Sheet molding compound molding equipment and molding method

Abstract

The invention discloses sheet molding compound molding equipment and a molding method, and relates to the technical field of sheet molding compounds, the sheet molding compound molding equipment comprises a workbench and a support; a disc frame is arranged on the top face of the workbench, a first motor is fixed to the bottom face of the disc frame, a rotating disc is rotationally installed in the disc frame, an output shaft of the first motor is connected with the middle of the bottom face of the rotating disc, bottom mold frames are sequentially fixed to the top face of the rotating disc with the circle center as the center, and heating through grooves are formed in the bottom mold frames. According to the sheet molding compound forming equipment and method, continuous operation of loading, pressing and demolding procedures is achieved through the multi-station design of the rotating disc, the production efficiency is remarkably improved, an infrared heating temperature control system and an automatic detection unit are integrated, it is ensured that the product quality is stable, and the production efficiency is improved. The equipment can meet the flexible production requirements of products of different specifications, and the energy consumption and the production cost are effectively reduced while the productivity is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of sheet molding compounds, in particular to sheet molding compound molding equipment and a molding method. Background Art

[0002] Sheet molding compound (SMC) has the properties of electrical insulation, heat resistance, flame retardancy, good mechanical strength, light weight, easy and flexible engineering design, and its mechanical properties are comparable to some metal materials. Therefore, it is widely used in transportation vehicles, construction, electronics, electrical and other industries. Traditional equipment mostly uses single-station hydraulic pressing and relies on manual labor for mold cleaning, release agent spraying, and workpiece removal, resulting in low production efficiency and high labor intensity. Auxiliary processes such as mold cleaning and release agent spraying are still mainly manual, which not only increases labor intensity but also easily affects product quality due to improper operation. In addition, most inspections are performed visually and lack intelligent detection functions. Product defects are often not discovered until subsequent processes, resulting in waste of raw materials. To this end, we propose a sheet molding compound molding equipment and molding method. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a sheet molding compound molding equipment and molding method. The multi-station design of the rotating disk realizes the continuous operation of the loading, pressing and demolding processes, significantly improving the production efficiency. The integrated infrared heating temperature control system and automatic detection unit ensure stable product quality. The equipment can meet the flexible production needs of products of different specifications, effectively reduce energy consumption and production costs while increasing production capacity, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solutions: a sheet molding compound forming device, comprising a workbench and a bracket; Workbench: A disc rack is provided on the top surface, a first motor is fixed to the bottom surface of the disc rack, a rotating disc is rotatably installed inside the disc rack, the output shaft of the first motor is connected to the middle of the bottom surface of the rotating disc, bottom mold frames are fixed to the top surface of the rotating disc in sequence with the center of the circle, a heating through groove is provided inside the bottom mold frame, the bracket is fixed to the rear side of the top surface of the workbench, hydraulic rods are installed on both sides of the top surface of the bracket, the bottom end of the hydraulic rod is connected to one side of the top surface of the press plate, the position of the press plate corresponds to the bottom mold frame, a cleaning unit is provided on the front side of the top surface of the workbench, and a material removal detection unit is provided on the left side of the top surface of the workbench; It also includes a controller, which is arranged on the top surface of the workbench. The input ends of the first motor and the hydraulic rod are electrically connected to the output end of the controller, and the input end of the controller is electrically connected to the output end of an external power supply.

[0005] The first motor drives the rotating disk to rotate to realize the cyclic operation of multiple bottom mold frames. The hydraulic rod drives the pressing plate to cooperate with the bottom mold frame to complete the sheet molding compound molding process. At the same time, it also enables the loading, film pressing, demoulding, cleaning and other processes to be carried out in parallel, reducing waiting time and improving the molding efficiency of the equipment.

[0006] Furthermore, the cleaning unit includes a third motor, a connecting plate, an anti-slip frame, a mounting seat, a soft brush, a mounting plate and an electric lifting rod, wherein there are two electric lifting rods and they are respectively fixed on the front side of the inside of the workbench, the top of the electric lifting rod is connected to one side of the bottom surface of the connecting plate, the top surface of the connecting plate is fixed with a third motor, the output shaft of the third motor is connected to the middle of the top surface of the mounting seat, the mounting groove on the bottom surface of the mounting seat is slidably installed with the soft brush, there are two anti-slip frames and they are respectively rotatably connected to the two ends of the outer side surface of the mounting seat, the input ends of the third motor and the electric lifting rod are electrically connected to the output end of the controller, the anti-slip frame is rotated to be stuck on the side of the mounting seat to install the soft brush on the bottom surface of the mounting seat, the electric lifting rod is used to make the soft brush fit with the top surface of the mold, and the third motor drives the soft brush to rotate to clean the waste remaining inside the mold.

[0007] Furthermore, the cleaning unit also includes a fourth motor, a screw, an adjustment seat, an atomizing nozzle, a liquid pump, a release agent box and a liquid level sensor. There are two fourth motors and they are respectively fixed on the left and right sides of the mounting plate. The output shaft of the fourth motor is connected to the front end of the screw, and the screw is threadedly connected to the screw hole on the surface of the adjustment seat. The adjustment seat is slidably installed on the side of the mounting plate. The atomizing nozzle is clamped inside the adjustment seat. The release agent box is fixed to the front side of the workbench. The top surface of the release agent box is provided with a liquid pump, and the liquid outlet pipes of the liquid pump are respectively connected to The liquid inlets of the two atomizing nozzles are connected, a liquid level sensor is installed on the surface of the release agent box, the input end of the fourth motor and the liquid pump is electrically connected to the output end of the controller, the output end of the liquid level sensor is electrically connected to the input end of the controller, and the liquid pump is started to spray the release agent inside the release agent box through the atomizing nozzle. The fourth motor drives the lead screw to rotate to drive the atomizing nozzle to move back and forth, so that the release agent is evenly sprayed on the inside of the mold to facilitate subsequent stripping processing. The set liquid level sensor can detect the remaining amount of release agent to remind personnel to add it.

[0008] Furthermore, the cleaning unit also includes a placement seat and a fan. There are two placement seats and they are fixed on both sides of the top surface of the mounting plate. A fan is placed inside the placement seat. The input end of the fan is electrically connected to the output end of the controller. The fan blows and cleans the dust inside the mold.

[0009] Furthermore, the stripping detection unit includes a sponge bar, a push plate, a placement plate, a pneumatic push rod, an electric push rod, a linear motor and a support frame, the linear motor is fixed on the left side of the inside of the workbench, the surface of the linear motor mover seat is provided with a support frame, the top of the support frame passes through the through groove on the workbench surface and is connected to one side of the bottom surface of the placement plate, and pneumatic push rods are fixed on the front and back sides of the top surface of the placement plate, the right end of the pneumatic push rod is connected to one end of the left side of the push plate, and the left side of the push plate is bonded with a sponge bar, the electric push rod is fixed on the left side of the bottom surface of the disk rack, the top of the electric push rod passes through the through hole on the disk rack surface and is slidably connected to the stripping hole on the surface of the rotating disk, the input ends of the pneumatic push rod, electric push rod and linear motor are electrically connected to the output end of the controller, the linear motor is started to adjust the height of the placement plate, and the pneumatic push rod drives the push plate to move to push the molded parts ejected by the electric push rod to the top surface of the placement plate to complete the stripping process.

[0010] Furthermore, the stripping detection unit also includes an electric telescopic rod, a support plate, a second motor, a fixed plate, a pressure plate, a detection camera, a frame and a rotating table. The support plate is fixed to the side of the placement plate, and electric telescopic rods are fixed on both sides of the top surface of the support plate. The bottom end of the electric telescopic rod is connected to one side of the top surface of the fixed plate. The top surface of the fixed plate is provided with a second motor, and the output shaft of the second motor is connected to the middle of the top surface of the pressure plate. The rotating table is rotatably installed in the middle of the top surface of the placement plate, and the frame is fixed to the right side of the support plate. A detection camera is placed inside the frame, and the input ends of the electric telescopic rod, the second motor and the detection camera are electrically connected to the output end of the controller. Starting the electric telescopic rod fixes the molded part between the pressure plate and the rotating table, and the second motor can drive the molded part to rotate. The detection camera is set to perform defect detection on the surface of the molded part, so that defects can be detected in time to prevent subsequent waste of materials.

[0011] Furthermore, the material removal detection unit also includes a lighting lamp, and there are two lighting lamps respectively installed on the front and rear sides of the support plate. The input end of the lighting lamp is electrically connected to the output end of the controller. The lighting lamp can provide supplementary light for the surface of the molded part to improve the accuracy of detection.

[0012] Furthermore, it also includes a temperature measuring camera, a machine base and an infrared radiation heater. The machine base is fixed inside the bracket, and a temperature measuring camera is placed inside the machine base. The infrared radiation heater is fixed on the rear side of the bottom surface of the disc rack. The input ends of the temperature measuring camera and the infrared radiation heater are electrically connected to the output end of the controller. The infrared radiation heater is set to quickly heat the mold, thereby increasing the efficiency of curing of the molded parts. At the same time, the temperature measuring camera can detect the temperature of the mold in real time to improve the accuracy of temperature control.

[0013] Furthermore, it also includes a display screen, which is rotatably installed on the right side of the top surface of the workbench. The input end of the display screen is electrically connected to the output end of the controller. The display screen can display the detected data to facilitate personnel to view the data and make subsequent adjustments.

[0014] A method for forming a sheet molding compound forming device comprises the following steps: 1): Install the sheet molding compound forming mold on the pressing plate and the bottom mold frame respectively, start the hydraulic rod to drive the pressing plate to press down to complete the pressing of the sheet molding compound, and set the infrared radiation heater to heat and cure the sheet molding compound; 2): Start the first motor to drive the rotating disk to the next station, start the pneumatic push rod to push the molded part ejected by the electric push rod onto the top surface of the rotating table. At this time, the electric telescopic rod drives the pressure plate to press down to fix the molded part. The second motor can drive the molded part to rotate, and cooperate with the inspection camera to detect defects on the surface of the molded part; 3): Then start the electric lifting rod to fit the soft brush to the mold surface. The third motor drives the soft brush to rotate and cooperates with the fan to clean the impurities inside the mold. At the same time, the fourth motor drives the screw to rotate and drives the atomizing nozzle to move back and forth to evenly spray the release agent to the inside of the mold to facilitate subsequent demolding.

[0015] Compared with the prior art, the present invention has the following advantages: 1. The first motor drives the rotating disk to rotate to realize the cyclic operation of multiple bottom mold frames. The hydraulic rod drives the pressing plate to cooperate with the bottom mold frame to complete the sheet molding compound molding process. At the same time, the loading, film pressing, demoulding, cleaning and other processes are also carried out in parallel, reducing waiting time and improving the molding efficiency of the equipment.

[0016] 2. The soft brush is installed on the bottom of the mounting base by rotating the anti-slip frame to the side of the mounting base. The electric lifting rod is used to make the soft brush fit the top surface of the mold. The third motor drives the soft brush to rotate to clean the residual waste inside the mold. At the same time, the fan is started to blow and clean the dust inside the mold.

[0017] 3. Start the liquid pump to spray the release agent inside the release agent box through the atomizing nozzle. Cooperate with the fourth motor to drive the screw to rotate and drive the atomizing nozzle to move back and forth, so that the release agent is evenly sprayed on the inside of the mold to facilitate the subsequent stripping process. The set liquid level sensor can detect the remaining amount of release agent to remind personnel to add it.

[0018] 4. The height of the placement plate is adjusted by starting the linear motor. The pneumatic push rod drives the push plate to move the molded part ejected by the electric push rod to the top surface of the placement plate to complete the material removal process. The second motor can drive the molded part to rotate. The detection camera is set to detect defects on the surface of the molded part, so that defects can be detected in time to prevent subsequent material waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic structural diagram of the material removal detection unit of the present invention; Figure 3 It is a schematic diagram of the structure of the right side of the present invention; Figure 4 Schematic diagram of the internal structure of the workbench of the present invention; Figure 5 This is a schematic structural diagram of the cleaning unit of the present invention.

[0020] In the figure: 1 workbench, 2 cleaning unit, 21 third motor, 22 connecting plate, 23 anti-stripping frame, 24 mounting seat, 25 soft brush, 26 mounting plate, 27 electric lifting rod, 28 fourth motor, 29 lead screw, 210 adjustment seat, 211 atomizing nozzle, 212 liquid pump, 213 release agent box, 214 liquid level sensor, 215 placement seat, 216 fan, 3 stripping detection unit, 31 sponge strip, 32 push plate, 33 placement plate, 34 pneumatic push rod, 35 electric push rod Rod, 36 linear motor, 37 support frame, 38 electric telescopic rod, 39 support plate, 310 second motor, 311 fixed plate, 312 pressure plate, 313 detection camera, 314 frame, 315 turntable, 316 lighting lamp, 4 disk rack, 5 bracket, 6 hydraulic rod, 7 pressure plate, 8 first motor, 9 rotating disk, 10 bottom mold frame, 11 heating slot, 12 box door, 13 temperature measuring camera, 14 base, 15 infrared radiation heater, 16 display screen, 17 controller. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-5 , this embodiment provides a technical solution: a sheet molding compound molding device, comprising a workbench 1 and a bracket 5; Workbench 1: A disk rack 4 is provided on the top surface, a first motor 8 is fixed to the bottom surface of the disk rack 4, a rotating disk 9 is rotatably installed inside the disk rack 4, the output shaft of the first motor 8 is connected to the middle of the bottom surface of the rotating disk 9, a bottom mold frame 10 is fixed to the top surface of the rotating disk 9 in sequence with the center of the circle, a heating groove 11 is provided inside the bottom mold frame 10, the bracket 5 is fixed to the rear side of the top surface of the workbench 1, hydraulic rods 6 are installed on both sides of the top surface of the bracket 5, the bottom end of the hydraulic rod 6 is connected to one side of the top surface of the pressing plate 7, and the position of the pressing plate 7 corresponds to the position of the bottom mold frame 10, a cleaning unit 2 is provided on the front side of the top surface of the workbench 1, the cleaning unit 2 comprises a third motor 21, a connecting plate 22, an anti-slip frame 23, a mounting seat 24, a soft brush 25, a mounting plate 26 and an electric lifting rod 27, an electric There are two dynamic lifting rods 27 and they are respectively fixed on the front side of the inside of the workbench 1. The top of the electric lifting rod 27 is connected to one side of the bottom surface of the connecting plate 22. The top surface of the connecting plate 22 is fixed with a third motor 21. The output shaft of the third motor 21 is connected to the middle part of the top surface of the mounting seat 24. The mounting groove on the bottom surface of the mounting seat 24 is slidably installed with the soft brush 25. There are two anti-slip frames 23 and they are respectively rotatably connected to the two ends of the outer side surface of the mounting seat 24. The input end of the third motor 21 and the electric lifting rod 27 is electrically connected to the output end of the controller 17. The anti-slip frame 23 is rotated to be stuck on the side of the mounting seat 24 to install the soft brush 25 on the bottom surface of the mounting seat 24. The electric lifting rod 27 is used to make the soft brush 25 fit with the top surface of the mold. The third motor 21 drives the soft brush 25 to rotate to align the mold The waste material remaining inside the tool is cleaned, the cleaning unit 2 also includes a fourth motor 28, a screw 29, an adjusting seat 210, an atomizing nozzle 211, a liquid pump 212, a release agent box 213 and a liquid level sensor 214. There are two fourth motors 28 and they are respectively fixed on the left and right sides of the mounting plate 26. The output shaft of the fourth motor 28 is connected to the front end of the screw 29, and the screw 29 is threadedly connected to the screw hole on the surface of the adjusting seat 210. The adjusting seat 210 is slidably installed on the side of the mounting plate 26. The interior of the adjusting seat 210 is clamped with the atomizing nozzle 211, and the release agent box 213 is fixed to the front side of the workbench 1. The top surface of the release agent box 213 is provided with a liquid pump 212. The liquid outlet pipe of the liquid pump 212 is respectively connected to the liquid inlet of the two atomizing nozzles 211. A liquid level sensor 214 is installed on the surface of the mold box 213. The input end of the fourth motor 28 and the liquid pump 212 is electrically connected to the output end of the controller 17. The output end of the liquid level sensor 214 is electrically connected to the input end of the controller 17. The liquid pump 212 is started to spray the release agent inside the release agent box 213 through the atomizing nozzle 211. The fourth motor 28 drives the lead screw 29 to rotate to drive the atomizing nozzle 211 to move back and forth, so that the release agent is evenly sprayed on the inside of the mold to facilitate subsequent stripping processing. The set liquid level sensor 214 can detect the remaining amount of release agent to remind personnel to add it. The cleaning unit 2 also includes a placement seat 215 and a fan 216. There are two placement seats 215 and they are fixed on both sides of the top surface of the mounting plate 26.A fan 216 is placed inside the placement seat 215, and the input end of the fan 216 is electrically connected to the output end of the controller 17. The fan 216 blows and cleans the dust inside the mold. A stripping detection unit 3 is provided on the left side of the top surface of the workbench 1. The stripping detection unit 3 includes a sponge strip 31, a push plate 32, a placement plate 33, a pneumatic push rod 34, an electric push rod 35, a linear motor 36 and a support frame 37. The linear motor 36 is fixed on the left side of the inside of the workbench 1. A support frame 37 is provided on the surface of the mover seat of the linear motor 36. The top of the support frame 37 passes through the through groove on the surface of the workbench 1 and is connected to one side of the bottom surface of the placement plate 33. Pneumatic push rods are fixed on the front and back sides of the top surface of the placement plate 33. The right end of the pneumatic push rod 34 is connected to one end of the left side of the push plate 32, and the left side of the push plate 32 is bonded with a sponge strip 31. The electric push rod 35 is fixed to the left side of the bottom surface of the disk rack 4. The top of the electric push rod 35 passes through the through hole on the surface of the disk rack 4 and is slidably connected to the stripping hole on the surface of the rotating disk 9. The input ends of the pneumatic push rod 34, the electric push rod 35 and the linear motor 36 are electrically connected to the output end of the controller 17. The linear motor 36 is started to adjust the height of the placement plate 33. The pneumatic push rod 34 drives the push plate 32 to move to push the molded part ejected by the electric push rod 35 to the top surface of the placement plate 33 to complete the stripping process. The stripping detection unit 3 also includes an electric telescopic rod 38, a support plate 3 9. The second motor 310, the fixed plate 311, the pressing plate 312, the detection camera 313, the frame 314 and the rotating table 315. The support plate 39 is fixed to the side of the placement plate 33. The electric telescopic rod 38 is fixed on both sides of the top surface of the support plate 39. The bottom end of the electric telescopic rod 38 is connected to one side of the top surface of the fixed plate 311. The top surface of the fixed plate 311 is provided with a second motor 310. The output shaft of the second motor 310 is connected to the middle of the top surface of the pressing plate 312. The rotating table 315 is rotatably installed in the middle of the top surface of the placement plate 33. The frame 314 is fixed to the right side of the support plate 39. The detection camera 313, the electric telescopic rod 38, the second motor 31 0 and the input end of the detection camera 313 are electrically connected to the output end of the controller 17, and the electric telescopic rod 38 is started to fix the molded part between the pressing plate 312 and the rotating table 315. The second motor 310 can drive the molded part to rotate. The detection camera 313 is set to detect defects on the surface of the molded part, so that defects can be detected in time to prevent subsequent material waste. The stripping detection unit 3 also includes a lighting lamp 316. There are two lighting lamps 316 and they are respectively installed on the front and rear sides of the support plate 39. The input end of the lighting lamp 316 is electrically connected to the output end of the controller 17. The lighting lamp 316 can provide supplementary lighting for the surface of the molded part to improve the accuracy of the detection; Among them, it also includes a controller 17, which is arranged on the top surface of the workbench 1, and the input ends of the first motor 8 and the hydraulic rod 6 are electrically connected to the output end of the controller 17, and the input end of the controller 17 is electrically connected to the output end of the external power supply. The first motor 8 drives the rotating disk 9 to rotate to realize the cyclic operation of multiple bottom mold frames 10, and the hydraulic rod 6 drives the pressing plate 7 to cooperate with the bottom mold frame 10 to complete the sheet molding compound molding process. At the same time, it also enables the loading, film pressing, demoulding, cleaning and other processes to be carried out in parallel, reducing waiting time and improving the molding efficiency of the equipment. It also includes a temperature measuring camera 13, a machine base 14 and an infrared radiation heater 15. The machine base 14 is fixed inside the bracket 5, and the inside of the machine base 14 is placed A temperature measuring camera 13 is provided, and an infrared radiation heater 15 is fixed on the rear side of the bottom surface of the tray rack 4. The input ends of the temperature measuring camera 13 and the infrared radiation heater 15 are electrically connected to the output end of the controller 17. The infrared radiation heater 15 is provided to quickly heat the mold, thereby increasing the efficiency of curing of the molded part. At the same time, the temperature measuring camera 13 can detect the temperature of the mold in real time to improve the accuracy of temperature control. It also includes a display screen 16, which is rotatably installed on the right side of the top surface of the workbench 1. The input end of the display screen 16 is electrically connected to the output end of the controller 17. The display screen 16 can display the detected data to facilitate personnel to view the data and make subsequent adjustments.

[0023] A method for forming a sheet molding compound forming device comprises the following steps: 1): Install the SMC forming mold onto the die plate 7 and the bottom mold frame 10 respectively, start the hydraulic rod 6 to drive the die plate 7 to press down to complete the die forming of the SMC, and set the infrared radiation heater 15 to heat and cure the SMC; 2): Start the first motor 8 to drive the rotating disk 9 to rotate to the next station, start the pneumatic push rod 34 to push the molded part ejected by the electric push rod 35 onto the top surface of the rotating table 315. At this time, the electric telescopic rod 38 drives the pressing plate 312 to press down to fix the molded part. The second motor 310 can drive the molded part to rotate, and cooperate with the inspection camera 313 to detect defects on the surface of the molded part; 3): Then start the electric lifting rod 27 to fit the soft brush 25 to the mold surface. The third motor 21 drives the soft brush 25 to rotate and cooperates with the fan 216 to clean the impurities inside the mold. At the same time, the fourth motor 28 drives the screw 29 to rotate and drives the atomizing nozzle 211 to move back and forth to evenly spray the release agent to the inside of the mold to facilitate subsequent demolding.

[0024] The working principle of a sheet molding compound forming device provided by the present invention is as follows: first, the sheet molding compound forming mold is respectively installed on the pressing plate 7 and the bottom mold frame 10, and the sheet molding compound raw material is placed on the surface of the bottom mold. The hydraulic rod 6 is started to drive the pressing plate 7 to press down to perform compression molding on the sheet molding compound raw material. The infrared radiation heater 15 is provided to quickly heat the mold, thereby increasing the efficiency of curing of the molded part. At the same time, the temperature measuring camera 13 can detect the temperature of the mold in real time to improve the accuracy of temperature control. After the film is pressed, the electric push rod 35 is started to eject the molded part, the linear motor 36 is started to adjust the height of the placement plate 33, the pneumatic push rod 34 drives the push plate 32 to move to push the molded part ejected by the electric push rod 35 to the top surface of the placement plate 33 to complete the material removal process, the electric telescopic rod 38 is started to fix the molded part between the pressing plate 312 and the rotating table 315, the second motor 310 can drive the molded part to rotate, and the detection camera 313 is provided to detect defects on the surface of the molded part. In this way, defects can be detected in time to prevent subsequent material waste. Subsequently, the anti-stripping frame 23 is rotated to be stuck on the side of the mounting seat 24 so that the soft brush 25 is installed on the bottom surface of the mounting seat 24, and the electric lifting rod 27 is used to make the soft brush 25 fit the top surface of the mold. The third motor 21 drives the soft brush 25 to rotate and cooperates with the fan 216 to blow air to clean the waste material remaining inside the mold. After the waste material is cleaned, the liquid pump 212 is started to spray the release agent inside the release agent box 213 through the atomizing nozzle 211. The fourth motor 28 drives the lead screw 29 to rotate to drive the atomizing nozzle 211 to move back and forth, so that the release agent is evenly sprayed on the inside of the mold to facilitate subsequent stripping processing. The set liquid level sensor 214 can detect the remaining release agent to remind personnel to add it. The rotatably installed display screen 16 can display the detected data to facilitate personnel to view the data and make subsequent adjustments. This equipment enables the loading, film pressing, demoulding, cleaning and other processes to be carried out in parallel, reducing waiting time and improving the molding processing efficiency of the equipment.

[0025] It is noteworthy that the controller 17 disclosed in the above embodiment is provided with buttons corresponding to the first motor 8, the second motor 310, the third motor 21, the fourth motor 28, the electric lift rod 27, the liquid pump 212, the liquid level sensor 214, the fan 216, the pneumatic push rod 34, the electric push rod 35, the linear motor 36, the electric telescopic rod 38, the detection camera 313, the lighting 316, the hydraulic rod 6, the temperature measurement camera 13, the infrared radiation heater 15, and the display screen 16. The controller 17 controls the first motor 8, the second motor 310, the third motor 21, the fourth motor 28, the electric lift rod 27, the liquid pump 212, the liquid level sensor 214, the fan 216, the pneumatic push rod 34, the electric push rod 35, the linear motor 36, the electric telescopic rod 38, the detection camera 313, the lighting 316, the hydraulic rod 6, the temperature measurement camera 13, the infrared radiation heater 15, and the display screen 16 using methods commonly used in the prior art.

[0026] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sheet molding compound forming device, characterized in that: It includes a workbench (1) and a bracket (5); Workbench (1): a disc rack (4) is provided on the top surface, a first motor (8) is fixed on the bottom surface of the disc rack (4), a rotating disc (9) is rotatably installed inside the disc rack (4), an output shaft of the first motor (8) is connected to the middle of the bottom surface of the rotating disc (9), a bottom die frame (10) is fixed on the top surface of the rotating disc (9) in sequence with the center of the circle, a heating groove (11) is provided inside the bottom die frame (10), the bracket (5) is fixed on the rear side of the top surface of the workbench (1), hydraulic rods (6) are installed on both sides of the top surface of the bracket (5), the bottom end of the hydraulic rod (6) is connected to one side of the top surface of the pressing plate (7), the position of the pressing plate (7) corresponds to the position of the bottom die frame (10), a cleaning unit (2) is provided on the front side of the top surface of the workbench (1), and a material removal detection unit (3) is provided on the left side of the top surface of the workbench (1); The workbench (1) further includes a controller (17), which is arranged on the top surface of the workbench (1), and the input ends of the first motor (8) and the hydraulic rod (6) are electrically connected to the output end of the controller (17), and the input end of the controller (17) is electrically connected to the output end of an external power supply.

2. The sheet molding compound forming apparatus according to claim 1, wherein: The cleaning unit (2) comprises a third motor (21), a connecting plate (22), an anti-slip frame (23), a mounting seat (24), a soft brush (25), a mounting plate (26) and an electric lifting rod (27). The electric lifting rod (27) has two components and is fixed to the front side of the workbench (1). The top of the electric lifting rod (27) is connected to one side of the bottom surface of the connecting plate (22). The top surface of the connecting plate (22) is fixed with the third motor (21). The output shaft of the third motor (21) is connected to the middle of the top surface of the mounting seat (24). The mounting groove on the bottom surface of the mounting seat (24) is slidably mounted with the soft brush (25). The anti-slip frame (23) has two components and is rotatably connected to the two ends of the outer side surface of the mounting seat (24). The input ends of the third motor (21) and the electric lifting rod (27) are electrically connected to the output end of the controller (17).

3. The sheet molding compound forming apparatus according to claim 2, wherein: The cleaning unit (2) further comprises a fourth motor (28), a lead screw (29), an adjustment seat (210), an atomizing nozzle (211), a liquid pump (212), a release agent tank (213) and a liquid level sensor (214), wherein the fourth motor (28) has two parts and is fixed to the left and right sides of the mounting plate (26), respectively, the output shaft of the fourth motor (28) is connected to the front end of the lead screw (29), the lead screw (29) is threadedly connected to the screw hole on the surface of the adjustment seat (210), the adjustment seat (210) is slidably mounted on the side of the mounting plate (26), and the adjustment seat (210) is fixed to the left and right sides of the mounting plate (26). 10) is internally clamped with an atomizing nozzle (211), the release agent box (213) is fixed to the front side of the workbench (1), the top surface of the release agent box (213) is provided with a liquid pump (212), the liquid outlet pipe of the liquid pump (212) is respectively connected to the liquid inlet of the two atomizing nozzles (211), a liquid level sensor (214) is installed on the surface of the release agent box (213), the input end of the fourth motor (28) and the liquid pump (212) are electrically connected to the output end of the controller (17), and the output end of the liquid level sensor (214) is electrically connected to the input end of the controller (17).

4. The sheet molding compound forming apparatus according to claim 2, wherein: The cleaning unit (2) further comprises a placement seat (215) and a fan (216). There are two placement seats (215) fixed on both sides of the top surface of the mounting plate (26). The fan (216) is placed inside the placement seat (215). The input end of the fan (216) is electrically connected to the output end of the controller (17).

5. The sheet molding compound forming apparatus according to claim 1, wherein: The stripping detection unit (3) comprises a sponge strip (31), a push plate (32), a placement plate (33), a pneumatic push rod (34), an electric push rod (35), a linear motor (36) and a support frame (37), wherein the linear motor (36) is fixed on the left side of the inside of the workbench (1), and the surface of the linear motor (36) mover seat is provided with a support frame (37), the top end of the support frame (37) passes through the through slot on the surface of the workbench (1) and is connected to one side of the bottom surface of the placement plate (33), and the front and rear sides of the top surface of the placement plate (33) are connected to the front and rear sides of the top surface of the placement plate (33). A pneumatic push rod (34) is fixed on each of the disc racks (4). The right end of the pneumatic push rod (34) is connected to one end of the left side of the push plate (32). The left side of the push plate (32) is bonded with a sponge strip (31). The electric push rod (35) is fixed on the left side of the bottom surface of the disc rack (4). The top end of the electric push rod (35) passes through the through hole on the surface of the disc rack (4) and is slidably connected to the stripping hole on the surface of the rotating disc (9). The input ends of the pneumatic push rod (34), the electric push rod (35) and the linear motor (36) are electrically connected to the output end of the controller (17).

6. The sheet molding compound forming apparatus according to claim 5, wherein: The stripping detection unit (3) further comprises an electric telescopic rod (38), a support plate (39), a second motor (310), a fixed plate (311), a pressure plate (312), a detection camera (313), a frame (314) and a rotating table (315), wherein the support plate (39) is fixed to the side of the placement plate (33), the electric telescopic rod (38) is fixed on both sides of the top surface of the support plate (39), the bottom end of the electric telescopic rod (38) is connected to one side of the top surface of the fixed plate (311), and the fixed plate (311) is fixed to the side of the placement plate (33). 11) is provided with a second motor (310), the output shaft of the second motor (310) is connected to the middle of the top surface of the pressing plate (312), the rotating platform (315) is rotatably mounted on the middle of the top surface of the placement plate (33), the frame (314) is fixed to the right side of the support plate (39), and a detection camera (313) is placed inside the frame (314), and the input ends of the electric telescopic rod (38), the second motor (310) and the detection camera (313) are electrically connected to the output end of the controller (17).

7. The sheet molding compound forming apparatus according to claim 6, wherein: The material stripping detection unit (3) further includes a lighting lamp (316). There are two lighting lamps (316) installed on the front and rear sides of the support plate (39), respectively. The input end of the lighting lamp (316) is electrically connected to the output end of the controller (17).

8. The sheet molding compound forming apparatus according to claim 1, wherein: It also includes a temperature measuring camera (13), a base (14) and an infrared radiation heater (15), wherein the base (14) is fixed inside the bracket (5), the temperature measuring camera (13) is placed inside the base (14), and the infrared radiation heater (15) is fixed on the rear side of the bottom surface of the rack (4), and the input ends of the temperature measuring camera (13) and the infrared radiation heater (15) are electrically connected to the output end of the controller (17).

9. The sheet molding compound forming apparatus according to claim 1, wherein: It also includes a display screen (16), which is rotatably mounted on the right side of the top surface of the workbench (1), and an input end of the display screen (16) is electrically connected to an output end of the controller (17).

10. A molding method for sheet molding compound molding equipment, characterized in that: The following steps are involved: 1): Install the sheet molding compound forming mold on the pressing plate (7) and the bottom mold frame (10) respectively, start the hydraulic rod (6) to drive the pressing plate (7) to press down to complete the pressing of the sheet molding compound, and set the infrared radiation heater (15) to heat and cure the sheet molding compound; 2): Start the first motor (8) to drive the rotating disk (9) to rotate to the next station, start the pneumatic push rod (34) to push the molded part ejected by the electric push rod (35) into the top surface of the rotating table (315), and then the electric telescopic rod (38) drives the pressure plate (312) to press down to fix the molded part, and the second motor (310) can drive the molded part to rotate, and cooperate with the detection camera (313) to detect defects on the surface of the molded part; 3): Then, the electric lifting rod (27) is started to fit the soft brush (25) to the mold surface. The third motor (21) drives the soft brush (25) to rotate and cooperates with the fan (216) to clean the impurities inside the mold. At the same time, the fourth motor (28) drives the screw (29) to rotate and drives the atomizing nozzle (211) to move back and forth to evenly spray the release agent to the inside of the mold to facilitate the subsequent demoulding process.

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