CN109822938B - Laser hot-pressing laying forming device for thermoplastic composite material plate - Google Patents
Laser hot-pressing laying forming device for thermoplastic composite material plate Download PDFInfo
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- CN109822938B CN109822938B CN201910125658.8A CN201910125658A CN109822938B CN 109822938 B CN109822938 B CN 109822938B CN 201910125658 A CN201910125658 A CN 201910125658A CN 109822938 B CN109822938 B CN 109822938B
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- 239000002131 composite material Substances 0.000 title claims abstract description 54
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 16
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 16
- 238000007731 hot pressing Methods 0.000 title claims abstract description 13
- 238000004093 laser heating Methods 0.000 claims abstract description 28
- 230000006835 compression Effects 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000007711 solidification Methods 0.000 claims abstract 2
- 230000008023 solidification Effects 0.000 claims abstract 2
- 238000006073 displacement reaction Methods 0.000 claims description 62
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 15
- 239000003921 oil Substances 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 241001270131 Agaricus moelleri Species 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 238000001069 Raman spectroscopy Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000007596 consolidation process Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000001237 Raman spectrum Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a laser hot-pressing laying forming device for a thermoplastic composite material plate, which comprises an upper computer (101), a power supply module (102), a control unit (103), a hydraulic unit (104), a temperature acquisition unit (105), a laser heating unit (106), a laying platform (107) and a solidification degree measuring unit (108). The device combines laser auxiliary heating and compression roller roll-in forming process, improves the forming uniformity of the plate by rolling the composite material prepreg tape through a hydraulic roller, ensures the forming quality and the production efficiency of the plate through accurately controlling laser power, realizes the online non-contact measurement of the consolidation degree of the composite material by adopting a Raman spectrum testing method, realizes the multilayer laying and the laying of the composite material prepreg tape and the laying of various movement tracks by adopting automatic laying forming, and does not need operators to watch in the whole process.
Description
Technical Field
The invention relates to a laser hot-pressing laying forming device for a thermoplastic composite material plate, and belongs to the technical field of laser manufacturing equipment.
Background
In the molding and manufacturing of the thermoplastic composite material plate, the traditional wet process manufacturing method adopts the fiber coated with the glue for laying, consolidation and molding, the glue thickness is different due to poor uniformity of the glue in the prepreg of the composite material, the viscosity of the coated glue is low, and the glue overflowing in the laying process needs to be removed by extra special personnel, so that poor laying uniformity is caused, and the cleaning difficulty of the production environment is high; after the laying is finished, the semi-finished product needs to be placed into a special high-temperature curing furnace for constant-temperature baking for more than 24 hours, the energy consumption is high, the production efficiency is low, and the glue content of the cured and formed composite material product is high, so that the lightweight is not facilitated. The quality of the formed member is poor due to the series of problems of uneven heating temperature field, small temperature difference between the paving layers and the like in the auxiliary heating forming mode of a hot air gun, flame, infrared rays and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a laser hot-pressing laying forming device for a thermoplastic composite material plate.
As shown in fig. 1, the laser hot-pressing laying forming device for the thermoplastic composite material plate provided by the invention comprises an upper computer 101, a power module 102, a control unit 103, a hydraulic unit 104, a temperature acquisition unit 105, a laser heating unit 106, a laying platform 107 and a curing degree measurement unit 108; wherein an operator sets parameters such as laying track, heating temperature, curing degree, laying pressure and the like on the upper computer 101 and sends a control instruction to the control unit 103, the power supply module 102 supplies power to the upper computer 101, the control unit 103, the hydraulic unit 104, the temperature acquisition unit 105, the laser heating unit 106, the laying platform 107 and the curing degree measurement unit 108, the control unit 103 controls the hydraulic unit 104, the laser heating unit 106, the laying platform 107 and the curing degree measurement unit 108 according to the control instruction sent by the upper computer 101, controls the hydraulic unit 104 to load and unload pressure, adjusts the power of the laser heating unit 106 and ensures that prepreg at an irradiation position can be stabilized in a set temperature range, controls the power of the laser heating unit 106 in a feedback manner according to the comparison between a temperature value acquired by the temperature acquisition unit 105 and a set value, and controls the movement track of the press roller 218, controlling the moving speed of the nip roller 218 according to the comparison of the curing degree value measured by the curing degree measuring unit 108 with a set value; the upper computer 101 preferably selects an industrial control computer or a touch screen, and is used for setting parameters such as laying track, heating temperature, curing degree and laying pressure by an operator and sending a control instruction to the control unit 103; the power supply module 102 is a composite stabilized voltage power supply module and is used for supplying power to the upper computer 101, the control unit 103, the hydraulic unit 104, the temperature acquisition unit 105, the laser heating unit 106, the laying platform 107 and the curing degree measurement unit 108;
the control unit 103 is preferably a single-chip microcomputer controller or a PLC controller, and controls the hydraulic unit 104, the laser heating unit 106, the laying platform 107 and the curing degree measuring unit 108 according to a control instruction sent by the upper computer 101; the hydraulic unit 104 consists of a hydraulic pump 301, a hydraulic actuator 302, an electromagnetic directional valve 303 and an oil pipe 304; the hydraulic pump 301, the hydraulic actuator 302 and the oil pipe 304 form a closed loop of hydraulic oil, the hydraulic pump 301 works under the power supply of the power module 102, and the electromagnetic directional valve 303 realizes the extension and contraction of the output shaft of the hydraulic actuator 302 under the control instruction of the control unit 103, so that the loading and unloading of the load are realized; the hydraulic pump 301 is a screw pump and is used for providing hydraulic power for the hydraulic unit 104;
as shown in fig. 2, the temperature acquisition unit 105 is an infrared thermometer composed of a collection optical system, an infrared temperature measurement sensor and a processing circuit, and is fixed to the support plate 205 through the bracket 202, and is configured to measure the temperature of the laser heating unit 106 irradiated on the surface of the prepreg made of composite material, and send the acquired temperature information to the control unit 103; the support plate 205 is an L-shaped plate frame and is fixed on the output guide groove 221 through a screw;
the laser heating unit 106 consists of a shaping optical system and a laser, emits a flat-top laser beam with uniform intensity distribution, has the wavelength of preferably 808nm, 880nm, 915nm, 940nm, 976nm, 980nm, 1030nm or 1064nm, is fixed on the supporting plate 205 through a fixing block 201, and is used for irradiating the thermoplastic composite prepreg at the position of the heating press roller 218;
the laying platform 107 consists of a displacement table A208, a displacement table B209, a top frame 210, an electric control rotating table 211, a displacement table C212, an upright column 213, a platform bottom plate 215 and a clamping and guiding unit; the displacement table A208, the displacement table B209 and the displacement table C212 are preferably one-dimensional electric control displacement platforms driven by stepping motors or servo motors, the displacement table A208 and the displacement table B209 are placed in parallel, transmission lead screws in the displacement table A208 and the displacement table B209 have the same screw pitch, the movement of the displacement table A208 and the movement of the displacement table B209 are controlled by the same external signal, the displacement table A208 and the displacement table B209 are respectively fixed on the top frame 210 through screws to realize X-direction one-dimensional movement, two ends of the displacement table C212 are respectively fixed on sliding tables in the displacement table A208 and the displacement table B209 to realize Y-direction one-dimensional movement, and the electric control rotary table 211 and the hydraulic cylinder 220 are driven to realize X-direction and Y-direction two-dimensional plane movement; the top frame 210 is a metal frame in a shape like a Chinese character 'ri', is positioned at the upper ends of the upright posts 213, is respectively fixed with the four upright posts 213 through screws, and is used for fixing the displacement table A208 and the displacement table B209; the electric control rotating platform 211 is preferably a one-dimensional electric control rotating platform driven by a stepping motor or a servo motor, is fixed on a sliding table in the displacement table C212 through screws, and is used for switching the moving direction of the laid composite prepreg, and the adjustable range of the moving direction is 0-360 degrees; the upright column 213 is preferably made of a metal material in a cuboid or cylinder shape, the number of the upright column is four, and the upper end and the lower end of the upright column are fixedly connected with the top frame 210 and the platform bottom plate 215 through external bolts respectively for supporting the top frame 210; the adapter plate 214 is an L-shaped plate made of metal, is used for realizing the connection between the hydraulic cylinder 220 and the electric control rotating platform 211, and is also used as a supporting seat of the fixing frame B206; the platform bottom plate 215 is a metal flat plate with a smooth surface, is fixed with the lower end of the upright column 213, and is used as a base of the laying platform 107 and an object stage for laying composite prepreg; the clamping and guiding unit consists of a fixing frame A203, a guiding wheel A204, a fixing frame B206, a drum shaft 207 and a guiding wheel B219, wherein a composite material prepreg cylinder is hung on the drum shaft 207, and the composite material prepreg is conveyed to the lower part of a pressing roller 218 after passing through the guiding wheel A204 and the guiding wheel B219 in sequence from the composite material prepreg cylinder; the guide wheel A204 and the guide wheel B219 are both limit belt wheels, are respectively hung on the fixing frame A203 and the compression roller frame 216 through bolts and are used for guiding the conveying direction of the composite prepreg; the fixing frame A203 is fixed on the guide groove 221 through an external screw and used for clamping the guide wheel A204; the fixing frame B206 is fixed on the adapter plate 214 and used for clamping the cylinder shaft 207;
the curing degree measuring unit 108 is a Raman spectrometer, is fixed on the supporting rod 225 through a screw and is used for measuring the curing degree of the composite material;
as shown in fig. 3, the hydraulic actuator 302 is composed of a roller frame 216, a roller shaft 217, a roller 218, a hydraulic cylinder 220, a guide groove 221, an adapter block a 222, a heat insulation plate 223, an adapter block B224 and a support rod 225; the compression roller frame 216 is a high-temperature-resistant 316L stainless steel L-shaped frame, is fixed on the adapter block B224 through screws, and is used for clamping the compression roller shaft 217 and the compression roller 218 and ensuring that the compression roller 218 rotates around the central shaft of the compression roller 218; the press roll shaft 217 is a hollow pipe made of high-temperature-resistant 316L stainless steel, and internal threads at two ends of the press roll shaft are used for fixing a water nozzle externally connected with water and are also used for installing and supporting the press roll 218; the press roller 218 is a high-temperature-resistant 316L stainless steel bearing roller, is connected with the press roller frame 216 through a press roller shaft 217 and is used for rolling the composite prepreg; the hydraulic cylinder 220 is a piston type cylinder and is fixed on the adapter plate 214 together with the guide groove 221 through an external bolt, and pressure and tension loads output by the hydraulic cylinder are transmitted to the press roll 218 through the adapter block A222, the heat insulation plate 223, the adapter block B224, the press roll frame 216 and the press roll shaft 217 in sequence, so that the application and removal of the loads are realized; the guide groove 221 is a U-shaped square groove, and the stretching and compressing motion guide of the output shaft of the hydraulic cylinder 220 is realized by the contact with the switching block a 222 and the switching block B224; the switching block A222 is a wear-resistant metal switching block and is connected with an output shaft of the hydraulic cylinder 220 through a screw; the heat insulation plate 223 is a cuboid made of silicate materials and is used for realizing heat insulation between the switching block A222 and the switching block B224 and ensuring that a gap exists between the switching block A222 and the switching block B224; the switching block B224 is a metal block made of high-temperature resistant materials, and the switching block A222, the switching block B224 and the heat insulation plate 223 are fixed through external screws and used for fixing the compression roller frame 216; the support rod 225 is a metal rod made of aluminum alloy, one side of the support rod is fixed on the roller frame 216 through a screw, and the other side of the support rod is used for fixing the curing degree measuring unit 108.
The working process of the laser hot-pressing laying forming device for the thermoplastic composite material plate is realized according to the following steps:
a first step of mounting a composite prepreg cartridge on a drum shaft 207 and passing the composite prepreg through a guide wheel 204 and then to a press roller 218;
secondly, turning on a power supply, turning on the upper computer 101 and an operation interface, setting working parameters, and placing one end of the composite material prepreg under a compression roller 218;
thirdly, starting a laying switch;
fourthly, completing sample laying;
step five, closing the upper computer 101;
and sixthly, turning off the power supply.
Has the advantages that: the laser hot-pressing laying forming device for the thermoplastic composite material plate can realize multilayer laying and multi-motion-track laying of the prepreg of the composite material, ensure the forming quality of the plate by accurately controlling the laser power, improve the laying uniformity and reduce the glue content of the plate by adopting hydraulic laying forming, realize online non-contact measurement of the consolidation degree of the composite material by adopting a Raman spectrum testing method, and avoid the need of operators in the whole process by adopting automatic laying forming.
Drawings
FIG. 1 is a block diagram of a laser hot-pressing laying forming device for thermoplastic composite material plates.
Fig. 2 is a three-dimensional mechanical view of the placement platform.
Fig. 3 is a mechanical diagram of the hydraulic unit.
In the figure: 101-an upper computer, 102-a power supply module, 103-a control unit, 104-a hydraulic unit, 105-a temperature acquisition unit, 106-a laser heating unit, 107-a laying platform, 108-a curing degree measurement unit, 201-a fixed block, 202-a support, 203-a fixed frame A, 204-a guide wheel A, 205-a support plate, 206-a fixed frame B, 207-a barrel shaft, 208-a displacement table A, 209-a displacement table B, 210-a top frame, 211-an electric control rotating table, 212-a displacement table C, 213-an upright post, 214-an adapter plate, 215-a platform bottom plate, 216-a press roller frame, 217-a press roller shaft, 218-a press roller, 219-a guide wheel B, 220-a hydraulic cylinder, 221-a guide groove and 222-an adapter block A, 223-a heat insulation plate, 224-a switching block B, 225-a support rod, 301-a hydraulic pump, 302-a hydraulic actuator, 303-an electromagnetic reversing valve and 304-an oil pipe.
Detailed Description
Embodiment 1 a thermoplastic composite panel laser hot pressing is spread and is moulded device.
As shown in fig. 1, the laser hot-pressing laying forming device for the thermoplastic composite material plate provided by the invention comprises an upper computer 101, a power module 102, a control unit 103, a hydraulic unit 104, a temperature acquisition unit 105, a laser heating unit 106, a laying platform 107 and a curing degree measurement unit 108; wherein an operator sets parameters such as laying track, heating temperature, curing degree, laying pressure and the like on the upper computer 101 and sends a control instruction to the control unit 103, the power supply module 102 supplies power to the upper computer 101, the control unit 103, the hydraulic unit 104, the temperature acquisition unit 105, the laser heating unit 106, the laying platform 107 and the curing degree measurement unit 108, the control unit 103 controls the hydraulic unit 104, the laser heating unit 106, the laying platform 107 and the curing degree measurement unit 108 according to the control instruction sent by the upper computer 101, controls the hydraulic unit 104 to load and unload pressure, adjusts the power of the laser heating unit 106 and ensures that prepreg at an irradiation position can be stabilized in a set temperature range, controls the power of the laser heating unit 106 in a feedback manner according to the comparison between a temperature value acquired by the temperature acquisition unit 105 and a set value, and controls the movement track of the press roller 218, controlling the moving speed of the nip roller 218 according to the comparison of the curing degree value measured by the curing degree measuring unit 108 with a set value; the upper computer 101 is an industrial control computer or a touch screen, and is used for setting parameters such as laying track, heating temperature, curing degree and laying pressure by an operator and sending a control instruction to the control unit 103; the power supply module 102 is a composite stabilized voltage power supply module and is used for supplying power to the upper computer 101, the control unit 103, the hydraulic unit 104, the temperature acquisition unit 105, the laser heating unit 106, the laying platform 107 and the curing degree measurement unit 108; the control unit 103 is a single chip microcomputer controller or a PLC controller, and controls the hydraulic unit 104, the laser heating unit 106 and the laying platform 107 according to a control instruction sent by the upper computer 101; the hydraulic unit 104 consists of a hydraulic pump 301, a hydraulic actuator 302, an electromagnetic directional valve 303 and an oil pipe 304; the hydraulic pump 301, the hydraulic actuator 302 and the oil pipe 304 form a closed loop of hydraulic oil, the hydraulic pump 301 works under the power supply of the power module 102, and the electromagnetic directional valve 303 realizes the extension and contraction of the output shaft of the hydraulic actuator 302 under the control instruction of the control unit 103, so that the loading and unloading of the load are realized; the hydraulic pump 301 is a screw pump and is used for providing hydraulic power for the hydraulic unit 104;
as shown in fig. 2, the temperature acquisition unit 105 is an infrared thermometer composed of a collection optical system, an infrared temperature measurement sensor and a processing circuit, and is fixed to the support plate 205 through the bracket 202, and is configured to measure the temperature of the laser heating unit 106 irradiated on the surface of the prepreg made of composite material, and send the acquired temperature information to the control unit 103; the support plate 205 is an L-shaped plate frame and is fixed on the output guide groove 221 through a screw;
the laser heating unit 106 consists of a shaping optical system and a laser, emits flat-top laser beams with uniform intensity distribution, has the wavelength of 808nm, 880nm, 915nm, 940nm, 976nm, 980nm, 1030nm or 1064nm, is fixed on the supporting plate 205 through a fixing block 201, and is used for irradiating thermoplastic composite prepreg at the position of the heating compression roller 218;
the laying platform 107 consists of a displacement table A208, a displacement table B209, a top frame 210, an electric control rotating table 211, a displacement table C212, an upright column 213, a platform bottom plate 215 and a clamping and guiding unit; the displacement table A208, the displacement table B209 and the displacement table C212 are one-dimensional electric control displacement platforms driven by stepping motors or servo motors, the displacement table A208 and the displacement table B209 are placed in parallel, transmission lead screws in the displacement table A208 and the displacement table B209 have the same screw pitch, the movement of the displacement table A208 and the movement of the displacement table B209 are controlled by the same external signal, the displacement table A208 and the displacement table B209 are respectively fixed on the top frame 210 through screws to realize X-direction one-dimensional movement, two ends of the displacement table C212 are respectively fixed on sliding tables in the displacement table A208 and the displacement table B209 to realize Y-direction one-dimensional movement, and the electric control rotary table 211 and the hydraulic cylinder 220 are driven to realize X-direction and Y-direction two-dimensional plane movement; the top frame 210 is a metal frame in a shape like a Chinese character 'ri', is positioned at the upper ends of the upright posts 213, is respectively fixed with the four upright posts 213 through screws, and is used for fixing the displacement table A208 and the displacement table B209; the electric control rotating platform 211 is a one-dimensional electric control rotating platform driven by a stepping motor or a servo motor, is fixed on a sliding table in the displacement table C212 through screws, and is used for switching the moving direction of the laid composite prepreg, and the adjustable range of the moving direction is 0-360 degrees; the upright column 213 is made of metal material in the shape of a cuboid or a cylinder, the number of the upright columns is four, and the upper end and the lower end of the upright column are respectively fixedly connected with the top frame 210 and the platform bottom plate 215 through external screws and are used for supporting the top frame 210; the adapter plate 214 is an L-shaped plate made of metal, is used for realizing the connection between the hydraulic cylinder 220 and the electric control rotating platform 211, and is also used as a supporting seat of the fixing frame B206; the platform bottom plate 215 is a metal flat plate with a smooth surface, is fixed with the lower end of the upright column 213, and is used as a base of the laying platform 107 and an object stage for laying composite prepreg; the clamping and guiding unit consists of a fixing frame A203, a guiding wheel A204, a fixing frame B206, a drum shaft 207 and a guiding wheel B219; the composite material prepreg cylinder is hung on a cylinder shaft 207, and the composite material prepreg is conveyed to the lower part of a compression roller 218 from the composite material prepreg cylinder after sequentially passing through a guide wheel A204 and a guide wheel B219; the guide wheel A204 and the guide wheel B219 are both limit belt wheels, are respectively hung on the fixing frame A203 and the compression roller frame 216 through bolts and are used for guiding the conveying direction of the composite prepreg; the fixing frame A203 is fixed on the guide groove 221 through an external screw and used for clamping the guide wheel A204; the fixing frame B206 is fixed on the adapter plate 214 and used for clamping the cylinder shaft 207;
the curing degree measuring unit 108 is a Raman spectrometer, is fixed on the supporting rod 225 through a screw and is used for measuring the curing degree of the composite material;
as shown in fig. 3, the hydraulic actuator 302 is composed of a roller frame 216, a roller shaft 217, a roller 218, a hydraulic cylinder 220, a guide groove 221, an adapter block a 222, a heat insulation plate 223, an adapter block B224 and a support rod 225; the compression roller frame 216 is a high-temperature-resistant 316L stainless steel L-shaped frame, is fixed on the adapter block B224 through screws, and is used for clamping the compression roller shaft 217 and the compression roller 218 and ensuring that the compression roller 218 rotates around the central shaft of the compression roller 218; the press roll shaft 217 is a hollow pipe made of high-temperature-resistant 316L stainless steel, and internal threads at two ends of the press roll shaft are used for fixing a water nozzle externally connected with water and are also used for installing and supporting the press roll 218; the press roller 218 is a high-temperature-resistant 316L stainless steel bearing roller, is connected with the press roller frame 216 through a press roller shaft 217 and is used for rolling the composite prepreg; the hydraulic cylinder 220 is a piston type oil cylinder, the cylinder diameter is 32mm, the maximum output pressure is 680N, the diameter of an output shaft is 20mm, the stroke is 30mm, the hydraulic cylinder and the guide groove 221 are fixed on the adapter plate 214 together through an external bolt, and the output pressure and tension load are transmitted to the press roller 218 through the adapter block A222, the heat insulation plate 223, the adapter block B224, the press roller frame 216 and the press roller shaft 217 in sequence, so that the load is applied and removed; the guide groove 221 is a U-shaped square groove, and the stretching and compressing motion guide of the output shaft of the hydraulic cylinder 220 is realized by the contact with the switching block a 222 and the switching block B224; the switching block A222 is a wear-resistant metal switching block and is connected with an output shaft of the hydraulic cylinder 220 through a screw; the heat insulation plate 223 is a cuboid made of silicate materials and is used for realizing heat insulation between the switching block A222 and the switching block B224 and ensuring that a gap exists between the switching block A222 and the switching block B224; the switching block B224 is a metal block made of high-temperature resistant materials, and the switching block A222, the switching block B224 and the heat insulation plate 223 are fixed through external screws and used for fixing the compression roller frame 216; the support rod 225 is a metal rod made of aluminum alloy, one side of the support rod is fixed on the roller frame 216 through a screw, and the other side of the support rod is used for fixing the curing degree measuring unit 108.
The working process of the laser hot-pressing laying forming device for the thermoplastic composite material plate is realized according to the following steps:
a first step of mounting a composite prepreg cartridge on a drum shaft 207, passing the composite prepreg through a guide wheel a204 and a guide wheel B219, and then conveying to a press roller 218;
secondly, turning on a power supply, turning on the upper computer 101 and an operation interface, setting working parameters, and placing one end of the composite material prepreg under a compression roller 218;
thirdly, starting a laying switch;
fourthly, completing sample laying;
step five, closing the upper computer 101;
and sixthly, turning off the power supply.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (1)
1. A laser hot-pressing laying forming device for thermoplastic composite material plates is characterized by comprising an upper computer (101), a power supply module (102), a control unit (103), a hydraulic unit (104), a temperature acquisition unit (105), a laser heating unit (106), a laying platform (107) and a solidification degree measuring unit (108); wherein, an operator sets parameters of laying track, heating temperature, curing degree and laying pressure on the upper computer (101) and sends a control instruction to the control unit (103); the power supply module (102) supplies power to the upper computer (101), the control unit (103), the hydraulic unit (104), the temperature acquisition unit (105), the laser heating unit (106), the laying platform (107) and the curing degree measurement unit (108); the control unit (103) controls the hydraulic unit (104), the laser heating unit (106), the laying platform (107) and the curing degree measuring unit (108) according to a control instruction sent by the upper computer (101), controls the hydraulic unit (104) to load and unload pressure, collects temperature information obtained by the temperature collecting unit (105) and curing degree information of the composite material obtained by the curing degree measuring unit (108), adjusts the power of the laser heating unit (106), ensures that the prepreg at the irradiation position can be stabilized in a set temperature range, and feeds back and controls the power of the laser heating unit (106) according to the comparison between a temperature value collected by the temperature collecting unit (105) and a set value; controlling the movement track of the press roll (218), and controlling the movement speed of the press roll (218) according to the comparison between the curing degree value measured by the curing degree measuring unit (108) and a set value;
the upper computer (101) is an industrial control computer or a touch screen;
the power supply module (102) is a composite voltage-stabilized power supply module;
the control unit (103) is a single chip microcomputer controller or a PLC controller;
the hydraulic unit (104) consists of a hydraulic pump (301), a hydraulic actuating mechanism (302), an electromagnetic directional valve (303) and an oil pipe (304); the hydraulic pump (301), the hydraulic actuating mechanism (302) and the oil pipe (304) form a closed loop of hydraulic oil, the hydraulic pump (301) works under the power supply of the power module (102), and the electromagnetic directional valve (303) realizes the extension and the contraction of an output shaft of the hydraulic actuating mechanism (302) under the control instruction of the control unit (103), so that the loading and the unloading of loads are realized; the hydraulic pump (301) is a screw pump; the hydraulic actuator (302) consists of a compression roller frame (216), a compression roller shaft (217), a compression roller (218), a hydraulic cylinder (220), a guide groove (221), a switching block A (222), a heat insulation plate (223), a switching block B (224) and a support rod (225); the compression roller frame (216) is an L-shaped frame made of high-temperature-resistant 316L stainless steel materials and is fixed on the switching block B (224) through screws; the compression roller shaft (217) is a hollow pipe made of high-temperature-resistant 316L stainless steel, and two ends of the compression roller shaft are provided with internal threads for fixing an external water nozzle; the press roll (218) is a high-temperature-resistant 316L stainless steel bearing roll and is connected with the press roll frame (216) through a press roll shaft (217); the hydraulic cylinder (220) is a piston type oil cylinder, and is fixed on the adapter plate (214) together with the guide groove (221) through an external bolt, and pressure and tension loads output by the hydraulic cylinder are transmitted to the press roll (218) through the adapter block A (222), the heat insulation plate (223), the adapter block B (224) and the press roll frame (216) in sequence; the guide groove (221) is a U-shaped square groove; the switching block A (222) and the switching block B (224) are metal blocks made of high-temperature-resistant materials, the switching block A (222) and the switching block B (224) are fixed with the heat insulation plate (223) through external screws, and are connected with an output shaft of the hydraulic cylinder (220) through screws; the heat insulation plate (223) is a cuboid made of silicate materials; the supporting rod (225) is a metal rod made of aluminum alloy, and one side of the supporting rod is fixed on the compression roller frame (216) through a screw;
the temperature acquisition unit (105) is an infrared thermometer consisting of a collection optical system, an infrared temperature measurement sensor and a processing circuit, and is fixed on the support plate (205) through a bracket (202); the support plate (205) is an L-shaped plate frame and is fixed on the output guide groove (221) through a screw;
the laser heating unit (106) consists of a shaping optical system and a laser, a light beam of the laser heating unit is a flat-top laser beam with uniform intensity distribution, the wavelength of the laser is 808nm, 880nm, 915nm, 940nm, 976nm, 980nm, 1030nm or 1064nm, and the laser heating unit is fixed on the supporting plate (205) through a fixing block (201);
the laying platform (107) consists of a displacement platform A (208), a displacement platform B (209), a top frame (210), an electric control rotating platform (211), a displacement platform C (212), an upright post (213), a platform bottom plate (215) and a clamping and guiding unit; the displacement platform A (208), the displacement platform B (209) and the displacement platform C (212) are one-dimensional electric control displacement platforms driven by stepping motors or servo motors, the displacement platform A (208) and the displacement platform B (209) are placed in parallel, transmission lead screws in the displacement platform A (208) and the displacement platform B (209) have the same screw pitch, the movement of the displacement platform A (208) and the movement of the displacement platform B (209) are controlled by the same external signal and are respectively fixed on a top frame (210) through screws, and two ends of the displacement platform C (212) are respectively fixed on sliding tables in the displacement platform A (208) and the displacement platform B (209); the top frame (210) is a metal frame in a shape like the Chinese character 'ri', is positioned at the upper end of the upright post (213), and is respectively fixed with the four upright posts (213) through screws; the electric control rotary table (211) is a one-dimensional electric control rotary table driven by a stepping motor or a servo motor and is fixed on a sliding table in the displacement table C (212) through screws; the upright posts (213) are made of metal materials in the shape of a cuboid or a cylinder, the number of the upright posts is four, and the upper end and the lower end of each upright post are respectively fixedly connected with the top frame (210) and the platform bottom plate (215) through external screws; the adapter plate (214) is an L-shaped plate made of metal; the platform bottom plate (215) is a metal flat plate with a smooth surface and is fixed with the lower end of the upright post (213); the clamping and guiding unit consists of a fixing frame A (203), a guiding wheel A (204), a fixing frame B (206), a drum shaft (207) and a guiding wheel B (219); the composite material prepreg tape cylinder is hung on a cylinder shaft (207), and the composite material prepreg tape is conveyed to a press roller (218) from the composite material prepreg tape cylinder after sequentially passing through a guide wheel A (204) and a guide wheel B (219); the guide wheel A (204) and the guide wheel B (219) are both limiting belt wheels and are respectively hung on the fixed frame A (203) and the compression roller frame (216) through bolts; the fixing frame A (203) is fixed on the guide groove (221); the fixing frame B (206) is fixed on the adapter plate (214);
the curing degree measuring unit (108) is a Raman spectrometer and is fixed on the supporting rod (225) through screws.
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| CN201910125658.8A CN109822938B (en) | 2019-02-20 | 2019-02-20 | Laser hot-pressing laying forming device for thermoplastic composite material plate |
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| CN201910125658.8A CN109822938B (en) | 2019-02-20 | 2019-02-20 | Laser hot-pressing laying forming device for thermoplastic composite material plate |
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| FR2827205B1 (en) * | 2001-07-12 | 2003-12-05 | Airbus France | PROCESS FOR PRODUCING HOLES, PARTICULARLY MICROPROFORATIONS IN A COMPOSITE MATERIAL, DEVICE FOR IMPLEMENTING SAME AND ACOUSTIC SHOCKING LAYER CONSISTING OF SAID MATERIAL |
| JP2007508596A (en) * | 2003-10-17 | 2007-04-05 | エクスプレイ リミテッド | Optical system and method for use in a projection system |
| CN101076713A (en) * | 2004-08-27 | 2007-11-21 | Bwt财产公司 | Laser curing apparatus with real-time monitoring and control |
| CN101254652B (en) * | 2007-12-28 | 2010-04-21 | 西安交通大学 | In-situ consolidation fibre laying method and device for producing resin-based compound material component |
| EP2727693B1 (en) * | 2012-11-05 | 2015-01-14 | Toho Tenax Europe GmbH | Method for manufacturing fibre preforms |
| CN103358564B (en) * | 2013-07-05 | 2015-12-02 | 西安交通大学 | Integral wind power blade ultraviolet light/electron beam in-situ cured fiber placement shaped device and method |
| CN103935044B (en) * | 2014-05-07 | 2017-01-11 | 王瑛玮 | Preparation of composite material by scanning prepreg through laser |
| DE102014017085A1 (en) * | 2014-11-20 | 2016-05-25 | Kautex Textron Gmbh & Co. Kg | Device for producing a reinforcing structure on a shaped body surface |
| CN105538742A (en) * | 2016-01-19 | 2016-05-04 | 南昌航空大学 | Automatic tape laying machine used for composite material and based on 3D printing technology |
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| CN108819292B (en) * | 2018-07-10 | 2020-09-04 | 长春理工大学 | Automatic laying device and method for thermoplastic composite material |
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Effective date of registration: 20240103 Address after: Room C3-310, No. 6 Dongyi Road, Dongzhen, Torch Development Zone, Zhongshan City, Guangdong Province, 528437 Patentee after: Tuge Technology (Guangdong) Co.,Ltd. Address before: No.7089 Weixing Road, Changchun City, Jilin Province 130033 Patentee before: CHANGCHUN University OF SCIENCE AND TECHNOLOGY |
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