CN211665242U - Chemical fiber conveying continuous drafting mechanism - Google Patents

Abstract

The utility model discloses a chemical fiber conveying continuous drafting mechanism belongs to weaving processing machinery equipment field. The utility model discloses a reciprocal rotation disc level is rotated and is connected in draft fixed bolster below one side, the reciprocal pivot downside tip of draft is provided with reciprocal rotating gear, be provided with the translation connecting rod between the reciprocal rack one side of translation and the reciprocal rotation disc, reciprocal rotation cam level sets up in the reciprocal pivot upside of draft, reciprocal bull stick middle part articulates in bull stick support upside, lift push roller board slides along vertical direction and sets up in reciprocal lift sleeve, lift push roller board upper end level is rotated and is connected with lift draft commentaries on classics roller, preceding biography material commentaries on classics roller and back biography material commentaries on classics roller level respectively rotate connect in the chemical fiber conveying support of lift draft commentaries on classics roller both. The utility model has the advantages of reasonable design, can be in the chemical fiber data send process steady even carry out the draft design processing to the chemical fiber, degree of automation is high, satisfies the needs that processing was used.

Description

Chemical fiber conveying continuous drafting mechanism

Technical Field

The utility model belongs to weaving processing machinery equipment field especially relates to a chemical fibre conveying continuous drafting mechanism.

Background

The chemical fiber texturing refers to the steps that a polyester filament yarn or a polypropylene filament yarn is shaped through false twisting to generate certain bending, the false twisting is opened to generate extension after external force is applied, the false twisting is recovered after the external force is removed, the chemical fiber filament yarn has certain resilience performance, the chemical fiber filament yarn has stable physical performance, and the chemical fiber filament yarn subjected to texturing is a draw textured yarn which can be directly used for weaving. In order to produce finished filaments with good performance in the existing production process, the whole texturing process of the chemical fiber filament is made to be crucial, the main process parameters influencing the performance of the finished filaments are deformation temperature, false twisting tension, false twisting degree and heating and cooling time, the chemical fiber filament needs to be sequentially conveyed on a chemical fiber filament roll in the texturing process, and the chemical fiber filament is drafted and shaped in the conveying process of the chemical fiber filament, so that the chemical fiber can be drafted to a certain degree, the existing chemical fiber drafting mechanism has complex structure and troublesome operation, the chemical fiber drafting device has the advantages that synchronous and uniform continuous drafting and sizing in the conveying process of chemical fibers are difficult to realize in the chemical fiber drafting process, segmented drafting can be carried out only by stopping conveying the chemical fibers in the conveying process, the drafting efficiency of chemical fiber filaments is low, the drafting quality is poor, and the processing and using requirements can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, can be in chemical fiber data send process steady even carry out the draft design processing to the chemical fiber, degree of automation is high, satisfies the chemical fiber conveying continuous drafting mechanism that processing use needs.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a chemical fibre conveying continuous draft mechanism which characterized in that: the chemical fiber conveying continuous drafting mechanism comprises a chemical fiber conveying support, a drafting fixing support, a drafting driving motor, a reciprocating rotating disc, a translation rack support, a drafting reciprocating rotating shaft, a reciprocating rotating cam, a reciprocating rotating rod, a lifting push roller plate, a reciprocating lifting sleeve, a front material conveying rotating roller and a rear material conveying rotating roller, wherein the drafting fixing support is horizontally and fixedly arranged on one side below the chemical fiber conveying support, the reciprocating rotating disc is horizontally and rotatably connected to one side below the drafting fixing support, a first connecting chain wheel is coaxially and horizontally fixedly arranged on the upper side of the reciprocating rotating disc, the drafting driving motor is vertically and downwardly fixedly arranged on the upper side of the drafting fixing support, a second connecting chain wheel is horizontally arranged at the output end of the drafting driving motor, the first connecting chain wheel and the second connecting chain wheel are in transmission connection through a chemical fiber chain, the drafting reciprocating rotating shaft is vertically and rotatably connected to one, a reciprocating rotating gear is horizontally and fixedly arranged at the end part of the lower side of the drafting reciprocating rotating shaft, a translation rack support is horizontally and fixedly arranged on the drafting fixing support at one side of the reciprocating rotating gear, a translation reciprocating rack which is meshed with the reciprocating rotating gear is arranged in the translation rack support in a sliding manner along the horizontal direction, a reciprocating translation rod is horizontally and fixedly arranged at the end part of one side of the translation reciprocating rack, a translation connecting rod is horizontally arranged between the reciprocating rotating disc and the reciprocating translation rod, two ends of the translation connecting rod are respectively hinged to the end part of the reciprocating translation rod and the outer side below the reciprocating rotating disc, the reciprocating rotating cam is horizontally arranged at the upper side of the drafting reciprocating rotating shaft, the middle part of the lower side of the reciprocating rotating cam is fixedly connected with the end part of the upper side of the drafting reciprocating rotating shaft, the reciprocating rotating cam is in a cylindrical structure, the middle part of the reciprocating rotating rod is hinged on the upper side of the rotating rod support, the reciprocating rotating rod is arranged on the upper side of the rotating inclined plane of the push rod of the reciprocating rotating cam along the side end part of the reciprocating rotating cam, a reciprocating lifting sleeve is fixedly arranged on the chemical fiber conveying bracket at one side of the reciprocating rotating rod, the lifting push roller plate is arranged on the reciprocating lifting sleeve in a sliding manner along the vertical direction, the reciprocating rotating rod is provided with a push plate rotating wheel along the upper end of the side of the lifting push roller plate, the push plate rotating wheel is arranged on the lower side of the lifting push roller plate, a spring connecting plate is horizontally and fixedly arranged on the chemical fiber conveying bracket on the upper side of the reciprocating rotary rod, a rotary reset tension spring is arranged between the reciprocating rotary rod and the spring connecting plate along the side of the push plate rotary wheel, the upper end of the lifting push roller plate is horizontally and rotatably connected with a lifting drafting rotary roller, and the front material conveying rotary roller and the rear material conveying rotary roller are respectively and horizontally and rotatably connected with the chemical fiber conveying supports on two sides of the lifting drafting rotary roller.

Furthermore, the reciprocating rotating rod is rotatably connected with a driven connecting rotating wheel along the end part of the reciprocating rotating cam side, and the driven connecting rotating wheel rolls along the rotating inclined plane of the push rod.

Furthermore, a plurality of ball bases are uniformly arranged on the drafting fixing bracket on the lower side of the reciprocating rotating cam, and bearing balls are arranged in the ball bases in a rolling manner.

Further, the reciprocating lifting sleeves on two sides of the lifting roller pushing plate are sequentially and horizontally connected with a plurality of lifting guide rotating rollers from top to bottom in a rotating mode.

Compared with the prior art, the utility model, have following advantage and effect: the utility model has reasonable structural design, the reciprocating rotating disc is horizontally and rotatably connected to one side below the drafting fixing bracket, the first connecting chain wheel at the upper side of the reciprocating rotating disc and the second connecting chain wheel at the output end of the drafting driving motor are in transmission connection by adopting chemical fiber drafting chains, so that the reciprocating rotating disc can be continuously and stably rotated under the driving of the drafting driving motor, the reciprocating rotating gear is horizontally and fixedly arranged at the lower end part of the drafting reciprocating rotating shaft, the translation rack which is meshed and connected with the reciprocating rotating gear is arranged in the translation rack bracket along the horizontal direction in a sliding way, the translation connecting rod is horizontally arranged between the reciprocating rotating disc and the reciprocating translation rod at one side end part of the translation rack, so that the rotation of the reciprocating rotating disc can drive the translation rack to perform reciprocating translation motion, and the translation motion of the translation rack can drive the drafting reciprocating rotating shaft to, the middle part of the lower side of the reciprocating rotating cam is fixedly connected with the end part of the upper side of the drafting reciprocating rotating shaft, so that the drafting reciprocating rotating shaft drives the reciprocating rotating cam to synchronously rotate, supporting balls are arranged in a plurality of ball bases uniformly arranged on a drafting fixing bracket at the lower side of the reciprocating rotating cam in a rolling manner, the reciprocating rotating cam can realize efficient and smooth reciprocating rotation under the guiding action of the supporting balls and can also support the reciprocating rotating cam by utilizing the supporting balls, the reciprocating rotating cam is prevented from generating skew deflection due to the pressure of a reciprocating rotating rod in the rotating process, a push rod rotating inclined plane is arranged at the upper side of the reciprocating rotating cam, the middle part of the reciprocating rotating rod is hinged at the upper side of a rotating rod support, a driven connecting rotating wheel rotatably connected with the reciprocating rotating rod along the end part of the reciprocating rotating cam rolls along the push rod rotating inclined plane, the reciprocating rotating rod is provided with a push plate rotating wheel along the upper end of the side of the lifting push roller plate, a rotary reset tension spring is arranged between the side of the reciprocating rotating rod along the push plate rotating wheel and the spring connecting plate, the reciprocating rotating rod can realize reciprocating smooth swing under the synergistic action of a push rod rotating inclined plane of the reciprocating rotating cam and the rotary reset tension spring along with the continuous reciprocating rotation of the reciprocating rotating cam, the reciprocating rotating rod can swing clockwise under the traction action of the rotary reset tension spring to push the lifting push roller plate to vertically lift up along the reciprocating lifting sleeve by utilizing the reciprocating rotating rod, chemical fiber is sequentially transmitted along the front material transmission rotating roller, the lifting drafting rotating roller and the rear material transmission rotating roller, the chemical fiber can be stably and uniformly drafted in the process that the lifting push roller plate drives the lifting drafting rotating roller to move up, and the chemical fiber can be drafted by the elastic traction of the rotary reset tension spring when the lifting push roller plate, the messenger can realize that the lift draft changes the roller to the steady orderly draft of chemical fibre, avoids the chemical fibre to produce the structural damage under the draft effect of great external force, utilizes the lift draft to change the continuous reciprocating elevating movement of roller for the chemical fibre can efficient carry out the draft processing in succession in the data send process, and reciprocal lift sleeve through lift push roll board both sides is from last to being connected with many lift direction commentaries on classics rollers down horizontal rotation in proper order, makes lift push roll board can follow reciprocal lift sleeve and smoothly carries out elevating movement, through such structure, the utility model has the advantages of reasonable design, can be in the chemical fibre data send process steady even carry out the draft design processing to the chemical fibre, degree of automation is high, satisfies the needs that processing was used.

Drawings

Fig. 1 is a schematic structural view of a chemical fiber conveying continuous drafting mechanism of the present invention.

Fig. 2 is a schematic bottom view of the lower side mechanism of the draft fixing frame of the present invention.

Fig. 3 is a front view of the reciprocating lift sleeve of the present invention.

In the figure: 1. the chemical fiber drawing machine comprises a chemical fiber conveying support, 2 a drawing fixing support, 3 a drawing driving motor, 4 a reciprocating rotating disc, 5 a translation rack support, 6 a drawing reciprocating rotating shaft, 7 a reciprocating rotating cam, 8 a reciprocating rotating rod, 9 a lifting push roller plate, 10 a reciprocating lifting sleeve, 11 a front material conveying rotating roller, 12 a rear material conveying rotating roller, 13 a first connecting chain wheel, 14 a second connecting chain wheel, 15 a chemical fiber drawing chain, 16 a reciprocating rotating gear, 17 a reciprocating translation rod, 18 a translation connecting rod, 19 a push rod rotating inclined surface, 20 a rotating rod support, 21 a driven connecting rotating wheel, 22 a spring connecting plate, 23 a push plate rotating wheel, 24 a lifting drawing rotating roller, 25 a rotating reset tension spring, 26 a ball base, 27 supporting balls and 28 a lifting guide rotating roller.

Detailed Description

For further description of the present invention, the following embodiments of a chemical fiber transfer continuous drafting mechanism will be further described with reference to the drawings, and the following embodiments are illustrative of the present invention and the present invention is not limited to the following embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the chemical fiber conveying continuous drafting mechanism of the present invention comprises a chemical fiber conveying support 1, a drafting fixing support 2, a drafting driving motor 3, a reciprocating rotating disc 4, a translation rack support 5, a drafting reciprocating rotating shaft 6, a reciprocating rotating cam 7, a reciprocating rotating rod 8, a lifting pushing roller plate 9, a reciprocating lifting sleeve 10, a front material conveying rotating roller 11 and a rear material conveying rotating roller 12, wherein the drafting fixing support 2 is horizontally and fixedly arranged on one side below the chemical fiber conveying support 1, the reciprocating rotating disc 4 is horizontally and rotatably connected to one side below the drafting fixing support 2, a first connecting sprocket 13 is coaxially and horizontally fixedly arranged on the upper side of the reciprocating rotating disc 4, the drafting driving motor 3 is vertically and downwardly fixedly arranged on the upper side of the drafting fixing support 2, a second connecting sprocket 14 is horizontally arranged at the output end of the drafting driving motor 3, the first connecting sprocket 13 and the second connecting sprocket 14 are in a chemical fiber drafting chain 15 transmission connection, a drafting reciprocating rotating shaft 6 is vertically and rotatably connected to one side of a drafting fixed support 2, a reciprocating rotating gear 16 is horizontally and fixedly arranged at the end part of the lower side of the drafting reciprocating rotating shaft 6, a translation rack support 5 is horizontally and fixedly arranged on the drafting fixed support 2 at one side of the reciprocating rotating gear 16, a translation reciprocating rack 29 meshed and connected with the reciprocating rotating gear 16 is arranged in the translation rack support 5 in a sliding manner along the horizontal direction, a reciprocating translation rod 17 is horizontally and fixedly arranged at the end part of one side of the translation reciprocating rack 29, a translation connecting rod 18 is horizontally arranged between a reciprocating rotating disc 4 and the reciprocating translation rod 17, two ends of the translation connecting rod 18 are respectively hinged to the end part of the reciprocating translation rod 17 and the outer side below the reciprocating rotating disc 4, a reciprocating rotating cam 7 is horizontally arranged at the upper side of the drafting reciprocating rotating shaft 6, the reciprocating rotating cam 7 is of a cylindrical structure, a push rod rotating inclined plane 19 is arranged on the upper side of the reciprocating rotating cam 7, a rotating rod support 20 is vertically and fixedly arranged on the drawing fixed support 2 on one side of the reciprocating rotating cam 7, the middle part of a reciprocating rotating rod 8 is hinged on the upper side of the rotating rod support 20, the reciprocating rotating rod 8 is arranged on the upper side of the push rod rotating inclined plane 19 of the reciprocating rotating cam 7 along the side end part of the reciprocating rotating cam 7, a reciprocating lifting sleeve 10 is fixedly arranged on the chemical fiber conveying support 1 on one side of the reciprocating rotating rod 8, a lifting push roller plate 9 is arranged on the reciprocating lifting sleeve 10 in a sliding manner along the vertical direction, a push plate rotating wheel 23 is arranged on the reciprocating rotating rod 8 along the upper end of the side of the lifting push roller plate 9, the push plate rotating wheel 23 is arranged on the lower side of the lifting push roller plate 9, a spring connecting plate 22 is horizontally and fixedly arranged on, the upper end of the lifting push roller plate 9 is horizontally and rotatably connected with a lifting drafting roller 24, and the front material conveying roller 11 and the rear material conveying roller 12 are respectively and horizontally and rotatably connected with the chemical fiber conveying bracket 1 at two sides of the lifting drafting roller 24.

The utility model discloses a reciprocal bull stick 8 rotates along reciprocal 7 side tip of rotating cam to be connected with driven connection runner 21, and driven connection runner 21 rolls along push rod rotation inclined plane 19, realizes the reciprocal swing that reciprocates that reciprocal bull stick 8 is steady smooth and easy. The utility model discloses a evenly be provided with a plurality of ball base 26 on the draft fixed bolster 2 of reciprocating rotary cam 7 downside, the roll is provided with supporting ball 27 in the ball base 26 for reciprocating rotary cam 7 can be steady smooth and easy is rotated. The utility model discloses a reciprocal lift sleeve 10 of 9 both sides of lift push roller board is from last to being connected with many lift direction commentaries on classics roller 28 down horizontal rotation in proper order for lift push roller board 9 can follow reciprocal lift sleeve 10 and smoothly carry out elevating movement.

By adopting the technical scheme, when the chemical fiber conveying continuous drafting mechanism is used, the chemical fiber conveying continuous drafting mechanism is horizontally and rotatably connected to one side below the drafting fixing support 1 through the reciprocating rotating disc 4, the first connecting chain wheel 13 at the upper side of the reciprocating rotating disc 4 and the second connecting chain wheel 14 at the output end of the drafting driving motor 3 are in transmission connection through the chemical fiber drafting chain 15, so that the reciprocating rotating disc 4 can be continuously and stably rotated under the driving of the drafting driving motor 3, the reciprocating rotating gear 16 is horizontally and fixedly arranged at the lower side end part of the drafting reciprocating rotating shaft 6, the translation reciprocating rack 29 meshed and connected with the reciprocating rotating gear 16 is arranged in the translation rack support 5 in a sliding mode along the horizontal direction, the translation connecting rod 18 is horizontally arranged between the reciprocating rotating disc 4 and the reciprocating translation rod 17 at one side end part of the translation reciprocating rack 29, so that the rotation of the reciprocating rotating disc 4 can drive the translation reciprocating rack 29 to, the drawing reciprocating rotating shaft 6 can be driven to rotate in a reciprocating manner by utilizing the translational motion of the translational reciprocating rack 29, the middle part of the lower side of the reciprocating rotating cam 7 is fixedly connected with the end part of the upper side of the drawing reciprocating rotating shaft 6, so that the drawing reciprocating rotating shaft 6 drives the reciprocating rotating cam 7 to rotate synchronously, the supporting balls 27 are arranged in a plurality of ball bases 26 uniformly arranged on the drawing fixing support 2 at the lower side of the reciprocating rotating cam 7 in a rolling manner, the reciprocating rotating cam 7 can realize efficient and smooth reciprocating rotation under the guiding action of the supporting balls 27, the supporting balls 27 can also be utilized to support the reciprocating rotating cam 7, the phenomenon that the reciprocating rotating cam 27 generates deflection due to the pressure of the reciprocating rotating rod 8 in the rotating process is avoided, the push rod rotating inclined plane 19 is arranged at the upper side of the reciprocating rotating cam 27, and the middle part of the reciprocating rotating, the reciprocating rotating rod 8 rolls along a push rod rotating inclined plane 19 along a driven connecting rotating wheel 21 which is rotatably connected with the side end part of a reciprocating rotating cam 27, a lifting push roller plate 9 is arranged on a reciprocating lifting sleeve 10 in a sliding way along the vertical direction, a push plate rotating wheel 23 is arranged at the upper end of the reciprocating rotating rod 8 along the side end of the lifting push roller plate 9, a rotating reset tension spring 25 is arranged between the reciprocating rotating rod 8 along the side of the push plate rotating wheel 23 and a spring connecting plate 22, the reciprocating rotating rod 8 can realize reciprocating smooth swing under the synergistic action of the push rod rotating inclined plane 19 of the reciprocating rotating cam 27 and the rotating reset tension spring 25 along the continuous reciprocating rotation of the reciprocating rotating cam 27, the reciprocating rotating rod 8 can swing clockwise under the drawing action of the rotating reset tension spring 25, the lifting push roller plate 9 can be pushed by the reciprocating rotating rod 8 to vertically lift upwards along the reciprocating lifting sleeve 10, and chemical fibers are sequentially conveyed along a front material conveying rotating roller 11, a lifting drafting rotating roller, the in-process that lift push roller board 9 drove lift draft changes roller 24 to the rebound can be steady even carries out the draft processing with the chemical fiber, adopt the elasticity tractive realization that rotates reset tension spring 25 along vertical direction rebound through lift push roller board 9, the messenger can realize lift draft changes roller 24 to the steady orderly draft of chemical fiber, avoid the chemical fiber to produce structural damage under the drafting effect of great external force, utilize lift draft to change 24 continuous reciprocating elevating movement of roller, make the chemical fiber can efficient carry out the draft processing in succession in the data send process, reciprocating lift sleeve 10 through lift push roller board 9 both sides is from last to down in proper order horizontal rotation be connected with many lift direction and change roller 28, make lift push roller board 9 can follow reciprocating lift sleeve 10 and smoothly carry out elevating movement. Through such structure, the utility model has the advantages of reasonable design, can be in the chemical fiber data send process steady even carry out the draft design processing to the chemical fiber, degree of automation is high, satisfies the needs that processing was used.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (4)

1. The utility model provides a chemical fibre conveying continuous draft mechanism which characterized in that: the chemical fiber conveying continuous drafting mechanism comprises a chemical fiber conveying support, a drafting fixing support, a drafting driving motor, a reciprocating rotating disc, a translation rack support, a drafting reciprocating rotating shaft, a reciprocating rotating cam, a reciprocating rotating rod, a lifting push roller plate, a reciprocating lifting sleeve, a front material conveying rotating roller and a rear material conveying rotating roller, wherein the drafting fixing support is horizontally and fixedly arranged on one side below the chemical fiber conveying support, the reciprocating rotating disc is horizontally and rotatably connected to one side below the drafting fixing support, a first connecting chain wheel is coaxially and horizontally fixedly arranged on the upper side of the reciprocating rotating disc, the drafting driving motor is vertically and downwardly fixedly arranged on the upper side of the drafting fixing support, a second connecting chain wheel is horizontally arranged at the output end of the drafting driving motor, the first connecting chain wheel and the second connecting chain wheel are in transmission connection through a chemical fiber chain, the drafting reciprocating rotating shaft is vertically and rotatably connected to one, a reciprocating rotating gear is horizontally and fixedly arranged at the end part of the lower side of the drafting reciprocating rotating shaft, a translation rack support is horizontally and fixedly arranged on the drafting fixing support at one side of the reciprocating rotating gear, a translation reciprocating rack which is meshed with the reciprocating rotating gear is arranged in the translation rack support in a sliding manner along the horizontal direction, a reciprocating translation rod is horizontally and fixedly arranged at the end part of one side of the translation reciprocating rack, a translation connecting rod is horizontally arranged between the reciprocating rotating disc and the reciprocating translation rod, two ends of the translation connecting rod are respectively hinged to the end part of the reciprocating translation rod and the outer side below the reciprocating rotating disc, the reciprocating rotating cam is horizontally arranged at the upper side of the drafting reciprocating rotating shaft, the middle part of the lower side of the reciprocating rotating cam is fixedly connected with the end part of the upper side of the drafting reciprocating rotating shaft, the reciprocating rotating cam is in a cylindrical structure, the middle part of the reciprocating rotating rod is hinged on the upper side of the rotating rod support, the reciprocating rotating rod is arranged on the upper side of the rotating inclined plane of the push rod of the reciprocating rotating cam along the side end part of the reciprocating rotating cam, a reciprocating lifting sleeve is fixedly arranged on the chemical fiber conveying bracket at one side of the reciprocating rotating rod, the lifting push roller plate is arranged on the reciprocating lifting sleeve in a sliding manner along the vertical direction, the reciprocating rotating rod is provided with a push plate rotating wheel along the upper end of the side of the lifting push roller plate, the push plate rotating wheel is arranged on the lower side of the lifting push roller plate, a spring connecting plate is horizontally and fixedly arranged on the chemical fiber conveying bracket on the upper side of the reciprocating rotary rod, a rotary reset tension spring is arranged between the reciprocating rotary rod and the spring connecting plate along the side of the push plate rotary wheel, the upper end of the lifting push roller plate is horizontally and rotatably connected with a lifting drafting rotary roller, and the front material conveying rotary roller and the rear material conveying rotary roller are respectively and horizontally and rotatably connected with the chemical fiber conveying supports on two sides of the lifting drafting rotary roller.

2. The chemical fiber conveying continuous drafting mechanism of claim 1, characterized in that: the reciprocating rotating rod is rotatably connected with a driven connecting rotating wheel along the end part of the reciprocating rotating cam side, and the driven connecting rotating wheel rolls along the rotating inclined plane of the push rod.

3. The chemical fiber conveying continuous drafting mechanism of claim 1, characterized in that: a plurality of ball bases are uniformly arranged on the drafting fixing bracket on the lower side of the reciprocating rotating cam, and bearing balls are arranged in the ball bases in a rolling manner.

4. The chemical fiber conveying continuous drafting mechanism of claim 1, characterized in that: the reciprocating lifting sleeves on two sides of the lifting roller pushing plate are sequentially and horizontally rotated from top to bottom to be connected with a plurality of lifting guide rotating rollers.

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