CN114214736A

CN114214736A - Polyamide fibre waste silk screw rod melting device

Info

Publication number: CN114214736A
Application number: CN202210048247.5A
Authority: CN
Inventors: 陈飞; 郑祥盘; 张巧珍
Original assignee: Fujian Yongrong Jinjiang Co Ltd
Current assignee: Fujian Yongrong Jinjiang Co Ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-03-22

Abstract

The invention discloses a nylon waste silk screw rod melting device which comprises a rack, wherein a melting barrel is arranged on the rack, the melting barrel consists of a heat insulation shell and an inner barrel, an electric heating device is wound in the inner barrel, a variable thread screw rod is connected in the inner barrel in a rotating mode, one end of the variable thread screw rod is provided with a connecting shaft, the other end of the connecting shaft is connected to the output end of a driving device, the driving device is arranged on the rack, the front end of the bottom layer of the melting barrel is provided with a discharging pipe, the rear end of the top of the melting barrel is provided with a feeding device used for screening materials through a vibrating screen, and a transmission assembly is arranged between the power input end of the feeding device and the connecting shaft. The invention can complete effective melting, mixing and recycling of the waste silk generated in the spinning production process, thereby realizing the reutilization of resources and avoiding the problems of enterprise resource waste and production cost increase caused by the waste silk.

Description

Polyamide fibre waste silk screw rod melting device

Technical Field

The invention relates to the technical field of recovery production of nylon waste silk, in particular to a nylon waste silk screw rod melting device.

Background

The recycled fiber yarn is widely applied to various textiles from the beginning to the recognition until the recycled raw material is used, and the recycling development of the fiber is very large. In the past, the recycling of natural fibers is only related to the production of low-quality fabrics, but the situation is very different today, along with the continuous popularization and development of global resource recycling cognition, more and more waste fiber resources are recycled and recycled fibers are used, the use of the recycled fibers effectively improves the resource sustainability of textiles, the resource utilization efficiency is effectively improved, and global consumers have an important influence on the continuous development of resources due to the enthusiastic use of the recycled fibers. From silk waste to regenerated fiber finished product is realized through full flow optimization technology, need use to be used for carrying out the fused device to the silk waste material at this in-process, but present general screw extruder lacks the heating device, the material blocks up screw extruder in the screw extruder temperature decline easily admittedly, and inside general screw extruder blocks up the device for avoiding the great material of granule when using, need cooperate the sieve material device to use simultaneously, make the operation of equipment comparatively loaded down with trivial details and more power consumption, consequently, need to research and develop a silk waste screw rod melting device and solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a nylon waste silk screw rod melting device.

In order to solve the technical problems, the nylon waste silk screw rod melting device comprises a rack, wherein a melting barrel is arranged on the rack, the melting barrel consists of a heat insulation shell and an inner barrel, an electric heating device is wound in the inner barrel, a variable thread screw rod is connected in the inner barrel in a rotating mode, the rear end of the variable thread screw rod is connected with a connecting shaft, the rear end of the connecting shaft is connected to the output end of a driving device, the driving device is arranged on the rack, a discharging pipe is arranged at the front end of the bottom layer of the melting barrel, a feeding device capable of screening materials through vibration is arranged at the rear end of the top of the melting barrel, and a transmission assembly is arranged between the power input end of the feeding device and the connecting shaft.

As a possible implementation manner, further, the variable thread screw includes a screw body, a tapered limiting portion, a connecting shaft portion, a first thread section, a second thread section, and a third thread section, the tapered limiting portion for limiting the flow of the melt to the front end of the inner barrel cavity is disposed at the front end of the screw body, the connecting shaft portion rotatably connected to the bearing in the inner barrel is disposed at the front end of the tapered limiting portion, the first thread section, the second thread section, and the third thread section are sequentially disposed on the screw body from front to back, the thread pitch of the first thread section, the second thread section, and the third thread section is gradually increased from the front end to back, and the front end of the connecting shaft is fixedly mounted to the rear end of the screw body.

As a possible implementation manner, further, the feeding device includes an outer shell, a feeding pipe, a receiving hopper and a cam mechanism, the outer shell is disposed on the top of the rear end of the melting barrel through a support, the receiving hopper is disposed on the top of the outer shell, the feeding pipe is disposed at the bottom of the outer shell, the lower end of the feeding pipe penetrates into the melting barrel, a sieve hopper is disposed inside the outer shell, the sieve hopper is slidably disposed inside the outer shell through a slide rail pair, the rear end of the sieve hopper is fixedly mounted with one end of the cam mechanism, and a surplus material pipe is disposed on the side wall of the outer shell near the front end of the sieve hopper.

As a possible implementation manner, further, the sieve hopper comprises a concave frame, a screen and a baffle, the concave frame is arranged on an inclined plane, the inclined plane of the concave frame is arranged at an inclination angle of 30-45 degrees from the rear end to the front end, the screen is arranged on the bottom surface of the concave frame in a hollow-out arrangement, sliding blocks on the sliding rail pair are arranged on two outer side walls of the concave frame, the baffle is arranged at the rear end of the concave frame, and one end of the cam mechanism is fixedly arranged with the baffle.

As a possible implementation, further, cam mechanism is including removing frame, roller bearing, cam, pivot and link, remove frame fixed mounting in on the baffle, it is provided with two rows to remove the rotation of the lower side on the perpendicular plane in the frame the roller bearing, two rows be provided with between the roller bearing the cam, cam fixed mounting is in the pivot front end, the pivot rear end is rotated and is connected on the link, link fixed mounting is in on the shell section of thick bamboo, the drive assembly upper end is installed in the pivot.

As a possible embodiment, further, the transmission assembly is a belt transmission structure composed of two sets of pulleys and a transmission belt.

By adopting the technical scheme, the invention has the following beneficial effects:

1. the invention can complete effective melting, mixing and recycling of the waste silk generated in the spinning production process, thereby realizing the reutilization of resources and avoiding the problems of enterprise resource waste and production cost increase caused by the waste silk.

2. The device designed by the invention can effectively drive the screw rod to rotate and the feeding mechanism to perform vibration screening on waste silk materials by using only one driving device through the matching between the transmission component and the cam mechanism in the structure.

3. The variable thread screw in the structure of the device has three thread sections with different thread space lengths, and the variable thread space is gradually reduced from the rear end of the screw body to the front end of the screw body through the thread space, so that the progressive extrusion, melting and mixing of materials entering a melting barrel are facilitated.

Drawings

The invention is described in further detail below with reference to the following figures and embodiments:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;

FIG. 3 is a schematic view of the inside structure of a feeding device in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a variable-flight screw according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of the inner side of the moving frame in the cam mechanism according to the embodiment of the present invention;

FIG. 6 is a schematic diagram of a screen according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings.

As shown in fig. 1-6, the invention provides a nylon waste silk screw rod melting device, which comprises a frame 1, wherein a melting barrel 2 is arranged on the frame 1, the melting barrel 2 consists of a heat insulation shell 21 and an inner barrel 22, an electric heating device 23 is wound in the inner barrel 22, a variable thread screw rod 3 is rotatably connected in the inner barrel 22, the rear end of the variable thread screw rod 3 is connected with a connecting shaft 4, the rear end of the connecting shaft 4 is connected with the output end of a driving device 5, the driving device 5 is arranged on the frame 1, the driving device 5 is a speed reducing motor, and the output shaft of the speed reducing motor is fixedly connected with the tail end of the connecting shaft 4; be provided with discharging pipe 6 at 2 bottom front ends of melting bucket, 2 top rear ends of melting bucket set up can be through vibration to carry out the feed arrangement 7 that screens the material, are provided with drive assembly 8 between feed arrangement 7's power input end and the connecting axle 4.

Referring to fig. 4, the variable-thread screw 3 includes a screw body 31, a tapered limiting portion 32, a connecting shaft portion 33, a first thread section 34, a second thread section 35 and a third thread section 36, the tapered limiting portion 32 for limiting the flow of the molten material to the front end of the inner barrel cavity is disposed at the front end of the screw body 31, a connecting shaft portion 33 rotatably connected to a bearing in the inner barrel 22 is disposed at the front end of the tapered limiting portion 32, the first thread section 34, the second thread section 35 and the third thread section 36 are sequentially disposed on the screw body 31 from front to back, and the thread pitch of the first thread section 34, the second thread section 35 and the third thread section 36 is gradually increased from the front end to back, so that the variable thread pitch gradually decreased from the back end to the front end of the screw body 31 is used to help to gradually extrude and melt the material entering the melting barrel 2; the front end of the connecting shaft 4 is fixedly arranged with the rear end of the screw main body 31.

Referring to fig. 3, the feeding device 7 includes an outer shell 71, a feeding pipe 72, a receiving hopper 73 and a cam mechanism 74, the outer shell 71 is disposed on the top of the rear end of the melting barrel 2 through a bracket, the receiving hopper 73 is disposed on the top of the outer shell 71, the feeding pipe 72 is disposed on the bottom of the outer shell 71, the lower end of the feeding pipe 72 penetrates through the melting barrel 2, a sieve hopper 75 is disposed inside the outer shell 71, the sieve hopper 75 is slidably disposed inside the outer shell 71 through a sliding rail pair 76, specifically, the sliding rail pair 76 is composed of a sliding rail vertically and fixedly mounted on the outer shell 71 and a sliding block slidably connected to the sliding rail; the rear end of the sieve bucket 75 is fixedly installed with one end of the cam mechanism 74, a residual material pipe 77 is arranged on the side wall of the shell cylinder 71 near the front end of the sieve bucket 75, and residual materials which do not pass through the sieve bucket 75 are discharged out of the interior of the shell cylinder 77 through the residual material pipe 77.

Referring to fig. 3 and 6, the sieve hopper 75 includes a concave frame 751, a screen 752 and a baffle 753, the concave frame 751 is inclined at an angle of 30-45 ° from the rear end to the front end, the screen 752 is mounted on the bottom of the concave frame 751, the slide blocks on the slide rail pair 76 are mounted on the two outer side walls of the concave frame 751, the baffle 753 is mounted at the rear end of the concave frame 751, and one end of the cam mechanism 74 is fixedly mounted with the baffle 753.

Referring to fig. 3 and 5, the cam mechanism 74 includes a moving frame 741, rollers 742, a cam 743, a rotating shaft 744 and a connecting frame 745, the moving frame 741 is fixedly mounted on the baffle 753, two rows of rollers 742 are rotatably disposed on the upper and lower sides of the inner vertical surface of the moving frame 741, the cam 743 is disposed between the two rows of rollers 742, the cam 743 is fixedly mounted at the front end of the rotating shaft 744, the rear end of the rotating shaft 744 is rotatably connected to the connecting frame 745, the connecting frame 745 is fixedly mounted on the housing tube 71, and the upper end of the transmission assembly 8 is mounted on the rotating shaft 744.

Referring to fig. 2, the transmission assembly 8 is a belt transmission structure formed by two sets of belt pulleys and a transmission belt, specifically, one belt pulley is disposed on the rotation shaft 744, and the other belt pulley is disposed on the connection shaft 4; in addition, in other embodiments of the present invention, the transmission assembly 8 may also be a chain transmission structure composed of a toothed disc and a chain.

Specifically, the control method of the nylon and nylon waste silk screw melting device comprises the following steps:

s1, the electric heater 23 is first started to heat the melting barrel 2.

The melting barrel 2 is fully preheated, so that waste silk materials can be smoothly extruded, melted and mixed by the variable thread screw 3 when entering a cavity in the inner barrel 22;

s2, when the temperature of the inner barrel 22 of the melting barrel 2 is increased to 270-275 ℃, the driving device 5 is started, the driving device 5 drives the variable thread screw 3 to rotate through the driving belt of the transmission assembly 8 and simultaneously drives the feeding device 7 capable of screening materials through the vibrating screen to operate.

In addition, in order to further improve the extrusion melting effect of the melting barrel 2 and the variable-thread screw 3 on the waste silk material, in another embodiment of the present invention, the electric heating device 23 wound in the inner barrel 22 may be divided into three heating sections with different heating temperatures, which are specifically configured as follows: the heating temperature of the section of the electric heating device 23 corresponding to the third thread section 36 is 270-275 ℃, the heating temperature of the section of the electric heating device 23 corresponding to the second thread section 35 is 275-280 ℃, and the heating temperature of the section of the electric heating device 23 corresponding to the third thread section 36 is 280-285 ℃.

And S3, after the step S2 is completed, the waste nylon yarn material to be melted is guided into the shell barrel 71 through the receiving hopper 73 of the feeding device 7.

Drive arrangement 5 drives pivot 744 through the transmission of transmission assembly 8 and rotates, pivot 744 drives cam 743 and rotates, along with the continuous rotation of cam 743 and under the direction mating reaction of slide rail pair 76, it drives sieve fill 75 quick reciprocating motion about shell cylinder 71 is inside to remove frame 741, thereby carry out vibratory screening to the waste silk material that falls on sieve fill 75, the waste silk granule that sieves enters into interior bucket 22 through conveying pipe 72, the granule is too big and can not enter into surplus material pipe 77 along the inclined plane of sieve fill 75 through the waste silk material of screen cloth 752, the waste silk material that can not sieve passes through surplus material pipe 77 and discharges from feed arrangement 7. The waste silk particles entering the inner barrel 22 and sieved pass through the inner cavity of the melting barrel 2 divided into three regions, are extruded by the variable-thread screw to be melted and mixed to form a melt, and the melted and mixed material is discharged out of the melting barrel 2 through the discharge pipe 6 and is sent to the next processing step.

The foregoing is directed to embodiments of the present invention, and equivalents, modifications, substitutions and variations such as will occur to those skilled in the art, which fall within the scope and spirit of the appended claims.

Claims

1. The utility model provides a useless silk screw rod melting device of polyamide fibre, includes the frame, its characterized in that: the melting barrel is installed on the frame and comprises a heat insulation shell and an inner barrel, an electric heating device is wound in the inner barrel, a variable thread screw rod is connected in the inner barrel in a rotating mode, a connecting shaft is arranged at one end of the variable thread screw rod, the other end of the connecting shaft is connected to the output end of a driving device, the driving device is installed on the frame, a discharging pipe is arranged at the front end of the bottom layer of the melting barrel, a feeding device used for screening materials through a vibrating screen is arranged at the rear end of the top of the melting barrel, and a transmission assembly is arranged between the power input end of the feeding device and the connecting shaft.

2. The nylon waste silk screw rod melting device of claim 1, characterized in that: the variable-thread screw comprises a screw body, a conical limiting part, a connecting shaft part, a first thread section, a second thread section and a third thread section, wherein the conical limiting part used for limiting the flow of molten materials to the front end of an inner barrel cavity is arranged at the front end of the screw body, the connecting shaft part rotatably connected with a bearing in the inner barrel is arranged at the front end of the conical limiting part, the first thread section, the second thread section and the third thread section are sequentially arranged on the screw body from front to back, the thread intervals of the first thread section, the second thread section and the third thread section are gradually increased from the front end to back, and the front end of the connecting shaft and the rear end of the screw body are fixedly installed.

3. The nylon waste silk screw rod melting device of claim 1, characterized in that: the feeding device comprises an outer shell barrel, a feeding pipe, a receiving hopper and a cam mechanism, wherein the outer shell barrel is arranged at the top of the rear end of the melting barrel through a support, the receiving hopper is arranged at the top of the outer shell barrel, the feeding pipe is arranged at the bottom of the outer shell barrel, the lower end of the feeding pipe penetrates into the melting barrel, a sieve hopper is arranged in the outer shell barrel and is arranged in the outer shell barrel in a sliding mode through a sliding rail pair, the rear end of the sieve hopper and one end of the cam mechanism are fixedly installed, and a residual material pipe is arranged on the side wall of the outer shell barrel, close to the front end of the sieve hopper.

4. The nylon waste silk screw rod melting device of claim 3, characterized in that: the sieve fill is including being concave type frame, screen cloth and the baffle that the inclined plane set up, the inclined plane of concave type frame is rear end 30 ~ 45 angle of inclination settings to the front end, the screen cloth is installed concave type frame is on the bottom surface that the fretwork set up, the slider on the slide rail is vice is installed on two lateral walls of concave type frame, the baffle mounting is in the rear end of concave type frame, cam mechanism one end with baffle looks fixed mounting.

5. The nylon waste silk screw rod melting device of claim 4, characterized in that: the cam mechanism comprises a moving frame, rolling shafts, a cam, a rotating shaft and a connecting frame, wherein the moving frame is fixedly installed on the baffle, the two rows of rolling shafts are arranged on the upper side and the lower side of the vertical surface in the moving frame in a rotating mode, the cam is arranged between the rolling shafts, the cam is fixedly installed at the front end of the rotating shaft, the rear end of the rotating shaft is rotatably connected to the connecting frame, the connecting frame is fixedly installed on the outer shell barrel, and the upper end of the transmission assembly is installed on the rotating shaft.

6. The nylon waste silk screw rod melting device of claim 5, characterized in that: the transmission component is a belt transmission structure consisting of two groups of belt pulleys and a transmission belt.

7. A control method of a chinlon waste silk screw rod melting device is characterized by comprising the following steps: the method specifically comprises the following steps:

s1: starting an electric heating device to heat the melting barrel;

s2: when the temperature of an inner barrel of the melting barrel is increased to 270-275 ℃, starting a driving device to drive a variable-thread screw to rotate and a feeding device for screening materials through a vibrating screen to operate through transmission of a transmission assembly;

s3: and after the step S2 is completed, introducing the waste nylon yarn material to be subjected to melting treatment into the device through a feed inlet of the feeding device for processing treatment.