CN208842717U - A kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit - Google Patents

Abstract

The utility model discloses a kind of oxygenation grain device of full automatic packaging blanking dust-extraction units, belong to packing machinery technology, solves the technical issues of generating a large amount of dusts in blanking, its key points of the technical solution are that a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit, including body, the bottom end of body is provided with workbench, rotation is provided with packaging disk on workbench, the circumferential direction of packaging disk is connected with folder bag hand, the center point liftable rotation of packaging disk is provided with out bag fork component, upper bag assembly is successively fixedly installed along the circumferential direction of packaging disk on workbench, support mouth component, blanking component, closing component and steel seal component, the blanking component includes the material-falling hopper that can move up and down, dust excluding hood is fixedly installed on material-falling hopper, dust excluding hood is located at material-falling hopper close to the side of bottom end and opening is directed toward material-falling hopper, Dust excluding hood is provided with and communicated with dust removing tube, achievees the effect that reduce dust in blanking.

Description

A kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit

Technical field

The utility model relates to packaging machinery field, in particular to a kind of oxygenation grain is filled with device of full automatic packaging blanking dedusting It sets.

Background technique

Oxygenation grain is sent into device of full automatic packaging after compression moulding, through feeding device by oxygenation grain, is then passed through entirely certainly Dynamic packing machine packs it.

Existing to can refer to the Chinese patent that notification number is CN203439316U, it discloses a kind of full-automatic mechanical swing arms Bag-feeding type package machine, including can continuously go up bag lifting device, printing equipment, open the bag device, doffer, closing device, folder bag Device and a bag fork device is opened, can upper bag lifting device include continuously rack, lifting device, storage bag device, regulating device, suction bag dress It sets and bag delivering device, a pair of side plates is installed in regulating device, storage bag device is fixed on side plate, and bag arrangement is arranged in storage bag The front of device.By above-mentioned packing machine, two movements are saved than bag in original level during upper bag, transmission is quick, Production efficiency is greatly improved, and shortens the production cycle, has saved hand labor cost.

But above-mentioned packing machine can inevitably generate a large amount of dust in blanking, it, can be to work if handling not in time The working environment of people causes large effect, to endanger the health of worker.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of oxygenation grain fully-automatic packagings Machine blanking dust-extraction unit achievees the effect that reduce dust in blanking.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of oxygenation grain is used entirely certainly Dynamic packing machine blanking dust-extraction unit, including body, the bottom end of body are provided with workbench, and rotation is provided with packaging circle on workbench Disk, the circumferential direction for packing disk are connected with folder bag hand, and the center point liftable rotation for packing disk is provided with out bag fork component, On workbench along packaging disk circumferential direction be successively fixedly installed upper bag assembly, support mouth component, blanking component, closing component with And steel seal component, the blanking component include the material-falling hopper that can move up and down, and dust excluding hood, dedusting are fixedly installed on material-falling hopper Cover is located at material-falling hopper close to the side of bottom end and opening is directed toward material-falling hopper, and dust excluding hood is provided with and communicated with dust removing tube.

Through the above technical solutions, a large amount of oxygenation grain carries out being packaged into product by device of full automatic packaging, packed Journey are as follows: upper bag assembly provides packaging bag, and packaging bag is clamped by folder bag hand, drives packaging bag by support mouth by packaging disk rotational Component is softened, and distracted packaging bag carries out blanking charging at blanking component, and is opened bag fork component and further support mouth, finally Sealing, the date printed at steel seal component at closing component are turned to, entire packaging process is completed.And during blanking, It can be mingled with from the oxygenation grain material that material-falling hopper gets off or generate a large amount of dust, if handling not in time, can be diffused into air Very big injury is caused to the body of staff, therefore by the dust excluding hood of opening direction material-falling hopper by dust absorbing, and lead to Dust removing tube discharge is crossed, the content of dust is greatly reduced.

Preferably, the workbench is fixedly installed vertical guide assembly, guide assembly packet close to the side of material-falling hopper The top fixation of the second cylinder for including first cylinder affixed with workbench and being slidably connected with the first cylinder, the second cylinder is set It is equipped with connecting plate, fixed plate is fixedly installed on material-falling hopper, fixed spiral shell is inserted between connecting plate, fixed plate and dust excluding hood Column.

Through the above technical solutions, due to device of full automatic packaging in order to which blanking is convenient, material-falling hopper be can on move down Dynamic, while moving up and down, the second cylinder slides up and down material-falling hopper in the first cylinder, and dust excluding hood passes through connecting plate, consolidates Fixed board and fixed bolt are detachably fixed with the second support body to be connect, on the one hand allow dust excluding hood more steadily with blanking Bucket moves up and down together, on the other hand easy to disassemble, convenient for being cleared up dust excluding hood or being replaced in time.

Preferably, the dust excluding hood is in open-like shape close to the opening of material-falling hopper, and gradually away from one end of material-falling hopper Necking.

Through the above technical solutions, dust excluding hood is in open-like shape close to the opening of material-falling hopper, therefore to the assimilation effect of dust More comprehensively, one end gradually necking far from material-falling hopper, so that dust can flock together and can smoothly enter into after being absorbed In dust removing tube, and then further increase dust removing effects.

Preferably, filter screen is fixedly installed at the communicating position of the dust excluding hood and dust removing tube, the filter opening ruler of filter screen The very little size less than oxygenation grain.

Through the above technical solutions, have some oxygenation grains during dedusting and accidentally enter in dust excluding hood, this When by setting filter screen, oxygenation grain can be filtered, prevent oxygenation grain to be discharged by dust excluding hood and dust removing tube and make At waste.

Preferably, the dust removing tube is bellows.

Through the above technical solutions, bellows can change shape, shrinkage is preferable, therefore using bellows as dedusting Pipe, on the one hand convenient for placing dust removing tube, the vibration of another aspect machine influences also smaller caused by dust removing tube, improves The service life of dust removing tube.

Preferably, being placed with splicing bucket on workbench immediately below the material-falling hopper.

Through the above technical solutions, failing to open packaging bag when in the support mouth stage, device of full automatic packaging is in blanking component Place will not blanking, but machine inevitably will appear failure, and when the disposable blanking of oxygenation grain in packaging bag excessively from And after diffusing out packaging bag, the oxygenation grain fallen can be caught by splicing bucket to recycle, to greatly reduce waste.

Preferably, the support mouth component includes a pair of of the support pig's tongue being oppositely arranged, supports and be fixedly installed one group of phase on pig's tongue Pair support oral sucker.

Through the above technical solutions, when packaging bag is by packaging disk rotational to support mouth component station, opposite support mouth Sucker is driven by support pig's tongue, draws in the two sides of packaging bag, then supports pig's tongue and is located remotely from each other, opens certain angle, thus band Dynamic support oral sucker struts the sack of packaging bag, supports the setting of oral sucker so that the support mouth success rate of packaging bag greatly improves.

Preferably, the body includes upper layer and lower layer, staircase is erected between upper layer and ground.

Through the above technical solutions, the upper layer that the setting of staircase can climb to body in order to staff is gone to overhaul.

Preferably, the topmost edge of the body is fixedly installed railing.

Through the above technical solutions, the setting of railing is so that the operation of staff for being located at body upper layer is ensured, Improve safety.

In conclusion the utility model has the following beneficial effects:

1, by the way that affixed dust excluding hood opposite with material-falling hopper is arranged, the dust that oxygenation grain blanking operation generates is reduced；

2, stability is moved up and down by what setting guide assembly improved dust excluding hood and material-falling hopper；

3, by the way that splicing bucket is arranged in the bottom end of material-falling hopper, the waste of oxygenation grain is reduced.

Detailed description of the invention

Fig. 1 is the general structure schematic diagram of the utility model；

Fig. 2 is the partial structural diagram concealed after the body of upper layer；

Fig. 3 is the partial enlargement diagram in Fig. 2 at A；

Fig. 4 is the partial enlargement diagram in Fig. 2 at B；

Fig. 5 is the partial enlargement diagram in Fig. 2 at C；

Fig. 6 is the structural schematic diagram of upper bag assembly；

Fig. 7 is storage bag platform and associated modular construction schematic diagram；

Fig. 8 is the partial enlargement diagram in Fig. 7 at D.

Appended drawing reference: 1, body；11, workbench；111, disk is packed；112, folder bag hand；113, bag fork component is opened；12, Staircase；13, railing；2, upper bag assembly；21, storage bag platform；211, locating clip；2111, bottom plate；2112, locating fork；212, slide bar； 2121, waist-shaped hole；213, sliding stud is limited；214, sliding slot；215, placement plate；2151, sliding block；2152, positioning plate；2153, baffle； 216, blend stop；2161, support bar；217, item is hidden；2171, support plate；218, sliding shoe；2181, lead screw；2182, leading axle； 22, clamping piece；23, bag taking cylinder；231, bag taking telescopic shaft；232, mounting plate；233, vacuum chuck；3, mouth component is supportted；31, it supports Mouth frame；32, pig's tongue is supportted；321, oral sucker is supportted；4, material-falling hopper；41, dust excluding hood；411, filter screen；42, dust removing tube；43, fixed Plate；44, guide assembly；441, the first cylinder；442, the second cylinder；4421, connecting plate；45, fixed bolt；46, splicing bucket；5, Closing component；6, steel seal component.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.

A kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit, as shown in Figure 1, including body 1, the bottom end of body 1 Centre rotation for workbench 11, workbench 11 is provided with packaging disk 111, packs the top surface center liftable of disk 111 It is rotatably connected to out bag fork component 113, the circumferential of packaging disk 111 is fixedly installed multiple folder bag hands 112 according to circumferential arrangement, Workbench 11 is disposed with upper bag assembly 2, support mouth component 3, blanking component, closing component 5 along the circumference of packaging disk 111 And steel seal component 6, the packaging process of oxygenation grain are as follows: upper bag assembly 2 provides packaging bag, and packaging bag is clamped by folder bag hand 112, Packaging bag is driven to be softened by support mouth component 3 by the packaging rotation of disk 111, distracted packaging bag carries out at blanking component Blanking charging, and bag fork component 113 further support mouth is opened, finally turn to sealing at closing component 5, at steel seal component 6 Date printed completes entire packaging process.

In conjunction with Fig. 2 and Fig. 4, it includes the support mouth frame 31 affixed with workbench 11 and hinged with support mouth frame 31 for supportting mouth component 3 Connected a pair of of support pig's tongue 32, a pair of support pig's tongue 32 is fixedly installed support oral sucker 321 on face facing each other, when folder bag hand 112 clamp packaging bag when turning between a pair of of support oral sucker 321, and the suction by supportting oral sucker 321 opens sack.

Fig. 1 is reviewed, body 1 includes upper layer and lower layer structure, and general upper layer is for keeping in oxygenation grain, the upper layer setting of body 1 There is staircase 12, staircase 12 is abutted with ground, by the setting of staircase 12 superstructure of body 1 is overhauled in time, machine The edge on 1 upper layer of body is further fixedly arranged on multiple railings 13, prevents staff from the upper layer of body 1 by the setting of railing 13 It falls, improves safety.

As shown in Figure 1, blanking component includes material-falling hopper 4, the top of material-falling hopper 4 connects in open-like shape and with the upper layer of body 1 Logical, material-falling hopper 4 in order to facilitate blanking and prevents material unrestrained in blanking, thus the setting of material-falling hopper 4 be usually can more than Lower movement, the bottom sides of material-falling hopper 4 are fixedly installed dust excluding hood 41, and dust excluding hood 41 is open-like shape towards 4 side of material-falling hopper Opening, and dust excluding hood 41, away from the side gradually necking of material-falling hopper 4, dust excluding hood 41 is set far from the end connection of material-falling hopper 4 It is equipped with dust removing tube 42, dust removing tube 42 is bellows.It can be in blanking operation by the setting of dust excluding hood 41 and dust removing tube 42 The dust of generation is discharged in time, reduces injury of the dust to staff.

In conjunction with Fig. 2 and Fig. 3, the side of dust excluding hood 41 is provided with guide assembly 44, guide assembly 44 include vertically with work The second cylinder 442 the first affixed cylinder 441 of platform 11 and be slidably connected with the first cylinder 441, the top of the second cylinder 442 It is nearby fixedly installed connecting plate 4421, the bottom end vicinity of material-falling hopper 4 is fixedly installed fixed plate 43, and connecting plate 4421 is fixed Plate 43 is erected on the port top of dust excluding hood 41, the corresponding position of 41 three of connecting plate 4421, fixed plate 43 and dust excluding hood Place offers screw hole, and fixed bolt 45 is inserted in screw hole, by fixed bolt 45 can by dust excluding hood 41 and material-falling hopper 4 into Row is fixedly connected with each other, and the setting of guide assembly 44 is so that dust excluding hood 41 is more smooth, firm with moving up and down for material-falling hopper 4 Gu.

As shown in Figure 1, the underface of material-falling hopper 4 is provided with splicing bucket 46, the setting of splicing bucket 46 can be by some from falling The oxygenation grain that hopper 4 is inadvertently fallen off is collected, and in order to later period recycling, reduces waste.

In conjunction with Fig. 2 and Fig. 3, filter screen 411, filter screen are fixedly installed at the communicating position of dust excluding hood 41 and dust removing tube 42 411 filter pore size is less than the size of oxygenation grain, therefore dust excluding hood 41 can pass through the mistake of filter screen 411 when absorbing dust Filter effect, prevents some oxygenation grains to be strayed into dust removing tube 42 and is siphoned away together, reduces the loss of oxygenation grain.

In conjunction with Fig. 2 and Fig. 6, upper bag assembly 2 includes the storage bag platform 21 fixed with 11 phase of workbench, is located at 21 side of storage bag platform And in storage bag platform 21 and pack the clamping piece 22 between disk 111 and the bag taking cylinder 23 immediately below storage bag platform 21. Clamping piece 22 includes that a fixed frame and hinged manipulator opposite with fixed frame, manipulator are connected with actuator (in figure not It shows).When in use, generally large batch of packaging bag is temporarily put on storage bag platform 21, then bag taking cylinder 23 is from storage bag platform 21 Bottom starts gradually to take packaging bag, recycles the manipulator of clamping piece 22 to carry out clamping bag after taking.

In conjunction with Fig. 2 and Fig. 6, bag taking cylinder 23 has bag taking telescopic shaft 231, and bag taking telescopic shaft 231 is vertical upward, top End is fixedly connected with mounting plate 232, as the length direction of storage bag platform 21, then to pacify towards or away from the direction of packaging disk 111 The length direction of loading board 232 is consistent with the length direction of storage bag platform 21, and 232 upper surface of mounting plate is set along the fixation of length direction Multiple vacuum chucks 233 are equipped with, when needing to take packaging bag, bag taking cylinder 23 drives bag taking telescopic shaft 231 to stretch out, and inhales vacuum Disk 233 is contacted and is drawn with the bottom surface of packaging bag, and then bag taking telescopic shaft 231 is shunk, to drive packaging bag from storage bag platform 21 On fall off, finally the packaging bag that vacuum chuck 233 is sucked is clamped by clamping piece 22 and is sent between two folder bag hands 112, complete Entirely upper bag process.

In conjunction with Fig. 2 and Fig. 5, the middle position of storage bag platform 21 is provided with locating clip 211, and locating clip 211 includes bottom plate 2111 and a pair of of the locating fork 2112 relatively affixed with bottom plate 2111, locating fork 2112 is vertical upward, and bottom plate 2111 is towards packet A part is extended in the direction of dress disk 111, and locating clip 211 is fixedly installed slide bar 212 far from one end of packaging disk 111, Waist-shaped hole 2121 is offered on slide bar 212, the length direction of waist-shaped hole 2121 is consistent with the length direction of storage bag platform 21, and slide bar 212 ride upon on the one end of storage bag platform 21 far from packaging disk 111, and the sliding stud 213 of limit is inserted in waist-shaped hole 2121, limits sliding spiral shell Column 213 is threadedly coupled with storage bag platform 21.Using the adjustable locating clip 211 of slide bar 212 with a distance from packaging disk 111, adjustment After will limit that sliding stud 213 is fixed to be inserted in waist-shaped hole 2121 and be threadedly coupled with storage bag platform 21 again, limiting sliding stud 213 can To fix locating clip 211, it will not loosen, slide easily.

In conjunction with Fig. 7 and Fig. 8, a pair of of placement plate 215 is additionally provided on storage bag platform 21, a pair of of placement plate 215 is facing each other, and The length direction of the two is consistent with the length direction of storage bag platform 21, and the length direction both ends of placement plate 215 are fixedly installed sliding block 2151, the corresponding position of storage bag platform 21 offers sliding slot 214 compatible with sliding block 2151, sliding slot 214 open up direction with The length direction of placement plate 215 is perpendicular.By the sliding slider 2151 in sliding slot 214, adjustable two pieces of placement plates 215 it Between distance.Vertical positioning plate 2152 is fixedly installed in two pieces of placement plates 215, two pieces of positioning plates 2152 are facing each other, And still there are surpluses for placing packaging bag between two pieces of positioning plates 2152 for placement plate 215.

In conjunction with Fig. 2 and Fig. 6, placement plate 215 is fixedly installed baffle 2153 close to one end of packaging disk 111 vertically, keeps off Plate 2153 is integrally formed perpendicular to positioning plate 2152 and with positioning plate 2152, and the bottom end of baffle 2153 is also equipped with horizontal plate Body is for placing packaging bag.Therefore the packaging bag being temporarily stored on storage bag platform 21 is placed on two pieces of positioning plates 2152 and positioning Between fork 2112 and baffle 2153, so that the surrounding of packaging bag is limited, place relatively stable.Meanwhile when packaging bag When specification changes, the distance between adjustable two pieces of placement plates 215 and adjustment limit sliding stud 213 in waist type Position in hole 2121 adapts to various sizes of packaging so as to adjust the distance between locating clip 211 and baffle 2153, with this Bag improves applicability.

As shown in fig. 7, the bottom of two placement plates 215 is fixedly installed sliding shoe 218, two sliding shoes 218 are mutual Face, and lead screw 2181 is inserted between sliding shoe 218, lead screw 2181 is threadedly coupled with two sliding shoes 218, and lead screw 2181 It is threaded to reverse thread relationship with two sliding shoes 218, the end that lead screw 2181 passes through one of sliding shoe 218 is solid Surely it is provided with the handwheel convenient for rotation.Lead screw 2181 is driven to rotate by rotation handwheel, to adjust between two pieces of placement plates 215 Distance, can be fixed again by the screw thread self-locking of lead screw 2181 after adjustment, improve the convenience of adjusting and steady It is qualitative.

As shown in fig. 7, leading axle 2182 is slidably connected between two pieces of sliding shoes 218, leading axle 2182 and lead screw 2181 In parallel, and the both ends of leading axle 2182 are each passed through sliding shoe 218 and affixed with storage bag platform 21.The setting of leading axle 2182 so that The adjustment of the distance between two placement plates 215 is more smooth.

As shown in fig. 7, the bottom of bottom plate 2111 is fixedly connected with a pair of blend stop 216 downwards, and a pair of of blend stop 216 It is overlapped with a pair of of 2112 extending direction of locating fork, the two is integrally formed, and the bottom of blend stop 216, which is fixedly installed, to be horizontally directed to pack The support bar 2161 of disk 111, bag taking cylinder 23 drive vacuum chuck 233 to remove packaging bag, and will be true using clamping piece 22 The packaging bag that suction disk 233 is sucked is clamped be delivered on folder bag hand 112 during, clamping piece 22 on vacuum chuck 233 to inhaling The impact force that packaging bag firmly generates can make packaging bag retreat, and since the setting of blend stop 216 can make packaging bag will not Excessively retreating causes bag process to have some setbacks, and the setting of support bar 2161, so that packaging bag bottom is supported, raising is wrapped Pack the stability on vacuum chuck 233.

As shown in fig. 7, placement plate 215 is fixedly connected with a pair downwards close to one end bottom of packaging disk 111 Item 217 is hidden, each bottom for hiding item 217 is fixedly connected to support plate 2171, and a pair of of support plate 2171 is facing each other, and a pair of Line between support plate 2171 is vertical with the length direction of storage bag platform 21, the height of support plate 2171 and the height of support bar 2161 Degree is consistent, and packaging bag can be limited close to two sides of packaging 111 one end of disk by hiding item 217, so that pressing from both sides when upper bag Bag hand 112 presss from both sides more accurate, and support plate 2171 is combined with support bar 2161 and carries out comprehensive support to packaging bag, improves The stability of upper bag.

The working principle of the utility model is as follows: the device of full automatic packaging is before use, be placed on storage for packaging bag first It on bag platform 21, and is sandwiched in wherein by locating clip 211, baffle 2153 and positioning plate 2152, so that the placement of packaging bag is more Stablize, then bag taking cylinder 23 drives 231 uplink of bag taking telescopic shaft, the packaging bag of vacuum chuck 233 and 21 bottommost of storage bag platform It contacts and is sucked, the packaging bag downlink that then bag taking telescopic shaft 231 drives vacuum chuck 233 and is sucked, packaging bag downlink To after being contacted with support plate 2171 and support bar 2161,22 setting in motion of clamping piece, the packaging bag that vacuum chuck 233 is sucked Folder bag hand 112 is clamped and is sent to, during clamping piece 22 clamps packaging bag, impact force that clamping piece 22 generates packaging bag It is blocked by blend stop 216, is impacted to avoid packaging bag and move back and can not smoothly be clamped.And working as needs packaging bag ruler to be offered When very little specification changes, it can drive two pieces of placement plates 215 are mobile, adjust limit to slide stud 213 in waist type with rotational lead screw 2181 Adaptability is improved so that storage bag platform 21 can place various sizes of packaging bag in position in hole 2121.

After folder bag hand 112 clamps packaging bag, packaging disk 111 drives packaging bag to rotate together, and turns to support mouth group first At part 3, two support pig's tongues 32 drive support oral sucker 321 and the two sides of packing bag mouth to be sucked, and so latter two support pig's tongue 32 is mutual It separates, to the sack that packaging is opened be strutted in order to charge.After sack is softened, packaging disk 111 continues to drive packaging bag Turn at blanking component, material-falling hopper 4 is directed at the packing bag mouth that is softened, towards packaging bag in fall oxygenation grain, in blanking During, the dust of generation then passes through dust excluding hood 41 and dust removing tube 42 is removed, and reduction dust is diffused to be caused into air Dust pollution.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (9)

1. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit, including body (1), the bottom end of body (1) are provided with work Make platform (11), rotation is provided with packaging disk (111) on workbench (11), and the circumferential direction of packaging disk (111) is connected with folder The center point liftable rotation of bag hand (112), packaging disk (111) is provided with out bag fork component (113), edge on workbench (11) Packaging disk (111) circumferential direction be successively fixedly installed bag assembly (2), support mouth component (3), blanking component, closing component (5) and steel seal component (6), it is characterised in that: the blanking component includes the material-falling hopper (4) that can move up and down, material-falling hopper (4) it is fixedly installed on dust excluding hood (41), dust excluding hood (41) is located at material-falling hopper (4) close to the side of bottom end and opening is directed toward blanking It struggles against (4), dust excluding hood (41) is provided with and communicated with dust removing tube (42).

2. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit according to claim 1, it is characterised in that: described Workbench (11) is fixedly installed vertical guide assembly (44) close to the side of material-falling hopper (4), guide assembly (44) include with The second cylinder (442) workbench (11) affixed the first cylinder (441) and be slidably connected with the first cylinder (441), second The top of cylinder (442) is fixedly installed connecting plate (4421), and fixed plate (43), connecting plate are fixedly installed on material-falling hopper (4) (4421), it is inserted between fixed plate (43) and dust excluding hood (41) fixed bolt (45).

3. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit according to claim 1, it is characterised in that: described Opening of the dust excluding hood (41) close to material-falling hopper (4) is in open-like shape, and away from one end gradually necking of material-falling hopper (4).

4. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit according to claim 1, it is characterised in that: described It is fixedly installed filter screen (411) at the communicating position of dust excluding hood (41) and dust removing tube (42), the filter pore size of filter screen (411) Less than the size of oxygenation grain.

5. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit according to claim 1, it is characterised in that: described Dust removing tube (42) is bellows.

6. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit according to claim 1, it is characterised in that: described Splicing bucket (46) are placed on workbench (11) immediately below material-falling hopper (4).

7. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit according to claim 1, it is characterised in that: described Support mouth component (3) includes a pair of of support pig's tongue (32) being oppositely arranged, and is fixedly installed one group of opposite support mouth in support pig's tongue (32) Sucker (321).

8. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit according to claim 1, it is characterised in that: described Body (1) includes upper layer and lower layer, and staircase (12) are erected between upper layer and ground.

9. a kind of oxygenation grain device of full automatic packaging blanking dust-extraction unit according to claim 8, it is characterised in that: described The topmost edge of body (1) is fixedly installed railing (13).