CN115648599A - Automatic silk mechanism of going up of multibeam fibre winding - Google Patents

Abstract

The invention belongs to the field of auxiliary equipment of a multi-beam fiber winding device, and particularly relates to an automatic multi-beam fiber winding and feeding mechanism; the device comprises a supporting disc, wherein a connecting sleeve is arranged on the supporting disc, an inlet communicated with the connecting sleeve is formed in the first end face of the supporting disc, and the second end face of the supporting disc is connected with a driving shaft on a rack; the supporting disk is provided with a plurality of supporting parts which are distributed in an annular array by taking the connecting sleeve as a center, the supporting parts axially extend out relative to the first end surface of the supporting disk, a fiber tow clamping groove is formed between every two supporting parts, and an annular cutter which is coaxial with the connecting sleeve and can axially slide is embedded between the supporting parts and the connecting sleeve on the supporting disk; a cutting knife capable of axially sliding is arranged between every two supporting parts on the supporting disk; the full process automation of the wire feeding, tension self-maintaining and residual wire removing and cutting actions of the to-be-wound piece in the winding process of the multi-bundle fiber hydrogen storage container is realized, the bad phenomenon of labor intensity in the winding and reloading process of the multi-bundle fiber is overcome, the labor and time costs are reduced, and the production efficiency is improved.

Description

A Multi-bundle Fiber Winding Automatic Feeding Mechanism

technical field

The invention belongs to the field of auxiliary equipment for multi-bundle fiber winding devices, and in particular relates to an automatic filament feeding mechanism for multi-bundle fiber winding.

Background technique

High-pressure hydrogen storage containers are widely used in many fields, such as industry, medical treatment, automobile and other fields. At present, high-pressure hydrogen storage containers are mainly divided into Type III containers (aluminum alloy liner) and Type IV containers (resin liner). Carbon fiber is wound on the outer surface of the container as the main pressure-bearing layer, while ensuring the safety performance of the container.

In the production and processing of pressure vessels, the multi-bundle fiber winding process is an inevitable trend of future development because it can avoid fiber stacking, crossing, and uneven winding. Filament winding equipment is the specific way to realize the fiber winding process, and realizing the automation of the whole process of winding equipment is also the only way to mass-produce winding products. At present, winding equipment in the world can basically realize automatic winding. However, in the repacking step after one winding, it is necessary to manually carry out the initial winding of multiple bundles of fibers. As the number of fiber bundles increases, the labor efficiency decreases significantly, and the time cost increases. The inability to realize automatic production seriously restricts the promotion of multi-bundle filament winding process and the iteration of filament winding production methods.

Contents of the invention

The present invention solves the problems that in the traditional multi-bundle fiber winding process, manual initial winding of multi-bundle fibers is required in the repacking step after one winding, which seriously affects production efficiency and keeps high labor costs.

The invention provides the following technical solutions: an automatic threading mechanism for multi-bundle fiber winding, including a support plate, on which a radially contracted connecting sleeve is installed, and the first end surface of the support plate is provided with an inlet connected to the connecting sleeve, a second connecting sleeve The two end faces are connected with the drive shaft on the frame, the drive shaft drives the support plate to rotate, and the connecting sleeve is coaxial with the drive shaft; the frame is used to be installed on the sliding trolley adapted to the track of the multi-bundle fiber winding device;

The supporting plate is provided with a number of supporting parts distributed in a circular array with the connecting sleeve as the center. The supporting parts protrude axially relative to the first end surface of the supporting plate, and a fiber tow clamping groove is formed between the supporting parts. The supporting parts The number is equal to the number of fiber tows in the multi-bundle fiber winding device. An annular cutter coaxial with the connecting sleeve and axially slidable is embedded between the supporting part and the connecting sleeve on the supporting disc. The annular cutter and the first on the supporting disc A driving part is connected to cut off the fiber bundle between the support part and the multi-bundle fiber winding device;

The supporting disk is provided with an axially slidable cutting knife between two supporting parts, and the cutting knife is connected with the second driving part on the supporting disk, and is used for cutting the fiber tow wound on the supporting part.

Furthermore, several cutting knives are connected to the same cutter head to act synchronously, the cutting knives are installed on the knife holder of the cutter head, the cutter head is slidably matched with the supporting disc, and connected with the second driving part.

Further, the support disc is a disc, and there are partition grooves distributed around the outer side of the disc, and the tool holders on the cutter disc are slidably inserted into the partition slots one by one.

Further, the cutting knife is a circular blade, and the cutting knife is radially parallel to the support disc.

Further, the connection sleeve is an air expansion jacket.

Further, the frame includes a lifting joint, a base, a drive shaft and a linear drive part, the top of the base is nested and connected to the bottom end of the lifting joint, and the linear drive part is vertically installed in the cavity between the base and the lifting joint Inside; the drive shaft is connected with the self-locking motor installed on the lifting joint.

Further, both the first driving part and the second driving part are linear motors.

Further, the supporting portion is a rib plate radially parallel to the connecting sleeve.

Compared with the prior art, the present invention has the advantages of:

The automatic threading mechanism for multi-bundle fiber winding provided by the present invention realizes the mechanization of the whole process of thread feeding, self-maintaining tension, and removal and cutting of the parts to be wound during the winding process of the multi-bundle fiber hydrogen storage container, and overcomes the need for multi-bundle fiber winding. The unfavorable phenomenon of labor-intensive fiber winding and repacking process reduces labor and time costs, improves production efficiency, and makes up for the defects of traditional repacking steps.

Description of drawings

Figure 1 is a combined view of the automatic filament loading mechanism and the multi-bundle fiber winding device.

Fig. 2 is a perspective view of the automatic threading mechanism.

Fig. 3 is a half-sectional view of the automatic threading mechanism.

Fig. 4 is a schematic structural view of the automatic wire feeding mechanism (front view of the first end face).

Fig. 5 is a schematic diagram of step S2 in the mechanism tension maintaining stage.

Fig. 6 is a schematic diagram of step S3 in the mechanism tension maintenance stage (action 1).

Fig. 7 is a schematic diagram of step S3 in the mechanism tension maintaining stage (action 2).

Fig. 8 is a schematic diagram of step S2 in the wrapping part replacement stage.

Fig. 9 is a schematic diagram of step S2 in the container tension maintaining stage.

Fig. 10 is a schematic diagram of step S1 in the residual yarn removal stage.

Fig. 11 is a schematic diagram of completion of automatic threading.

In the figure: 1-frame; 1.1-lifting joint; 1.2-linear drive part; 1.3-base; 2-drive shaft; 3-support plate; 3.1-first end face; ;4-ring cutter; 5-connecting sleeve; 6-supporting part; 7-cutter; 8-cutter disc; Winding device; 13-winding clamping device.

Detailed ways

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

As shown in Figure 2, Figure 3, and Figure 4: a multi-bundle fiber winding automatic threading mechanism, including a support plate 3, a radially shrinkable connecting sleeve 5 is installed on the supporting plate 3, and the connecting sleeve 5 is an air expansion jacket . The first end surface 3.1 of the support plate 3 is provided with the entrance of the connection sleeve 5, and the second end surface 3.3 is connected with the drive shaft 2 on the frame 1, the drive shaft 2 drives the support plate 3 to rotate, and the connection sleeve 5 is coaxial with the drive shaft 2 ; The frame 1 is used to be installed on the sliding trolley adapted to the track of the multi-bundle fiber winding device, and the sliding trolley carries the multi-bundle fiber winding automatic threading mechanism to move along the track.

The support plate 3 is provided with a number of support parts 6 distributed in a circular array with the connecting sleeve 5 as the center. The support parts 6 protrude in the axial direction relative to the first end surface 3.1 of the support plate 3, and a fiber is formed between the support parts 6. Tow clamping groove, the number of supporting parts 6 is equal to the number of fiber tows of the multi-bundle fiber winding device, and the support plate 3 is equipped with a coaxial and axially sliding shaft between the supporting part 6 and the connecting sleeve 5 . The ring cutter 4 is connected with the first driving part 10 on the support disc 3, and is used for cutting the fiber tow between the support part 6 and the multi-bundle fiber winding device.

On the support disc 3, there are axially slidable cutters 7 between the support parts 6. The cutters 7 are connected to the second driving part 11 on the support disc 3 for cutting the fibers wound on the support parts 6. tow.

A plurality of cutting knives 7 are connected with the same cutter head 8 and act synchronously. The cutting knives 7 are installed on the knife rest 9 of the cutter head 8 .

The support disc 3 is a disc, and there are separating grooves 3.2 distributed around the outer side of the disc, and the tool holders 9 on the cutter head 8 are slidably inserted into the separating grooves 3.2 one by one.

By arranging several knife rests 9 on the outside of the support disc 3, the integration of residual wire cutting and pushing out is realized, which simplifies the mechanism action and improves production efficiency; During the operation, each bundle of fibers is approximately cut synchronously, which avoids the phenomenon of incomplete cutting and tow disturbance caused by the change of fiber position and posture after partial cutting, and improves the reliability of the device.

Cutter 7 is a circular blade, and cutter 7 is radially parallel to support disc 3 .

The frame 1 includes a lifting section 1.1, a base 1.3, a drive shaft 2 and a linear drive part 1.2, the top of the base 1.3 is nested and connected to the bottom of the lifting section 1.1, and the linear drive part 1.2 is vertically installed on the base 1.3 and the lifting In the cavity between the sections 1.1; the driving shaft 2 is connected with the self-locking motor installed on the lifting section 1.1. The linear drive part 1.2 adopts a piston-type cylinder, and the height adjustment of the whole mechanism can be realized by arranging the piston-type cylinder between the lifting joint 1.1 and the base 1.3, which improves the adaptation range and feasibility of the mechanism.

Both the first driving part 10 and the second driving part 11 are linear motors.

The support portion 6 is a rib plate radially parallel to the connecting sleeve 5 . The number of supporting parts 6 changes with the number of fiber tows, and the length changes with the process requirements to adapt to the number of winding turns. The form is not limited to ribs, and cylinders, pins, There are forms such as gap rings.

The threading method of a multi-bundle fiber winding automatic threading mechanism of this embodiment is composed of the mechanism tension maintenance stage, the winding part replacement stage, the container tension maintenance stage, and the remaining yarn removal stage in sequence:

The mechanism tension holding phase includes the following steps;

S1, after the winding action of the previous pressure vessel is completed, the fiber bundle at the free end is wound in the axial direction and fixed at the position of the pole hole of the pressure vessel;

As shown in Figure 5: S2, the multi-bundle fiber winding device 12 is moved along the track parallel to the axis of the pressure vessel to move away from the automatic wire feeding mechanism by a height distance of the head section of the pressure vessel;

As shown in Figure 6 and Figure 7: S3, the automatic threading mechanism slides along the track to insert the supporting part 6 on it into the gap between multiple fiber bundles, and the supporting disc 3 rotates around the axis of the pressure vessel to drive each bundle of fibers to wind on the supporting part 6 The outer peripheral surface realizes the tension maintenance of the fiber bundle;

The wrapping part replacement stage includes the following steps;

S1, the automatic threading mechanism moves along the track to the direction away from the pressure vessel to tension the fiber bundle between the outer peripheral surface of the support part 6 and the pole hole of the pressure vessel;

As shown in Figure 8: S2, the annular cutter 4 on the automatic threading mechanism is pushed out, and the fiber bundle between the outer peripheral surface of the support part 6 and the pole hole of the pressure vessel is cut off, and the previous pressure vessel and the multi-bundle fiber winding device 12 after the winding is completed Connecting fibers are disconnected;

S3, remove the pressure vessel from the winding and clamping device 13 by the mechanical arm, move the pressure vessel to be wound to the winding and clamping device 13 for clamping, and complete the replacement of the winding parts;

The vessel tension holding phase includes the following steps;

S1, the automatic threading mechanism drives the fiber bundles between the support part 6 and the multi-bundle fiber winding device 12 to rotate around the axis, and the multi-bundle fiber bundles intersect to form a nearly circular hole matching the diameter of the mouth of the pressure vessel;

As shown in Figure 9: S2, the winding and clamping device 13 drives the pressure vessel to move in the axial direction to extend the mouth of the bottle into the near-circular hole;

S3, the automatic threading mechanism drives the fiber bundles between the support part 6 and the multi-bundle fiber winding device 12 to continue to rotate around the axis, and wind the fiber bundles at the pole hole of the pressure vessel to be wound, so as to maintain the tension of the container;

The remaining yarn removal stage includes the following steps;

As shown in Figure 10: S1, the annular cutter 4 on the automatic threading mechanism is pushed out, the fiber bundle between the outer peripheral surface of the support part 6 and the pole hole of the pressure vessel is cut off, and the connection between the automatic threading mechanism and the multi-bundle fiber winding device 12 is disconnected ;

S2, the cutter 7 on the automatic threading mechanism is pushed out to cut off the fiber bundle wound on the support part 6, and the fiber bundle is peeled off from the support part 6.

As shown in Figure 11: before wrapping the new pressure vessel, the automatic threading mechanism moves towards the pressure vessel, the connecting sleeve 5 is clamped and fixed to the bottle mouth of the pressure vessel, and the support plate 3 drives the pressure vessel to rotate to complete the wrapping.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An automatic threading mechanism for multi-bundle fiber winding, characterized in that it includes a support plate (3), on which a radially shrinkable connecting sleeve (5) is installed, and the first of the support plate (3) The end face (3.1) is provided with the entrance of the connection sleeve (5), the second end face (3.3) is connected with the drive shaft (2) on the frame (1), and the drive shaft (2) drives the support plate (3) to rotate, and the connection The sleeve (5) is coaxial with the drive shaft (2); the frame (1) is used to be installed on a sliding trolley adapted to the track of the multi-bundle fiber winding device; The support plate (3) is provided with a number of support parts (6) distributed in a circular array with the connecting sleeve (5) as the center, and the support parts (6) extend axially relative to the first end surface (3.1) of the support plate (3). A fiber tow clamping groove is formed between two support parts (6), the number of support parts (6) is equal to the number of fiber tows in the multi-bundle fiber winding device, and the support disc (3) is placed on the support part (6) An annular cutter (4) coaxial with the connecting sleeve (5) and axially slidable is installed between the connecting sleeve (5), and the first driving part (10) on the annular cutter (4) and the support disc (3) ) connected to cut off the fiber bundles between the support part (6) and the multi-bundle fiber winding device; On the supporting disc (3), there are axially slidable cutting knives (7) between two supporting parts (6), and the cutting knives (7) are connected with the second driving part (11) on the supporting disc (3) , for cutting the fiber bundles wound on the support (6). 2. A multi-bundle fiber winding automatic threading mechanism according to claim 1, characterized in that: several of the cutters (7) are connected to the same cutter head (8) and act synchronously, and the cutters (7) ) is installed on the tool holder (9) of the cutter head (8), and the cutter head (8) is slidingly fitted with the support disc (3) and connected with the second driving part (11). 3. A multi-bundle fiber winding automatic threading mechanism according to claim 2, characterized in that: the support disc (3) is a disc, and there are separation grooves (3.2) distributed around the outer side of the disc, the knives The tool holders (9) on the disc (8) are slidably inserted into the separation grooves (3.2) one by one. 4. A multi-bundle fiber winding automatic threading mechanism according to claim 3, characterized in that: the cutting knife (7) is a circular blade, and the cutting knife (7) is radial to the support disc (3) parallel. 5. The multi-bundle fiber winding automatic threading mechanism according to claim 1, characterized in that: the connecting sleeve (5) is an air expansion jacket. 6. A multi-bundle fiber winding automatic threading mechanism according to claim 1, characterized in that: the frame (1) includes a lifting joint (1.1), a base (1.3), a drive shaft (2) and the linear driving part (1.2), the top of the base (1.3) is nested and connected with the bottom of the lifting joint (1.1), and the linear driving part (1.2) is vertically installed between the base (1.3) and the lifting joint (1.1) In the cavity between; the driving shaft (2) is connected with the self-locking motor installed on the lifting joint (1.1). 7. The multi-bundle winding automatic threading mechanism according to claim 1, characterized in that: the first driving part (10) and the second driving part (11) are both linear motors. 8 . The multi-bundle winding automatic threading mechanism according to claim 1 , characterized in that: the support part ( 6 ) is a rib plate radially parallel to the connecting sleeve ( 5 ).

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