CN106347793A - Eccentric bag breaking machine - Google Patents
Eccentric bag breaking machine Download PDFInfo
- Publication number
- CN106347793A CN106347793A CN201610991083.4A CN201610991083A CN106347793A CN 106347793 A CN106347793 A CN 106347793A CN 201610991083 A CN201610991083 A CN 201610991083A CN 106347793 A CN106347793 A CN 106347793A
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- roller
- bag
- broken bag
- support body
- breaking machine
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- 230000000694 effects Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to an eccentric bag breaking machine, which comprises a frame body, wherein a roller tube formed by two end plates and a tube body is arranged in the frame body; the tube body is defined by a plurality of cylindrical surface plates; an opening is formed between the two adjacent cylindrical surface plates; connecting sleeves are formed in the centers of the two end plates; the two connecting sleeves are respectively supported the left side and the right side of the frame body; the connecting sleeve arranged at one end is connected with a roller tube driving mechanism; a center shaft is arranged in each of the two connecting sleeves; a bag breaking cutter mechanism is arranged in the roller tube, and comprises a main shaft; the two ends of the main shaft are connected with two center shafts through connecting blocks; a plurality of turntables are arranged on the main shaft; a plurality of connecting rods are hinged to each turntable in a uniform distribution way; the outer ends of the plurality of connecting rods extend out from the plurality of openings formed in the tube body one by one; each connecting rod is in driving connection in the circumferential direction with the tube body through a guide connecting element; the outer end of each connecting rod is fixedly provided with one cutter frame; a bag breaking cutter blade is arranged on the cutter frame; an anti-winding cover with a plurality of openings is arranged outside the roller tube. The eccentric bag breaking machine has the advantages that garbage cannot be easily wound on the bag breaking cutter blade; when hard objects are met, the cutter blade can avoid the hard objects.
Description
Technical field
The invention belongs to refuse treatment plant, particularly to a kind of bias bag-breaking machine.
Background technology
Bag-breaking machine is conventional refuse treatment plant.The roller central axis of present bag-breaking machine, drive roller and from
The broken bag blade synchronous axial system that roller surface stretches out, during roller rotates, broken bag blade is stretched along roller radial direction
Output is a fixed value, and broken bag blade is rigid being fixedly connected with knife rest.Existing bag-breaking machine, when carrying out garbage bag breaking, carries
Shape rubbish is easy to be wrapped on broken bag blade, and has hard thing unavoidably due in the rubbish of process, when hard thing encountered by broken bag blade
Cannot avoid it is easy to cause to broken bag blade to damage.Rubbish and broken bag breaks down are wound around on the above-mentioned blade in broken bag, all can
The normal operation of impact bag-breaking machine, can lead to broken bag efficiency to reduce.
Content of the invention
The present invention provides one kind to make rubbish be difficult to be wrapped in broken bag knife for solving technical problem present in known technology
On piece, and when broken bag blade runs into hard thing, can achieve flexible avoidance, thus the damage to broken bag blade, Jin Erbao can be reduced
The eccentric bag-breaking machine of card broken bag work efficiency.
The present invention is adopted the technical scheme that by solving technical problem present in known technology:
A kind of bias bag-breaking machine, including support body, is provided with roller, described roller is by two end plates positioned at two ends in support body
And the cylinder being arranged between two end plates connect and compose it is characterised in that:
Described cylinder is surrounded by the pole panel of circumferentially disposed several piece arc-shaped, two pieces of often adjacent pole panel it
Between all leave opening；The center of two end plates is equipped with branch sleeve, and the branch sleeve at two ends is rotatably supported in frame respectively
On the left and right sides of body, and the branch sleeve wherein positioned at one end and the roller drive mechanism being fixed on outside support body form the company of driving
Connect, be respectively provided with a central shaft in two branch sleeves, central shaft is connected by bearing with branch sleeve；
It is provided with broken bag cutter mechanism in roller, described broken bag cutter mechanism includes main shaft, the two ends of main shaft are respectively passed through one and connected
Block is connected respectively with the central shaft positioned at two ends, and main shaft is arranged with respect to two eccentricity of central axis, uniformly pacifies vertically on main shaft
Equipped with multiple rotating disks, on each rotating disk, along the circumferential direction uniform hinge is connected to multiple connecting rods, the outer end of multiple connecting rods respectively from
Stretch out one by one at multiple openings on cylinder, each connecting rod respectively passes through guiding connector drive with cylinder formation along the circumferential direction
It is dynamically connected, guiding connector is provided with pilot hole, connecting rod is installed on guiding in the hole；It is respectively and fixedly provided with a knife in the outer end of each connecting rod
Frame, is provided with cutter shaft on knife rest, cutter shaft is fixed with broken bag blade and is set with torsion spring, one end of torsion spring is connected with cutter shaft,
The other end is connected with knife rest, makes broken bag blade form flexible connection with knife rest；
It is provided with the antiwind cap of arc-shaped outside roller, described antiwind cap and roller are in be arranged concentrically, and described antiwind cap leads to
Cross multiple antiwind cap connectors to be connected with support body, described antiwind cap connects structure by the multiple circular arc bent plates along roller axial arranging
Become, often all leave between two adjacent circular arc bent plates multiple aperture positions on opening, and antiwind cap with along roller axial direction cloth
The multiple broken bag blades put are aligning one by one along the formation of roller radial direction.
Preferred: described roller drive mechanism includes motor, the outfan connection reducer of motor, the outfan of decelerator
Form a fixed connection with the branch sleeve of the corresponding end end plate of roller.
Preferred: described antiwind cap connector adopts extension spring, and the upper end of each extension spring is connected with the top of support body, and each draws
The lower end of spring is connected with antiwind cap.
Preferred: described guiding connector be assembling unit structure, its by the fixed block being connected with cylinder inboard wall and with fixation
Block forms the movable block being hinged and constitutes, and described pilot hole is arranged on movable block.
Preferred: to be also equipped with backplate outside support body.
The present invention has the advantages and positive effects that:
During roller rotation, broken bag blade and antiwind cap form a kind of dynamic cooperation, roller for this eccentric broken bag mechanism
Often rotate a circle, broken bag blade by completing once to stretch out at opening corresponding on antiwind cap and once retracting, and in broken bag knife
When the overhang of piece reaches the longest, carry out broken bag process, so, compared to existing broken bag blade along perpendicular to roller axial direction
The bag-breaking machine that direction does not change, drastically reduce the area the probability of rubbish and broken bag blade contact, so that banding rubbish is not
Easily it is wrapped on broken bag blade；In addition, broken bag blade adopts above-mentioned connected mode, when running into hard thing, broken bag blade with knife rest
Rotatably certain angle, realizing the avoidance to hard thing, so avoiding the rigid shock to broken bag blade, thus reducing
Damage to broken bag blade.This eccentric bag-breaking machine passes through to reduce rubbish and is wound around and reduces to the damage of broken bag knife it is ensured that broken bag
Work efficiency, in addition, this eccentric bag-breaking machine has the convenient advantage of installation, maintenance.
Brief description
Fig. 1 is the perspective view of the present invention；
Fig. 2 is the structural representation of broken bag cutter mechanism and roller cooperation；
Fig. 3 is a of Fig. 2 to schematic diagram；
Fig. 4 is the planar structure schematic diagram that the present invention sets up backplate；
Fig. 5 is the b-b sectional view of Fig. 4；
Fig. 6 is the structural representation of knife rest and broken bag blades fit；
Fig. 7 is the top view of Fig. 6.
In figure: 1, support body；2nd, roller；2-1, end plate；2-1-1, branch sleeve；2-2, cylinder；2-2-1, pole panel；2-2-
2nd, opening；3rd, roller drive mechanism；3-1, motor；3-2, decelerator；4th, central shaft；5th, broken bag cutter mechanism；5-1, main shaft；5-2、
Contiguous block；5-3, rotating disk；5-4, connecting rod；5-5, guiding connector；5-5-1, fixed block；5-5-2, movable block；5-6, knife rest；5-
7th, cutter shaft；5-8, broken bag blade；5-9, torsion spring；6th, antiwind cap；6-1, circular arc bent plate；6-2, opening；7th, anti-rolling cover connector；
8th, backplate.
Specific embodiment
For content of the invention, feature and effect of the present invention can be further appreciated that, hereby enumerate following examples, and coordinate accompanying drawing
Describe in detail as follows:
Refer to Fig. 1-7, a kind of bias bag-breaking machine, mainly it is made up of following part:
Including support body 1, support body is using the frame structure being welded into by section bar.
Including roller 2, roller is arranged in support body, and described roller by the end plate 2-1 positioned at two ends and is arranged on two ends
Cylinder 2-2 between plate connects and composes, and described cylinder is enclosed by pole panel 2-2-1 of circumferentially disposed several piece arc-shaped
Become, between two pieces of often adjacent pole panel, all leave opening 2-2-2.The center of two end plates is equipped with branch sleeve 2-1-
1, specifically, branch sleeve can be integrally machined molding with end plate, and Split connection structure may also be employed.The branch sleeve at two ends is respectively
It is rotatably supported on the left and right sides of support body, specifically, is installed with supporting vertical plate in the both sides correspondence position of support body, connect
Sleeve is turnably supported in the supporting vertical plate of corresponding end by bearing.Wherein be located at one end branch sleeve be fixed on frame
External roller drive mechanism 3 forms drive connection.Be respectively provided with a central shaft 4 in two branch sleeves, central shaft be connected
Sleeve is connected by bearing.
Including broken bag cutter mechanism 5, broken bag cutter mechanism is arranged in roller.Described broken bag cutter mechanism includes main shaft 5-1, main shaft
Two ends be respectively connected respectively with the central shaft positioned at two ends by a contiguous block 5-2, main shaft is arranged with respect to two eccentricity of central axis,
Specifically, main shaft deflection inputs the direction setting of end position near bag-breaking machine.Main shaft is uniformly provided with multiple turns vertically
Disk 5-3, on each rotating disk, along the circumferential direction uniform hinge is connected to multiple connecting rod 5-4, and the outer end of multiple connecting rods is respectively from cylinder
On multiple openings at stretch out one by one, each connecting rod respectively passes through a guiding connector 5-5 and cylinder and forms drive along the circumferential direction
It is dynamically connected, guiding connector is provided with pilot hole, connecting rod is installed on guiding in the hole, so, guiding connector plays vertical to connecting rod
Directly in the guide effect of roller axial direction.It is respectively and fixedly provided with a knife rest 5-6 in the outer end of each connecting rod, knife is provided with knife rest
Axle 5-7, cutter shaft is fixed with broken bag blade 5-8 and is set with torsion spring 5-9, and broken bag blade reference existing broken bag blade structure is turned round
Spring adopts torsion spring structure, and one end of torsion spring is connected with cutter shaft, and the other end is connected with knife rest, so that broken bag blade and knife rest is formed soft
Property connect, so, torsion spring one side makes broken bag blade have certain pretightning force, makes broken bag blade keep stable, on the other hand
When running into hard thing, broken bag blade can turn an angle, and realizes flexible avoidance, and after hard thing passes through, broken bag blade is subject to torsion spring
Effect, rotate back into initial position, so, ensure that during broken bag, it is to avoid be very stiff and demanding, and cutter is caused damage
Bad, improve cutting-tool's used life.Above-mentioned main shaft specifically may be used with the connection of contiguous block at two ends and the connection of main shaft and rotating disk
Using two kinds of connected modes: one is that main shaft is fixedly connected with the contiguous block at two ends, and main shaft and rotating disk carry out phase by bearing simultaneously
Connect to turnable, two main shafts are attached by bearing with the contiguous block at two ends, and main shaft is fixedly connected with rotating disk simultaneously.Should
Two kinds of connected modes all can guarantee that rotating disk rotates around the alignment of shafts.
It is provided with the antiwind cap 6 of arc-shaped outside roller, described antiwind cap and roller are in be arranged concentrically, and described antiwind cap leads to
Cross multiple antiwind cap connectors 7 to be connected with support body, described antiwind cap is by the multiple circular arc bent plate 6-1 along roller axial arranging even
Connect composition, often all leave opening 6-2 between two adjacent circular arc bent plates, and the multiple aperture positions on antiwind cap with along roller
Axial arranged multiple broken bag blades along roller radial direction formed align one by one, this way it is ensured that roller rotate mistake
Cheng Zhong, can stretch out the aperture position from antiwind cap along the axial arranged broken bag blade of roller, one by one to realize garbage bag breaking.On
State the link position of multiple circular arc bent plates to rotate in roller during, do not interfere with broken bag blade and be advisable.
In above-mentioned bias bag-breaking machine, described roller drive mechanism includes motor 3-1, the outfan connection reducer 3- of motor
2, the outfan of decelerator is formed a fixed connection with the branch sleeve of the corresponding end end plate of roller, specifically, can adopt splined hole
It is attached with the fit system of splined shaft, and axial limit structure is set, such as alignment pin etc..Additionally, what other enabled
Normal method is also suitable.
In above-mentioned bias bag-breaking machine, described antiwind cap connector adopts extension spring, the upper end of each extension spring and the top of support body
Connect, the lower end of each extension spring is connected with antiwind cap.Antiwind cap adopts extension spring structure, when on the one hand heavier refuse bag inputs,
There is certain elastic buffer effect, reduce the destruction to antiwind cap, on the other hand when containing hard thing in the rubbish of broken bag, can
With with broken bag blades fit, strengthen flexible avoidance.
In above-mentioned bias bag-breaking machine, described guiding connector adopts assembling unit structure, and it is by consolidating of being connected with cylinder inboard wall
Determine block 5-5-1 and form the movable block 5-5-2 composition being hinged with fixed block, described pilot hole is arranged on movable block.
In said structure, it is also equipped with that backplate 8 is specific outside support body, enter discharge position and unloading position except bag-breaking machine
Outward, the surrounding of support body all can arrange backplate, and roller drive mechanism and roller are separated by the setting one side of backplate, and pair roller barrel drives
Mechanism plays a protective role, and on the other hand, during garbage bag breaking, rubbish is enclosed in support body, is easy to discharging, and drops
The low pollution to surrounding.
This eccentric bag-breaking machine, is rotated around the central shaft positioned at two ends by roller drive mechanism driving roller, in roller rotation
During turning, by the guiding connector being fixed on cylinder, broken bag cutter mechanism is driven to rotate around the spindle, due to main shaft relatively
In eccentricity of central axis setting, so, during often rotating a circle, every broken bag blade is in the drive of respective link for roller
Under, gradually stretch out at corresponding anti-tangle cover opening, when broken bag blade rotation is extremely apart from the nearest position of bag-breaking machine feeding end,
The overhang of broken bag blade reaches length, carries out broken bag process, broken bag by the sawtooth sword on broken bag blade to the rubbish band of input
Blade after the nearest position of the feeding end apart from bag-breaking machine turns over, gradually retract into antiwind cap, when broken bag knife by broken bag blade
Piece turn to apart from feeding end farthest position when, broken bag blade be retracted in antiwind cap in position, so, with roller
Rotation, broken bag blade reciprocation extend and retract it is achieved that broken bag process.
Claims (5)
1. a kind of bias bag-breaking machine, includings support body, be provided with roller in support body, described roller by two end plates positioned at two ends with
The cylinder being arranged between two end plates connect and compose it is characterised in that:
Described cylinder is surrounded by the pole panel of circumferentially disposed several piece arc-shaped, between two pieces of often adjacent pole panel all
Leave opening；The center of two end plates is equipped with branch sleeve, and the branch sleeve at two ends is rotatably supported in support body respectively
On the left and right sides, and wherein it is located at the branch sleeve of one end and the roller drive mechanism formation drive connection being fixed on outside support body,
It is respectively provided with a central shaft in two branch sleeves, central shaft is connected by bearing with branch sleeve；
Be provided with broken bag cutter mechanism in roller, described broken bag cutter mechanism includes main shaft, the two ends of main shaft respectively pass through a contiguous block with
Central shaft positioned at two ends connects respectively, and main shaft is arranged with respect to two eccentricity of central axis, is uniformly provided with vertically on main shaft
Multiple rotating disks, on each rotating disk, along the circumferential direction uniform hinge is connected to multiple connecting rods, and the outer end of multiple connecting rods is respectively from cylinder
On multiple openings at stretch out one by one, each connecting rod respectively passes through a guiding connector and cylinder and forms driving along the circumferential direction even
Connect, guiding connector is provided with pilot hole, connecting rod is installed on guiding in the hole；It is respectively and fixedly provided with a knife rest in the outer end of each connecting rod,
Cutter shaft is provided with knife rest, cutter shaft is fixed with broken bag blade and is set with torsion spring, one end of torsion spring is connected with cutter shaft, another
End is connected with knife rest, makes broken bag blade form flexible connection with knife rest；
It is provided with the antiwind cap of arc-shaped outside roller, described antiwind cap and roller are in be arranged concentrically, and described antiwind cap passes through many
Individual antiwind cap connector is connected with support body, and described antiwind cap is connected and composed by the multiple circular arc bent plates along roller axial arranging,
The multiple aperture positions often all leaving on opening, and antiwind cap between two adjacent circular arc bent plates are axial arranged with along roller
Multiple broken bag blades are aligning one by one along the formation of roller radial direction.
2. according to claim 1 bias bag-breaking machine it is characterised in that: described roller drive mechanism includes motor, motor
Outfan connection reducer, the outfan of decelerator formed a fixed connection with the branch sleeve of the corresponding end end plate of roller.
3. according to claim 1 bias bag-breaking machine it is characterised in that: described antiwind cap connector adopts extension spring, each
The upper end of extension spring is connected with the top of support body, and the lower end of each extension spring is connected with antiwind cap.
4. according to claim 1 bias bag-breaking machine it is characterised in that: described guiding connector be assembling unit structure, its
Form, by the fixed block being connected with cylinder inboard wall and with fixed block, the movable block being hinged to constitute, described pilot hole is arranged on activity
On block.
5. according to claim 1 bias bag-breaking machine it is characterised in that: be also equipped with backplate outside support body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991083.4A CN106347793B (en) | 2016-11-10 | 2016-11-10 | A kind of bias bag-breaking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991083.4A CN106347793B (en) | 2016-11-10 | 2016-11-10 | A kind of bias bag-breaking machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106347793A true CN106347793A (en) | 2017-01-25 |
| CN106347793B CN106347793B (en) | 2018-12-04 |
Family
ID=57862000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610991083.4A Expired - Fee Related CN106347793B (en) | 2016-11-10 | 2016-11-10 | A kind of bias bag-breaking machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN106347793B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054947A (en) * | 2017-06-06 | 2017-08-18 | 刘华 | Garbage classification device and its refuse bag broken bag collecting mechanism |
| CN114803025A (en) * | 2022-07-01 | 2022-07-29 | 山西交控生态环境股份有限公司 | Transmission device for bag breaking machine |
| CN115180256A (en) * | 2021-04-01 | 2022-10-14 | 中国石油大学(华东) | Plastic bag crushing device for garbage classification |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2294114Y (en) * | 1997-06-02 | 1998-10-14 | 常州市环卫工程设计研究所 | Apparatus for breaking bags of garbage |
| CN2375383Y (en) * | 1999-05-26 | 2000-04-26 | 中国工程物理研究院机械制造工艺研究所 | Bag breaking crusher for bagged garbage |
| US20020074274A1 (en) * | 2000-12-20 | 2002-06-20 | Christopher Peggs | Bag splitter and wet separator |
| CN1944191A (en) * | 2006-10-19 | 2007-04-11 | 天津百利阳光环保设备有限公司 | Garbage bag breaking machine |
| CN201565334U (en) * | 2009-11-27 | 2010-09-01 | 天津百利阳光环保设备有限公司 | Shearing type bagging domestic garbage breaking machine |
| CN203667098U (en) * | 2013-12-16 | 2014-06-25 | 天津百利环保有限公司 | Cutter relieving mechanism of bag-breaking machine |
| CN104874448A (en) * | 2015-04-23 | 2015-09-02 | 四川和鼎环保工程有限责任公司 | Garbage smashing device with sorting function |
| CN104960719A (en) * | 2015-07-02 | 2015-10-07 | 西安电子科技大学 | Horizontal type garbage bag breaking machine |
| CN206243638U (en) * | 2016-11-10 | 2017-06-13 | 天津百利阳光环保设备有限公司 | A kind of eccentric bag-breaking machine |
-
2016
- 2016-11-10 CN CN201610991083.4A patent/CN106347793B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294114Y (en) * | 1997-06-02 | 1998-10-14 | 常州市环卫工程设计研究所 | Apparatus for breaking bags of garbage |
| CN2375383Y (en) * | 1999-05-26 | 2000-04-26 | 中国工程物理研究院机械制造工艺研究所 | Bag breaking crusher for bagged garbage |
| US20020074274A1 (en) * | 2000-12-20 | 2002-06-20 | Christopher Peggs | Bag splitter and wet separator |
| CN1944191A (en) * | 2006-10-19 | 2007-04-11 | 天津百利阳光环保设备有限公司 | Garbage bag breaking machine |
| CN201565334U (en) * | 2009-11-27 | 2010-09-01 | 天津百利阳光环保设备有限公司 | Shearing type bagging domestic garbage breaking machine |
| CN203667098U (en) * | 2013-12-16 | 2014-06-25 | 天津百利环保有限公司 | Cutter relieving mechanism of bag-breaking machine |
| CN104874448A (en) * | 2015-04-23 | 2015-09-02 | 四川和鼎环保工程有限责任公司 | Garbage smashing device with sorting function |
| CN104960719A (en) * | 2015-07-02 | 2015-10-07 | 西安电子科技大学 | Horizontal type garbage bag breaking machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054947A (en) * | 2017-06-06 | 2017-08-18 | 刘华 | Garbage classification device and its refuse bag broken bag collecting mechanism |
| CN115180256A (en) * | 2021-04-01 | 2022-10-14 | 中国石油大学(华东) | Plastic bag crushing device for garbage classification |
| CN114803025A (en) * | 2022-07-01 | 2022-07-29 | 山西交控生态环境股份有限公司 | Transmission device for bag breaking machine |
| CN114803025B (en) * | 2022-07-01 | 2022-09-16 | 山西交控生态环境股份有限公司 | Transmission device for bag breaking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106347793B (en) | 2018-12-04 |
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Granted publication date: 20181204 |