阅读说明：本技术 一种碳纤维3d打印铺放机 (Carbon fiber 3D prints laying machine ) 是由 彭敏敏 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种碳纤维3D打印铺放机；包括送料机构,位置补偿机构,碳纤维切断机构,碳纤维加热装置,碳纤维压紧装置,位置补偿机构。通过安装定位法兰,固定多轴机械臂或龙门式3轴、4轴机械装置上进行3D碳纤维打印。机头通过张紧装置保障原材料的送料张力,位置补偿机构控制送料长度及设备速度匹配误差的补偿,送料的同时通过远红外加热机构对碳纤维铺放位置进行定点加热,加热的同时碳纤维经过压紧装置进行压紧粘接,碳纤维铺放到预定位置后,切断机构切断碳纤维,完成铺放剩余尾料后,完成一次铺放流程。通过本发明,能够在生产中自动检测送料长度,自动控制加热温度,此装备效率与质量明显提高,为客户带来更好的效益。(The invention discloses a carbon fiber 3D printing laying machine; the device comprises a feeding mechanism, a position compensation mechanism, a carbon fiber cutting mechanism, a carbon fiber heating device, a carbon fiber pressing device and a position compensation mechanism. And 3D carbon fiber printing is carried out on a fixed multi-axis mechanical arm or a gantry type 3-axis or 4-axis mechanical device by installing a positioning flange. The aircraft nose passes through the pay-off tension of overspeed device tensioner guarantee raw and other materials, and compensation of pay-off length and equipment speed matching error is controlled to position compensation mechanism, and the carbon fiber is spread the position and is carried out the fixed point heating through far-infrared heating mechanism to the carbon fiber when the pay-off, and the carbon fiber compresses tightly the bonding through closing device when the heating, and after the carbon fiber was spread and is put the predetermined position, cutting mechanism cut off the carbon fiber, and after accomplishing to spread remaining tails, accomplish once and spread the flow. The invention can automatically detect the feeding length and automatically control the heating temperature in production, obviously improves the efficiency and quality of the equipment and brings better benefit to customers.)

1. The utility model provides a carbon fiber 3D prints placement machine which characterized in that includes: a fixed substrate (3);

the fixed substrate (3) is hexagonal prism-shaped, the first edge of the first side is fixedly provided with a pressure adjusting device (1), and the side wall of the hexagonal prism is respectively provided with a connecting flange (2), a pneumatic tension control device (4), a carbon fiber feeding disc (5), a pressing and bonding mechanism (8), an infrared heating mechanism (10) and a temperature measurement control system (11) along the anticlockwise direction by taking the pressure adjusting device (1) as a starting point; the pressing and bonding mechanism (8) is connected with a pressing and bonding wheel (9), the infrared heating mechanism (10) is arranged close to the pressing and bonding wheel (9), and the temperature measurement control system (11) is arranged close to the infrared heating mechanism (10); the cutting mechanism (6) and the feeding wheel (7) are arranged on the surface of the first side; the cutting mechanism (6) is connected with a cutting scissors (12), and the feeding wheel (7) is connected with a servo feeding mechanism (13) containing differential compensation; the servo feeding length measuring device (14) and the front feeding wheel (15) are arranged on the first side of the fixed base plate (3), and the edge of the feeding pressing wheel (16) is tangent to the edge of the front feeding wheel (15);

a feeding disc device (20) is arranged at the center of the carbon fiber feeding disc (5), the feeding disc device (20) is connected with a feeding motor (32), and the feeding motor (32) is fixedly arranged on a feeding motor fixing plate (40); an FDM (fused deposition modeling) heating nozzle (29) is arranged on a rotating shaft of the pressing bonding wheel (9), the FDM heating nozzle (29) is connected with an FDM fused wire feeding mechanism (30), the FDM fused wire feeding mechanism (30) is connected with an FDM fused wire height adjusting mechanism (31), and the FDM fused wire height adjusting mechanism (31) is connected with an FDM height adjusting stepping motor (21); a pneumatic electromagnetic valve module (22) is arranged on the second side of the fixed substrate (3), and the pneumatic tension control device (4) is connected with the pneumatic electromagnetic valve module (22); a servo feeding mechanism (13) with differential compensation and a front feeding wheel (15) are arranged on the second side and the first side, and a first feeding servo motor (24) and a second feeding servo motor (25) are arranged at positions corresponding to each other; the second feeding servo motor (25) is connected with a feeding pressing device (26), and the feeding pressing device (26) is connected with a feeding pressing wheel (16) arranged on the first side; the infrared heating mechanism (10) comprises an infrared heating device (28) for infrared heating and an infrared temperature measuring device (27);

the pneumatic tension control device (4) is connected with the pneumatic electromagnetic valve module (22) through a pneumatic tension control cylinder (41); the feeding pressing cylinder (23) is connected with a feeding pressing wheel sliding block mechanism (42), and the feeding pressing wheel sliding block mechanism (42) is adjusted through a feeding pressing wheel bearing (43); the feeding pressing wheel bearing (43) is fixedly arranged on the feeding wheel bearing seat (44); the servo feeding length measuring device (14) and the connecting feeding pinch roller length measuring device (45) are oppositely arranged on two sides of the fixed base plate (3); the feeding pinch roller length measuring device (45) is fixedly arranged on the feeding tension roller sliding block device (46).

2. Carbon fiber 3D printing and laying machine according to claim 1, characterized in that the feed tray (5) is controlled by a feed motor (20) in reverse, the carbon fiber feed tension being controlled by a magnetic powder clutch and a current tension controller.

3. The carbon fiber 3D printing and laying machine as claimed in claim 2, wherein the feeding wheels of the servo feeding mechanism (13) with differential compensation and the front feeding wheel (15) have a unidirectional rotation function to compensate the speed difference between the feeding mechanism and the printing host machine and automatically match the feeding speed; the servo feeding length measuring device (14) is used for measuring the actual conveying length of the carbon fibers and is matched with the front feeding wheel (15) to automatically adjust the feeding tension.

4. The carbon fiber 3D printing placement machine according to claim 1, characterized in that: after carbon fibers fed out by the servo feeding mechanism (13) with differential compensation and the front feeding wheel (15) pass through the guide mechanism, the carbon fibers are automatically subjected to constant temperature control by the infrared heating mechanism (10) and the temperature measurement control system (11), prepreg in the carbon fibers is subjected to heating forming temperature, and the carbon fibers are pressed and bonded and formed by the pressing bonding mechanism (8) and the pressing bonding wheel (9).

5. The carbon fiber 3D printing placement machine according to claim 4, characterized in that: and the cutting mechanism (6) automatically cuts off the carbon fibers when the carbon fibers are compressed, bonded and molded to a preset position, and all preset tailings are compressed and bonded.

6. The carbon fiber 3D printing placement machine according to claim 1, characterized in that: the back side of the carbon fiber forming is additionally provided with an FDM forming mechanism, wherein the fused wire feeding mechanism (30), the FDM fused wire height adjusting mechanism (31), the height adjusting stepping motor (21) and the feeding motor (32) are used for completing the 3D forming of FDM, and the function conversion is completed through program switching to achieve the function of one machine with multiple purposes.

Technical Field

The invention relates to the technical field of 3D printing, in particular to a carbon fiber 3D printing laying machine.

Background

Most commonly used in carbon fiber 3D printing today is a Fused Deposition Modeling (FDM) printer that can lay down material layer by layer using filaments impregnated with carbon fibers (and other types of filaments), other carbon fiber 3D printing techniques include curing of photosensitive resin coated carbon fibers, and laser fusing of thermoplastic base materials with carbon fibers bound together. The printer has low speed, the product quality can not be ensured, and the efficiency and the quality can not meet the requirements of customers. With the higher and higher requirements of customers, carbon fiber 3D printers appear on the market and are not ideal in use.

Disclosure of Invention

The invention aims to solve the problems that the existing carbon fiber 3D printer is low in automation degree, low in production efficiency, difficult to control the quality of finished products and low in yield.

In order to achieve the above object, the present invention provides a carbon fiber D printing and laying machine, including a fixed substrate; the fixed substrate is in a hexagonal prism shape, a pressure adjusting device is fixedly arranged on the first edge of the first side, and a connecting flange, a pneumatic tension control device, a carbon fiber feeding disc, a pressing and bonding mechanism, an infrared heating mechanism and a temperature measurement control system are respectively arranged on the side wall of the hexagonal prism along the anticlockwise direction by taking the pressure adjusting device as a starting point; the pressing and bonding mechanism is connected with a pressing and bonding wheel, the infrared heating mechanism is arranged close to the pressing and bonding wheel, and the temperature measurement control system is arranged close to the infrared heating mechanism; the cutting mechanism and the feeding wheel are arranged on the surface of the first side; the cutting mechanism is connected with the cutting scissors, and the feeding wheel is connected with a servo feeding mechanism containing differential compensation; the servo feeding length measuring device and the front feeding wheel are both arranged on the first side of the fixed substrate, and the edge of the feeding pressing wheel is tangent to the edge of the front feeding wheel;

the center of the carbon fiber feeding plate is provided with a feeding plate device, the feeding plate device is connected with a feeding motor, and the feeding motor is fixedly arranged on a feeding motor fixing plate; an FDM melting wire heating nozzle is arranged on a rotating shaft of the pressing bonding wheel and connected with an FDM melting wire feeding mechanism, the FDM melting wire feeding mechanism is connected with an FDM melting wire height adjusting mechanism, and the FDM melting wire height adjusting mechanism is connected with an FDM height adjusting stepping motor; a pneumatic electromagnetic valve module is arranged on the second side of the fixed substrate, and the pneumatic tension control device is connected with the pneumatic electromagnetic valve module; a servo feeding mechanism with differential compensation is arranged on the second side and the first side, and a first feeding servo motor and a second feeding servo motor are arranged corresponding to the positions of the front feeding wheel; the second feeding servo motor is connected with the feeding pressing device, and the feeding pressing device is connected with a feeding pressing wheel arranged on the first side; the infrared heating mechanism comprises an infrared heating device for infrared heating and an infrared temperature measuring device;

the pneumatic tension control device is connected with the pneumatic electromagnetic valve module through a pneumatic tension control cylinder; the feeding pressing cylinder is connected with a feeding pressing wheel sliding block mechanism, and the feeding pressing wheel sliding block mechanism is adjusted through a feeding pressing wheel bearing; the feeding compaction wheel bearing is fixedly arranged on the feeding wheel bearing seat; the servo feeding length measuring device and the connecting feeding pinch roller length measuring device are oppositely arranged on two sides of the fixed substrate; the feeding pinch roller length measuring device is fixedly arranged on the feeding tension roller sliding block device.

Wherein, the feed table is controlled by the feeding motor reversal, controls carbon fiber feeding tension degree through magnetic powder clutch and current tension controller.

The feeding wheels of the servo feeding mechanism and the front feeding wheel with differential compensation have a one-way rotation function, so that the speed difference between the feeding mechanism and the printing host is compensated, and the feeding speed is automatically matched; the servo feeding length measuring device is used for measuring the actual conveying length of the carbon fibers and is matched with the front feeding wheel to automatically adjust the feeding tension.

After carbon fibers fed by a servo feeding mechanism containing differential compensation and a front feeding wheel pass through a guide mechanism, an infrared heating mechanism and a temperature measurement control system automatically perform constant temperature control, prepreg in the carbon fibers is heated to a forming temperature, and a pressing and bonding mechanism and a pressing and bonding wheel are used for pressing and bonding the carbon fibers for forming.

The cutting mechanism automatically cuts off the carbon fibers when the carbon fibers are compressed, bonded and molded to a preset position, and all preset tailings are compressed and bonded.

The back side of the carbon fiber forming is additionally provided with an FDM forming mechanism, wherein the fused wire feeding mechanism, the FDM fused wire height adjusting mechanism, the height adjusting stepping motor and the feeding motor are used for completing the D forming of the FDM, and the function conversion is completed through program switching to achieve the function of one machine with multiple purposes.

Compared with the prior art, the carbon fiber 3D printing and laying machine provided by the invention comprises a feeding mechanism, a position compensation mechanism, a carbon fiber cutting mechanism, a carbon fiber heating device, a carbon fiber pressing device and a position compensation mechanism. Through installation positioning flange, can fix and carry out 3D carbon fiber printing on multiaxis arm or 3 axle of planer-type, 4 axle mechanical devices. The machine head feeds materials through the feeding mechanism, wherein the tensioning device guarantees feeding tension of raw materials, the position compensation mechanism controls feeding length and compensation of equipment speed matching errors, the carbon fiber laying position is heated in a fixed point mode through the far infrared heating mechanism during feeding, carbon fibers are compressed and bonded through the compressing device during heating, the cutting mechanism cuts off the carbon fibers after the carbon fibers are laid to the preset position, and after laying of residual tailings is completed, one-time laying process is completed. The invention uses servo automatic feeding to automatically control the tension through a magnetic powder clutch, automatically measures the length, automatically heats and compresses for bonding, controls the bonding strength through a constant pressure telescopic mechanism, and compensates the position error. The feeding length is automatically detected in production, the heating temperature is automatically controlled, the equipment efficiency and quality are obviously improved, and better benefits are brought.

Drawings

Fig. 1 is a schematic view of a first side structure of a carbon fiber 3D printing and laying machine provided by the present invention.

Fig. 2 is a schematic diagram of a second side structure of a carbon fiber 3D printing and laying machine provided by the invention.

Fig. 3 is a schematic view of an internal decomposition structure of a carbon fiber 3D printing and laying machine provided by the present invention.

Detailed Description

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 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

As shown in fig. 1-3; the invention provides a carbon fiber 3D printing laying machine, which comprises a fixed substrate 3; the fixed substrate 3 is in a hexagonal prism shape, a pressure adjusting device 1 is fixedly arranged on a first edge of a first side, and a connecting flange 2, a pneumatic tension control device 4, a carbon fiber feeding disc 5, a pressing and bonding mechanism 8, an infrared heating mechanism 10 and a temperature measurement control system 11 are respectively arranged on the side wall of the hexagonal prism along the anticlockwise direction by taking the pressure adjusting device 1 as a starting point; the pressing and bonding mechanism 8 is connected with a pressing and bonding wheel 9, the infrared heating mechanism 10 is arranged close to the pressing and bonding wheel 9, and the temperature measurement control system 11 is arranged close to the infrared heating mechanism 10; the cutting mechanism 6 and the feeding wheel 7 are arranged on the surface of the first side; the cutting mechanism 6 is connected with a cutting scissors 12, and the feeding wheel 7 is connected with a servo feeding mechanism 13 containing differential compensation; the servo feeding length measuring device 14 and the front feeding wheel 15 are both arranged on the first side of the fixed substrate 3, and the edge of the feeding pressing wheel 16 is tangent to the edge of the front feeding wheel 15;

the center of the carbon fiber feeding plate 5 is provided with a feeding plate device 20, the feeding plate device 20 is connected with a feeding motor 32, and the feeding motor 32 is fixedly arranged on a feeding motor fixing plate 40; an FDM melting wire heating nozzle 29 is arranged on a rotating shaft of the pressing bonding wheel 9, the FDM melting wire heating nozzle 29 is connected with an FDM melting wire feeding mechanism 30, the FDM melting wire feeding mechanism 30 is connected with an FDM melting wire height adjusting mechanism 31, and the FDM melting wire height adjusting mechanism 31 is connected with an FDM height adjusting stepping motor 21; a pneumatic electromagnetic valve module 22 is arranged on the second side of the fixed substrate 3, and the pneumatic tension control device 4 is connected with the pneumatic electromagnetic valve module 22; a first feeding servo motor 24 and a second feeding servo motor 25 are correspondingly arranged at the positions of the servo feeding mechanism 13 with differential compensation and the front feeding wheel 15 arranged at the second side and the first side; the second feeding servo motor 25 is connected with a feeding pressing device 26, and the feeding pressing device 26 is connected with a feeding pressing wheel 16 arranged on the first side; the infrared heating mechanism 10 comprises an infrared heating device 28 and an infrared temperature measuring device 27 which are used for infrared heating;

the pneumatic tension control device 4 is connected with the pneumatic electromagnetic valve module 22 through a pneumatic tension control cylinder 41; the feeding pressing cylinder 23 is connected with a feeding pressing wheel sliding block mechanism 42, and the feeding pressing wheel sliding block mechanism 42 is adjusted through a feeding pressing wheel bearing 43; the feeding pressing wheel bearing 43 is fixedly arranged on the feeding wheel bearing seat 44; the servo feeding length measuring device 14 and the connecting feeding pinch roller length measuring device 45 are oppositely arranged at two sides of the fixed substrate 3; the feeding pinch roller length measuring device 45 is fixedly arranged on the feeding tension roller sliding block device 46.

Wherein, the feeding plate 5 is reversely controlled by a feeding motor 20, and the carbon fiber feeding tension degree is controlled by a magnetic powder clutch and a current tension controller.

The feeding wheels of the servo feeding mechanism 13 and the front feeding wheel 15 with differential compensation have a one-way rotation function, so that the speed difference between the feeding mechanism and the printing host is compensated, and the feeding speed is automatically matched; the servo feeding length measuring device 14 is used for measuring the actual feeding length of the carbon fiber and is matched with the front feeding wheel 15 to automatically adjust the feeding tension.

After carbon fibers fed by a servo feeding mechanism 13 containing differential compensation and a front feeding wheel 15 pass through a guide mechanism, an infrared heating mechanism 10 and a temperature measurement control system 11 automatically perform constant temperature control, the prepreg in the carbon fibers is heated to a forming temperature, and the carbon fibers are pressed and bonded by a pressing bonding mechanism 8 and a pressing bonding wheel 9.

The cutting mechanism 6 automatically cuts off the carbon fibers when the carbon fibers are pressed, bonded and molded to a preset position, and all preset tailings are pressed and bonded.

The back side of the carbon fiber molding is additionally provided with an FDM molding mechanism, wherein the fused wire feeding mechanism 30, the FDM fused wire height adjusting mechanism 31, the height adjusting stepping motor 21 and the feeding motor 32 are used for completing FDM 3D molding, and the function conversion is completed through program switching to achieve the function of one machine with multiple purposes.

Specifically, in the using process, the feeding motor 32 does not operate at first, operates and rotates after penetrating through the material cylinder to compress, the feeding compressing cylinder 23 is loosened, the tensioning cylinder retracts, manual feeding is carried out, feeding is determined to be in place, the feeding compressing cylinder 23 compresses after feeding is completed, post feeding is carried out servo rotation, when the preset position is reached, the tensioning cylinder is loosened, and if the preset position is not reached, the post feeding is carried out servo rotation. Discharging a certain length of material, controlling the action of the cutting scissors 12 through the expansion and contraction of the air cylinder, cutting off the material, conveying the two servos to a set length in a rotating manner, and stopping the servos from rotating; the infrared heating mechanism 10 is used for heating to a set temperature, the robot (or the multi-axis mechanical arm) is requested to work (the wire is confirmed to be stepped at the highest position before the robot is requested to work, otherwise, an alarm is given), the robot or the multi-axis mechanical arm feeds back the prepared work, and two servos rotate for feeding at the same speed as the robot. When the materials are sent to a set length (the scissors act as a signal given by the robot or reach the set length), the cutting scissors 12 are controlled to act through the stretching and contracting of the air cylinder, the materials are cut off, and the robot continues to travel for a certain distance. Two servo rotations are sent to a set length, the servo stops rotating, carbon fiber infrared heating is turned to a set temperature, the operation is circulated, except for the tensioning cylinder, electromagnetic valves of other cylinders are powered off when the cylinders normally work, and if the pressure is not enough, the pressing coil is manually selected to be powered on.

The forming compaction air cylinder descends (retracts), the forming compaction air cylinder moves to a set position step by step, the wire rod is heated in an infrared mode, meanwhile, the wire rod cooling fan works, the wire rod is heated in an infrared mode to a set temperature, the robot is requested to work, the robot feeds back the prepared work, and feeding is rotated step by step. And (5) feeding the materials to a set length, and stopping rotating the feeding step by step. And stepping to the initial position (the position is not stepped, the fiber is manually returned after the whole period is finished, or the fiber is automatically returned or the position is prompted to alarm) is carried out.

The electrical control is carried out by an upper computer and a Programmable Logic Controller (PLC) controlled by a human-computer interface (touch screen), the current information such as the current pressure position can be displayed by the human-computer interface, and is reflected to the human-computer interface in a data mode and can be stored in a U disk or the human-computer interface, and the equipment can store a plurality of groups of data formulas and can be suitable for a plurality of products to directly call the formulas for production. The efficiency and the quality of the equipment are greatly improved, considerable benefits are brought to customers, and the industry competitiveness and the brand popularity of the customers are improved.

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