CN110820086B - Turnover start-up leather roller pressurizing structure of carding machine pre-drafting device - Google Patents
Turnover start-up leather roller pressurizing structure of carding machine pre-drafting device Download PDFInfo
- Publication number
- CN110820086B CN110820086B CN201911328843.3A CN201911328843A CN110820086B CN 110820086 B CN110820086 B CN 110820086B CN 201911328843 A CN201911328843 A CN 201911328843A CN 110820086 B CN110820086 B CN 110820086B
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- Prior art keywords
- pressurizing
- bottom plate
- hole
- spring
- adjusting
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- 239000010985 leather Substances 0.000 title claims abstract description 25
- 238000009960 carding Methods 0.000 title claims abstract description 14
- 230000007306 turnover Effects 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000007547 defect Effects 0.000 abstract description 3
- 229920000742 Cotton Polymers 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/10—Carding machines with other apparatus, e.g. drafting devices, in integral or closely-associated combination
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/46—Loading arrangements
- D01H5/50—Loading arrangements using springs
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The turnover opening and closing type leather roller pressurizing structure of the carding machine pre-drafting device comprises a pressurizing bottom plate and a rotary opening and closing mechanism, wherein the rotary opening and closing mechanism comprises a side plate seat, a limiting pin, a handle and a spring, a limiting groove is formed in the side plate seat, a bolt hole is formed in the pressurizing bottom plate, the limiting pin is sleeved in the bolt hole in a clearance manner, the limiting pin is fixedly connected with the handle, the handle is pushed to drive the limiting pin to be inserted into or withdrawn from the limiting groove, the spring is arranged between the bottom of the pin hole and the limiting pin, and the spring pushes the limiting pin to be in a locking state in a free state; the pressurizing bottom plate can turn over relative to the side plate seat around the pin shaft. The pressurizing bottom plate is opened only by inwards poking the handle, so that the limiting pin is withdrawn from the limiting groove. When the pressurizing bottom plate needs to be closed, the pressurizing bottom plate can be locked by turning upwards around the rotating pin shaft, the pressurizing bottom plate is light and convenient, time is saved, the opening and closing time is only 5 seconds, each maintenance time is saved by 2 hours compared with the traditional scheme, and the defects in the prior art can be overcome ideally.
Description
Technical Field
The invention belongs to the field of textile machinery, and particularly relates to a carding machine with a pre-drafting function.
Background
With the increase of labor cost and the increase of energy saving and efficiency enhancing requirements of textile enterprises, the high-speed and high-yield of carding machines has become a basic requirement. Based on this requirement, the increasing pre-drafting arrangement on carding machines is becoming a trend. The pre-drafting device can draft single raw sliver at a small multiplying power, and can also achieve a leveling effect on sliver evenness. The pre-drafting device has the advantages that the pre-drafting device is required to be simple in structure and convenient to adjust and maintain, the pre-drafting device of cotton slivers is not arranged on a traditional carding machine, the pre-drafting device of cotton slivers is arranged on a drawing frame generally, the applicant discloses a scheme of adding the pre-drafting device of cotton slivers on the carding machine on the name of a carding machine with the pre-drafting function in patent application number 201910246965.1, but the pressurizing bottom plate in the leather roller pressurizing structure is a fixed structure, the pressurizing bottom plate is required to be disassembled and assembled every time of shutdown maintenance or re-threading, even if the pressurizing bottom plate is required to be disassembled and assembled for daily blowing maintenance, the auxiliary time of shutdown maintenance and finishing is prolonged, the running time of the whole machine is shortened, the operation difficulty and the workload of operators are increased, and the adjustment and maintenance are inconvenient.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a turnover start-up type leather roller pressurizing structure of a pre-drafting device of a carding machine, which has a simple structure and is convenient for daily maintenance and re-sliver guiding operation.
The turnover opening and closing type leather roller pressurizing structure of the carding machine pre-drafting device comprises a pressurizing bottom plate, an adjusting plate, a leather roller pressurizing assembly, a rotary opening and closing mechanism, an adjusting drafting roller and a fixed drafting roller, wherein two bottom plate screw holes for installing the leather roller pressurizing assembly and two bottom plate adjusting grooves are arranged on the pressurizing bottom plate, the central connecting line of the two bottom plate screw holes is positioned in the same vertical plane with the corresponding fixed drafting roller axis arranged below the pressurizing bottom plate, the axes of the two bottom plate adjusting grooves pass through the centers of the adjacent bottom plate screw holes, the groove width of the bottom plate adjusting grooves is larger than the outer diameter of a threaded sleeve in the leather roller pressurizing assembly, the length dimension of the bottom plate adjusting grooves corresponds to the adjusting distance of the adjusting drafting roller, rotating pin holes are arranged on two side surfaces of one end of the pressurizing bottom plate in a collinear manner, pin holes are arranged on two side surfaces of the other end of the pressurizing bottom plate, and a hand lever pushing hole is arranged on the upper end surface of the pressurizing bottom plate corresponding to the length center position of the pin holes; the adjusting plate is provided with more than two outer roller adjusting grooves which are arranged in parallel and a second connecting screw hole for installing a leather roller pressurizing assembly, the adjusting plate is fixed on a pressurizing bottom plate through an adjusting bolt, the leather roller pressurizing assembly comprises a threaded sleeve, a pressure adjusting plug, a pressurizing spring and a pressurizing step shaft, an outer thread is arranged on the outer side of the threaded sleeve, a matching hole, a spring hole and a guiding hole are sequentially formed in an inner hole of the threaded sleeve from top to bottom, the aperture of the guiding hole is smaller than that of the matching hole and the spring hole, the threaded sleeve is screwed in the screw hole of the bottom plate or the second connecting screw hole and is locked by a locking nut, the pressurizing step shaft is sleeved in the spring hole and the guiding hole, the pressurizing spring is sleeved in the spring hole, and the lower end face of the pressurizing spring is pressed on the upper end face of the pressurizing step shaft; the pressure regulating plug is pressed in the matching hole in an interference fit manner to prevent the pressurizing spring from moving upwards;
The rotary opening and closing mechanism comprises side plate seats, limit pins, handles and springs, wherein the side plate seats are arranged on two sides of the pressurizing bottom plate, limit grooves are formed in the side plate seats, the limit pins are sleeved in the bolt holes in a clearance mode and can move axially freely in the bolt holes, the limit pins and the handles are fixedly connected into a whole, the handles are pushed to drive the limit pins to be inserted into or withdrawn from the limit grooves in the side plate seats, the springs are arranged between the bottoms of the bolt holes and the limit pins, and the springs push the limit pins to be in an inserting state in a free state; the pressurizing bottom plate is rotatably connected with the two side plate seats through a rotating pin shaft, and can turn over relative to the side plate seats around the rotating pin shaft.
Further, two outer roller adjusting grooves are formed in the adjusting plate.
Because the pressurizing bottom plate is designed into a structure which can be overturned relative to the side plate seat, when the pre-traction mechanism is required to be subjected to cleaning maintenance or maintenance, adjustment or repair, the handle in the rotating opening and closing mechanism is only required to be shifted inwards, so that the limiting pin compresses the spring and exits from the limiting groove on the side plate seat, and the pressurizing bottom plate can be overturned relative to the side plate seat around the pin shaft, so that the internal parts of the pre-traction device are exposed. When the pressurizing bottom plate is required to be closed after maintenance or repair is finished, the pressurizing bottom plate is only required to be overturned upwards around the rotating pin shaft, when the pressurizing bottom plate is overturned to be extremely limited, the end part of the limiting pin is inserted into the limiting groove on the side plate seat under the action of the spring to realize locking, the locking is light and convenient, time is saved, the opening and closing time is only required to be 5 seconds, and the time from opening to closing is saved by 2 hours each time compared with the traditional scheme.
Drawings
Fig. 1 is a schematic view of a structure in which a leather roller is in a pressurized state.
Fig. 2 is a view in the direction a of fig. 1.
Fig. 3 is a schematic structural view of the pressing bottom plate.
Fig. 4 is a schematic structural view of the adjusting plate.
Fig. 5 is a schematic view of the construction of the roller pressurizing assembly.
Fig. 6 is a schematic structural view of a threaded sleeve.
Fig. 7 is a schematic structural view of the rotary opening and closing mechanism.
In the figure: 1-a pressurizing bottom plate; 2-adjusting plates; 3-a roller pressurizing assembly; 4-rotating an opening and closing mechanism;
5-adjusting the drafting roller; 6-fixing a drafting roller; 7, rotating the pin shaft; 8-locking nuts; 11-a screw hole of the bottom plate;
12-a bottom plate adjusting groove; 13-a pivot hole; 14-a pin hole; 15-a hand lever pushing hole; 16-fixing threaded holes;
21-an outer roller adjusting groove; 22-a second connecting screw hole; 23-adjusting bolts; 31-threaded sleeve; 32-a pressure regulating plug; 33-a compression spring; 34-pressurizing the step shaft; 311-mating holes; 312-spring holes; 313-guide holes;
41-side plate seats; 42-limiting pins; 43-handle; 44-springs; 45-limit grooves.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings:
Example 1: the turnover starting and closing type leather roller pressurizing structure of the carding machine pre-drafting device comprises a pressurizing bottom plate 1, an adjusting plate 2, a leather roller pressurizing assembly 3, a rotary opening and closing mechanism 4, an adjusting drafting roller 5 and a fixed drafting roller 6, wherein two bottom plate screw holes 11 for installing the leather roller pressurizing assembly 3 and two bottom plate adjusting grooves 12 are arranged on the pressurizing bottom plate 1, the central connecting line of the two bottom plate screw holes 11 and the axis of the corresponding fixed drafting roller 6 arranged below the pressurizing bottom plate 1 are positioned in the same vertical plane, the axis of the two bottom plate adjusting grooves 12 passes through the centers of the adjacent bottom plate screw holes 11, the groove width of the bottom plate adjusting grooves 12 is larger than the outer diameter of a threaded sleeve 31 in the leather roller pressurizing assembly 3, the length dimension of the bottom plate adjusting grooves 12 corresponds to the adjusting distance of the adjusting drafting roller 5, rotating pin holes 13 are arranged on two side surfaces of one end of the pressurizing bottom plate 1 in a collinear manner, pin holes 14 are arranged on two side surfaces of the other end of the pressurizing bottom plate 1, and a hand rod pushing hole 15 is arranged on the upper end surface of the pressurizing bottom plate 1 and corresponds to the length center position of the pin holes 14; the adjusting plate 2 is provided with two outer roller adjusting grooves 21 which are arranged in parallel and a second connecting screw hole 22 for installing the leather roller pressurizing assembly 3, the adjusting plate 2 is fixed on the pressurizing bottom plate 1 through an adjusting bolt 23, the leather roller pressurizing assembly 3 comprises a threaded sleeve 31, a pressure adjusting plug 32, a pressurizing spring 33 and a pressurizing step shaft 34, an outer thread is arranged on the outer side of the threaded sleeve 31, a matching hole 311, a spring hole 312 and a guiding hole 313 are sequentially arranged in an inner hole of the threaded sleeve 31 from top to bottom, the aperture of the guiding hole 313 is smaller than that of the matching hole 311 and the spring hole 312, the threaded sleeve 31 is screwed in the bottom plate screw hole 11 or the second connecting screw hole 11 and is locked by a locking nut 8, the pressurizing step shaft 34 is sleeved in the spring hole 312 and the guiding hole 313, the pressurizing spring 33 is sleeved in the spring hole 312, and the lower end face of the pressurizing spring 33 is pressed on the upper end face of the pressurizing step shaft 34; the pressure regulating plug 32 is pressed into the matching hole 311 in an interference fit manner to prevent the pressurizing spring 33 from moving upwards;
The rotary opening and closing mechanism 4 comprises a side plate seat 41, a limiting pin 42, a handle 43 and a spring 44, wherein the side plate seat 41 is arranged on two sides of the pressurizing bottom plate 1, a limiting groove 45 is formed in the side plate seat 41, the limiting pin 42 is sleeved in the bolt hole 14 in a clearance manner and can freely axially move in the bolt hole, the limiting pin 42 and the handle 43 are fixedly connected into a whole, the limiting pin 42 can be driven to be inserted into or withdrawn from the limiting groove 45 on the side plate seat 41 by pushing the handle 43, the spring 44 is arranged between the bottom of the bolt hole 14 and the limiting pin 42, and the limiting pin 42 is pushed by the spring 44 to be in a plugging state in a free state; the pressurizing bottom plate 1 is rotatably connected with the two side plate seats 41 through the rotating pin shafts 7, and the pressurizing bottom plate 1 can turn over relative to the side plate seats 41 around the rotating pin shafts 7.
Because the structure that can overturn is designed between the pressurizing bottom plate 1 and the side plate seat 41, when the pre-traction mechanism is required to be cleaned and maintained or the pre-traction mechanism is required to be maintained, adjusted or maintained, the handle 43 in the rotating opening and closing mechanism 4 is only required to be shifted inwards, so that the limiting pin 42 pushes the spring 44 to compress and withdraw from the limiting groove 45 on the side plate seat 41, and the pressurizing bottom plate 1 can overturn relative to the side plate seat 41 around the pin shaft 7, and the pre-traction device is exposed. When the pressurizing bottom plate 1 is required to be closed after maintenance or repair is finished, the pressurizing bottom plate 1 is only required to be overturned upwards around the rotating pin shaft 7, and when the pressurizing bottom plate 1 is overturned to be extremely limited, the end part of the limiting pin 42 is inserted into the limiting groove 45 on the side plate seat 41 automatically under the action of the spring 44, so that locking is realized, the pressurizing bottom plate is light and time-saving, the opening and closing time is only required to be 5 seconds, each maintenance time is 2 hours less than that of the traditional scheme, and the defects in the prior art can be ideally overcome.
The embodiments of the present invention are numerous and not listed here, as long as the rotation scheme of the pressing base plate 1 is adopted, and all functional schemes that enable the adjusting plate 2 to move are all within the scope of the present invention.
Claims (2)
1. A turnover opening and closing type leather roller pressurizing structure of a carding machine pre-drafting device is characterized in that:
The device comprises a pressurizing bottom plate (1), an adjusting plate (2), a leather roller pressurizing assembly (3), a rotary opening and closing mechanism (4), an adjusting drafting roller (5) and a fixed drafting roller (6), wherein two bottom plate screw holes (11) for installing the leather roller pressurizing assembly (3) and two bottom plate adjusting grooves (12) are formed in the pressurizing bottom plate (1), a connecting line of the centers of the two bottom plate screw holes (11) and the axes of the corresponding fixed drafting rollers (6) arranged below the pressurizing bottom plate (1) are in the same vertical plane, the axes of the two bottom plate adjusting grooves (12) pass through the centers of the adjacent bottom plate screw holes (11), the groove width of the bottom plate adjusting grooves (12) is larger than the outer diameter of a threaded sleeve (31) in the leather roller pressurizing assembly (3), the length dimension of the bottom plate adjusting grooves (12) corresponds to the adjusting distance of the adjusting drafting roller (5), pin holes (13) are formed in the two side surfaces of one end of the pressurizing bottom plate (1) in a collinear manner, pin holes (14) are formed in the two side surfaces of the other end of the pressurizing bottom plate (1), and a pushing rod (15) is formed in the upper end surface of the pressurizing bottom plate (1) corresponding to the center hole (14); the adjusting plate (2) is provided with more than two outer roller adjusting grooves (21) which are arranged in parallel and a second connecting screw hole (22) for installing a leather roller pressurizing assembly (3), the adjusting plate (2) is fixed on the pressurizing bottom plate (1) through an adjusting bolt (23), the leather roller pressurizing assembly (3) comprises a threaded sleeve (31), a pressure adjusting plug (32), a pressurizing spring (33) and a pressurizing step shaft (34), external threads are arranged on the outer side of the threaded sleeve (31), a matching hole (311), a spring hole (312) and a guide hole (313) are sequentially arranged in an inner hole of the threaded sleeve (31) from top to bottom, the aperture of the guide hole (313) is smaller than that of the matching hole (311) and the spring hole (312), the threaded sleeve (31) is screwed in the bottom plate screw hole (11) or the second connecting screw hole (22) and is locked by a locking nut (8), the pressurizing step shaft (34) is sleeved in the spring hole (312) and the guide hole (313), the pressurizing spring (33) is arranged in the spring hole (312), and the lower end face of the pressurizing spring (33) is sleeved on the pressurizing step shaft (34); the pressure regulating plug (32) is pressed in the matching hole (311) in an interference fit mode, so that the pressurizing spring (33) is prevented from moving upwards;
The rotary opening and closing mechanism (4) comprises a side plate seat (41), a limiting pin (42), a handle (43) and a spring (44), wherein the side plate seat (41) is arranged on two sides of the pressurizing bottom plate (1), a limiting groove (45) is formed in the side plate seat (41), a bolt hole (14) is formed in the pressurizing bottom plate (1), the limiting pin (42) is sleeved in the bolt hole (14) in a clearance manner and can move freely and axially in the bolt hole, the limiting pin (42) and the handle (43) are fixedly connected into an upper body, the limiting pin (42) can be driven by pushing the handle (43) to be inserted into or withdrawn from the limiting groove (45) on the side plate seat (41), the spring (44) is arranged between the bottom of the pin hole and the limiting pin (42), and the spring (44) pushes the limiting pin (42) to be in a locking state in a free state; the pressurizing bottom plate (1) is rotatably connected with the two side plate seats (41) through the rotating pin shafts (7), and the pressurizing bottom plate (1) can rotate around the rotating pin shafts (7) to turn over relative to the side plate seats (41).
2. The roll-over opening and closing type leather roller pressurizing structure of a carding machine pre-drafting device according to claim 1, characterized in that: two outer roller adjusting grooves (21) which are arranged in parallel are arranged on the adjusting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328843.3A CN110820086B (en) | 2019-12-20 | 2019-12-20 | Turnover start-up leather roller pressurizing structure of carding machine pre-drafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328843.3A CN110820086B (en) | 2019-12-20 | 2019-12-20 | Turnover start-up leather roller pressurizing structure of carding machine pre-drafting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110820086A CN110820086A (en) | 2020-02-21 |
| CN110820086B true CN110820086B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911328843.3A Active CN110820086B (en) | 2019-12-20 | 2019-12-20 | Turnover start-up leather roller pressurizing structure of carding machine pre-drafting device |
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| Country | Link |
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| CN (1) | CN110820086B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116288825A (en) * | 2023-04-18 | 2023-06-23 | 无锡长江精密纺织有限公司 | Wind pressure type apron cotton guide device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982301A (en) * | 1975-01-29 | 1976-09-28 | Lawrence Llach | Variable drive mechanism for carding machine |
| CN2228090Y (en) * | 1995-01-26 | 1996-05-29 | 国营石家庄第六棉纺织厂 | Improved sliver lapper for carding machine |
| CN102493024A (en) * | 2011-12-16 | 2012-06-13 | 青岛宏大纺织机械有限责任公司 | Carding machine with pre-drafting can coil |
| CN102493029A (en) * | 2011-12-08 | 2012-06-13 | 江苏凯宫机械股份有限公司 | Three-over-five drafting device for cotton spinning comber |
| CN202297928U (en) * | 2011-10-20 | 2012-07-04 | 青岛宏大纺织机械有限责任公司 | Cradle for drafting device |
| CN103469372A (en) * | 2013-09-03 | 2013-12-25 | 苏拉（金坛）纺织机械有限公司 | Automatic balance pressurization mechanism for pulling rollers of can coilers |
| CN203498534U (en) * | 2013-09-03 | 2014-03-26 | 苏拉（金坛）纺织机械有限公司 | Automatic balancing and pressurizing mechanism of coiler traction roller |
| CN109853091A (en) * | 2019-03-29 | 2019-06-07 | 卓郎（常州）纺织机械有限公司 | A kind of carding machine with preliminary draft function |
| CN211771713U (en) * | 2019-12-20 | 2020-10-27 | 卓郎（常州）纺织机械有限公司 | Turning open-close type leather roller pressurizing structure of carding machine pre-drafting device |
-
2019
- 2019-12-20 CN CN201911328843.3A patent/CN110820086B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982301A (en) * | 1975-01-29 | 1976-09-28 | Lawrence Llach | Variable drive mechanism for carding machine |
| CN2228090Y (en) * | 1995-01-26 | 1996-05-29 | 国营石家庄第六棉纺织厂 | Improved sliver lapper for carding machine |
| CN202297928U (en) * | 2011-10-20 | 2012-07-04 | 青岛宏大纺织机械有限责任公司 | Cradle for drafting device |
| CN102493029A (en) * | 2011-12-08 | 2012-06-13 | 江苏凯宫机械股份有限公司 | Three-over-five drafting device for cotton spinning comber |
| CN102493024A (en) * | 2011-12-16 | 2012-06-13 | 青岛宏大纺织机械有限责任公司 | Carding machine with pre-drafting can coil |
| CN103469372A (en) * | 2013-09-03 | 2013-12-25 | 苏拉（金坛）纺织机械有限公司 | Automatic balance pressurization mechanism for pulling rollers of can coilers |
| CN203498534U (en) * | 2013-09-03 | 2014-03-26 | 苏拉（金坛）纺织机械有限公司 | Automatic balancing and pressurizing mechanism of coiler traction roller |
| CN109853091A (en) * | 2019-03-29 | 2019-06-07 | 卓郎（常州）纺织机械有限公司 | A kind of carding machine with preliminary draft function |
| CN211771713U (en) * | 2019-12-20 | 2020-10-27 | 卓郎（常州）纺织机械有限公司 | Turning open-close type leather roller pressurizing structure of carding machine pre-drafting device |
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| CN110820086A (en) | 2020-02-21 |
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