CN112323184A - Cotton-like fiber processing is with opening device - Google Patents
Cotton-like fiber processing is with opening device Download PDFInfo
- Publication number
- CN112323184A CN112323184A CN202011144218.6A CN202011144218A CN112323184A CN 112323184 A CN112323184 A CN 112323184A CN 202011144218 A CN202011144218 A CN 202011144218A CN 112323184 A CN112323184 A CN 112323184A
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- opening
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
- D01G9/14—Details of machines or apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
- D01G9/14—Details of machines or apparatus
- D01G9/22—Driving arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention relates to the technical field of cotton-like fibers and discloses an opening device for processing cotton-like fibers, which comprises an opening box, the opening box is rotatably provided with an opening roller and an opening plate parallel to the opening roller, the opening plate is positioned below the opening roller and is provided with a placing gap, a plurality of groups of opening assemblies are distributed on the opening plate in a rectangular array, each opening assembly comprises a first opening mechanism and a second opening mechanism, the first opening mechanism comprises two symmetrically arranged bar-shaped holes and two movable rods respectively and movably arranged in the bar-shaped holes, the two movable rods are arranged in a V shape, the top ends of the two movable rods can be rotatably accommodated in the corresponding bar-shaped holes, and the bottom of two movable rods is located the below of the loosening plate and is connected with a first driving unit, and two fixed frames which are rotationally connected with the movable rods are fixed on the bottom surface of the loosening plate. The cotton-like fiber opener is simple in structure, convenient, uniform and good in opening effect, and can open cotton-like fibers in multiple directions.
Description
Technical Field
The invention relates to the technical field of cotton fibers, in particular to an opening device for processing cotton-like fibers.
Background
The cotton fiber opening device is equipment for loosening compressed and entangled fiber raw materials and removing impurities, but the existing opening device is simple in structure and has no good cleaning property.
Chinese patent CN210237867U discloses an opening device for processing cotton-like fibers, which comprises a base, the lower extreme external surface fixed connection of base has the stabilizer blade, and the upper end external surface fixed connection organism of base, the inside swing joint of organism has the second hired roughneck, and one side of second hired roughneck is provided with the conveyer belt, one side that the second hired roughneck was kept away from to the conveyer belt is provided with first hired roughneck, the position swing joint that the upper end of organism is close to one side has the pressure section of thick bamboo, and one side external surface fixed connection of organism has feeding platform. This scheme makes this device possess better operability in the use through being provided with a series of structures, but it opens the effect relatively poor, opens not even enough.
Disclosure of Invention
The invention aims to provide an opening device for processing cotton-like fibers, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an imitative cotton fiber processing is with opening device, includes the opening case, open incasement rotation installation opening roller and with the parallel opening board of opening roller, the opening board is located the opening roller below and leaves and places the clearance.
The opening plate is provided with a plurality of opening assemblies in a rectangular array, and the opening assemblies comprise a first opening mechanism and a second opening mechanism.
First opening mechanism includes that the bar hole that two symmetries set up, two activities respectively locate the movable rod in the bar hole, and two movable rods are "V" type setting, and the top of two movable rods can rotate and accept in the bar hole that corresponds, and the bottom of two movable rods is located the below of the board of loosening and connects first there is drive unit, the fixed two mounts of being connected with the movable rod rotation of the bottom surface of the board of loosening, the middle part of mount and movable rod is passed through the pivot and is rotated and be connected.
The first driving unit comprises a driving piece, a push rod and connecting rods, the driving piece is fixed on the bottom surface of the loosening plate, the output end of the driving piece is connected with the push rod horizontally arranged, the two ends of the push rod are connected with the connecting rods in a sliding mode, and the tail ends of the two connecting rods are respectively connected with the bottom ends of the two movable rods in a rotating mode.
The second opens the mechanism including offering through-hole on the board of opening, following guide arm and a plurality of movable block of sliding connection on the guide arm wherein through-hole length direction is fixed, the longitudinal section of movable block is the rhombus, and the one end of movable block stretches out the through-hole, and the below of through-hole sets up and opens the second drive unit that the board is connected, the second drive unit is used for driving the movable block and slides along the guide arm.
As the further improvement of above-mentioned scheme, one side intercommunication that two bar holes kept away from has seted up in the mounting hole, the symmetry slides in the mounting hole and sets up two supplementary driving levers, and the mounting hole all stretches out on the top of two supplementary driving levers, corresponds the downthehole setting of bar two and supplementary driving lever, and the equal fixed extrusion piece in one side that two supplementary driving levers are relative, the end of movable rod is contradicted between two extrusion pieces, slides in order to promote two supplementary driving levers, connects through elastic connection spare between two supplementary driving levers.
As a further improvement of the scheme, the distance between the two extrusion blocks is reduced from top to bottom.
As a further improvement of the scheme, two sliding rods which are arranged in parallel are arranged in the mounting hole, and the bottom end of the auxiliary deflector rod is connected with the two sliding rods in a sliding manner.
As a further improvement of the above scheme, the second driving unit includes an adjusting plate, a first extruding block, a telescopic rod, and a cam, the adjusting plate is disposed below the loosening plate in parallel, the adjusting plate and the loosening plate are connected through a plurality of telescopic rods, a return spring is sleeved on the outer side of the telescopic rod, the cam is disposed between the adjusting plate and the loosening plate, and the outer annular surface of the cam is respectively abutted against the adjusting plate and the loosening plate.
As a further improvement of the above scheme, the adjusting plate and the loosening plate are respectively fixed with a first extrusion block and a second extrusion block, and the outer ring surfaces of the cam respectively abut against the first extrusion block and the second extrusion block.
As a further improvement of the scheme, a cylindrical spring is arranged on the outer side of the guide rod between the adjacent movable blocks, and two ends of the cylindrical spring respectively abut against the two corresponding movable blocks.
As a further improvement of the above scheme, the top of the top end of the movable rod is rotatably connected with a rotary rod through a pin shaft, one end of the rotary rod is connected with the movable rod through a return spring, and the elastic force of the return spring pushes one end connected with the return spring to move upwards.
As a further improvement of the scheme, the strip-shaped holes and the corresponding mounting holes are communicated through communication holes.
As a further improvement of the scheme, the elastic connecting piece is a tension spring, and two ends of the tension spring are respectively connected with the two auxiliary driving levers.
The invention has the beneficial effects that:
when the cotton-like fiber opening device provided by the invention is used, a gap between the opening roller and the opening plate is used for placing a product to be opened, the opening roller is driven by the first motor to rotate, the cotton-like fiber can be opened, a plurality of groups of opening assemblies are distributed on the opening plate in an array manner, each opening assembly comprises a first opening mechanism and a second opening mechanism, movable rods and movable blocks contained in the first opening mechanism and the second opening mechanism can open the cotton-like fiber in the moving direction of the movable rods and the movable blocks under the driving action, and the opening effect is better.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the opening plate of the present invention;
fig. 3 is a schematic structural view of a first opening mechanism of example 1 of the present invention;
fig. 4 is a schematic view of a first opening mechanism of example 2 of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic view of a second opening mechanism of the present invention;
FIG. 7 is a schematic view of an opening assembly of the present invention;
fig. 8 is an enlarged view of fig. 7 at B according to the present invention.
In the figure: the opening box comprises an opening box 1, a first motor 2, an opening roller 3, an opening plate 4, a strip-shaped hole 401, a through hole 402, a movable rod 5, a rotating shaft 6, a fixed frame 7, a driving piece 8, a push rod 9, a connecting rod 10, an auxiliary shifting rod 11, a rotating rod 12, a return spring 13, a movable block 14, a guide rod 15, a mounting hole 16, a sliding rod 17, an elastic connecting piece 18, an extrusion block 19, a clamping plate 20, an adjusting plate 21, a first extrusion block 22, an expansion rod 23, a cam 24, a second extrusion block 25, a columnar spring 26 and a communication hole 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-8, the opening device for cotton-like fiber processing comprises an opening box 1, wherein an opening roller 3 and an opening plate 4 parallel to the opening roller 3 are rotatably mounted in the opening box 1, and the opening plate 4 is positioned below the opening roller 3 and is provided with a placing gap.
The opening plate 4 is provided with a plurality of opening assemblies in a rectangular array, and the opening assemblies comprise a first opening mechanism and a second opening mechanism.
First opening mechanism includes two bar holes 401 that the symmetry set up, two respectively the activity locate the movable rod 5 in the bar hole 401, and two movable rods 5 are "V" type setting, and the top of two movable rods 5 can rotate to accept in the bar hole 401 that corresponds, and the bottom of two movable rods 5 is located the below of the board 4 that opens and connects and have the drive unit first, the fixed two of bottom surface of the board 4 that opens rotate the mount 7 of being connected with movable rod 5, the middle part of mount 7 and movable rod 5 is rotated through pivot 6 and is connected.
First drive unit includes driving piece 8, push rod 9, connecting rod 10, driving piece 8 is fixed in the bottom surface of division board 4, and the push rod 9 that the level set up is connected to the output of driving piece 8, the equal sliding connection in both ends of push rod 9 has connecting rod 10, and the end of two connecting rods 10 rotates with the bottom of two movable rods 5 respectively and is connected, and driving piece 8 is electric putter or cylinder in this scheme.
The second opening mechanism comprises a through hole 402 formed in the opening plate 4, a guide rod 15 fixed in the length direction of the through hole 402 and a plurality of movable blocks 14 connected to the guide rod 15 in a sliding mode, the longitudinal section of each movable block 14 is rhombic, one end of each movable block 14 extends out of the through hole 402, a second driving unit connected with the opening plate 4 is arranged below the through hole 402, and the second driving unit is used for driving the movable blocks 14 to slide along the guide rod 15.
As the further improvement of above-mentioned scheme, one side intercommunication that two bar holes 401 kept away from mutually has seted up in mounting hole 16, the symmetry slides in the mounting hole 16 and sets up two supplementary driving levers 11, and mounting hole 16 all stretches out on the top of two supplementary driving levers 11, corresponds and sets up in the bar hole 401 two and supplementary driving lever 11, and two supplementary driving lever 11 equal fixed extrusion piece 19 in the relative one side, the end of movable rod 5 is contradicted between two extrusion pieces 19, slides in order to promote two supplementary driving levers 11, connects through flexible connectors 18 between two supplementary driving levers 11, and wherein the extrusion piece is fixed on two splint 20, two splint 20 respectively with two supplementary driving lever 11 fixed connection.
As a further improvement of the above solution, the distance between the two squeezing blocks 19 decreases from top to bottom; when the movable rod 5 is rotatably accommodated in the strip-shaped hole 41, the tail end of the movable rod 5 can gradually pressurize the two squeezing blocks 19, and the distance between the two squeezing blocks 19 is changed.
As a further improvement of the above scheme, two parallel slide bars 17 are arranged in the mounting hole 16, and the bottom end of the auxiliary shift lever 11 is slidably connected to the two slide bars 17; the installation and the disassembly are convenient, and the structure operation is stable.
As a further improvement of the above scheme, the second driving unit includes an adjusting plate 21, a first extruding block 22, an expansion link 23, and a cam 24, the adjusting plate 21 is disposed below the loosening plate 4 in parallel, the adjusting plate 21 and the loosening plate 4 are connected through a plurality of expansion links 23, a return spring is sleeved on the outer side of the expansion link 23, the cam 24 is disposed between the adjusting plate 21 and the loosening plate 4, the outer annular surface of the cam 24 abuts against the adjusting plate 21 and the loosening plate 4, and a protrusion is disposed between the bottoms of the adjacent movable blocks 14, the protrusion is fixedly connected to the second driving unit, wherein a cylindrical return spring is sleeved on the outer side of the expansion link 23, so that the adjusting plate 21 always abuts against the cam under the driving of the cam 24.
Wherein the one end of cam 24 is connected with outside motor, and the drive cam rotates, drives regulating plate 21 and opens and changes apart from taking place between the board 4 to lug and regulating plate 21 are close to one side of opening the board 4 and are fixed, and when regulating plate 21 and opened when changing apart from taking place between the board 4, the lug can be through two adjacent movable blocks 14 of extrusion, slide along the guide arm with driving movable block 14, thereby open imitative cotton fiber on the sliding direction.
As a further improvement of the above scheme, a first extrusion block 22 and a second extrusion block 25 are respectively fixed on the adjusting plate 21 and the opening plate 4, and the outer annular surfaces of the cam 24 respectively abut against the first extrusion block 22 and the second extrusion block 25; the cam 24 rotates to push the adjusting plate 4 to move, and the distance value between the adjusting plate 21 and the opening plate 4 is changed.
As a further improvement of the above scheme, a cylindrical spring 26 is installed outside the guide rod 15 between the adjacent movable blocks 14, and two ends of the cylindrical spring 26 respectively abut against the two corresponding movable blocks 14; so that the movable block 14 is relatively fixed in position without being subjected to other external forces, thereby facilitating continuous operation for a long time.
As a further improvement of the above solution, the strip-shaped holes 401 are communicated with the corresponding mounting holes 16 through communication holes 27, wherein the clamping plate 20 is movably penetrated through the communication holes, and the two ends of the clamping plate are fixedly connected with the auxiliary shift lever 11 and the extrusion block 19; the installation and the disassembly are convenient, so that the auxiliary shifting rod 11 is connected with the clamping plate.
As a further improvement of the above scheme, the elastic connecting piece 18 is a tension spring, and two ends of the tension spring are respectively connected with the two auxiliary shift levers 11; the elastic connection 18 enables the two auxiliary levers 11 to return to the initial position without being pressed by the movable rod 5, so as to operate continuously for a long time.
Example 2:
referring to fig. 4, in this embodiment, as a further improvement based on embodiment 1, a top of a top end of the movable rod 5 is rotatably connected with a rotating rod 12 through a pin, one end of the rotating rod 12 is connected with the movable rod 5 through a return spring 13, an elastic force of the return spring 13 pushes the end connected with the return spring to move upwards, and when the movable rod 5 is far away from the strip-shaped hole 41, the rotating rod 12 performs an opening operation on the cotton-like fibers in a rotating direction thereof under the action of the return force of the return spring 13.
The imitative cotton fiber opening device that this device provided is when using, and the clearance between opening roller 3 and opening board 4 is used for placing the product of treating opening, and 2 work drive opening rollers 3 of first motor rotate, can open imitative cotton fiber, and this device is opening the subassembly on opening board 4 array distribution a plurality of groups, and it includes first opening mechanism and second opening mechanism to open the subassembly, and first opening mechanism and second open the movable rod 5 and the movable block 14 that contain in the mechanism and can open in its movable direction to imitative cotton fiber under the drive, open the effect better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An opening device for cotton-like fiber processing comprises an opening box (1), wherein an opening roller (3) and an opening plate (4) parallel to the opening roller (3) are rotatably mounted in the opening box (1), and the opening plate (4) is positioned below the opening roller (3) and is provided with a placing gap;
a plurality of groups of opening assemblies are distributed on the opening plate (4) in a rectangular array, and each opening assembly comprises a first opening mechanism and a second opening mechanism;
the first opening mechanism comprises two symmetrically arranged strip-shaped holes (401) and two movable rods (5) movably arranged in the strip-shaped holes (401) respectively, the two movable rods (5) are arranged in a V shape, the top ends of the two movable rods (5) can be rotatably accommodated in the corresponding strip-shaped holes (401), the bottom ends of the two movable rods (5) are positioned below the opening plate (4) and are connected with a first driving unit, two fixed frames (7) rotatably connected with the movable rods (5) are fixed on the bottom surface of the opening plate (4), and the fixed frames (7) are rotatably connected with the middle parts of the movable rods (5) through rotating shafts (6);
the first driving unit comprises a driving piece (8), push rods (9) and connecting rods (10), the driving piece (8) is fixed on the bottom surface of the loosening plate (4), the output end of the driving piece (8) is connected with the horizontally arranged push rods (9), the two ends of each push rod (9) are connected with the corresponding connecting rod (10) in a sliding mode, and the tail ends of the two connecting rods (10) are respectively connected with the bottom ends of the two movable rods (5) in a rotating mode;
the second opens the mechanism including offering through-hole (402) on loosening board (4), following through-hole (402) length direction fixes guide arm (15) wherein and a plurality of movable block (14) of sliding connection on guide arm (15), the longitudinal section of movable block (14) is the rhombus, and the one end of movable block (14) stretches out through-hole (402), and the below of through-hole (402) sets up the second drive unit who is connected with loosening board (4), the second drive unit is used for driving movable block (14) and slides along guide arm (15).
2. The opening device for cotton-like fiber processing according to claim 1, characterized in that: one side intercommunication that two bar holes (401) kept away from mutually has seted up in mounting hole (16), the symmetry slides in mounting hole (16) and sets up two supplementary driving levers (11), and mounting hole (16) all stretch out on the top of two supplementary driving levers (11), set up two and supplementary driving lever (11) in corresponding bar hole (401), two supplementary driving lever (11) equal fixed extrusion piece (19) in relative one side, the end of movable rod (5) is contradicted between two extrusion pieces (19), slides in order to promote two supplementary driving levers (11), connects through elastic connection spare (18) between two supplementary driving levers (11).
3. The opening device for cotton-like fiber processing according to claim 1, characterized in that: the distance between the two squeezing blocks (19) decreases from top to bottom.
4. The opening device for cotton-like fiber processing according to claim 1, characterized in that: two sliding rods (17) arranged in parallel are arranged in the mounting hole (16), and the bottom end of the auxiliary shifting lever (11) is connected with the two sliding rods (17) in a sliding manner.
5. The opening device for cotton-like fiber processing according to claim 1, characterized in that: the second driving unit comprises an adjusting plate (21), a first extrusion block (22), telescopic rods (23) and a cam (24), wherein the adjusting plate (21) is arranged below the loosening plate (4) in parallel, the adjusting plate (21) and the loosening plate (4) are connected through the telescopic rods (23), a return spring is sleeved on the outer side of each telescopic rod (23), the cam (24) is located between the adjusting plate (21) and the loosening plate (4), and the outer annular surface of the cam (24) is respectively abutted to the adjusting plate (21) and the loosening plate (4).
6. The opening device for cotton-like fiber processing according to claim 1, characterized in that: a first extrusion block (22) and a second extrusion block (25) are respectively fixed on the adjusting plate (21) and the opening plate (4), and the outer ring surface of the cam (24) is respectively abutted against the first extrusion block (22) and the second extrusion block (25).
7. The opening device for cotton-like fiber processing according to claim 1, characterized in that: and a cylindrical spring (26) is arranged on the outer side of the guide rod (15) between the adjacent movable blocks (14), and two ends of the cylindrical spring (26) respectively abut against the two corresponding movable blocks (14).
8. The opening device for cotton-like fiber processing according to claim 1, characterized in that: the top of the top end of the movable rod (5) is connected with a rotary rod (12) through a pin roll in a rotating manner, one end of the rotary rod (12) is connected with the movable rod (5) through a return spring (13), and the elastic force of the return spring (13) pushes one end connected with the elastic force to move upwards.
9. The opening device for cotton-like fiber processing according to claim 1, characterized in that: the strip-shaped holes (401) are communicated with the corresponding mounting holes (16) through communication holes (27).
10. The opening device for cotton-like fiber processing according to claim 2, characterized in that: the elastic connecting piece (18) is a tension spring, and two ends of the tension spring are respectively connected with the two auxiliary driving levers (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144218.6A CN112323184B (en) | 2020-10-23 | 2020-10-23 | Cotton-like fiber processing is with opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144218.6A CN112323184B (en) | 2020-10-23 | 2020-10-23 | Cotton-like fiber processing is with opening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112323184A true CN112323184A (en) | 2021-02-05 |
| CN112323184B CN112323184B (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011144218.6A Active CN112323184B (en) | 2020-10-23 | 2020-10-23 | Cotton-like fiber processing is with opening device |
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| Country | Link |
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| CN (1) | CN112323184B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624945A (en) * | 2021-07-30 | 2021-11-09 | 安徽省农业科学院棉花研究所 | Cotton fiber fineness measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6615455B1 (en) * | 2002-09-16 | 2003-09-09 | Akiva Pinto | Fiber opening apparatus |
| CN106835370A (en) * | 2016-12-30 | 2017-06-13 | 安徽谢佑圣电子科技有限公司 | A kind of fiber opening equipment |
| CN108716031A (en) * | 2018-08-02 | 2018-10-30 | 浙江兴得利纺织有限公司 | A kind of blowing mechanism of scribbled |
| CN110184688A (en) * | 2019-05-31 | 2019-08-30 | 河南七彩虹农业科技股份有限公司 | A kind of anticlogging cotton opener |
| CN209836400U (en) * | 2019-04-22 | 2019-12-24 | 任丽 | Cotton cleaning device for step-type spinning |
| CN210506611U (en) * | 2019-06-11 | 2020-05-12 | 上饶市广丰区科盛纺织有限公司 | Opener is used in old cotton processing |
-
2020
- 2020-10-23 CN CN202011144218.6A patent/CN112323184B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6615455B1 (en) * | 2002-09-16 | 2003-09-09 | Akiva Pinto | Fiber opening apparatus |
| CN106835370A (en) * | 2016-12-30 | 2017-06-13 | 安徽谢佑圣电子科技有限公司 | A kind of fiber opening equipment |
| CN108716031A (en) * | 2018-08-02 | 2018-10-30 | 浙江兴得利纺织有限公司 | A kind of blowing mechanism of scribbled |
| CN209836400U (en) * | 2019-04-22 | 2019-12-24 | 任丽 | Cotton cleaning device for step-type spinning |
| CN110184688A (en) * | 2019-05-31 | 2019-08-30 | 河南七彩虹农业科技股份有限公司 | A kind of anticlogging cotton opener |
| CN210506611U (en) * | 2019-06-11 | 2020-05-12 | 上饶市广丰区科盛纺织有限公司 | Opener is used in old cotton processing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624945A (en) * | 2021-07-30 | 2021-11-09 | 安徽省农业科学院棉花研究所 | Cotton fiber fineness measuring device |
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| CN112323184B (en) | 2021-09-03 |
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