CN109402751B - Drafting machine - Google Patents
Drafting machine Download PDFInfo
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- CN109402751B CN109402751B CN201811313573.4A CN201811313573A CN109402751B CN 109402751 B CN109402751 B CN 109402751B CN 201811313573 A CN201811313573 A CN 201811313573A CN 109402751 B CN109402751 B CN 109402751B
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- drafting
- draft
- roller
- fixedly connected
- threaded rod
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention discloses a drafting machine, which comprises a frame, wherein a drafting box is fixedly arranged on the frame, a motor box is arranged on one side of the upper end of a drafting roller, an opening is formed in the upper end of the motor box, a lifting device is arranged in the motor box, and the lifting device comprises: servo motor, lifter, threaded rod and stopper, the bottom symmetry of motor case is equipped with the lifter, servo motor's output shaft and the one end fixed connection of threaded rod, the other end screw thread of threaded rod runs through the outside that the bottom surface of motor case reachd the motor case and rotates the outer lane that is connected with the bearing, and the inner circle of bearing is fixed cup joints on the draft roller. According to the invention, the lifting device is arranged, the straight rod slides on the inner wall of the sleeve through the piston, the servo motor moves upwards, the threaded rod is driven to move upwards, and the connecting plate is lifted upwards, so that the gap between the first group of drafting devices and the second group of drafting devices is changed.
Description
Technical Field
The invention relates to the technical field of drafting machines, in particular to a drafting machine.
Background
The drafting machine is a common device on a spinning production line of a chemical fiber plant, and each production line is usually provided with a plurality of drafting machines for drafting tows according to a certain drafting rate so as to meet the process requirements of the tows. The drafting machines are various in types, and can be divided into a polyester staple fiber drafting machine, an adhesive staple fiber drafting machine and a special fiber drafting machine according to the variety division of the yarns, and can be divided into a high-speed light-load drafting machine, a high-speed heavy-load drafting machine, a low-speed light-load drafting machine and a low-speed heavy-load drafting machine according to the use working condition division of the drafting machines.
Draw machine on the existing market is in the course of the work, it will go up one row of draft roller to utilize oil pressure operating system control hydro-cylinder to mention usually, the fibre web of being convenient for passes through between two rows of rollers from top to bottom, but the difficult adjustment of oil pressure system synchronism, overall cost is high, pollute the cotton layer easily during the oil leak, draw machine front end bearing generally adopts the lubricated mode of thin oil forced circulation, this kind of seal structure, it is not good to seal the oil effect, the seepage appears easily, bearing and axle are corroded, the oil blanket is by the problem of dust wearing and tearing, be unfavorable for the normal use of draw machine.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, an oil pressure lifting system is generally used for controlling an oil cylinder to lift a row of drafting rollers on the upper drafting roller in the working process of a drafting machine, so that a fiber web can conveniently pass between an upper row of rollers and a lower row of rollers, but the synchronism of the oil pressure system is not easy to adjust, the overall cost is high, a cotton layer is easy to pollute in oil leakage, and the sealing effect of a bearing at the front end of the drafting machine is poor.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a drafting machine, which comprises a frame, fixed mounting has the draft case in the frame, the inner wall upper end swing joint of draft case has first group draft device, and the inner wall lower extreme fixedly connected with second group draft device of draft case, first group draft device comprises four draft rollers, and second group draft device comprises three draft roller, and the draft roller staggered arrangement on first group draft device and the second group draft device, the upper end one side of draft roller is equipped with the motor case, the opening has been seted up to the upper end of motor case, the inside of motor case is equipped with elevating gear, elevating gear includes: servo motor, lifter, threaded rod and stopper, the bottom symmetry of motor case is equipped with the lifter, servo motor's output shaft and the one end fixed connection of threaded rod, the other end screw thread of threaded rod runs through the outside that the motor case was reachd to the bottom surface of motor case and rotates the outer lane that is connected with the bearing, and the inner circle of bearing is fixed to be cup jointed on the draft roller, one side fixed mounting of draft roller has the support, the one end fixed mounting of support has the brush.
Preferably, be equipped with the connecting plate in the draft incasement, four draft rollers of first set of draft device are located the one end of draft incasement and link to each other through the connecting plate, the one end that the draft roller is located the draft incasement rotates with the connecting plate to be connected, the one end of the back lateral wall fixedly connected with stopper of draft roller is kept away from to the connecting plate, the bar groove sliding connection that the other end and the draft incasement wall of stopper were seted up.
Preferably, the outer surface of the bearing is sleeved with a conical sleeve, one side of the upper end of the conical sleeve is provided with a compression nut, a gasket is fixedly connected below the compression nut, and an O-shaped ring is fixedly connected below the gasket.
Preferably, the lifting rod includes: the piston is connected to the inner wall of the sleeve in a sliding mode, the upper end face of the piston is fixedly connected with one end of the straight rod, and the other end of the straight rod penetrates through the top end of the sleeve in a sliding mode to reach the outside of the sleeve and is fixedly connected with the side wall of the servo motor.
Preferably, the gap between the sensor and the surface of the drafting roller is 4-5 mm.
Preferably, a sensor is arranged on one side of the hairbrush close to the drafting roller, and the sensor is fixedly installed on the support.
Preferably, the back of the brush is provided with a magnet, and the support is fixedly connected with an iron sheet through a screw.
Compared with the prior art, the invention provides a drafting machine, which has the following beneficial effects:
1. this drafting machine, through setting up elevating gear, servo motor's output shaft transmits power for the threaded rod, make the threaded rod rotate, the threaded rod drives the bearing motion, can take the connecting plate motion when the bearing motion, when servo motor needs the upward movement, the straight-bar passes through the piston and slides on telescopic inner wall, make servo motor upward movement, take the threaded rod upward movement and then upwards promote the connecting plate, thereby change the clearance of first group drafting arrangement and the drafting arrangement of second group, make things convenient for the silk bundle to pass from two sets of drafting arrangements, the oil leak phenomenon can not appear.
2. This drafting machine, through setting up toper cover, gland nut, packing ring and O type circle, when using, gland nut screws, through packing ring extrusion O type circle downwards, under the combined action with the conical surface, O type circle pastes tight toper cover and bearing simultaneously to make toper cover and bearing form the annular seal area, play good sealed effect, prevent that the seepage from appearing, bearing and axle are corroded, the oil blanket is by the problem of dust wearing and tearing, guarantee drafting machine's normal use.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic structural view of a drafting machine according to the present invention;
fig. 2 is a cross-sectional view of a drafting electromechanical chassis according to the present invention;
FIG. 3 is a cross-sectional view of a drawing box of the drawing machine according to the present invention;
fig. 4 is a cross-sectional view of a draft gear lift bar according to the present invention;
fig. 5 is a cross-sectional view of a drafting machine bearing according to the present invention;
fig. 6 is an enlarged view of the drawing machine of fig. 3 according to the present invention.
In the figure: 1. a frame; 2. a drawing box; 3. a motor case; 4. a drawing roller; 5. a lifting device; 6. a servo motor; 7. a lifting rod; 8. a threaded rod; 9. a limiting block; 10. a bearing; 11. a support; 12. a brush; 13. a conical sleeve; 14. a compression nut; 15. a gasket; 16. an O-shaped ring; 17. a sensor; 18. a magnet; 19. iron sheets; 20. a straight rod; 21. a sleeve; 22. a piston; 23. a connecting plate.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
a drafting machine comprises a frame 1, a drafting box 2 is fixedly arranged on the frame 1, the drafting box 2 is of a cast iron structure, used for supporting a drafting roller 4, the upper end of the inner wall of the drafting box 2 is movably connected with a first group of drafting devices, and the lower end of the inner wall of the drafting box 2 is fixedly connected with a second group of drafting devices, the first group of drafting devices consists of four drafting rollers 4, the second group of drafting devices consists of three drafting rollers 4, the drafting rollers 4 on the first group of drafting devices and the drafting rollers 4 on the second group of drafting devices are arranged in a staggered way, a motor box 3 is arranged on one side of the upper end of the drawing roller 4, an opening is arranged on the upper end of the motor box 3, a servo motor 6 can move upwards at the opening during the working process, and then promote first set of draft device, adjust the distance of two sets of draft devices, the inside of motor case 3 is equipped with elevating gear 5, elevating gear 5 includes: servo motor 6, lifter 7, threaded rod 8 and stopper 9, the bottom symmetry of motor case 3 is equipped with lifter 7, and lifter 7 is used for supporting servo motor 6, utilizes straight-bar 20 to slide on sleeve 21's inner wall through piston 22 simultaneously, makes servo motor 6 up-and-down motion, servo motor 6's output shaft and the one end fixed connection of threaded rod 8, servo motor 6 drives the motion of threaded rod 8, the outside that motor case 3 was reachd to the bottom surface that motor case 3 was run through to the other end screw thread of threaded rod 8 rotates the outer lane that is connected with bearing 10, and bearing 10's inner circle is fixed cup jointed on draft roller 4, one side fixed mounting of draft roller 4 has support 11, the one end fixed mounting of support 11 has brush 12, and brush 12 can clean the pencil, reduces the debris on the pencil.
Example 2:
a bearing 10 is fixedly connected with one side of the drafting roller 4 close to the drafting box 2, a conical sleeve 13 is sleeved on the outer surface of the bearing 10, the conical sleeve 13 is made of rubber materials and can prevent the bearing 10 from being worn, a compression nut 14 is arranged on one side of the upper end of the conical sleeve 13, a washer 15 is fixedly connected below the compression nut 14, an O-ring 16 is fixedly connected to the lower portion of the gasket 15, the O-ring 16 is a good sealing member, and is made of rubber, and when the compression nut 14 is tightened, the O-ring 16 is pressed downward by the gasket 15, under the combined action of the conical surface and the O-shaped ring 16, the O-shaped ring is simultaneously attached to the conical sleeve 13 and the bearing 10, thereby make taper sleeve 13 and bearing 10 form the annular sealing strip, play good sealed effect, can effectually prevent that seepage, bearing and axle from being corroded, the oil blanket is by the problem of dust wearing and tearing, guarantee the normal use of draft machine.
Example 3:
be equipped with connecting plate 23 in the draft case 2, the one end that four draft rollers 4 of first set of draft device are located draft case 2 links to each other through connecting plate 23, the one end that draft roller 4 is located draft case 2 rotates with connecting plate 23 to be connected, the one end of rear side wall fixedly connected with stopper 9 of draft roller 4 is kept away from to connecting plate 23, the bar groove sliding connection that the other end of stopper 9 and 2 inner walls of draft case were seted up, stopper 9 can restrict connecting plate 23 range of motion, lifter 7 includes: the device comprises a sleeve 21 and a straight rod 20, wherein a piston 22 is connected to the inner wall of the sleeve 21 in a sliding manner, the upper end face of the piston 22 is fixedly connected with one end of the straight rod 20, the other end of the straight rod 20 penetrates through the top end of the sleeve 21 in a sliding manner and is fixedly connected with the side wall of a servo motor 6, a brush 12 is fixedly mounted at one end of a support 11, a sensor 17 is arranged on one side, close to a drawing roller 4, of the brush 12, the sensor 17 is fixedly mounted on the support 11, the gap between the sensor 17 and the surface of the drawing roller 4 is 4-5mm, when a Qian filament is wound on the drawing roller 4, the brush 12 is expanded by filament bundles, the gap is enlarged, the type of the sensor 17 is AS084-AD1-V3, a probe on the sensor 17 can sensitively transmit a winding roller signal to an electric control box, an alarm is mounted on the control box, the drafting machine can automatically stop, the magnet 18 is arranged on the back of the brush 12, the iron sheet 19 is fixedly connected to the support 11 through a screw, and the brush 12 can be conveniently taken down from the support 11 according to the magnetic action between the magnet 18 and the iron sheet 19 when the brush 12 breaks down, so that the brush 12 is convenient to install and detach.
When the drafting machine works, the servo motor 6 in the lifting device 5 rotates, an output shaft of the servo motor 6 transmits power to the threaded rod 8, so that the threaded rod 8 rotates, the threaded rod 8 is connected with the outer ring of the bearing 10 in a rotating manner, the bearing 10 rotates along with the threaded rod, the inner ring of the bearing 10 is fixedly sleeved on the drafting roller 4, one end of the drafting roller 4 is connected with the connecting plate 23 in a rotating manner, the connecting plate 23 can be driven by the movement of the bearing 10, when the servo motor 6 needs to move upwards, the straight rod 20 slides on the inner wall of the sleeve 21 through the piston 22, so that the servo motor 6 moves upwards, the threaded rod 8 is driven to move upwards, and the connecting plate 23 is lifted upwards, so that the gap between the first group of drafting devices and the second group of drafting devices is changed, and tows can conveniently pass through; when sealing up bearing 10, gland nut 14 should be screwed, extrude O type circle 16 downwards through packing ring 15, under the combined action with the conical surface, O type circle 16 pastes tight taper sleeve 13 and bearing 10 simultaneously to make taper sleeve 13 and bearing 10 form the annular sealing area, play good sealed effect, prevent that seepage, bearing 10 and axle from being corroded, the oil blanket is by the problem of dust wearing and tearing, guarantee the normal use of draft machine.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a drafting machine, includes frame (1), fixed mounting has draft case (2) on frame (1), the inner wall upper end swing joint of draft case (2) has a first set of draft device, and the inner wall lower extreme fixedly connected with second group draft device of draft case (2), a first set of draft device comprises four draft rollers (4), and a second group draft device comprises three draft roller (4), draft roller (4) staggered arrangement on a first set of draft device and the second group draft device, its characterized in that, the upper end one side of draft roller (4) is equipped with motor case (3), the opening has been seted up to the upper end of motor case (3), the inside of motor case (3) is equipped with elevating gear (5), elevating gear (5) include: servo motor (6), lifter (7), threaded rod (8) and stopper (9), the bottom symmetry of motor case (3) is equipped with lifter (7), the output shaft of servo motor (6) and the one end fixed connection of threaded rod (8), the other end screw thread of threaded rod (8) runs through the outside that the bottom surface of motor case (3) reachs motor case (3) and rotates the outer lane that is connected with bearing (10), the inner circle of bearing (10) is fixed to be cup jointed on draft roller (4), one side fixed mounting of draft roller (4) has support (11), the one end fixed mounting of support (11) has brush (12), one side that brush (12) are close to draft roller (4) is equipped with sensor (17), sensor (17) fixed mounting is on support (11), the back of brush (12) is equipped with magnet (18), the bracket (11) is fixedly connected with an iron sheet (19) through a screw.
2. The drafting machine as claimed in claim 1, wherein a connecting plate (23) is provided in the drafting box (2), one end of the four drafting rollers (4) of the first group of drafting devices located in the drafting box (2) is connected through the connecting plate (23), one end of the drafting rollers (4) located in the drafting box (2) is rotatably connected with the connecting plate (23), one end of the connecting plate (23) far away from the rear side wall of the drafting rollers (4) is fixedly connected with a limiting block (9), and the other end of the limiting block (9) is slidably connected with a strip-shaped groove provided in the inner wall of the drafting box (2).
3. The drawing machine as claimed in claim 1, wherein the outer surface of the bearing (10) is sleeved with a conical sleeve (13), a compression nut (14) is arranged on one side of the upper end of the conical sleeve (13), a washer (15) is fixedly connected below the compression nut (14), and an O-shaped ring (16) is fixedly connected below the washer (15).
4. A drafting machine as in claim 1, characterized in that said lifting rod (7) comprises: the servo motor comprises a sleeve (21) and a straight rod (20), a piston (22) is connected to the inner wall of the sleeve (21) in a sliding mode, the upper end face of the piston (22) is fixedly connected with one end of the straight rod (20), and the other end of the straight rod (20) penetrates through the top end of the sleeve (21) in a sliding mode to reach the outside of the sleeve (21) and is fixedly connected with the side wall of the servo motor (6).
5. A drafting machine as claimed in claim 1, characterised in that said sensor (17) is spaced from the surface of the drafting roller (4) by a distance of 4-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313573.4A CN109402751B (en) | 2018-11-06 | 2018-11-06 | Drafting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313573.4A CN109402751B (en) | 2018-11-06 | 2018-11-06 | Drafting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109402751A CN109402751A (en) | 2019-03-01 |
| CN109402751B true CN109402751B (en) | 2021-04-23 |
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ID=65471779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313573.4A Active CN109402751B (en) | 2018-11-06 | 2018-11-06 | Drafting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109402751B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020789B (en) * | 2020-02-27 | 2020-12-04 | 金华园吉服饰股份有限公司 | Fiber spinning roller, fiber spinning method and fabric |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2951267A (en) * | 1957-10-09 | 1960-09-06 | Casablancas High Draft Co Ltd | Improvements in or relating to textile fibre drafting apparatus |
| CN106235690A (en) * | 2016-07-31 | 2016-12-21 | 合肥柏隆科技发展有限公司 | A kind of can the Intelligent cabinet of automatic lifting |
| CN206092729U (en) * | 2016-08-25 | 2017-04-12 | 浙江德宏汽车电子电器股份有限公司 | Bell mouth belt pulley locking structure |
| CN206319091U (en) * | 2016-12-16 | 2017-07-11 | 安徽东锦资源再生科技有限公司 | The special seven rollers drafting system of polyester fiber |
| CN207313763U (en) * | 2017-08-17 | 2018-05-04 | 江苏金斗重工有限公司 | A kind of seven roller drafting machine of terylene |
| CN108109943A (en) * | 2017-12-15 | 2018-06-01 | 安徽省繁昌县皖南阀门铸造有限公司 | A kind of thermal processing chamber of coating apparatus |
-
2018
- 2018-11-06 CN CN201811313573.4A patent/CN109402751B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2951267A (en) * | 1957-10-09 | 1960-09-06 | Casablancas High Draft Co Ltd | Improvements in or relating to textile fibre drafting apparatus |
| CN106235690A (en) * | 2016-07-31 | 2016-12-21 | 合肥柏隆科技发展有限公司 | A kind of can the Intelligent cabinet of automatic lifting |
| CN206092729U (en) * | 2016-08-25 | 2017-04-12 | 浙江德宏汽车电子电器股份有限公司 | Bell mouth belt pulley locking structure |
| CN206319091U (en) * | 2016-12-16 | 2017-07-11 | 安徽东锦资源再生科技有限公司 | The special seven rollers drafting system of polyester fiber |
| CN207313763U (en) * | 2017-08-17 | 2018-05-04 | 江苏金斗重工有限公司 | A kind of seven roller drafting machine of terylene |
| CN108109943A (en) * | 2017-12-15 | 2018-06-01 | 安徽省繁昌县皖南阀门铸造有限公司 | A kind of thermal processing chamber of coating apparatus |
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| Publication number | Publication date |
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| CN109402751A (en) | 2019-03-01 |
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