CN220034784U - Yarn auto-leveling drawing frame - Google Patents

Abstract

The utility model relates to a yarn autoleveling drawing frame, comprising: the yarn feeding device comprises a working box and a yarn barrel arranged outside the working box, wherein an anti-breaking assembly and a pressing mechanism are arranged in the working box, yarns on the yarn barrel sequentially pass through the anti-breaking assembly and the pressing mechanism and then penetrate out of the working box after entering the working box, the anti-breaking assembly comprises a guide frame and a wheel frame group which are fixed on the inner side of the bottom surface of the working box, the wheel frame group is slidably mounted on the head of the guide frame, a supporting spring is further arranged between the wheel frame group and the guide frame, the pressing mechanism comprises a support frame, an upper limit wheel frame and a lower limit wheel frame which are fixed on the inner side of the bottom surface of the working box, and the lower limit wheel frame is arranged at the lower end of the upper limit wheel frame. According to the yarn winding displacement device, the breakage-proof assembly is used for stably supporting and positioning yarns, and if the condition of higher tightening degree occurs in the yarn winding displacement process, the supporting springs can be compressed in time, so that the tightening degree is reduced in time, and the condition of yarn breakage is effectively avoided.

Description

Yarn auto-leveling drawing frame

Technical Field

The utility model relates to the technical field of drawing frames, in particular to a yarn auto-leveling drawing frame.

Background

The drawing machine is used for improving the internal structure of the sliver, thereby improving the uniformity of long fragments of the sliver, reducing the weight unevenness, leading the fibers in the sliver to be straightened and parallel, reducing hooks, leading the fineness to meet the regulation, leading the raw materials with different types or different qualities to be uniformly mixed and achieving the regulation mixing ratio.

The prior Chinese patent with the bulletin number of CN203866434U discloses a drawing frame, which comprises a frame, a feeding sliver can and a sliver guiding roller which are arranged at the head part of the frame, a sliver can arranged at the tail part of the frame, a coiler arranged on the sliver can, and a cotton feeding roller, wherein 4-6 groups of drafting rollers are arranged in the middle of the frame, the first group of drafting rollers are adjacent to the cotton feeding roller, the last group of drafting rollers are adjacent to a compacting roller, and an arc-shaped guide pipe is arranged between the drafting rollers and the compacting roller.

With respect to the related art, the inventor finds that in the process of drawing the sliver by the drawing frame, the situation that the tension degree is different for the yarn often occurs, and in the process of drawing the sliver, a tension structure and a tight buffer structure are not provided, so that the drawing frame is easy to break accidentally if the tension degree of the yarn is higher in the process of arranging the yarn, and if the tension degree is lower, the sliver is in a loose state after being combined, and is easy to shake in the process of conveying, the conveying is unstable, and the quality and the efficiency of the coiling are easy to be affected.

Disclosure of Invention

In order to avoid the conditions that the yarn breaks due to higher tightening degree and the yarn shakes due to lower tightening degree in the yarn winding process, the utility model provides a yarn auto-leveling drawing frame.

The utility model provides a yarn autoleveling drawing frame, which adopts the following technical scheme:

a yarn autoleveling drawing frame comprising: the yarn feeding device comprises a working box and a yarn barrel arranged outside the working box, wherein an anti-breaking assembly and a pressing mechanism are arranged in the working box, yarns on the yarn barrel sequentially pass through the anti-breaking assembly and the pressing mechanism and then penetrate out of the working box after entering the working box, the anti-breaking assembly comprises a guide frame and a wheel frame group which are fixed on the inner side of the bottom surface of the working box, the wheel frame group is slidably arranged on the head of the guide frame, a supporting spring is further arranged between the wheel frame group and the guide frame, the pressing mechanism comprises a support frame, an upper limit wheel frame and a lower limit wheel frame which are fixed on the inner side of the bottom surface of the working box, the lower limit wheel frame is arranged at the lower end of the upper limit wheel frame, the lower limit wheel frame and the upper limit wheel frame are rotatably arranged on the support frame, an upper gear is arranged at one end of the upper limit wheel frame, and a lower gear meshed with the upper gear is arranged at one end of the lower limit wheel frame.

Through adopting above-mentioned technical scheme, make things convenient for the yarn in the yarn section of thick bamboo to come movable support through the inside anti-breaking subassembly of working box, when the yarn atress is great (when tightening degree is higher) can reduce the supporting force of yarn winding displacement in-process through anti-breaking subassembly, and then avoid appearing the circumstances that the yarn is torn, wheel carrier group can be through supporting spring to stabilize and install on the leading truck when the yarn passes anti-breaking subassembly, just so can carry out spacing support to the yarn through wheel carrier group, supporting spring will be compressed when the yarn atress is too big, wheel carrier group supporting point reduces like this, and then realize reducing the degree of tightening of yarn, just can resume the normal support of original position to the yarn afterwards, just can pass hold-down mechanism after the yarn passes the wheel carrier group, just can come yarn centre gripping through upper limit wheel carrier and lower limit wheel carrier when the yarn passes hold-down mechanism, and upper limit wheel carrier and lower limit wheel can follow yarn synchronous movement, so upper limit wheel carrier and lower limit wheel have the effect of compressing, can effectively avoid winding displacement in-process to be in a state, simultaneously, setting up gear and lower limit wheel carrier can be compressed synchronously and guarantee that the yarn can be rotated in-process in-step in the yarn stability.

Optionally, the guide frame includes base and spill sloping, spill sloping symmetry sets up the up end at the base, and spill sloping and base fixed connection, the middle part fixed mounting of base up end has the spring holder.

Through adopting above-mentioned technical scheme, can fix the inside at the work box through the base when the leading truck is used, guarantee simultaneously that the spill sloping of both sides can stabilize the installation, conveniently install the support frame through the spill sloping of both sides, guarantee to hold in the palm the frame and can sliding adjustment in the spill sloping, be convenient for fixed mounting supporting spring through the setting of spring holder simultaneously.

Optionally, the wheel carrier group includes yarn wheel and holds in the palm the frame, yarn wheel rotates the head of installing at the frame, and the middle part of yarn wheel is provided with the spacing groove.

Through adopting above-mentioned technical scheme, conveniently rotate the installation yarn wheel through holding in the palm the frame, conveniently support and spacing yarn use through the spacing groove on the yarn wheel.

Optionally, the support frame mid-mounting has adjusting screw, adjusting screw rotates with the support frame to be connected, supporting spring's head fixed mounting has with adjusting screw matched with thread bush.

Through adopting above-mentioned technical scheme, make things convenient for adjusting screw and thread bush cooperation to realize changing the supporting height of the yarn wheel on the support frame, and then can satisfy the different tight state operation's of yarn needs.

Optionally, the support frame includes fixed plate, riser and location pedestal, the riser is fixed perpendicularly at the up end of fixed plate, location pedestal fixed mounting is at the head of riser.

Through adopting above-mentioned technical scheme, guarantee that the support frame can be fixed in the inside of work box through the fixed plate when needing to install, then support fixed location pedestal through the riser, just so can install upper limit wheel carrier and lower limit wheel carrier through the location pedestal and use, guarantee that upper limit wheel carrier and lower limit wheel carrier can be on the location pedestal stable rotation use.

Optionally, limiting plates are symmetrically arranged on two sides of the upper limit wheel frame and the lower limit wheel frame, a plurality of rubber strips are uniformly arranged on the outer side surfaces of the upper limit wheel frame and the lower limit wheel frame along the circumferential direction, and the rubber strips are fixedly connected with the upper limit wheel frame and the lower limit wheel frame.

Through adopting above-mentioned technical scheme, come to conveniently shelter from the both sides of upper limit wheel carrier and lower limit wheel carrier through the spacing dish, guarantee that the yarn passes on upper limit wheel carrier and lower limit wheel carrier and can not appear the landing, further spacing to the yarn of winding displacement in-process through setting up the rubber strip simultaneously, avoid the yarn to appear rocking on upper limit wheel carrier or lower limit wheel carrier.

Optionally, a suspension is arranged above the yarn cylinder, and a plurality of turning wheels are arranged at the lower end of the suspension.

Through adopting above-mentioned technical scheme, conveniently install the diversion wheel through the suspension, guarantee to cooperate the yarn on the yarn section of thick bamboo to stably get into the working box through the diversion wheel.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. according to the yarn winding displacement device, the breakage-proof assembly is used for stably supporting and positioning yarns, and if the condition of higher tightening degree occurs in the yarn winding displacement process, the supporting springs can be compressed in time, so that the tightening degree is reduced in time, and the condition of yarn breakage is effectively avoided;

2. according to the yarn feeding device, the yarn is compressed through the compressing mechanism, the purpose that the yarn can be stably conveyed in the yarn arranging process is achieved, and meanwhile the yarn is synchronously compressed through the rubber strips on the outer side surfaces of the upper limit wheel frame and the lower limit wheel frame, so that the yarn is prevented from easily shaking;

3. according to the yarn winding device, the supporting height of the yarn wheel is conveniently adjusted according to actual use requirements through the matching structure of the adjusting screw and the threaded sleeve, and the yarn enters the working box to be determined in height, so that the yarn can downwards press the yarn wheel in the winding process, the supporting spring is further compressed, and meanwhile, the yarn wheel can be driven to support the yarn through the reaction force of the supporting spring, so that the condition of lower tightening degree in the yarn winding process is avoided.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

FIG. 2 is a schematic view of the construction of the breaking prevention assembly and hold down mechanism within the work box of the present utility model;

FIG. 3 is a perspective view of the break resistant assembly of the present utility model;

FIG. 4 is a right side view of the break resistant assembly of the present utility model;

FIG. 5 is a perspective view of the hold down mechanism of the present utility model;

FIG. 6 is a front view of the hold-down mechanism of the present utility model;

fig. 7 is a perspective view of the support frame of the present utility model.

Reference numerals illustrate: 1. a working box; 2. a yarn barrel; 21. a suspension; 22. a direction-changing wheel; 3. an anti-breakage assembly; 31. a guide frame; 311. a base; 312. a concave inclined frame; 313. a spring seat; 32. wheel carrier group; 321. a yarn wheel; 322. a support frame; 323. a limit groove; 324. adjusting a screw; 33. a support spring; 331. a thread sleeve; 4. a compressing mechanism; 41. a support frame; 411. a fixing plate; 412. a vertical plate; 413. positioning a shaft bracket; 42. an upper limit wheel frame; 421. a top gear; 422. a limiting disc; 43. a lower limit wheel frame; 431. a lower gear; 432. rubber strips.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a yarn auto-leveling drawing frame. Referring to fig. 1 and 2, a yarn autoleveling drawing frame, comprising: the yarn feeding device comprises a working box 1 and a yarn barrel 2 arranged outside the working box 1, wherein an anti-breaking assembly 3 and a pressing mechanism 4 are arranged in the working box 1, and yarns on the yarn barrel 2 sequentially pass through the anti-breaking assembly 3 and the pressing mechanism 4 and then penetrate out of the working box 1 after entering the working box 1. A suspension 21 is arranged above the yarn cylinder 2, and a plurality of direction-changing wheels 22 are arranged at the lower end of the suspension 21. Through set up yarn section of thick bamboo 2 in the outside of working box 1, conveniently carry out the rolling yarn through yarn section of thick bamboo 2, need carry out the winding displacement through working box 1 at first when yarn need carry out drawing processing on yarn section of thick bamboo 2, it wears out from working box 1 after broken subassembly 3 and hold-down mechanism 4 to need loop through in winding displacement in-process yarn, setting up through broken subassembly 3 is used for auxiliary stay yarn at normal winding displacement in-process, avoid the yarn comparatively loose, take place to rock in the transmission process, and then cause the unstable condition of winding displacement, the yarn just can pass hold-down mechanism 4 after the head of broken subassembly 3 at first after getting into the inside of working box 1, carry out further steady transmission to the yarn through hold-down mechanism 4, avoid the loose condition of yarn to appear through compressing tightly the transmission moreover.

Referring to fig. 3 and 4, the breaking preventing assembly 3 includes a guide frame 31 and a wheel frame set 32 fixed on the inner side of the bottom surface of the working box 1, the wheel frame set 32 is slidably mounted on a concave inclined frame 312 through a supporting frame 322, so that the wheel frame set 32 and a support of the guide frame 31 can be slidably matched, meanwhile, a supporting spring 33 is arranged between the supporting frame 322 and a spring seat 313, the guide frame 31 includes a base 311 and a concave inclined frame 312, the concave inclined frame 312 is symmetrically arranged on the upper end surface of the base 311, the concave inclined frame 312 is fixedly connected with the base 311, and the spring seat 313 is fixedly mounted in the middle of the upper end surface of the base 311. The wheel carrier set 32 includes a yarn wheel 321 and a supporting frame 322, the yarn wheel 321 is rotatably mounted at the head of the supporting frame 322, and a limiting groove 323 is provided in the middle of the yarn wheel 321. The breaking preventing assembly 3 is firstly fixed on the inner side of the bottom surface of the working box 1 through the base 311 when in use and is used for receiving yarns entering the working box 1 from the outside, and then the supporting frame 322 of the wheel frame group 32 is inserted from the head of the concave inclined frame 312, so that the yarns can be supported for use through the limiting grooves 323 on the yarn wheel 321. The middle part of the supporting frame 322 is provided with an adjusting screw 324, the adjusting screw 324 is rotationally connected with the supporting frame 322, and the head part of the supporting spring 33 is fixedly provided with a threaded sleeve 331 matched with the adjusting screw 324. The structural arrangement of the adjusting screw 324 and the thread sleeve 331 is convenient for the position of the wheel carrier group 32 on the guide frame 31 in the use process, so that the compression degree of the supporting spring 33 in the yarn winding displacement process is controlled, and different use requirements are easily met. The specific relationship between the threaded sleeve 331 and the adjusting screw 324 is described herein: the part of the adjusting screw 324 without threads passes through the supporting frame 322 to be in rotary fit connection with the supporting frame 322, so that the adjusting screw 324 can be flexibly rotated when the later adjustment is needed, only the rotary fit is realized instead of the rotary fit through threads, and the bearing can be arranged between the adjusting screw 324 and the supporting frame to realize the rotation, or other rotary fit modes; the lower end of the supporting spring 33 is fixed on the spring seat 313, and the head is fixedly provided with a threaded sleeve 331, wherein the fixing mode can be welding or other fixing modes; finally, the part of the adjusting screw 324 with external threads is rotated into the threaded sleeve 331 to realize mutual matching, and when the threaded sleeve 331 is adjusted to different positions on the adjusting screw 324, the height of the supporting frame 322 on the guide frame 31 can be changed, when the yarns want to maintain the designated transmission position, the yarns wheel 321 can be pressed down to further realize the purpose of compressing the supporting spring 33, and the reactive force on the yarns wheel 321 can also realize the purpose of stably supporting the yarns wheel 321.

Referring to fig. 5, 6 and 7, the pressing mechanism 4 includes a supporting frame 41 fixed on the inside of the bottom surface of the work box 1, an upper limit wheel frame 42 and a lower limit wheel frame 43, the lower limit wheel frame 43 is provided at the lower end of the upper limit wheel frame 42, and both the lower limit wheel frame 43 and the upper limit wheel frame 42 are rotatably installed on the supporting frame 41, the supporting frame 41 includes a fixing plate 411, a vertical plate 412 and a positioning shaft frame 413, and the fixing plate 411 is fixed on the inside of the bottom surface of the work box 1 by bolts. The vertical plate 412 is vertically fixed on the upper end surface of the fixing plate 411, and the positioning shaft bracket 413 is fixedly installed on the head of the vertical plate 412. An upper gear 421 is mounted at one end of the upper limit frame 42, and a lower gear 431 engaged with the upper gear 421 is mounted at one end of the lower limit frame 43. Limiting plates 422 are symmetrically arranged on both sides of the upper limit wheel frame 42 and the lower limit wheel frame 43, a plurality of rubber strips 432 are uniformly arranged on the outer side surfaces of the upper limit wheel frame 42 and the lower limit wheel frame 43 along the circumferential direction, and the rubber strips 432 are fixedly connected with the upper limit wheel frame 42 and the lower limit wheel frame 43 respectively. The pressing mechanism 4 is fixedly installed on the inner side of the bottom surface of the working box 1 through the fixing plate 411 in use, is used for receiving the yarn passing through the breakage preventing assembly 3 and then is directionally sent out of the working box 1, and can be stably conveyed through clamping by the rubber strips 432 at the upper end and the lower end when the yarn passes through the space between the upper limit wheel frame 42 and the lower limit wheel frame 43.

The implementation principle of the yarn autoleveling drawing frame provided by the embodiment of the utility model is as follows: the yarn on the yarn cylinder 2 is supported and changed by the direction-changing wheel 22 and then enters the working box 1, enters the limiting groove 323 which can be supported on the yarn wheel 321 after entering the working box 1, then passes through the space between the upper limit wheel frame 42 and the lower limit wheel frame 43 after being changed by the yarn wheel 321, finally is sent out of the working box 1, when the yarn is subjected to winding displacement under the action of external traction force, the positions of the upper limit wheel frame 42 and the lower limit wheel frame 43 are not moved, but the position of the yarn wheel 321 can follow the acting force on the yarn to properly compress the supporting spring 33, and in order to ensure that the height of the yarn supported by the yarn wheel 321 is equal to the height of the yarn entering the working box 1 in the transmission process, the adjusting screw 324 can be rotated to change the position of the thread bush 331 on the adjusting screw 324, and the purpose of changing the compression degree of the supporting spring 33 in the winding displacement process is achieved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. A yarn autoleveling drawing frame comprising: work box (1) and set up yarn section of thick bamboo (2) outside work box (1), its characterized in that: the inside of work box (1) is provided with breakage-proof subassembly (3) and hold-down mechanism (4), yarn on yarn section of thick bamboo (2) gets into behind work box (1) in proper order behind breakage-proof subassembly (3) and hold-down mechanism (4) and wears out from work box (1), breakage-proof subassembly (3) are including fixing on guide frame (31) and wheel carrier group (32) of work box (1) bottom surface inboard, wheel carrier group (32) slidable mounting is at the head of guide frame (31), and still is provided with supporting spring (33) between wheel carrier group (32) and guide frame (31), hold-down mechanism (4) are including fixing support frame (41) of work box (1) bottom surface inboard, upper limit wheel carrier (42) and lower limit wheel carrier (43), lower limit wheel carrier (43) set up the lower extreme of upper limit wheel carrier (42), and upper limit wheel carrier (43) are all rotated and are installed on support frame (41), upper limit wheel carrier (421) one end is installed, upper limit wheel carrier (421) and lower limit wheel carrier (421) are installed and are meshed mutually.

2. A yarn autoleveling drawing frame as in claim 1 wherein: the guide frame (31) comprises a base (311) and a concave inclined frame (312), wherein the concave inclined frame (312) is symmetrically arranged on the upper end face of the base (311), the concave inclined frame (312) is fixedly connected with the base (311), and a spring seat (313) is fixedly arranged in the middle of the upper end face of the base (311).

3. A yarn autoleveling drawing frame as in claim 2 wherein: the wheel carrier group (32) comprises a yarn wheel (321) and a supporting frame (322), the yarn wheel (321) is rotatably arranged at the head of the supporting frame (322), and a limiting groove (323) is formed in the middle of the yarn wheel (321).

4. A yarn autoleveling drawing frame as in claim 3 wherein: the middle part of the support frame (322) is provided with an adjusting screw (324), the adjusting screw (324) is rotationally connected with the support frame (322), and the head part of the supporting spring (33) is fixedly provided with a threaded sleeve (331) matched with the adjusting screw (324).

5. A yarn autoleveling drawing frame as in claim 1 wherein: the support frame (41) comprises a fixed plate (411), a vertical plate (412) and a positioning shaft bracket (413), wherein the vertical plate (412) is vertically fixed on the upper end face of the fixed plate (411), and the positioning shaft bracket (413) is fixedly arranged on the head of the vertical plate (412).

6. A yarn autoleveling drawing frame in accordance with claim 5 wherein: limiting plates (422) are symmetrically arranged on two sides of the upper limit wheel frame (42) and the lower limit wheel frame (43), a plurality of rubber strips (432) are uniformly arranged on the outer side surfaces of the upper limit wheel frame (42) and the lower limit wheel frame (43) along the circumferential direction, and the rubber strips (432) are fixedly connected with the upper limit wheel frame (42) and the lower limit wheel frame (43).

7. A yarn autoleveller frame as claimed in any one of claims 1 to 6 wherein: a suspension bracket (21) is arranged above the yarn cylinder (2), and a plurality of turning wheels (22) are arranged at the lower end of the suspension bracket (21).