阅读说明：本技术 一种并条机的自动生头联动机构 (Automatic spinning-in linkage mechanism of drawing frame ) 是由 杨文峰 刘雪军 徐斯云 高军 沈忱 谭鹏飞 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种并条机的自动生头联动机构。本发明包括设有喇叭口的搁板,喇叭口位于集棉器嘴的下方,还包括加压组件,搁板的后端可转动的设置在后压辊组件上,搁板的前端放置在前压辊组件上且与其相接触,前压辊组件可转动的设置在后压辊座上,加压组件与前压辊组件传动连接。本发明需要自动生头时,利用加压组件将前压辊组件向前转动打开,搁板随之联动抬起,使集棉器嘴与安装在搁板上的喇叭口间形成密闭空间,然后通过通气口向密闭空间通入压缩气体,确保可以产生较大的气流从而生头成功,完成后,利用加压组件将前压辊组件向后转动,使搁板随之联动落下,集棉器嘴与喇叭口间就有了间隙,确保正常工作时排气通畅。(The invention discloses an automatic spinning-in linkage mechanism of a drawing frame. The cotton picker comprises a shelf with a bell mouth, the bell mouth is positioned below a cotton collector nozzle, the cotton picker also comprises a pressurizing assembly, the rear end of the shelf is rotatably arranged on a rear compression roller assembly, the front end of the shelf is placed on and contacted with a front compression roller assembly, the front compression roller assembly is rotatably arranged on a rear compression roller seat, and the pressurizing assembly is in transmission connection with the front compression roller assembly. When automatic spinning is needed, the pressurizing assembly is utilized to rotate the front compression roller assembly forwards and open, the shelf is lifted along with the rotation of the front compression roller assembly, a closed space is formed between the cotton collector nozzle and the bell mouth arranged on the shelf, then compressed gas is introduced into the closed space through the vent hole, so that large airflow can be generated, and the spinning is successful.)

1. The utility model provides an automatic repiece link gear of drawing frame, includes shelf (1), be equipped with horn mouth (11) that run through it on shelf (1), horn mouth (11) are located the below of cotton collector mouth (2), place on preceding compression roller subassembly (3) and back compression roller subassembly (4) shelf (1), preceding compression roller subassembly (3) and back compression roller subassembly (4) all set up on back compression roller seat (5), characterized in that: still include pressurization subassembly (6), the rotatable setting of rear end of shelf (1) is in on back compression roller subassembly (4), the front end of shelf (1) is placed preceding compression roller subassembly (3) are gone up and are contacted rather than, preceding compression roller subassembly (3) rotatable setting is in on back compression roller seat (5), pressurization subassembly (6) with preceding compression roller subassembly (3) transmission is connected, in order to drive preceding compression roller subassembly (3) rotate forward and lift the front end upward movement of shelf (1), and make horn mouth (11) inner wall with cotton collector mouth (2) closely laminate and form airtight space (8), be equipped with on shelf (1) with vent (12) that airtight space (8) are linked together.

2. The automatic threading linkage mechanism of a drawing frame as claimed in claim 1, characterized in that: a guide block (7) is installed below the front end of the shelf (1), and the guide block (7) is placed on the front pressing roll assembly (3) and is in contact with the front pressing roll assembly.

3. The automatic threading linkage mechanism of a drawing frame as claimed in claim 2, characterized in that: the guide block (7) is detachably mounted below the front end of the shelf (1).

4. The automatic threading linkage mechanism of a drawing frame as claimed in claim 3, characterized in that: and a gasket (9) is also arranged between the guide block (7) and the shelf (1).

5. The automatic threading linkage mechanism of a drawing frame as claimed in claim 4, characterized in that: the shelf (1), the gasket (9) and the guide block (7) are fixedly connected through screws.

6. An automatic threading linkage mechanism of a drawing frame as claimed in any one of claims 2 to 5, characterized in that: the surface of the guide block (7) contacted with the front compression roller assembly (3) is an arc surface.

7. The automatic threading linkage mechanism of a drawing frame as claimed in claim 1, characterized in that: pressurization subassembly (6) are including pressurization seat (61), pressurization section of thick bamboo (62) and pressurization pole (63), pressurization seat (61) set up preceding compression roller subassembly (3) are kept away from one side of back compression roller subassembly (4), pressurization seat (61) are equipped with rotation hole (611) that run through it, rotatable the setting of pressurization section of thick bamboo (62) is in rotate hole (611), the one end of pressurization section of thick bamboo (62) stretches out rotate hole (611), the one end setting of pressurization pole (63) is in the one end of pressurization section of thick bamboo (62), the other end setting of pressurization pole (63) is in preceding compression roller subassembly (3).

8. The automatic threading linkage mechanism of a drawing frame as claimed in claim 7, characterized in that: the pressurization subassembly (6) include pressurization handle (64), pressurization seat (61) include two mounting plates (612) of relative interval vertical setting, rotation hole (611) run through two mounting plates (612), pressurization section of thick bamboo (62) by the rotatable setting in rotation hole (611) is in on mounting plate (612), the one end of pressurization handle (64) is fixed to be set up on the outer wall of pressurization section of thick bamboo (62), and is located two between mounting plate (612), pressurization handle (64) with the axial vertical of pressurization section of thick bamboo (62).

9. The automatic threading linkage mechanism of a drawing frame as claimed in claim 8, characterized in that: pressure bar (63) includes sleeve (631), depression bar (632) and spring (633), install the one end of sleeve (631) the one end of a pressurization section of thick bamboo (62), the other end of sleeve (631) is uncovered, the one end of depression bar (632) by uncovered slidable sets up in sleeve (631), the other end of depression bar (632) with preceding compression roller subassembly (3) pivot is connected, depression bar (632) outer wall is fixed and is equipped with a spacing portion (6321), spring (633) cover is established outside depression bar (632), the one end of spring (633) with spacing portion (6321) offset, the other end with the other end tip of sleeve (631) offsets.

10. The automatic threading linkage mechanism of a drawing frame as claimed in claim 9, characterized in that: the one end of sleeve (631) is passed through installation axle (65) and is installed the one end of pressurization section of thick bamboo (62), the one end of installation axle (65) is fixed the one end tip of pressurization section of thick bamboo (62), just the axial of installation axle (65) with the axis of pressurization section of thick bamboo (62) is parallel, and not with the center pin coincidence of pressurization section of thick bamboo (62), the rotatable setting of one end of sleeve (631) is in the other end of installation axle (65).

Technical Field

The invention relates to the technical field of textile equipment, in particular to an automatic spinning-in linkage mechanism of a drawing frame.

Background

In the existing spinning process, a drawing frame is an intermediate link in the spinning process flow, is indispensable and is a key process for improving the quality of finished yarns. The method has the effects of effectively controlling weight deviation of the cotton sliver, improving uniformity of the cotton sliver, and straightening degree and parallelism of fibers, enabling fibers with different qualities to be mixed more uniformly in the cotton sliver and creating conditions for obtaining good finished yarns.

The automatic spinning-in of the drawing frame utilizes compressed air to enable the slivers to pass through the horn mouth for spinning-in, so that the manual spinning-in operation is reduced, the requirement on a vehicle stop worker is lowered, and meanwhile, the production efficiency is also improved. At present, in order to obtain a good operation feeling, drawing frames are mostly provided with an automatic spinning-in device. However, generally, the cotton collector is removed, the cotton net is arranged, a part of the cotton net is torn off, the beard strip is rubbed to be pointed, the cotton collector is placed in the cotton collector, the button for reprinting is clicked, and then the cotton collector is reset, so that the whole cotton collecting work is quite complicated. And a relatively closed space is required to be formed between the cotton collector nozzle and the bell mouth during automatic spinning, and the closed environment can cause unsmooth air exhaust during normal work and influence the quality of cotton slivers. Therefore, the horn mouth shelf is often required to be lifted by hands, and the horn mouth shelf is not convenient to be put down for restoration after the head is grown.

Disclosure of Invention

The invention aims to provide an automatic spinning-in linkage mechanism of a drawing frame, which is convenient to operate and high in spinning-in success rate, aiming at the defects in the prior art.

The automatic threading linkage mechanism of the drawing frame comprises a shelf board, wherein a horn mouth penetrating through the shelf board is arranged on the shelf board, the bell mouth is positioned below the cotton collector nozzle, the shelf is arranged on the front compression roller assembly and the rear compression roller assembly, the front compression roller assembly and the rear compression roller assembly are both arranged on the rear compression roller seat, and the device also comprises a pressurizing assembly, the rear end of the shelf is rotatably arranged on the rear press roll component, the shelf is placed on the front press roll component and is contacted with the front press roll component, the front compression roller assembly is rotatably arranged on the rear compression roller seat, the pressurizing assembly is in transmission connection with the front compression roller assembly, the front compression roller assembly is driven to rotate forwards and lift the front end of the shelf to move upwards, the inner wall of the bell mouth is tightly attached to the cotton collector nozzle to form a closed space, and the shelf is provided with a vent communicated with the closed space.

Further, a guide block is mounted below the front end of the shelf and is placed on the front press roll assembly and in contact with the front press roll assembly.

Further, the guide block is detachably installed below the front end of the shelf.

Furthermore, a gasket is arranged between the guide block and the shelf.

Furthermore, a threaded hole is formed in the shelf, a first mounting hole penetrating through the spacer is formed in the spacer, a second mounting hole penetrating through the spacer is formed in the guide block, and a screw penetrates through the second mounting hole and the first mounting hole in sequence and is screwed into the threaded hole.

Furthermore, the surface of the guide block, which is in contact with the front press roll assembly, is an arc surface.

Further, the pressurization subassembly includes a pressurization seat, a pressurization section of thick bamboo and pressure bar, the pressurization seat sets up preceding compression roller subassembly is kept away from one side of back compression roller subassembly, the pressurization seat is equipped with the rotation hole that runs through it, the rotatable setting of a pressurization section of thick bamboo is in the rotation hole, the one end of a pressurization section of thick bamboo is stretched out the rotation hole, the one end setting of pressure bar is in the one end of a pressurization section of thick bamboo, the other end setting of pressure bar is in preceding compression roller subassembly is last.

Further, the pressurization subassembly includes the pressurization handle, the pressure seat includes two mounting panels of the vertical setting in relative interval, it runs through two to rotate the hole the mounting panel, a pressurization section of thick bamboo by it is in to rotate the rotatable setting in hole on the mounting panel, the one end of pressurization handle is fixed to be set up on the outer wall of a pressurization section of thick bamboo, and is located two between the mounting panel, the pressurization handle with the axial vertical of a pressurization section of thick bamboo.

Further, the pressure bar includes sleeve, depression bar and spring, telescopic one end is installed the one end of a pressurization section of thick bamboo, telescopic other end is uncovered, the one end of pressure bar by uncovered department slidable sets up in the sleeve, the other end of pressure bar with preceding compression roller subassembly transmission is connected, the fixed spacing portion that is equipped with of pressure bar outer wall, the spring housing is established outside the pressure bar, the one end of spring with spacing portion offsets, the other end with telescopic other end tip offsets.

Further, the one end of sleeve is installed through the installation axle in the one end of a pressurization section of thick bamboo, the one end of installation axle is fixed the one end tip of a pressurization section of thick bamboo, just the axial of installation axle with the axis of a pressurization section of thick bamboo is parallel, and not with the center pin coincidence of a pressurization section of thick bamboo, the rotatable setting of one end of sleeve is in the other end of installation axle.

The invention provides an automatic spinning-in linkage mechanism of a drawing frame, when automatic spinning-in is needed, a pressurizing assembly is utilized to rotate a front press roll assembly forwards for opening, when the front press roll assembly is opened for pressure relief, a shelf provided with a horn mouth is lifted along with the pressure relief, so that a closed space is formed between a cotton collector nozzle and the horn mouth arranged on the shelf, then compressed gas is introduced into the closed space through a vent, so that large airflow can be generated, thereby spinning-in success is ensured, after spinning-in is completed, the front press roll assembly is rotated backwards by utilizing the pressurizing assembly to pressurize the front press roll assembly, the shelf is lifted along with linkage, a gap is formed between the cotton collector nozzle and the horn mouth, smooth air exhaust is ensured during normal work, the quality of cotton slivers is good, thus the shelf can be lifted and fallen in a linkage manner, and switching is carried out under the spinning-in state and the normal work state, the operation is convenient.

Drawings

FIG. 1 is a schematic structural view of an automatic threading linkage mechanism of a drawing frame according to the present invention in a normal operating state;

FIG. 2 is a top view of an automatic threading linkage of a drawing frame of the present invention;

FIG. 3 is a schematic structural view of a threading state of an automatic threading linkage mechanism of a drawing frame according to the present invention;

fig. 4 is a shelf schematic diagram showing the threading state of the automatic threading linkage mechanism of the drawing frame of the present invention.

1. A shelf; 11. a bell mouth; 12. a vent; 13. a first rotating shaft; 2. a condenser nozzle; 3. a front press roll assembly; 31. a second rotating shaft; 4. a back press roll assembly; 5. a rear press roll seat; 6. a pressurizing assembly; 61. a pressurizing seat; 611. rotating the hole; 612. mounting a plate; 62. a pressurizing cylinder; 63. a pressurizing rod; 631. a sleeve; 632. a pressure lever; 6321. a limiting part; 633. a spring; 64. a pressurizing handle; 65. installing a shaft; 7. a guide block; 8. sealing the space; 9. and (7) a gasket.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figures 1-4, the automatic threading linkage mechanism of the drawing frame comprises a shelf 1, wherein the shelf 1 is provided with a bell mouth 11 penetrating through the shelf, the bell mouth 11 is positioned below a condenser nozzle 2, the shelf 1 is placed on a front press roll component 3 and a rear press roll component 4, the front press roll component 3 and the rear press roll component 4 are both arranged on a rear press roll seat 5, the automatic threading linkage mechanism also comprises a pressurizing component 6, the rear end of the shelf 1 is rotatably arranged on the rear press roll component 4, the shelf is placed on the front press roll component 3 and is contacted with the front press roll component 3, the front press roll component 3 is rotatably arranged on the rear press roll seat 5, the pressurizing component 6 is in transmission connection with the front press roll component 3, so as to drive the front compression roller component 3 to rotate forwards and lift the front end of the shelf 1 to move upwards, and make the inner wall of the bell mouth 11 and the condenser mouth 2 tightly attached to form a closed space 8, and the shelf 1 is provided with a vent 12 communicated with the closed space 8.

The invention provides an automatic spinning-in linkage mechanism of a drawing frame, when automatic spinning-in is needed, a front compression roller component 3 is rotated forwards and opened by a pressurizing component 6, when the front compression roller component 3 is opened and pressure relief is carried out, a shelf 1 provided with a bell mouth 11 is linked and lifted along with the pressure, a closed space is formed between a cotton collector nozzle 2 and the bell mouth 11 arranged on the shelf 1, then compressed gas is introduced into the closed space through a vent 12, so that large airflow can be generated, spinning-in is successful, after spinning-in is finished, the front compression roller component 3 is rotated backwards by the pressurizing component 6 to pressurize the front compression roller component 3, so that the shelf 1 is linked and falls down along with the pressure, a gap is formed between the cotton collector nozzle 2 and the bell mouth 11, smooth air exhaust during normal work is ensured, the quality of cotton sliver is good, so that the shelf 1 can be linked and lifted and falls down, thereby switching is carried out under the spinning-in the normal work state, convenient operation and high success rate of the spinning-in.

Wherein, a guide block 7 can be installed below the front end of the shelf 1, the guide block 7 is placed on the front press roll assembly 3 and contacts with the same, and the shelf 1 can reach a preset height through the guide block 7. There are various ways in which the guide block 7 is installed below the front end of the shelf 1, and in order to facilitate replacement of the guide block 7 according to the operating conditions, the guide block 7 may be detachably installed below the front end of the shelf 1.

As shown in FIG. 4, a gasket 9 can be arranged between the guide block 7 and the shelf 1, and the number of the gaskets 9 can be adjusted according to actual needs, so that the elevation height of the shelf 1 can meet the requirements under different working conditions.

The guide block 7, the shelf 1 and the spacer 9 can be mounted in various ways, which are not limited herein, for example: can be limited by screws, threaded holes are arranged on the shelf 1, not shown in the figure, a first mounting hole is arranged through the gasket 9, a second mounting hole is arranged through the gasket 7, the screws sequentially penetrate through the second mounting hole and the first mounting hole and are screwed in the threaded holes, and the gasket 9 and the guide block 7 are fixed on the shelf 1.

The shape of the guide block 7 can be various, and is not limited herein, in this embodiment, the surface of the guide block 7 contacting with the front roller assembly 3 can be a circular arc surface, so as to ensure that the shelf 1 is not pushed to lift upwards when the front roller assembly 3 rotates forwards to release pressure and opens to a certain angle, but reaches a stable height, so as to prevent the horn mouth 11 from colliding with the condenser nozzle 2 and damaging the condenser nozzle 2.

Among them, there are various ways in which the rear end of the shelf 1 is rotatably provided on the rear platen assembly 4, for example: the rear end of the shelf 1 may be rotatably provided on the rear press roll assembly 4 by a first rotating shaft 13.

Wherein, the rotatable mode that sets up on back pinch roller seat 5 of preceding compression roller assembly 3 also has the multiple, for example: the front nip roller assembly 3 may be rotatably provided on the rear nip roller holder 5 by a second rotating shaft 31.

Further, the structure of the pressing assembly 6 is various, and is not limited herein, in this embodiment, the pressing assembly 6 may include a pressing base 61, a pressing cylinder 62, and a pressing rod 63, the pressing base 61 is disposed on a side of the front pressing roller assembly 3 away from the rear pressing roller assembly 4, the pressing base 61 is provided with a rotating hole 611 penetrating therethrough, the pressing cylinder 62 is rotatably disposed in the rotating hole 611, one end of the pressing cylinder 62 extends out of the rotating hole 611, one end of the pressing rod 63 is disposed at one end of the pressing cylinder 62, the other end of the pressing rod 63 is disposed on the front pressing roller assembly 3, the pressing cylinder 62 is rotated forward to drive the pressing rod 63 to move forward, thereby driving the front pressing roller assembly 3 to rotate forward, away from the rear pressing roller assembly 4, and lifting up the front end of the shelf 1 placed thereon.

In order to facilitate the rotation of the pressurization cylinder 62, the pressurization assembly 6 may further include a pressurization handle 64, the pressurization seat 61 may include two mounting plates 612 vertically disposed at opposite intervals, the rotation hole 611 penetrates through the two mounting plates 612, the pressurization cylinder 62 is rotatably disposed on the mounting plates 612 through the rotation hole 611, one end of the pressurization handle 64 is fixedly disposed on the outer wall of the pressurization cylinder 62 and located between the two mounting plates 612, the pressurization handle 64 is perpendicular to the axial direction of the pressurization cylinder 62, and the pressurization handle 64 is pulled forward and backward, so that the pressurization cylinder 62 may be rotated forward and backward, and the front pressure roller assembly 3 is driven to rotate forward for pressurization or rotate backward for pressure relief.

The structure of the pressure bar 63 is various, in this embodiment, the pressure bar 63 may include a sleeve 631, a pressure bar 632, and a spring 633, one end of the sleeve 631 is installed at one end of the pressure cylinder 62, the other end of the sleeve 631 is open, one end of the pressure bar 632 is slidably disposed in the sleeve 631 through the open, the other end of the pressure bar 632 is in transmission connection with the front pressure roller assembly 3, a limit portion 6321 is fixedly disposed on an outer wall of the pressure bar 632, the spring 633 is sleeved outside the pressure bar 632, one end of the spring 633 abuts against the limit portion 6321, the other end abuts against the other end of the sleeve 631, when the drum rotates forward, the sleeve 631 is driven to move in a direction away from the front pressure roller assembly 3 to release pressure, the spring 633 is stretched, and under the action of an external force, the pressure bar 632 drives the front pressure roller assembly 3 to rotate forward, away from the rear pressure roller assembly 4, when the drum rotates backward, the spring 633 is compressed, and under the action of external force, the pressing rod 632 drives the front pressing roll assembly 3 to rotate backwards, and the pressing rod is close to the rear pressing roll assembly 4 to pressurize.

The mode that sleeve 631 installed in the one end of pressurization section of thick bamboo 62 has a plurality of, and in this embodiment, the one end of sleeve 631 can be installed in the one end of pressurization section of thick bamboo 62 through installation axle 65, and the one end of installation axle 65 is fixed in the one end tip of pressurization section of thick bamboo 62, and the axial of installation axle 65 is parallel with the axis of pressurization section of thick bamboo 62, and does not coincide with the center pin of pressurization section of thick bamboo 62, and the rotatable setting of the one end of sleeve 631 is at the other end of installation axle 65, and pressurization section of thick bamboo 62 rotates, drives installation axle 65 and rotates, drives sleeve.

The invention is suitable for single-eye and double-eye drawing frames

The above is not relevant and is applicable to the prior art.

While certain specific embodiments of the present invention have been described in detail by way of illustration, it will be understood by those skilled in the art that the foregoing is illustrative only and is not limiting of the scope of the invention, as various modifications or additions may be made to the specific embodiments described and substituted in a similar manner by those skilled in the art without departing from the scope of the invention as defined in the appending claims. It should be understood by those skilled in the art that any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention are included in the scope of the present invention.