CN203892140U - Four-star type oil-free lubrication air compressor - Google Patents

Four-star type oil-free lubrication air compressor Download PDF

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Publication number
CN203892140U
CN203892140U CN201420307145.1U CN201420307145U CN203892140U CN 203892140 U CN203892140 U CN 203892140U CN 201420307145 U CN201420307145 U CN 201420307145U CN 203892140 U CN203892140 U CN 203892140U
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China
Prior art keywords
air compressor
pipeline
stage
level
cylinder
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Expired - Lifetime
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CN201420307145.1U
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Chinese (zh)
Inventor
陆鹏程
江文革
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ANHUI HUAJING MACHINERY Co Ltd
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ANHUI HUAJING MACHINERY Co Ltd
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Abstract

The utility model provides a four-star type oil-free lubrication air compressor which can achieve oil-free air compression and is stable in stress, little in work vibration, low in work noise and good in overall cooling effect. The air compressor comprises a machine head, a motor and a public bottom frame. The machine head is fixed to the public bottom frame, the machine head is provided with three first-stage cylinders and one second-stage cylinder, a crankshaft of a single-crank structure is disposed in the crankshaft box, the crankshaft is provided with four connection rods, the three first-stage cylinders and one second-stage cylinder are distributed in a circle in a right-angle mode, and the included angle between the axis of each cylinder and a horizontal line is 45 degrees. The air compressor further comprises a first-stage buffer volume tank, a second-stage buffer volume tank and an aluminum plate cooler arranged on one side of a square cover, the three first-stage cylinders are connected with the first-stage buffer volume tank through pipelines, the first-stage buffer volume tank is connected with the aluminum plate cooler through a pipeline, the aluminum plate cooler is connected with the second-stage cylinder through a pipeline, and the second-stage cylinder is connected with the second-stage buffer volume tank via a one-way valve through a pipeline.

Description

Four stars type air compressor without lubricant
Technical field
The utility model relates to air compressor, is specifically related to a kind of air compressor without lubricant.
Background technique
Air compressor without lubricant is mainly used in the cleaner occasion of gas point such as food package, grain packaging, sorting, air compressor without lubricant structure is V, W type product in the market, its tangential force load of the product of said structure is inhomogeneous, machine stress is unstable, when work, vibration is large, air compressor power plant load variations is large simultaneously, thereby has reduced its working life.In addition, existing air compressor operating noise is larger, and cooling effect is not good.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of four stars type air compressor without lubricant, can realize the compression of gas oil-free, stability under loading, and operational vibration is little, and operating noise is low, complete machine good cooling results.
For solving the problems of the technologies described above, four stars type air compressor without lubricant of the present utility model, comprises head, motor, public underframe, base, the square case mating with base, and described public underframe is arranged on base, and both are welded as a whole; Head is fixed on public underframe, and described motor is arranged on the base of public underframe below; On described head, be provided with three cover one-level cylinders and a set of secondary cylinder, on described head, be also provided with crankcase, in described crankcase, be provided with bent axle, the power intake of bent axle is provided with main frame belt pulley, described bent axle is that single turns structure, is provided with four connecting rods that are connected with the piston of three cover one-level cylinders and a set of secondary cylinder respectively on it; Described three cover one-level cylinders and a set of secondary cylinder at right angles distributed in one week, the setting at 45 ° of cylinder-bore axis and horizontal line; The main shaft of described motor and main frame belt pulley are in transmission connection; Three described cover one-level cylinders are connected with secondary cylinder by pipeline respectively; Described secondary cylinder is connected with gas product output unit pipeline.
Adopt after technique scheme, its advantage applies exists:
Air compressor is by the parallel connection of three one-level cylinders, then connects with a secondary cylinder, and it is radial that profile is four stars, and crankcase appearance is octahedral structure, and belt rotates, and handpiece structure is reasonable in design, stability under loading.The second-order inertia power of its machine in theory can complete equilibrium, one order inertia power utilize add balancer weight mode also can complete equilibrium, machine reaches lower vibration severity requirement.Base, square case composition casing are integrated complete machine, and housing structure has reduced the impact of noise on working environment.
Preferably, also comprise one-level row surge volume tank, secondary row's knock out drum and be arranged on the aluminium sheet cooler of square case one side, three described cover one-level cylinders are arranged surge volume tank pipeline with one-level and are connected; One-level row surge volume tank is connected with aluminium sheet cooler pipeline; Aluminium sheet cooler is connected with secondary cylinder pipeline; Secondary cylinder is connected with secondary row knock out drum pipeline through one-way valve.
In technique scheme, this head has the identical one-level cylinder of three covers and a set of secondary cylinder.Secondary cylinder is placed in third quadrant, for pipe arrangement conveniently and for one-level is arranged the surge volume of trying one's best large needs is provided, on crankcase, be provided with one-level row surge volume tank, air is discharged through one-level compression, three tunnels converge to one-level row knock out drum separately, then enter from knock out drum that to be placed in the aluminium sheet cooler of chamber door one side cooling.Near secondary cylinder cap suction port cooled gas enters again enters secondary row knock out drum through one-way valve after secondary cylinder compression.Its advantage applies exists: arrange surge volume tank, secondary row knock out drum by one-level and improved the surge volume of machine, and then improved the throughput of equipment, reduced gas phenomenon in pipeline; In gas recycle process, carry out coolingly, improved gas product quality, ensured equipment working stability.
Preferably, on described square case, be provided with the silencer of sound-absorbing sponge material.Be conducive to reduce equipment operating noise.
Preferably, on the main shaft of described motor, be provided with motor pulley, described main frame belt pulley, motor pulley is distribution up and down, is provided with belt between the two; On described base, be provided with multiple long waist shapeds hole, described motor is fixed on base by long waist shaped hole.Long waist shaped hole makes motor position adjustable, has adjustment surplus while being beneficial to belt pine.
Preferably, the side in described square case is provided with on the end face of axial-flow blower, motor pulley to side lower part and is provided with fan; Described aluminium sheet cooler is arranged on fan front.Technique scheme has further improved square case internal heat dissipating effect.
Brief description of the drawings
Fig. 1 is the structural representation of four stars type air compressor without lubricant of the present utility model;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the plan view of the base portion of four stars type air compressor without lubricant of the present utility model;
Fig. 4 is the partial enlarged drawing of the single one-level cylinder of four stars type air compressor without lubricant of the present utility model;
Fig. 5 is the schematic appearance of four stars type air compressor without lubricant of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Visible as shown in Figure 1, Figure 2, the four stars type air compressor without lubricant of the present embodiment, comprises head 1, motor 2, public underframe 3, base 4, the square case 40 mating with base 4, and described public underframe 3 is arranged on base 4, and both are welded as a whole; Head 1 is fixed on public underframe 3, and described motor 2 is arranged on the base 4 of public underframe 3 belows; On described head 1, be provided with three cover one-level cylinder 6 and a set of secondary cylinders 7, on described head 1, be also provided with crankcase 25, in described crankcase 25, be provided with bent axle 11, the power intake of bent axle 11 is provided with main frame belt pulley 19, described bent axle 11, for single turns structure, is provided with four connecting rods 12 that are connected with the piston of three cover one-level cylinders 6 and a set of secondary cylinder 7 respectively on it; Described three cover one-level cylinders 6 and a set of secondary cylinder 7 at right angles distributed in one week, the setting at 45 ° of cylinder-bore axis and horizontal line; Main shaft and the main frame belt pulley 19 of described motor 2 are in transmission connection; Three described cover one-level cylinders 6 are connected with secondary cylinder 7 by pipeline respectively; Described secondary cylinder 7 is connected with gas product output unit pipeline.
The present embodiment installation step: bent axle 11 utilizes ball bearing 13 to adopt be fixed on crankcase 25 at 2, on bent axle 11 in four connecting rods 12, first connnecting rod big end ball bearing puts in from snakelike bent axle power intake, be pressed into by oil hydraulic press successively, again two main bearings are pressed into place, for considering crankcase 25 inner space sizes and structural requirement of strength and producing the Economy of cost of material in enormous quantities, in four connecting rods 12 of this example, have two to adopt subdivision structure, two monolithic linkage 12 should first be pressed on bent axle 11 with connnecting rod big end ball bearing.At this moment the crankshaft group having assembled is tucked in crankcase 25 by crankcase macropore, carries out bent axle two main shaft socket end positioning and fastenings by bearing support, two subdivision connnecting rod big ends are implemented to tighten up in crankcase.When practical set, also need stay appropriate gap in bent axle one end so that while normally turning round work because of the generation axial elongation that is heated.
As seen from Figure 1, this routine circuit design is very characteristic, and four cylinders are imported and exported and all followed a principle---from down to up.Be placed in crankcase 25 one-level row knock out drum 8 above also nearer with the mouth of pipe being connected, follow saving, optimization, principle attractive in appearance.Because of the restriction of view breadth, this routine copper tube 10 only illustrates roughly trend with thin dashed line.
On this head 1, there are the identical one-level cylinder 6 of three covers and piston element and a set of secondary cylinder 7 and piston element.Secondary cylinder 7 is placed in illustrated third quadrant, surge volume convenient for pipe arrangement and that the one-level amount of draining is large needs, on crankcase 25, be provided with one-level row surge volume tank 8, on one-level cylinder 6, be provided with air strain and sliencer 14, first air enters one-level cylinder cap 15 by air strain and sliencer 14, discharge through one-level compression, three tunnels converge to one-level row surge volume tank 8 separately, then go out and enter that to be placed in the aluminium sheet cooler 9 of chamber door one side cooling from one-level row surge volume tank 8.On secondary cylinder 7, be provided with secondary cylinder cap 16, near secondary cylinder cap 16 suction ports cooled gas enters again enter secondary row knock out drum 18 through one-way valve 17 after secondary cylinder 7 compressions.
Visible as shown in Figure 1, Figure 2, in the utility model, one-level cylinder 6 is arranged the pipeline attachment portions such as surge volume tank 8 and aluminium sheet cooler 9 with one-level row surge volume tank 8, one-level, all adopts copper tube 10 to connect.
A complete set of unit is placed in square case 40 the insides, square case 40 1 sides are provided with axial-flow blower 21, and with cooling cylinder and acceleration casing inner air convection, axial-flow blower 21 is air draught types, it sucks outer case ozone, with larger blast, head is directly blown; A square opening is opened in position on the lower side, another side, near it, there is motor pulley 20, the fan 22 of plastic material is installed at its end face, and aluminium sheet cooler 9 is contained in the front of this fan, when machine operation, this fan 22 blows out interior aluminium sheet cooler 9 heat outside square case 40.Each link of a complete set of unit has been followed the second law of thermodynamics.Due to the introducing of axial-flow blower 21, it can allow the gas of gas cooling higher temperature of higher temperature, has so just obtained squelch type air compressor engineering feasibility.
As shown in Figure 4, in the one-level cylinder 6 of the machine, secondary cylinder 7, all use the piston ring 23 of filled polytetrafluoroethylene material to carry out the Oilless Lubrication Seal in Petroleum Gas of cylinder and piston, realize oil-free compression.A complete set of machine adopts star triangle start, and axial-flow blower 21 moves the impact that is not subject to amount regulating system.Just operation continuously after air compressor is connected with the mains starting up, until shut down piston ring 23 operational failures can effectively avoid temperature higher like this time.
On the main shaft of described motor 2, be provided with motor pulley 20, described main frame belt pulley 19, motor pulley 20 is distribution up and down, is provided with belt 5 between the two.
As shown in Figure 3, be provided with multiple long waist shapeds hole 30 on described base 4, described motor 2 is fixed on base 4 by long waist shaped hole 30.Long waist shaped hole makes motor position adjustable, has adjustment surplus while being beneficial to belt pine.
On described square case 40, be provided with the silencer 24 of sound-absorbing sponge material, can further reduce noise.
As shown in Figure 5, the base 4 of the machine mates with square case 40, and a complete set of unit is placed in square case 40 the insides, can effectively reduce ambient noise.
The technological scheme that adopts the utility model patent, overall structure exquisiteness is careful, heat, the high and low noise of dynamic efficiency, ultralow vibration.Be specially adapted to the air compressor without lubricant that discharge capacity is 3 ~ 4 cubic meters per minute.

Claims (5)

1. a four stars type air compressor without lubricant, comprise head (1), motor (2), public underframe (3), base (4), the square case (40) mating with base (4), it is characterized in that: it is upper that described public underframe (3) is arranged on base (4), and both are welded as a whole; It is upper that head (1) is fixed on public underframe (3), and described motor (2) is arranged on the base (4) of public underframe (3) below; On described head (1), be provided with three cover one-level cylinders (6) and a set of secondary cylinder (7), on described head (1), be also provided with crankcase (25), in described crankcase (25), be provided with bent axle (11), the power intake of bent axle (11) is provided with main frame belt pulley (19), described bent axle (11), for single turns structure, is provided with four connecting rods (12) that are connected with the piston of three cover one-level cylinders (6) and a set of secondary cylinder (7) respectively on it; Described three cover one-level cylinders (6) and a set of secondary cylinder (7) at right angles distributed in one week, the setting at 45 ° of cylinder-bore axis and horizontal line; Main shaft and the main frame belt pulley (19) of described motor (2) are in transmission connection; Three described cover one-level cylinders (6) are connected with secondary cylinder (7) by pipeline respectively; Described secondary cylinder (7) is connected with gas product output unit pipeline.
2. four stars type air compressor without lubricant as claimed in claim 1, it is characterized in that: also comprise one-level row surge volume tank (8), secondary row's knock out drum (18) and be arranged on the aluminium sheet cooler (9) of square case (40) one sides, three described cover one-level cylinders (6) are arranged surge volume tank (8) pipeline with one-level and are connected; One-level row's surge volume tank (8) is connected with aluminium sheet cooler (9) pipeline; Aluminium sheet cooler (9) is connected with secondary cylinder (7) pipeline; Secondary cylinder (7) is connected with secondary row knock out drum (18) pipeline through one-way valve (17).
3. four stars type air compressor without lubricant as claimed in claim 1 or 2, is characterized in that: the silencer (24) that is provided with sound-absorbing sponge material on described square case (40).
4. four stars type air compressor without lubricant as claimed in claim 1 or 2, it is characterized in that: on the main shaft of described motor (2), be provided with motor pulley (20), described main frame belt pulley (19), motor pulley (20) is distribution up and down, is provided with belt (5) between the two; On described base (4), be provided with multiple long waist shapeds hole (30), described motor (2) is fixed on base (4) by long waist shaped hole (30).
5. four stars type air compressor without lubricant as claimed in claim 4, is characterized in that: the side in described square case (40) is provided with on the end face of axial-flow blower (21), motor pulley (20) to side lower part and is provided with fan (22); Described aluminium sheet cooler (9) is arranged on fan (22) front.
CN201420307145.1U 2014-06-11 2014-06-11 Four-star type oil-free lubrication air compressor Expired - Lifetime CN203892140U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420307145.1U CN203892140U (en) 2014-06-11 2014-06-11 Four-star type oil-free lubrication air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420307145.1U CN203892140U (en) 2014-06-11 2014-06-11 Four-star type oil-free lubrication air compressor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104047828A (en) * 2014-06-11 2014-09-17 安徽华晶机械股份有限公司 Four-star type full oil-free lubrication air compressor
CN104696196A (en) * 2015-02-27 2015-06-10 安徽寅时压缩机制造有限公司 Oil-free constant-temperature compressor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104047828A (en) * 2014-06-11 2014-09-17 安徽华晶机械股份有限公司 Four-star type full oil-free lubrication air compressor
CN104696196A (en) * 2015-02-27 2015-06-10 安徽寅时压缩机制造有限公司 Oil-free constant-temperature compressor

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