CN111060033A - Fabric prepreg bow and weft variation detection device and detection method - Google Patents
Fabric prepreg bow and weft variation detection device and detection method Download PDFInfo
- Publication number
- CN111060033A CN111060033A CN201911371163.XA CN201911371163A CN111060033A CN 111060033 A CN111060033 A CN 111060033A CN 201911371163 A CN201911371163 A CN 201911371163A CN 111060033 A CN111060033 A CN 111060033A
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- Prior art keywords
- light
- prepreg
- fabric prepreg
- fabric
- adjusting device
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H3/00—Inspecting textile materials
- D06H3/12—Detecting or automatically correcting errors in the position of weft threads in woven fabrics
Abstract
The invention belongs to the technical field of composite material manufacturing and detection, and particularly relates to a device and a method for detecting fabric prepreg bow and weft variation, wherein the device comprises a light emitting device, a light angle adjusting device, a detection device rack and a rack base fixing device, the light angle adjusting device is installed on the detection device rack, the light emitting device is connected with the light angle adjusting device, the light emitting end of the light emitting device faces towards prepreg fibers, the detection device rack is installed on the rack base fixing device, and the rack base fixing device is installed at a fixed position and can be used for detecting the straightness of the fibers in the prepreg production process.
Description
Technical Field
The invention particularly relates to the technical field of composite material manufacturing and detection, and particularly relates to a device and a method for detecting fabric prepreg bow and weft variation.
Background
At present, the application of the prepreg in the composite material industry is wider and wider, the function of a composite material part is wider and wider, the weight reduction function is gradually developed to the main bearing capacity and the special function of some key equipment such as airplanes, motor cars and the like, and the demand is gradually increased. As the composite material belongs to an anisotropic material, the mechanical properties of all parts in some key parts can meet high indexes, so that higher requirements are provided for the quality of the raw material prepreg, wherein the requirements include the distribution uniformity and the straightness of fibers in the prepreg.
In the conventional prepreg production process, the prepreg is inevitably deformed under the action of traction force in the process of passing through a traction device, partial fibers in the prepreg are likely to incline, distort and twist, and the conventional prepreg production process has no specific requirements on the straightness of the fibers and is correspondingly lack of an effective detection method and device.
Therefore, in view of the above-mentioned problems, it is desirable to provide a device and a method for detecting the warp and weft variation of a fabric prepreg.
Disclosure of Invention
The invention aims to provide a novel fabric prepreg bow latitude variation detection device to solve the problem that a detection method for fiber straightness in a prepreg production process is lacked in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a fabric prepreg bow-weft variation detection device which comprises a light emitting device, a light angle adjusting device, a detection device rack and a rack base fixing device, wherein the light angle adjusting device is installed on the detection device rack, the light emitting device is connected with the light angle adjusting device, a light emitting end of the light emitting device faces prepreg fibers, the detection device rack is installed on the rack base fixing device, and the rack base fixing device is installed at a fixed position.
Preferably, light emission device includes light emitter, light adjustment knob, light emitter installation piece and light emitter set screw, light adjustment knob installs light emitter's transmitting terminal, light emitter passes through light emitter set screw install on the light emitter installation piece, light emitter installation piece is installed on the light angle adjusting device.
Preferably, light angle adjusting device includes adjusting device set screw, adjusting device linking bridge, universal guiding mechanism and adjustment locking screw, adjusting device linking bridge card is established just install the fastening through adjusting device set screw in the detection device frame, universal guiding mechanism with adjusting device linking bridge connects, adjustment locking screw installs fasten on the universal guiding mechanism, light emitter installation piece with universal guiding mechanism connects.
Preferably, the detection device rack comprises a horizontal support, a vertical support and a support angle joint plate, the horizontal support and the vertical support are fixedly installed through the support angle joint plate, and the adjusting device connecting support is installed on the horizontal support.
Preferably, the rack base fixing device comprises a magnetic base and a magnetic knob switch, the magnetic knob switch is installed on the magnetic base, and the bottom end of the vertical support is detachably installed on the magnetic base.
Preferably, the magnetic base is provided with a base connecting angle plate, and the vertical support and the magnetic base are connected through the base connecting angle plate.
Preferably, the light emitting device and the light angle adjusting device have multiple groups.
Preferably, each surface of the horizontal bracket and each surface of the vertical bracket are provided with through grooves.
The invention also provides a method for detecting the fabric prepreg bow and weft variation, which comprises the following steps:
s1, placing a fabric prepreg bow latitude variation detection device at a fabric winding and unwinding position and/or at the back side of the winding and unwinding of the upper release paper, wherein the fabric prepreg is placed in a range to be detected at the fabric winding and unwinding position;
s2: adjusting the light angle adjusting device to enable the emitter of the light emitting device to be aligned to the fabric prepreg to be detected, and ensuring that several groups of parallel light rays with different prepreg fiber colors generated by the light emitting device can be parallel to fibers in the fabric prepreg;
s3: detecting fibers of the fabric prepreg, and in the initial stage, adjusting the distance between parallel light ray groups in the production process of the fabric prepreg so that the light rays can cover all the fibers; and in the subsequent stage, the distances of the light ray groups are respectively adjusted according to the quality requirement of the fabric prepreg.
Preferably, in step S3, when the fibers of the fabric prepreg exceed the range set by the light emitting device in the production process, the prepreg is determined to be unqualified, so that reasonable treatment measures are taken according to specific situations; in step S1, sets of parallel light lines with different distances are respectively installed at different positions of the prepreg production line according to the detection requirements.
Preferably, the light width is 0.5mm, the light distance is 12mm-15mm, the light wavelength is 650nm, and the production speed of the fabric prepreg is 4m/min-6 m/min.
The invention comprises at least the following effective benefit effects: the device can solve the problem that a fiber straightness detection method is not needed in the prepreg production process, and can detect the fiber straightness change of the prepreg through the light emitted by the light emitting device, so that the blank of no fiber straightness detection in the prepreg production process is filled; wherein universal guiding mechanism can adjust light emitter to any direction, and the device is simple easily dismouting.
Drawings
FIG. 1 is a schematic structural view of a fabric prepreg bow-weft variation detection device according to the present invention;
fig. 2 is a structural diagram of a light emitting device of the fabric prepreg weft-bow variation detecting device of the invention.
FIG. 3 is a structural diagram of a light angle adjusting device of the fabric prepreg weft bending variation detecting device of the present invention.
FIG. 4 is a frame structure diagram of a detecting device of the fabric prepreg weft-bow variation detecting device of the present invention.
Fig. 5 is a schematic view of a rack mount fixture.
FIG. 6 is a schematic view of the fabric prepreg warp and weft variation detecting device according to the present invention.
In the figure: 1. a light emitting device; 2. a light angle adjusting device; 3. a detection device frame; 4. a frame base fixing device; 101. a light emitter; 102. a light adjustment knob; 103. a light emitter mounting block; 104. the light emitter fixing screw; 201. the adjusting device fixes the screw; 202. the adjusting device is connected with the bracket; 203. a universal adjusting mechanism; 204. adjusting the locking screw; 301. a horizontal support; 302. a vertical support; 303. the bracket angle joint plate; 401. a magnetic base; 402. magnetic knob switch.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to fig. 1 to 6, in one aspect, the invention provides a device for detecting fabric prepreg bow-weft variation, which includes a light emitting device 1, a light angle adjusting device 2, a detecting device frame 3 and a frame base fixing device 4, wherein the light angle adjusting device 2 is installed on the detecting device frame 3, the light emitting device 1 is connected with the light angle adjusting device 2, a light emitting end of the light emitting device 1 faces prepreg fibers, the detecting device frame 3 is installed on the frame base fixing device 4, and the frame base fixing device 4 is installed at a fixed position.
The invention also provides a fabric prepreg bow weft variation detection method, which comprises the following steps:
s1, placing a fabric prepreg bow latitude variation detection device at a fabric winding and unwinding position and/or at the back side of the winding and unwinding of the upper release paper, wherein the fabric prepreg is placed in a range to be detected at the fabric winding and unwinding position;
s2: adjusting the light angle adjusting device to enable the emitter of the light emitting device to be aligned to the fabric prepreg to be detected, and ensuring that several groups of parallel light rays with different prepreg fiber colors generated by the light emitting device can be parallel to fibers in the fabric prepreg;
s3: detecting fibers of the fabric prepreg, and in the initial stage, adjusting the distance between parallel light ray groups in the production process of the fabric prepreg so that the light rays can cover all the fibers; and in the subsequent stage, the distances of the light ray groups are respectively adjusted according to the quality requirement of the fabric prepreg.
Preferably, in step S3, when the fibers of the fabric prepreg exceed the range set by the light emitting device in the production process, the prepreg is determined to be unqualified, so that reasonable treatment measures are taken according to specific situations; in step S1, sets of parallel light lines with different distances are respectively installed at different positions of the prepreg production line according to the detection requirements.
In the above embodiment, the light emitting device 1 generates several sets of parallel light different from the color of the prepreg fiber, the light angle adjusting device 2 makes the light set parallel to the fiber in the prepreg, and sets of parallel light sets with different distances are respectively installed at different positions of the prepreg production line according to the detection requirements, the distance of the light set can be adjusted to cover the whole fiber at the initial stage of the parallel light set in the prepreg production process, the distance of the light set can be adjusted respectively at the subsequent stage according to the quality requirements, and the prepreg is determined to have an unqualified phenomenon when the fiber exceeds the range of the light set in the production process, so that reasonable treatment measures are taken according to specific conditions.
Specifically, unreel the department at the fabric and install fixed 1 set of detection device and include 3 red light, light line width 0.5mm, light distance 12mm, light wavelength 650nm, at last from the fixed 1 set of detection device of type paper rolling rear side installation and include 2 red light, light line width 0.5mm, light distance 15mm, light wavelength 650 nm. The production speed of the prepreg is 3m/min, and the pass rate of the straightness detection of the bow and weft threads is 98% when the unreeling tension of the fabric is 100N; the prepreg production speed is 4m/min, and the bow and weft linearity detection qualification rate is 92% when the unwinding tension of the fabric is 120N.
Specifically, at fixed 1 set of detection device of fibre exhibition yarn rear side installation including 6 red light, light line width 0.5mm, light distance 6mm, light wavelength 650nm, at last from the fixed 1 set of detection device of type paper rolling rear side installation including 6 red light, light line width 0.5mm, light distance 7mm, light wavelength 650 nm. The prepreg production speed is 5m/min, and the yarn straightness detection qualified rate is 95% when the fiber unreeling tension is 1.8N; the prepreg production speed is 6m/min, and the bow and weft linearity detection qualification rate is 93% when the unwinding tension of the fabric is 1.8N.
Specifically, the light emitting device 1 includes a light emitter 101, a light adjusting knob 102, a light emitter mounting block 103 and a light emitter fixing screw 104, the light adjusting knob 102 is mounted at the emitting end of the light emitter 101, the light emitter 101 is mounted on the light emitter mounting block 103 through the light emitter fixing screw 104, and the light emitter mounting block 103 is mounted on the light angle adjusting device 2.
Specifically, the light angle adjusting device 2 includes an adjusting device fixing screw 201, an adjusting device connecting bracket 202, a universal adjusting mechanism 203 and an adjusting locking screw 204, the adjusting device connecting bracket 202 is clamped on the detecting device frame 3 and is installed and fastened through the adjusting device fixing screw 201, the universal adjusting mechanism 203 is connected with the adjusting device connecting bracket 202, the adjusting locking screw 204 is installed on the universal adjusting mechanism 203 for fastening, the light emitter installing block 103 is connected with the universal adjusting mechanism 203, two ends of the universal adjusting mechanism are simply ball-hinged and are composed of two sheets and two ball blocks, two ends of a single sheet are provided with holes for clamping the ball blocks, the two sheets are provided with the ball blocks for one set, the two sheets are locked by the holes for clamping the ball blocks, the adjusting locking screw 204 locks the two sheets, and the universal adjusting mechanism 203 can rotate freely, and the structure is simple and easy to install.
Specifically, the detection device rack 3 includes a horizontal bracket 301, a vertical bracket 302, and a bracket angle joint plate 303, the horizontal bracket 301 and the vertical bracket 302 are fixed by the bracket angle joint plate 303, and the adjustment device connecting bracket 202 is installed on the horizontal bracket 301.
Specifically, the rack base fixing device 4 includes a magnetic base 401 and a magnetic knob switch 402, the magnetic knob switch 402 is installed on the magnetic base 401, and the bottom end of the vertical support 302 is detachably installed on the magnetic base 401.
Specifically, a base connection angle plate is further included, and the vertical support 302 and the magnetic base 401 are connected through the base connection angle plate.
Specifically, there are multiple sets of the light emitting device 1 and the light angle adjusting device 2, and the light emitting device and the light angle adjusting device can be used for detecting prepregs with different models.
Specifically, each of the horizontal bracket 301 and the vertical bracket 302 has a through groove, and the light angle adjusting device is convenient to disassemble and assemble by utilizing the through grooves.
To sum up, the application provides a fabric preimpregnation material bow latitude variation detection device and detection method, through concrete example test, has following advantage:
1. this device can detect to the different quality demands of different preimpregnation materials.
2. The device is convenient to mount, fix and dismount, and is suitable for different occasions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a fabric preimpregnation material bow latitude change amount detection device, its characterized in that, includes light emission device, light angle adjusting device, detection device frame and frame base fixing device, light angle adjusting device installs in the detection device frame, light emission device with light angle adjusting device connects, light emission device's light emission end is towards preimpregnation material fibre, the detection device rack-mount be in frame base fixing device, frame base fixing device installs in fixed department.
2. The device for detecting the warp weft variation of the fabric prepreg according to claim 1, wherein: light emitter includes light emitter, light adjustment knob, light emitter installation piece and light emitter set screw, light adjustment knob is installed light emitter's transmitting terminal, light emitter passes through light emitter set screw is installed on the light emitter installation piece, light emitter installation piece is installed on the light angle adjusting device.
3. The device for detecting the warp weft variation of the fabric prepreg according to claim 2, wherein: light angle adjusting device includes adjusting device set screw, adjusting device linking bridge, universal guiding mechanism and adjustment locking screw, adjusting device linking bridge card is established just install the fastening through adjusting device set screw in the detection device frame, universal guiding mechanism with the adjusting device linking bridge is connected, adjustment locking screw installs fasten on the universal guiding mechanism, light emitter installation piece with universal guiding mechanism connects.
4. The device for detecting the warp weft variation of the fabric prepreg according to claim 3, wherein: the detection device rack comprises a horizontal support, a vertical support and a support angle joint plate, the horizontal support and the vertical support are fixedly installed through the support angle joint plate, the adjusting device connecting support is installed on the horizontal support, and penetrating grooves are formed in each surface of the horizontal support and each surface of the vertical support.
5. The device for detecting the warp weft variation of the fabric prepreg according to claim 1, wherein: the rack base fixing device comprises a magnetic base and a magnetic knob switch, the magnetic knob switch is installed on the magnetic base, and the bottom end of the vertical support is detachably installed on the magnetic base.
6. The device for detecting the warp weft variation of the fabric prepreg according to claim 5, wherein: the magnetic base is connected with the vertical support through the base connection angle plate.
7. The device for detecting the warp weft variation of the fabric prepreg according to claim 1, wherein: the light emitting device and the light angle adjusting device are provided with a plurality of groups.
8. A fabric prepreg weft bending variation detection method is characterized by comprising the following steps:
s1, placing a fabric prepreg bow latitude variation detection device at a fabric winding and unwinding position and/or at the back side of the winding and unwinding of the upper release paper, wherein the fabric prepreg is placed in a range to be detected at the fabric winding and unwinding position;
s2: adjusting the light angle adjusting device to enable the emitter of the light emitting device to be aligned to the fabric prepreg to be detected, and ensuring that several groups of parallel light rays with different prepreg fiber colors generated by the light emitting device can be parallel to fibers in the fabric prepreg;
s3: detecting fibers of the fabric prepreg, and in the initial stage, adjusting the distance between parallel light ray groups in the production process of the fabric prepreg so that the light rays can cover all the fibers; and in the subsequent stage, the distances of the light ray groups are respectively adjusted according to the quality requirement of the fabric prepreg.
9. The method for detecting the fabric prepreg bowing variation according to claim 8, wherein: in step S3, when the fiber of the fabric prepreg exceeds the set range of the light emitting device in the production process, the prepreg is determined to be unqualified, so that reasonable treatment measures are taken according to specific conditions; in step S1, sets of parallel light lines with different distances are respectively installed at different positions of the prepreg production line according to the detection requirements.
10. The method for detecting the fabric prepreg bowing variation according to claim 8, wherein: the light width is 0.5mm, the light distance is 12mm-15mm, the light wavelength is 650nm, and the production speed of the fabric prepreg is 4m/min-6 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911371163.XA CN111060033A (en) | 2019-12-27 | 2019-12-27 | Fabric prepreg bow and weft variation detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911371163.XA CN111060033A (en) | 2019-12-27 | 2019-12-27 | Fabric prepreg bow and weft variation detection device and detection method |
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Application publication date: 20200424 |
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