CN107088519B

CN107088519B - Hard evanohm is dried,ed shelled shrimps classified screening device

Info

Publication number: CN107088519B
Application number: CN201710460205.1A
Authority: CN
Inventors: 张意立; 陈丹青
Original assignee: Quanzhou Taiwanese Investment Zone Tiangong Electromechanical Design Co Ltd
Current assignee: Anhui bright noodle Co.,Ltd.
Priority date: 2017-06-17
Filing date: 2017-06-17
Publication date: 2018-06-29
Anticipated expiration: 2037-06-17
Also published as: CN107088519A

Abstract

The invention belongs to the large and small grade screening plant to sea shrimp dry product, hard evanohm is dried,ed shelled shrimps classified screening device, including device chassis, whole box-frame, rotation diaphragm, drawer and power motor and bearing of the crank pin holder assembly is collected, as improvement：Motor output shaft by bearing of the crank pin holder assembly drive rotating crank rotate, rotating crank and wave sliding pivot pin between be hinged for spherical surface；Fixed offset circular shaft, U-shaped groove are disposed offset from circular shaft the side plate through-hole of both sides jointly.Beneficial effects of the present invention：The present invention is used between the movement locus of convex spherical body and offset circular shaft as space parallel position relationship, U-shaped groove on rotation diaphragm is set and is waved between slip hole as spatial vertical position relationship, the U-shaped groove allowed on rotation diaphragm rotated centered on circular shaft axial line can have both been deviated on offset circular shaft, can also make linear movement activities along offset circular shaft；Achieve the effect that imitate and manually rock rotation diaphragm.

Description

Hard evanohm is dried,ed shelled shrimps classified screening device

Technical field

The invention belongs to the large and small grade screening plant to sea shrimp dry product, international classification A22C, especially a kind of hard chromes Alloy is dried,ed shelled shrimps classified screening device.

Background technology

Dried, shelled shrimps, be the Wu dialect dialect in China Jiangsu and Zhejiang Provinces area, refer to that the peeled shrimp after marinated dry is done, in cooking, Play the role of proposing fresh seasoning.Also there are the calls such as dried shrimps, golden hook elsewhere.At present, coastal fisherman, which makes, dried,s shelled shrimps and split The grade screening of foreign finished product combines manpower manual state also in eyesight range estimation substantially, and there are labor intensity height, screening effects Rate is low and the nonstandard many drawbacks such as consistent of Visual ratings screening, China's number of patent application：201420241106.6 lobster Process special large, medium and small three-level sorting integrated device, application number：201621066403.7 a kind of krill sorting unit, application Number：200820190828.8 a kind of fish shrimp cleaning separator, application number：201220622512.8 shrimp sorting unit and application number： A kind of 201611093740.x fishing boat marine fishing sorting units although complicated various, are not all accomplished to imitate people Work operates, and causes screening error big, is not suitable for use in sizing screening of dried,ing shelled shrimps.Therefore, there is an urgent need to have dried,ing shelled shrimps point for mechanization Grade screening plant is hand-manipulated to substitute manpower.

Invention content

The object of the present invention is to provide a set of imitate manually to rock, and can do upper and lower swinging motion and do left and right reciprocal Movement, grade separation screening plant of dried,ing shelled shrimps, to solve the problems mentioned in the above background technology, reduce labor intensity, improve Screening efficiency, screening class more standard.Concrete scheme is as follows：

Hard evanohm is dried,ed shelled shrimps classified screening device, including device chassis, whole box-frame, rotation diaphragm, collects drawer With power motor and bearing of the crank pin holder assembly, the whole box-frame by horizonal base plate and upright foreboard and upright back plate and Two pieces of upright side plates are formed, and horizonal base plate is located above device chassis, there are four universal wheel below device chassis, as changing Into：

There is drawer's opening on the upright foreboard, drawer's opening has collection drawer that can put into or take out；Described is straight Organic shaft through-hole and motor fixing plate in vertical back plate, there is bearing block fixing threaded hole around arbor through-hole, motor fixing plate perpendicular to Plane after the upright back plate, the power motor are located at plane on motor fixing plate；Motor output shaft passes through described Bearing of the crank pin holder assembly driving rotating crank rotates, and rotating crank is rotatable to be fixed on the upright back plate frontal plane On, rotating crank and wave sliding pivot pin between be hinged for spherical surface；

There is side plate lug in upright side plate described in two pieces, there is side plate through-hole, the side plate through-hole of both sides on side plate lug Common fixed offset circular shaft；

The rotation diaphragm is by classification sieve and sieve foreboard and sieve back plate and two blocks of symmetrical sieve side plates It is formed, there is three to five sieve support sticks between sieve foreboard bottom and sieve back plate bottom, sieve support stick both ends are respectively welded Sieve foreboard bottom and sieve back plate bottom are fixed on, sieve support stick support classification sieve；Have in sieve back plate and wave sliding Hole；Wave and a slip hole bushing be interference fitted on slip hole, slip hole bushing endoporus and wave sliding pivot pin outer circle between To be slidably matched；

U-shaped groove is respectively provided on two blocks of symmetrical sieve side plates, U-shaped groove is located on the offset circular shaft.

As being further improved：The rotating crank medial surface has through-hole central shaft, and rotating crank lateral surface has Bent axle is turned round, revolution bent axle end is crankshaft end-face, and crankshaft end-face has bent axle step through-hole；There is sphere plane on convex spherical body, There is sphere screw hole in sphere plane；It is fixedly connected between revolution bent axle and convex spherical body by sphere screw；

Described waving has half spherojoint in sliding pivot pin inner termination, have hemispherical plane on half spherojoint, hemisphere is put down There is half spherical-concave-surface of center and hemisphere screw hole on face；There is through-hole concave spherical surface and cover plate through hole on hemisphere cover board.

As being further improved：The bearing of the crank pin holder assembly includes bearing seat and pedestal cap, on pedestal cap With flap central through hole and flap fixed hole, there is flap flange collar on pedestal cap inner face；There is pedestal in bearing seat inner end There are pedestal bearing hole and pedestal fixing threaded hole in fixed hole and pedestal endoporus shoulder block, bearing seat outer end；

There is center shaft through-hole on through-hole central shaft, setting center shaft key groove in the shaft through-hole of center, center shaft key groove and electricity Machine flat key matches, and motor output shaft is matched with center shaft through-hole；

There are central shaft changeover portion and central shaft outer circle, central shaft outer circle and central shaft changeover portion on the through-hole central shaft Between have outer circle shoulder block, there is clamp spring groove in central shaft outer circle outer end, axis clamp spring is provided on clamp spring groove, and axis is limited with clamp spring Firmly clutch shaft bearing and second bearing axial displacement, set bearing spacer between clutch shaft bearing inner ring and second bearing inner ring, and first The fit tolerance of brearing bore and second bearing endoporus between through-hole central shaft outer circle is is interference fitted, clutch shaft bearing outer circle And fit tolerance of the second bearing outer circle between pedestal bearing hole coordinates for transition；

Described waving sliding pivot pin and deviate circular shaft outer round surface has the hard chrome conjunction of one layer of 0.22-0.24 millimeters thick Gold plate.

As being further improved：The hard chromium alloy material is made of the element of following weight percent：Chromium: 12.4~12.6%, titanium:3.4~3.6%, molybdenum:3.1~3.3%, tungsten：2.7~2.9%, nickel:1.4~1.6%, carbon：0.64~ 0.66%th, manganese:0.7~0.9%, zinc:0.1~0.3%, surplus is Fe and inevitable impurity；The weight percent of the impurity It is than content：Silicon is less than 0.04% less than 0.005%, sulphur less than 0.06%, phosphorus, and the superficial Rockwell of the hard chromium alloy material is hard Angle value is HRC64~66；

The slip hole bushing uses copper-base powder metallurgy self-lubricating abrasion-proof material, and the copper-base powder metallurgy moistens certainly Sliding wear-resistant material, including following components, forms by mass percentage：Nickel：2.7~2.9%；Graphite：2.4~2.6%；Curing Molybdenum：2.1~2.3%, surplus is copper；The granularity of the nickel is 140~160 mesh, and the granularity of graphite is 70~80 mesh, molybdenum disulfide For micelle pulvis, purity is 93%~95%, and the granularity of copper is 170~190 mesh；The pressing pressure of the slip hole bushing green compact For 230~250MPa.

As being further improved：The c-type for having a layer thickness to be 1.31 ~ 1.33 millimeters in the U-shaped groove surfaces is wear-resisting Carbon fiber modifying polyether-ether-ketone composite material, the wear-resisting carbon fiber modifying polyether-ether-ketone composite material of the c-type is by following weight percent The element composition of ratio：Polyether-ether-ketone resin 47 ~ 49%, polyflon 12.8 ~ 13.0%, polyimide resin 11.2 ~ 11.4%, carbon fiber 5.6 ~ 5.8%, vermiculite 7.7 ~ 7.9%, parithenolide 7.6 ~ 7.8%, feldspar in powder 4.7 ~ 4.9%, surplus is Compatilizer.

Beneficial effects of the present invention：

（One）, the present invention use convex spherical body movement locus and offset circular shaft between for space parallel position relationship, put Turn to allow for spatial vertical position relationship between setting U-shaped groove on diaphragm and waving slip hole U-shaped recessed on rotation diaphragm Slot rotated centered on circular shaft axial line can have both been deviated on offset circular shaft, can also make straight line shifting along offset circular shaft Dynamic movement；With reference to motor output shaft by bearing of the crank pin holder assembly drive rotating crank rotate, using rotating crank with Wave sliding pivot pin between be hinged for spherical surface；Accomplish that rotating crank driving waves sliding pivot pin together with rotation diaphragm whole one Compound motion is acted as, achievees the effect that imitate and manually rocks rotation diaphragm, realize imitation and manually rock rotation diaphragm Screening distinguishes the large and small different grades of purpose in ocean.The screening of fixed dimension mesh is selected using classification sieve and substitutes artificial mesh Survey is dried,ed shelled shrimps physical size, and screening class more standard improves production efficiency, reduces labor intensity.

（Two）, wave sliding pivot pin and offset circular shaft outer round surface have one layer of hard chrome alloy layer, can reduce coarse Degree improves outer round surface smooth degree, and frictional resistance is small, more durable.Copper-base powder metallurgy self-lubricating abrasion-proof material Slip hole bushing and wave sliding pivot pin between realize oil-free lubrication, without hand oiling lubricate.There is one layer in U-shaped groove surfaces The wear-resisting carbon fiber modifying polyether-ether-ketone composite material of c-type realizes oil-free lubrication between U-shaped groove and offset circular shaft, reduces Frictional resistance.

Description of the drawings

Fig. 1 is stereogram of the present invention.

Fig. 2 is the stereogram unloaded in Fig. 1 in addition to after rotation diaphragm 30.

Fig. 3 is the stereogram unloaded in Fig. 2 in addition to after collection drawer 40.

Fig. 4 is the 20 independent stereogram of whole box-frame in Fig. 1, Fig. 2 or Fig. 3.

Fig. 5 is the 40 independent stereogram of collection drawer in Fig. 1 or Fig. 2.

Fig. 6 is the 30 independent stereogram of rotation diaphragm in Fig. 1.

Fig. 7 is the partial sectional view by waving sliding 53 central axis of pivot pin in Fig. 1.

Fig. 8 is the state diagram that the rotation diaphragm 30 in Fig. 7 is horizontal.

Fig. 9 is the state diagram that convex spherical body 55 in Fig. 7 is in extreme lower position.

Figure 10 is the 55 position enlarged drawing of convex spherical body in Fig. 9.

Figure 11 is the 60 position enlarged drawing of bearing of the crank pin holder assembly in Figure 10.

Figure 12 is the short axle crank 51 in Figure 10 while passes through revolution 52 axial line of 54 axial line of bent axle and through-hole central shaft Sectional view.

Specific embodiment

The structure to the present invention and operation principle and application are further elaborated in conjunction with the accompanying drawings and embodiments：

In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, hard evanohm is dried,ed shelled shrimps classified screening device, including device bottom Disk 10, rotation diaphragm 30, collects drawer 40 and power motor 50 and bearing of the crank pin holder assembly 60 at whole box-frame 20, described Whole box-frame 20 be made of horizonal base plate 11 and upright foreboard 21 and upright back plate 24 and two pieces of upright side plates 22, it is horizontal Bottom plate 11 is located at 10 top of device chassis, and device chassis 10 is below there are four universal wheel 14, as improvement：

There is drawer's opening 23 on the upright foreboard 21, have collection drawer 40 that can put into or take out at drawer's opening 23； Organic shaft through-hole 45 and motor fixing plate 25 in the upright back plate 24 have bearing block fixing threaded hole around arbor through-hole 45 64, the plane after the upright back plate 24 of motor fixing plate 25, the power motor 50 is located at motor fixing plate 25 Upper plane；Motor output shaft 56 drives rotating crank 51 to rotate by the bearing of the crank pin holder assembly 60, and revolution is bent Handle 51 is rotatable to be fixed on 24 frontal plane of upright back plate, rotating crank 51 and is waved between sliding pivot pin 53 as spherical surface It is hinged；

There is side plate lug 26 in upright side plate 22 described in two pieces, there is side plate through-hole 27 on side plate lug 26, both sides The common fixed offset circular shaft 70 of side plate through-hole 27；

The rotation diaphragm 30 is symmetrical by classification sieve 39 and sieve foreboard 31 and sieve back plate 34 and two pieces Sieve side plate 32 is formed, and has three to five sieve support sticks 38, sieve between 34 bottom of 31 bottom of sieve foreboard and sieve back plate 38 both ends of support stick, which are respectively welded, is fixed on 34 bottom of 31 bottom of sieve foreboard and sieve back plate, and 38 support of sieve support stick classification sieve 39；Have in sieve back plate 34 and wave slip hole 35；It waves and a slip hole bushing 33 is interference fitted on slip hole 35, slide It 33 endoporus of hole bushing and waves between sliding 53 outer circle of pivot pin to be slidably matched；

U-shaped groove 37 is respectively provided on two blocks of symmetrical sieve side plates 32, U-shaped groove 37 is located at the offset circular shaft On 70.

In Fig. 1, in Fig. 7, Fig. 8 and Fig. 9, between the movement locus of the convex spherical body 55 and the offset circular shaft 70 For space parallel position relationship, the U-shaped groove 37 and described wave between slip hole 35 as spatial vertical position relationship； The sliding pivot pin 53 that waves makees can have axial sliding during swinging motion up and down in slip hole 35 is waved, and driving rotation moves Dynamic sieve 30 is whole to make swinging motion back and forth centered on deviating 70 axial line of circular shaft；The sliding pivot pin 53 that waves makees left and right partially During shifting movement, driving rotation diaphragm 30 is whole to make left and right offset movement back and forth on offset circular shaft 70.

As being further improved：In Figure 10 and Figure 12,51 medial surface of rotating crank has through-hole central shaft 52, returns Turning 51 lateral surface of crank has revolution bent axle 54, and 54 end of revolution bent axle is crankshaft end-face 84, and crankshaft end-face 84 has bent axle step Through-hole 91；There is sphere plane 85 on convex spherical body 55, there is sphere screw hole 92 in sphere plane 85；Turn round bent axle 54 and convex spherical body It is fixedly connected between 55 by sphere screw 93 so that sphere plane 85 is close to be fixed on crankshaft end-face 84.

Described waving has half spherojoint 80 in sliding 53 inner termination of pivot pin, have hemispherical plane on half spherojoint 80 81, there is in hemispherical plane 81 half spherical-concave-surface 59 of center and hemisphere screw hole 82；There is 89 He of through-hole concave spherical surface on hemisphere cover board 58 Cover plate through hole 83.

Hemisphere screw 88 is connect after passing through cover plate through hole 83 with 82 thread fitting of hemisphere screw hole, and hemisphere cover board 58 is fixed on In hemispherical plane 81, through-hole concave spherical surface 89 and half spherical-concave-surface 59 of center form more than half concave spherical surface together, which will be convex Spherical surface body 55 be slidably matched containing form spherical surface be hinged.

As being further improved：In Figure 11, the bearing of the crank pin holder assembly 60 includes bearing seat 61 and pedestal cap 71, there is on pedestal cap 71 flap central through hole 75 and flap fixed hole 74, have the flap convex on 71 inner face of pedestal cap Circle 72；There are pedestal fixed hole 68 and pedestal endoporus shoulder block 67 in 61 inner end of bearing seat, and there is pedestal bearing in 61 outer end of bearing seat Hole 69 and pedestal fixing threaded hole 76；

There is center shaft through-hole 57 on through-hole central shaft 52, setting center shaft key groove 98 in center shaft through-hole 57, central shaft Keyway 98 is matched with motor flat key 65, and motor output shaft 56 is matched with center shaft through-hole 57；

There are central shaft changeover portion 94 and central shaft outer circle 96, central shaft outer circle 96 and center on the through-hole central shaft 52 There is outer circle shoulder block 95 between axis changeover portion 94, there is clamp spring groove 97 in 96 outer end of central shaft outer circle, axis is provided on clamp spring groove 97 With clamp spring 77, axis clamp spring 77 limits 66 axial displacement of clutch shaft bearing 62 and second bearing, 62 inner ring of clutch shaft bearing and second Bearing spacer 79 is set between 66 inner ring of bearing, 62 endoporus of clutch shaft bearing and 66 endoporus of second bearing with outside through-hole central shaft 52 Fit tolerance between circle is interference fit, and 62 outer circle of clutch shaft bearing and 66 outer circle of second bearing are between pedestal bearing hole 69 Fit tolerance be transition cooperation；

Described waving sliding pivot pin 53 and deviate 70 outer round surface of circular shaft has the hard of one layer of 0.22-0.24 millimeters thick Evanohm coating.

As being further improved：The hard chromium alloy material is made of the element of following weight percent：Chromium: 12.5%th, titanium:3.5%th, molybdenum:3.2%th, tungsten：2.8%th, nickel:1.5%th, carbon：0.65%th, manganese:0.8%th, zinc:0.2%, surplus for Fe and Inevitable impurity；The weight percent content of the impurity is：Silicon is 0.004%, sulphur 0.05%, phosphorus 0.03%, should The rockwell superficial hardness number of hard chromium alloy material is HRC65；

The slip hole bushing 33 uses copper-base powder metallurgy self-lubricating abrasion-proof material, and the copper-base powder metallurgy is certainly Lubricating and wear-resisting material including following components, forms by mass percentage：Nickel：2.8%；Graphite：2.5%；Molybdenum disulfide：2.2%, it is remaining It measures as copper；The granularity of the nickel is 150 mesh, and the granularity of graphite is 75 mesh, and molybdenum disulfide is micelle pulvis, purity 94%, copper Granularity is 180 mesh；The pressing pressure of 33 green compact of slip hole bushing is 240MPa.

As being further improved：The wear-resisting carbon of c-type for having a layer thickness to be 1.32 millimeters on 37 surface of U-shaped groove is fine Modified polyetheretherketonefiber composite material is tieed up, the wear-resisting carbon fiber modifying polyether-ether-ketone composite material of the c-type is by following weight percent Element forms：Polyether-ether-ketone resin 48%, polyflon 12.9%, polyimide resin 11.3%, carbon fiber 5.7%, leech Stone 7.8%, parithenolide 7.7%, feldspar in powder 4.8%, surplus are compatilizer（Also known as bulking agent）.

As being further improved：In Fig. 1, Fig. 2 and Fig. 5, the collection drawer 40 is by drawer's bottom plate 41, drawer's both side plate 42nd, drawer's back plate 44 and drawer's foreboard 43 are formed, and have drawer's knob 12 on drawer's foreboard 43.

In embodiment, for distinguishing the dried,ing shelled shrimps of large and small two grades：

First, number of assembling steps

（One）, the horizonal base plate 11 on whole box-frame 20 be positioned over 10 top of device chassis and fixed, four motors installations Power motor 50 is fixed on plane on motor fixing plate 25 by screw, and motor output shaft 56 passes through arbor through-hole 45；

（Two）, in advance the flap central through hole 75 on pedestal cap 71 is sleeved on 94 position of central shaft changeover portion, successively will 66 endoporus of second bearing is inserted in central shaft outer circle 96 so that 66 inner ring of second bearing resists outer circle shoulder block 95, by bearing spacer 79 Endoporus is inserted in central shaft outer circle 96, then will 62 endoporus of clutch shaft bearing be inserted in central shaft outer circle 96, finally with specific purpose tool by axis It is placed in clamp spring groove 97 with clamp spring 77, axis clamp spring 77 limits 66 axial displacement of clutch shaft bearing 62 and second bearing；

（Three）, clutch shaft bearing 62 on through-hole central shaft 52 and 66 outer ring of second bearing be sequentially loaded into pedestal bearing hole 69 It is interior so that 62 outer ring of clutch shaft bearing resists the pedestal endoporus shoulder block 67, and four bearing cap screws 78, which pass through flap and fix, to be led to Hole 74 is connect with 76 thread fitting of pedestal fixing threaded hole, pedestal cap 71 is fixed on 61 outer end face of bearing seat, flap is convex Circle 72 resists 66 outer ring of second bearing；

（Four）, four bearings make screw 63 and pass through pedestal fixed hole 68 and connect with 64 thread fitting of bearing block fixing threaded hole It connects, bearing of the crank pin holder assembly 60 is fixed on upright 24 frontal plane of back plate；

（Five）, in advance by hemisphere cover board 58 be sleeved on revolution 54 outer circle of bent axle on, sphere screw 93 passes through bent axle step through-hole 91 are threadedly coupled with sphere screw hole 92, and sphere plane 85 is close to be fixed on crankshaft end-face 84 so that convex spherical body 55 is with returning Turn the fastening of bent axle 54 to be integral；

（Six）, half spherical-concave-surface 59 of center in hemispherical plane 81 is directed at convex spherical body 55, hemisphere screw 88 is passed through into lid Plate through-hole 83 is connect with 82 thread fitting of hemisphere screw hole, and hemisphere cover board 58 is fixed in hemispherical plane 81, it is ensured that described is convex It is hinged between spherical surface body 55 and half spherical-concave-surface 59 of center for spherical surface；

（Seven）, choose mesh number and be suitably classified sieve 39 and be placed on sieve support stick 38 and fixed, will first wave sliding Sliding pivot pin 53 is waved in the alignment of hole 35 so that waves sliding pivot pin 53 and is inserted into and waves slip hole 35；Again by two blocks of sieve side plates U-shaped groove 37 on 32 is placed on offset circular shaft 70, and assembling finishes.

2nd, screening step

（One）, choose sample to be screened and dried, shelled shrimps 10-12 kilograms and pour on classification sieve 39, turn on the power motor 50, Motor output shaft 56 transmits torque by motor flat key 65, and driving rotating crank 51 rotates；

（Two）, rotating crank 51 is while rotate, by between half spherical-concave-surface 59 of convex spherical body 55 and center Spherical surface is hinged, and driving waves sliding pivot pin 53 and makees compound motion：It waves sliding pivot pin 53 and had not only made swinging motion, but also control up and down Offset movement back and forth.

Since the U-shaped groove 37 on rotation diaphragm 30 can have both been deviated on offset circular shaft 70 during 70 axial line of circular shaft is The heart rotates, and can also move linearly along offset circular shaft 70.

Rotating crank 51 drives hinged the made upper and lower displacement resolute of spherical surface, and driving is waved sliding pivot pin 53 together with pendulum Turn 30 entirety of diaphragm and make swinging motion back and forth centered on deviating 70 axial line of circular shaft together.At this point, wave sliding pivot pin 53 There is axial sliding in slip hole 35 is waved；

Rotating crank 51 drives hinged the made upper and lower displacement resolute of spherical surface, and driving is waved sliding pivot pin 53 together with pendulum Turn 30 entirety of diaphragm and make left and right offset movement back and forth on offset circular shaft 70 together.It is being waved at this point, waving sliding pivot pin 53 Without axial sliding in slip hole 35.

（Three）, the driving of rotating crank 51 wave sliding pivot pin 53 and act as compound motion together with rotation diaphragm 30 whole one, Achieve the effect that imitate and manually rock rotation diaphragm 30 so that select dried,ing shelled shrimps for size of mesh opening more than classification sieve 39 and be left on In rotation diaphragm 30, select dried,ing shelled shrimps for size of mesh opening less than classification sieve 39 and pass through classification 39 mesh of sieve and fall to collection Among drawer 40, the large and small grade screening that sample is dried,ed shelled shrimps is finished.

The present invention has prominent Substantial technical structure feature using above-mentioned, and following significant progress is directly brought to imitate Fruit：

（One）, the present invention use convex spherical body 55 movement locus and offset circular shaft 70 between for space parallel position pass System, slip hole 35 and U-shaped groove 37 are waved in setting on rotation diaphragm 30, and U-shaped groove 37 and wave between slip hole 35 and be Spatial vertical position relationship, the U-shaped groove 37 allowed on rotation diaphragm 30 can both deviate 70 axis of circular shaft on offset circular shaft 70 It rotates centered on heart line, linear movement activities can also be made along offset circular shaft 70；Pass through with reference to motor output shaft 56 Bearing of the crank pin holder assembly 60 drive rotating crank 51 rotate, using rotating crank 51 and wave sliding pivot pin 53 between be Spherical surface is hinged；Accomplish that the driving of rotating crank 51 waves sliding pivot pin 53 and acts as compound fortune together with rotation diaphragm 30 whole one It is dynamic, achieve the effect that imitate and manually rock rotation diaphragm 30, realizing imitation, manually rocking rotation diaphragm 30 comes screening area Separate the large and small different grades of purpose in ocean.The artificial range estimation of fixed dimension mesh screening replacement is selected using classification sieve 39 to open Foreign physical size, screening class more standard, improves production efficiency, reduces labor intensity.

（Two）, wave sliding pivot pin 53 and offset 70 outer round surface of circular shaft have one layer of hard chrome alloy layer, can reduce Roughness improves outer round surface smooth degree, and frictional resistance is small, more durable.Copper-base powder metallurgy self-lubricating abrasion-resistant material The slip hole bushing 33 of material and wave sliding pivot pin 53 between realize oil-free lubrication, without hand oiling lubricate.U-shaped 37 table of groove There is the wear-resisting carbon fiber modifying polyether-ether-ketone composite material of one layer of c-type on face, realize nothing between U-shaped groove 37 and offset circular shaft 70 Oil lubrication reduces frictional resistance.

Claims

The classified screening device 1. hard evanohm is dried,ed shelled shrimps, including device chassis (10), whole box-frame (20), rotation diaphragm (30), drawer (40) and power motor (50) and bearing of the crank pin holder assembly (60) are collected, the whole box-frame (20) is by water Flat underside (11) is formed with upright foreboard (21) and upright back plate (24) and two pieces of upright side plates (22), horizonal base plate (11) Above device chassis (10), device chassis (10) below there are four universal wheel (14), it is characterized in that：

There is drawer to be open (23) on the upright foreboard (21), have collection drawer (40) that can put into or take at drawer's opening (23) Go out；Organic shaft through-hole (45) and motor fixing plate (25) in the upright back plate (24), arbor through-hole (45) surrounding have bearing Seat fixing threaded hole (64), motor fixing plate (25) is perpendicular to the upright back plate (24) plane afterwards, the power motor (50) plane on motor fixing plate (25)；Motor output shaft (56) is driven back by the bearing of the crank pin holder assembly (60) Turn crank (51) to rotate, rotating crank (51) is rotatable to be fixed on described upright back plate (24) frontal plane, revolution Crank (51) and waving is hinged for spherical surface between sliding pivot pin (53)；

Upright side plate described in two pieces (has side plate lug (26), there is side plate through-hole (27), both sides on side plate lug (26) on 22 The common fixed offset circular shaft (70) of side plate through-hole (27)；

The rotation diaphragm (30) is right by classification sieve (39) and sieve foreboard (31) and sieve back plate (34) and two pieces The sieve side plate (32) of title is formed, and has three to five sieve supports between sieve foreboard (31) bottom and sieve back plate (34) bottom Stick (38), sieve support stick (38) both ends, which are respectively welded, is fixed on sieve foreboard (31) bottom and sieve back plate (34) bottom, sieve Support stick (38) holds in the palm classification sieve (39)；Have in sieve back plate (34) and wave slip hole (35)；It waved on slip hole (35) Be full of and be combined with a slip hole bushing (33), slip hole bushing (33) endoporus and wave sliding pivot pin (53) outer circle between for slide Cooperation；

U-shaped groove (37) is respectively provided on two blocks of symmetrical sieve side plates (32), U-shaped groove (37) is justified positioned at the offset On axis (70).
The classified screening device 2. hard evanohm according to claim 1 is dried,ed shelled shrimps, it is characterized in that：The rotating crank (51) medial surface has through-hole central shaft (52), and rotating crank (51) lateral surface has revolution bent axle (54), revolution bent axle (54) End is crankshaft end-face (84), and crankshaft end-face (84) has bent axle step through-hole (91)；Convex spherical body has sphere plane on (55) (85), there is sphere screw hole (92) in sphere plane (85)；It turns round between bent axle (54) and convex spherical body (55) by sphere screw (93) it is fixedly connected；

Described waving has half spherojoint (80) in sliding pivot pin (53) inner termination, have hemispherical plane on half spherojoint (80) (81), there is half spherical-concave-surface of center (59) and hemisphere screw hole (82) in hemispherical plane (81)；There is through-hole on hemisphere cover board (58) Concave spherical surface (89) and cover plate through hole (83).
The classified screening device 3. hard evanohm according to claim 1 is dried,ed shelled shrimps, it is characterized in that the crank axle bearing Component (60) includes bearing seat (61) and pedestal cap (71), has flap central through hole (75) and seat on pedestal cap (71) Lid fixed hole (74) has flap flange collar (72) on pedestal cap (71) inner face；Bearing seat (61) inner end has pedestal to fix There are pedestal bearing hole (69) and pedestal fixing threaded hole in through-hole (68) and pedestal endoporus shoulder block (67), bearing seat (61) outer end (76)；

On through-hole central shaft (52) have center shaft through-hole (57), the interior setting center shaft key groove (98) of center shaft through-hole (57), in Mandrel keyway (98) is matched with motor flat key (65), and motor output shaft (56) is matched with center shaft through-hole (57)；

Have central shaft changeover portion (94) and central shaft outer circle (96) on the through-hole central shaft (52), central shaft outer circle (96) with There is outer circle shoulder block (95) between central shaft changeover portion (94), there are clamp spring groove (97), clamp spring groove in central shaft outer circle (96) outer end (97) axis clamp spring (77) is provided on, axis limits clutch shaft bearing (62) and the axial position of second bearing (66) with clamp spring (77) Move, between clutch shaft bearing (62) inner ring and second bearing (66) inner ring set bearing spacer (79), clutch shaft bearing (62) endoporus with Fit tolerance of second bearing (66) endoporus between through-hole central shaft (52) outer circle is interference fit, and clutch shaft bearing (62) is outside The fit tolerance of circle and second bearing (66) outer circle between pedestal bearing hole (69) coordinates for transition；

Wave the sliding pivot pin (53) and offset circular shaft (70) outer round surface has the hard of one layer of 0.22-0.24 millimeters thick Evanohm coating.
The classified screening device 4. hard evanohm according to claim 1 is dried,ed shelled shrimps, it is characterized in that the hard evanohm Material is made of the element of following weight percent：Chromium:12.4~12.6%, titanium:3.4~3.6%, molybdenum:3.1~3.3%, tungsten： 2.7~2.9%, nickel:1.4~1.6%, carbon：0.64~0.66%, manganese:0.7~0.9%, zinc:0.1~0.3%, surplus for Fe and Inevitable impurity；The weight percent content of the impurity is：Silicon is less than less than 0.005%, sulphur less than 0.06%, phosphorus 0.04%, the rockwell superficial hardness number of the hard chromium alloy material is HRC64~66；

The slip hole bushing (33) is moistened certainly using copper-base powder metallurgy self-lubricating abrasion-proof material, the copper-base powder metallurgy Sliding wear-resistant material, including following components, forms by mass percentage：Nickel：2.7~2.9%；Graphite：2.4~2.6%；Curing Molybdenum：2.1~2.3%, surplus is copper；The granularity of the nickel is 140~160 mesh, and the granularity of graphite is 70~80 mesh, molybdenum disulfide For micelle pulvis, purity is 93%~95%, and the granularity of copper is 170~190 mesh；The compacting of described slip hole bushing (33) green compact Pressure is 230~250MPa.
The classified screening device 5. hard evanohm according to claim 1 is dried,ed shelled shrimps, it is characterized in that the U-shaped groove (37) There is the wear-resisting carbon fiber modifying polyether-ether-ketone composite material of c-type that a layer thickness is 1.31 ~ 1.33 millimeters on surface, the c-type is wear-resisting Carbon fiber modifying polyether-ether-ketone composite material is made of the element of following weight percent：Polyether-ether-ketone resin 47 ~ 49%, poly- four Fluoroethylene resin 12.8 ~ 13.0%, polyimide resin 11.2 ~ 11.4%, carbon fiber 5.6 ~ 5.8%, vermiculite 7.7 ~ 7.9%, little Bai Chrysanthemum lactone 7.6 ~ 7.8%, feldspar in powder 4.7 ~ 4.9%, surplus are compatilizer.