CN217319295U

CN217319295U - Yarn belt tensioning tool and carbon fiber winding machine

Info

Publication number: CN217319295U
Application number: CN202221382055.XU
Authority: CN
Inventors: 金钊; 郭淑芬
Original assignee: Weishi Energy Technology Co Ltd
Current assignee: Weishi Energy Technology Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-08-30
Anticipated expiration: 2032-05-26

Abstract

The utility model provides a yarn belt tensioning tool and a carbon fiber winding machine, relating to the technical field of winding equipment, wherein the yarn belt tensioning tool comprises a fixing frame, a roller shaft and a tensioning roller; the fixed frame is provided with a fixed structure for mounting the fixed frame; the roller shaft is fixedly connected with the fixed frame; the tensioning roller is sleeved on the roller shaft and can rotate relative to the roller shaft. The carbon fiber winding machine comprises a yarn belt tensioning tool. The technical problem that the bandwidth quality is influenced by the possibility of torsion, curling and the like of the carbon fiber prepreg tape in the sample preparation process in the prior art is solved, and the technical effect of avoiding torsion, curling and the like of the prepreg tape is achieved.

Description

Yarn belt tensioning tool and carbon fiber winding machine

Technical Field

The utility model belongs to the technical field of the technique of winding equipment and specifically relates to a gauze tape tensioning frock and carbon fiber coiler is related to.

Background

Hydrogen storage cylinders have been developed for over 50 years and are classified into four types: the gas cylinder comprises an all-metal gas cylinder (I type), a metal liner fiber hoop winding gas cylinder (II type), a metal liner fiber full winding gas cylinder (III type) and a nonmetal liner fiber full winding gas cylinder (IV type).

Among them, the I-type and II-type gas cylinders have a large weight and are difficult to meet the hydrogen storage density requirement of unit mass. Compared with a III-type gas cylinder, the IV-type gas cylinder generally adopts a manufacturing method of a non-metal liner such as plastic and the like and carbon fiber winding, so that the gas cylinder has the advantages of lighter weight, lower cost and higher mass hydrogen storage density, is easy to open market space and has wider application field.

The existing winding machine applies certain tension by means of a winding machine creel in the process of winding and sample preparation of a gas cylinder, a carbon fiber prepreg tape moves a longer distance in the process from the yarn discharge of the prepreg tape to the sample preparation of the winding machine, and the problem that the quality of the bandwidth is influenced by torsion, curling and the like of the carbon fiber prepreg tape in the sample preparation process can occur. Through multiple trial production verification, the quality of the bandwidth of the prepreg tape has a great influence on the quality of the wound composite material, and is one of the process problems to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gauze tape tensioning frock and carbon fiber coiler to the technical problem that influences the bandwidth quality probably appears twisting back, turn-up etc. on the way of system appearance in the carbon fiber preimpregnation area that exists among the alleviating prior art.

In a first aspect, the utility model provides a gauze tape tensioning frock, include: the device comprises a fixing frame, a roller shaft and a tensioning roller;

the fixing frame is provided with a fixing structure for mounting the fixing frame;

the roller shaft is fixedly connected with the fixed frame;

the tensioning roller is sleeved on the roller shaft and can rotate relative to the roller shaft.

Furthermore, the roller shaft is in threaded connection with the fixing frame.

Further, one end of the roller shaft is provided with an external thread section;

the fixing frame is provided with an internal threaded hole;

and the external thread section of the roller shaft is screwed in the internal thread hole.

Further, the tensioning roller is sleeved on the roller shaft through a bearing;

the inner ring of the bearing is fixed relative to the roller shaft, and the outer ring of the bearing is fixed relative to the tensioning roller.

Further, the inner ring of the bearing is in interference fit with the roller shaft;

and the outer ring of the bearing is in interference fit with the tensioning roller.

Furthermore, a clamping groove is formed in the circumferential direction of the roller shaft;

and a retainer ring is arranged in the clamping groove and used for axially limiting the bearing.

Further, the fixing structure comprises a clamping groove arranged on the fixing frame.

Further, the cross-sectional shape of the clamping groove is "C" or "U" shape.

Furthermore, the fixing frame comprises a first supporting arm and a second supporting arm which are integrally bent;

one end of the first supporting arm is bent towards one side and forms the clamping groove with the first supporting arm in an enclosing mode;

one side of the second supporting arm, which is opposite to the clamping groove, protrudes to form an installation inclined plane;

the roller shaft is fixedly connected to the installation inclined plane.

Has the advantages that:

the fixing frame of the yarn belt tensioning tool provided by the utility model is provided with a fixing structure for mounting the fixing frame, and the fixing frame can be mounted at a proper position when in specific use, and the roller shaft is fixedly connected with the fixing frame; the tensioning roller is sleeved on the roller shaft and can rotate relative to the roller shaft, so that the pre-impregnated tape can be tensioned by the tensioning roller of the yarn tape tensioning tool according to the requirement on the bandwidth of the pre-impregnated tape during sample winding and preparation, the stability of the bandwidth of the pre-impregnated tape is improved, and the situation that the bandwidth is affected by torsion, curling and the like of the pre-impregnated tape in the sample preparation working process is avoided.

In addition, the gauze band tensioning tool can be used for supplementing the gauze band width control lacking in the carbon fiber winding machine aiming at the carbon fiber winding machine used in the dry winding process of the vehicle-mounted nonmetal liner fully-wound gas cylinder, so that the dry winding process is perfected, and the stability of the hydrogen cylinder winding process is improved.

In a second aspect, the present invention provides a carbon fiber winding machine, including: a belt wheel carrier and a yarn belt tensioning tool of any one of the previous embodiments;

the fixing frame is arranged on the belt wheel frame through the fixing structure.

Has the advantages that:

the utility model provides a carbon fiber winding machine includes aforementioned gauze tape tensioning frock, from this, technical advantage and effect that this carbon fiber winding machine can reach include the technical advantage and the effect that gauze tape tensioning frock can reach equally, no longer give consideration to here.

Drawings

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

Fig. 1 is a schematic structural view of a yarn belt tensioning tool provided by an embodiment of the present invention;

fig. 2 is a simplified schematic diagram of the installation of the gauze band tensioning tool provided by the embodiment of the utility model.

Icon:

100-a fixing frame; 110-a first support arm; 120-a second support arm; 130-a clamping groove; 121-mounting an inclined plane;

200-drum shaft;

300-a tensioning roller;

400-a retainer ring;

500-a pulley frame; 510-a first pulley frame plate; 520-a second pulley plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 and 2, the present embodiment provides a webbing tensioning tool including a holder 100, a drum shaft 200, and a tensioning drum 300; the fixing frame 100 is provided with a fixing structure for mounting the fixing frame; the roller shaft 200 is fixedly connected to the fixing frame 100; the tension roller 300 is sleeved on the roller shaft 200 and can rotate relative to the roller shaft 200.

In the gauze band tensioning tool provided by this embodiment, the fixing frame 100 is provided with a fixing structure for mounting the fixing structure, and when in specific use, the fixing structure can be mounted at a proper position, and the roller shaft 200 is fixedly connected to the fixing frame 100; the tensioning roller 300 is sleeved on the roller shaft 200 and can rotate relative to the roller shaft 200, so that the pre-impregnated tape can be tensioned through the tensioning roller 300 of the yarn tape tensioning tool according to the requirement on the bandwidth of the pre-impregnated tape during sample winding and preparation, the stability of the bandwidth of the pre-impregnated tape is improved, and the situation that the bandwidth is influenced by torsion or curling and the like of the pre-impregnated tape in the sample preparation working process is avoided.

In addition, the gauze tensioning tool can be used for supplementing the width control of the gauze lacking in the carbon fiber winding machine aiming at the carbon fiber winding machine used in the dry winding process of the vehicle-mounted nonmetal liner full-winding gas cylinder, so that the dry winding process is perfected, and the stability of the hydrogen cylinder winding process is improved. In particular, the embodiment can be used in the dry winding process of the 70MPa IV-type hydrogen storage cylinder.

In this embodiment, the roller shaft 200 and the fixing frame 100 are detachably connected, so that the roller shaft 200 and the fixing frame 100 can be conveniently disassembled and assembled, and meanwhile, the damaged part can be conveniently replaced. For example, a threaded connection may be used.

Specifically, one end of the drum shaft 200 is provided with an external thread section; the fixing frame 100 is provided with an internal thread hole; the external thread section of the drum shaft 200 is screwed into the internal thread hole, so that the external thread section is processed on the drum shaft 200, and the internal thread hole is formed on the fixing frame 100, which is simple for practical processing, convenient for implementation and relatively low in cost.

In one embodiment of the present application, the tension roller 300 is sleeved on the roller shaft 200 by a bearing (not shown in the drawings); wherein, the inner ring of the bearing is relatively fixed with the drum shaft 200, and the outer ring of the bearing is relatively fixed with the tension drum 300.

Alternatively, the bearing may be a deep groove ball bearing.

Further, the inner ring of the bearing is in interference fit with the drum shaft 200; the outer ring of the bearing is in interference fit with the tension roller 300 to ensure that the tension roller 300 can rotate relative to the roller shaft 200 under the driving of external force.

Further, the drum shaft 200 is provided with a locking groove (not shown in the drawings) along the circumferential direction; a retaining ring 400 or a snap spring (not shown in the drawings) is arranged in the clamping groove and used for axially limiting the bearing so as to prevent the bearing from axially sliding along the roller shaft 200.

In this embodiment, the fixing structure includes a clamping groove 130 formed in the fixing frame 100 for fixing itself.

The cross-sectional shape of the clamping groove 130 is "C" or "U", and it should be noted that it is within the scope of the present invention that the cross-sectional shape of the clamping groove 130 is similar to the "C" or "U".

Specifically, referring to fig. 1, the fixing frame 100 includes a first supporting arm 110 and a second supporting arm 120 that are integrally bent; one end of the first support arm 110 is bent to one side and forms a clamping groove 130 with the first support arm; the side of the second supporting arm 120 opposite to the clamping groove 130 protrudes to form a mounting inclined surface 121; the roller shaft 200 is fixedly connected to the installation slope 121, and thus, on the basis of realizing the stable installation of the fixing frame 100, more space is reserved, so that the interference to the tension roller 300 is avoided, and the smooth rotation of the tension roller 300 is ensured. The fixing frame 100 is an integrally formed structure, and the processing and manufacturing are relatively simple and convenient.

In this embodiment, the included angle between the first support arm 110 and the second support arm 120 is 90 °.

The embodiment also provides a carbon fiber winding machine, which comprises the yarn belt tensioning tool in the embodiment; the fixing frame 100 is fixedly mounted on the belt wheel frame 500 through the fixing structure of the previous embodiment.

The carbon fiber winding machine that this embodiment provided includes aforementioned gauze tensioning frock, and from this, the technical advantage and the effect that the carbon fiber winding machine of this embodiment can reach include technical advantage and effect that gauze tensioning frock can reach equally, and it is no longer repeated here.

Specifically, referring to fig. 2, the pulley frame 500 includes a first pulley frame plate 510 and a second pulley frame plate 520, and the first pulley frame plate 510 and the second pulley frame plate 520 are perpendicularly arranged and fixedly connected.

The width of the clamping groove 130 is adapted to the plate thickness of the first pulley frame plate 510, so that the first pulley frame plate 510 can be clamped in the clamping groove 130, and in order to ensure the connection reliability between the first pulley frame plate 510 and the fixing frame 100, the width of the clamping groove 130 is slightly smaller than the plate thickness of the first pulley frame plate 510. Further, the first support arm 110 forming the clamping groove 130 is erected on the second pulley plate 520. Through the arrangement, the fixing frame 100 can be limited in multiple directions, the fixing frame 100 cannot displace relative to the belt wheel carrier 500 in the using process, and the use safety of the yarn belt tensioning tool is improved.

In this embodiment, the effect of tensioning is mainly played the gauze to the gauze tensioning frock, and suitable adjustment can be made as required to its specific mounted position, and simultaneously, a carbon fiber coiler can match multiunit gauze tensioning frock.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a gauze tape tensioning frock which characterized in that includes: a fixed frame (100), a roller shaft (200) and a tension roller (300);

the fixing frame (100) is provided with a fixing structure for mounting the fixing frame;

the roller shaft (200) is fixedly connected to the fixed frame (100);

the tensioning roller (300) is sleeved on the roller shaft (200) and can rotate relative to the roller shaft (200).

2. The gauze tensioning tool of claim 1, characterized in that, the roller shaft (200) and the fixing frame (100) are in threaded connection.

3. The gauze band tensioning tool according to claim 2, characterized in that one end of the drum shaft (200) is provided with an external thread section;

the fixing frame (100) is provided with an internal thread hole;

the external thread section of the roller shaft (200) is screwed in the internal thread hole.

4. The gauze tensioning tool according to claim 1, characterized in that the tensioning roller (300) is sleeved on the roller shaft (200) through a bearing;

wherein the inner ring of the bearing is fixed relative to the drum shaft (200), and the outer ring of the bearing is fixed relative to the tension drum (300).

5. The gauze band tensioning tool of claim 4, characterized in that the inner ring of the bearing is in interference fit with the drum shaft (200);

the outer ring of the bearing is in interference fit with the tensioning roller (300).

6. The yarn belt tensioning tool according to claim 5, characterized in that the roller shaft (200) is circumferentially provided with a clamping groove;

and a check ring (400) is arranged in the clamping groove and used for axially limiting the bearing.

7. The yarn strap tensioning tool according to any one of claims 1 to 6, characterized in that the fixing structure comprises a clamping groove (130) provided in the fixing frame (100).

8. The yarn strip tensioning tool according to claim 7, characterized in that the cross-sectional shape of the clamping groove (130) is "C" or "U".

9. The yarn belt tensioning tool according to claim 7, characterized in that the fixing frame (100) comprises a first supporting arm (110) and a second supporting arm (120) which are integrally bent;

one end of the first supporting arm (110) is bent towards one side and forms the clamping groove (130) with the first supporting arm;

the side, opposite to the clamping groove (130), of the second supporting arm (120) protrudes to form an installation inclined surface (121);

the roller shaft (200) is fixedly connected to the installation inclined surface (121).

10. A carbon fiber winding machine characterized by comprising: a belt pulley carrier (500) and a yarn belt tensioning tool according to any one of claims 1 to 9;

the fixing frame (100) is mounted on the belt wheel frame (500) through the fixing structure.