CN113203356A - Circular plate shape detection device for light guide plate processing and detection method thereof - Google Patents
Circular plate shape detection device for light guide plate processing and detection method thereof Download PDFInfo
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- CN113203356A CN113203356A CN202110487403.3A CN202110487403A CN113203356A CN 113203356 A CN113203356 A CN 113203356A CN 202110487403 A CN202110487403 A CN 202110487403A CN 113203356 A CN113203356 A CN 113203356A
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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- G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
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Abstract
The invention discloses a circular plate appearance detection device for processing a light guide plate, which belongs to the technical field of light guide plate processing and comprises a base, wherein lifting components are fixed at four corners of the upper side of the base, a bracket is fixed at the output end of each lifting component, a circular top cover is connected between the brackets at two sides, the circular top cover is in an inverted circular groove shape, an annular rail is arranged on the upper surface of the base, the circular top cover and the annular rail are concentrically arranged with a circular standard component, a rail sliding block is slidably clamped on the annular rail, a telescopic limiting mechanism is fixed at the top end of the rail sliding block, the annular detection block and the annular reference block are in the same shape, the appearance of a circular electronic product plate can be automatically detected, whether the appearance is qualified or not can be detected, an alarm can be automatically given when a defective product is detected, and a worker can be timely reminded, the detection precision is high, and the detection efficiency of the circular plate is greatly improved.
Description
Technical Field
The invention relates to the technical field of light guide plate processing, in particular to a circular plate shape detection device for light guide plate processing and a detection method thereof.
Background
The light guide plate is characterized in that light guide points are printed on the bottom surface of an optical acrylic plate by using an optical acrylic/PC plate and then using a high-tech material with extremely high refractive index and no light absorption through laser engraving, V-shaped cross grid engraving and UV screen printing technologies. The optical-grade acrylic sheet is used for absorbing the light emitted from the lamp to stay on the surface of the optical-grade acrylic sheet, when the light irradiates each light guide point, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate. The light guide plate can uniformly emit light through various light guide points with different densities and sizes. The reflecting sheet is used for reflecting the light exposed from the bottom surface back to the light guide plate so as to improve the use efficiency of the light; under the condition of equal area brightness, the luminous efficiency is high and the power consumption is low. The single-sided microstructure array light guide plate is generally manufactured by an extrusion molding process.
In the course of working that carries out circular light guide plate, often need detect the appearance size of circular light guide plate, current detection mode mostly detects with template standard component, and not only detection efficiency is low, and it is also not high to detect the precision, can not satisfy large batch processing demand.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a circular plate shape detection device for processing a light guide plate, which can automatically detect the shape of a circular electronic product plate, detect whether the shape is qualified or not, automatically alarm when detecting a unqualified product, timely remind workers, and greatly improve the detection efficiency of the circular plate, and has high detection precision.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A circular plate appearance detection device for processing a light guide plate comprises a base, wherein lifting components are fixed at four corners of the upper side of the base, a support is fixed at the output end of each lifting component, a circular top cover is connected between the supports at two sides, the circular top cover is in an inverted circular groove shape, a plurality of groups of limiting columns and rubber pad feet are fixed on the upper surface of the base, a circular standard part is supported on the plurality of groups of rubber pad feet, a circular to-be-detected part is concentrically arranged on the upper side of the circular standard part, a plurality of positioning holes are correspondingly formed in the circular standard part and the circular to-be-detected part, the limiting columns are correspondingly inserted in the positioning holes, an annular rail is arranged on the upper surface of the base, the circular top cover and the annular rail are arranged in the same circle center as the circular standard part, a rail sliding block is slidably clamped on the annular rail, and a telescopic limiting mechanism is fixed at the top end of the rail sliding block, one end of the telescopic limiting mechanism close to the limiting column is connected with a U-shaped frame, a rotating shaft is vertically inserted in the U-shaped frame, an annular reference block and an annular detection block which are coaxially arranged are fixed on the outer wall of the rotating shaft, the shape of the annular detection block is the same as that of the annular reference block, the annular reference block is attached to the outer wall of the circular standard component, the annular detection block is attached to the outer wall of the circular component to be detected, the top end of the rotating shaft penetrates through the upper side wall of the U-shaped frame, the top end of the rotating shaft is connected with an installation block, a conducting ring is fixed on the inner side wall of the circular top cover, an arc conducting plate is fixed on one side of the installation block close to the conducting ring, a built-in power supply is installed inside the installation block, a gap is reserved between the arc conducting plate and the conducting ring, an audible and visual alarm is fixed on the upper surface of the circular top cover, and when the arc conducting ring is attached, the built-in power supply and the audible and visual alarm form a closed loop. The appearance that this scheme can realize automatic circular electronic product panel detects, detects whether the appearance is qualified, and can report to the police automatically when detecting out the defective work, in time reminds the staff, detects the precision height, great improvement circular panel's detection efficiency.
Furthermore, the lifting component is a small air cylinder or a small hydraulic cylinder, and a lifting switch for controlling the lifting component to lift synchronously is mounted on the side wall of the base. The air cylinder or the hydraulic cylinder is adopted to work synchronously to drive the support to lift, the work is stable, the stability is good, and the detection precision is effectively guaranteed.
Furthermore, be equipped with the actuating mechanism that the drive track sliding block moved a week along the annular track on the track sliding block, install the start button that is used for controlling actuating mechanism and opens and stop on the lateral wall of base.
Furthermore, flexible stop gear includes an outer spacing section of thick bamboo, the inside interior spacing section of thick bamboo that pegs graft of outer spacing section of thick bamboo has coaxial setting, the open end of outer spacing section of thick bamboo is connected with spacingly, the one end that interior spacing section of thick bamboo is located outer spacing section of thick bamboo inside is fixed with the spacing cardboard, the external diameter of spacing cardboard is greater than spacing internal diameter, be connected with compression spring between the interior bottom of spacing cardboard and outer spacing section of thick bamboo. Utilize interior spacing section of thick bamboo joint outside spacing section of thick bamboo inside carry out the spacing of horizontal direction to the U-shaped frame to utilize spacing and spacing cardboard to carry on spacingly to the internal spacing section of thick bamboo, avoid the U-shaped frame to produce the deflection of vertical direction, effectively improve and detect the precision.
Further, a plurality of spherical grooves which are uniformly distributed in an annular shape are formed in the inner limiting wall, each spherical groove is filled with a ball, and the ball is attached to the outer wall of the inner limiting cylinder. Set up spherical groove and ball, the frictional resistance that a spacing section of thick bamboo received when outside spacing section of thick bamboo inside removal in great reduction avoids the dead phenomenon of card to take place.
Furthermore, bearings are arranged at the contact positions of the rotating shaft and the side walls of the upper side and the lower side of the U-shaped frame. The bearing is arranged to enable the rotating shaft to freely rotate on the U-shaped frame, and jamming is avoided in the rotating process.
Furthermore, the annular detection block comprises an annular shell fixedly sleeved on the outer wall of the rotating shaft, a sealing ring is stuck at the contact position of the annular shell and the rotating shaft, an annular paint box is arranged in the annular shell, easy-to-wipe pigment is filled in the annular pigment box, an annular sponge cushion is filled between the annular pigment box and the annular shell, a plurality of absorbent sponges are fixed on the inner wall of one side of the annular sponge mat close to the annular paint box, the absorbent sponges are communicated with the inside of the annular paint box, a plurality of annular through holes are arranged on the circumferential side wall of the annular shell, a plurality of annular sponge bulges are fixed on the circumferential side wall of the annular sponge cushion close to the annular shell, the annular sponge bulges and the annular through holes are arranged in a one-to-one correspondence manner, and the annular sponge bulge is inserted into the annular through hole, and the end part of the annular sponge bulge is flush with the circumferential outer wall of the annular shell. The inside easy wiping aqueous pigment that fills of annular paintbox, and utilize annular foam-rubber cushion absorption pigment to leave the vestige on the circular piece of waiting to detect, annular foam-rubber cushion can avoid causing hard contact with the edge that the circular piece of waiting to detect and lead to the fact wearing and tearing, and annular foam-rubber cushion possesses the hydroscopicity of preferred, avoids aqueous pigment to fall to cause the waste.
Furthermore, the built-in power supply inside the mounting block is a dry battery, and a battery cover convenient for battery replacement is mounted on the side wall of the mounting block. The dry battery is used for supplying power to the audible and visual alarm, so that the cost is low and the replacement is convenient.
Furthermore, a plurality of pressing assemblies are fixed on the lower surface of the circular top cover, each pressing assembly is an electric push rod, the bottom end of each pressing assembly is connected with a rubber pressing plate, and a plurality of conical bulges which are uniformly distributed are integrally formed on the lower surface of each rubber pressing plate. Utilize to compress tightly the subassembly and can wait to detect a circular and circular standard component and compress tightly, avoid circular waiting to detect a circular and circular standard component and produce to rock the influence and detect the precision, rubber clamp plate can avoid waiting to detect the surface of a circular piece and cause mechanical damage.
Further, the detection method of the detection device comprises the following steps:
s1, controlling the lifting assembly to ascend, correspondingly inserting the circular standard part and the circular part to be detected into the limiting column for positioning, controlling the lifting assembly to return, and controlling the track sliding block to move for a circle along the annular track, so that the annular detection block is driven to move for a circle along the outer edge of the circular part to be detected, and traces are left on the outer edge of the circular part to be detected in the moving process of the annular detection block;
s2, if the shape of the round piece to be detected is smaller than that of the round standard piece, no trace is left, and if the trace on the outer wall of the round piece to be detected is not continuous, the corresponding position is indicated to have a depression;
s3, when the shape of the round piece to be detected is larger than that of the round standard piece, the round detection block is extruded outwards to drive the installation block to move outwards, the arc-shaped conducting strip and the conducting ring are extruded and attached, when the arc-shaped conducting strip and the conducting ring are attached, the built-in power supply and the audible and visual alarm form a closed loop, the audible and visual alarm is powered on to give an audible and visual alarm, and if the audible and visual alarm gives an alarm, the round piece to be detected is protruded;
s4, after the detection is finished, controlling the lifting assembly to jack the support, taking down the round piece to be detected and putting another round piece to be detected, and repeating S1-S3 to continue the detection;
and S5, if the bulge or the dent is detected, marking the round piece to be detected as a defective product by the staff, reprocessing, and if the bulge or the dent is not detected, marking the round piece to be detected as a finished product by the staff.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the appearance that this scheme can realize automatic circular electronic product panel detects, detects whether the appearance is qualified, and can report to the police automatically when detecting out the defective work, in time reminds the staff, detects the precision height, great improvement circular panel's detection efficiency.
(2) The air cylinder or the hydraulic cylinder is adopted to work synchronously to drive the support to lift, the work is stable, the stability is good, and the detection precision is effectively guaranteed.
(3) Utilize interior spacing section of thick bamboo joint outside spacing section of thick bamboo inside carry out the spacing of horizontal direction to the U-shaped frame to utilize spacing and spacing cardboard to carry on spacingly to the internal spacing section of thick bamboo, avoid the U-shaped frame to produce the deflection of vertical direction, effectively improve and detect the precision.
(4) Set up spherical groove and ball, the frictional resistance that a spacing section of thick bamboo received when outside spacing section of thick bamboo inside removal in great reduction avoids the dead phenomenon of card to take place.
(5) The bearing is arranged to enable the rotating shaft to freely rotate on the U-shaped frame, and jamming is avoided in the rotating process.
(6) The inside easy wiping aqueous pigment that fills of annular paintbox, and utilize annular foam-rubber cushion absorption pigment to leave the vestige on the circular piece of waiting to detect, annular foam-rubber cushion can avoid causing hard contact with the edge that the circular piece of waiting to detect and lead to the fact wearing and tearing, and annular foam-rubber cushion possesses the hydroscopicity of preferred, avoids aqueous pigment to fall to cause the waste.
(7) The dry battery is used for supplying power to the audible and visual alarm, so that the cost is low and the replacement is convenient.
(8) Utilize to compress tightly the subassembly and can wait to detect a circular and circular standard component and compress tightly, avoid circular waiting to detect a circular and circular standard component and produce to rock the influence and detect the precision, rubber clamp plate can avoid waiting to detect the surface of a circular piece and cause mechanical damage.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the base of the present invention;
FIG. 3 is a bottom view of the top cover of the present invention;
FIG. 4 is a schematic structural view of the telescopic limiting mechanism of the present invention;
FIG. 5 is a schematic structural diagram of a detection block according to the present invention;
FIG. 6 is a schematic view of the structure of the annular housing of the detection block of the present invention;
FIG. 7 is a schematic view showing the structure of the annular sponge pad of the test block of the present invention.
The reference numbers in the figures illustrate:
the device comprises a base 1, a lifting component 2, a support 3, a limiting column 4, a rubber foot pad 5, a circular standard component 6, a circular component to be detected 7, an annular rail 8, a rail sliding block 9, a telescopic limiting mechanism 10, an outer limiting cylinder 101, an inner limiting cylinder 102, a limiting ring 103, a limiting clamping plate 104, a compression spring 105, a spherical groove 106, a ball 107, a U-shaped frame 11, a rotating shaft 12, an annular reference block 13, an annular detection block 14, an annular shell 141, an annular through hole 142, an annular sponge pad 143, an annular sponge bulge 144, an annular paint box 145, absorbent cotton 146, an installation block 15, an arc-shaped conducting strip 16, a circular top cover 17, an annular conducting ring 18, an audible and visual alarm 19 and a pressing component 20.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; 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.
Example 1:
referring to fig. 1-3, a circular plate shape detection device for processing a light guide plate comprises a base 1, wherein lifting components 2 are fixed at four corners of the upper side of the base 1, a support 3 is fixed at the output end of the lifting components 2, a circular top cover 17 is connected between the supports 3 at two sides, the circular top cover 17 is in an inverted circular groove shape, a plurality of sets of limiting columns 4 and rubber pad feet 5 are fixed on the upper surface of the base 1, a circular standard part 6 is supported on the plurality of sets of rubber pad feet 5, a circular to-be-detected part 7 is concentrically arranged on the upper side of the circular standard part 6, a plurality of positioning holes are correspondingly formed in the circular standard part 6 and the circular to-be-detected part 7, the limiting columns 4 are correspondingly inserted in the positioning holes, an annular rail 8 is arranged on the upper surface of the base 1, and the circular top cover 17 and the annular rail 8 are arranged at the same circle center as the circular standard part 6, the circular track 8 is connected with a track sliding block 9 in a sliding and clamping manner, a telescopic limiting mechanism 10 is fixed at the top end of the track sliding block 9, one end, close to a limiting column 4, of the telescopic limiting mechanism 10 is connected with a U-shaped frame 11, a rotating shaft 12 is vertically inserted into the U-shaped frame 11, an annular reference block 13 and an annular detection block 14 which are coaxially arranged are fixed on the outer wall of the rotating shaft 12, the annular detection block 14 and the annular reference block 13 are the same in shape, the annular reference block 13 is attached to the outer wall of a circular standard part 6, the annular detection block 14 is attached to the outer wall of a circular part 7 to be detected, the top end of the rotating shaft 12 penetrates through the upper side wall of the U-shaped frame 11, the top end of the rotating shaft 12 is connected with a mounting block 15, a conductive ring 18 is fixed on the inner side wall of a circular top cover 17, and an arc-shaped conductive ring 16 is fixed on one side, close to the mounting block 15, close to the conductive ring 18, the mounting block 15 is internally provided with a built-in power supply, a gap is reserved between the arc-shaped conducting strip 16 and the conducting ring 18, the upper surface of the circular top cover 17 is fixedly provided with an audible and visual alarm 19, and when the arc-shaped conducting strip 16 and the conducting ring 18 are attached, the built-in power supply and the audible and visual alarm 19 form a closed loop.
When the device is used, the lifting component 2 is controlled to ascend, the circular standard part 6 and the circular part to be detected 7 are correspondingly inserted into the limiting column 4 for positioning, the lifting component 2 is controlled to return, the track sliding block 9 is controlled to move for a circle along the annular track 8, so that the annular detection block 14 is driven to move for a circle along the outer edge of the circular part to be detected 7, and traces are left on the outer edge of the circular part to be detected 7 in the moving process of the annular detection block 14; when the shape of the circular piece to be detected 7 is smaller than that of the circular standard piece 6, no trace is left, and if the trace on the outer wall of the circular piece to be detected 7 is not continuous, the corresponding position is indicated to have a depression, so that whether the shape of the circular piece to be detected 7 has the depression can be detected; when the shape of the circular piece to be detected 7 is larger than that of the circular standard piece 6, the annular detection block 14 is extruded outwards, so that the installation block 15 is driven to move outwards, the arc-shaped conducting strip 16 and the conducting ring 18 are extruded and attached, when the arc-shaped conducting strip 16 and the conducting ring 18 are attached, the built-in power supply and the audible and visual alarm 19 form a closed loop, the audible and visual alarm 19 is powered on to give an audible and visual alarm, and if the audible and visual alarm 19 gives an alarm, the circular piece to be detected 7 is protruded, so that the appearance of the circular piece to be detected 7 can be detected to be protruded; after the detection is finished, controlling the lifting assembly 2 to jack the support 3, taking down the round piece to be detected 7 and putting another round piece to be detected 7, and repeating the steps to continue the detection; and if the protrusion or the depression is detected, marking the round piece to be detected 7 as a defective product by the worker, and reprocessing the defective product, and if the protrusion or the depression is not detected, marking the round piece to be detected 7 as a finished product by the worker.
Referring to fig. 1, the lifting assembly 2 is a small cylinder or a small hydraulic cylinder, and a lifting switch for controlling the lifting assembly 2 to lift synchronously is installed on a side wall of the base 1. The air cylinder or the hydraulic cylinder works synchronously to drive the support 3 to ascend and descend, so that the work is stable, the stability is good, and the detection precision is effectively guaranteed.
Referring to fig. 1-2, a driving mechanism for driving the track sliding block 9 to move for a circle along the annular track 8 is disposed on the track sliding block 9, and a start button for controlling the start and stop of the driving mechanism is mounted on the side wall of the base 1.
Referring to fig. 1 and 4, the telescopic limiting mechanism 10 includes an outer limiting cylinder 101, an inner limiting cylinder 102 coaxially inserted into the outer limiting cylinder 101, a limiting plate 104 fixed to one end of the inner limiting cylinder 102 located inside the outer limiting cylinder 101, an outer diameter of the limiting plate 104 being larger than an inner diameter of the limiting plate 103, and a compression spring 105 connected between the limiting plate 104 and an inner bottom of the outer limiting cylinder 101. Utilize interior spacing section of thick bamboo 102 joint to carry out the spacing of horizontal direction to U-shaped frame 11 outside a spacing section of thick bamboo 101 is inside to utilize spacing 103 and spacing cardboard 104 to carry out spacingly to interior spacing section of thick bamboo 102, avoid U-shaped frame 11 to produce the deflection of vertical direction, effectively improve and detect the precision.
Referring to fig. 4, a plurality of spherical grooves 106 uniformly arranged in a ring shape are formed in the inner wall of the limiting cylinder 103, a ball 107 is filled in each spherical groove 106, and the ball 107 is attached to the outer wall of the inner limiting cylinder 102.
Referring to fig. 1, bearings are disposed at the contact positions of the rotating shaft 12 and the upper and lower sidewalls of the U-shaped frame 11. The bearing is arranged to enable the rotating shaft 12 to freely rotate on the U-shaped frame 11, and jamming is avoided in the rotating process.
Referring to fig. 5-7, the annular detecting block 14 includes an annular housing 141 fixedly secured to an outer wall of the rotating shaft 12, a sealing ring is adhered to a contact portion between the annular housing 141 and the rotating shaft 12, an annular pigment box 145 is disposed inside the annular housing 141, easy-to-wipe pigment is filled inside the annular pigment box 145, an annular sponge cushion 143 is filled between the annular pigment box 145 and the annular housing 141, a plurality of absorbent sponges 146 are fixed on an inner wall of one side of the annular sponge cushion 143 near the annular pigment box 145, the absorbent sponges 146 are communicated with the inside of the annular pigment box 145, a plurality of annular through holes 142 are formed on a circumferential side wall of the annular housing 141, a plurality of annular sponge protrusions 144 are fixed on a circumferential side wall of the annular sponge cushion 143 near the annular housing 141, the annular sponge protrusions 144 and the annular through holes 142 are disposed in a one-to-one correspondence, and the annular sponge protrusions 144 are inserted into the annular through holes 142, the end of the annular sponge protrusion 144 is flush with the circumferential outer wall of the annular housing 141. The inside easy wiping water based pigment that fills of annular paintbox 145, and utilize annular foam-rubber cushion 143 to adsorb pigment and leave the vestige on the circular piece 7 that detects, annular foam-rubber cushion 143 can avoid causing hard contact with the edge that the circular piece 7 that detects causes wearing and tearing, and annular foam-rubber cushion 143 possesses the hydroscopicity of preferred, avoids water based pigment to fall and causes the waste.
Referring to fig. 1, the built-in power supply inside the mounting block 15 is a dry battery, and a battery cover for facilitating battery replacement is mounted on a side wall of the mounting block 15. The dry battery is used for supplying power for the audible and visual alarm 19, so that the cost is low and the replacement is convenient.
Referring to fig. 1, a plurality of pressing components 20 are fixed on the lower surface of the circular top cover 17, the pressing components 20 are electric push rods, the bottom end of the pressing components 20 is connected with a rubber pressing plate, and a plurality of conical protrusions which are uniformly distributed are integrally formed on the lower surface of the rubber pressing plate. Utilize to compress tightly subassembly 20 can wait to detect circularly 7 and circular standard component 6 compress tightly, avoid circularly waiting to detect 7 and circular standard component 6 and produce and rock the influence and detect the precision, rubber pressing plate can avoid waiting to detect the surface of 7 and cause mechanical damage to circularly.
A detection method of a circular plate shape detection device for processing a light guide plate comprises the following steps:
s1, controlling the lifting component 2 to ascend, correspondingly inserting the circular standard component 6 and the circular to-be-detected component 7 into the limiting column 4 for positioning, controlling the lifting component 2 to return, and controlling the track sliding block 9 to move for a circle along the annular track 8, so that the annular detection block 14 is driven to move for a circle along the outer edge of the circular to-be-detected component 7, and traces are left on the outer edge of the circular to-be-detected component 7 in the moving process of the annular detection block 14;
s2, if the shape of the circular piece to be detected 7 is smaller than that of the circular standard piece 6, no trace is left, and if the trace on the outer wall of the circular piece to be detected 7 is not continuous, the corresponding position is indicated to have a depression;
s3, when the shape of the round piece to be detected 7 is larger than that of the round standard piece 6, the round detection block 14 is extruded outwards to drive the installation block 15 to move outwards, the arc-shaped conducting strip 16 and the conducting ring 18 are extruded and attached, when the arc-shaped conducting strip 16 and the conducting ring 18 are attached, the built-in power supply and the audible and visual alarm 19 form a closed loop, the audible and visual alarm 19 is powered on to give an audible and visual alarm, and if the audible and visual alarm 19 gives an alarm, the round piece to be detected 7 is indicated to have a bulge;
s4, after the detection is finished, controlling the lifting assembly 2 to jack the support 3, taking down the round piece to be detected 7, putting another round piece to be detected 7, and repeating S1-S3 to continue the detection;
and S5, if the protrusion or the depression is detected, marking the round piece to be detected 7 as a defective product by the staff, reprocessing, and if the protrusion or the depression is not detected, marking the round piece to be detected 7 as a finished product by the staff.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a plectane appearance detection device is used in light guide plate processing, includes base (1), the upside four corners department of base (1) all is fixed with lifting unit (2), the output of lifting unit (2) is fixed with support (3), its characterized in that: the device is characterized in that a circular top cover (17) is connected between the supports (3) on the two sides, the circular top cover (17) is in an inverted circular groove shape, a plurality of groups of limiting columns (4) and rubber pad feet (5) are fixed on the upper surface of the base (1), a circular standard part (6) is supported on the plurality of groups of rubber pad feet (5), a circular part to be detected (7) is concentrically arranged on the upper side of the circular standard part (6), a plurality of positioning holes are correspondingly formed in the circular standard part (6) and the circular part to be detected (7), the limiting columns (4) are correspondingly inserted in the positioning holes, an annular rail (8) is arranged on the upper surface of the base (1), the circular top cover (17) and the annular rail (8) are both arranged in the same circle center as the circular standard part (6), a rail sliding block (9) is slidably clamped on the annular rail (8), and a telescopic limiting mechanism (10) is fixed at the top end of the rail sliding block (9), one end of the telescopic limiting mechanism (10) close to the limiting column (4) is connected with a U-shaped frame (11), a rotating shaft (12) is vertically inserted into the U-shaped frame (11), an annular reference block (13) and an annular detection block (14) which are coaxially arranged are fixed on the outer wall of the rotating shaft (12), the annular detection block (14) is the same as the annular reference block (13), the annular reference block (13) is attached to the outer wall of the circular standard part (6), the annular detection block (14) is attached to the outer wall of the circular to-be-detected part (7), the top end of the rotating shaft (12) penetrates through the upper side wall of the U-shaped frame (11) and is connected with an installation block (15), an inner side wall of the circular top cover (17) is fixed with an arc-shaped conducting strip (16), and one side of the installation block (15) close to the conducting strip (18) is fixed with an arc-shaped conducting strip (16), the mounting block (15) internally mounted has built-in power supply, leave the gap between arc conducting strip (16) and conducting ring (18), the upper surface of circular top cap (17) is fixed with audible-visual annunciator (19), when arc conducting strip (16) and conducting ring (18) laminating, built-in power supply and audible-visual annunciator (19) form closed circuit.
2. The apparatus for detecting the outer shape of the circular plate for processing a light guide plate according to claim 1, wherein: the lifting component (2) is a small air cylinder or a small hydraulic cylinder, and a lifting switch for controlling the lifting component (2) to synchronously lift is installed on the side wall of the base (1).
3. The apparatus for detecting the outer shape of the circular plate for processing a light guide plate according to claim 1, wherein: the track sliding block (9) is provided with a driving mechanism for driving the track sliding block (9) to move for a circle along the annular track (8), and a starting button for controlling the driving mechanism to start and stop is installed on the side wall of the base (1).
4. The apparatus for detecting the outer shape of the circular plate for processing a light guide plate according to claim 1, wherein: the telescopic limiting mechanism (10) comprises an outer limiting cylinder (101), an inner limiting cylinder (102) which is coaxially arranged is inserted into the outer limiting cylinder (101), the open end of the outer limiting cylinder (101) is connected with a limiting plate (103), one end, located inside the outer limiting cylinder (101), of the inner limiting cylinder (102) is fixed with a limiting clamping plate (104), the outer diameter of the limiting clamping plate (104) is larger than the inner diameter of the limiting plate (103), and a compression spring (105) is connected between the inner bottom of the limiting clamping plate (104) and the inner bottom of the outer limiting cylinder (101).
5. The apparatus for detecting the outer shape of the circular plate for processing a light guide plate according to claim 4, wherein: a plurality of spherical grooves (106) which are uniformly distributed in an annular shape are formed in the inner wall of the limiting cylinder (103), each spherical groove (106) is filled with a ball (107), and the balls (107) are attached to the outer wall of the inner limiting cylinder (102).
6. The apparatus for detecting the outer shape of the circular plate for processing a light guide plate according to claim 1, wherein: and bearings are arranged at the contact parts of the rotating shaft (12) and the side walls of the upper side and the lower side of the U-shaped frame (11).
7. The apparatus for detecting the outer shape of the circular plate for processing a light guide plate according to claim 1, wherein: the annular detection block (14) comprises an annular shell (141) fixedly sleeved on the outer wall of the rotating shaft (12), a sealing ring is adhered to the contact position of the annular shell (141) and the rotating shaft (12), an annular pigment box (145) is arranged inside the annular shell (141), easily-erasable pigment is filled inside the annular pigment box (145), an annular sponge cushion (143) is filled between the annular pigment box (145) and the annular shell (141), a plurality of water-absorbing sponge (146) are fixed on the inner wall of one side, close to the annular pigment box (145), of the annular sponge cushion (143), the water-absorbing sponge (146) is communicated with the inside of the annular pigment box (145), a plurality of annular through holes (142) are formed in the circumferential side wall of the annular shell (141), a plurality of annular sponge protrusions (144) are fixed on the circumferential side wall, close to the annular shell (141), of the annular sponge cushion (143), the annular sponge bulges (144) are arranged in one-to-one correspondence with the annular through holes (142), the annular sponge bulges (144) are inserted into the annular through holes (142), and the end parts of the annular sponge bulges (144) are flush with the circumferential outer wall of the annular shell (141).
8. The apparatus for detecting the outer shape of the circular plate for processing a light guide plate according to claim 1, wherein: the built-in power supply in the mounting block (15) is a dry battery, and a battery cover convenient for battery replacement is mounted on the side wall of the mounting block (15).
9. The apparatus for detecting the outer shape of the circular plate for processing a light guide plate according to claim 1, wherein: the lower surface of the round top cover (17) is fixed with a plurality of pressing components (20), the pressing components (20) are electric push rods, the bottom end of the pressing components (20) is connected with a rubber pressing plate, and a plurality of conical bulges which are uniformly distributed are integrally formed on the lower surface of the rubber pressing plate.
10. The method for detecting the circular plate profile detection device for processing a light guide plate according to claim 1, wherein: the method comprises the following steps:
s1, controlling the lifting assembly (2) to ascend, correspondingly inserting the circular standard part (6) and the circular to-be-detected part (7) into the limiting column (4) for positioning, controlling the lifting assembly (2) to return, and controlling the track sliding block (9) to move for a circle along the annular track (8), so that the annular detection block (14) is driven to move for a circle along the outer edge of the circular to-be-detected part (7), and leaving marks on the outer edge of the circular to-be-detected part (7) in the moving process of the annular detection block (14);
s2, if the shape of the circular piece (7) to be detected is smaller than that of the circular standard piece (6), no trace is left, and if the trace on the outer wall of the circular piece (7) to be detected is not continuous, the corresponding position is indicated to have a depression;
s3, when the shape of the round piece to be detected (7) is larger than that of the round standard piece (6), the round detection block (14) is extruded towards the outer side, so that the installation block (15) is driven to move towards the outer side, the arc-shaped conducting plate (16) and the conducting ring (18) are extruded and attached, when the arc-shaped conducting plate (16) and the conducting ring (18) are attached, the built-in power supply and the audible and visual alarm (19) form a closed loop, the audible and visual alarm (19) is electrified to perform audible and visual alarm, and if the audible and visual alarm (19) performs alarm, the circular piece to be detected (7) is shown to be convex;
s4, after the detection is finished, controlling the lifting assembly (2) to jack the support (3), taking down the round piece to be detected (7), putting another round piece to be detected (7), and repeating S1-S3 to continue the detection;
and S5, if the protrusion or the depression is detected, marking the round piece to be detected (7) as a defective product by the staff, reprocessing, and if the protrusion or the depression is not detected, marking the round piece to be detected (7) as a finished product by the staff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487403.3A CN113203356A (en) | 2021-05-06 | 2021-05-06 | Circular plate shape detection device for light guide plate processing and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487403.3A CN113203356A (en) | 2021-05-06 | 2021-05-06 | Circular plate shape detection device for light guide plate processing and detection method thereof |
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| CN113203356A true CN113203356A (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110487403.3A Withdrawn CN113203356A (en) | 2021-05-06 | 2021-05-06 | Circular plate shape detection device for light guide plate processing and detection method thereof |
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| CN (1) | CN113203356A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483620A (en) * | 2021-09-08 | 2021-10-08 | 武汉锐科光纤激光技术股份有限公司 | Circle center positioning device and positioning method |
| CN114994081A (en) * | 2022-06-22 | 2022-09-02 | 安徽和丰硬质合金有限公司 | Circumferential defect detection tool and system for hard alloy disc |
-
2021
- 2021-05-06 CN CN202110487403.3A patent/CN113203356A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483620A (en) * | 2021-09-08 | 2021-10-08 | 武汉锐科光纤激光技术股份有限公司 | Circle center positioning device and positioning method |
| CN113483620B (en) * | 2021-09-08 | 2024-04-12 | 武汉锐科光纤激光技术股份有限公司 | Circle center positioning device and positioning method |
| CN114994081A (en) * | 2022-06-22 | 2022-09-02 | 安徽和丰硬质合金有限公司 | Circumferential defect detection tool and system for hard alloy disc |
| CN114994081B (en) * | 2022-06-22 | 2023-09-01 | 辽宁中科力勒检测技术服务有限公司 | Cemented carbide disc circumferential defect detection tool and detection system |
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Application publication date: 20210803 |