CN118683082A

CN118683082A - Wire placing head device and wire placing equipment

Info

Publication number: CN118683082A
Application number: CN202410866679.6A
Authority: CN
Inventors: 刘丰; 邹爱玲; 胡培利; 任永新
Original assignee: Beijing National Innovation Institute of Lightweight Ltd
Current assignee: Beijing National Innovation Institute of Lightweight Ltd
Priority date: 2024-06-28
Filing date: 2024-06-28
Publication date: 2024-09-24

Abstract

The application belongs to the technical field of wire laying equipment, and provides a wire laying head device and wire laying equipment, wherein the wire laying head device is provided with a first symmetrical shaft, the wire laying head device comprises an executing mechanism, the executing mechanism is suitable for conveying a belt, the executing mechanism comprises a guide assembly and a compaction assembly, the compaction assembly is provided with a second symmetry axis, the second symmetry axis and the first symmetry axis are coaxially arranged, and the compaction assembly is arranged in a direction from a direction away from the second symmetry axis to a direction close to the second symmetry axis and in a direction away from the second symmetry axis and then close to the second symmetry axis. The plurality of guide structures of the guide assembly are arranged along the direction close to the second symmetry axis and far away from the second symmetry axis and towards the direction close to the second symmetry axis, so that the guide assembly can be compactly arranged, the guide assembly can not interfere with other parts in the process of guiding the belt, and the wire laying quality of the wire laying head in the wire laying process is improved.

Description

Wire laying head device and wire laying equipment

Technical Field

The application belongs to the technical field of wire laying equipment, and particularly relates to a wire laying head device and wire laying equipment.

Background

With the development of scientific technology, the application field of composite materials mainly comprising carbon fibers is increasing. The automatic laying technology of the carbon fiber composite material is widely applied to the fields of aerospace, equipment molding and the like.

The automatic laying technology of the composite material relates to the steps of cutting, laying, curing, demolding and the like of the prepreg, each step can influence the final laying quality, and one of the most critical steps is the laying of the prepreg.

In the related art, the wire laying head is provided with an executing mechanism, the executing mechanism is used for laying wires, and the wire laying effect of the wire laying head is easily affected if the executing mechanism interferes with other parts in the wire laying process.

Disclosure of Invention

In view of the above, the present application provides a wire laying head device and a wire laying apparatus, so as to solve the problem that an actuator of the wire laying head in the related art is easy to interfere with other components.

In one aspect, the application provides a laying head device having a first axis of symmetry, the laying head device comprising an actuator adapted to convey a belt, the actuator comprising a guide assembly and a compacting assembly having a second axis of symmetry disposed coaxially with the first axis of symmetry, the compacting assembly being disposed from a direction away from the second axis of symmetry to a direction toward the second axis of symmetry and further away from the second axis of symmetry and then toward the second axis of symmetry.

In some embodiments, the guide assembly further comprises a guide wheel, a tension sensor, and a tensioning mechanism, the guide wheel, the tension sensor, and the tensioning mechanism being sequentially disposed in an extending direction perpendicular to the second axis of symmetry.

In some embodiments, the tensioning mechanism comprises: a first support wheel; the second supporting wheels and the first supporting wheels are respectively positioned at two opposite sides of the second symmetrical axis; the tensioning wheel is arranged between the first supporting wheel and the second supporting wheel; and the linear motion mechanism is connected with the tensioning wheel and is suitable for driving the tensioning wheel to linearly move so as to tension the belt.

In some embodiments, the tension sensor is disposed between the guide wheel and the first support wheel such that a belt bypassing the tension sensor is in a right angle state.

In some embodiments, the guide wheel is disposed on a first side of the second axis of symmetry, and the guide assembly further includes a first tape guide, a pinch re-feed mechanism, a shear mechanism, and a second tape guide, all disposed on a second side of the second axis of symmetry.

In some embodiments, the spinneret device further comprises a cooling mechanism disposed on a first side of the second axis of symmetry.

In some embodiments, the cooling mechanism comprises: a cooler; and one end of the soft guide pipe is connected with the cooler, and the other end of the soft guide pipe extends to the compaction assembly.

In some embodiments, the spinneret device further comprises a floating mechanism comprising a fixed portion and a movable portion, the movable portion being connected to the actuator, the fixed portion being provided with a distance measuring device adapted to detect the position of the actuator.

In some embodiments, the belt is a single narrow belt having a belt width ranging between 3.175 millimeters and 10 millimeters; or the belt is a thermoplastic composite material narrow belt or an ultra-high molecular weight polyethylene composite belt.

In another aspect, the application also provides a wire laying device comprising any one of the wire laying head devices.

The beneficial effects are as follows: the guide assembly comprises a plurality of guide structures which are arranged along the direction close to the second symmetry axis and far away from the second symmetry axis and are arranged towards the direction close to the second symmetry axis, so that the guide assembly can be compactly arranged, the guide assembly can not interfere with other parts in the process of guiding a belt, and the wire laying quality of the wire laying head in the wire laying process is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of a front view of a spinneret assembly according to an embodiment of the present application;

FIG. 2 is a schematic rear view of a spinneret assembly according to one embodiment of the present application;

FIG. 3 is a schematic side view of a spinneret assembly according to one embodiment of the application;

Fig. 4 is a schematic perspective view of a spinneret device according to an embodiment of the present application.

Reference numerals illustrate:

10. A wire laying head device; 100. an actuator; 120. a guide assembly; 121. a guide wheel; 122. a tension sensor; 123. a tensioning mechanism; 1231. a first support wheel; 1232. a second support wheel; 1233. a tensioning wheel; 1234. a linear motion mechanism; 124. a first tape guide; 1241. a first guide block; 1242. a second guide block; 125. clamping the re-conveying mechanism; 126. a shearing mechanism; 127. a second tape guide; 130. a compacting assembly; 1301. a second symmetry axis; 200. a cooling mechanism; 210. a cooler; 220. a soft catheter; 300. a floating mechanism; 310. a fixing part; 320. a movable part; 400. a distance measuring device; 500. a heating device; 600. a feeding mechanism; 700. a temperature detection mechanism; 800. a belt.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Embodiments of the present application are described below with reference to fig. 1 to 4.

As shown in fig. 1 and 4, according to an embodiment of the present application, there is provided a spinneret device 10, the spinneret device 10 having a first symmetry axis, the spinneret device 10 including an actuator 100, the actuator 100 being adapted to convey a belt 800, the actuator 100 including a guide assembly 120 and a compacting assembly 130, the compacting assembly 130 having a second symmetry axis 1301, the second symmetry axis 1301 being arranged coaxially with the first symmetry axis, the compacting assembly 130 being arranged from a direction away from the second symmetry axis 1301 to a direction approaching the second symmetry axis 1301 and continuing to be away from the second symmetry axis 1301 and then approaching the second symmetry axis 1301.

The spinneret assembly 10 further includes a float mechanism 300, the float mechanism 300 including a fixed portion 310 and a movable portion 320, the movable portion 320 being coupled to the actuator 100.

In this embodiment, the actuator 100 is mounted on the movable portion 320, and the movable portion 320 has a plate-like structure.

The compacting assembly 130 includes a connection frame connected with the movable portion 320, the connection frame having a U-shaped structure, forming an installation cavity, and a compacting wheel disposed in the installation cavity. The lateral wall of U type structure is equipped with the connecting hole, and the compaction wheel is equipped with the shaft, and the shaft is installed connecting hole department. Wherein the axle forms a second symmetry axis 1301.

The above-described laying head device 10 is used for laying wires. The belt 800 is conveyed to the compacting assembly 130 under the guiding action of the guiding assembly 120, and the compacting assembly 130 compacts the belt 800.

The guide assembly 120 includes a plurality of guide structures, and the plurality of guide structures are arranged along a direction close to the second symmetry axis 1301 and far away from the second symmetry axis 1301, and further towards the direction close to the second symmetry axis 1301, so that the guide assembly 120 can be compactly arranged on the movable portion 320, the guide assembly 120 can not interfere with other components in the process of guiding the belt 800, and the wire laying quality of the wire laying head in the wire laying process is improved. The actuator 100 may achieve a minimum re-feed distance of about 73mm. The actuator 100 may be used to lay down a complex curvature belt 800. Wherein the complex curvature is a belt 800 having a non-uniform curvature.

In another embodiment, the guide assembly 120 further includes a guide wheel 121, a tension sensor 122, and a tension mechanism 123, and the guide wheel 121, the tension sensor 122, and the tension mechanism 123 are sequentially disposed in an extending direction perpendicular to the second axis of symmetry 1301.

In this embodiment, the guide wheel 121 includes a wheel body and an axle, the wheel body being mounted to the axle, the axle being mounted to the movable portion 320. The axle vertical movement portion 320 is installed. The wheel body of the guide wheel 121 forms a groove structure such that the middle portion of the working surface of the wheel body is depressed and both sides are protruded, thereby forming a limit for the belt 800 entering the groove structure. It will be appreciated that the wheel body may also comprise two small wheels coaxially journalled on the axle of the guide wheel 121, the two small wheels being spaced apart from each other such that a groove structure is formed between the two small wheels.

The tension sensor 122 is disposed below the guide wheel 121, and the tension sensor 122 is also formed with a groove structure, which is not described herein. The tension sensor 122 may detect the tension of the belt 800 guided by the guide wheel 121 and entering the tensioning mechanism 123, and if the tension is small, increase the tensioning force of the tensioning mechanism 123; if the tension is large, the tension of the tension mechanism 123 is reduced. Therefore, by providing a sensor, the magnitude of the tension mechanism 123 can be controlled.

In a direction perpendicular to the second axis of symmetry 1301, the guide wheel 121, the tension sensor 122 and the tension mechanism 123 are sequentially disposed, so that the overall structure of the guide assembly 120 is more compact and the overall structural strength can be ensured.

In this embodiment, the guide wheel 121, the tension Chu Chuangan, and the tensioning mechanism 123 are sequentially disposed in the extending direction perpendicular to the second axis of symmetry 1301, wherein the extending direction perpendicular to the second axis of symmetry 1301 may be on a vertical plane perpendicular to the second axis of symmetry 1301, and the extending direction perpendicular to the second axis of symmetry 1301 is longer, and the guide wheel 121, the tension sensor 122, and the tensioning mechanism 123 may be disposed on the vertical plane.

In another embodiment, the tension sensor 122 is provided between the guide wheel 121 and the first support wheel 1231 such that the belt 800 bypassing the tension sensor 122 is in a right angle state.

In this embodiment, the tension sensor 122 is disposed at a corner of the belt 800 on the conveying path of the belt 800, and the corner of the belt 800 is at a right angle, so that the tension data detected by the tension sensor 122 is most accurate, which is beneficial for the tensioning mechanism 123 to tension the belt 800.

In another embodiment, the tensioning mechanism 123 includes a first supporting wheel 1231, a second supporting wheel 1232, and a tensioning wheel 1233, the second supporting wheel 1232 and the first supporting wheel 1231 are respectively located on opposite sides of the second symmetry axis 1301; the tensioning wheel 1233 is disposed between the first supporting wheel 1231 and the second supporting wheel 1232, and the linear motion mechanism 1234 is connected to the tensioning wheel 1233, and the linear motion mechanism 1234 is adapted to drive the tensioning wheel 1233 to linearly move to tension the belt 800.

The tensioning mechanism 123 is used to tension the belt 800 bypassing the tension sensor 122 to facilitate guiding of the belt 800 by the guide assembly 120.

The second supporting wheel 1232 is disposed obliquely below the first supporting wheel 1231, and a tensioning wheel 1233 is disposed between the first supporting wheel 1231 and the second supporting wheel 1232. The center line of the tensioning wheel 1233 is located obliquely below the first supporting wheel 1231, and the center line of the second supporting wheel 1232 is located obliquely below the first supporting wheel 1231, so that the belt 800 bypasses the first supporting wheel 1231 and then obliquely goes around the tensioning wheel 1233, and the tensioning wheel 1233 is more convenient for tensioning the belt 800. The belt 800 passes around the tension wheel 1233 and vertically descends and is supported on the second support wheel 1232.

The linear motion mechanism 1234 is the cylinder, and the telescopic link of cylinder is connected with the mounting bracket, and the mounting bracket is the U-shaped, and take-up pulley 1233 is installed in the mounting bracket. When the telescopic rod of the air cylinder is extended or retracted, the telescopic rod can synchronously drive the tensioning wheel 1233 to extend or retract, so that the tensioning degree of the belt 800 can be adjusted.

In another embodiment, the guide wheel 121 is disposed on a first side of the second axis of symmetry 1301, and the guide assembly 120 further includes a first tape guide 124, a pinch and re-feed mechanism 125, a shear mechanism 126, and a second tape guide 127, each disposed on a second side of the second axis of symmetry 1301.

In the present embodiment, a first side of the second axis of symmetry 1301 is provided with a guide wheel 121, a tension sensor 122 and a first support wheel 1231, and a second side of the second axis of symmetry 1301 is provided with a tensioning wheel 1233, a second support wheel 1232, a first tape guide 124, a pinch re-feed mechanism 125, a shear mechanism 126 and a second tape guide 127.

The second supporting wheel 1232 and the tensioning wheel 1233 are disposed at positions such that the belt 800 extends from the outside to the inside and is close to the second symmetry axis 1301, that is, the second supporting wheel 1232 is disposed at a position such that the second supporting wheel 1232 can well support the belt 800 bypassing the tensioning wheel 1233.

In this embodiment, the second belt guide 127, the shearing mechanism 126, the clamping and re-feeding mechanism 125 and the first belt guide 124 are sequentially arranged from bottom to top to be perpendicular to the second symmetry axis 1301, so that the structure of the guide assembly 120 is more compact.

The first belt guide 124 includes a first guide block 1241 having a hole for the belt 800 to pass through and a second guide block 1242 having a hole for the belt 800 to pass through. The first guiding and clamping re-feeding mechanism 125 and the second guiding block 1242 are sequentially arranged from top to bottom. The clamping and re-conveying mechanism 125 comprises a clamping cylinder, a first wheel body and a second wheel body, wherein the second wheel body is connected to the fixing plate through a wheel body shaft, the first wheel body is connected to a telescopic rod of the clamping cylinder, the first wheel body is provided with a groove structure, and the second wheel body is provided with a cylindrical outer surface. The clamping cylinder moves linearly such that the first wheel is adjacent to the second wheel and cooperates with the second wheel to clamp belt 800.

The second belt guide 127 has an arcuate block-like structure, the second belt guide 127 having an aperture through which the belt 800 passes, the belt 800 passing through the second belt guide 127 into a compaction wheel for compaction.

In another embodiment, the laying head assembly 10 further includes a cooling mechanism 200, the cooling mechanism 200 being disposed on a first side of the second axis of symmetry 1301.

The cooling mechanism 200 cools the sheared belt 800. The cooling mechanism 200 is disposed on a first side of the second axis of symmetry 1301, the first side being opposite the second side, such that the overall structure is compact.

In another embodiment, as shown in FIG. 2, cooling mechanism 200 includes a cooler 210 and a flexible conduit 220, one end of flexible conduit 220 being connected to cooler 210 and the other end of flexible conduit 220 extending to compaction assembly 130.

In this embodiment, the cooling structure is provided on the movable portion 320. The cooler 210 may cool the air flow entering the hose, and the cooled air flow flows to the outlet of the hose 220 through the hose 220, thereby cooling the belt 800. By providing the flexible conduit 220, the flexible conduit 220 is made more flexible than a rigid conduit.

In another embodiment, the laying head device 10 further comprises a floating mechanism 300, the floating mechanism 300 comprising a fixed part 310 and a movable part 320, the movable part 320 being connected to the actuator 100, the fixed part 310 being provided with a distance measuring device 400, the distance measuring device 400 being adapted to detect the position of the actuator 100.

In this embodiment, two linear guide rails are disposed in parallel on the yarn box, a sliding block is mounted on the movable portion 320 of the floating mechanism 300, the floating mechanism 300 is matched with the linear guide rails through the sliding block, and the fixed portion 310 of the floating mechanism 300 is fixedly connected with the moving mechanism, so that the moving mechanism drives the yarn laying head to move. The motion mechanism is a multi-axis motion mechanism, at least 4 axes are laid for meeting the complex curvature, and if the plane is laid, the motion mechanism can be a three-axis motion mechanism.

One end of the pressing cylinder is connected with the fixed part 310, the other end of the pressing cylinder is connected with the movable part 320, and the pressing cylinder can drive the floating mechanism 300 to slide on the linear guide rail.

The spinneret device 10 further comprises a distance measuring device 400, wherein the distance measuring device 400 is a laser distance measuring mechanism, the distance measuring device 400 is arranged on one side of the fixed part 310 of the floating mechanism 300, and the distance measuring device 400 mainly comprises a laser sensor, a connecting piece and a reflecting plate. The distance between the laser sensor and the reflecting plate is monitored by the laser sensor, so that the position of the actuator 100 can be determined.

The distance measuring device 400 monitors the relative displacement between the end of the actuator 100 and the fixed portion 310 of the floating mechanism 300 in real time, and can provide a space adjustment basis for the movement mechanism.

As shown in fig. 4, the spinneret device 10 further includes a heating device 500, and the heating device 500 is mounted on the fixing portion 310 of the actuator 100.

The heating device 500 is composed of a brushless high-temperature air blower and a wind guide 501, and the wind guide 501 blows hot air toward the belt 800 passing through the second belt guide 127.

The heat source in the heating device 500 is not limited to the hot air blower, and may be replaced by a heat source such as laser heating, infrared heating, a xenon lamp, or a variable spot laser.

As shown in fig. 3, the spinneret device 10 further includes a temperature detection mechanism 700 mounted on the actuator 100, and the temperature detection mechanism mainly includes a temperature sensor and a connector.

In the present embodiment, the floating mechanism 300 is connected to the feeding mechanism 600, the actuator 100, and the distance measuring device 400.

The feeding mechanism 600 is installed on one side of the actuating mechanism 100, and the feeding mechanism 600 mainly comprises a material tray clamping piece, a feeding installation plate, a material shaft coupler, a hysteresis damping installation frame, a reluctance damping, a material shaft bearing seat and a conduction band auxiliary piece.

In another embodiment, the belt 800 is a single narrow strip, the belt 800 having a strip width in the range of 3.175 millimeters to 10 millimeters; or belt 800 is a thermoplastic composite narrow or ultra high molecular weight polyethylene composite belt.

According to an embodiment of the present application, a wire laying apparatus is provided, comprising any one of the wire laying head devices 10.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the application.

Claims

1. A laying head device having a first symmetry axis, characterized in that the laying head device (10) comprises an actuator (100), the actuator (100) is adapted to convey a belt (800), the actuator (100) comprises a guiding assembly (120) and a compacting assembly (130), the compacting assembly (130) has a second symmetry axis (1301), the second symmetry axis (1301) is coaxially arranged with the first symmetry axis, and the compacting assembly (130) is arranged from a direction away from the second symmetry axis (1301) to a direction close to the second symmetry axis (1301) and further away from the second symmetry axis (1301) and then further close to the second symmetry axis (1301).

2. The laying head device according to claim 1, characterized in that the guide assembly (120) further comprises a guide wheel (121), a tension sensor (122) and a tensioning mechanism (123), the guide wheel (121), the tension sensor (122) and the tensioning mechanism (123) being arranged in sequence in an extension direction perpendicular to the second symmetry axis (1301).

3. The laying head device according to claim 2, characterized in that the tensioning mechanism (123) comprises:

A first support wheel (1231);

a second supporting wheel (1232) and the first supporting wheel (1231) are respectively positioned at two opposite sides of the second symmetry axis (1301);

A tensioning wheel (1233) provided between the first support wheel (1231) and the second support wheel (1232);

and the linear motion mechanism (1234) is connected with the tensioning wheel (1233), and the linear motion mechanism (1234) is suitable for driving the tensioning wheel (1233) to linearly move so as to tension the belt (800).

4. A laying head device according to claim 3, characterized in that the tension sensor (122) is arranged between the guide wheel (121) and the first support wheel (1231) such that the belt (800) bypassing the tension sensor (122) is in a right angle state.

5. The spinneret device according to any one of claims 2 to 4, characterized in that the guide wheel (121) is provided on a first side of the second symmetry axis (1301), the guide assembly (120) further comprising a first belt guide (124), a clamping resending mechanism (125), a shearing mechanism (126) and a second belt guide (127) each provided on a second side of the second symmetry axis (1301).

6. The laying head device according to claim 5, characterized in that the laying head device (10) further comprises a cooling mechanism (200), the cooling mechanism (200) being provided at a first side of the second symmetry axis (1301).

7. The laying head device according to claim 6, characterized in that the cooling mechanism (200) comprises:

A cooler (210);

A flexible conduit (220) having one end connected to the cooler (210), the other end of the flexible conduit (220) extending to the compacting assembly (130).

8. A spinneret device according to any one of claims 1 to 4, characterised in that the spinneret device (10) further comprises a floating mechanism (300), the floating mechanism (300) comprising a fixed part (310) and a movable part (320), the movable part (320) being connected to the actuator (100), the fixed part (310) being provided with a distance measuring device (400), the distance measuring device (400) being adapted to detect the position of the actuator (100).

9. The spinneret device according to any one of claims 1 to 4, characterized in that the belt (800) is a single bundle of narrow strips, the belt (800) having a strip width ranging between 3.175 and 10 millimeters; or the belt (800) is a thermoplastic composite narrow belt or an ultra high molecular weight polyethylene composite belt.

10. A wire laying apparatus, characterized by comprising a wire laying head device (10) according to any one of claims 1 to 9.