CN212202463U

CN212202463U - Oil-free vortex air compressor for industrial field

Info

Publication number: CN212202463U
Application number: CN202020124009.4U
Authority: CN
Inventors: 王春
Original assignee: Jiangxi Fusi New Energy Technology Co ltd
Current assignee: Jiangxi Fusi New Energy Technology Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-12-22
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses an oilless vortex air compressor used in industrial field, which comprises a motor component and a pump head component, wherein the motor component comprises a motor shell, a motor stator, a motor rotor, a main shaft and the like, the motor stator is arranged in the motor shell, the motor rotor is arranged in the motor stator, the main shaft is inserted in the middle of the motor rotor, the main shaft extends out of the motor component after being connected with the motor shell in a rolling way through a bearing, the pump head component comprises a frame, a movable disk and a fixed disk, the frame is fixedly connected with the motor shell, one end of the frame far away from the motor shell is fixedly connected with the fixed disk, the movable disk is arranged between the frame and the fixed disk, an eccentric shaft bearing is embedded in the movable disk and the fixed disk, the eccentric shaft bearing is connected with an eccentric shaft in a rolling way, the utility model has no oil contact, the noise is low, and the blank of the vortex machine in the industrial field is made up.

Description

Oil-free vortex air compressor for industrial field

Technical Field

The utility model relates to an air compressor machine technical field especially relates to an oilless vortex formula air compressor for industrial field.

Background

The scroll compressor is a compressor with compressible volume composed of a fixed involute scroll and an involute scroll which performs eccentric rotary translation. The scroll compressor is formed by mutually meshing a movable scroll and a fixed scroll which have two double-function equation molded lines.

In the working process of air suction, compression and exhaust, the static disc is fixed on the frame, and the moving disc is driven by the eccentric shaft and restricted by the anti-rotation mechanism to rotate around the center of the base circle of the static disc in a plane with a small radius. The air is sucked into the periphery of the static disc through the air filter element, and along with the rotation of the eccentric shaft, the air is gradually compressed in a plurality of crescent compression cavities formed by the engagement of the static disc and then is continuously discharged from an axial hole of the central part of the static disc.

The prior art scroll air compressor has the following defects: (1) the moving disc with a single-sided single spiral structure has low air displacement and low dustproof grade; (2) the structure is complex, and the disassembly process is complicated; (3) the vortex machine cannot be applied to the industrial field with large displacement, and the industrial field is blank.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an there is not oily vortex formula air compressor for industrial field to solve the problem that provides in the background art.

In order to realize the purpose, the technical scheme of the utility model is that: an oilless vortex air compressor for industrial field, includes motor element and pump head part, the motor element comprises motor housing, cooling jacket, motor stator, motor rotor, main shaft and motor rear cover, be provided with cooling water inlet interface and cooling water outlet interface on the motor housing, fixed mounting has the cooling jacket in the motor housing, fixed mounting has motor stator in the cooling jacket, be provided with motor rotor in the motor stator, it is equipped with the main shaft to insert in the middle of the motor rotor, main shaft one end is through bearing and motor rear cover roll connection, stretches out motor element behind the main shaft other end through bearing and motor housing roll connection, and the one end that the main shaft is close to motor rear cover installs vice balancing weight, and the main balancing weight is installed to the one end that the motor rear cover was kept away from to the main shaft, cover behind the motor and be provided with the bearing cap, bearing cap and bearing are corresponding, the pump head part comprises frame, driving disk, fixed disk, frame and motor housing fixed connection, be provided with the air inlet in the frame, motor housing's one end fixedly connected with fixed disk is kept away from to the frame, be provided with the driving disk between frame and the fixed disk, driving disk and fixed disk intermeshing, the main bearing steel bushing is installed at the driving disk center, the outer lane of the inner wall interference fit main bearing of main bearing steel bushing, the end of the inner circle interference fit main shaft of main bearing, it has eccentric shaft bearing to inlay in driving disk and the fixed disk, roll connection has the eccentric shaft in the middle of the eccentric shaft bearing, the one end that driving disk and fixed disk were kept away from to the eccentric shaft bearing is provided with the eccentric shaft bearing lid, the eccentric shaft bearing lid passes through bolt fixed connection on driving disk and fixed disk, the one end that the driving disk.

In this embodiment: the motor rear cover lower extreme fixedly connected with panel beating mount, the panel beating mount passes through the bolt and can dismantle with motor housing and be connected.

In this embodiment: the motor rear cover is characterized in that an outgoing line pressing plate is arranged at the upper end of the motor rear cover, and outgoing line sealant is filled between the outgoing line pressing plate and the motor rear cover.

In this embodiment: the number of the eccentric shafts is four, and the eccentric shafts are uniformly distributed along the circumferential direction of the movable disc and the fixed disc.

Compared with the prior art, the beneficial effects of the utility model are that: (1) the movable disc and the fixed disc are connected by adopting a connecting structure (the conventional scroll compressor is that the movable disc is connected with the rack), so that the modularization of the movable disc and the fixed disc is realized, the requirement on processing precision is lowered, and the installation and the disassembly are simplified;

(2) meanwhile, a water cooling structure and a motor integrated structure are adopted, so that the working efficiency of the eccentric shaft is greatly improved, the eccentric shaft compression device is suitable for being used as a secondary compression host in the industrial field, and meanwhile, the main shaft and the balance block are independently separated, so that the eccentric distance can be automatically corrected, and the requirement on the processing precision of the eccentric shaft is greatly reduced;

(3) the scroll compressor can be independently disassembled and assembled by a single person, a secondary compression main machine is used for developing a large-discharge compressor in the industrial field, the blank of the scroll machine in the industrial field is made up, the compression process of the scroll compressor is free of oil contact, the oil content of compressed gas is zero, the cleanliness is 100%, the fault is low, and the compression efficiency is high;

(4) the scroll compressor adopts a fully-closed water cooling structure, and comprises a motor for cooling, wherein the protection grade reaches P68;

(5) the motor drives the main shaft rotatory, and the main shaft is rotatory to drive driving disk reciprocating motion, and driving disk reciprocating motion drives eccentric staff's motion, and the eccentric staff other end is connected on the price fixing, and the driving disk keeps the planar motion of minor radius with the price fixing under certain phase place, and the driving disk forms a plurality ofly to crescent confined compression chamber with price fixing intermeshing, and the gas that inhales the working chamber is compressed gradually by the crescent compression chamber that forms afterwards, then discharges from price fixing central part gas vent, compares traditional no oily tooth-like rotor compressor, the utility model discloses in the compression process, driving disk and price fixing are non-contact operation, and no metal friction during the operation, the noise is little, and it is less to adopt spare part simultaneously, realizes breathing in succession and exhaust, and equipment reliability is high, and the volume is littleer, and the integrated.

Drawings

FIG. 1 is an exploded view of the motor unit of the present invention

FIG. 2 is an exploded view of the pump head components of the present invention

Description of the drawings: the motor comprises a motor shell (1), a cooling jacket (2), a motor stator (3), a motor rotor (4), a main shaft (5), a main balancing weight (6), an auxiliary balancing weight (7), a bearing (8), a motor rear cover (9), a bearing cover (10), a metal plate fixing frame (11), a leading-out wire pressing plate (12), a leading-out wire sealing glue (13), a cooling water inlet connector (14), a cooling water outlet connector (15), a rack (16), an air inlet (17), a movable disc (18), a fixed disc (19), a main bearing cylinder sleeve (20), a main bearing (21), an eccentric shaft (22), an eccentric shaft bearing (23), an eccentric shaft bearing cover (24) and a water cover (25).

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings 1-2.

An oil-free vortex air compressor used in the industrial field comprises a motor part and a pump head part, wherein the motor part comprises a motor shell 1, a cooling jacket 2, a motor stator 3, a motor rotor 4, a spindle 5 and a motor rear cover 9, the motor shell 1 is provided with a cooling water inlet interface 14 and a cooling water outlet interface 15, the cooling jacket 2 is fixedly installed in the motor shell 1, the motor stator 3 is fixedly installed in the cooling jacket 2, the motor rotor 4 is arranged in the motor stator 3, the spindle 5 is inserted in the middle of the motor rotor 4, and after the motor is electrified, the motor rotor 4 is operated when a magnetic field generated by the motor stator 3 and a magnetic field generated by the motor rotor 4 interact with each other; the motor rotor 4 drives the main shaft 5 to rotate, one end of the main shaft 5 is in rolling connection with a motor rear cover 9 through a bearing 8, the other end of the main shaft 5 is in rolling connection with a motor shell 1 through the bearing 8 and then extends out of a motor part, one end, close to the motor rear cover 9, of the main shaft 5 is provided with an auxiliary balancing weight 7, one end, far away from the motor rear cover 9, of the main shaft 5 is provided with a main balancing weight 6, the motor rear cover 9 is provided with a bearing cover 10, the bearing cover 10 corresponds to the bearing 8, the pump head part is composed of a rack 16, a movable disk 18 and a fixed disk 19, the rack 16 is fixedly connected with the motor shell 1, the rack 16 is provided with an air inlet 17, one end, far away from the motor shell 1, of the rack 16 is fixedly connected with the fixed disk 19, a movable disk 18 is arranged between the rack 16 and the fixed, the inner wall of the main bearing steel sleeve 20 is in interference fit with the outer ring of the main bearing 21, the inner ring of the main bearing 21 is in interference fit with the tail end of the main shaft 5, an eccentric shaft bearing 23 is embedded in the movable disc 18 and the fixed disc 19, an eccentric shaft 22 is connected in the middle of the eccentric shaft bearing 23 in a rolling manner, an eccentric shaft bearing cover 24 is arranged at one end, away from the movable disc 18 and the fixed disc 19, of the eccentric shaft bearing 23, the eccentric shaft bearing cover 24 is fixedly connected to the movable disc 18 and the fixed disc 19 through bolts, the eccentric shaft bearing cover 24 can prevent the eccentric shaft bearing 23 from being thrown out, a water cover 25 is arranged at one end, away from the movable disc 18, of the fixed disc 19, after the main shaft 5 rotates, the movable disc 18 is driven to reciprocate, the eccentric shaft 22 is driven to move by the reciprocating movement of the movable disc, the movable disk 18 and the fixed disk 19 are mutually meshed to form a plurality of pairs of crescent closed compression cavities, and the gas sucked into the working cavity is gradually compressed by the crescent formed compression cavities and then discharged from the exhaust port at the central part of the fixed disk 19.

In this embodiment: lid 9 lower extreme fixedly connected with panel beating mount 11 behind the motor, panel beating mount 11 passes through the bolt and can dismantle with motor housing 1 and be connected.

In this embodiment: the upper end of the motor rear cover 9 is provided with an outgoing line pressing plate 12, outgoing line sealant is filled between the outgoing line pressing plate 12 and the motor rear cover 9, and the outgoing line sealant can prevent water from permeating into a motor component to cause short circuit of electrified equipment inside the motor component.

In this embodiment: the number of the eccentric shafts 22 is four, and the eccentric shafts are uniformly distributed along the circumferential direction of the movable disc 18 and the fixed disc 19, so that the arrangement can avoid that the movable disc 18 and the fixed disc 19 cannot keep small-radius plane motion at a certain phase position due to the damage of one eccentric shaft 22, and the running stability of the device is improved.

The utility model discloses a theory of operation is: after the motor part is electrified, when a magnetic field generated by the motor stator 3 and a magnetic field generated by the motor rotor 4 interact, the motor rotor 4 is operated; motor rotor 4 drives main shaft 5 rotatoryly, main shaft 5 drives driving disk 18 reciprocating motion, driving disk 18 reciprocating motion drives eccentric shaft 22 motion, the eccentric shaft 22 other end is connected on fixed disk 19, make driving disk 18 and fixed disk 19 keep small radial planar motion under certain phase place, driving disk 18 forms a plurality ofly to crescent confined compression chamber with fixed disk 19 intermeshing, the gas that inhales the working chamber is compressed gradually by the compression chamber of the crescent who forms afterwards, then discharge from fixed disk 19 central point gas vent, the utility model discloses in the compression process, driving disk 18 and fixed disk 19 are non-contact operation, no metal friction during operation, the noise is little, adopt spare part less simultaneously, realize breathing in succession and exhaust, equipment reliability is high, and the volume is littleer, and the integrated level is higher.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An oilless scroll air compressor for industrial use, characterized in that: comprises a motor component and a pump head component, wherein the motor component comprises a motor shell (1), a cooling jacket (2), a motor stator (3), a motor rotor (4), a main shaft (5) and a motor rear cover (9), the motor shell (1) is provided with a cooling water inlet interface (14) and a cooling water outlet interface (15), the motor shell (1) is internally and fixedly provided with the cooling jacket (2), the cooling jacket (2) is internally and fixedly provided with the motor stator (3), the motor rotor (4) is arranged in the motor stator (3), the main shaft (5) is inserted in the middle of the motor rotor (4), one end of the main shaft (5) is in rolling connection with the motor rear cover (9) through a bearing (8), the other end of the main shaft (5) stretches out the motor component after being in rolling connection with the motor shell (1) through the bearing (8), and one end of the main shaft (5) close to the motor rear cover (9) is provided with an auxiliary balancing weight (7, the motor back cover (9) is kept away from one end of the main shaft (5) and a main balancing weight (6) is installed, a bearing cover (10) is arranged on the motor back cover (9), the bearing cover (10) corresponds to a bearing (8), a pump head component consists of a rack (16), a movable disc (18) and a fixed disc (19), the rack (16) is fixedly connected with a motor shell (1), an air inlet (17) is formed in the rack (16), one end, far away from the motor shell (1), of the rack (16) is fixedly connected with the fixed disc (19), the movable disc (18) is arranged between the rack (16) and the fixed disc (19), the movable disc (18) is mutually meshed with the fixed disc (19), a main bearing steel sleeve (20) is installed at the center of the movable disc (18), the inner wall of the main bearing steel sleeve (20) is in interference fit with the outer ring of the main bearing (21), and the inner ring of the main bearing (21) is in interference, an eccentric shaft bearing (23) is embedded in the movable disc (18) and the fixed disc (19), an eccentric shaft (22) is connected between the eccentric shaft bearing (23) in a rolling mode, an eccentric shaft bearing cover (24) is arranged at one end, far away from the movable disc (18) and the fixed disc (19), of the eccentric shaft bearing (23), the eccentric shaft bearing cover (24) is fixedly connected to the movable disc (18) and the fixed disc (19) through bolts, and a water cover (25) is arranged at one end, far away from the movable disc (18), of the fixed disc (19).

2. An oil-free scroll air compressor for industrial use according to claim 1, wherein: lid (9) lower extreme fixedly connected with panel beating mount (11) behind the motor, panel beating mount (11) are connected with motor housing (1) can be dismantled through the bolt.

3. An oil-free scroll air compressor for industrial use according to claim 1, wherein: and an outgoing line pressing plate (12) is arranged at the upper end of the motor rear cover (9), and outgoing line sealant is filled between the outgoing line pressing plate (12) and the motor rear cover (9).

4. An oil-free scroll air compressor for industrial use according to claim 1, wherein: the number of the eccentric shafts (22) is four, and the eccentric shafts are uniformly distributed along the circumferential direction of the movable disc (18) and the fixed disc (19).