CN111778591A - Cotton feeding system and method for blowing line to carding machine line - Google Patents
Cotton feeding system and method for blowing line to carding machine line Download PDFInfo
- Publication number
- CN111778591A CN111778591A CN202010658354.0A CN202010658354A CN111778591A CN 111778591 A CN111778591 A CN 111778591A CN 202010658354 A CN202010658354 A CN 202010658354A CN 111778591 A CN111778591 A CN 111778591A
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- cotton
- carding machine
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- carding
- distributor
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 242
- 238000009960 carding Methods 0.000 title claims abstract description 188
- 238000007664 blowing Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 14
- 230000004069 differentiation Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G23/00—Feeding fibres to machines; Conveying fibres between machines
- D01G23/08—Air draught or like pneumatic arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention provides a cotton supply system and a cotton supply method of a blowing line to a carding machine line, wherein the cotton supply system comprises the blowing line, the carding machine line and a control system, the blowing line comprises a blowing machine and a cotton conveying fan, the carding machine line comprises a plurality of carding machines, and the cotton supply system is characterized in that: the cotton cleaner is connected with at least one distributor through a cotton conveying pipeline, at least two cotton conveying pipelines led out from the distributor are respectively connected with a cotton conveying fan, and each cotton conveying fan is connected with at least one carding machine line. The blowing-carding unit yield can be greatly improved, the performance requirement on a cotton conveying fan is reduced, and the equipment investment is relatively low; the cotton supply method of the cotton supply system of the blowing line to the carding machine line has simple and convenient control method.
Description
Technical Field
The invention belongs to the technical field of textile machinery manufacturing, relates to improvement of blowing-carding equipment and a technological process, and particularly relates to a cotton supply system and a cotton supply method for blowing lines to carding machine lines.
Background
The blowing-carding unit is used as an important ring in the fore-spinning, the yield of the blowing-carding unit has direct influence on spun yarns, the yield of each single machine of the existing blowing-carding unit, particularly the yield of each single machine of the cotton cleaning yarn, is continuously improved, the yield of partial single machines of the cotton cleaning reaches 3000kg/h even, but the yield is limited by the conveying capacity of a cotton conveying fan between the cotton cleaning yarn and a carding machine line, and the number of machines of the carding machine in the blowing-carding unit is difficult to improve. The fact that the number of the carding machines cannot be increased means that the high-yield performance of the single blowing line cannot be brought into play, and the single blowing line can only be solved through a plurality of production lines in order to meet the yield requirement, so that the investment cost is increased, the production cost of unit weight yarns is also high, and the problem to be solved urgently is solved.
Fig. 4 shows a common connection mode of the card line and the card line in the prior card blowing and carding unit. In the cotton cleaning line 1, raw cotton enters the cotton cleaning machine and the micro dust remover after passing through cotton cleaning grabbing, opening and mixing equipment, then the cotton conveying fan 4 conveys fibers at an outlet of the cotton cleaning machine (or the micro dust remover) to a cotton carding machine hopper in the cotton carding machine line 2 through a pipeline, when the configuration of a cotton carding machine table is more, the cotton conveying fan is limited by the conveying capacity, and the fibers cannot be directly conveyed to a last cotton carding machine hopper, therefore, a T-shaped distributor 5 is usually adopted to divide the cotton conveying pipeline into two to reduce the conveying distance from the cotton conveying fan 4 to the last cotton carding machine hopper, so that the fibers can be conveyed to more cotton carding machine hoppers.
The existing blowing-carding unit is characterized in that a single piece of cleaning yarn 1 is connected with a carding machine line 2 through a cotton conveying fan 4, the number of the carding machines in the carding machine line 2 is limited due to the limitation of the conveying capacity of the cotton conveying fan 4, the number of the carding machines is often not more than 10, even if the conveying distance is shortened through a T-shaped distributor 5, the number of the carding machines is not more than 16, and thus a series of problems are brought:
1. the improvement of the single-wire yield of the blowing-carding unit is severely limited, the yield of each blowing-carding unit, particularly the yield of each blowing unit, is continuously improved at present, and the fiber conveying between the yarn blowing line and the cotton carding machine line becomes a bottleneck;
2. the configuration quantity of the carding machine stations of the single blowing-carding-drawing production line is limited, and the investment and the production cost are increased.
Therefore, how to develop a cotton supply system and a cotton supply method for a blowing line to a carding machine line solves the bottleneck of fiber conveying between the blowing line and the carding machine line, greatly improves blowing and carding yield, reduces the performance requirement on a cotton conveying fan, and reduces equipment investment, which is a technical problem to be solved urgently in the field.
Disclosure of Invention
The invention provides a cotton supply system and a cotton supply method of a blowing line to a carding machine line, which can greatly improve the blowing and carding yield, reduce the performance requirement on a cotton conveying fan and ensure that the equipment investment is relatively less; the invention also provides a cotton supply method of the cotton supply system of the blowing line to the carding machine line, and the control method is simple and convenient.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a blowing line is to confession cotton system of carding machine line, includes blowing line and carding machine line and control system, the blowing line includes scutcher, cotton conveying fan, the carding machine line includes a plurality of carding machines, its characterized in that, the scutcher passes through cotton conveying pipeline and connects a distributor at least, two at least cotton conveying pipelines that the distributor was drawn forth respectively connect a cotton conveying fan, every cotton conveying fan connects a carding machine line at least.
The improvement of the technical scheme is as follows: the cotton conveying fan is connected with the two carding machine lines through the T-shaped distributor.
The technical scheme is further improved as follows: the distributor is a two-way distributor or a multi-way distributor, and a dust remover or a fiber separator is connected between the cotton cleaner and the two-way distributor or the multi-way distributor.
The technical scheme is further improved as follows: the control system comprises a main controller and a PID controller configured on a carding machine line corresponding to each cotton conveying fan, the PID controller is controlled by the main controller, a pressure sensor is arranged in the carding machine line corresponding to each cotton conveying fan, a swing valve is arranged in the distributor, and the pressure sensor and the swing valve in the distributor are controlled by the corresponding PID controller.
The technical scheme is further improved as follows: the distributor be two way distributors, the scutcher with connect the fine dust remover between the two way distributors, the valve that sways in the two way distributors includes that first sways valve and second and sways the valve, the carding machine line include first cotton conveying fan and second carding machine line, cotton conveying fan includes first cotton conveying fan and second cotton conveying fan, first swaying valve and second that include in the two way distributors sway the valve, follow first pipeline that the first valve of swaying of two way distributors was drawn forth connects first cotton conveying fan and first carding machine line in proper order, follow second pipeline that the second valve of two way distributors was drawn forth is drawn forth connects second cotton conveying fan and second carding machine line in proper order.
The technical scheme is further improved as follows: the main controller is a PLC controller.
A cotton supply method of the cotton supply system of the blowing line to the carding machine line is characterized by comprising the following steps: when the main controller receives a doffer opening signal in a certain carding machine line, pipeline pressure real-time detection is carried out on the carding machine line, if the pressure of a cotton conveying pipeline in the carding machine line reaches or exceeds a preset pressure value, the fact that the carding machine line does not need to supply cotton is indicated, and a swinging valve of two-way distributors or a multi-way distributor to the carding machine line is closed; on the contrary, if the pressure of the cotton carding machine line pipeline is lower than the preset value, the cotton carding machine line needs to be supplied with cotton, the swinging valve of the cotton conveying pipeline of the two-way or multi-way distributor to the cotton carding machine line is opened, PID operation is carried out on the pressure of the cotton conveying pipeline of the cotton carding machine line, and the rotating speed of a cotton feeding roller of the cotton cleaner is controlled according to the PID operation result; and then, judging whether the scutcher and the carding machine are stopped, if the scutcher and the carding machine are both in the driving state, continuously monitoring the pressure of a cotton conveying pipeline of each carding machine line, performing PID (proportion integration differentiation) operation, and continuously correcting the rotating speed of a cotton feeding roller of the scutcher until the scutcher and the carding machine are stopped.
The improvement of the control method comprises the following steps: controlling the rotating speed of a cotton feeding roller of the scutcher according to a PID operation result, wherein the rule is as follows: merging the pressure operation results of the cotton conveying pipelines of all the cotton carding machine lines, wherein if all the cotton carding machine lines do not need to supply cotton, the rotating speed of a cotton feeding roller of the cotton cleaner is zero (namely, the cotton is not supplied backwards); if only one carding machine line needs to be supplied with cotton, the rotating speed of a cotton feeding roller of the scutcher is controlled by taking the pressure PID operation result of a cotton conveying pipeline of the carding machine line needing to be supplied with cotton as a reference; and if the plurality of carding machine lines need to be supplied with cotton, the rotating speed of a cotton feeding roller of the scutcher is controlled by taking the sum of the pressure PID operation results of the cotton conveying pipelines of the plurality of carding machine lines as a reference.
Compared with the prior art, the invention has the advantages and positive effects that:
the cotton supply system of the blowing line to the carding machine line adopts one blowing line to connect each carding machine line through two or more distributors, and each carding machine line is provided with an independent conveying fan, thereby greatly increasing the number of the carding machines matched with the single blowing line, solving the conveying bottleneck between the blowing line and the carding machine line and further greatly increasing the blowing-carding-drawing yield. The cotton conveying fan adopts the prior common cotton conveying fan or is slightly improved, thereby reducing the research and development cost. The cotton supply mode provided by the invention can be combined with the blowing main machine or the auxiliary machine to form various flexible blowing-carding production lines, so that the equipment investment and the production cost are reduced, and the economic benefit is obvious. The cotton supply method of the cotton supply system of the blowing line to the carding machine line has simple and convenient control method.
Drawings
FIG. 1 is a schematic view of an embodiment 1 of a cotton supply system for blowing lines to carding machine lines of the present invention, which employs a two-way distributor to supply cotton to two carding machine lines;
FIG. 2 is a schematic view of an embodiment 2 of the blowing line cotton feeding system of the present invention using a two-way distributor to feed four carding lines;
FIG. 3 is a logic diagram of a cotton supply control method according to embodiment 1 of FIG. 1;
fig. 4 is a schematic view of a cotton supply system of a blowing line to a carding machine line in a conventional production process.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
referring to fig. 1, an embodiment 1 of a cotton supply system for blowing line to carding machine line according to the present invention includes a blowing line 1, a carding machine line 2 and a control system, the blowing line 1 includes a blowing machine 1.2 and a dust remover 1.3 (or a fiber separator), and the carding machine line 2 includes a first carding machine line 2.1 and a second carding machine line 2.2. The scutcher 1.2 is connected with a two-way distributor 3 through a dust remover 1.3 (or a fiber separator), a first pipeline led out by the two-way distributor 3 is sequentially connected with a first cotton conveying fan 4.1 and a first cotton carding machine line 2.1, and a second pipeline led out by the two-way distributor 3 is sequentially connected with a second cotton conveying fan 4.2 and a second cotton carding machine line 2.2.
The yarn cleaning machine 1 also comprises a cotton cleaning grabbing, opening and mixing device 1.1, raw cotton enters a cotton cleaning machine 1.2, a micro dust remover 1.3 and a two-way distributor 3 after passing through the cotton cleaning grabbing, opening and mixing device, and fibers at an outlet of the micro dust remover 1.3 are respectively conveyed to the cotton carding machine boxes in the first cotton carding machine line 2.1 and the second cotton carding machine line 2.2 through a first pipeline and a second pipeline by a first cotton conveying fan 4.1 and a second cotton conveying fan 4.2.
Further, the control system comprises a main controller, a PID controller configured for the first carding machine line 2.1 and a PID controller configured for the second carding machine line 2.2, and both the PID controllers are controlled by the main controller. The cotton conveying pipelines in the first carding machine line 2.1 and the second carding machine line 2.2 are respectively provided with a pressure sensor, the two-way distributor 3 is internally provided with a first swing valve and a second swing valve, and the pressure sensors and the first swing valve and the second swing valve in the two-way distributor 3 are controlled by corresponding PID controllers.
Preferably, the main controller is a PLC controller; the pressure sensors are respectively arranged in the cotton conveying pipelines in front of the first carding machine cotton boxes in the first carding machine line 2.1 and the second carding machine line 2.2; the first and second card wires 2.1, 2.2 each comprise at least 10 cards.
Referring to fig. 2, an embodiment 2 of a cotton supply system of a blowing line to a carding machine line according to the present invention includes a blowing line 1, a carding machine line 2 and a control system, the blowing line 1 includes a blowing machine 1.2 and a dust removing machine 1.3 (or a fiber separator), the carding machine line 2 includes a first carding machine line 2.1, a second carding machine line 2.2, a third carding machine line 2.3 and a fourth carding machine line 2.4, and the first carding machine line 2.1, the second carding machine line 2.2, the third carding machine line 2.3 and the fourth carding machine line 2.4 each include at least 10 carding machines. The scutcher 1.2 is connected with a two-way distributor 3 through a dust remover 1.3 (or a fiber separator 1.3), a first cotton conveying pipeline led out from the two-way distributor 3 is firstly connected with a first cotton conveying fan 4.1, the first cotton conveying fan 4.1 is connected with a first T-shaped distributor 5.1 through a cotton conveying pipeline, and two cotton conveying pipelines led out from the first T-shaped distributor 5.1 are respectively connected with a first cotton carding machine line 2.1 and a second cotton carding machine line 2.2. The second cotton conveying pipeline led out from the two distributors 3 is firstly connected with a second cotton conveying fan 4.2, the second cotton conveying fan 4.2 is connected with a second T-shaped distributor 5.2 through a cotton conveying pipeline, and two cotton conveying pipelines led out from the second T-shaped distributor 5.2 are respectively connected with a third cotton carding machine line 2.3 and a fourth cotton carding machine line 2.4.
The cotton cleaning line 1 also comprises cotton cleaning grab, opening and mixing equipment 1.1, raw cotton enters a cotton cleaning machine and a dust particle removing machine 1.3 after passing through the cotton cleaning grab, opening and mixing equipment, and then fibers at an outlet of the dust particle removing machine 1.3 are respectively conveyed to a first cotton conveying fan 4.1 and a second cotton conveying fan 4.2 through a cotton conveying pipeline through two distributors 3; the fiber passes through a first cotton conveying fan 4.1 and then is respectively conveyed to each cotton carding machine cotton box in a first cotton carding machine line 2.1 and a second cotton carding machine line 2.2 through a first T-shaped distributor 5.1 by a conveying pipeline; the fibres are conveyed by a second cotton conveying fan 4.2 and then by a second T-distributor 5.2 via a conveying duct to respective carding machine magazines in a third carding machine line 2.3 and a fourth carding machine line 2.4.
Further, the control system comprises a main controller, a PID controller shared by the first carding machine line 2.1 and the second carding machine line 2.2, and a PID controller shared by the third carding machine line 2.3 and the fourth carding machine line 2.4, both of which are controlled by the main controller; a pressure sensor is arranged in a cotton conveying pipeline in front of a first cotton carding machine cotton box in the first cotton carding machine line 2.1 or the second cotton carding machine line 2.2, and a pressure sensor is arranged in a cotton conveying pipeline in front of a first cotton carding machine cotton box in the third cotton carding machine line 2.3 or the fourth cotton carding machine line 2.4; the two-way distributor 3 is provided with a first swing valve and a second swing valve, and the pressure sensor and the first swing valve and the second swing valve in the two-way distributor 3 are controlled by corresponding PID controllers.
Preferably, the main controller is a PLC controller; the first 2.1, second 2.2, third 2.3 and fourth 2.4 card wires each comprise at least 10 cards.
When more than two distributors are used, the connections are analogized according to the principle shown in fig. 3.
Referring to fig. 1 and 3, an embodiment of the present invention of a cotton supplying method of the cotton supplying system of the blowing line to the carding machine line comprises the following steps: when the main controller receives a doffer opening signal in one of the carding machine lines (the first carding machine line 2.1 and the second carding machine line 2.2), pipeline pressure real-time detection is carried out on the carding machine line, if the pressure of a cotton conveying pipeline (the first pipeline or the second pipeline) in the carding machine line reaches or exceeds a preset pressure value, the fact that the carding machine line does not need to supply cotton is indicated, and swing valves (a first swing valve or a second swing valve) leading to the carding machine line from the two distributors 3 are closed; on the contrary, if the pressure of the cotton carding machine line pipeline is lower than the preset value, the cotton carding machine line needs to be supplied with cotton, the swinging valve leading to the cotton conveying pipeline of the cotton carding machine line in the two distributors 3 is opened, PID operation is carried out on the pressure of the cotton conveying pipeline of the cotton carding machine line, and the rotating speed of a cotton feeding roller of the cotton cleaner is controlled according to the PID operation result; and then, judging whether the scutcher and the carding machine are stopped, if the scutcher and the carding machine are both in the driving state, continuously monitoring the pressure of the cotton conveying pipelines of the two carding machine lines, performing PID (proportion integration differentiation) operation, and continuously correcting the rotating speed of a cotton feeding roller of the scutcher to achieve the aim of accurately controlling the cotton feeding until the scutcher and the carding machine are stopped.
Further, the cotton feeding method controls the rotating speed of the cotton feeding roller of the scutcher according to the PID operation result, and the rule is as follows: merging the pressure operation results of the cotton conveying pipelines of all the cotton carding machine lines, wherein if all the cotton carding machine lines do not need to supply cotton, the rotating speed of a cotton feeding roller of the cotton cleaner is zero (namely, the cotton is not supplied backwards); if only one carding machine line needs to be supplied with cotton, the rotating speed of a cotton feeding roller of the scutcher is controlled by taking the pressure PID operation result of a cotton conveying pipeline of the carding machine line needing to be supplied with cotton as a reference; and if the plurality of carding machine lines need to be supplied with cotton, the rotating speed of a cotton feeding roller of the scutcher is controlled by taking the sum of the pressure PID operation results of the cotton conveying pipelines of the plurality of carding machine lines as a reference.
The cotton supply method of the cotton supply system of the blowing line to the carding machine line shown in fig. 2 is similar to the control principle of the cotton supply method of the above embodiment, and thus, the detailed description is omitted.
It is understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make various changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a blowing line is to confession cotton system of carding machine line, includes blowing line and carding machine line and control system, the blowing line includes scutcher, cotton conveying fan, the carding machine line includes a plurality of carding machines, its characterized in that, the scutcher passes through cotton conveying pipeline and connects a distributor at least, two at least cotton conveying pipelines that the distributor was drawn forth respectively connect a cotton conveying fan, every cotton conveying fan connects a carding machine line at least.
2. A system for supplying blowing to carding lines according to claim 1, characterised in that the delivery fan connects the two carding lines through a T-distributor.
3. A system for supplying blowing to a card line according to claim 1 or 2, characterized in that the distributor is a two-way or multi-way distributor, between which a dust catcher or a fibre separator is connected.
4. The system of claim 1, wherein the control system comprises a main controller and a PID controller configured for the carding line corresponding to each of the cotton conveying fans, the PID controller is controlled by the main controller, a pressure sensor is disposed in the carding line corresponding to each of the cotton conveying fans, the distributor is provided with a swing valve, and the pressure sensor and the swing valve in the distributor are controlled by the corresponding PID controller.
5. The system of claim 4, wherein the distributor is a two-way distributor, the scutcher is connected with the two-way distributor to remove dust, the swing valve in the two-way distributor comprises a first swing valve and a second swing valve, the cotton carding line comprises a first cotton conveying fan and a second cotton carding line, the cotton conveying fan comprises a first cotton conveying fan and a second cotton conveying fan, the first swing valve and the second swing valve are arranged in the two-way distributor, a first pipeline led out from the first swing valve of the two-way distributor is connected with the first cotton conveying fan and the first cotton carding line in sequence, and a second pipeline led out from the second swing valve of the two-way distributor is connected with the second cotton conveying fan and the second cotton carding line in sequence.
6. A system for supplying cotton to a card line of a blowing line according to claim 5, wherein the main controller is a PLC controller.
7. A method for feeding cotton to a system for feeding cotton for a blowing line to a card line according to any one of claims 1 to 6, comprising the steps of: when the main controller receives a doffer opening signal in a certain carding machine line, pipeline pressure real-time detection is carried out on the carding machine line, if the pressure of a cotton conveying pipeline in the carding machine line reaches or exceeds a preset pressure value, the fact that the carding machine line does not need to supply cotton is indicated, and a swinging valve of two-way distributors or a multi-way distributor to the carding machine line is closed; on the contrary, if the pressure of the cotton carding machine line pipeline is lower than the preset value, the cotton carding machine line needs to be supplied with cotton, the swinging valve of the cotton conveying pipeline of the two-way or multi-way distributor to the cotton carding machine line is opened, PID operation is carried out on the pressure of the cotton conveying pipeline of the cotton carding machine line, and the rotating speed of a cotton feeding roller of the cotton cleaner is controlled according to the PID operation result; and then, judging whether the scutcher and the carding machine are stopped, if the scutcher and the carding machine are both in the driving state, continuously monitoring the pressure of a cotton conveying pipeline of each carding machine line, performing PID (proportion integration differentiation) operation, and continuously correcting the rotating speed of a cotton feeding roller of the scutcher until the scutcher and the carding machine are stopped.
8. The method according to claim 7, wherein the rotation speed of the feed roller of the scutcher is controlled according to the result of the PID operation according to the following rule: merging the cotton conveying pipeline pressure operation results of all the cotton carding machine lines, wherein if all the cotton carding machine lines do not need to supply cotton, the rotating speed of a cotton feeding roller of a cotton cleaner is zero; if only one carding machine line needs to be supplied with cotton, the rotating speed of a cotton feeding roller of the scutcher is controlled by taking the pressure PID operation result of a cotton conveying pipeline of the carding machine line needing to be supplied with cotton as a reference; and if the plurality of carding machine lines need to be supplied with cotton, the rotating speed of a cotton feeding roller of the scutcher is controlled by taking the sum of the pressure PID operation results of the cotton conveying pipelines of the plurality of carding machine lines as a reference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010658354.0A CN111778591A (en) | 2020-07-09 | 2020-07-09 | Cotton feeding system and method for blowing line to carding machine line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010658354.0A CN111778591A (en) | 2020-07-09 | 2020-07-09 | Cotton feeding system and method for blowing line to carding machine line |
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| Publication Number | Publication Date |
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| CN111778591A true CN111778591A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010658354.0A Pending CN111778591A (en) | 2020-07-09 | 2020-07-09 | Cotton feeding system and method for blowing line to carding machine line |
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|---|---|---|---|---|
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| CN210560907U (en) * | 2019-06-05 | 2020-05-19 | 青岛宏大纺织机械有限责任公司 | Heavy object edulcoration device in blowing-carding-drawing process |
| CN212560567U (en) * | 2020-07-09 | 2021-02-19 | 青岛宏大纺织机械有限责任公司 | Cotton supply system of blowing line to carding machine line |
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2020
- 2020-07-09 CN CN202010658354.0A patent/CN111778591A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE757508A (en) * | 1969-10-15 | 1971-04-14 | Rieter Ag Maschf | PROCESS FOR THE PRODUCTION OF A REGULAR CONTINUOUS FIBER BEAM AND DEVICE FOR CARRYING OUT THE PROCESS |
| JPH03130420A (en) * | 1989-10-12 | 1991-06-04 | Howa Mach Ltd | Card cotton feeder |
| CN103382587A (en) * | 2013-07-26 | 2013-11-06 | 青岛宏大纺织机械有限责任公司 | Blowing-carding electrical control system and control method |
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| CN207483939U (en) * | 2017-11-13 | 2018-06-12 | 保山恒丰纺织科技有限公司 | Blowing carding supplies cotton system |
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