CN107745997B - Sliver conveying device unit - Google Patents
Sliver conveying device unit Download PDFInfo
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- CN107745997B CN107745997B CN201711119768.0A CN201711119768A CN107745997B CN 107745997 B CN107745997 B CN 107745997B CN 201711119768 A CN201711119768 A CN 201711119768A CN 107745997 B CN107745997 B CN 107745997B
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- conveying
- conveying device
- fiber
- lifting
- fiber strip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/015—Gathering a plurality of forwarding filamentary materials into a bundle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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- Preliminary Treatment Of Fibers (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention provides a fiber strip conveying device unit, which comprises a lifting device, a conveying device, a transmission device, a monitoring device, a power device, a speed control device and a frame for installing the devices, wherein the frame is provided with a support column; the lifting device is used for extracting and lifting the fiber strips from the fiber strip storage and overturning device; the conveying device is used for conveying the fiber strips transmitted by the lifting device of the unit or conveying devices of other units to the direction of the drawing frame; the transmission device is connected with the lifting device and the conveying device and is powered by the power device; the conveying device is provided with a monitoring device for monitoring the occurrence of broken strips; the power device is connected with the speed control device. By adopting the technical scheme, a plurality of carding machines and a drawing frame can realize automatic connection and continuous production.
Description
Technical Field
The invention relates to a fiber strip conveying device unit for realizing automatic connection of a plurality of carding machines and a drawing frame and continuous production, in particular to a system which is used for orderly coiling and turning fiber strips produced by the carding machines, continuously extracting the fiber strips by the fiber strip conveying device and then feeding the fiber strips into the drawing frame.
Background
In the existing cotton and cotton type chemical fiber spinning engineering, cotton slivers produced by carding machines are continuously and orderly looped in a bottomed cylindrical (or rectangular) raw sliver can. After one of the raw sliver cans is filled with fiber sliver, the carding machine is replaced by another sliver can for continuous production. The sliver cans filled with fiber sliver produced by the plurality of carding machines are transported to a sliver storage area. In the case of the drawing frame, the raw sliver cans filled with fiber sliver produced by different carding machines are transported to the drawing frame. And then processing by a drawing frame. The production process has the following characteristics: 1. the fiber strips produced by the carding machine are stored in the raw strip barrel in a segmented mode. 2. The cans filled with raw strips are transported to a drawing frame by manual or transportation equipment and then processed. 3. The sliver is first loaded into sliver can by carding machine and then drawn and processed on drawing frame. The production process not only occupies factory space, but also needs to be provided with a plurality of raw strip cans for storage and turnover. Moreover, the labor quantity and the labor intensity of operators are increased. In addition, operators can use the barrel at will to dope the barrel and other artificial factors, which brings difficulty to production management.
In cotton and cotton type chemical fiber spinning engineering, the action of a drawing frame is as follows: the fiber strips produced by the carding machine or the combing machine are combined and drafted. Because of the larger draft multiple, the fiber rod processed by the drawing frame has higher uniformity, fiber straightening degree and fiber paralleling degree. Is not replaced by a combined drafting device (i.e. IDF) installed on a carding machine.
In order to realize continuous and automatic production from cotton carding process to drawing process. Many studies have been made by various textile machine technicians. Such as: at the end of the last eighties of the century in japan, continuous and automatic production from the carding process to the drawing process has been achieved. The drawing, lifting and conveying of the fiber strips are completed by an elongated drawing frame strip guiding device. However, the output speed and width of the carding machine and drawing frame produced at present are much higher than the equipment level thirty years ago. Therefore, the technology used by it cannot be fully applied to the existing equipment.
In recent years, the problem of labor is more and more prominent. The cotton spinning enterprises are more urgent in demands for continuous and automatic production from cotton carding to drawing. Continuous and automatic production from cotton carding to drawing is realized. The flipped fiber ribbon will be completed, transported and fed to the drawing frame. Is a key step for realizing continuous and automatic production from cotton carding process to drawing process. However, in the prior art, there is no long distance, high speed fiber strand conveying device that can be completed.
Disclosure of Invention
The invention provides a fiber sliver conveying device unit, which changes the current situation that a sliver can is needed to store raw sliver in the production process from the prior cotton carding process to the sliver drawing process. The fiber strips produced by the carding machine and subjected to overturning are fed into a drawing frame through the conveying of a system formed by the device. Realizing the automatic connection of a plurality of carding machines and a drawing frame, and carrying out continuous production. The technical scheme is as follows:
the device comprises a lifting device, a conveying device, a transmission device, a monitoring device, a power device, a speed control device and a frame for mounting the devices, wherein the frame is provided with a support column; the lifting device is used for extracting and lifting the fiber strips from the fiber strip storage and overturning device; the conveying device is used for conveying the fiber strips transmitted by the lifting device of the unit or conveying devices of other units to the direction of the drawing frame; the transmission device is connected with the lifting device and the conveying device and is powered by the power device; the conveying device is provided with a monitoring device for monitoring the occurrence of broken strips; the power device is connected with the speed control device.
A speed measuring element is arranged in a transmission system behind the three rollers of the drawing frame, and the rotating speed of the speed measuring element and the three rollers have a fixed proportional relation; the speed measuring element is used for transmitting the measured rotation speed signals of the three rollers to a control system in the comb parallel unit; the control system respectively sends the rotation speed signals of the three rollers to the speed control device of each fiber strip conveying device unit, and the speed control device of each fiber strip conveying device unit can respectively control the running speed of the power device of each fiber strip conveying device unit according to the rotation speed signals.
The speed difference between the lifting roller of the drawing frame and the conveying roller of the adjacent fiber strip conveying device units and between the conveying rollers of the adjacent fiber strip conveying device units is 1-1.03 times.
The lifting device comprises a cylindrical lifting roller, a short cylindrical lifting roller press roller and a guide ring; a lifting roller press roll is arranged at the rear upper part of the lifting roller and is used for increasing the holding of the lifting roller on the fiber strips; the guide ring is arranged below the lifting roller and the lifting roller press roller and is used for guiding the fiber strips so that the fiber strips do not run out of the control range of the lifting roller press roller.
The conveying device consists of a plurality of conveying rollers with teeth on the cylindrical surfaces and the outer diameters of the conveying rollers are the same.
The transmission device is powered by a motor arranged on the power device, and the transmission device is connected with the lifting device and the conveying device, so that the lifting roller of the lifting device and the conveying roller of the conveying device run at the same speed on the surface.
The monitoring device adopts a broken bar monitor, and at least one broken bar monitor is arranged in a set of fiber strip conveying device units and is used for stopping the operation of the unit and sending out a reminding signal for connecting the fiber strips when broken bars occur.
The control system is arranged in a parallel carding unit, the parallel carding unit comprises n carding machines (n=3-6), n-1 sets of fiber strip conveying device units and a drawing frame, and each carding machine is provided with a set of fiber strip storage and overturning device; and the fiber strips in the first set of fiber strip storage and turnover device are extracted and lifted by a lifting roller of the drawing frame. The fiber strips in the other fiber strip storage and turnover devices are extracted and lifted by the fiber strip conveying device units correspondingly arranged; the multiple fiber strip conveying device units simultaneously run in a serial mode, and each fiber strip conveying device unit only extracts and lifts one fiber strip and conveys the fiber strip to the drawing frame direction.
By adopting the technical scheme, the sliver which is output by the carding machine and turned over can be continuously conveyed to the drawing frame through the sliver conveying device unit provided by the system. Realizing the technical aim of continuous and automatic production from cotton carding process to drawing process. Thereby changing the current situation that the raw sliver can is required to be used as an intermediate storage tool in the production process from the prior cotton carding process to the drawing process. So that the automatic connection of a plurality of carding machines and a drawing frame and the continuous production are possible.
In the existing cotton and cotton chemical fiber spinning engineering, a plurality of fiber strip conveying devices with independent power sources are used and are arranged in series to realize the technology of conveying fiber strips for a long distance, but no technology has yet appeared.
Drawings
FIG. 1 is a schematic view of a drawing frame disposed on the left side of a sliver conveying device unit;
FIG. 2 is a schematic view of a drawing frame disposed on the right side of a sliver conveying device unit;
FIG. 3 is a schematic diagram of the working principle of a fiber strip conveying device in a parallel comb unit;
fig. 4 is a schematic view (top view) of the principle of operation of the sliver conveying device unit;
fig. 5 is a schematic diagram of the structure of the left transfer conveying unit.
The reference numerals in the figures represent the following:
1-carding machine;
2. 2 (a), 2 (b), 2 (c), … …, 2 (n) -fiber strip storage and turning device;
3. 3 (a), 3 (b), … …, 3 (n-1) -left conveying fiber ribbon conveying device;
4-drawing frame;
5-right conveying sliver conveying device;
31—lifting roller;
32—lifting roller press roller;
33—a guide ring;
34. 34 (a), 34 (b), … …, 34 (n-1) -motors;
35—a delivery roller;
36—a broken bar monitor;
37-roller transmission device;
38—a connection frame;
39—support columns;
41-drawing frame three rollers;
42—drawing frame drive train;
43—a speed measuring element;
44-control System
45 (a), 45 (b), … …, 45 (n-1) -speed controllers.
Detailed Description
At the end of the last eighties of the century, the japan completed the automated continuous production line of carding machines to drawing frames (sometimes referred to as a parallel comb assembly). The drawing, lifting and transporting of the sliver is accomplished by a sliver guide of an elongated non-autoleveller drawing frame.
In the comb parallel machine set developed by the invention, an auto-leveling drawing frame is used. Thus, the drawing, lifting and conveying of the fiber strips are completed by the lengthened sliver guide device, and the quantitative stability of the output fiber strips of the drawing frame can be influenced. The fiber strip conveying device unit provided by the invention is used as a device for drawing, lifting and conveying the fiber strips in the overturning and storing device to the direction of the drawing frame, and can play a role in stabilizing the output ration of the drawing frame.
As shown in fig. 5, each conveyor unit includes: lifting device, conveying device, transmission device, power device, monitoring device and frame and support column etc. parts of above system and device are installed. Also comprises a speed control device. The lifting device is used for extracting and lifting the fiber strips from the fiber strip storage and overturning device; the conveying device is used for conveying the fiber strips transmitted by the lifting device of the unit or conveying devices of other units to the direction of the drawing frame; the transmission device is connected with the lifting device and the conveying device and is powered by the power device; the conveying device is provided with a monitoring device for monitoring the occurrence of broken strips; the power device is connected with the speed control device.
The lifting device consists of a cylindrical lifting roller 31, a short cylindrical lifting roller press roller 32 and a guide ring 33.
The conveying device consists of a plurality of conveying rollers with teeth on the cylindrical surfaces and the outer diameters of the conveying rollers are the same.
The transmission 37 is powered by the motor 34 of the power plant.
The transmission device is connected with the lifting device and the conveying device, so that the lifting roller and the conveying roller run at the same speed on the surface.
In the parallel comb unit developed by the invention, a plurality of sets of fiber sliver conveying device units are operated in a serial mode at the same time. Each set of fiber strip conveying device unit only extracts and lifts one fiber strip and conveys the fiber strip to the drawing frame direction. The specific configuration is as follows: each of n carding machines (n=3 to 6) is provided with 1 set of fiber strip storage and turnover device, and a parallel carding unit (shown in fig. 1 and 2) is formed by n-1 sets of fiber strip conveying device units and a drawing frame. The technical aim of continuous and automatic production from the cotton carding process to the drawing process is fulfilled.
Whether conveyed to the left or to the right, each sliver conveying device unit consists of: the device comprises a cylindrical lifting roller, a lifting roller press roller, a guide ring, a plurality of cylindrical conveying rollers with teeth on the surfaces, a motor, a set of corresponding transmission devices, at least one broken bar monitor, support columns, connecting frames and other main structural members.
In the embodiment of fig. 1 and 2, fig. 1 and 2 illustrate two arrangements of the drawing frame on the left and right side of the sliver conveying device unit, respectively. The sliver conveying device is thus divided into two configurations of conveying the sliver conveying device to the left and conveying the sliver conveying device to the right.
Fig. 1 is a schematic view of a drawing frame arranged on the left side of a comb parallel assembly. Each set of comb parallel machine set comprises: n carding machines 1 (n=3 to 6); each carding machine is provided with a set of fiber sliver storage and overturning device 2; an n-1 set of sliver conveying device units 3 and a drawing frame 4. Since the drawing frame 4 is arranged on the left side of the assembly. Therefore, the first set of fiber strips on the left side in the fiber strip storing and turning device 2 is extracted and lifted by the lifting rollers of the drawing frame 4. The second set of fiber strips on the left side is stored and the fiber strips in the turnover device 2 are extracted and lifted by the lifting rollers of one set of fiber strip conveying device units 3 of the adjacent drawing frame 4. The fiber strips in the rightmost set of fiber strip storage and turnover device 2 are extracted and lifted by the lifting rollers of the nth-1 set of fiber strip conveying device unit 3. Thus, the fiber strips produced by the n carding machines 1 are stored by n sets of fiber strips and turned by the turning device 2. Is drawn and lifted by a lifting roller of an n-1 set of fiber rod conveying device units 3 and a drawing frame 4. Meanwhile, the materials are fed into a drawing frame to be drawn.
Fig. 2 is a schematic view of a drawing frame disposed on the right side of a comb parallel assembly. Since the drawing frame 4 is arranged on the right side of the assembly. The sliver feeder unit 5 is thus bilaterally symmetrical to the sliver feeder unit 3 arranged on the right side of the drawing frame. Also because the drawing frame 4 is arranged on the right side of the assembly. Therefore, the direction of conveyance of the sliver after the sliver is lifted up by the sliver conveying device unit 5 is opposite to that of the drawing frame 4.
In fig. 3 and 4, the operation of the sliver transporting device unit in the parallel-to-comb machine set will be described by taking the machine set with the drawing frame disposed on the left side of the parallel-to-comb machine set as an example. Fig. 5 shows the constitution of the unit of the conveying device for conveying the fiber web to the left. And the right conveying fiber strip conveying device unit is symmetrical with the left conveying fiber strip conveying device unit.
As shown in fig. 3 and 4, the operation of the sliver conveying device unit is controlled by drawing frame 4. In the drive train 42 following the drawing frame three rollers 41, a speed measuring element 43 is installed. The rotational speed of this tachometer element 43 has a fixed proportional relationship with the three rollers 41 of the drawing frame. The speed measuring element 43 transmits the measured rotational speed signal of the three rollers 41 to the control system 44 of the parallel carding unit, and the control system controls the working speed of the sliver conveying device unit 3 (a) … … (n-1) or 5 (a) … … (n-1).
The control system 44 transmits the rotational speed signal of the three rollers 41 to the speed controllers 45 (a), 45 (b), … …, 45 (n-1) of the respective sliver conveying device units. The speed controllers 45 (a), 45 (b), … …, 45 (n-1) of the individual sliver conveying device units control the operating speeds of the individual sliver conveying device unit motors 34 (a), 34 (b), … …, 34 (n-1), respectively, in accordance with this rotational speed signal.
In a parallel comb assembly, there may be a small difference in the operating speed of each sliver carrying device unit. This is mainly determined by the "retractive" nature of the fibers in the sliver. The farther the distance of conveyance, the more the fiber is retracted in the fiber strand. Namely: the sliver conveying device unit furthest from the drawing frame has the highest running speed. The closer to the sliver carrying device unit of the drawing frame, the lower the running speed. The speed difference between the lifting roller of the drawing frame and the conveying roller of the adjacent fiber strip conveying device units and between the conveying rollers of the adjacent fiber strip conveying device units is 1-1.03 times.
Fig. 5 further illustrates the main constituent structure of the sliver conveying device unit, taking the leftward transfer conveying unit as an example. Each set of sliver conveying device units has a cylindrical lifting roller 31 as an element for lifting the sliver. A lifting roller press roller 32 is arranged above and behind the lifting roller 31 to increase the holding of the fiber strand by the lifting roller 31. Below the lifting roller 31 and the lifting roller press roller 32, a guide ring 33 is provided for guiding the fibre sliver so that it does not run outside the control range of the lifting roller press roller 32.
After being lifted up to the upper part of the lifting roller 31, the fiber ribbon is conveyed in the drawing machine direction by a plurality of cylindrical conveying rollers 35 with teeth on the surfaces. In a set of sliver conveying device units, at least one sliver breaking monitor 36 is provided for stopping the operation of the machine set and reminding the operator to connect the sliver when the sliver breaking occurs. Each set of fiber strip conveying device unit is provided with a power source; namely; a motor 34. As the power for the transmission 37. The main components in the above sliver conveying device unit are mounted on the connection frame 38 and lifted by the support column 39 to a prescribed height from the ground.
By adopting the technical scheme, the sliver which is output by the carding machine and turned over can be continuously conveyed to the drawing frame through the sliver conveying device unit provided by the system. Realizing the technical aim of continuous and automatic production from cotton carding process to drawing process. Thereby changing the current situation that the raw sliver can is required to be used as an intermediate storage tool in the production process from the cotton carding process to the drawing process. So that the automatic connection of a plurality of carding machines and a drawing frame and the continuous production are possible.
Claims (1)
1. A sliver conveying device unit, characterized by: the device comprises a lifting device, a conveying device, a transmission device, a monitoring device, a power device, a speed control device and a frame for mounting the devices, wherein the frame is provided with a support column; the lifting device is used for extracting and lifting the fiber strips from the fiber strip storage and overturning device; the conveying device is used for conveying the fiber strips transmitted by the lifting device of the unit or conveying devices of other units to the direction of the drawing frame; the transmission device is connected with the lifting device and the conveying device and is powered by the power device; the conveying device is provided with a monitoring device for monitoring the occurrence of broken strips; the power device is connected with the speed control device;
the speed measuring element is arranged in a transmission system behind the three rollers of the drawing frame, and the rotating speed of the speed measuring element and the three rollers have a fixed proportional relation; the speed measuring element is used for transmitting the measured rotation speed signals of the three rollers to a control system in the comb parallel unit; the control system respectively sends the rotation speed signals of the three rollers to the speed control device of each fiber strip conveying device unit, and the speed control device of each fiber strip conveying device unit can respectively control the running speed of the power device of each fiber strip conveying device unit according to the rotation speed signals;
the speed difference between the lifting roller of the drawing frame and the conveying roller of the adjacent fiber strip conveying device units and between the conveying rollers of the adjacent fiber strip conveying device units is 1-1.03 times; the fiber strip conveying device unit farthest from the drawing frame has the highest running speed, and the running speed is lower as the fiber strip conveying device unit is closer to the drawing frame;
the lifting device comprises a cylindrical lifting roller, a short cylindrical lifting roller press roller and a guide ring; a lifting roller press roll is arranged at the rear upper part of the lifting roller and is used for increasing the holding of the lifting roller on the fiber strips; a guide ring is arranged below the lifting roller and the lifting roller press roller and used for guiding the fiber strips so that the fiber strips do not run out of the control range of the lifting roller press roller;
the conveying device consists of a plurality of conveying rollers with teeth on the cylindrical surfaces and the outer diameters of the conveying rollers are the same;
the transmission device is powered by a motor arranged on the power device, and is connected with the lifting device and the conveying device, so that the lifting roller of the lifting device and the conveying roller of the conveying device run at the same speed on the surface;
the monitoring device adopts a broken bar monitor, and at least one broken bar monitor is arranged in a set of fiber strip conveying device units and is used for stopping the operation of a unit and sending out a reminding signal for connecting fiber strips when broken bars occur;
the control system is arranged in a parallel carding unit, the parallel carding unit comprises n carding machines (n=3-6), n-1 sets of fiber strip conveying device units and a drawing frame, and each carding machine is provided with a set of fiber strip storage and overturning device; the fiber strips in the first set of fiber strip storage and turnover devices are extracted and lifted by a lifting roller of the drawing frame, and the fiber strips in the other sets of fiber strip storage and turnover devices are conveyed to the drawing frame by fiber strip conveying device units correspondingly arranged;
the multiple fiber strip conveying device units simultaneously run in a serial mode, and each fiber strip conveying device unit only extracts and lifts one fiber strip and conveys the fiber strip to the drawing frame direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119768.0A CN107745997B (en) | 2017-11-14 | 2017-11-14 | Sliver conveying device unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711119768.0A CN107745997B (en) | 2017-11-14 | 2017-11-14 | Sliver conveying device unit |
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|---|---|
| CN107745997A CN107745997A (en) | 2018-03-02 |
| CN107745997B true CN107745997B (en) | 2023-07-07 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110055634B (en) * | 2019-05-21 | 2023-11-07 | 武汉裕大华纺织服装集团有限公司 | Cotton spinning logistics conveying system |
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