CN213620686U - Semi-closed waste paper bale breaking system - Google Patents
Semi-closed waste paper bale breaking system Download PDFInfo
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- CN213620686U CN213620686U CN202022355259.1U CN202022355259U CN213620686U CN 213620686 U CN213620686 U CN 213620686U CN 202022355259 U CN202022355259 U CN 202022355259U CN 213620686 U CN213620686 U CN 213620686U
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Abstract
The utility model discloses a semi-closed waste paper bale breaking system, which comprises a vertical bale breaking machine, wherein the vertical bale breaking machine comprises a shell, an upper bale breaking roller and a lower bale breaking roller are respectively arranged in the shell in parallel from top to bottom, and the upper bale breaking roller and the lower bale breaking roller are connected through a transmission chain to realize homodromous rotation; the upper part of the shell is provided with a feed inlet, and the bottom of the shell is provided with a discharge outlet; the feeding port is connected with a feeding conveyor, and a sealing hanging curtain is arranged at the feeding port; the feeding port is connected with the discharging conveyor, and an ash baffle is arranged between the discharging port and the discharging conveyor; a dust cover is arranged above the discharging conveyor and is connected with a dust removal connecting pipe; the discharging end of the discharging conveyor is also provided with a sealing hanging curtain. The utility model discloses not only bale breaking is efficient, makes things convenient for arranging of dust removal structure moreover, and it forms new vertical two roller bale breaking structure, and bale breaking is efficient, and the feed inlet and the discharge gate of vertical bale breaker can be very convenient adjust and seal according to material loading conveyor and discharge conveyor size simultaneously.
Description
Technical Field
The utility model relates to a papermaking equipment technical field, concretely relates to carry out equipment that disperses to packing waste paper.
Background
In recent years, with the rapid development of our country's economy, the demand of various domestic industries on paper products is increasing, and among them, recycled waste paper pulping is one of the important raw materials for paper product production. For the convenience of transportation, the waste paper is generally bundled and packed by a packing machine after being recycled, and the packed waste paper must be dispersed for the treatment of a pulper before being sent to a paper mill for pulping and pulping. The first bale breaking method is that the forklift is lifted and then the bale breaking machine is thrown, and then the drum bale breaking machine is developed according to the principle of a drum pulper.
The principle of the rotary drum bale breaker is that the packed waste paper is conveyed into a continuously rotating horizontal rotary drum, and the waste paper bags are continuously lifted and dropped and move towards a discharge port by utilizing structures such as a vertical cone, a spiral piece and the like welded on the inner wall of the rotary drum. In this process, the bundled waste paper bales are separated.
The bale breaker is simple in structure, but in order to ensure that the waste paper bags can be completely scattered, the diameter of the rotary drum is required to be large enough, the length of the rotary drum is required to be long enough, and the waste paper bags can be lifted to the required height, so that the bale breaker occupies a large area and is long in bale breaking time. Meanwhile, the rotating cylinder rotates ceaselessly, so that the bale breaking machine cannot be completely sealed, and a large amount of dust generated during bale breaking is easy to spread over a production field.
The utility model discloses a No. CN 207497087U's utility model discloses a bale breaking machine includes material loading conveyer belt, bale breaking mechanism, divides the material conveyer belt, selects the conveyer belt along waste paper transmission direction, bale breaking mechanism includes casing, motor and bearing drive's rotary drum, the side of going up of casing one end is equipped with the feed inlet, and the downside of the other end is equipped with the discharge gate, evenly distributed has a plurality of apertures on the rotary drum, the inner wall of rotary drum is equipped with spiral guide block to and a plurality of equidistant distribution's V-arrangement cutting knife, the internal diameter of rotary drum is progressively increased to the one end of the ejection of compact by the one end of feeding, the end of dividing the material conveyer belt is equipped with the branch stub bar, the both sides of selecting the conveyer. The bale breaking machine is firm in structure, long in service life, low in cost, high in bale breaking efficiency and good in bale breaking effect, and waste paper reproduction efficiency and quality can be effectively improved.
The technical scheme still adopts the principle of a rotary drum bale breaker.
The utility model discloses a notice number CN 207275175U's utility model discloses a bale breaking equipment for waste paper package, including first chain trigger, second chain trigger, third chain trigger, cut and take out the iron wire machine, bale breaking machine and rotary drum pulper, the end of first chain trigger is connected with the feed end of cutting and taking out the iron wire machine, the discharge end of cutting and taking out the iron wire machine is located the top of the head end of second chain trigger, the end of second chain trigger is connected with the feed end of bale breaking machine, be provided with between the discharge end of bale breaking machine and the head end of third chain trigger and select the track, it is located the below of the discharge end of bale breaking machine to select orbital head end, it is located the top of the head end of third chain trigger to select orbital end, the end of third chain trigger is connected with the feed end of pulper. This equipment can be automatically with the waste paper package that the iron wire was tied up the bale breaking operation, has saved artifical labour, has reduced the dust that the bale breaking produced.
The bale breaker in the technical scheme adopts the principle of a rotary drum bale breaker.
The invention of publication number CN106215580A relates to a dust suction device of a bale breaker. It includes the dust cover, and the bale breaking machine main part is located the dust cover, is provided with the waste paper export on the dust cover, and the one end that the dust cover set up the waste paper export still is provided with the ventilation pipe, dust cover and ventilation pipe sealing connection, and the one end that the ventilation pipe links to each other with the dust cover is provided with updraft ventilator, be provided with the spray set who is used for mixing dust and water in the ventilation pipe, the ventilation pipe other end is connected with the dust collecting vat, and the dust collecting vat. The dust cover is arranged on the inner side of the bag scattering machine main body, and the dust generated in the bag scattering process of the bag scattering machine main body can not escape from the dust cover. The ventilation pipe other end is provided with spray set simultaneously, and this spray set spun water can be with the dust gathering, and the dust can fall into the dust collecting vat along with water in, and the dust collecting vat is connected with the delivery pump, and the delivery pump can be outside the log bin with the log raft play of dust.
According to the technical scheme, the dust collection structure is arranged on the basis of the rotary-drum bale breaking machine, the bale breaking machine main body is required to be completely arranged in the dust cover, the cost is high, and the occupied space is large.
Notice No. CN 209333872U's utility model provides a waste paper bale breaking machine, the novel nipple rectifier comprises a cylindrical shel, the upper end welding of barrel has the feeder hopper, the fixed left impurity collecting box and the right impurity collecting box that are provided with of bottom plate lower extreme of barrel, be provided with driving motor between left impurity collecting box and the right impurity collecting box in the motor installation cavity, an organic whole sets up ejection of compact conveyer pipe on the right flank of barrel, be provided with waste paper sorting unit in the waste paper bale breaking intracavity of barrel, waste paper sorting unit includes the stainless steel swivel pipe, the stainless steel drill bit, first stainless steel sword, second stainless steel sword, the second stainless steel sword, first waste paper push rod and second waste paper push rod can be dismantled with motor shaft through-hole section and be connected, the stainless steel drill bit, first stainless steel sword, the second stainless steel sword, first waste paper push rod and second waste paper push rod. Above-mentioned technical scheme, structural design is reasonable, simple structure, convenient operation, labour saving and time saving, work efficiency is high, the impurity separation is effectual and can effectively reduce manufacturing cost.
The principle of the technical scheme is different from that of a rotary drum bale breaking machine, but the bale breaking efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a semi-enclosed waste paper bale breaking system.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a semi-closed waste paper bale breaking system comprises a vertical bale breaking machine, wherein the vertical bale breaking machine comprises a shell, an upper bale breaking roller and a lower bale breaking roller are respectively arranged in the shell in an up-down parallel mode, and the upper bale breaking roller and the lower bale breaking roller are connected through a transmission chain to realize same-direction rotation; the upper paper scattering roller and the lower paper scattering roller are respectively provided with a flying cutter structure for scattering bags; the upper part of the shell is provided with a feed inlet, and the bottom of the shell is provided with a discharge outlet;
the feeding port is connected with a feeding conveyor, and a sealing hanging curtain is arranged at the feeding port; the feeding port is connected with the discharging conveyor, and an ash baffle is arranged between the discharging port and the discharging conveyor; a dust cover is arranged above the discharging conveyor and is connected with a dust removal connecting pipe; the discharge end of the discharge conveyor is also provided with a sealing hanging curtain, and the sealing hanging curtain is installed on the dust shield.
The upper paper scattering roller comprises an upper roller main shaft, and an upper roller fly cutter assembly and an anti-winding fly cutter assembly are axially and alternately arranged on the upper roller main shaft to form a scattered package fly cutter structure of the upper paper scattering roller;
the lower paper scattering roller comprises a lower roller main shaft, and a lower roller fly cutter assembly and an anti-winding fly cutter assembly are axially and alternately arranged on the lower roller main shaft to form a scattered package fly cutter structure of the lower paper scattering roller;
the lower roller fly cutter assembly and the upper roller fly cutter assembly are arranged in a staggered mode.
The upper and lower roll fly cutter assemblies are composed of a sleeve, and upper and lower roll fly cutters which are circumferentially arranged on the periphery of the sleeve, the anti-winding fly cutter assembly comprises a sleeve and anti-winding fly cutters which are circumferentially arranged on the periphery of the sleeve, the upper and lower roll fly cutter assemblies and the anti-winding fly cutter assemblies are sleeved on the corresponding upper and lower roll main shafts by the sleeve, and round nuts are arranged on two sides of the upper and lower roll main shafts in a loose package fly cutter structure for fixation.
Sleeves of the fly cutter assemblies of the upper and lower rolls are matched with corresponding main shaft keys of the upper and lower rolls; and a radial set screw is arranged between the sleeve of the anti-winding fly cutter assembly and the corresponding upper and lower roller main shafts.
The radial length of the fly cutter of the anti-winding fly cutter is not higher than that of the fly cutters of the upper and lower rolls.
The fly cutters of the upper roller and the lower roller are of sharp-angled structures, and the anti-winding fly cutters are of blade structures.
The feed inlet and the discharge outlet are rectangular.
And a dust removal connecting pipe is arranged at the top of the shell.
And the dust removal connecting pipes are matched with dust removal fans.
The dust removal connecting pipe is connected with a dust remover.
The utility model has the advantages that:
1. the utility model discloses abandoned the design principle of rotary drum bale breaker, formed a neotype vertical two roller bale breaker structure, two upper and lower scattered paper rolls through the syntropy rotation drive the flying knife on it when rotating, when two rollers were advanced in the middle of to the waste paper package, the waste paper package that the poor messenger of turning to of formation was tied up together scatters mutually, makes the dispersion that the waste paper package can be very fast open.
2. The casing of the novel bale breaker of the utility model is totally sealed except the feed inlet and the discharge outlet; the feed inlet and the discharge outlet are regular rectangles, so that the adjustment and the sealing can be conveniently carried out according to the sizes of the feeding conveyor and the discharging conveyor; the topmost end of the bale breaking machine shell is provided with a connecting pipeline which can be connected with a dust removal fan for dust removal operation.
3. The utility model discloses go up scattered paper roll and loose package flying knife structure as follows down on scattered paper roll, on a scattered paper roll main shaft, arrange a plurality of flying knife and antiwind flying knife in proper order, two scattered paper rolls are arranged from top to bottom to flying knife position on it is different, stagger each other. The two paper scattering rollers are connected together by a chain, and the turning directions are the same when the paper scattering rollers rotate. The paper scattering roller has simple structure and reliable function, and is not easy to cause the problems of paper clamping or paper scattering and the like.
4. The utility model discloses seal the bale breaking machine and the open position of unloading conveyer, avoid the dust to fly away everywhere, increase the dust removal in the suitable position of bale breaking machine and unloading conveyer dust cover simultaneously and take over, collect most dust in a department, carry out suitable processing, avoid dust density too big meet naked light and take place the spontaneous explosion.
5. The utility model discloses a semi-enclosed waste paper bale breaking system not only bale breaking is efficient, makes things convenient for arranging of dust removal structure moreover.
Drawings
FIG. 1 is a first schematic diagram of a semi-enclosed waste paper bale breaking system according to an embodiment of the present invention;
FIG. 2 is a second schematic diagram of the semi-enclosed waste paper bale breaking system according to the embodiment of the present invention;
fig. 3 is a schematic view of a vertical bale breaker according to an embodiment of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic view of an upper spreader roll and a lower spreader roll in an embodiment of the invention;
FIG. 6 is a side view of the upper spreader roll;
FIG. 7 is a side view of the lower spreader roll;
FIG. 8 is a schematic view of upper and lower roll fly cutter assemblies in an embodiment of the present invention;
fig. 9 is a schematic structural view of a wrapping fly-cutter assembly in an embodiment of the present invention;
fig. 10 is a schematic diagram of a vertical bale breaker according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 10, the present embodiment discloses a semi-enclosed waste paper bale breaking system, which includes a vertical bale breaking machine 24, the vertical bale breaking machine 24 includes a housing 1, an upper bale breaking roller 2 and a lower bale breaking roller 3 are respectively disposed in the housing 1 in parallel up and down, the upper bale breaking roller 2 and the lower bale breaking roller 3 are connected by a transmission chain 4, and are driven by a reduction motor 5 to rotate in the same direction. The upper paper scattering roller 2 and the lower paper scattering roller 3 are respectively provided with a bale scattering fly cutter structure. The housing 1 is fixed to the base 6.
The upper part of the shell 1 is provided with a feed inlet 7, and the opening of the feed inlet is rectangular. The feed inlet 7 is connected with a feeding conveyor 21, and a sealing hanging curtain 22 is arranged at the feed inlet 7, so that packed waste paper can enter the vertical bale breaking machine 4, and dust cannot escape.
The shell 1 is provided with a dust removal connecting pipe 11 at the top of the feed inlet 7, and the packed waste paper is processed by a vertical bale breaker 24 to become sheet waste paper and generate a large amount of dust. A part of the dust floats to the top of the bale breaker 24 and is discharged through a dust removal connecting pipe 11 and a dust removal fan which are arranged at the top of the vertical bale breaker 24.
The bottom of the shell 1 is provided with a discharge hole 8, and the opening of the discharge hole is also rectangular. A part of the dust falls onto the discharging conveyor 29 along with the waste paper, and a certain gap is required to be kept between the discharging port 8 of the bale breaker 24 and the discharging conveyor 29, and a rubber baffle 210 is arranged at the position in order to ensure that the dust does not leak along the gap. The scattered waste paper sheets are transported along the outfeed conveyor 29 to the pulper.
The dust-proof cover 26 is arranged on the discharging conveyor 29, the height of the dust-proof cover 26 is slightly higher than that of the conveying belt, preferably 400-600mm, and the height is not too high, otherwise, dust cannot be pumped away easily. Two dust collecting connecting pipes are respectively arranged at two ends of the dust cover 26, wherein the dust collecting connecting pipe 25 is close to the discharge hole 212 of the vertical type bale breaking machine 24 and can draw most dust away; the dust removal connecting pipe 27 is close to the discharge end of the discharge conveyor 29, and is assisted by a sealing hanging curtain 28 arranged at the discharge end of the discharge conveyor 29 (the sealing hanging curtain 28 is arranged on the dust cover 26), so that the dust removal connecting pipe 27 can ensure that dust cannot leak from the discharge end of the discharge conveyor 29. Dust removal fans are arranged at the dust removal connecting pipe 25 and the dust removal connecting pipe 27.
In order to avoid the danger of dust in the discharging process, the dust removal fan adopts an explosion-proof fan. And the dust led out from the dust removal connecting pipe enters a dust remover for centralized treatment.
The upper paper scattering roller 2 comprises an upper roller main shaft 12, and an upper roller fly cutter assembly and an anti-winding fly cutter assembly are axially and alternately arranged on the upper roller main shaft 12 to form a scattered bag fly cutter structure of the upper paper scattering roller; the number of the fly cutter assemblies is not too dense, preferably, the number of the upper roller fly cutter assemblies is 5, and the number of the anti-winding fly cutter assemblies is 4.
The lower paper scattering roller 3 is basically similar to the upper paper scattering roller 2 in mechanism and comprises a lower roller main shaft 19, and a lower roller fly cutter assembly and an anti-winding fly cutter assembly are axially and alternately arranged on the lower roller main shaft 19 to form a scattered package fly cutter structure of the lower paper scattering roller. The difference lies in that the lower roller fly cutter component does not directly face the impact of the waste paper bag, so the thickness of the blade is slightly thinner; in addition, the number of the lower roller fly cutter assemblies is preferably 6, and the lower roller fly cutter assemblies and the upper roller fly cutter assemblies are arranged in a staggered mode.
In this embodiment, the anti-winding fly cutter assemblies disposed on the upper and lower scattering rollers are designed to prevent scattered waste paper from hanging on the main shaft of the scattering roller and falling, and the height thereof is generally between 200 mm and 300 mm.
Specifically, the upper and lower roll fly cutter assemblies are composed of a sleeve and upper and lower roll fly cutters 16 and 20 which are uniformly arranged in the peripheral circle direction of the sleeve, and the number of the upper and lower roll fly cutters 16 and 20 is six respectively. The anti-winding fly cutter assembly comprises a sleeve and anti-winding fly cutters 15 which are uniformly arranged in the peripheral circle direction of the sleeve, and the number of the anti-winding fly cutters 15 is six. The upper and lower roll fly cutter assemblies and the anti-winding fly cutter assembly are sleeved on the corresponding upper and lower roll main shafts by sleeves, and the upper and lower roll main shafts are fixed by round nuts 18 arranged on two sides of the bulk bag fly cutter structure.
In order to prevent the upper and lower roller fly cutter assemblies from loosening, sleeves of the upper and lower roller fly cutter assemblies are matched with corresponding upper and lower roller main shaft keys; in order to prevent the anti-winding fly cutter assembly from loosening, radial set screws are arranged between the sleeve of the anti-winding fly cutter assembly and the corresponding upper and lower roller main shafts.
The upper and lower roller fly cutters 16 and 20 are in a sharp-angled structure, the anti-winding fly cutter 15 is in a blade structure, and the anti-winding fly cutter 15 and the corresponding upper and lower roller fly cutters 16 and 20 are arranged in a staggered mode.
The radial length of the fly cutter of the anti-winding fly cutter 15 is not higher than the radial lengths of the fly cutters 16 and 20 of the upper and lower rollers; the axial length of the anti-winding fly cutter 15 is greater than the axial lengths of the upper and lower roller fly cutters 16 and 20; the axial length (blade thickness) of the lower roll fly cutter 20 is smaller than the axial length (blade thickness) of the upper roll fly cutter 16.
Two ends of the upper and lower roller main shafts are respectively provided with two bearings 17 with seats and are fixed on the shell 1 through flange plates 9. The chain wheels 13 are arranged on the same side of the main shafts of the upper and lower rollers, and the two chain wheels 13 are driven by the transmission chain 4.
The paper scattering roller has simple structure and reliable function, and is not easy to cause the problems of paper jamming or paper scattering and the like.
The utility model discloses abandoned the design principle of rotary drum bale breaker, formed a neotype vertical two roller bale breaker structure, two upper and lower scattered paper rolls through the syntropy rotation drive the flying knife on it when rotating, when two rollers were advanced in the middle of to the waste paper package, the waste paper package that the poor messenger of turning to of formation was tied up together scatters mutually, makes the dispersion that the waste paper package can be very fast open.
The casing of the novel bale breaker of the utility model is totally sealed except the feed inlet 7 and the discharge outlet 8; the feed inlet 7 and the discharge outlet 8 are regular rectangles, so that the adjustment and the sealing can be conveniently carried out according to the sizes of the feeding conveyor and the discharging conveyor; the topmost end of the bale breaking machine shell is provided with a dust removal connecting pipe which can be connected with a dust removal fan for dust removal operation.
The dust collecting device has the advantages that the opening positions of the bale breaking machine and the discharging conveyor are sealed, dust is prevented from flying around, meanwhile, the dust collecting connection pipes are additionally arranged at the proper positions of the dust covers of the bale breaking machine and the discharging conveyor, most of dust is collected at one position to be properly processed, and self-explosion caused by the fact that the dust density is too high and meets open fire is avoided.
The semi-closed waste paper bale breaking system of this embodiment not only looses the package efficiently, makes things convenient for the arrangement of dust removal structure moreover.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
In the description of the present invention, it should be understood that the terms "front", "back", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Claims (10)
1. A semi-enclosed waste paper bale breaking system is characterized in that: the vertical type bale breaking machine comprises a shell, wherein an upper paper scattering roller and a lower paper scattering roller are respectively arranged in the shell in an up-down parallel mode and are connected through a transmission chain to realize same-direction rotation; the upper paper scattering roller and the lower paper scattering roller are respectively provided with a flying cutter structure for scattering bags; the upper part of the shell is provided with a feed inlet, and the bottom of the shell is provided with a discharge outlet;
the feeding port is connected with a feeding conveyor, and a sealing hanging curtain is arranged at the feeding port; the feeding port is connected with the discharging conveyor, and an ash baffle is arranged between the discharging port and the discharging conveyor; a dust cover is arranged above the discharging conveyor and is connected with a dust removal connecting pipe; the discharge end of the discharge conveyor is also provided with a sealing hanging curtain, and the sealing hanging curtain is installed on the dust shield.
2. The semi-enclosed wastepaper bale breaking system of claim 1, wherein: the upper paper scattering roller comprises an upper roller main shaft, and an upper roller fly cutter assembly and an anti-winding fly cutter assembly are axially and alternately arranged on the upper roller main shaft to form a scattered package fly cutter structure of the upper paper scattering roller;
the lower paper scattering roller comprises a lower roller main shaft, and a lower roller fly cutter assembly and an anti-winding fly cutter assembly are axially and alternately arranged on the lower roller main shaft to form a scattered package fly cutter structure of the lower paper scattering roller;
the lower roller fly cutter assembly and the upper roller fly cutter assembly are arranged in a staggered mode.
3. The semi-enclosed wastepaper bale breaking system of claim 2, wherein: the upper and lower roll fly cutter assemblies are composed of a sleeve, and upper and lower roll fly cutters which are circumferentially arranged on the periphery of the sleeve, the anti-winding fly cutter assembly comprises a sleeve and anti-winding fly cutters which are circumferentially arranged on the periphery of the sleeve, the upper and lower roll fly cutter assemblies and the anti-winding fly cutter assemblies are sleeved on the corresponding upper and lower roll main shafts by the sleeve, and round nuts are arranged on two sides of the upper and lower roll main shafts in a loose package fly cutter structure for fixation.
4. The semi-enclosed wastepaper bale breaking system of claim 3, wherein: sleeves of the fly cutter assemblies of the upper and lower rolls are matched with corresponding main shaft keys of the upper and lower rolls; and a radial set screw is arranged between the sleeve of the anti-winding fly cutter assembly and the corresponding upper and lower roller main shafts.
5. The semi-enclosed wastepaper bale breaking system of claim 3, wherein: the radial length of the fly cutter of the anti-winding fly cutter is not higher than that of the fly cutters of the upper and lower rolls.
6. The semi-enclosed wastepaper bale breaking system of claim 3, wherein: the fly cutters of the upper roller and the lower roller are of sharp-angled structures, and the anti-winding fly cutters are of blade structures.
7. The semi-enclosed wastepaper bale breaking system of claim 1, wherein: the feed inlet and the discharge outlet are rectangular.
8. The semi-enclosed wastepaper bale breaking system according to any of claims 1 to 7, wherein: and a dust removal connecting pipe is arranged at the top of the shell.
9. The semi-enclosed wastepaper bale breaking system of claim 8, wherein: and the dust removal connecting pipes are matched with dust removal fans.
10. The semi-enclosed waste paper bale breaking system of claim 9, wherein: the dust removal connecting pipe is connected with a dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022355259.1U CN213620686U (en) | 2020-10-21 | 2020-10-21 | Semi-closed waste paper bale breaking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022355259.1U CN213620686U (en) | 2020-10-21 | 2020-10-21 | Semi-closed waste paper bale breaking system |
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| Publication Number | Publication Date |
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| CN213620686U true CN213620686U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022355259.1U Active CN213620686U (en) | 2020-10-21 | 2020-10-21 | Semi-closed waste paper bale breaking system |
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| CN (1) | CN213620686U (en) |
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2020
- 2020-10-21 CN CN202022355259.1U patent/CN213620686U/en active Active
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