CN-121990368-A - Large-size carbon fiber prepreg sheet adsorption and transportation tool and application method

CN121990368ACN 121990368 ACN121990368 ACN 121990368ACN-121990368-A

Abstract

The invention discloses a large-size carbon fiber prepreg sheet adsorption and transportation tool and a use method thereof, wherein the tool comprises a truss, and a plurality of groups of independent vacuum chuck devices are distributed on the truss at intervals along the length direction; the device comprises a truss, wherein a transferring trolley is arranged at two ends of the truss, a tool for adsorbing a material sheet is driven to move by the transferring trolley, a lifting device is arranged between the truss and the transferring trolley, the truss moves up and down relative to the transferring trolley under the action of the lifting device, and a plurality of groups of visual positioning assemblies are arranged on the truss at intervals along the length direction and used for adjusting the adsorption position between the tool and the material sheet. The tool can replace manual conveying of the material sheets, has the advantages of definite division of each component, cooperative and efficient operation, independent control of the vacuum chuck device, guide rod guiding of the lifting device, real-time feedback of visual positioning and the like, ensures stable operation of the tool, firm adsorption and accurate transportation, can stably adapt to prepreg transportation procedures in large-scale carbon fiber piece production for a long time, has strong practicability, greatly reduces the deformation of the material sheets and improves the production efficiency.

Inventors

JI WEI
ZHANG LEI
HUA WENLONG
GUO YUAN
TIAN YUAN
PAN XUYING
WANG BENSEN
HUANG GANGLING
YUAN WEIQIANG
HOU MIN

Assignees

航天海鹰(镇江)特种材料有限公司

Dates

Publication Date: 20260508
Application Date: 20260312

Claims (10)

1. The large-size carbon fiber prepreg sheet adsorption and transportation tool is characterized by comprising a truss (1), wherein a plurality of groups of independent vacuum chuck devices (2) are arranged on the truss (1) at intervals along the length direction, and different positions of the large-size carbon fiber prepreg sheet are independently adsorbed through the plurality of groups of the vacuum chuck devices (2); Two ends of the truss (1) are provided with transfer trolleys (3), and the transfer trolleys (3) drive a tool for adsorbing large-size carbon fiber prepreg sheets to move; A lifting device (4) is arranged between the truss (1) and the transfer trolley (3), and the truss (1) moves up and down relative to the transfer trolley (3) under the action of the lifting device (4); a plurality of groups of visual positioning assemblies (5) are arranged on the truss (1) at intervals along the length direction and used for adjusting the adsorption position between the tooling and the large-size carbon fiber prepreg sheet.
2. The large-size carbon fiber prepreg sheet adsorption and transportation tool according to claim 1, wherein the vacuum chuck device (2) comprises a fixed support (201), a chuck mounting plate (202) and a chuck lifting cylinder (203), the chuck lifting cylinder (203) is mounted on the fixed support (201), and a piston rod penetrates through the fixed support (201) to be connected with the chuck mounting plate (202); a plurality of groups of Bernoulli chucks (204) are arranged on the chuck mounting plate (202), and the Bernoulli chucks (204) are contacted with the surface of the material sheet so as to adsorb the large-size carbon fiber prepreg material sheet.
3. The large-size carbon fiber prepreg sheet adsorption transfer tool according to claim 2, wherein a plurality of groups of Bernoulli chucks (204) are distributed on the surface of the chuck mounting plate (202) in a staggered manner along the transverse direction and the longitudinal direction, and each group of Bernoulli chucks (204) is connected with external air source equipment.
4. The large-size carbon fiber prepreg sheet adsorption and transport tool according to claim 2, wherein a sponge layer and a butyronitrile latex layer are sequentially arranged on the contact surface of each group of bernoulli suckers (204) and the sheet.
5. The large-size carbon fiber prepreg sheet adsorption and transportation tool according to claim 1, wherein the transportation trolley (3) comprises a frame (301) and two groups of wheels (302), the two groups of wheels (302) are respectively arranged at two ends of the frame (301), and the large-size carbon fiber prepreg sheet adsorption and transportation tool is driven to move under the action of the transportation trolley (3).
6. The large-size carbon fiber prepreg sheet adsorption transfer tool as recited in claim 5, wherein the wheels (302) are Mecanum wheels.
7. The large-size carbon fiber prepreg adsorption and transportation tool according to claim 5, wherein the lifting device (4) comprises a lifting fixing plate (401) and a lifting electric cylinder (402), the lifting fixing plate (401) is fixedly connected with the truss (1), a telescopic rod of the lifting electric cylinder (402) penetrates through the lifting fixing plate (401) to be connected with the frame (301), and the truss (1) is driven to move up and down relative to the transportation trolley (3) under the action of the lifting electric cylinder (402).
8. The large-size carbon fiber prepreg adsorption and transportation tool according to claim 7, wherein guide rods (403) are further arranged on two sides of the lifting fixing plate (401), and the ends of the guide rods (403) are fixedly connected with the frame (301), so that the lifting fixing plate (401) drives the truss (1) to move up and down along the guide rods (403).
9. The large-size carbon fiber prepreg sheet adsorption and transportation tool according to claim 1, wherein the visual positioning assembly (5) comprises a visual support and a plurality of industrial cameras mounted on the visual support, the industrial cameras are mounted on the truss (1) through the visual support and are used for capturing edge images of the sheets, identifying and extracting edge features by using an image processing technology, and calculating relative position deviation among edges by using a feature matching algorithm.
10. The application method of the large-size carbon fiber prepreg sheet adsorption and transportation tool is characterized by comprising the following steps of: step A, placing an adsorption transport tool on a prepreg platform; step A1, after a carbon fiber prepreg sheet is laid on a prepreg platform, firstly hanging an adsorption and transportation tool above the carbon fiber prepreg sheet by a crane; a2, then, the adsorption transfer tool is dropped to a prepreg platform, meanwhile, an edge image of a material sheet is captured through an industrial camera, edge characteristics are identified and extracted through an image processing technology, a characteristic matching algorithm is utilized to calculate the relative position deviation between the tool and the edge of the material sheet, and the collected relative position deviation signals are transmitted to wheels (302) of the transfer trolley 3, so that the tool is aligned with the head and tail edges of the material sheet; A3, controlling the whole truss (1) and the vacuum chuck device (2) to fall to a position 30mm above the material sheet by using the lifting electric cylinder (402) to finish positioning of the tooling and the prepreg material sheet; step B, adsorbing the material sheet by a vacuum chuck device; The method comprises the steps of B1, when a sucker lifting cylinder (203) controls a Bernoulli sucker (204) to gradually descend to the surface of a tablet, the Bernoulli sucker (204) reduces the pressure between the Bernoulli sucker and the tablet, the tablet is adsorbed on the Bernoulli sucker (204), the suction force of the Bernoulli sucker (204) is controlled by controlling air flow through an electromagnetic valve, after the tablet is sucked by the Bernoulli sucker (204), the position of the Bernoulli sucker (204) is locked by the sucker lifting cylinder (203), and the lifting cylinder (402) drives the integral truss (1) and a vacuum sucker device (2) to ascend to finish adsorption; B2, the sucker lifting cylinders (203) in the plurality of groups of vacuum sucker devices (2) are independently controlled, and the heights of the plurality of groups of Bernoulli suckers (204) can be adjusted to be attached to the undulating surface of the material sheet; C, transferring the material sheet to a fixed thermal diaphragm tool; Step C1, when a prepreg sheet is sucked by a Bernoulli sucker (204), the sheet is required to be driven to be transferred to a fixed thermal diaphragm tool by an adsorption and transfer tool, and the whole adsorption and transfer tool is moved by a sling to fall down so that wheels (302) are contacted with the ground; And step C2, the thermal diaphragm fixing tool is provided with a positioning block and a material sheet to realize the matched positioning, the edge distance is fed back to the wheel (302) in real time through the detection of the visual positioning component (5), then the wheel (302) moves, the positions of the material sheet and the thermal diaphragm fixing tool are adjusted, and the accurate placement of the material sheet and the tool is completed.

Description

Large-size carbon fiber prepreg sheet adsorption and transportation tool and application method Technical Field The invention belongs to the technical field of carbon fiber prepreg transferring tools, and particularly relates to a large-size carbon fiber prepreg sheet adsorption transferring tool and a using method thereof. Background The composite material has the advantages of higher strength, corrosion resistance, fatigue resistance, strong designability and the like, and is widely applied to the field of aerospace. The prepreg is a prepreg-like material prepared by impregnating reinforcing fibers with resin in advance and then carrying out certain treatment. The resin is usually in a semi-cured state, facilitating subsequent molding. In the production of large-scale carbon fiber pieces, the transfer of prepreg sheets is a key process, but at present, manual freehand transportation is mainly relied on. And the fiber is prevented from breaking or damaging the resin layer by taking and putting the fiber slightly. The prepreg has large size and area, is soft and easy to deform in an uncured state, is extremely easy to bend and fold due to uneven stress in the manual carrying process, seriously affects the quality of a finished product, and has low manual transfer efficiency and high operation risk, so that the production requirements of high precision and high quality are difficult to meet. To solve this problem, it is necessary to develop a web adsorption tool to realize automated, traceless transfer of prepreg sheets. Disclosure of Invention The invention aims to provide a large-size carbon fiber prepreg sheet adsorption and transportation tool and a using method thereof, so as to realize automatic and traceless transportation of the prepreg sheet. In order to solve the technical problems, the invention provides a large-size carbon fiber prepreg sheet adsorption and transportation tool, which comprises a truss, wherein a plurality of groups of independent vacuum chuck devices are arranged on the truss at intervals along the length direction; Two ends of the truss are provided with transfer trolleys, and the transfer trolleys drive a tooling for adsorbing the large-size carbon fiber prepreg sheet to move; a lifting device is arranged between the truss and the transfer trolley, and the truss moves up and down relative to the transfer trolley under the action of the lifting device; and a plurality of groups of visual positioning assemblies are arranged on the truss at intervals along the length direction and used for adjusting the adsorption position between the tooling and the large-size carbon fiber prepreg sheet. Preferably, the vacuum chuck device comprises a fixed bracket, a chuck mounting plate and a chuck lifting cylinder, wherein the chuck lifting cylinder is arranged on the fixed bracket, and a piston rod penetrates through the fixed bracket to be connected with the chuck mounting plate; And a plurality of groups of Bernoulli chucks are arranged on the chuck mounting plate and are contacted with the surface of the material sheet, so that the large-size carbon fiber prepreg material sheet is adsorbed. Preferably, a plurality of groups of the Bernoulli chucks are distributed on the surface of the chuck mounting plate in a staggered manner along the transverse direction and the longitudinal direction, and each group of the Bernoulli chucks is connected with external air source equipment. Preferably, the contact surface of each group of Bernoulli suckers and the material sheet is sequentially provided with a sponge layer and a butyronitrile emulsion layer. Preferably, the transfer trolley comprises a frame and two groups of wheels, wherein the two groups of wheels are respectively arranged at two ends of the frame, and the tool for adsorbing the large-size carbon fiber prepreg sheet is driven to move under the action of the transfer trolley. Preferably, the wheels are Mecanum wheels. Preferably, the lifting device comprises a lifting fixing plate and a lifting electric cylinder, the lifting fixing plate is fixedly connected with the truss, a telescopic rod of the lifting electric cylinder penetrates through the lifting fixing plate to be connected with the frame, and the truss is driven to move up and down relative to the transfer trolley under the action of the lifting electric cylinder. Preferably, guide rods are further arranged on two sides of the lifting fixing plate, and the end portions of the guide rods are fixedly connected with the frame, so that the lifting fixing plate drives the truss to move up and down along the guide rods. Preferably, the visual positioning assembly comprises a visual support and a plurality of industrial cameras mounted on the visual support, wherein the industrial cameras are mounted on the truss through the visual support and used for capturing edge images of the material sheets, identifying and extracting edge features by using an image processing technology, and cal