CN217807644U - Carbon fiber prepreg cuts apparatus for producing - Google Patents
Carbon fiber prepreg cuts apparatus for producing Download PDFInfo
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- CN217807644U CN217807644U CN202220961462.XU CN202220961462U CN217807644U CN 217807644 U CN217807644 U CN 217807644U CN 202220961462 U CN202220961462 U CN 202220961462U CN 217807644 U CN217807644 U CN 217807644U
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- roller
- winding
- unwinding
- tension
- slitting
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 40
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 40
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000004804 winding Methods 0.000 claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The utility model relates to a apparatus for producing is cut to carbon fiber prepreg, include initiative unwinding mechanism, deviation correcting device, unreel tension detection device, cut device, rolling tension detection device, draw gear, PE membrane A, B winding mechanism, rolling car cylinder push rod, prepreg tape A, B winding mechanism. The slitting production device for the carbon fiber prepreg and the PE film can control the linear speed, the tension, the deviation correction and the winding angle of product production, realize the production of a good end face and fixed length broadband prepreg tape product, and lay a practical foundation for further developing domestic narrow-band prepreg tape slitting equipment.
Description
Technical Field
The utility model belongs to the field is cut to carbon fiber preimpregnation material, especially a apparatus for producing is cut to carbon fiber preimpregnation material.
Background
The carbon fiber prepreg is also called carbon fiber prepreg cloth, and is a composite material processed by carbon fiber yarns, epoxy resin, release paper and other materials through the processes of coating, hot pressing, cooling, laminating, coiling and the like.
The prepreg classification can be divided into unidirectional prepregs and fabric prepregs according to the physical form of the reinforcement; the prepregs are classified according to width, wherein the prepregs have a width (more than 50 mm) and a narrow band (3.175 mm-50 mm);
the existing slitting equipment is used for slitting a film material or a non-woven fabric, and the accuracy of controlling a cutter and pressure is not high due to the fact that the material is easy to cut. Carbon fiber prepreg adopts current scheme to cut, cuts easily imperviously and appears deckle edge easily, blade loss big scheduling problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a carbon fiber preimpregnation material cuts apparatus for producing.
Realize the utility model discloses purpose technical scheme does:
a carbon fiber prepreg slitting production device comprises a driving unwinding device, a deviation correcting device, an unwinding roller set, an unwinding tension detection device, a slitting device, a PE film A and B winding mechanism (76.2 mm), a traction device, a winding tension detection device, a winding vehicle air cylinder push rod, prepreg tape A and B winding mechanisms (150 mm and 300 mm) and a guide rail;
the active unwinding mechanism is arranged in front of the unwinding tension detection device; adjusting the speed of an unwinding servo motor according to the set tension and the speed of a traction device, keeping constant rotating speed after the set tension is reached, wherein the acceleration and deceleration tension control principles are the same; the deviation correcting device is arranged between the active unwinding mechanism and the unwinding tension detecting device and arranged on the unwinding roller set;
the active unwinding mechanism clamps the paper tube through the left and right deviation rectifying cylinders, and can set the direction of the servo motor according to the unwinding direction; the bottom of the unwinding roller group is provided with a sliding rail controlled by a cylinder, and the wrap angle between the unwinding roller group and a first guide roller is adjusted to control tension;
the slitting device is arranged behind the tension detection device and in front of the traction device and comprises a knife group roller and a groove group roller, specifically a mechanical circular knife roller and a groove roller I, a mechanical flat knife roller and a groove roller II, the slitting device presses down the knife group roller and the groove group roller to contact with each other through a gear, and the slitting device is driven by a chain connected with the groove group roller to synchronously rotate with the traction wheel;
the traction device is arranged between the slitting device and the winding tension detection device and comprises a steel rod and a rubber roller, and one end of the rubber roller is connected with the servo motor through a chain and is a fixed roller; the steel rod is jacked up by the air cylinder and is extruded by the rubber roller, so that traction force is provided for the middle carbon fiber prepreg; the traction device traction roller is used for separating unwinding tension and winding tension of the device, and can freely adjust front and back tension in a range;
the winding mechanisms of the PE films A and B are arranged on two sides of the traction device;
the winding mechanisms of the prepreg tapes A and B are arranged behind the winding tension detection device and are positioned at the tail end of the device, and the winding mechanisms of the prepreg tapes A and B are connected with a cylinder push rod of a winding vehicle and can move on a guide rail.
The active unwinding mechanism controls the unwinding air expansion chuck to clamp the paper tube through the left deviation rectifying cylinder and the right deviation rectifying cylinder, and the unwinding air expansion chuck comprises two chucks of 76.2mm or 304.8m, so that the requirements of the paper tubes with two sizes are met.
The cutting device is divided into circular cutter cutting and flat cutter cutting aiming at carbon fiber prepreg and soft film coil stock; the angle and the pressure of pressing down are that the manual rocker on one side rotates to drive the cutter set roller to rotate, and meanwhile, a shifting lever is arranged at the axial end part of the cutter set roller and is used for fine adjustment of the relative position of the cutter set roller and the cell bank roller by adjusting the left-right movement of the cutter set roller, and the fine adjustment distance is 2mm.
The mechanical circular knife roller and the grooved roller I can be replaced by a pneumatic circular knife roller and a smooth roller.
The winding mechanisms of the PE films A and B are inflatable shafts, and the shafts A and B can be independently controlled, and taper tension is controlled to wind the film material; the winding speed of the winding mechanism of the prepreg tape A and the winding speed of the prepreg tape B are set according to technological parameters, the A shaft and the B shaft can be independently controlled and can be automatically adjusted according to the winding tension and the taper.
The cylinder and the guide rail are used for reducing the distance between the winding roller and the tension roller in the winding angle production process, reducing the wrap angle of winding, reducing the damage of the winding to materials and improving the tension stability.
The human-computer interface adopts a human-computer interface in a PLC centralized controller system and is arranged behind the winding mechanisms of the prepreg tapes A and B.
The two sets of the winding tension detection devices are distributed on the two staggered rolling shafts and used for winding a product after cutting on the two rollers A and B of the winding mechanisms of the prepreg tapes A and B by the upper layer and the lower layer of the tension detection rollers through the two sets of the tension detection devices, the two sets of the tension detection devices ensure that the product under different wrap angles can be stably wound, and the winding wrap angle is 5-30 degrees.
The active unwinding device is provided with an unwinding moving device for changing the unwinding direction, and comprises two cylinders and a hinge, so that the feeding can be moved.
And the traction device is provided with a meter counting device for measuring the rotating speed of the traction roller and the length of the prepreg tape.
Compared with the prior art, the utility model, it is showing the advantage as follows:
(1) The utility model discloses a carbon fiber prepreg cuts device can realize cutting of carbon fiber prepreg, PE membrane.
(2) Carbon fiber initiatively unreels and visual identification rectifies, has guaranteed material loading convenience, equipment backing-off constant tension, material backing-off collimation degree, guarantees the material and cuts the steady state before, reduces the damage of carbon fiber.
(3) The combination of the slitting device, the cutter and the pressure is suitable for rich materials.
(4) The winding device comprises 76.2mm, 150mm and 300mm diameters, and is provided with an independent control device, a double-tension detection device, a taper tension device and a composite material inflatable device, so that tension control can be stabilized, and the quality of a winding end face, the degree of locking and the like can be guaranteed.
Drawings
Fig. 1 the utility model discloses a device schematic diagram is cut to carbon fiber prepreg.
Fig. 2 the utility model discloses an unwinding deviation correcting and clamping device schematic diagram.
Figure 3 the utility model discloses a cut roller set sketch map.
Figure 4 the utility model discloses a cut roller set sketch map.
Description of reference numerals:
FIG. 1 the utility model discloses carbon fiber prepreg cuts device schematic diagram.
The method comprises the following steps of 1-an active unwinding device, 2-a deviation correcting device, 3-an unwinding roller set, 4-an unwinding tension detection device, 5-an unwinding moving device, 6-a slitting device, 7-a PE film A and B winding mechanisms (76.2 mm), 8-a traction device, 9-a meter rice device, 10-a winding tension detection device, 11-a winding vehicle air cylinder push rod, 12-prepreg tape A and B winding mechanisms (150 mm and 300 mm), 13-a guide rail and 14-a human-computer interface.
Fig. 2 the utility model discloses backing-off is rectified and clamping device schematic diagram.
15-unwinding air-expanding shaft chucks (76.2 mm and 300 mm) and 16-deviation rectifying air cylinders.
Figure 3 the utility model discloses cut roller set sketch map.
17-mechanical round knife roller, 18-grooved roller I, 19-flat knife roller and 20-grooved roller II.
Figure 4 is a schematic view of a (further) slitting roller set of the present invention.
21-pneumatic circular knife roller, 22-smooth roller.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an object of the utility model is to provide a production device is cut to carbon fiber prepreg, including 1-initiative unwinding device, 2-deviation correcting device, 3-unwinding roller group, 4-unreel tension detection device, 5-unreel the mobile device, 6-cut the device, 7-PE membrane A, B winding mechanism (76.2 mm), 8-draw gear, 9-meter rice device, 10-rolling tension detection device, 11-rolling car cylinder push rod, 12-preimpregnation area A, B winding mechanism (150 mm, 300 mm), 13-guide rail, 14-human-computer interface.
The carbon fiber prepreg slitting production device comprises a 1-active unwinding device, a 6-slitting device, a 12-prepreg tape A and B winding mechanism (150 mm and 300 mm) and the like. The high-speed winding machine is fixed on a 10cm high steel platform through a steel frame structure, production personnel install slitting knives according to fixed intervals in advance, unwinding tension is set through a human-computer interface 14, and the traction speed, the winding tension and the position of a winding vehicle are adjusted. And (4) penetrating according to a penetrating route, and peeling off the PE film by using a winding mechanism A and a winding mechanism B of the PE film in advance before slitting. After the gap between the steel wheel and the silica gel wheel of the traction device 8 is adjusted, the traction material is cut. And correspondingly rolling the paper to a winding roller 12 through the tension detection devices 10 at different heights. The tension change conditions of unreeling, PE reeling and reeling need to be concerned in the reeling process and adjusted in time. The quality of the cut and rolled end faces of the material is concerned in the whole process. The active unwinding mechanism 1 adjusts the unwinding speed through the tension change of the unwinding tension detection device 4, and realizes that the unwinding reaches a set value and is constant; the active unwinding mechanism 1 clamps a paper tube through a left deviation rectifying cylinder and a right deviation rectifying cylinder 16, is provided with two chucks of 76.2mm or 304.8m, and unwinds and holds a roll-shaped product with the inflatable shaft 15, wherein the diameter of the roll-shaped product is 76-80mm, the diameter of the roll-shaped product is 300-306mm, the length of the roll-shaped product is 600-1500mm, and the roll-shaped product passes through a vision recognition system deviation rectifier and 4 hard chromium-plated steel rollers with the diameter of 100 mm. The first support is provided with a deviation rectifier for controlling unwinding collimation; two ends of the second branch are provided with cantilever type sensors which are linked with the unwinding speed to adjust the unwinding tension, and the tension range is 0-800N; the third and fourth routes can change different paper-penetrating wrap angles and are respectively designed for materials with different hardness. The unwinding wheel can translate and actively rotate forward and backward by an XYZ three-coordinate system, so that the product can be conveniently fed, and the unwinding direction, the wrap angle and the like can be adjusted.
The slitting device comprises a mechanical circular knife roller 17, a first grooved roller 18, a mechanical flat knife roller 19, a second grooved roller 20, a pneumatic circular knife roller 21 and a smooth roller 22, materials are cut by a mechanical pressurizing cutter, the width of the grooved roller is reserved to be 2mm, the cutting depth is avoided, and the cutter is protected; or the cutting tool is pressed down to a certain depth, and the cutting force is changed by controlling the pressure of compressed air.
The utility model discloses a cut device 6, before draw gear 8, including circular knife and flat sword, the circular knife can be used for cutting from type paper and preimpregnation material, and the flat sword is used for flexible material such as PE membrane. There are also two pressure modes, mechanical pressure (realized by the mechanical circular knife roller 17 and the grooved roller 18) and pneumatic pressure (realized by the dynamic circular knife roller 21 and the smooth roller 22). Three were combined: mechanical pressure and a circular cutter are matched with a 2mm groove, and pressure is applied through manually rotating a gear at one end, so that the combination is high in slitting speed, a certain amount of burrs are generated, and the loss of blades is low; the pneumatic pressure and the circular cutter apply pressure through compressed air, the air pressure range is 2-8bar, the trimming is neat, the precision is high, and the loss of consumables such as blades is large. And cutting the PE film by mechanical pressure and a flat cutter in cooperation with a 2mm groove. The cutting width range is influenced by the width of the clamping component, the cutting range is 15-1280 mm, and the cutting precision is +/-1 mm.
The winding mechanisms (150 mm and 300 mm) 12 of the prepreg tapes A and B realize dynamic adjustment of tension and speed in the winding process through the guide roller of the tape tension detection device 10 which is misplaced up and down. Meanwhile, the winding device can set the conicity value of the winding tension, and the tension stability in the process is realized.
The winding mechanism 12 of the prepreg tape A and B of the utility model is positioned at the end of the equipment. And the two winding rollers are used for winding the broadband carbon fiber prepreg tape.
And cylinders are arranged on the tension detection device and the winding device and used for changing the distance of the winding device to realize the adjustment of the winding wrap angle.
The diameter of the wind-up roll is 150, the wind-up roll is 300, the wind-up roll can be replaced with each other, the wind-up roll is suitable for +3 mm and +6mm inner paper tubes, the wind-up roll is fixed in an air expansion shaft mode, and the material is made of composite materials so as to reduce the replacement difficulty. The winding speed of the device is 0.5-30 m/min, and the winding angle is 15-30 degrees.
The control system has the advantages that the slitting data are input through the liquid crystal touch screen according to the slitting process requirements, the working state and the working data are displayed, the control system has the functions of stable tension, starting buffering, stopping looseness prevention, fixed-length slitting and the like, and the operation is very simple and convenient. Because the winding and unwinding are respectively controlled by the multiple servo motors, the winding tension can be more stably controlled.
The partial structure of the utility model is set as follows
The meter counting device 9 can perform length zero clearing and length setting equipment stop in real time.
And the human-computer interaction interface 14 sets all parameters in the production process and feeds back alarm and production information.
The carbon fiber prepreg slitting device can realize slitting of carbon fiber prepregs and PE films, the overall dimension is 5000 multiplied by 2000 multiplied by 1200mm, the active unwinding device is used for controlling the interval to be 600-1500mm, the PE films with the cylinder diameters of 76-80mm and the carbon fiber prepregs with the cylinder diameters of 300-306mm can be installed, the unwinding tension range is 0-800N, and the deviation rectification precision is +/-1 mm.
The unwinding roller group 3 is 1600mm long and 100mm in diameter, is plated with hard chrome, and unwinding paths with different wrap angles are selected according to the hardness of materials.
And a winding mechanism 7 (76.2 mm) for the PE films A and B, wherein before slitting, the PE films are wound or other soft materials are slit and then wound, the diameter is 76-80mm, the length is 1600mm, the PE films are independently wound, and the tension is controlled by the taper.
The winding mechanism (150 mm, 300 mm) of the prepreg tapes A and B, the carbon fiber prepreg tapes are wound after being cut, the diameter is 150-154mm, the length is 300-306mm, the length is 1500mm, the carbon fiber prepreg tapes can be independently wound, two tension control mechanisms of taper control tension and tension linkage are provided, and the winding speed is 0.5-30 m/min.
In the specific implementation process, the personnel are responsible for replacing and unreeling, setting the process parameters such as tension, slitting pressure and width, production speed and production length, pre-pasting and reeling of finished products and replacing reels, and two persons can stably operate.
Claims (10)
1. A carbon fiber prepreg slitting production device is characterized by comprising a driving unwinding device (1), a deviation correcting device (2), an unwinding roller set (3), an unwinding tension detection device (4), a slitting device (6), a PE film A and B winding mechanism (7), a traction device (8), a winding tension detection device (10), a winding vehicle air cylinder push rod (11), a prepreg tape A and B winding mechanism (12) and a guide rail (13);
the active unwinding device (1) is arranged in front of the unwinding tension detection device (4); adjusting the speed of an unwinding servo motor according to the set tension and the speed of a traction device, keeping constant rotating speed after the set tension is reached, wherein the acceleration and deceleration tension control principles are the same; the deviation correcting device (2) is arranged between the active unwinding device (1) and the unwinding tension detection device (4), and the deviation correcting device (2) is arranged on the unwinding roller set (3);
the active unreeling device (1) clamps a paper tube through two deviation rectifying cylinders (16) on two sides, and the direction of a servo motor can be set according to the unreeling direction; the bottom of the unwinding roller group is provided with a sliding rail which is controlled by an air cylinder, and the wrap angle between the unwinding roller group (3) and a first guide roller is adjusted to control the tension;
the slitting device (6) is arranged behind the tension detection device (4) and in front of the traction device (8) and comprises knife group rollers (17 and 19) and groove group rollers (18 and 20), in particular to a mechanical circular knife roller (17) and a groove roller I (18), a mechanical flat knife roller (19) and a groove roller II (20), the slitting device (6) is pressed downwards, the knife group rollers and the groove group rollers are in gear contact, and the slitting device (6) is driven by a chain connected with the groove group rollers to synchronously rotate with a traction wheel;
the traction device (8) is arranged between the slitting device (6) and the winding tension detection device (10) and comprises a steel rod and a rubber roller, and one end of the rubber roller is connected with a servo motor through a chain and is a fixed roller; the steel rod is jacked up by the air cylinder and is extruded by the rubber roller, so that traction force is provided for the middle carbon fiber prepreg; the traction device (8) is used for separating the unwinding tension and the winding tension of the device, and can freely adjust the front tension and the rear tension within the range;
the winding mechanisms (7) of the PE films A and B are arranged on two sides of the traction device (8);
the winding mechanism (12) of the prepreg tapes A and B is arranged behind the winding tension detection device (10) and is positioned at the tail end of the device, and the winding mechanism (12) of the prepreg tapes A and B is connected with a cylinder push rod (11) of a winding vehicle and can move on a guide rail (13).
2. The carbon fiber prepreg slitting production device according to claim 1, wherein the active unwinding device (1) controls the unwinding inflatable chuck (15) to clamp the paper tube through the left and right deviation-correcting cylinders (16), and the unwinding inflatable chuck (15) comprises two chucks of 76.2mm or 304.8m, so that the requirements of paper tubes of two sizes are met.
3. The carbon fiber prepreg slitting production device according to claim 1, wherein the slitting device (6) divides carbon fiber prepreg and a flexible film roll into circular cutter slitting and flat cutter slitting; the angle and the pressure of pushing down are that the manual rocker of one side is rotatory to drive the knife tackle roller rotatory, take the driving lever at knife tackle roller axial tip simultaneously, remove about through adjusting the knife tackle roller for the fine setting of the relative position of knife tackle roller and bank of cells roller, the fine setting distance is 2mm.
4. The carbon fiber prepreg slitting production device according to claim 1, wherein the mechanical circular knife roller (17) and the grooved roller I (18) can be replaced by a pneumatic circular knife roller (21) and a smooth roller (22).
5. The carbon fiber prepreg slitting production device according to claim 1, wherein the winding mechanisms (7) of the PE films A and B are air expansion shafts, and the shafts A and B can be independently controlled and controlled in taper tension to wind the film material; the winding speed of the winding mechanism (12) of the prepreg tape A and the prepreg tape B is set according to technological parameters, and the two shafts A and B can be independently controlled and automatically adjusted according to winding tension and taper.
6. The carbon fiber prepreg slitting production device according to claim 1, wherein the cylinder (16) and the guide rail (13) are used for reducing the winding angle, prolonging the distance between the winding roller and the tension roller in the production process, reducing the wrap angle of winding, reducing the damage of the winding to materials and improving the tension stability.
7. The carbon fiber prepreg slitting production device according to claim 1, wherein the human-machine interface (14) is a human-machine interface in a PLC centralized controller system and is arranged behind the winding mechanisms (12) of the prepreg tapes A and B.
8. The carbon fiber prepreg slitting production device according to claim 1, wherein two sets of winding tension detection devices (10) are distributed on two staggered rollers and used for winding a product after slitting on an upper layer and a lower layer through tension detection rollers on two rollers A and B of a winding mechanism (12) of a prepreg tape A and a prepreg tape B, and the two sets of tension detection devices ensure that the product under different wrap angles can be stably wound, and the winding wrap angle is 5-30 degrees.
9. The carbon fiber prepreg slitting production device according to claim 1, wherein the active unwinding device (1) is provided with an unwinding moving device (5) for changing an unwinding direction, and the unwinding moving device comprises two cylinders and a hinge, and can realize feeding movement.
10. A carbon fiber prepreg slitting production device according to claim 1, characterized in that a length-counting device (9) is provided on the pulling device (8) for measuring the rotation speed of the pulling roll and measuring the prepreg tape length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961462.XU CN217807644U (en) | 2022-04-24 | 2022-04-24 | Carbon fiber prepreg cuts apparatus for producing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961462.XU CN217807644U (en) | 2022-04-24 | 2022-04-24 | Carbon fiber prepreg cuts apparatus for producing |
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| CN217807644U true CN217807644U (en) | 2022-11-15 |
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| CN202220961462.XU Active CN217807644U (en) | 2022-04-24 | 2022-04-24 | Carbon fiber prepreg cuts apparatus for producing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443639A (en) * | 2023-05-09 | 2023-07-18 | 中国科学院宁波材料技术与工程研究所 | Thermoplastic prepreg sheet trimming and surface defect detecting and labeling device |
-
2022
- 2022-04-24 CN CN202220961462.XU patent/CN217807644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443639A (en) * | 2023-05-09 | 2023-07-18 | 中国科学院宁波材料技术与工程研究所 | Thermoplastic prepreg sheet trimming and surface defect detecting and labeling device |
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