CN105240285B - A kind of liquid pump of sealing structure - Google Patents
A kind of liquid pump of sealing structure Download PDFInfo
- Publication number
- CN105240285B CN105240285B CN201510779156.9A CN201510779156A CN105240285B CN 105240285 B CN105240285 B CN 105240285B CN 201510779156 A CN201510779156 A CN 201510779156A CN 105240285 B CN105240285 B CN 105240285B
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- ring seal
- sealing gasket
- seal line
- pump
- liquid
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Abstract
The invention belongs to pump class technical field, it is related to a kind of liquid pump of sealing structure, agent structure includes belt pulley, pump shaft, bearing block, bearing, inner fovea part, pump cover, seal, impeller, pump case, casing outlet, casing inlet, casing inlet end face, impeller passes through hole, sealing gasket, sealing gasket base, cylinder, boss, sealing gasket base is cylindrical, bolt passes through hole, first inner ring seal line, second inner ring seal line, first outer ring seal line, second outer ring seal line, liquid input tube road end and capsul, plastic sealing gasket is set up on existing liquid pump matrix, strengthen the air-tightness of liquid pump inlet connection, the top and bottom of sealing gasket disk are equipped with sealing cable architecture, realize line contact sealing, reduce gas-liquid leakage, effectively improve lift value and sealing effectiveness；Its body design is simple in construction, sealing principle science, easy for installation, and preparation cost is low, is easy to batch production, and application environment is friendly.
Description
Technical field：
The invention belongs to pump class technical field, it is related to a kind of liquid pump of sealing structure, particularly one kind and sealing is installed
The water pump of the sealing gasket of cable architecture, can reduce gas-liquid leakage, effectively improve lift value.
Background technology：
Liquid pump is the device for the energy of flow for the mechanical energy of prime mover being converted to liquid；Liquid pump is before activation, first
The liquid conveyed is filled in pump case, after startup, prime mover rotating band moves liquid pump and rotated, and liquid pump impeller is high
Speed rotation, while impeller drives interlobate liquid to rotate, liquid is thrown to impeller from impeller central under the influence of centrifugal force
Outer rim simultaneously obtains energy, and to leave impeller outer edge at a high speed into volute pump case, liquid flows into discharge line with higher pressure,
It is transported to the place of needs；When liquid flows to outer rim by impeller central, certain vacuum is formd in impeller central, due to storage
The pressure of groove ullage is more than the pressure of liquid pump porch, and liquid is just by continuously press-in impeller；Therefore, if liquid is pumped into
Connecting portion at mouthful has gas-liquid leakage phenomenon, then the vacuum reduction at pump intake, reduction liquid pump external and internal pressure is poor, contracting
Short lift (lift is the increment to energy at pump housing outlet at pump housing import of the Unit Weight liquid pumped of pump), as a result liquid
Body cannot be transported to the place of needs.In the prior art, end face and liquid input tube road at the casing inlet of liquid pump
Fixation is directly connected to by bolt between end face, contact of the metal covering with metal covering makes sealing effectiveness not good；Therefore, design is sought
A kind of liquid pump of sealing structure, is provided with sealing gasket between the casing inlet and liquid input tube road of liquid pump, reduces gas-liquid
Circular seal line is set on leakage, sealing gasket, further the air-tightness of the increase pump housing, work lift and the work of liquid pump is improved
Efficiency, with significant application value and promotion prospect.
The content of the invention：
The goal of the invention of the present invention is the shortcoming for overcoming prior art to exist, and proposes a kind of liquid of sealing structure of design
Pump, to solve poor sealing after being connected between the casing inlet of existing liquid pump and liquid input tube road, gas-liquid leakage causes
Lift shortens, the problem of useful work reduces, effectively the sealing of enhancing casing inlet junction, improves power output, increase is raised
Journey value, reaches energy-saving effect.
In order to realize foregoing invention purpose, the agent structure of the liquid pump of sealing structure of the present invention includes belt
Wheel, pump shaft, bearing block, bearing, inner fovea part, pump cover, seal, impeller, pump case, casing outlet, casing inlet, casing inlet end
Face, impeller are by the way that hole, sealing gasket, sealing gasket base, cylinder, boss, sealing gasket base be cylindrical, bolt passes through hole, the first inner ring
Seal line, the second inner ring seal line, the first outer ring seal line, the second outer ring seal line, liquid input tube road end and capsul；
Nested type key is connected between belt pulley and pump shaft；Bearing block is hollow housing, and the two ends of pump shaft are each passed through the axle of symmetrical structure
Hold, two bearings are respectively and fixedly installed on bearing block；The circular configuration of circular hole is opened up centered on pump cover, the diameter of circular hole is more than
The external diameter of pump shaft, is connected by screw fixation between pump cover and bearing block, be cased with the pump shaft between pump cover and bearing block close
Sealing, the axial end portion of impeller is provided with the inner fovea part being engaged with the boss on cylinder, and impeller is fixed on pump by nut
The end of axle；The pump case of volute housing is provided with the casing outlet of cylindrical structure radially above, and the side of pump case axial direction is provided with cylinder
The casing inlet of structure, casing inlet is provided with casing inlet end face, casing inlet end face and uniformly opens up 4 screwed holes；Pump
Columella to opposite side provided with impeller by hole, be bolted between pump cover and pump case；On the sealing gasket of circular ring
Provided with sealing gasket base, the external diameter of sealing gasket base is identical with the external diameter of casing inlet, and sealing gasket base is circular ring, close
The inner circle edge of packing base is provided with the integrally formed cylinder perpendicular to sealing gasket base, internal diameter and the sealing gasket base of cylinder
Interior circular diameter it is identical, be provided with the integrally formed boss around cylinder border close to one end of sealing gasket base on cylinder, it is close
4 diameter identical bolts are uniformly opened up by hole at the cylindrical position of sealing gasket base on packing base, and bolt passes through
The position in hole and the screw thread hole site of casing inlet end face match；It is interval with sealing gasket base upper surface concentric with cylinder
The first inner ring seal line and the second inner ring seal line, spacing between the first inner ring seal line and boss external diameter is 3-5mm, the
Spacing between one inner ring seal line and the second inner ring seal line is 2-3mm, and the diameter of the second inner ring seal line enters more than pump case
The internal diameter of mouth, is provided with the first outer ring seal line and second outer ring seal line concentric with cylinder in sealing gasket base lower surface,
First outer ring seal line and the first inner ring seal linear diameter are identical, the second outer ring seal line and the second inner ring seal linear diameter phase
Together, the first inner ring seal line, the second inner ring seal line, the first outer ring seal line and the second outer ring seal line are cross-sectional structure
Identical triangular hill structure；The external diameter of the liquid input tube road end of flange arrangement is identical with the external diameter of sealing gasket base,
The internal diameter of liquid input tube road end is less than the second outer ring seal line of sealing gasket base, and liquid input tube road end is uniformly opened
If the bolt of 4 diameters and sealing gasket base is by hole identical hole, position and the bolt in hole are matched by hole；Sealing gasket
In cylinder insertion casing inlet, 4 bolts on 4 screwed holes, sealing gasket on casing inlet pass through hole and liquid input tube
4 equal concentric alignments in hole of road end, casing inlet end face compresses the first inner ring seal line and the second inner ring seal line, and liquid is defeated
Enter pipe end and compress the first outer ring seal line and the second outer ring seal line；Capsul is fixed on casing inlet, sealing gasket and liquid
The interface connection of body input channel end.
The preparation method of sealing gasket of the present invention includes that raw material prepares, dispensing and drying, injection machine and mould prepare,
Injection molding and the examination and test of products and five steps of packaging：
(1), raw material prepares：String, useless cloth or hair that clean no-sundries are mixed into is chosen to be put into pulverizer and crush
Into fiber dust, PP type plastic product particle is chosen, asbestos are ground into 100-200 mesh powder, nanometer stone rock is processed
Into 100-200 mesh powder, quartz is processed into 150-200 mesh powder, takes the talcum powder of 100-200 mesh standby；
(2), dispensing and drying：The PP type plastic product particle 80- that will prepare by weight percentage in step (1)
90%th, the flake asbestos 5-6% of 100-200 mesh, silica flour 1-3%, 100-200 of nanometer stone rock dust 0.5-2%, 150-200 mesh
Purpose talcum powder 1-5% and fiber powder 1-5%, summation is 100%, and batch mixing is formed after being uniformly mixed in input batch mixer,
Batch mixing is put into dryer again, by dryer temperature control at 70-80 DEG C, prebake 1-2 hours is carried out to batch mixing, is removed mixed
Moisture in material；
(3), injection machine and mould prepare：Injection machine and micronic dust, particle and steam debris in mould are removed, respectively will note
Molding machine and mould switch on power, and are preheated to 40-60 DEG C；
(4), injection molding：In the hopper for the injection machine that the batch mixing of drying in step (2) is put into step (3) preparation,
By hopper temperature control at 170-200 DEG C, batch mixing carries out being heated to molten condition in hopper, forms fluid batch mixing；Will injection
Machine is pushed into Stress control in 50-120MPa, and fluid batch mixing is pushed into the mould that step (3) prepares, by mould dwell pressure
Control makes fluid batch mixing be full of whole mold cavity in 30-70MPa；After cooling, complete de- in the presence of ejecting mechanism
Mould, is made liquid pump cyclic sealing gasket crude product；
(5), the examination and test of products and packaging：Profile, the size of finished product are tested with slide calliper rule, had by gross visualization product
Without deformation and surface quality defect, after substandard product is detected, carry out crushing input recycling, it is qualified that qualified products are sticked
Label, is fitted into polybag and seals to obtain finished product together with packed drier.
Liquid pump in use, be first placed on level ground, to pump case by the liquid pump of sealing structure of the present invention
Liquid is inside filled, liquid input tube road is put into below the water surface of liquid cell, the power supply of prime mover is connected, prime mover rotation is led to
Belt drive pulley rotation is crossed, belt pulley is fixedly linked with pump shaft, so as to drive pump shaft to rotate, pump shaft impeller is revolved at a high speed
Turn, while impeller drives interlobate liquid to rotate, liquid is thrown to impeller from the center of impeller under the influence of centrifugal force
Outer rim simultaneously obtains energy, then enters casing outlet to leave the outer rim of impeller at a high speed, and liquid flows into discharge pipe with higher pressure
Road, is transported to the place of needs, when liquid flows to outer rim by the center of impeller, and necessarily true has been centrally formed in impeller
Sky, because the pressure of storage tank ullage is more than the pressure at impeller central, and casing inlet, sealing gasket and liquid input tube
The junction high-seal of road end, makes the difference increase of liquid pump external and internal pressure, and liquid just obtains bigger pressure and is continuously pressed into leaf
In wheel, realize that liquid pumps function.
The present invention compared with prior art, sets up plastic sealing gasket on existing liquid pump matrix, and enhancing liquid is pumped into
The air-tightness of mouth junction, the top and bottom of sealing gasket disk are equipped with sealing cable architecture, realize line contact sealing, effectively improve close
Seal effect；Its body design is simple in construction, sealing principle science, easy for installation, and preparation cost is low, is easy to batch production, application
It is environment-friendly.
Brief description of the drawings：
Fig. 1 is the body sections principle schematic diagram of the present invention.
Fig. 2 is that sealing gasket of the present invention faces cross-section structure principle schematic.
Fig. 3 is the plan structure principle schematic of sealing gasket of the present invention.
Embodiment：
Below by specific embodiment and the invention will be further described with reference to accompanying drawing.
Embodiment：
The agent structure of the liquid pump for the sealing structure that the present embodiment is related to includes belt pulley 1, pump shaft 2, bearing block 3, axle
Hold 4, inner fovea part 5, pump cover 6, seal 7, impeller 8, pump case 9, casing outlet 10, casing inlet 11, casing inlet end face 12, leaf
Wheel by hole 13, sealing gasket 14, sealing gasket base 15, cylinder 16, boss 17, sealing gasket base cylindrical 18, bolt by hole 19,
First inner ring seal line 20, the second inner ring seal line 21, the first outer ring seal line 22, the second outer ring seal line 23, liquid input
Pipe end 24 and capsul 25；Nested type key is connected between belt pulley 1 and pump shaft 2, in order to the replacing of belt pulley 1；Bearing
Seat 3 is the hollow housing that casting of metals is molded, and pump shaft 2 is made up of stainless steel high-abrasive material, and the two ends of pump shaft 2 are each passed through symmetrically
The bearing 4 of structure, two bearings 4 are respectively and fixedly installed on bearing block 3；Pump cover 6 is that the center that casting of metals is molded opens up circle
The circular configuration in hole, the diameter of circular hole is more than the external diameter of pump shaft 2, is easy to pump shaft 2 to pass through, spiral shell is passed through between pump cover 6 and bearing block 3
Nail is connected, and is cased with seal 7 on the pump shaft 2 between pump cover 6 and bearing block 3, the axial end portion of impeller 8 is provided with and cylinder
The inner fovea part 5 that boss 17 on 16 is engaged, impeller 8 is fixed on the end of pump shaft 2 by nut；Pump case 9 pours for metal
The volute housing of type casting moulding, pump case 9 is provided with the casing outlet 10 of cylindrical structure radially above, and the side of the axial direction of pump case 9 is provided with circle
The casing inlet 11 of barrel structure, casing inlet 11 is provided with casing inlet end face 12, casing inlet end face 12 and uniformly opens up four
Individual screwed hole；The opposite side of the axial direction of pump case 9, by hole 13, is bolted provided with impeller between pump cover 6 and pump case 9；Sealing
Pad 14 is the circular ring of injection molding, and sealing gasket 14 is provided with sealing gasket base 15, the external diameter of sealing gasket base 15
Identical with the external diameter of casing inlet 11, sealing gasket base 15 is circular ring, and the inner circle edge of sealing gasket base 15 is provided with one
The body formed cylinder 16 perpendicular to sealing gasket base 15, the internal diameter of cylinder 16 is identical with the interior circular diameter of sealing gasket base 15,
On cylinder 16 the integrally formed boss 17 around cylinder border, sealing gasket base 15 are provided with close to one end of sealing gasket base 15
Upper uniformly to open up 4 diameter identical bolts by hole 19 at the position of sealing gasket base cylindrical 18, bolt passes through hole 19
Position and the screw thread hole site of casing inlet end face 12 match；It is interval with the upper surface of sealing gasket base 15 and cylinder 16
Concentric the first inner ring seal line 20 and the second inner ring seal line 21, between the first inner ring seal line 20 and the external diameter of boss 17 between
Away from for 3~5mm, the spacing between the first inner ring seal line 20 and the second inner ring seal line 21 is 2~3mm, the second inner ring seal
The diameter of line 21 is more than the internal diameter of casing inlet 11, is provided with the lower surface of sealing gasket base 15 outside first concentric with cylinder 16
The outer ring seal line 23 of ring seal line 22 and second, the first outer ring seal line 22 is identical with the diameter of the first inner ring seal line 20, and second
Outer ring seal line 23 is identical with the diameter of the second inner ring seal line 21, the first inner ring seal line 20, the second inner ring seal line 21, first
The outer ring seal line 23 of outer ring seal line 22 and second is cross-sectional structure identical triangular form bulge-structure；Liquid input tube road
End is the metalwork of flange arrangement, and the external diameter of liquid input tube road end 24 is identical with the external diameter of sealing gasket base 15, liquid
The internal diameter of input channel end 24 is less than equal at the second outer ring seal line 23 of sealing gasket base 15, liquid input tube road end 24
It is even to open up 4 diameters with the bolt of sealing gasket base 15 by the identical hole of hole 19, and the position in hole passes through the phase of hole 19 with bolt
Matching；In the insertion casing inlet 11 of cylinder 16 of sealing gasket 14,4 on 4 screwed holes, sealing gasket 14 on casing inlet 11
Bolt passes through 4 equal concentric alignments in hole in hole 19 and liquid input tube road end 24, suitable for being tightened with bolt, casing inlet end face
12 compress the first inner ring seal line 20 and the second inner ring seal line 21, and liquid input tube road end 24 compresses the first outer ring seal line
22 and the second outer ring seal line 23；Capsul 25 is fixed on casing inlet 11, sealing gasket 14 and liquid input tube road end 24
Interface connection, by sealing joint.
The preparation method for the sealing gasket 14 that the present embodiment is related to includes raw material preparation, dispensing and drying, injection machine and mould
Preparation, injection molding and the examination and test of products and five steps of packaging：
(1), raw material prepares：String, useless cloth or hair that clean no-sundries are mixed into are chosen, is put into pulverizer and crushes
Into fiber powder, PP type plastic product particle is chosen, flake asbestos is crushed to 100-200 mesh powder, nanometer stone rock is processed
Into 100-200 mesh powder, silica flour is processed into 150-200 mesh powder, takes the talcum powder of 100-200 mesh standby；
(2), dispensing and drying：By weight percentage by the PP type plastic grain 80-90% prepared in step (1),
The flake asbestos 3-5% of 100-200 mesh, silica flour 1-3%, the 100-200 purpose of nanometer stone rock dust 0.5-2% and 150-200 mesh
Talcum powder 2%, fiber powder 0.5-1%, summation is 100%, and batch mixing is formed after being uniformly mixed in input batch mixer, then will be mixed
In material input dryer, by dryer temperature control at 70-80 DEG C, prebake 1-2 hours is carried out to batch mixing, removed in batch mixing
Moisture；
(3), injection machine and mould prepare：Injection machine and micronic dust, particle and steam debris in mould are removed, respectively will note
Molding machine and mould switch on power, and are preheated to 40-60 DEG C；
(4), injection molding：In the hopper for the injection machine that the batch mixing of drying in step (2) is put into step (3) preparation,
By hopper temperature control at 170-200 DEG C, batch mixing carries out being heated to molten condition in hopper, forms fluid batch mixing；Will injection
Machine is pushed into Stress control in 50-120MPa, and fluid batch mixing is pushed into the mould that step (3) prepares, by die pressure pressurize
Between 30-70MPa, fluid batch mixing is set to be full of whole mold cavity；The demoulding is completed after cooling obtains product；
(5), the examination and test of products and packaging：Profile, the size of product are tested with slide calliper rule, had by gross visualization product
Without deformation and surface quality defect, after substandard product is detected, carry out crushing input recycling, it is qualified that qualified products are sticked
Label, is fitted into polybag and seals together with packed drier.
Liquid pump in use, be first placed on level ground, to pump by the liquid pump for the sealing structure that the present embodiment is related to
Liquid is filled in shell 9, liquid input tube road is put into below the water surface of liquid cell, the power supply of prime mover is connected, prime mover rotates,
Rotated by belt drive belt pulley 1, belt pulley 1 is fixedly linked with pump shaft 2, so as to drive pump shaft 2 to rotate, pump shaft 2 is with movable vane
Wheel 5 rotates at a high speed, while impeller 5 drives interlobate liquid to rotate, liquid is under the influence of centrifugal force from the center quilt of impeller 5
Throw to the outer rim of impeller 5 and obtain energy, then casing outlet 10 is entered with the outer rim for leaving impeller 5 at a high speed, liquid is with higher
Pressure flows into discharge line, the place of needs is transported to, when liquid flows to outer rim by the center of impeller 5, at the center of impeller 5
Form certain vacuum, due to storage tank ullage pressure be more than the center of impeller 5 pressure, and casing inlet 11,
Sealing gasket 14 and the junction high-seal of liquid input tube road end 24, make the difference increase of liquid pump external and internal pressure, and liquid is just obtained
Bigger pressure is obtained by continuously press-in impeller 5, realizes that liquid pumps function.
Claims (2)
1. a kind of liquid pump of sealing structure, it is characterised in that agent structure includes belt pulley, pump shaft, bearing block, bearing, indent
Portion, pump cover, seal, impeller, pump case, casing outlet, casing inlet, casing inlet end face, impeller pass through hole, sealing gasket, close
Packing base, cylinder, boss, sealing gasket base are cylindrical, bolt passes through hole, the first inner ring seal line, the second inner ring seal line,
One outer ring seal line, the second outer ring seal line, liquid input tube road end and capsul；Nested type key between belt pulley and pump shaft
Connection, in order to the replacing of belt pulley；Bearing block is the hollow housing that casting of metals is molded, and pump shaft is stainless steel high-abrasive material system
Into the two ends of pump shaft are each passed through the bearing of symmetrical structure, and two bearings are respectively and fixedly installed on bearing block；Pump cover is metal
The center of cast molding opens up the circular configuration of circular hole, and the diameter of circular hole is more than the external diameter of pump shaft, is easy to pump shaft to pass through, pump cover with
Fixation is connected by screw between bearing block, seal, the axial end of impeller are cased with the pump shaft between pump cover and bearing block
Portion is provided with the inner fovea part being engaged with the boss on cylinder, and impeller is fixed on the end of pump shaft by nut；Pump case is gold
Belong to the volute housing of cast molding, pump case is provided with the casing outlet of cylindrical structure radially above, and the side of pump case axial direction is provided with circle
The casing inlet of barrel structure, casing inlet is provided with casing inlet end face, casing inlet end face and uniformly opens up four screwed holes；
The opposite side of pump case axial direction, by hole, is bolted provided with impeller between pump cover and pump case；Sealing gasket be plastic injection into
The circular ring of type, sealing gasket is provided with sealing gasket base, and the external diameter of sealing gasket base is identical with the external diameter of casing inlet, close
Packing base is circular ring, and the inner circle edge of sealing gasket base is provided with the integrally formed circle perpendicular to sealing gasket base
Cylinder, the internal diameter of cylinder is identical with the interior circular diameter of sealing gasket base, close to one end of sealing gasket base provided with one on cylinder
On the boss around cylinder border of shaping, sealing gasket base 4 diameters are uniformly opened up at the cylindrical position of sealing gasket base
Identical bolt is matched by hole, bolt by the position in hole with the screw thread hole site of casing inlet end face；Sealing gasket base
Be interval with the first inner ring seal line and second inner ring seal line concentric with cylinder at upper surface, the first inner ring seal line with it is convex
Spacing between platform external diameter is 3-5mm, and the spacing between the first inner ring seal line and the second inner ring seal line is 2-3mm, second
The diameter of inner ring seal line is more than the internal diameter of casing inlet, is provided with sealing gasket base lower surface outside first concentric with cylinder
Ring seal line and the second outer ring seal line, the first outer ring seal line and the first inner ring seal linear diameter are identical, the second outer ring seal
Line and the second inner ring seal linear diameter are identical, the first inner ring seal line, the second inner ring seal line, the first outer ring seal line and second
Outer ring seal line is cross-sectional structure identical triangular hill structure；Liquid input tube road end is the metal of flange arrangement
Part, the external diameter of liquid input tube road end is identical with the external diameter of sealing gasket base, and the internal diameter of liquid input tube road end is less than close
Second outer ring seal line of packing base, liquid input tube road end uniformly opens up the bolt of 4 diameters and sealing gasket base
By hole identical hole, position and the bolt in hole are matched by hole；In the cylinder insertion casing inlet of sealing gasket, casing inlet
On 4 screwed holes, 4 bolts on sealing gasket by 4 equal concentric alignments in hole in hole and liquid input tube road end, be suitable to
Tightened with bolt, casing inlet end face compresses the first inner ring seal line and the second inner ring seal line, liquid input tube road end pressure
Tight first outer ring seal line and the second outer ring seal line；Capsul is fixed on casing inlet, sealing gasket and liquid input tube road end
The interface connection in portion, by sealing joint；The preparation method of the sealing gasket includes raw material preparation, dispensing and drying, injection machine
And mould prepares, five steps of injection molding and the examination and test of products and packaging：1st, raw material prepares：Choose the plant that clean no-sundries are mixed into
Fibres, useless cloth or hair are put into pulverizer and are ground into fiber dust, PP type plastic product particle are chosen, by flake asbestos
100-200 mesh powder is broken into, nanometer stone rock is processed into 100-200 mesh powder, quartz is processed into 150-200 mesh powder, taken
The talcum powder of 100-200 mesh is standby；2nd, dispensing and drying：By weight percentage by the PP type plastics prepared in step 1 into
Flake asbestos 5-6%, the silica flour 1- of nanometer stone rock dust 0.5-2%, 150-200 mesh of product particle 80-90%, 100-200 mesh
3%th, the talcum powder 1-5% and fiber powder 1-5% of 100-200 mesh, summation is 100%, is uniformly mixed in input batch mixer
After form batch mixing, then batch mixing is put into dryer, by dryer temperature control at 70-80 DEG C, prebake 1-2 is carried out to batch mixing
Hour, remove the moisture in batch mixing；3rd, injection machine and mould prepare：Remove injection machine and micronic dust, particle and steam in mould
Debris, injection machine and mould are switched on power, be preheated to 40-60 DEG C respectively；4th, injection molding：By the batch mixing dried in step 2
In the hopper for the injection machine for putting into step 3 preparation, by hopper temperature control at 170-200 DEG C, batch mixing is added in hopper
Heat forms fluid batch mixing to molten condition；Injection machine is pushed into Stress control in 50-120MPa, and fluid batch mixing is pushed into step
In rapid 3 moulds prepared, by the control of mould dwell pressure in 30-70MPa, fluid batch mixing is set to be full of whole mold cavity；Treat cold
But after, the demoulding is completed in the presence of ejecting mechanism, liquid pump cyclic sealing gasket crude product is made；5th, the examination and test of products and packaging：
Profile, the size of finished product are tested with slide calliper rule, deformation and surface quality defect are whether there is by gross visualization product, will not conformed to
After the detection of lattice product, carry out crushing input recycling, qualified products are sticked into qualified label, loaded together with packed drier
Finished product is sealed to obtain in polybag.
2. the liquid pump of sealing structure according to claim 1, it is characterised in that in use, liquid pump first is placed on into water
On plane earth, liquid is filled into pump case, liquid input tube road is put into below the water surface of liquid cell, the electricity of prime mover is connected
Source, prime mover rotation, by belt drive pulley rotation, belt pulley is fixedly linked with pump shaft, so that drive pump shaft to rotate, pump
Axle impeller rotates at a high speed, while impeller drives interlobate liquid to rotate, liquid is under the influence of centrifugal force from impeller
Center is thrown to the outer rim of impeller and obtains energy, then enters casing outlet to leave the outer rim of impeller at a high speed, and liquid is with higher
Pressure flow into discharge line, the place of needs is transported to, when liquid flows to outer rim by the center of impeller, at the center of impeller
Certain vacuum is formd, because the pressure of storage tank ullage is more than the pressure at impeller central, and casing inlet, sealing
Pad and the junction high-seal of liquid input tube road end, make the difference increase of liquid pump external and internal pressure, and liquid just obtains bigger pressure
Power realizes that liquid pumps function by continuously press-in impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779156.9A CN105240285B (en) | 2015-11-13 | 2015-11-13 | A kind of liquid pump of sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779156.9A CN105240285B (en) | 2015-11-13 | 2015-11-13 | A kind of liquid pump of sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240285A CN105240285A (en) | 2016-01-13 |
| CN105240285B true CN105240285B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779156.9A Expired - Fee Related CN105240285B (en) | 2015-11-13 | 2015-11-13 | A kind of liquid pump of sealing structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154292A (en) * | 1996-01-10 | 1997-07-16 | 中国科学院长春应用化学研究所 | Method for mfg. high temp. abrasion-resistant seal valve gasket |
| US5690471A (en) * | 1995-09-29 | 1997-11-25 | Aisin Seiki K.K. | Water pump |
| CN201963869U (en) * | 2011-01-20 | 2011-09-07 | 康联精密机电(深圳)有限公司 | Double-layer sealing ring |
| CN202811527U (en) * | 2012-09-13 | 2013-03-20 | 芜湖长江泵业有限公司 | Suction-type centrifugal pump |
| CN203130524U (en) * | 2013-01-25 | 2013-08-14 | 熊仲毅 | Horizontal type blocking-free sand sucking pump |
| CN104454624A (en) * | 2013-11-27 | 2015-03-25 | 广西鹿寨县华光机械制造有限责任公司 | Sand pump |
-
2015
- 2015-11-13 CN CN201510779156.9A patent/CN105240285B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5690471A (en) * | 1995-09-29 | 1997-11-25 | Aisin Seiki K.K. | Water pump |
| CN1154292A (en) * | 1996-01-10 | 1997-07-16 | 中国科学院长春应用化学研究所 | Method for mfg. high temp. abrasion-resistant seal valve gasket |
| CN201963869U (en) * | 2011-01-20 | 2011-09-07 | 康联精密机电(深圳)有限公司 | Double-layer sealing ring |
| CN202811527U (en) * | 2012-09-13 | 2013-03-20 | 芜湖长江泵业有限公司 | Suction-type centrifugal pump |
| CN203130524U (en) * | 2013-01-25 | 2013-08-14 | 熊仲毅 | Horizontal type blocking-free sand sucking pump |
| CN104454624A (en) * | 2013-11-27 | 2015-03-25 | 广西鹿寨县华光机械制造有限责任公司 | Sand pump |
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|---|---|
| CN105240285A (en) | 2016-01-13 |
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Effective date of registration: 20180717 Address after: 266214 Shandong province Qingdao city Jimo City Jin Kou Zhen Dian Xi Yan Di Village Patentee after: Qingdao Feng Yan Pump Industry Co., Ltd. Address before: 266214 Qingdao City, Shandong, Jimo City store town Garrison Patentee before: QINGDAO FENGYAN MICRO MOTOR WATER PUMP FACTORY |
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Granted publication date: 20170829 Termination date: 20191113 |