CN207086289U - A kind of preserved fruit Multi-stage screening machine - Google Patents

Abstract

The utility model discloses a kind of preserved fruit Multi-stage screening machine；It includes support, vibrating mechanism and multistage sieve nest, and the multistage sieve nest includes：Connect frame, clamping backplate, screen frame, suppression structure and grading discharge cover；The support is with being connected frame elastic connection；The vibrating mechanism is acted on connection frame；The clamping backplate is symmetrically disposed in connection frame both sides；Screen bed base is removably provided with the screen frame, multiple screen frames are superimposed and are clamped between the clamping backplate up and down；The suppression structure is located on clamping backplate and acted on screen frame；The grading discharge cover is removably attachable to described clamping backplate one end, and grading discharge cover has multiple discharging openings, and each discharging opening is corresponding with the screen frame；The utility model is reasonable in design, easy to use to carry out multistage screening to preserved fruit, the quick-replaceable of screen bed base can be carried out according to the screening requirements of different preserved fruits, while can obtain more screening effect.

Description

A kind of preserved fruit Multi-stage screening machine

Technical field

It the utility model is related to technical field of agricultural mechanical equipment, and in particular to a kind of preserved fruit Multi-stage screening machine.

Background technology

Existing preserved fruit screening machine, screen cloth, which is set, to be fixed, and is not easy to change screen cloth, it is impossible to which adapting to different preserved fruit screenings needs Ask；In screening process, by screen movement track influenceed preserved fruit sizing screening is ineffective, be not easy to classification recovery.

Utility model content

The purpose of this utility model is to be directed to problems of the prior art, there is provided a kind of reasonable in design, use Convenient preserved fruit Multi-stage screening machine；Quick-replaceable can be carried out to screen bed base to adapt to different preserved fruit screening requirements, can be obtained more preferably Screening effect, beneficial to classification reclaim different size demand preserved fruit.

The technical solution adopted in the utility model is to achieve the above object：

A kind of preserved fruit Multi-stage screening machine, including support, vibrating mechanism and multistage sieve nest, the multistage sieve nest include：Connection Frame, clamping backplate, screen frame, suppression structure and grading discharge cover；

The support is with being connected frame elastic connection；

The vibrating mechanism is acted on connection frame；

The clamping backplate is symmetrically disposed in connection frame both sides；

Screen bed base is removably provided with the screen frame, multiple screen frames are superimposed up and down and are clamped in the clamping backplate Between；

The suppression structure is located on clamping backplate and acted on screen frame；

The grading discharge cover is removably attachable to described clamping backplate one end, and grading discharge cover has multiple dischargings Mouthful, and each discharging opening is corresponding with the screen frame；

Further, the screen frame is three frame structures, and shelves bar is provided with screen frame inwall；The screen bed base is by housing and fixation Screen cloth on housing is formed；The housing can be entrenched in screen frame and be held on grade bar；

Further, the both sides of the neighbouring clamping backplate of the screen frame are provided with multiple flexible wheel constructions, the flexible wheel construction bag Include：Holding tank, sliding block, roller and spring；

The holding tank is opened at screen frame lower edge；

The sliding block is adapted with tank and lower surface is provided with groove；

The roller is hinged in the groove；

The spring one end is connected with holding tank roof, the other end and upper end of slide block face connect；

Further, it is provided with V-arrangement stopper slot at the both sides upper edge of the neighbouring clamping backplate of the screen frame；

Further, the suppression structure includes：Fix bar, screw bolt and nut；

The fix bar is connected between clamping backplate；

The bolt-through fix bar and both sides and nut cooperation above and below fix bar, and bolt end holds and sieved On frame edge；

Further, the grading discharge cover includes bending baffle plate and guide groove, and multiple dischargings are opened up on the bending baffle plate Mouthful, the guide groove is located at discharge outlet；

Further, leaf spring elastic connection is passed through between the support and connection frame；The leaf spring is connected by spring block bolt It is connected on support and connection frame both sides；

Further, the leaf spring is in tilted layout, and its horizontal sextant angle is 30 ° ~ 60 °；

Further, the vibrating mechanism includes：Motor, rotary shaft, eccentric wheel and connecting rod；

The motor passes through transmission belt and rotation axis connection；

The rotary shaft is rack-mount by bearing block；

The camshaft is to being fixedly mounted in rotary shaft；

Described connecting rod one end is hinged on the downside of connection frame, the other end is provided with bearing holder (housing, cover) and is connected to eccentric wheel by bearing On excircle.

The beneficial effects of the utility model are：

1st, multiple screen frames are superimposed and clamped by clamping backplate, town up and down in structure design by the utility model Laminated structure is suppressed, and screen frame is kept stable during vibrations, its overall construction design is compact, occupies little space；Solving After the suppression effect of suppression structure, any screen frame can be pulled out, and then the quick-replaceable of screen bed base can be facilitated, so as to for not The quick-replaceable of screen bed base is carried out with preserved fruit screening requirements, operation is more convenient；

2nd, the characteristics of the utility model can be compressed using flexible wheel construction so that screen frame can pass through town after being superimposed up and down Expanding pulley structure compresses make it that between screen frame effective rigid contact can be carried out by laminated structure, it is ensured that screen frame is fixed When stability, while release the wheel construction that stretches after suppression and ejected sliding block and roller using spring, screen frame is separated each other, profit Screen frame is set quickly to carry out draw operation with roller effect；The V-arrangement stopper slot of setting can coordinate with roller, can play the work of guiding With；Regularity when multiple screen frames are superimposed up and down is also can ensure that simultaneously, it is ensured that the smoothness of draw operation；Town is being carried out to screen frame During pressure, roller still coordinates with V-arrangement stopper slot, screen frame can be made to be formed each other along the square locking in roller axle center, further Stability during increase suppression.

3rd, in the utility model between multistage sieve nest and support by leaf spring carry out elastic connection, leaf spring it is diagonally disposed again without Other elastic restraints, while multistage sieve nest vibration also is driven using eccentric wheel structure, it so may be such that the vibrated of multistage sieve nest In journey have one obliquely with process of reciprocating vibration obliquely, so both using multistage sieve nest vibration drive preserved fruit to Grading discharge cover direction is moved, and is different from the screening mode that conventional linear moves back and forth again, one can be formed to the preserved fruit of screening Oblique ejection effect, can effectively slow down preserved fruit and damage and avoid preserved fruit to block screen cloth by screen cloth, preserved fruit can be achieved more preferably Screening effect.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is side structure schematic view of the present utility model；

Fig. 3 is overlooking the structure diagram of the present utility model.

Wherein：1- supports；2- vibrating mechanisms；3- connection frames；4- clamps backplate；5- screen frames；6- suppresses structure；7- is classified out Material cover；8- screen bed bases；9- shelves bars；10- holding tanks；11- sliding blocks；12- rollers；13- springs；14-V shape stopper slots；15- is fixed Bar；16- bolts；17- nuts；18- bending baffle plates；19- guide grooves；20- leaf springs；21- spring blocks；22- motors；23- rotary shafts； 24- eccentric wheels；25- connecting rods；26- bearing holder (housing, cover)s.

Embodiment

The utility model preferred embodiment is illustrated below in conjunction with accompanying drawing：

As shown in Figures 1 to 3, a kind of preserved fruit Multi-stage screening machine, including support 1, vibrating mechanism 2 and multistage sieve nest, wherein, branch Frame 1 is made up of four pieces of channel-section steel head and the tail quadras being formed by connecting and four supporting legs being fixed on below the quadra；Institute Stating multistage sieve nest includes：Connect frame 3, clamping backplate 4, screen frame 5, suppression structure 6 and grading discharge cover 7；Connection frame 3 is square box Frame, bottom are provided with articulated column and are used to realize connecting rod 25 with being connected being articulated and connected for frame 3；

Pass through the elastic connection of leaf spring 20 between support 1 and connection frame 3；The leaf spring 20 is bolted to by spring block 21 Support 1 and connection frame 3 both sides；Spring block 21 is made up of angle steel, and leaf spring 20, which amounts to, sets 20, in support 1 and connects frame 3 Both sides set ten respectively；The setting quantity can obtain more screening effect, in practical application, also can be according to use demand The quantity of the setting of leaf spring 20 is adjusted flexibly；Leaf spring 20 is in tilted layout, and its horizontal sextant angle is 30 ° ~ 60 °, so may be such that and is vibrating Under mechanism 2 acts on, multistage sieve nest can obtain causes multistage sieve nest with oscillation trajectory obliquely, different horizontal sextant angles obliquely With different vibration amplitudes, preferable 45 ° of horizontal sextant angle in actual application.

Vibrating mechanism 2 is acted on connection frame 3；Wherein vibrating mechanism 2 includes motor 22, rotary shaft 23, the and of eccentric wheel 24 Connecting rod 25；The motor 22 is connected by transmission belt with rotary shaft 23, and belt wheel is equipped with motor 22 and rotary shaft 23, rotation Pulley diameters on axle 23 are more than the pulley diameters on motor 22, and the deceleration of motor 22 so can be achieved after band connection by being driven Effect, motor 22 can be fixed on ground also on fixed support 1；The rotary shaft 23 is arranged on support 1 by bearing block； It is arranged in rotary shaft 23 axial restraint of eccentric wheel 24；Described one end of connecting rod 25 is hinged on the downside of connection frame 3, is another End provided with bearing holder (housing, cover) 26 and being connected to by bearing on the excircle of eccentric wheel 24, the other end of connecting rod 25 can be connected through a screw thread with Bearing holder (housing, cover) 26 connects, and the collapsing length of connecting rod 25 is so conveniently adjusted, beneficial to swelling leaf spring 20；One eccentric wheel 24 and a company The cooperation of extension bar 25 can be calculated as one group, settable two groups during practical application, be symmetrically arranged in rotary shaft 23, realize to connecting frame 3 stable push-and-pull action；Drive connection frame 3 to vibrate using eccentric wheel structure herein, a stable push-and-pull action can be obtained, when When coordinating with leaf spring 20, be easy to implement multistage sieve nest obliquely with process of reciprocating vibration, while also act as to leaf spring obliquely 20 effects being supported, leaf spring 20 is avoided to produce plastic deformation.

Clamping backplate 4 is symmetrically disposed in connection frame 3 both sides；It can specifically be bolted and be fixed on connection frame 3；Folder Hold backplate 4 be used for screen frame 5 is carried out clamping protection, correction 5 pull of screen frame when track, while clamp backplate 4 set when its Highly it is more than the whole height of screen frame 5 after being superimposed, i.e., the effect of convenient suppression structure 6, can play again prevents from being located at upside screen frame 5 The effect that preserved fruit is sifted out from both sides, it is also convenient for the connection and replacing of grading discharge cover 7.

Screen bed base 8 is removably provided with screen frame 5, multiple screen frames are superimposed about 5 and are clamped in the clamping backplate 4 Between；Wherein described screen frame 5 is three frame structures, and three surface frame is made up of a riser and two symmetrical side plates, symmetrical two Side end is additionally provided with fixed connecting rod and is used to increase structural strength, due to having lacked after a plate face can be easy to screen frame to be superimposed about 5 Discharging, be provided with shelves bar 9 in the inwall of screen frame 5, shelves bar 9 is mainly made up of long span bar and short shelves bar, and long span bar is located at the two of screen frame 5 On individual side plate and isometric with side plate, short shelves bar is located above long span bar and adjacent to the riser side of screen frame 5, and long span bar and short shelves bar can The support to screen bed base 8 and the clamping action of above-below direction are formed, realizes the fixation to screen bed base 8；The screen bed base 8 is by housing Formed with the screen cloth being fixed on housing；The housing can be entrenched in screen frame 5 and is held in above-below direction on grade bar 9；When After laterally pulling out screen frame 5, screen bed base 8 can be also laterally pulled out, is easy to the replacing of screen bed base 8.

The screen frame 5 that structure 6 is used for after fixed overlay is suppressed, it is located on clamping backplate 4 and acted on screen frame 5；Suppression Structure 6 includes：Fix bar 15, bolt 16 and nut 17；The fix bar 15 is connected between clamping backplate 4, and fix bar 15 is also It can play a part of fixing clamping backplate 4；The bolt 16 through fix bar 15 and fix bar about 15 both sides with it is described Nut 17 coordinates, and the end of bolt 16 is held on the edge of screen frame 5；, can be by screwing after unscrewing positioned at nut 17 of upside Nut 17 positioned at downside moves down bolt 16 and holds screen frame 5, is secured in a press screen frame 5, then screw the spiral shell positioned at upside Mother 17 can play stopping function, prevent bolt 16 from producing loosening.

Grading discharge cover 7 is realized using the cooperation of bolt and nut and is detachably connected, and is connected to the clamping backplate 4 one End, grading discharge cover 7 has multiple discharging openings, and each discharging opening is corresponding with the screen frame 5；Grading discharge cover 7 includes Bending baffle plate 18 and guide groove 19, multiple discharging openings are opened up on the bending baffle plate 18, the guide groove 19 is located at discharge outlet； Bending baffle plate 18 is coated the part of one end and top for clamping backplate 4 using its bending structure, and the end of screen frame 5 can be held On bending baffle plate 18；Screen frame 5 can be such that preserved fruit is flowed out from guide groove 19 after vibrating, and staff can be received outside guide groove 19 Collection.

Because screen frame 5 by the way of being superimposed up and down, so being needed 5 horizontal pull of screen frame when changing screen bed base 8, such as Fruit sets pulley on screen frame 5, then is easy to draw operation, but sets pulley that screen frame 5 can be made to realize rigid contact after being superimposed, Its structural stability is poor, after the effect of vibrating mechanism 2 screen frame 5 can be made vibrated and destroyed；Therefore can be in the neighbouring clamping of screen frame 5 The both sides of backplate 4 set multiple flexible wheel constructions, and the both sides of the neighbouring clamping backplate 4 of screen frame 5 are exactly the biside plate of screen frame 5, each On side plate can uniform four flexible wheel constructions, the flexible wheel construction includes：Holding tank 10, sliding block 11, roller 12 and spring 13； The holding tank 10 is opened at the lower edge of screen frame 5；The sliding block 11 is adapted with tank and lower surface is provided with groove；It is described Roller 12 is hinged in the groove；Described one end of spring 13 is connected with the roof of holding tank 10, the other end and the upper surface of sliding block 11 Connection；Promote the extrusion spring 13 of sliding block 11 and stretch into receive in groove 10 in the suppression suppression of structure 6 effect bottom roller 12, make adjacent sieve Frame 5 realizes rigid contact, and after suppression effect is released, spring 13, which can extrude sliding block 11, makes adjacent screen frame 5 separate each other, is rolling Wheel 12 in the presence of can be easily and fast realize draw operation；Using more convenient, beneficial to the replacing of screen bed base 8.

Due to having certain gap between clamping backplate 4 and screen frame 5, when screen frame 5 carries out draw operation, screen frame 5 can be made Misplace each other, also need to manually adjust, made troubles to the operation for changing screen bed base 8, therefore the neighbouring clamping backplate 4 of screen frame 5 Both sides upper edge at be provided with V-arrangement stopper slot 14, i.e., be provided with V-arrangement stopper slot 14 at the upper edge of the biside plate of screen frame 5, V-arrangement limit Position groove 14 can pair roller 12 be oriented to；The cooperation of V-arrangement stopper slot 14 and flexible wheel construction, also acts as the effect of limitation locking, Screen frame 5 can be made to form a stable entirety；When screen frame 5 is suppressed by suppression structure 6, roller 12 still with V-arrangement stopper slot 14 Coordinate, a restraining force along the axial direction of roller 12 can be formed, make be axially formed locking along roller 12 between adjacent screen frame 5, limited Position processed movement, it can be ensured that stability during vibration, it is safer during use.

The course of work and principle of the present utility model：

In actual application, two or three can be set in screen frame 5, specific to set quantity to be determined according to screening requirements, The screen number of screen bed base 8 can be selected flexibly in screen frame 5；Exemplified by three screen frames 5 are set, the sieve of three different meshes can be set Rack 8, the screening of different preserved fruit sizes is realized, may also set up two of which has a screen bed base 8 of identical mesh number, two Finer screening operation can be achieved in the superposition of screen bed base 8 of identical mesh number, obtains more screening effect；Initial screening state Laminated for three screen frames about 5, and one end is held on grading discharge cover 7, screen frame 5 suppresses fixation by suppression structure 6；Start electricity Machine 22, it would be desirable to which the preserved fruit of screening pours into from positioned at the screen frame 5 of upside, and motor 22 drives 23 turns of rotary shaft using transmission belt Dynamic, rotary shaft 23 is rotated with movable eccentric wheel 24, and eccentric wheel 24 is swung in bearing effect lower band moving axis bearing sleeve 26, and bearing holder (housing, cover) 26 drives Connecting rod 25 is swung, and connecting rod 25 pulls connection frame 3, and leaf spring 20 is acted also on connection frame 3, so in the reciprocal of connecting rod 25 Under pull effect, connection frame 3 reciprocally covers leaf spring 20, because leaf spring 20 is angularly disposed, so connection frame 3 is oblique with one It is upper to promote preserved fruit is oblique on screen bed base 8 to sieve with reciprocating movement obliquely, the motion process, compared to routine Linear reciprocation sieves, and it can promote preserved fruit transverse shifting on screen bed base 8, be easy to discharge, while can also form one to preserved fruit Individual oblique ejection effect, can promote preserved fruit to screen, effectively avoid preserved fruit from blocking sieve screen apertures, slow down the damage to preserved fruit；Connection The vibration of frame 3 can drive the synchronous vibration of screen frame 5, the screening through different meshes screen bed base 8, and satisfactory preserved fruit can be from being classified out The export of material cover 7, operating personnel can be collected at guide groove 19.

When changing screen bed base 8, motor 22 is first set to be stopped；Unscrew the nut 17 of the upper and lower sides of bolt 16；Now, screen frame Flexible wheel construction on 5 starts to act, and spring 13 extrudes sliding block 11 and roller 12, separates adjacent screen frame 5；It is now available The cooperation of roller 12 and V-arrangement stopper slot 14 quickly pulls out any screen frame 5 next；Then reversely sieve is made along pull screen frame 5 Rack 8 is pulled out from shelves bar 9, then screen bed base 8 is thoroughly taken out from screen frame 5, it would be desirable to which the screen bed base 8 of replacing is put into screen frame In 5, and screen bed base 8 is set to be held in grade bar 9；After changing screen bed base 8；Promote screen frame 5 to make each screen frame 5 hold be classified out On material cover 7；Operation suppression structure 6 suppresses screen frame 5, and sliding block 11 and roller 12 are pressed into holding tank 10 when screen frame 5 is covered, sliding Block 11 has part prominent and coordinated with V-arrangement stopper slot 14, and screen frame 5 realizes rigid contact；If suppressed during vibration screening Structure 6 loosens, and flexible wheel construction may also function as swelling effect, it is ensured that stabilization, safety during vibration；Motor can finally be started 22 carry out screening operation.

In application process, when setting up the quantity of required screen frame 5, grading discharge cover 7 need to be changed to match simultaneously The quantity of screen frame 5, when the quantity of screen frame 5 needed for reduction, grading discharge cover 7 can be changed without.

Finally it should be noted that：The preferred embodiment of utility model is the foregoing is only, is not limited to practicality It is new, although utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, its The technical scheme described in foregoing embodiments can still be modified, or which part technical characteristic is equal Replace.All spirit in utility model any modification, equivalent substitution and improvements made etc., should be included in reality with principle Within new protection domain.

Claims (9)

1. a kind of preserved fruit Multi-stage screening machine, including support (1), vibrating mechanism (2) and multistage sieve nest, it is characterised in that described more Level sieve nest includes：Connect frame (3), clamping backplate (4), screen frame (5), suppression structure (6) and grading discharge cover (7)；

The support (1) is with being connected frame (3) elastic connection；

The vibrating mechanism (2) is acted on connection frame (3)；

The clamping backplate (4) is symmetrically disposed in connection frame (3) both sides；

Screen bed base (8) is removably provided with the screen frame (5), multiple screen frames (5) are superimposed and are clamped in the folder up and down Hold between backplate (4)；

The suppression structure (6) is located on clamping backplate (4) and acted on screen frame (5)；

The grading discharge cover (7) is removably attachable to described clamping backplate (4) one end, and grading discharge cover (7) has multiple Discharging opening, and each discharging opening is corresponding with the screen frame (5).

A kind of 2. preserved fruit Multi-stage screening machine as claimed in claim 1, it is characterised in that the screen frame (5) is three frame structures, Shelves bar (9) is provided with screen frame (5) inwall；The screen bed base (8) is made up of housing and the screen cloth being fixed on housing；The housing It can be entrenched in screen frame (5) and be held on a grade bar (9).

A kind of 3. preserved fruit Multi-stage screening machine as claimed in claim 2, it is characterised in that the neighbouring clamping backplate of the screen frame (5) (4) both sides are provided with multiple flexible wheel constructions, and the flexible wheel construction includes：Holding tank (10), sliding block (11), roller (12) and Spring (13)；

The holding tank (10) is opened at screen frame (5) lower edge；

The sliding block (11) is adapted with tank and lower surface is provided with groove；

The roller (12) is hinged in the groove；

Described spring (13) one end is connected with holding tank (10) roof, the other end and sliding block (11) upper surface connect.

A kind of 4. preserved fruit Multi-stage screening machine as claimed in claim 3, it is characterised in that the neighbouring clamping backplate of the screen frame (5) (4) V-arrangement stopper slot (14) is provided with both sides upper edge.

5. a kind of preserved fruit Multi-stage screening machine as claimed in claim 1, it is characterised in that the suppression structure (6) includes：It is fixed Bar (15), bolt (16) and nut (17)；

The fix bar (15) is connected between clamping backplate (4)；

Through fix bar (15) and in fix bar (15), both sides coordinate the bolt (16) with the nut (17) up and down, and bolt (16) end is held on screen frame (5) edge.

6. a kind of preserved fruit Multi-stage screening machine as claimed in claim 1, it is characterised in that the grading discharge cover (7) includes folding Curved baffle plate (18) and guide groove (19), multiple discharging openings are opened up on the bending baffle plate (18), the guide groove (19) is located at out At material mouth.

A kind of 7. preserved fruit Multi-stage screening machine as claimed in claim 1, it is characterised in that the support (1) be connected frame (3) it Between pass through leaf spring (20) elastic connection；The leaf spring (20) is bolted to support (1) and connection frame (3) by spring block (21) Both sides.

A kind of 8. preserved fruit Multi-stage screening machine as claimed in claim 7, it is characterised in that the leaf spring (20) is in tilted layout, its Horizontal sextant angle is 30 ° ~ 60 °.

9. a kind of preserved fruit Multi-stage screening machine as claimed in claim 1, it is characterised in that the vibrating mechanism (2) includes：Motor (22), rotary shaft (23), eccentric wheel (24) and connecting rod (25)；

The motor (22) is connected by transmission belt with rotary shaft (23)；

The rotary shaft (23) is arranged on support (1) by bearing block；

It is arranged in rotary shaft (23) eccentric wheel (24) axial restraint；

Described connecting rod (25) one end is hinged on the downside of connection frame (3), the other end is provided with bearing holder (housing, cover) (26) and is connected by bearing On eccentric wheel (24) excircle.