阅读说明：本技术 一种棉纺机牵伸罗拉加压装置的报警机构及其使用方法 (Alarm mechanism of drafting roller pressurizing device of cotton spinning machine and use method thereof ) 是由 叶长基 于 2020-12-28 设计创作，主要内容包括：本发明公开了一种棉纺机牵伸罗拉加压装置的报警机构及其使用方法,涉及棉纺机技术领域,包括气缸安装箱内部的气缸,且气缸中具有活塞杆,所述气缸安装箱的下表面中部通过螺钉连接有连接座,连接座的正下方设置有皮辊,而皮辊的正下方设置有牵伸罗拉,牵伸罗拉与皮辊之间预留有供棉条穿引的间隙,皮辊通过转轴转动连接轴套的一端,而轴套的另一端竖直朝上并固定连接防脱板,而防脱板的下部两侧抵触有弧形夹持板的两侧下沿。本发明中皮辊不仅能够随着棉条的张紧力道使得皮辊能够借助缓冲弹簧进行缓冲,实现运送棉条时的顺畅,还能被整体拆下,进而能够实现张紧与拆装两个过程,达到显著的实际使用效果。(The invention discloses an alarm mechanism of a drafting roller pressurizing device of a cotton spinning machine and a use method thereof, relating to the technical field of cotton spinning machines. The leather roller can buffer with the help of the buffer spring along with the tensioning force of the cotton sliver, so that the cotton sliver can be conveyed smoothly, the leather roller can be integrally disassembled, the tensioning and disassembling processes can be further realized, and the remarkable practical use effect is achieved.)

1. The utility model provides a cotton spinning machine draft roller pressure device's alarm mechanism, includes cylinder (6) inside cylinder install bin (4), and has piston rod (7) in cylinder (6), there is connecting seat (5) at the lower surface middle part of cylinder install bin (4) through the screw connection, is provided with leather roller (1) under connecting seat (5), and is provided with draft roller (2) under leather roller (1), reserves the clearance that supplies silver (3) to wear to draw between draft roller (2) and leather roller (1), its characterized in that, the one end of connecting axle sleeve (15) is rotated through the pivot to leather roller (1), and the other end of axle sleeve (15) is vertical upwards and fixed connection anticreep board (14), and the lower part both sides conflict of anticreep board (14) have the both sides lower limb of arc grip block (10), and the outer peripheral face of arc grip block (10) rotates the inner peripheral surface of connecting at spacing rotary drum (13), the outer peripheral surface of the limiting rotary drum (13) is in rotating contact with a cavity (12) formed in the lower portion of the connecting seat (5), the cavity (12) is integrally formed into a cylindrical cavity, the bottom of the cavity is open, an internal threaded hole (18) is formed in the middle of the upper end face of the limiting rotary drum (13), a threaded shaft (16) is connected to the internal threaded hole (18) in a threaded mode, the top end of the threaded shaft (16) is fixedly connected with one end of a movable shaft (11), the other end of the movable shaft (11) vertically faces upwards and is detachably connected to the corresponding end portion of a piston rod (7) through a coupler, a connecting block (17) is fixedly installed at the bottom end of the threaded shaft (16), two side faces of the connecting block (17) are rotatably connected with one end of a symmetrical hinged piece (28) through a rotating shaft, and the other end of the hinged piece (28, the lower surface middle part fixed connection buffer spring's of connecting block (17) one end (9), and buffer spring's (9) other end is contradicted in the upper surface of anticreep board (14), be provided with the warning subassembly between loose axle (11) middle part and cavity (12) interior top surface.

2. The alarm mechanism of the cotton spinning machine draft roller pressurizing device according to claim 1, wherein the arc-shaped clamping plate (10) is integrally formed into an arc shape matched with the inner peripheral surface of the limiting rotary drum (13), two sides of the arc-shaped clamping plate (10) are bent into a C shape, the top side of the arc-shaped clamping plate (10) is used for rotatably connecting the hinge piece (28), and the bottom side of the arc-shaped clamping plate (10) is bent upwards to form a hook part used for abutting against the lower side edge of the anti-dropping plate (14).

3. The alarm mechanism of the pressure device of the drafting roller of the cotton spinning machine as claimed in claim 1, characterized in that the top surface of the limit drum (13) is of a blocking structure, and the bottom surface thereof is of an opening structure.

4. The alarm mechanism of the pressure device of the drafting roller of the cotton spinning machine as claimed in claim 1, wherein the lower center of the cylinder mounting box (4) is provided with a through hole (8) for the piston rod (7) and the movable shaft (11) to pass through and move.

5. The alarm mechanism of the pressure device of the drafting roller of the cotton spinning machine as claimed in claim 1, wherein the middle of the top surface of the connecting seat (5) is provided with a through hole for the movable shaft (11) to pass through and slide, and the through hole is communicated with the cavity (12) in the connecting seat (5).

6. The alarm mechanism of the cotton spinning machine draft roller pressurizing device according to claim 1, wherein the alarm assembly comprises a link ring (19) fixedly sleeved on the upper portion of the movable shaft (11), movable guide pieces (20) are fixedly connected to two sides of the upper surface of the link ring (19), the movable guide pieces (20) are electrically connected with a micro power supply (21) fixedly installed on the corresponding side of the cavity (12) through leads, the micro power supply (21) is electrically connected with a buzzer (22) fixedly installed on the micro power supply (21) through leads, the buzzer (22) is electrically connected with a fixed guide piece (26) fixedly connected with the inner top of the cavity (12) through leads, and conductive contact pieces (27) are fixedly connected to two sides of the opposite surface of the fixed guide piece (26) and the movable guide piece (20).

7. The alarm mechanism of the pressure device of the drafting roller of the cotton spinning machine as claimed in claim 6, wherein the buzzer (22) is provided with a mounting hole (23) corresponding to the top of the connecting seat (5) for fixedly mounting the loudspeaker (25), and the top of the mounting hole (23) is provided with a dust screen (24).

8. The use method of the alarm mechanism of the drafting roller pressurizing device of the cotton spinning machine is characterized by comprising the following steps:

the method comprises the following steps: an alarm assembly is arranged between the middle part of the movable shaft (11) and the inner top surface of the cavity (12), and the movable shaft (11) is arranged on the piston rod (7) through a coupling;

step two: the limiting rotary drum (13) is rotated to the lowest part of the threaded shaft (16), and the anti-falling plate (14) is inserted into the arc-shaped clamping plate (10) through the leather roller (1) through the shaft sleeve (15);

step three: after the cotton sliver (3) is placed between the leather roller (1) and the drafting roller (2), the air cylinder (6) is started to adjust the leather roller (1) to a proper compaction degree, and the pressurization is completed.

Technical Field

The invention relates to the technical field of cotton spinning machines, in particular to an alarm mechanism of a drafting roller pressurizing device of a cotton spinning machine and a using method thereof.

Background

As is known, a cotton spinning machine in textile industry has a working part, namely, an upper cylindrical roller and a lower cylindrical roller are mutually attached to rotate, and a cotton sliver which is clamped between the two rollers and has a certain amplitude is conveyed by intermediate drafting. Wherein the roller below is a drawing roller, the roller above is a leather roller, two ends of the cylindrical leather roller are sleeved by shaft sleeves, in order to ensure that the upper roller and the lower roller can rotate and simultaneously keep clamping, the shaft sleeves at two ends of the leather roller are respectively provided with a pressing mechanism pressed by a cylinder piston rod

Because the cotton spinning machine works in the cotton spinning workshop, a lot of cotton dust is inevitably blown out in the workshop, when the drafting roller and the leather roller rotate mutually and are conveyed, the cotton dust blown out in the workshop and broken cotton fibers on a conveyed cotton sliver are often adhered to the leather roller, if the drafting roller and the leather roller cleaning device cannot work effectively, the cotton fibers on the leather roller or the roller are accumulated more along with the extension of working time, and the leather roller and the drafting roller are deformed and even broken and damaged if not processed, so that the continuous production cannot be realized.

Chinese utility model CN201411522 discloses a cotton spinning machine draft roller pressure device's alarm mechanism, has solved above-mentioned problem, but wherein the leather roller is through the piston rod of axle sleeve with the cylinder for rigid connection, promptly when the cylinder adjustment finishes the back, the leather roller is unable at the removal, can't carry out the small adjustment on the high low position according to the tensile force when the silver is carried, when the silver is taut when the degree is higher, have certain probability can cause whole silver card material condition of rupture even to appear in transportation process.

Disclosure of Invention

The invention aims to provide an alarm mechanism of a drafting roller pressurizing device of a cotton spinning machine and a using method thereof, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an alarm mechanism of a drafting roller pressurizing device of a cotton spinning machine comprises an air cylinder in an air cylinder installation box, a piston rod is arranged in the air cylinder, the middle of the lower surface of the air cylinder installation box is connected with a connecting seat through a screw, a leather roller is arranged under the connecting seat, a drafting roller is arranged under the leather roller, a gap for cotton sliver penetration is reserved between the drafting roller and the leather roller, the alarm mechanism is characterized in that the leather roller is rotatably connected with one end of a shaft sleeve through a rotating shaft, the other end of the shaft sleeve is vertically upwards and fixedly connected with an anti-falling plate, two sides of the lower part of the anti-falling plate are butted with two lower edges of an arc-shaped clamping plate, the outer peripheral surface of the arc-shaped clamping plate is rotatably connected with the inner peripheral surface of a limiting rotary drum, the outer peripheral surface of the limiting rotary drum is rotatably contacted with a cavity arranged at the inner lower part of the connecting seat, the cavity is integrally, and threaded connection has the screw spindle in the internal thread hole, the one end of the top fixed connection loose axle of screw spindle, and the other end of loose axle is vertical up and connect the corresponding tip at the piston rod through shaft coupling detachable, the bottom fixed mounting of screw spindle has the connecting block, and the both sides face of connecting block rotates the articulated elements one end of connecting the symmetry through the pivot, and the other end of articulated elements rotates through the pivot and connects on the top side of arc grip block corresponds the position, the lower surface middle part fixed connection buffer spring's of connecting block one end, and buffer spring's the other end is contradicted in the upper surface of anticreep board, be provided with the warning subassembly between the top surface in loose axle middle part and.

As a further scheme of the invention: arc grip block integrated into one piece is for the cambered surface shape with spacing rotary drum inner peripheral surface matched with, and the both sides of arc grip block are bent and are taken shape for C shape, and the top side of arc grip block is used for rotating the connection articulated elements, and the bottom side of arc grip block is bent the formation up and is used for supporting the portion of colluding that comes off the board downside edge.

As a further scheme of the invention: the top surface of the limiting rotary drum is of a blocking structure, and the bottom surface of the limiting rotary drum is of an opening structure.

As a further scheme of the invention: and the center of the lower part of the cylinder mounting box is provided with a through hole for the piston rod and the movable shaft to move through.

As a further scheme of the invention: and a through hole for the movable shaft to slide through is formed in the middle of the top surface of the connecting seat, and the through hole is communicated with a cavity in the connecting seat.

As a further scheme of the invention: the alarm assembly comprises a linkage ring fixedly sleeved on the upper portion of the movable shaft, movable guide pieces are fixedly connected to two sides of the upper surface of the linkage ring, the movable guide pieces are electrically connected with a miniature power supply fixedly installed on the corresponding side face of the cavity through wires, the miniature power supply is electrically connected with a buzzer fixedly installed on the miniature power supply through wires, the buzzer is electrically connected with a fixed guide piece fixedly connected with the inner top of the cavity through wires, and conductive contact pieces are fixedly connected to two sides of the opposite face of the fixed guide piece and the movable guide piece.

As a further scheme of the invention: the buzzer corresponds to the top of the connecting seat and is provided with a mounting hole for fixedly mounting the loudspeaker, and the top of the mounting hole is provided with a dust screen.

The use method of the alarm mechanism of the drafting roller pressurizing device of the cotton spinning machine comprises the following steps:

the method comprises the following steps: the alarm assembly is arranged between the middle part of the movable shaft and the inner top surface of the cavity, and the movable shaft is arranged on the piston rod through the coupler;

step two: rotating the limiting rotary drum to the lowest part of the threaded shaft, and inserting the anti-falling plate into the arc-shaped clamping plate by the leather roller through the shaft sleeve;

step three: after the cotton sliver is placed between the leather roller and the drafting roller, the air cylinder is started to adjust the leather roller to a proper compaction degree, and pressurization is completed.

Compared with the prior art, the invention has the beneficial effects that:

1. the buffer spring not only can tightly press the anti-falling plate to the lower side of the arc-shaped clamping plates, but also can enable the leather roller to have a certain compensation tensioning effect, so that the leather roller can be buffered by means of the buffer spring along with the tensioning force of the cotton sliver, the smooth conveying of the cotton sliver is realized, the phenomenon that the whole cotton sliver is blocked or even broken in the conveying process is avoided, the practicability is improved, the air cylinder can be controlled to push down the movable shaft, the anti-falling plate is drawn out from between the two arc-shaped clamping plates, the purpose of quick disassembly is realized, the tensioning and disassembly processes can be further realized, and the remarkable practical use effect is achieved.

2. When the movable shaft rises to a certain position, the movable guide sheet rises to a position contacting with the fixed guide sheet, so that the buzzer and the power supply form a loop to give out an alarm, the sound generated by the buzzer is amplified by the loudspeaker, a better alarm effect is achieved, and a timely alarm effect is achieved when cotton dust on the cotton sliver is abnormally accumulated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural view of a movable shaft, a threaded shaft and a connecting block according to the present invention;

fig. 4 is a schematic structural view of a limiting drum in the present invention.

In the figure: 1. a leather roller; 2. a drafting roller; 3. a cotton sliver; 4. a cylinder mounting box; 5. a connecting seat; 6. a cylinder; 7. a piston rod; 8. perforating; 9. a buffer spring; 10. an arc-shaped clamping plate; 11. a movable shaft; 12. a cavity; 13. limiting the rotary drum; 14. an anti-drop plate; 15. a shaft sleeve; 16. a threaded shaft; 17. connecting blocks; 18. an internally threaded bore; 19. a link ring; 20. a movable guide sheet; 21. a micro power supply; 22. a buzzer; 23. mounting holes; 24. a dust screen; 25. a loudspeaker; 26. a guide plate; 27. a conductive contact; 28. a hinge member.

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.

Referring to fig. 1 to 4, in the embodiment of the present invention, an alarm mechanism of a drafting roller pressurizing device of a cotton spinning machine includes a cylinder 6 inside a cylinder installation box 4, the cylinder 6 has a piston rod 7, the middle portion of the lower surface of the cylinder installation box 4 is connected with a connecting seat 5 through a screw, a leather roller 1 is arranged right below the connecting seat 5, a drafting roller 2 is arranged right below the leather roller 1, a gap for passing a cotton sliver 3 is reserved between the drafting roller 2 and the leather roller 1, the leather roller 1 is rotatably connected with one end of a shaft sleeve 15 through a rotating shaft, the other end of the shaft sleeve 15 is vertically upward and fixedly connected with an anti-falling plate 14, two sides of the lower portion of the anti-falling plate 14 are abutted against two lower edges of an arc-shaped clamping plate 10, the outer peripheral surface of the arc-shaped clamping plate 10 is rotatably connected to the inner peripheral surface of a limiting rotary drum 13, and the outer peripheral surface of the limiting rotary drum, the cavity 12 is integrally formed into a cylindrical cavity, the bottom of the cavity is open, an internal threaded hole 18 is formed in the middle of the upper end face of the limiting rotary drum 13, a threaded shaft 16 is connected to the internal threaded hole 18 in a threaded manner, the top end of the threaded shaft 16 is fixedly connected with one end of a movable shaft 11, the other end of the movable shaft 11 vertically faces upwards and is detachably connected to the corresponding end portion of the piston rod 7 through a coupler, a connecting block 17 is fixedly mounted at the bottom end of the threaded shaft 16, two side faces of the connecting block 17 are rotatably connected with one end of a symmetrical hinged element 28 through a rotating shaft, the other end of the hinged element 28 is rotatably connected with the corresponding position of the top side of the arc-shaped clamping plate 10 through the rotating shaft, one end of a buffer spring 9 is fixedly connected to the middle of the lower surface of the connecting block 17, the other end, the buffer spring 9 not only can press the anti-falling plate 14 to the lower side of the arc-shaped clamping plate 10, but also can enable the leather roller 1 to have a certain compensation tensioning effect, so that the leather roller 1 can be buffered by means of the buffer spring 9 along with the tensioning force of the cotton sliver 3, the smoothness of conveying the cotton sliver 3 is realized, the phenomenon that the whole cotton sliver 3 is jammed or even broken in the conveying process is reduced, the practicability is improved, the air cylinder 6 can be controlled to push down the movable shaft 11, the limiting rotary drum 13 and the arc-shaped clamping plate 10 are pushed out of the cavity 12, then the limiting rotary drum 13 rotates upwards along the threaded shaft 16, the arc-shaped clamping plate 10 can be completely extended out of the lower part of the limiting rotary drum 13, the arc-shaped clamping plate 10 is separated from the anti-falling of the limiting rotary drum 13, and then the leather roller 1 can drive the shaft sleeve 15 to pull out the anti-falling plate 14, so that the anti-falling plate 14 is, the purpose of quick disassembly is realized, and then two processes of tensioning and disassembling can be realized, and the remarkable practical use effect is achieved.

Arc grip block 10 integrated into one piece is for the cambered surface shape with spacing rotary drum 13 inner peripheral surface matched with, and the both sides of arc grip block 10 are bent and are taken shape for C shape, and the top side of arc grip block 10 is used for rotating and connects articulated elements 28, and the bottom side of arc grip block 10 is bent the formation up and is used for supporting the portion of colluding that comes off-preventing board 14 downside was followed to can hang off-preventing board 14.

The top surface of the limit rotary drum 13 is of a blocking structure, and the bottom surface of the limit rotary drum 13 is of an opening structure, so that the arc-shaped clamping plate 10 can rotate in the inner peripheral surface of the limit rotary drum 13 on one side, and when the arc-shaped clamping plate 10 and the limit rotary drum 13 are disassembled, the arc-shaped clamping plate 10 can move out from the lower opening side of the limit rotary drum 13, and the disassembly between the two is realized.

The center of the lower part of the cylinder mounting box 4 is provided with a through hole 8 for the piston rod 7 and the movable shaft 11 to pass through and move.

The middle part of the top surface of the connecting seat 5 is provided with a through hole for the movable shaft 11 to pass through and slide, and the through hole is communicated with a cavity 12 in the connecting seat 5.

The alarm assembly comprises a linkage ring 19 fixedly sleeved on the upper portion of the movable shaft 11, movable guide pieces 20 are fixedly connected to two sides of the upper surface of the linkage ring 19, the movable guide pieces 20 are electrically connected with a micro power supply 21 fixedly installed on the corresponding side face of the cavity 12 through leads, the micro power supply 21 is electrically connected with a buzzer 22 fixedly installed on the micro power supply 21 through leads, the buzzer 22 is electrically connected with a fixed guide piece 26 fixedly connected with the inner top of the cavity 12 through leads, and conductive contact pieces 27 are fixedly connected to two sides of the opposite face of the fixed guide piece 26 and the two sides of the opposite face of the movable guide piece 20, when the movable shaft 11 rises to a certain position, the movable guide pieces 20 rise to the position contacting with the fixed guide piece 26, so that the buzzer 22 and the micro power supply 21 form a loop to give an alarm.

Buzzer 22 corresponds 5 tops of connecting seat and sets up the mounting hole 23 that supplies megaphone 25 fixed mounting, and the top of mounting hole 23 is provided with dust screen 24, utilizes the sound amplification that megaphone 25 produced buzzer 22, reaches better alarm effect.

The use method of the alarm mechanism of the drafting roller pressurizing device of the cotton spinning machine comprises the following steps:

the method comprises the following steps: an alarm assembly is arranged between the middle part of the movable shaft 11 and the inner top surface of the cavity 12, and the movable shaft 11 is arranged on the piston rod 7 through a coupler;

step two: the limiting rotary drum 13 is rotated to the lowest part of the threaded shaft 16, and the leather roller 1 inserts the anti-falling plate 14 into the arc-shaped clamping plate 10 through the shaft sleeve 15;

step three: after the cotton sliver 3 is placed between the leather roller 1 and the drafting roller 2, the air cylinder 6 is started to adjust the leather roller 1 to a proper compaction degree, and the pressurization is completed.

The power supply interface of the power utilization element in the invention is connected with a power supply system through a switch (not shown in the figure) and a lead (not shown in the figure), so as to realize the control of the power supply interface, wherein the related circuits and control are the prior art, are well known in the prior art, and are not described herein in detail.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.