CN214934787U

CN214934787U - Unwinding device for precursor yarn cylinder

Info

Publication number: CN214934787U
Application number: CN202120347321.4U
Authority: CN
Inventors: 谈源; 吴超; 陈香伟; 王志刚
Original assignee: Changzhou New Intelligent Technology Co Ltd
Current assignee: Changzhou New Intelligent Technology Co Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-30
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to the technical field of carbon fiber composite material processing, in particular to a precursor yarn bobbin unwinding device; comprises a unreeling shaft, a belt wheel, a first adapter, a second adapter, a sleeve, an end head and a fixing strip; the first adapter is sleeved on the unreeling shaft and is fixedly connected with the unreeling shaft; the belt wheel is sleeved on the first adapter and is fixedly connected with the first adapter; the second adapter is sleeved on the first adapter and forms a first mounting groove with the first adapter; the end head is fixedly connected with one end of the unwinding shaft; one end of the sleeve and the second adapter form a second mounting groove; the other end of the sleeve and the end head form a third mounting groove; the plurality of fixing strips are respectively installed in the first installation groove, the second installation groove and the third installation groove; the fixing strip is circumferentially provided with a convex block for fixing the precursor yarn barrel. The utility model aims at providing a precursor yarn section of thick bamboo unwinding device to the defect that exists among the prior art, promote the fixed effect to a precursor yarn section of thick bamboo.

Description

Unwinding device for precursor yarn cylinder

Technical Field

The utility model relates to a carbon-fibre composite processing technology field especially relates to a precursor yarn section of thick bamboo unwinding device.

Background

The carbon fiber composite material is a new material with excellent performance, has the characteristics of high temperature resistance, friction resistance, corrosion resistance and the like of common carbon materials, and also has the characteristics of softness, easy processing and the like of fiber materials. And the carbon fiber can be compounded with resin, metal, ceramic and other matrixes to prepare structural materials with various characteristics. Therefore, carbon fiber composite materials are widely used in many fields.

Polymeric strand materials used in the production of carbon fibers are typically wound into rolls from a bobbin for ease of transportation and storage. In the production of carbon fibers, rolls of polymer precursor material are required to be unwound. The unwinding device in the prior art is poor in fixing effect of the precursor yarn barrel, so that the unwinding effect of the precursor is poor, and the quality of carbon fiber products is affected.

In view of the above problems, the designer actively makes research and innovation based on practical experience and professional knowledge that is rich for years in engineering application of such products and by matching with the application of theory, and designs a raw yarn bobbin unwinding device to improve the fixing effect of the raw yarn bobbin.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a precursor yarn section of thick bamboo unwinding device to the defect that exists among the prior art, have the fixed strip of lug through the setting, promote the fixed effect to a precursor yarn section of thick bamboo.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the method comprises the following steps: the device comprises a unreeling shaft, a belt wheel, a first adapter, a second adapter, a sleeve, an end head and a fixing strip;

the first adapter is sleeved on the unreeling shaft and is fixedly connected with the unreeling shaft;

the belt wheel is sleeved on the first adapter, and the belt wheel is fixedly connected with the first adapter;

the second adapter is sleeved on the first adapter and forms a first mounting groove with the first adapter;

the end head is fixedly connected to one end of the unreeling shaft;

one end of the sleeve is sleeved on the adapter and forms a second mounting groove with the second adapter; the other end of the sleeve is sleeved on the end head and forms a third mounting groove with the end head;

the plurality of fixing strips are respectively installed in the first installation groove, the second installation groove and the third installation groove; the fixing strip is circumferentially provided with a convex block for fixing a precursor yarn barrel.

Further, the fixing strip is of a rubber structure.

Furthermore, the first adapter, the second adapter, the sleeve and the end head are all provided with clamping grooves in the circumferential direction, and the side walls of the clamping grooves are obliquely arranged and used for installing the fixing strips.

Furthermore, the end head is provided with a chamfer structure.

Further, the belt wheel is provided with a belt groove for installing a belt.

Further, the unreeling shaft is provided with an axially through hole structure.

Further, the first adapter is connected with the unwinding shaft pin; the pin connection is arranged in a radial position.

Further, the end head is in threaded connection with the unreeling shaft; the threaded connection is arranged at the end face of the end head.

Through the technical scheme of the utility model, can realize following technological effect:

the unwinding device for the raw yarn barrel is provided with the fixing strip with the bump, so that the fixing effect on the raw yarn barrel is improved; the raw yarn sand cylinder is easier to disassemble and assemble by arranging the fixing strip of the rubber structure, so that the working efficiency is improved; through set up the chamfer structure at the end, make a raw silk sand section of thick bamboo install more easily, improve work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a raw yarn bobbin unwinding device of the present invention;

fig. 2 is a schematic structural diagram of a first adapter of the raw yarn bobbin unreeling device of the present invention;

fig. 3 is a schematic structural view of a second adapter of the raw yarn bobbin unreeling device of the present invention;

fig. 4 is a schematic structural view of an end of the raw yarn bobbin unreeling device of the present invention;

fig. 5 is a schematic structural view of a sleeve of the raw yarn bobbin unreeling device of the present invention;

fig. 6 is a schematic structural view of a fixing strip of the raw yarn bobbin unreeling device of the present invention;

fig. 7 is a schematic structural view of another embodiment of the fixing strip of the raw yarn bobbin unreeling device of the present invention;

reference numerals: reel 1, band pulley 2, first adapter 3, second adapter 4, sleeve 5, end 6, fixed strip 7, first mounting groove 71, second mounting groove 72, third mounting groove 73, lug 74, draw-in groove 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the orientations and positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

An unwinding device for a precursor yarn cylinder, as shown in figures 1 to 7,

the method comprises the following steps: the device comprises a unreeling shaft 1, a belt wheel 2, a first adapter 3, a second adapter 4, a sleeve 5, an end head 6 and a fixing strip 7;

the first adapter 3 is sleeved on the unreeling shaft 1, and the first adapter 3 is fixedly connected with the unreeling shaft 1;

the belt wheel 2 is sleeved on the first adapter 3, and the belt wheel 2 is fixedly connected with the first adapter 3;

the second adapter 4 is sleeved on the first adapter 3 and forms a first mounting groove 71 with the first adapter 3;

the end head 6 is fixedly connected to one end of the unreeling shaft 1;

one end of the sleeve 5 is sleeved on the adapter, and forms a second mounting groove 72 with the second adapter 4; the other end of the sleeve 5 is sleeved on the end head 6 to form a third mounting groove 73 with the end head 6;

the plurality of fixing strips 7 are respectively installed in the first installation groove 71, the second installation groove 72 and the third installation groove 73; the fixing strip 7 is provided with a projection 74 in the circumferential direction for fixing the precursor yarn bobbin.

Specifically, when the unwinding device for the precursor yarn bobbin is installed, a first adapter 3 is fixedly sleeved on an unwinding shaft 1, a belt wheel 2 is fixedly installed on the first adapter 3, a first fixing strip 7 is sleeved on the first adapter 3, a second adapter 4 is sleeved on the first adapter 3, a second fixing strip 7 is sleeved on the second adapter 4, a sleeve 5 is sleeved on the second adapter 4, a third fixing strip 7 is sleeved on an end head 6, the end head 6 is plugged into the sleeve, and finally the end head 6 is fixed on the unwinding shaft 1; the end 6 has the pressure of axial compaction to the axle sleeve, can fix the overall structure of precursor yarn section of thick bamboo unwinding device.

The projections 74 may be distributed on the fixing strip 7 in a double-row manner as shown in fig. 6, or in a wave-shaped manner as shown in fig. 7; when the precursor yarn barrel is sleeved on the precursor yarn barrel unwinding device, the lug 74 butts against the inner wall of the precursor yarn barrel, the precursor yarn barrel is fixed, the precursor yarn barrel is driven to rotate, and the unwinding function is achieved.

As shown in fig. 1 to 7, the fixing strip 7 is preferably made of rubber.

Specifically, the fixing strip 7 is arranged to be of a rubber structure, the fixing strip 7 can be processed to be of a straight strip structure, and the fixing strip 7 is bent into a ring to be sleeved when being installed, so that the processing difficulty of the fixing strip 7 is reduced; meanwhile, the fixing strip 7 is of a rubber structure, namely the arranged lug 74 is also of a rubber structure, so that the friction force can be increased when the lug abuts against the inner wall of the raw yarn barrel, and the fixing effect on the raw yarn barrel is improved; meanwhile, the bump 74 is of a rubber structure and is easy to deform in the axial direction of the raw yarn barrel unwinding device, so that the raw yarn barrel is easier to disassemble and assemble, and the working efficiency is improved.

As a preferred advantage of the above embodiment, as shown in fig. 1 to 7, the first adapter 3, the second adapter 4, the sleeve 5, and the end head 6 are all provided with a slot 8 in the circumferential direction, and the side wall of the slot 8 is obliquely arranged for mounting the fixing strip 7.

Specifically, the two sides of the fixing strip 7 are arranged in the clamping grooves 8, so that the fixing strip 7 is prevented from falling off.

Preferably, as shown in fig. 1 to 7, the end 6 is provided with a chamfer structure.

Specifically, set up the chamfer structure at end 6, lead to a raw silk sand section of thick bamboo when a raw silk sand section of thick bamboo installation, improve work efficiency.

As shown in fig. 1 to 7, the pulley 2 is preferably provided with a belt groove for mounting a belt.

As shown in fig. 1 to 7, the unwinding shaft 1 is preferably provided with a through hole structure penetrating in the axial direction.

Specifically, the through hole structure is used for lightening the weight of the unreeling shaft 1 so as to reduce the moment of inertia of the original yarn bobbin unreeling device and control the original yarn bobbin unreeling device when unreeling is facilitated.

As a preferable example of the above embodiment, as shown in fig. 1 to 7, the first adapter 3 is pin-connected to the unwinding shaft 1; the pin connection is arranged in a radial position.

As a preference of the above embodiment, as shown in fig. 1 to 7, the head 6 is connected with the unreeling shaft 1 by a screw thread; the threaded connection is arranged at the end face of the head 6.

Specifically, the threaded connection is convenient to disassemble and assemble, and the original yarn bobbin unwinding device is convenient to maintain; meanwhile, the tightness degree of the threads can be adjusted, and the axial compression pressure of the end head 6 can be adjusted.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A protofilament yarn drum unreeling device is characterized by comprising an unreeling shaft (1), a belt wheel (2), a first adapter (3), a second adapter (4), a sleeve (5), an end head (6) and a fixing strip (7);

the first adapter (3) is sleeved on the unreeling shaft (1), and the first adapter (3) is fixedly connected with the unreeling shaft (1);

the belt wheel (2) is sleeved on the first adapter (3), and the belt wheel (2) is fixedly connected with the first adapter (3);

the second adapter (4) is sleeved on the first adapter (3) and forms a first mounting groove (71) with the first adapter (3);

the end head (6) is fixedly connected to one end of the unreeling shaft (1);

one end of the sleeve (5) is sleeved on the adapter, and forms a second mounting groove (72) with the second adapter (4); the other end of the sleeve (5) is sleeved on the end head (6) to form a third mounting groove (73) with the end head (6);

the plurality of fixing strips (7) are respectively arranged in the first mounting groove (71), the second mounting groove (72) and the third mounting groove (73);

the fixing strip (7) is circumferentially provided with a convex block (74) for fixing the precursor yarn barrel.

2. The filament package unwinding device according to claim 1, characterized in that the fixing strip (7) is of rubber construction.

3. The precursor yarn reel unwinding device according to claim 1, wherein the first adapter (3), the second adapter (4), the sleeve (5) and the end head (6) are all provided with a clamping groove (8) in the circumferential direction, and the side wall of the clamping groove (8) is obliquely arranged and used for mounting the fixing strip (7).

4. The filament yarn package unwinding device of claim 1, wherein the end head (6) is provided with a chamfer structure.

5. A filament package unwinding device according to claim 1, characterised in that the pulley (2) is provided with a belt groove for mounting a belt.

6. The filament yarn package unwinding device according to claim 1, wherein the unwinding shaft (1) is provided with an axially through-going through-hole structure.

7. The filament reel unwinding device according to claim 1, characterized in that said first adapter (3) is pinned to said unwinding shaft (1); the pin connection is arranged in a radial position.

8. The filament yarn package unwinding device according to claim 1, wherein the end head (6) is screwed to the unwinding shaft (1); the threaded connection is arranged at the end face position of the end head (6).