CN111136431A - Production optimization method for centrifugal fan - Google Patents
Production optimization method for centrifugal fan Download PDFInfo
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- CN111136431A CN111136431A CN202010061019.2A CN202010061019A CN111136431A CN 111136431 A CN111136431 A CN 111136431A CN 202010061019 A CN202010061019 A CN 202010061019A CN 111136431 A CN111136431 A CN 111136431A
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- feeding device
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005457 optimization Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 239000002893 slag Substances 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000000748 compression moulding Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000009987 spinning Methods 0.000 claims abstract description 4
- 230000003068 static effect Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000010981 drying operation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims 2
- 230000007306 turnover Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
Abstract
The invention discloses a production optimization method of a centrifugal fan, which comprises the following steps of manufacturing an outer barrel of the fan: processing the outer cylinder of the air outlet machine by utilizing an ion cutting machine, a three-core roller machine, a numerical control electric welding machine and an automatic spinning machine; processing a fan impeller: processing the blades and hub lamp parts by adopting a compression molding process, carrying out slag removal treatment on the fan blades by utilizing a centrifugal fan impeller slag removal device, and then manually removing rough edges of the blades; impeller cleaning: cleaning the impeller by utilizing impeller cleaning equipment, and then drying the impeller by utilizing a dryer; detecting an impeller: before detection, the impeller is firstly dismantled, a static balance test impeller is used for detection and adjustment, then a dynamic balancing machine is used for balance test and adjustment of the impeller, and the impeller which cannot be adjusted is scrapped; and (4) inspecting a finished product: before warehousing, appearance detection, operation detection, vibration detection and noise detection are carried out on the impeller.
Description
Technical Field
The invention belongs to the field of fans, and particularly relates to a production optimization method of a centrifugal fan.
Background
The centrifugal fan is a machine which relies on input mechanical energy to improve gas pressure and discharge gas, and is a driven fluid machine, ventilation and air induction of a boiler and an industrial furnace.
Disclosure of Invention
The invention provides a production optimization method of a centrifugal fan, which can fully clean an impeller of the centrifugal fan, in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a production optimization method for a centrifugal fan comprises the following steps,
a. manufacturing a fan outer cylinder: processing the outer cylinder of the air outlet machine by utilizing an ion cutting machine, a three-core roller machine, a numerical control electric welding machine and an automatic spinning machine;
b. processing a fan impeller: processing the blades and hub lamp parts by adopting a compression molding process, carrying out slag removal treatment on the fan blades by utilizing a centrifugal fan impeller slag removal device, and then manually removing rough edges of the blades;
c. impeller cleaning: cleaning the impeller by utilizing impeller cleaning equipment, and then drying the impeller by utilizing a dryer;
d. detecting an impeller: before detection, the impeller is firstly dismantled, a static balance test impeller is used for detection and adjustment, then a dynamic balancing machine is used for balance test and adjustment of the impeller, and the impeller which cannot be adjusted is scrapped;
f. and (4) inspecting a finished product: before warehousing, carrying out appearance detection, operation detection, vibration detection and noise detection on the impeller;
the centrifugal fan impeller cleaning equipment in the step b comprises a material conveying device, a shell fixedly arranged on the upper end face of a base, a water storage space arranged on the upper end face of the shell, an ultrasonic oscillator fixedly arranged on the lower end wall of the water storage space, a motor fixedly arranged in the lower end wall of the water storage space, a rotating plate fixedly arranged at the output end of the motor, two round blocks fixedly arranged on the left side and the right side of the upper end of the rotating plate respectively, round holes arranged on the two round blocks, two supporting limit grooves respectively arranged on the upper sides of the side walls of the round holes, a material conveying device, a feeding device arranged on the upper side of the round block 13 on the left side and a feeding device arranged on the upper side of the round block 13; the feeding device comprises a support column, a support space which is arranged in the support column and is communicated up and down, a guide assembly which can be used for assisting the centering of an eccentric impeller, a plurality of groups of telescopic assemblies which can move inside and outside along the height direction and are respectively arranged on the support column and can move inside and outside, a first transmission assembly which drives the plurality of groups of telescopic assemblies to move inside and outside, a first clamping assembly and a second clamping assembly which are respectively used for clamping the first transmission assembly.
The impeller is cleaned by centrifugal fan cleaning equipment, the impeller is sequentially placed on a positioning block, one surface with blades faces upwards, a conveyor belt is started to drive the impeller to move forwards, when the impeller is moved to the lower part, the impeller is started to drive the impeller to move downwards, when the impeller reaches two sides of the impeller, a second fixed hydraulic cylinder is started to drive two support plates to be close together so as to lift the impeller, a motor is matched for starting, the impeller is conveyed to the upper side of a feeding device, the impeller can be centered through a guide assembly, the impeller penetrating into the feeding device moves downwards to drive a first transmission assembly to start, the first transmission assembly can drive a telescopic assembly to start, the impellers on the feeding device are all moved downwards for a certain distance, an ultrasonic oscillator can be started to clean the impeller entering water, after cleaning is finished, the motor is started to drive two round blocks to rotate by one hundred eighty degrees, when the feeding device moves downwards, the left side of the impeller positioned at the uppermost side of the feeding device is blocked and inclines rightwards, so that the impeller penetrates through the left side of the feeding device and absorbs water on the surface of the impeller through the first sponge and the second sponge.
The operation of manual work unhairing limit is for placing impeller blade on the main shaft of bearing box, then the manual work utilizes the unhairing limit machine to carry out the unhairing limit to the blade on the impeller one by one.
The operation of the dynamic balance test is to drive the impeller to rotate by using the motor, and then welding a balancing weight on the side surface of the blade at the position where the unbalance is detected; and the preset qualified requirement is met, and the workpiece balance test, correction and processing are finished.
The impeller drying operation is that the cleaned impeller is placed in a dryer, and the impeller can be dried after 20 min.
The guide assembly comprises a positioning round block, two convex blocks fixedly arranged on the upper end surface of the positioning round block, two first guide pieces respectively arranged on the two convex blocks, and two second guide pieces arranged on the left side and the right side of the upper end surface of the positioning round block;
the step of centering the impeller by using the guide assembly is as follows, when the impeller moves downwards, the inner wall of the assembly hole of the impeller is attached to the outer surface of the positioning round block through the two first guide parts and the two second guide parts.
The first guide pieces are respectively fixedly arranged on two telescopic pipes on the upper end surface of the protruding block, telescopic rods can be arranged in the two telescopic pipes in a vertically moving mode, telescopic springs are fixedly arranged between the bottom of each telescopic rod and the lower end of each telescopic pipe, pressing blocks are fixedly arranged on the upper ends of the telescopic rods, fixing plates are fixedly arranged on the rear sides of the pressing blocks, rotating shafts hinged to the upper ends of the fixing plates, first rotating plates fixedly arranged on the rotating shafts, and second rotating plates fixedly arranged on the rotating shafts, the two first guide pieces are identical in structure but opposite in front-back direction, and the two second guide pieces are identical in structure with the first guide pieces but opposite in left-right direction;
the step of centering the front and back directions of the impeller moving downwards by the first guide part is as follows, the impeller moves downwards to press the pressing block, the pressing block moves downwards to drive the second rotating plate to rotate, and the second rotating plate drives the first rotating plate to rotate to push the impeller to shift in the front and back directions.
In summary, the invention has the following advantages: the method is simple to use, and the centrifugal fan impellers can be cleaned completely without contacting with each other.
Drawings
Fig. 1 is a perspective view of an impeller cleaning apparatus.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is an enlarged view of fig. 1 at B.
Fig. 4 is an enlarged view at C in fig. 1.
Fig. 5 is a top view of the impeller cleaning apparatus.
Fig. 6 is a cross-sectional view taken along line D-D of fig. 5.
Fig. 7 is an enlarged view at E in fig. 6.
Fig. 8 is an enlarged view of fig. 6 at F.
Fig. 9 is an enlarged view at G in fig. 6.
Fig. 10 is a sectional perspective view taken along H-H in fig. 5.
Fig. 11 is a cross-sectional perspective view taken along line I-I in fig. 5.
Fig. 12 is an enlarged view at J in fig. 11.
Fig. 13 is a structural view of an impeller to be processed.
Detailed Description
In order to achieve the purpose, the invention adopts the following technical scheme: a production optimization method for a centrifugal fan comprises the following steps,
a. manufacturing a fan outer cylinder: processing the outer cylinder of the air outlet machine by utilizing an ion cutting machine, a three-core roller machine, a numerical control electric welding machine and an automatic spinning machine;
b. processing a fan impeller: processing the blades and hub lamp parts by adopting a compression molding process, carrying out slag removal treatment on the fan blades by utilizing a centrifugal fan impeller slag removal device, and then manually removing rough edges of the blades;
c. impeller cleaning: cleaning the impeller by utilizing impeller cleaning equipment, and then drying the impeller by utilizing a dryer;
d. detecting an impeller: before detection, the impeller is firstly dismantled, a static balance test impeller is used for detection and adjustment, then a dynamic balancing machine is used for balance test and adjustment of the impeller, and the impeller which cannot be adjusted is scrapped;
f. and (4) inspecting a finished product: before warehousing, appearance detection, operation detection, vibration detection and noise detection are carried out on the impeller.
The operation of manual work unhairing limit is for placing impeller blade on the main shaft of bearing box, then the manual work utilizes the unhairing limit machine to carry out the unhairing limit to the blade on the impeller one by one.
The operation of the dynamic balance test is to drive the impeller to rotate by using the motor, and then welding a balancing weight on the side surface of the blade at the position where the unbalance is detected; and the preset qualified requirement is met, and the workpiece balance test, correction and processing are finished.
The impeller drying operation is that the cleaned impeller is placed in a dryer, and the impeller can be dried after 20 min.
As shown in fig. 4-13, the centrifugal fan impeller cleaning apparatus in step b includes a material conveying device, a housing 11 fixedly disposed on the upper end surface of the base 1, a water storage space disposed on the upper end surface of the housing 11, an ultrasonic oscillator fixedly disposed on the lower end wall of the water storage space, a motor fixedly disposed in the lower end wall of the water storage space, a rotating plate 12 fixedly disposed at the output end of the motor, two circular blocks 13 fixedly disposed on the left and right sides of the upper end of the rotating plate 12, circular holes disposed on the two circular blocks 13, two supporting and limiting grooves disposed on the upper sides of the side walls of the circular holes, a material conveying device, a material loading device disposed on the upper side of the circular block 13 on the left side, and a material feeding device disposed on the upper side of the circular.
The feeding device comprises a base 1, a conveyor belt 2 fixedly arranged on the upper end face of the base 1, a plurality of positioning blocks 3 fixedly arranged on the upper end of the conveyor belt 2 at the same intervals, a long rod 4 fixedly arranged on the front side of the conveyor belt 2, a matched motor fixedly arranged on the upper end face of the long rod 4, a support plate 5 fixedly arranged on the output end of the matched motor, a first fixed hydraulic cylinder 6 fixedly arranged on the lower end face of the support plate 5, a first long plate 7 fixedly arranged on the output end of the fixed hydraulic cylinder, two second long plates 8 fixedly arranged on the left side and the right side of the lower end face of the first long plate 7 respectively, two second fixed hydraulic cylinders fixedly arranged on the opposite end faces of the two second long plates 8 respectively, and a supporting plate 10 fixedly arranged on the output end of the second fixed hydraulic cylinder.
The material conveying device comprises a positioning block 14 fixedly arranged on the right end face of the shell 11, a conveyor belt 15 fixedly arranged on the upper end face of the positioning block 14, two first rodless cylinders 16 fixedly arranged on the front and rear end faces of the conveyor belt 15 respectively, two first moving rods 17 fixedly arranged on the output ends of the two first rodless cylinders 16 respectively, two second mounting plates 18 fixedly arranged on the opposite end faces of the two first moving rods 17 respectively, a fixed shaft 19 fixedly arranged between the two second mounting plates 18, first sponge fixedly arranged on the outer surface of the fixed shaft 19, two second rodless cylinders 221 fixedly arranged on the front and rear sides of the upper end face of the shell 11, moving rods 222 fixedly arranged on the output ends of the two second rodless cylinders 221 respectively, a rotating shaft 319 rotatably arranged between the two second mounting plates 18, and second sponge fixedly arranged on the outer surface of the rotating shaft 319; the impeller is sequentially placed on the positioning block 3, one surface with blades faces upwards, the conveyor belt is started to drive the impeller to move forwards, when the impeller is moved to the position below the position 7, the position 6 is started to drive the position 7 to move downwards, when the impeller reaches the two sides of the impeller, the second fixed hydraulic cylinder is started to drive the two support plates 10 to be close to each other so as to lift the impeller, the impeller is matched with the motor to be started to convey the impeller to the upper side of the feeding device, when the feeding device moves downwards, the left side of the impeller is blocked by the support plate 222 and inclines rightwards so as to penetrate between the support plates 319 and the support plate 19, water on the surface of the impeller is absorbed through the first sponge and the second sponge, and therefore.
The feeding device comprises a supporting column 20, a supporting space which is arranged in the supporting column 20 and is through up and down, a guide assembly which can be used for assisting the centering of an eccentric impeller, a plurality of groups of telescopic assemblies which can move inside and outside and are arranged on the supporting column respectively along the height direction, a first transmission assembly which drives the plurality of groups of telescopic assemblies to move inside and outside, a first clamping assembly and a second clamping assembly 890 which are used for clamping the first transmission assembly respectively.
The guide assembly comprises a positioning round block 21, two protruding blocks 22 fixedly arranged on the upper end face of the positioning round block 21, two first guide pieces respectively arranged on the two protruding blocks 22, and two second guide pieces arranged on the left side and the right side of the upper end face of the positioning round block 21.
The first guide pieces are respectively fixedly arranged on two telescopic pipes 23 on the upper end surface of the convex block 22, a telescopic rod 24 which can be vertically moved in the two telescopic pipes 23, a telescopic spring which is fixedly arranged between the bottom of the telescopic rod 24 and the lower end of the telescopic pipe 23, a pressing block 25 which is fixedly arranged at the upper end of the telescopic rod 24, a fixed plate 26 which is fixedly arranged at the rear side of the pressing block 25, a rotating shaft which is hinged at the upper end of the fixed plate 26, a first rotating plate 28 which is fixedly arranged on the rotating shaft, and a second rotating plate 29 which is fixedly arranged on the rotating shaft 27, the two first guide pieces have the same structure but opposite front and back directions, and the two second guide pieces have the same structure as the first guide pieces but opposite front and back directions and are respectively; when the impeller penetrates into the impeller 21 and the front side and the back side of the impeller deviate from the front side of the impeller, the impeller extrudes downwards 25 to move downwards, the impeller 25 pushes downwards 29 to rotate, the front side and the back side of the assembly hole in the middle of the impeller are pushed to be attached to the front side and the back side of the impeller 21 by turning outwards 28, the front side and the back side of the impeller continue to move downwards after being attached to each other, when the left side and the right side of the impeller are attached to the left side and the right side of the impeller 21, the second guide piece is driven to enable the left side and the right side of the impeller to be attached to the left side and the right side of the impeller 21, and therefore the impeller can.
The telescopic assembly comprises a plurality of telescopic grooves arranged on the outer surface of the support column in the circumferential direction, a telescopic block 400 movably arranged in the telescopic grooves, and an extension spring fixedly arranged between the telescopic block and the inner wall of the support space.
The first transmission component comprises four matched trapezoidal grooves arranged on the upper end surface of the supporting rod in the circumferential direction, four pushing inclined blocks 701 movably arranged on the four matched trapezoidal grooves respectively, trapezoidal blocks fixedly arranged at the lower ends of the four pushing inclined blocks 701, movable springs fixedly arranged between the end surface of one end of each trapezoidal block close to the center of the supporting rod and the trapezoidal grooves, a lifting rod 401 arranged in the supporting space in a vertically movable mode, lifting springs fixedly arranged between the lifting rod 401 and the lower end wall of the supporting space, four stress inclined blocks 702 fixedly arranged on the outer surface of the lifting rod 401 in the circumferential direction, four connecting blocks 402 fixedly arranged at the upper end of the supporting space in the circumferential direction, a telescopic shell fixedly arranged between the four connecting blocks 402, a plurality of conical blocks 404 fixedly arranged on the lifting rod 401 in the height direction, and a limiting disc 405 fixedly arranged at the lower end of the lifting rod 401, the positioning round block 21 is fixedly arranged at the upper end of the lifting rod 401; after the impeller penetrates 21, the pilot hole of impeller can promote 701 and move toward the bracing piece center, 701 promotes 702 and moves down, 400 moves to the center of bracing piece under extension spring's effect, thereby the impeller that is located 20 drops the same distance down simultaneously, after the impeller of the top moves down and 701 separates, the lifter upwards resets, thereby it is spacing to make the expansion block outwards shift out again to the impeller, thereby can wash the aquatic of sending into of impeller one by one, avoided stacking together because of the impeller and can't clean.
The first clamping assembly comprises a first transmission hydraulic cylinder 950 fixedly arranged on the front end wall of the water storage space, a supporting long plate 951 fixedly arranged at the output end of the first transmission hydraulic cylinder 950, two limiting long plates 952 fixedly arranged on the left side and the right side of the rear end surface of the supporting long plate 951 respectively, two second transmission hydraulic cylinders fixedly arranged on the end surfaces of the two opposite ends of the two limiting long plates 952 respectively, and two clamping plates 954 fixedly arranged on the output ends of the two second transmission hydraulic cylinders respectively, the second clamping assembly 890 is identical in structure with the first clamping assembly, and the second clamping assembly 890 is positioned on the lower side of the front end wall of the water storage space; when the impeller on 10 moves downwards to touch the first clamping assembly, the first transmission hydraulic cylinder on the second clamping assembly 890 starts to move the two clamping plates to the two sides of the clamp plate 20, the clamp plate 20 is clamped by starting the second transmission hydraulic cylinder on the second clamping assembly 890, the first clamping assembly is removed from the clamp plate 20, and when the impeller on 10 reaches the lower part of the first clamping assembly, the first clamping assembly is rapidly reset, and the second clamping assembly 890 is removed.
The feeding device comprises a feeding rod 600, a feeding space arranged on the upper end surface of the feeding rod 600, two clamping rods fixedly arranged on the lower end surface of the feeding rod 600 respectively, a plurality of limiting components which are arranged on the feeding rod 600 along the height direction and can be used for limiting the impeller, a plurality of feeding components which are arranged on the feeding rod 600 along the height direction and can be used for feeding the impeller, a second transmission component for driving the feeding components, a movable hydraulic cylinder 601 fixedly arranged on the lower end wall of the water storage space, a supporting block 602 fixedly arranged at the output end of the movable hydraulic cylinder 601, two third clamping components fixedly arranged on the lower end wall of the water storage space respectively, and a fourth clamping component fixedly arranged on the front end wall of the water storage space, the two third clamping assemblies, the fourth clamping assembly and the first clamping assembly have the same structure, but the two third clamping assemblies face upwards, the lower end face of the pipe 621 is provided with a slope; when the centrifugal fan impeller is rotated to the lower side of the feeding device, the moving plate 622 moves downwards to drive 623 to move upwards, the 623 drives 650 to turn over, 650 drives 651 to turn over, and 651 drives the impellers on the feeding device to move upwards for a certain distance, so that the impellers can feed; through the arrangement of 655, the impeller can not be clamped by the impeller on the feeding device and cannot reset when the impeller resets downwards after moving upwards for a certain distance, so that the impeller can be continuously fed; when feeding unit made two supporting rods can contact with two third clamping components when moving down, third clamping component carries out the centre gripping with two supporting rods, and fourth clamping component loosens, and third clamping component drives two supporting rods downstream, lets 621 can retract in the net when the pilot hole through the impeller to can let 621 reach two support spacing inslot rebound again, thereby can upwards mention the impeller after wasing.
The limiting assembly comprises two telescopic grooves arranged on the outer surface of the feeding rod 600 in the circumferential direction, a sliding block 621 movably arranged in the telescopic grooves, and a matching spring fixedly arranged at the bottom of the sliding block 621 and the telescopic grooves.
The feeding assembly comprises two first rotating rods 650 which are respectively and rotatably arranged on the left side and the right side in the feeding space, two first turning plates 651 which are respectively and fixedly arranged on the two first rotating rods 650, a matched torsion spring which is fixedly arranged on the first rotating rods 650, two grooves which are arranged on the left side and the right side of the feeding space, two second rotating rods 652 which are rotatably arranged on the two grooves, two second turning plates 653 which are respectively and fixedly arranged on the two second rotating rods 652, two lower pressing plates 654 which are respectively and fixedly arranged at the upper ends of the two second turning plates 653 and a hinged plate 655 which is hinged on the second turning plate 653, wherein one end of the matched torsion spring is fixedly arranged on the inner wall of the feeding space.
The second transmission assembly comprises a moving plate 622 which can be arranged in the feeding space in a vertically moving mode and a plurality of inclined plates 623 which are arranged on the left end face and the right end face of the moving plate 622 along the height direction, and the inclined plates 623 are arranged in a left-right symmetrical mode.
The working principle is as follows: the impeller is cleaned by centrifugal fan cleaning equipment, the impeller is sequentially placed on a positioning block 3, one surface with blades faces upwards, a conveyor belt is started to drive the impeller to move forwards, when the impeller is moved to the position below 7, 6 the impeller is started to drive 7 the impeller to move downwards, when the impeller reaches two sides of the impeller, a second fixed hydraulic cylinder is started to drive two support plates 10 to be close together so as to lift the impeller, a motor is matched for starting to convey the impeller to the upper side of a feeding device, the impeller can be centered through a guide assembly, the downward movement of the impeller penetrating into the feeding device can drive a first transmission assembly to start, the first transmission assembly can drive a telescopic assembly to start, the impellers on the feeding device can all move downwards for a certain distance, an ultrasonic oscillator can clean the impeller entering water, the motor is started after the cleaning is finished, and two round blocks 12 are driven to rotate by one hundred eighty degrees, when the cleaned impeller is transported to the feeding device and the feeding device moves downwards, the left side of the impeller located at the uppermost side of the feeding device is blocked by the blocking member 222 and inclines to the right, so that the water passes between the first sponge 319 and the second sponge 19, and the water on the surface of the impeller is absorbed by the first sponge and the second sponge.
Claims (6)
1. A production optimization method for a centrifugal fan is characterized by comprising the following steps,
a. manufacturing a fan outer cylinder: processing the outer cylinder of the air outlet machine by utilizing an ion cutting machine, a three-core roller machine, a numerical control electric welding machine and an automatic spinning machine;
b. processing a fan impeller: processing the blades and hub lamp parts by adopting a compression molding process, carrying out slag removal treatment on the fan blades by utilizing a centrifugal fan impeller slag removal device, and then manually removing rough edges of the blades;
c. impeller cleaning: cleaning the impeller by utilizing impeller cleaning equipment, and then drying the impeller by utilizing a dryer;
d. detecting an impeller: before detection, the impeller is firstly dismantled, a static balance test impeller is used for detection and adjustment, then a dynamic balancing machine is used for balance test and adjustment of the impeller, and the impeller which cannot be adjusted is scrapped;
e. and (4) inspecting a finished product: before warehousing, carrying out appearance detection, operation detection, vibration detection and noise detection on the impeller;
the centrifugal fan impeller cleaning equipment in the step b comprises a material conveying device, a shell (11) fixedly arranged on the upper end surface of the base (1), a water storage space arranged on the upper end surface of the shell (11), an ultrasonic oscillator fixedly arranged on the lower end wall of the water storage space, a motor fixedly arranged in the lower end wall of the water storage space, a rotating plate (12) fixedly arranged at the output end of the motor, two round blocks (13) fixedly arranged on the left side and the right side of the upper end of the rotating plate (12) respectively, round holes arranged on the two round blocks (13), two supporting limiting grooves respectively arranged on the upper sides of the side walls of the round holes, a material conveying device, a material feeding device arranged on the upper side of the round block 13 on the left side and a material feeding device arranged on the upper side of the round; the feeding device comprises a supporting column (20), a supporting space which is arranged in the supporting column (20) and is through up and down, a guide assembly which can assist the eccentric impeller to center, a plurality of groups of telescopic assemblies which can move inside and outside along the height direction and are respectively arranged on the supporting column and can move inside and outside, a first transmission assembly which drives the plurality of groups of telescopic assemblies to move inside and outside, a first clamping assembly and a second clamping assembly (890) which are respectively used for clamping the first transmission assembly;
the impeller is cleaned by centrifugal fan cleaning equipment, the impeller is sequentially placed on a positioning block (3), one surface with blades faces upwards, a conveyor belt is started to drive the impeller to move forwards, when the impeller is moved to the position below a position (7), (6) the impeller is started to drive the position (7) to move downwards, when the impeller reaches two sides of the impeller, a second fixed hydraulic cylinder is started to drive two support plates (10) to be close together so as to lift the impeller, the impeller is conveyed to the upper side of a feeding device in a matched mode of motor starting, the impeller can be centered through a guide assembly, the impeller penetrating into the feeding device moves downwards to drive a first transmission assembly to start, the first transmission assembly can drive a telescopic assembly to start, the impellers on the feeding device are all moved downwards for a certain distance, an ultrasonic oscillator starts to clean the impeller entering water, and the motor starts after cleaning is finished, the two round blocks (12) are driven to rotate one hundred eighty degrees, the cleaned impeller is conveyed to the feeding device, when the feeding device moves downwards, the left side of the impeller positioned at the uppermost side of the feeding device is blocked by the (222) and inclines rightwards, so that the left side of the impeller passes through the space between the (319) and the (19), and water on the surface of the impeller is absorbed by the first sponge and the second sponge.
2. The processing method according to claim 1, characterized in that: the operation of manual work unhairing limit is for placing impeller blade on the main shaft of bearing box, then the manual work utilizes the unhairing limit machine to carry out the unhairing limit to the blade on the impeller one by one.
3. The processing method according to claim 1, characterized in that: the operation of the dynamic balance test is to drive the impeller to rotate by using the motor, and then welding a balancing weight on the side surface of the blade at the position where the unbalance is detected; and the preset qualified requirement is met, and the workpiece balance test, correction and processing are finished.
4. The production optimization method of the centrifugal fan according to claim 1, characterized in that: the impeller drying operation is that the cleaned impeller is placed in a dryer, and the impeller can be dried after 20 min.
5. The production optimization method of the centrifugal fan according to claim 1, characterized in that: the guide assembly comprises a positioning round block (21), two convex blocks (22) fixedly arranged on the upper end face of the positioning round block (21), two first guide pieces respectively arranged on the two convex blocks (22), and two second guide pieces arranged on the left side and the right side of the upper end face of the positioning round block (21);
the step of centering the impeller by using the guide assembly is as follows, when the impeller moves downwards, the inner wall of the assembly hole of the impeller is attached to the outer surface of the positioning round block (21) through the two first guide parts and the two second guide parts.
6. The production optimization method of the centrifugal fan according to claim 1, characterized in that: the first guide pieces are respectively fixedly arranged on two telescopic pipes (23) on the upper end face of the protruding block (22), a telescopic rod (24) which can be vertically moved in the two telescopic pipes (23), a telescopic spring which is fixedly arranged between the bottom of the telescopic rod (24) and the lower end of the telescopic pipe (23), a pressing block (25) which is fixedly arranged at the upper end of the telescopic rod (24), a fixed plate (26) which is fixedly arranged at the rear side of the pressing block (25), a rotating shaft which is hinged at the upper end of the fixed plate (26), a first rotating plate (28) which is fixedly arranged on the rotating shaft, and a second rotating plate (29) which is fixedly arranged on the rotating shaft (27), the two first guide pieces are identical in structure but opposite in front-back direction, and the two second guide pieces are identical in structure with the first guide pieces but opposite in left-right direction;
the step of enabling the first guide piece to center the impeller moving downwards in the front-back direction is as follows, the impeller moving downwards presses a pressing block (25), the pressing block (25) moves downwards to drive a second rotating plate (29) to rotate, and the second rotating plate (29) drives a first rotating plate (28) to rotate to push the impeller to shift in the front-back direction.
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| CN115254712A (en) * | 2022-07-20 | 2022-11-01 | 申乐股份有限公司 | Cleaning equipment for static contact of relay base |
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