CN206068204U - Double bagging and weighing packers - Google Patents
Double bagging and weighing packers Download PDFInfo
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- CN206068204U CN206068204U CN201621106030.1U CN201621106030U CN206068204U CN 206068204 U CN206068204 U CN 206068204U CN 201621106030 U CN201621106030 U CN 201621106030U CN 206068204 U CN206068204 U CN 206068204U
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- weighing
- fork
- blanking
- rotating disk
- hopper
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Abstract
This utility model is related to a kind of pair of bagging and weighing packer, belong to edible fungi technical field, there is provided a kind of simple structure, packed using automatic Weighing, double bagging and weighing packers of high working efficiency, the technical scheme for being adopted is for including the rotating disk being rotatably installed on mainframe, the push-plate link gear for promoting rotating disk rotation and the bag opening mechanism for packaging bag to be inserted in blanking barrel are provided with rotating disk, and for the blanking mechanism of weighing of automatic Weighing blanking, bag opening mechanism is for being inserted in blanking barrel by packaging bag, push-plate link gear promotes the blanking barrel for packaging bag to be moved to the station of blanking mechanism of weighing, blanking mechanism of weighing is weighed to material, and automatic blanking loads in packaging bag；This utility model is widely used in the automatic Weighing pack of edible fungi.
Description
Technical field
This utility model is related to a kind of pair of bagging and weighing packer, belongs to edible fungi technical field.
Background technology
Edible fungi can be edible macro fungis, containing rich in protein, aminoacid and bioactive substance, have
Very high edibility and medical value.
In order to meet the supply requirement of edible fungi, edible fungi is planted using packed compost generally.Edible packaging is packed
The main body of compost is the polygonal schistose granular wood flour crushed by hardwood, will be added in polygonal schistose granular wood flour
Aid nutrition material, such as Testa Tritici etc., then add water stirring, loads plastic bag after stirring, and the compost for installing bag is passed through
High temperature sterilize, accesses strain after cooling, place after cultivating maturation under certain circumstances, you can growing edible fungus.
But when compost is packed, mostly using manual operations, need manually to weigh the compost of constant weight
Load in packaging bag, labor intensity is high, inefficiency.
Utility model content
To solve the technical problem that prior art is present, this utility model provides a kind of simple structure, using title automatically
Bag rebagged, double bagging and weighing packers of high working efficiency.
For achieving the above object, the technical scheme adopted by this utility model is double bagging and weighing packers, including rotation
Rotating disk on mainframe, is provided with the push-plate link gear for promoting rotating disk rotation and for wrapping on the rotating disk
The bag opening mechanism that pack is strutted, and for the blanking mechanism of weighing of automatic Weighing blanking, the bag opening mechanism is used for will packaging
Bag is inserted in blanking barrel, and push-plate link gear promotes the blanking barrel for packaging bag to be moved to the station of blanking mechanism of weighing, blanking of weighing
Mechanism weighs to material, and automatic blanking loads in packaging bag.
Preferably, the push-plate link gear mainly rotates column and locating rotation column structure by cam disc, push rod, fork
Into one end of push rod is hinged on the central shaft of rotating disk, and the other end of push rod is provided with cuts somebody's hair, corresponding, rotating disk
Provided circumferentially about to have multiple blocks of cutting somebody's hair, the fork rotates column and locating rotation column is installed on mainframe, described
Fork rotates column and locating rotation column is respectively positioned on the side of rotating disk, and the fork rotates and promotion pendulum is fixed with column
Bar, the upper end for promoting fork are hinged with swing connecting bar, and the end of the swing connecting bar is hinged on the middle part of push rod, described
Promotion fork roller is provided with the middle part of upper promotion fork；
The top of the locating rotation column is rotatablely equipped with positioning fork, and lower rotational is provided with lower positioning fork,
Positioning fork roller is provided with the upper positioning fork, alignment pin is provided with the lower positioning fork, is corresponded
, multiple locating slots are provided with the lower circumference of rotating disk, are provided between the promotion fork roller and positioning fork roller
Cam disc, the cam disc are arranged on mainframe by bearing block, and motor is provided with the cam disc, described above to push away
Back-moving spring is provided with driven fork and lower positioning fork.
Preferably, buffer fixed mount is additionally provided with the mainframe, the buffer fixed mount is located under rotating disk
Side, is provided with guiding feed rod on the mainframe, the buffer fixed mount is slidably mounted on guiding feed rod, and the buffer is solid
Determine on frame, to be fixed with buffer, on the lower circumference of corresponding rotating disk, be provided with multiple buffering locating pieces, the fork
The bottom for rotating column is additionally provided with lower promotion fork, and the upper middle part of promotion fork and the end of lower promotion fork are respectively provided with
There is promotion bearing pin, the promotion bearing pin is used to promote buffer fixed mount to slide along feed rod is oriented to, on the buffer fixed mount
It is provided with buffering return spring.
Preferably, the blanking mechanism of weighing includes weighing bracket, quantitative hopper, material-falling hopper, weigh hopper, described to weigh
Support is arranged on mainframe, and at the top of the sidepiece of rotating disk, the weighing bracket is provided with multiple weigh hoppers, is weighed
Quantitative hopper is provided with the top of hopper, multiple tremie pipes on the quantitative hopper, are provided with, tremie pipe is with weigh hopper one by one
Correspondence is connected, and is provided with spiral conveyer structure, conveying motor, institute are provided with the spiral conveyer structure in the tremie pipe
State conveying motor to be fixed on quantitative hopper, the bottom of the weigh hopper is respectively arranged with material-falling hopper, the tremie pipe and title
Blanking control valve is provided between heavy burder bucket, between weigh hopper and material-falling hopper.
Preferably, stirring vane is provided with the quantitative hopper, the sidepiece of the material-falling hopper is provided with fixed mount, described
Feeding motor is provided with fixed mount, blanking stirring vane, the blanking stirring vane and feeding in the material-falling hopper, is provided with
The output shaft of motor is connected, and gas blow pipe is additionally provided with the fixed mount, and the gas blow pipe is extended in material-falling hopper.
Preferably, the bag opening mechanism includes the blade installation set being uniformly arranged on disk peripheral and lifting cylinder, institute
Multiple support bag blades are provided with the lower circumference for stating blade installation set, the support bag blade is arranged on blade by spring hinge
In installation set, support bag cylinder is provided with the blade installation set, flange, the lifting gas at the top of the support bag cylinder, is provided with
Cylinder is fixed on mainframe, and fixed plate is provided with the piston rod of lifting cylinder, and the two ends of the fixed plate are respectively arranged with one
To the U-type groove for clamp flange.
Preferably, rolling bearing is provided with the support bag blade.
Preferably, contour plate is provided between the blade installation set, the contour plate is fixed on rotating disk, and contour plate
It is highly identical with flange.
Compared with prior art, this utility model has following technique effect：This utility model simple structure, operation side
Just, rotating disk automatic switchover loading station is promoted using push-plate link gear, turns to the sack put on bagging station and weigh
The bottom of pack device, blanking mechanism of weighing are weighed to material automatically, and in automatic blanking bag, and go to compacting station
Material in bag is compacted, then the bag for installing is removed by output station again, is completed whole work process, whole process without
Need to manually operate, be automatically performed above-mentioned operation, material bagging weight accuracy is high, effectively reduces the labor intensity of workman, reduces
Production cost, improve production efficiency.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation of bag opening mechanism in this utility model.
Top views of the Fig. 3 for Fig. 2.
Structural representations of the Fig. 4 for this utility model Leaf installation set.
Fig. 5 is the structural representation of push-plate link gear in this utility model.
Fig. 6 is the schematic cross-section of push-plate link gear in this utility model.
Top views of the Fig. 7 for Fig. 5.
Specific embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect become more apparent, with
Lower combination drawings and Examples, are further elaborated to this utility model.It should be appreciated that concrete reality described herein
Example is applied only to explain this utility model, be not used to limit this utility model.
As shown in figure 1, including the rotating disk 1 being rotatably installed on mainframe, being provided with rotating disk 1 for promoting rotating disk to rotate
Push-plate link gear and the bag opening mechanism for packaging bag to be inserted in blanking barrel, and weigh for automatic Weighing blanking
Material mechanism, for packaging bag is inserted in blanking barrel, push-plate link gear promotes the blanking barrel for packaging bag to be moved to title to bag opening mechanism
The station of weight blanking mechanism, blanking mechanism of weighing are weighed to material, and automatic blanking loads in packaging bag.
Wherein, as shown in Fig. 1, Fig. 3, Fig. 5 to Fig. 7, push-plate link gear is mainly rotated by cam disc 2, push rod 3, fork
Column 4 and locating rotation column 5 are constituted, and one end of push rod 3 is hinged on the central shaft of rotating disk 1, and the other end of push rod 3 is provided with
Cut somebody's hair 6, corresponding, the provided circumferentially about of rotating disk 1 there are multiple blocks 7 of cutting somebody's hair, and fork rotates column 4 and locating rotation is vertical
Post 5 is rotatably installed on mainframe, and fork rotates column 4 and locating rotation column 5 is respectively positioned on the side of rotating disk 1, and fork turns
Promotion fork 8 is fixed with dynamic column 4, the upper end for promoting fork 8 is hinged with swing connecting bar 9, the end hinge of swing connecting bar 9
The middle part of push rod 3 is connected on, the middle part of upper promotion fork 8 is provided with promotion fork roller 10；The top of locating rotation column 5 rotates
Positioning fork 11 is installed, lower rotational is provided with lower positioning fork 12, is provided with positioning fork and leans on upper positioning fork 11
Wheel 13, is provided with alignment pin 14 on lower positioning fork 12, corresponding, is provided with multiple in the lower circumference of rotating disk 1
Locating slot, to promote and be provided with cam disc 3 between fork roller 10 and positioning fork roller 13, and cam disc 3 is pacified by bearing block 15
It is mounted on mainframe, motor 47 is provided with cam disc 3, is provided with upper promotion fork 8 and lower positioning fork 12 multiple
Position spring 16.
Buffer fixed mount 17 is additionally provided with mainframe, buffer fixed mount 17 is located at the lower section of rotating disk 1, on mainframe
Guiding feed rod 18 is provided with, buffer fixed mount 17 is slidably mounted on guiding feed rod 18, is fixed with slow on buffer fixed mount 17
Device 19 is rushed, multiple buffering locating pieces 20 on the lower circumference of corresponding rotating disk 1, are provided with, fork is rotated under column 4
Portion is additionally provided with the end of lower promotion fork 21, the upper middle part for promoting fork 8 and lower promotion fork 12 and is provided with promotion bearing pin
22, promote bearing pin 22 to be used to promote buffer fixed mount 17 to slide along feed rod 18 is oriented to, be provided with buffer fixed mount 17 slow
Rush return spring 23.
When being operated, motor is rotated push-plate link gear, drives cam disc to turn clockwise.Fork is promoted to lean on
Wheel and cam disc directly contact, can reduce the frictional force between part.Cam disc is rotated to promote and promotes fork to rotate around fork
Column is rotated, and promotes swing connecting bar to promote push rod to rotate around disk middle spindle, and push rod is turned counterclockwise by promotion rotating disk of cutting somebody's hair
It is dynamic.When cam disc continues to rotate, push rod 90 degree of swings back and forth are driven, makes rotating disk continue 90 degree of intermittent rotaries.Cam disc is rotated
While, also drive fork, lower positioning fork are positioned around the rotation of locating rotation column.As positioning is correspondingly arranged on rotating disk
Groove, after rotating disk stops, the alignment pin on lower positioning fork is just stuck in locating slot.Cam disc is rotated, and is in rotating disk and is stopped
The only movement position before state, alignment pin in the presence of back-moving spring make to position fork and are closely against disk peripheral face
On, and the and then motion of rotating disk, cam disc is rotated further the locating slot for promoting alignment pin to depart from rotating disk, is again that rotating disk turns
It is dynamic to prepare.
In above process, bearing pin is promoted to be separately mounted to promote the bottom of fork and the end of lower promotion fork.
Upper promotion fork and lower promotion fork are promoted when rotating, and promote bearing pin that buffer fixed mount can be promoted to slide along feed rod is oriented to,
Buffer is made to move to a certain position before rotating disk stops.Push rod continues to press on rotating disk rotation, make buffering locating piece on rotating disk with
Buffer contacts, and rotating disk collision rift gradually slows down, until rotating disk stops.After rotating disk stops, push rod back swings, and buffer is solid
Frame is determined in the presence of buffering return spring, return to initial position, and so on move.
As shown in figure 1, blanking mechanism of weighing includes weighing bracket 24, quantitative hopper 25, material-falling hopper 26, weigh hopper 27,
Weighing bracket 24 is arranged on mainframe, and positioned at the sidepiece of rotating disk 1, the top of weighing bracket 24 is provided with multiple weigh hoppers
27, the top of weigh hopper 27 is provided with quantitative hopper 25, is provided with multiple tremie pipes 28 on quantitative hopper 25, tremie pipe 28 with
Weigh hopper 27 is corresponded and is connected, and is provided with spiral conveyer structure 29 in tremie pipe 28, is arranged on spiral conveyer structure 29
There is conveying motor 30, conveying motor 30 is fixed on quantitative hopper 25, the bottom of weigh hopper 27 is respectively arranged with material-falling hopper 26,
Blanking control valve 31 is provided between tremie pipe 28 and weigh hopper 27, between weigh hopper 27 and material-falling hopper 26.
Wherein, stirring vane 32 is provided with quantitative hopper 25, the sidepiece of material-falling hopper 26 is provided with fixed mount 33, fixed mount
Feeding motor 34 is provided with 33, blanking stirring vane 35, blanking stirring vane 35 and feeding motor in material-falling hopper 26, is provided with
34 output shaft is connected, and gas blow pipe 36 is additionally provided with fixed mount 33, and gas blow pipe 36 is extended in material-falling hopper 26.
Blanking mechanism weigh when being operated, material imports quantitative hopper, stirring vane is stirred continuously, material is pushed
At tremie pipe, conveying motor drives spiral conveyer structure to rotate, and material is fallen in weigh hopper.During this, spiral conveying
The rotating speed of mechanism（Feeding speed）Change with the change of the reading numerical values of weigh hopper, wherein feeding speed is divided into：Supply at a high speed
Material, middling speed feed, low speed feed.When the weight set by pack will be reached, it is changed to low speed feed to ensure weight accuracy.
When weight reaches the numerical value of setting, conveying motor is at once out of service, and the control valve between tremie pipe and weigh hopper is closed
Close, block the passage that drops of material.
One circle of rotating disk has 8 bagging cylinders, often turn 90 degrees mobile 2 bagging cylinders, i.e. one-off and covers two empty bags, respectively
Fill two Bag Materials.After rotating disk is stopped in place, blanking starts.Control valve between weigh hopper and material-falling hopper is opened, while blanking
Stirring vane is rotated, and gas blow pipe starts to blow, and allows material smoothly to fall in the middle of in bag.When in weigh hopper, material is dropped completely
Afterwards, the control valve cut out between weigh hopper and material-falling hopper, completes one-off circulation.
Due to there is two pack positions, so there is two material-falling hoppers, correspondence position is A and B to rotating disk respectively, in order to improve pack
Speed, is provided with 4 weigh hoppers, and correspondence position is A1, A2, B1, B2 respectively.Also 4 spiral conveyer structures are corresponded to respectively.Start
Afterwards, the spiral conveyer structure action of 4 positions, after material of 4 heavy hoppers full of setting weight, the corresponding valve of A1, B1 blanking
Door is first opened（A2, B2 prepare）, after A, B blanking, push-plate action, after deep bid turn 90 degrees, is changed the corresponding valve of A2, B2 blanking and is beaten
Open（A1, B1 prepare）.Thus run repeatedly.
As shown in Figures 2 to 4, bag opening mechanism includes the blade installation set 37 being uniformly arranged on disk peripheral and lifts gas
Cylinder 38, is provided with multiple support bag blades 39 in the lower circumference of blade installation set 37, support bag blade 39 is pacified by spring hinge 40
It is mounted in blade installation set 37, support bag cylinder 41 is provided with blade installation set 37, at the top of support bag cylinder 41, flange 42 is provided with,
Lifting cylinder 38 is fixed on mainframe, and fixed plate 43, the two ends point of fixed plate 43 are provided with the piston rod of lifting cylinder 38
A pair U-type grooves 44 for clamp flange are not provided with.Rolling bearing 45 is provided with support bag blade 39, support bag cylinder is ensure that
Body smoothly can be moved up and down, and improve support bag pressure.Contour plate 46 is provided between blade installation set 37, contour plate 46 is solid
Determine on the turntable 1, and contour plate 46 is highly identical with flange 42.
After 90 degree of suspensions of turntable rotation, lifting cylinder drives fixed plate to be lifted, and the U-type groove that fixed plate bottom is arranged is stuck in
On the flange of support bag cylinder, up carrying for support bag cylinder is driven.Rolling bearing departs from the pressure of support bag cylinder, due to spring hinge
Elastic force effect, 6 uniform support bag blades closures.Meanwhile, packaging bag is enclosed within the outside of support bag blade, and lifting cylinder drives support
Bag cylinder declines, and in support bag cylinder insertion blade installation set, struts bag blade, packaging bag is strutted completely, and prevent bag
Pack is dropped.Then rotating disk is rotated, and the packaging bag for packaging moves to the station of blanking, is carried out blanking and is completed one-off circulation.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., all should wrap in this utility model model
In enclosing.
Claims (8)
1. pair bagging and weighing packer, it is characterised in that：Including the rotating disk being rotatably installed on mainframe, arrange on the rotating disk
There are the push-plate link gear for promoting rotating disk rotation and the bag opening mechanism for packaging bag is strutted, and be used for automatic Weighing
The blanking mechanism of weighing of blanking, for packaging bag is inserted in blanking barrel, push-plate link gear is promoted and packages bag the bag opening mechanism
Blanking barrel be moved to the station of blanking mechanism of weighing, blanking mechanism of weighing is weighed to material, and automatic blanking loads bag
In pack.
2. according to claim 1 pair of bagging and weighing packer, it is characterised in that：The push-plate link gear is mainly by convex
Wheel disc, push rod, fork rotate column and locating rotation column is constituted, and one end of push rod is hinged on the central shaft of rotating disk, push rod
The other end be provided with and cut somebody's hair, corresponding, the provided circumferentially about of rotating disk has multiple blocks of cutting somebody's hair, and the fork rotates vertical
Post and locating rotation column are installed on mainframe, and the fork rotates column and locating rotation column is respectively positioned on the one of rotating disk
Side, the fork rotate and promotion fork are fixed with column, and the upper end for promoting fork is hinged with swing connecting bar, described
The end of swing connecting bar is hinged on the middle part of push rod, is provided with promotion fork roller in the middle part of the upper promotion fork；
The top of the locating rotation column is rotatablely equipped with positioning fork, and lower rotational is provided with lower positioning fork, described
Positioning fork roller is provided with upper positioning fork, on the lower positioning fork, alignment pin is provided with, it is corresponding, turn
Multiple locating slots are provided with the lower circumference of disk, between the promotion fork roller and positioning fork roller, cam is provided with
Disk, the cam disc are arranged on mainframe by bearing block, and motor is provided with the cam disc, and upper the promotion is put
Back-moving spring is provided with bar and lower positioning fork.
3. according to claim 2 pair of bagging and weighing packer, it is characterised in that：Buffering is additionally provided with the mainframe
Device fixed mount, the buffer fixed mount are located at the lower section of rotating disk, and guiding feed rod, the buffer are provided with the mainframe
Fixed mount is slidably mounted on guiding feed rod, and buffer, the bottom of corresponding rotating disk are fixed with the buffer fixed mount
Portion is provided circumferentially about multiple buffering locating pieces, and the fork rotates the bottom of column and is additionally provided with lower promotion fork, it is described on
The middle part of fork and the end of lower promotion fork is promoted to be provided with promotion bearing pin, the promotion bearing pin is used to promote buffer solid
Determine frame and slide along feed rod is oriented to, on the buffer fixed mount, be provided with buffering return spring.
4. according to claim 1 pair of bagging and weighing packer, it is characterised in that：The blanking mechanism of weighing includes weighing
Support, quantitative hopper, material-falling hopper, weigh hopper, the weighing bracket are arranged on mainframe, and positioned at the sidepiece of rotating disk, institute
State, at the top of weigh hopper, be provided with quantitative hopper, the quantitative hopper
On be provided with multiple tremie pipes, tremie pipe is corresponded with weigh hopper and is connected, and spiral conveying is provided with the tremie pipe
Mechanism, is provided with conveying motor on the spiral conveyer structure, the conveying motor is fixed on quantitative hopper, the material of weighing
The bottom of bucket is respectively arranged with material-falling hopper, is respectively provided between the tremie pipe and weigh hopper, between weigh hopper and material-falling hopper
There is blanking control valve.
5. according to claim 4 pair of bagging and weighing packer, it is characterised in that：Stirring is provided with the quantitative hopper
Blade, the sidepiece of the material-falling hopper are provided with fixed mount, be provided with feeding motor, the material-falling hopper and arrange on the fixed mount
There is blanking stirring vane, the blanking stirring vane is connected with the output shaft of feeding motor, is additionally provided with the fixed mount
Gas blow pipe, the gas blow pipe are extended in material-falling hopper.
6. according to claim 1 pair of bagging and weighing packer, it is characterised in that：The bag opening mechanism includes being uniformly arranged
Blade installation set and lifting cylinder on disk peripheral, is provided with multiple support bag leaves in the lower circumference of the blade installation set
Piece, the support bag blade are arranged in blade installation set by spring hinge, and support bag cylinder is provided with the blade installation set,
Flange is provided with the top of the support bag cylinder, the lifting cylinder is fixed on mainframe, is arranged on the piston rod of lifting cylinder
The two ends for having fixed plate, the fixed plate are respectively arranged with a pair U-type grooves for clamp flange.
7. according to claim 6 pair of bagging and weighing packer, it is characterised in that：Rolling is provided with the support bag blade
Bearing.
8. according to claim 6 pair of bagging and weighing packer, it is characterised in that：It is provided between the blade installation set
Contour plate, the contour plate are fixed on rotating disk, and contour plate is highly identical with flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621106030.1U CN206068204U (en) | 2016-10-09 | 2016-10-09 | Double bagging and weighing packers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621106030.1U CN206068204U (en) | 2016-10-09 | 2016-10-09 | Double bagging and weighing packers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206068204U true CN206068204U (en) | 2017-04-05 |
Family
ID=58441741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621106030.1U Active CN206068204U (en) | 2016-10-09 | 2016-10-09 | Double bagging and weighing packers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206068204U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428663A (en) * | 2016-10-09 | 2017-02-22 | 漳州市兴宝机械有限公司 | Double-bagging weighing packing machine |
| CN108945605A (en) * | 2018-06-27 | 2018-12-07 | 中车石家庄车辆有限公司 | A kind of delivery device and grain drier |
| CN111003269A (en) * | 2019-12-10 | 2020-04-14 | 中山新永一测控设备有限公司 | Weighing and packaging machine |
| CN111169716A (en) * | 2018-11-13 | 2020-05-19 | 深圳市特安洁净能源科技有限公司 | Bag opening mechanism and automatic bag opening device |
-
2016
- 2016-10-09 CN CN201621106030.1U patent/CN206068204U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428663A (en) * | 2016-10-09 | 2017-02-22 | 漳州市兴宝机械有限公司 | Double-bagging weighing packing machine |
| CN106428663B (en) * | 2016-10-09 | 2018-09-04 | 漳州市兴宝机械有限公司 | Double bagging and weighing packing machines |
| CN108945605A (en) * | 2018-06-27 | 2018-12-07 | 中车石家庄车辆有限公司 | A kind of delivery device and grain drier |
| CN111169716A (en) * | 2018-11-13 | 2020-05-19 | 深圳市特安洁净能源科技有限公司 | Bag opening mechanism and automatic bag opening device |
| CN111003269A (en) * | 2019-12-10 | 2020-04-14 | 中山新永一测控设备有限公司 | Weighing and packaging machine |
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