CN116242721B - Automatic detection device for high-definition television frame strength - Google Patents
Automatic detection device for high-definition television frame strength Download PDFInfo
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- CN116242721B CN116242721B CN202310445472.7A CN202310445472A CN116242721B CN 116242721 B CN116242721 B CN 116242721B CN 202310445472 A CN202310445472 A CN 202310445472A CN 116242721 B CN116242721 B CN 116242721B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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Abstract
The invention relates to the technical field of plastic strength detection, in particular to an automatic detection device for high-definition television frame strength, which comprises a rack, a first outer clamp, a second outer clamp and a stamping mechanism, wherein the first outer clamp is rotatably arranged on the rack and used for clamping a first end of a detection piece, the second outer clamp is rotatably arranged on the rack and used for clamping a second end of the detection piece, and the stamping mechanism is used for stamping the detection piece. Through setting up first outer anchor clamps and second outer anchor clamps homoenergetic setting in the frame, and detect the piece and remove for first outer anchor clamps or second outer anchor clamps for the shearing force that the department of being held of detecting the piece received is less, calculates the average through the multitime detection, improves the precision of testing result.
Description
Technical Field
The invention relates to the technical field of plastic strength detection, in particular to an automatic detection device for high-definition television frame strength.
Background
Television frames are typically made of plastic and often require strength testing during the manufacturing process.
The strength of the plastic product has the indexes of stamping resistance, shearing resistance, tensile resistance and the like, and destructive tests are adopted for detecting the indexes. These indexes are all related to the toughness of plastic materials, and the better the toughness is, the better the properties such as stamping resistance, shearing resistance, tensile strength and the like are for the same plastic.
Chinese patent CN115078130B discloses a shearing strength testing device for plastic products, comprising a detection module, a flattening module and a compacting module, wherein the detection module comprises a detection table connected with the detection module, two supporting plates connected with the top of the detection table, a pressing plate movably mounted on the inner side of the supporting plates, a rope movably penetrating through the top ends of the supporting plates and connected with the top of the pressing plate, and a supporting frame connected with the top of the detection table. According to the invention, the movable end of the air cylinder enables the whole pushing module structure to descend through the plate body, then the pressing cylinder and the roller are simultaneously contacted with the bottom of the inner cavity of the placing groove, then the connecting plate is subjected to angle change along with the continuous sinking of the plate body, then the pressing cylinder and the roller are indirectly pushed to move outwards, the pressing cylinder and the roller flatten plastics, and then the pressing cylinder and the roller finish the leveling work of the plastics when the bottom of the rectangular plate is level with the bottom of the inner cavity of the placing groove, so that the accuracy of a test result is improved.
The existing plastic strength detection device usually adopts a clamp to clamp a test piece and then performs stamping, then the stamping strength of the test piece is judged by checking the deformation condition of the test piece, and the test piece is subjected to larger shearing force at the clamped position due to the fact that the shearing force can interfere the deformation of the test piece during stamping, so that the detection result of the test piece is inaccurate.
Disclosure of Invention
Accordingly, it is necessary to provide an automatic high-definition television frame strength detection device with high test accuracy, aiming at the problem of low test accuracy existing in the conventional plastic strength detection device.
The above purpose is achieved by the following technical scheme:
the automatic detecting device is used for detecting the stamping strength of a detecting piece, and the detecting piece is provided with a first end and a second end;
the automatic detection device for the high-definition television frame strength comprises:
a frame;
the first outer clamp is rotatably arranged on the rack and used for clamping the first end of the detection piece;
the second outer clamp is rotatably arranged on the rack and used for clamping the second end of the detection piece;
And the stamping mechanism is used for stamping the detection piece.
Further, the detecting piece can move relative to the first outer clamp or the second outer clamp when the first outer clamp and the second outer clamp the detecting piece; the first outer clamp and the second outer clamp have the same structure; the first outer clamp comprises a shell, a first clamping plate, a second clamping plate, a rolling shaft and a driving assembly, wherein the first clamping plate and the second clamping plate are slidably arranged on the shell; the roller is rotatably arranged on the first clamping plate and the second clamping plate; the driving assembly is arranged on the shell and is used for providing driving force for the first clamping plate and the second clamping plate to approach to or separate from each other; the first clamping plate and the second clamping plate are used for clamping the detection piece when being close to each other.
Further, the driving assembly comprises a worm and a tooth column, wherein a worm wheel section and a straight tooth section are arranged on the tooth column; the worm is meshed with the worm wheel section; the straight tooth section is meshed with the first clamping plate; the spur gear section is engaged with the second clamping plate.
Further, the automatic high-definition television frame strength detection device further comprises a first inner clamp, a second inner clamp and an adjusting mechanism, wherein the first inner clamp comprises a first clamping unit; the second inner clamp comprises a second clamping unit; the first clamping unit and the second clamping unit are used for clamping the detection piece, and clamping points of the first clamping unit and the second clamping unit are arranged between the first outer clamp and the second outer clamp; the adjusting mechanism is used for locking the clamping points of the first clamping unit and the second clamping unit.
Further, the first clamping unit and the second clamping unit comprise a drawing wire, two inner clamping plates, a wire wheel and a locking part, wherein the two inner clamping plates are arranged in parallel up and down, and the detection piece is placed between the two inner clamping plates; the locking part is arranged on the inner clamping plate and is used for providing driving force for clamping the detection piece by the two inner clamping plates; the wire wheel can be rotatably arranged on the rack; one end of the pulling wire is wound on the wire wheel, and the other end of the pulling wire is arranged on the inner clamping plate; when the stamping mechanism stamps the detection piece, the inner clamping plate and the detection piece synchronously move, and the drawing line is switched from a tight state to a loose state; when the stamping mechanism is reset, the inner clamping plate and the detection piece synchronously move, and the pulling line is switched from a loose state to a tight state.
Further, the locking part comprises a connecting column and a nut, and the two inner clamping plates are arranged on the connecting column; the nut can be arranged on the connecting column in a sliding manner, and the clamping force of the two inner clamping plates on the detection piece is adjusted by adjusting the distance between the two inner clamping plates.
Further, the wire wheel has two working states, and when the wire wheel is in a first working state, the wire wheel rotates to change the length of the pulling wire, and the length of the pulling wire is used for changing the clamping point of the inner clamping plate; when the stamping mechanism is in the second working state, when the stamping mechanism stamps the detection piece, the wire wheel rotates to enable the drawing wire to be released from the wire wheel, and when the stamping mechanism resets, the wire wheel rotates to enable the drawing wire to be wound on the wire wheel.
Further, the adjusting mechanism comprises a push plate, and the push plate is used for driving the inner clamping plate to move.
Further, the stamping mechanism comprises a stamping column and a transmission assembly, and the stamping column drives the wire wheel to rotate through the transmission assembly; when the stamping column stamps the detection piece, the stamping column drives the wire wheel to rotate through the transmission assembly so that the drawing wire is switched from a tight state to a loose state; when the punching column resets, the punching column drives the wire wheel to rotate through the transmission assembly, so that the drawing wire is switched from a loose state to a tight state.
Further, the transmission assembly comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a first rotating shaft, a second rotating shaft, a first round rod, a second round rod, a seventh round rod and a ninth round rod, and the first gear, the second gear, the third gear, the fourth gear and the fifth gear are all rotatably arranged on the rack; the punching column can drive the first gear to rotate; one end of the first gear is meshed with the second gear, the other end of the first gear is meshed with the third gear, the second gear is meshed with the fourth gear, and the third gear is meshed with the fifth gear; the fourth gear is arranged on the first rotating shaft, the first rotating shaft can drive the first round rod to rotate, and the first round rod can drive the second round rod to rotate; the fifth gear is arranged on the second rotating shaft, the second rotating shaft can drive the seventh round rod to rotate, and the seventh round rod can drive the ninth round rod to rotate; the wire wheel is arranged on the second round rod and the seventh round rod.
The beneficial effects of the invention are as follows:
the invention provides an automatic detecting device for high-definition television frame strength, which is used for detecting stamping strength of a detecting piece. Through setting up first outer anchor clamps and second outer anchor clamps homoenergetic setting in the frame, and detect the piece and remove for first outer anchor clamps or second outer anchor clamps for the shearing force that the department of being held of detecting the piece received is less, calculates the average through the multitime detection, improves the precision of testing result.
Furthermore, by arranging the first inner clamp and the second inner clamp, on one hand, the strength automatic detection device can punch the same position of the detection piece for multiple times, and the accuracy of a detection result is further improved; on the other hand, the change of the clamping positions of the first inner clamp and the second inner clamp can reduce errors caused by the fact that the clamped part of the detection piece cannot be bent normally.
Drawings
Fig. 1 is a schematic perspective view of an automatic detecting device for high-definition television frame strength according to an embodiment of the present invention;
fig. 2 is a schematic front view of an automatic detecting device for high-definition television frame strength according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the automated high definition television frame strength detection device of FIG. 2 taken along the A-A direction;
fig. 4 is a schematic perspective view of an automatic detecting device for high-definition television frame strength without a frame according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a first inner fixture and a second inner fixture of an automatic detecting device for high-definition television frame strength according to an embodiment of the present invention;
fig. 6 is a schematic side view of an automatic detecting device for high-definition television frame strength according to an embodiment of the present invention;
FIG. 7 is a B-B cross-sectional view of the automated high definition television frame strength detection device of FIG. 6;
FIG. 8 is a schematic view of a part of the automated high-definition television frame strength detection device shown in FIG. 7;
fig. 9 is a schematic front view of a first external fixture of an automatic detecting device for high-definition television frame strength according to an embodiment of the present invention;
fig. 10 is a D-D sectional view of a first external fixture of the automatic high-definition television frame strength detection device according to an embodiment of the present invention.
Wherein:
100. a frame; 101. a base; 102. a support column; 103. a top plate;
200. a first outer clamp; 210. a first outer clamp housing; 220. a first servo motor; 221. a first worm; 230. a first tooth post; 231. a first worm gear section; 232. a first straight tooth segment; 240. a first clamping plate; 241. a first roller; 242. a second servo motor; 250. a second clamping plate;
300. a second outer clamp; 310. a second outer clamp housing; 320. a third servo motor; 321. a second worm; 330. a second tooth post; 331. a second worm gear section; 332. a second straight tooth segment; 340. a third clamping plate; 341. a second roller; 342. a fourth servo motor;
400. a first inner clamp; 410. a first round bar; 411. a first bevel gear; 412. a first spur gear; 413. a first belt; 420. a second round bar; 421. a second spur gear; 422. a first pull line; 423. a first inner clamping plate; 430. a third round bar; 431. a third spur gear; 432. a second pull wire; 433. a second inner clamping plate; 440. a fourth round bar; 450. a fifth round bar; 460. a sixth round bar; 470. a connecting column;
500. A second inner clamp; 510. a seventh round bar; 511. a second bevel gear; 512. a fourth spur gear; 513. a second belt; 520. an eighth round bar; 521. a fifth spur gear; 522. a third wire; 523. a third inner clamping plate; 530. a ninth round bar; 531. a sixth spur gear; 532. a fourth wire; 533. a fourth inner clamping plate; 540. a tenth round bar; 550. an eleventh round bar; 560. a twelfth round bar;
600. a punching mechanism; 610. punching a box; 611. a first gear; 612. a second gear; 613. a third gear; 620. stamping a column; 630. a first rotation shaft; 631. a fourth gear; 632. a third bevel gear; 640. a second rotation shaft; 641. a fifth gear; 642. a fourth bevel gear;
700. an adjusting mechanism; 710. a driving motor; 720. a bidirectional screw rod; 721. a first push plate; 722. a second push plate; 723. a third push plate; 724. and a fourth push plate.
Detailed Description
The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 10, an automatic detecting device for high-definition television frame strength according to an embodiment of the present invention is configured to perform a punching strength test on a detecting member, where the detecting member has a first end and a second end; in this embodiment, the automatic detecting device for high-definition television frame strength includes a frame 100, a first outer fixture 200, a second outer fixture 300, a first inner fixture 400, a second inner fixture 500, a stamping mechanism 600 and an adjusting mechanism 700, where the frame 100 includes a base 101, two support columns 102 and a top plate 103, the two support columns 102 are fixedly connected to the base 101 at one end and to the top plate 103 at the other end; the top plate 103 has a rectangular shape, and the top plate 103 has a long median line and a short median line.
The first and second outer jigs 200 and 300 are identical in structure, and the first and second outer jigs 200 and 300 are symmetrically disposed with respect to the middle line of the long side of the top plate 103; the first outer clamp 200 is connected with the base 101 through a first telescopic rod, one end of the first telescopic rod is fixedly connected to the base 101, and the other end of the first telescopic rod is hinged to the first outer clamp 200; the second outer clamp 300 is connected with the base 101 through a second telescopic rod, one end of the second telescopic rod is fixedly connected to the base 101, and the other end of the second telescopic rod is hinged to the second outer clamp 300; the first telescopic rod and the second telescopic rod can both extend and retract along the horizontal direction, and the hydraulic cylinder or the electric cylinder is used for providing the driving force for the extension and retraction of the first telescopic rod and the second telescopic rod; the first and second outer jigs 200 and 300 are used to provide supporting force when the detecting member is punched.
Through setting up first telescopic link and second telescopic link and making first outer anchor clamps 200 and second outer anchor clamps 300 all can follow the horizontal direction and slide for first outer anchor clamps 200 and second outer anchor clamps 300 can adapt not unidimensional detection piece, thereby improve detection device's suitability.
The first outer clamp 200 includes a first outer clamp housing 210, a first clamping plate 240, a second clamping plate 250, a first roller 241, and a driving assembly; in this embodiment, the drive assembly includes a first servo motor 220, a first worm 221, and a first tooth post 230; the number of the first servo motors 220 and the first tooth columns 230 is two, the two groups of the first servo motors 220 are symmetrically arranged about the first outer clamp shell 210, and the two groups of the first tooth columns 230 are symmetrically arranged about the first outer clamp shell 210.
The first servo motor 220 is fixedly connected to the inner wall surface of the first outer clamp shell 210, and a first worm 221 is fixedly connected to a motor shaft of the first servo motor 220; both ends of the first tooth post 230 are rotatably provided on an inner wall surface of the first outer jig housing 210, the first tooth post 230 includes a first worm wheel section 231 and a first straight tooth section 232, and the first worm 221 is engaged with the first worm wheel section 231; the first clamping plate 240 and the second clamping plate 250 have the same structure, the first clamping plate 240 and the second clamping plate 250 are both arranged on the first outer clamp shell 210 in a sliding manner, racks are arranged at one ends of the first clamping plate 240 and the second clamping plate 250 facing the first outer clamp shell 210, the racks on the first clamping plate 240 are meshed with the first straight tooth sections 232 on the first set of first tooth columns 230, and the racks on the second clamping plate 250 are meshed with the first straight tooth sections 232 on the second set of first tooth columns 230; the first clamping plate 240 is rotatably provided with the same number of first rollers 241 and second servo motors 242, and the second servo motors 242 are used for providing driving force for rotation of the first rollers 241.
The second outer clamp 300 includes a second outer clamp housing 310, a third clamping plate 340, a fourth clamping plate, a second roller 341, and a driving assembly; in this embodiment, the driving assembly includes a third servo motor 320, a second worm 321, and a second tooth post 330; the number of the third servo motors 320 and the second gear columns 330 is two, the two groups of the third servo motors 320 are symmetrically arranged about the second outer clamp housing 310, and the two groups of the second gear columns 330 are symmetrically arranged about the second outer clamp housing 310.
The third servo motor 320 is fixedly connected to the inner wall surface of the second outer clamp shell 310, and a second worm 321 is fixedly connected to a motor shaft of the third servo motor 320; both ends of the second tooth post 330 are rotatably provided on an inner wall surface of the second outer jig housing 310, the second tooth post 330 includes a second worm wheel section 331 and a second straight tooth section 332, and the second worm 321 is engaged with the second worm wheel section 331; a third clamping plate 340 and a fourth clamping plate, both of which are slidably disposed on the second outer clamp housing 310, and the ends of the third clamping plate 340 and the fourth clamping plate facing the second outer clamp housing 310 are provided with racks, the racks on the third clamping plate 340 being engaged with the second straight tooth sections 332 on the first set of second tooth columns 330, the racks on the fourth clamping plate being engaged with the second straight tooth sections 332 on the second set of second tooth columns 330; the third clamping plate 340 is rotatably provided with the same number of second rollers 341 and fourth servo motors 342, and the fourth servo motors 342 are used for providing a driving force for the rotation of the second rollers 341.
The punching mechanism 600 is provided on the top plate 103, the punching mechanism 600 including a punching case 610 and a punching column 620, the punching column 620 being provided on the punching case 610 so as to be capable of sliding up and down in the vertical direction; the punching box 610 is provided therein with a biaxial motor, one end of a motor shaft of which is in threaded connection with the punching column 620, and the biaxial motor is used for providing a driving force for the punching column 620 to move up and down along the vertical direction.
The first outer jig 200 and the second outer jig 300 are provided with deflection angle sensors; when the deflection angle sensor senses the deflection of the first outer clamp 200 and the second outer clamp 300, the roller is driven to rotate by the servo motor, and the roller drives the detection piece to move, so that the center of the detection piece and the center of the top plate 103 are on the same vertical line or approximately the same vertical line, and the detection accuracy is improved.
Placing one end of the sensing member between the first clamping plate 240 and the second clamping plate 250 on the first outer jig 200 and the other end between the third clamping plate 340 and the fourth clamping plate on the second outer jig 300; when the center of the detecting member and the center of the top plate 103 are not on the same vertical line, the first outer clamp 200 and the second outer clamp 300 are rotated under the gravity action of the detecting member, the deflection angle sensor on the first outer clamp 200 senses the deflection angle of the first outer clamp 200 and starts a plurality of groups of second servo motors 242 on the first outer clamp 200, and the second servo motors 242 drive the first rolling shafts 241 to rotate; the deflection angle sensor on the second outer fixture 300 senses the deflection angle of the second outer fixture 300 and starts a plurality of groups of fourth servo motors 342 on the second outer fixture 300, and the fourth servo motors 342 drive the second rolling shafts 341 to rotate until the angle of the deflection angle sensor is zero, at this time, the center of the detecting piece is approximately on the same vertical line or approximately on the same vertical line with the center of the top plate 103, and errors caused by the fact that the stamping point is not at the center of the detecting piece during stamping are reduced.
When the angle of the deflection angle sensor is zero, a first servo motor 220 on the first outer clamp 200 is started, the first servo motor 220 drives a first worm 221 to rotate, the first worm 221 drives a first worm gear section 231 to rotate, the first worm gear section 231 drives a first tooth column 230 to rotate, and the first tooth column 230 is respectively meshed with a rack on the first clamping plate 240 and a rack on the second clamping plate 250, so that the first clamping plate 240 and the second clamping plate 250 are close to each other, and one end of a detection piece is clamped; the third servo motor 320 on the second outer clamp 300 is started, the third servo motor 320 drives the second worm 321 to rotate, the second worm 321 drives the second worm gear section 331 to rotate, the second worm gear section 331 drives the second tooth post 330 to rotate, and the second tooth post 330 is respectively meshed with the rack on the third clamping plate 340 and the rack on the fourth clamping plate, so that the third clamping plate 340 and the fourth clamping plate are close to each other, and the other end of the detection piece is clamped.
Starting a double-shaft motor, wherein the double-shaft motor drives the punching column 620 to move downwards along the vertical direction to punch the detection piece, and in the punching process, the punching column 620 drives the detection piece to move downwards, and the detection piece drives the first outer clamp 200 and the second outer clamp 300 to rotate, so that the shearing force applied to the clamped part of the detection piece is smaller; and the average value is calculated through multiple times of detection, so that the accuracy of the detection result is improved.
The first and second inner jigs 400 and 500 have the same structure, and the first and second inner jigs 400 and 500 are symmetrically disposed about the middle line of the long side of the top plate 103.
The first inner clamp 400 includes a first clamping unit including a first drawing wire 422, a first inner clamping plate 423, wire wheels and a locking part, the number of the wire wheels is multiple, and the multiple wire wheels can be rotatably arranged on the base 101; the number of the first inner clamping plates 423 is two, the two first inner clamping plates 423 are arranged in parallel up and down, the two first inner clamping plates 423 are connected through a locking part, and the locking part is used for providing driving force for clamping the detection piece by the two first inner clamping plates 423; one end of the first drawing wire 422 is wound on the wire reel, and the other end is hinged on the first inner clamping plate 423; in this embodiment, the locking portion is a connecting post 470 and a nut, the nut is in threaded connection with the connecting post 470, the two first inner clamping plates 423 are connected through the connecting post 470, and the nut adjusts the clamping force of the two first inner clamping plates 423 on the detecting member by adjusting the distance between the two first inner clamping plates 423.
The second inner clamp 500 includes a second clamping unit including a fourth pulling wire 532, a fourth inner clamping plate 533, wire wheels and a locking part, the number of the wire wheels being plural, the plural wire wheels being rotatably disposed on the base 101; the number of the fourth inner clamping plates 533 is two, the two fourth inner clamping plates 533 are arranged in parallel up and down, the two fourth inner clamping plates 533 are connected through a locking part, and the locking part is used for providing driving force for clamping the detecting piece by the two fourth inner clamping plates 533; one end of the fourth pulling wire 532 is wound on the wire reel, and the other end is hinged on the fourth inner clamping plate 533; in this embodiment, the locking portion is a connecting post 470 and a nut, the nut is in threaded connection with the connecting post 470, the two fourth inner clamping plates 533 are connected through the connecting post 470, and the nut adjusts the clamping force of the two fourth inner clamping plates 533 to the detection member by adjusting the distance between the two fourth inner clamping plates 533.
The stamping mechanism 600 further comprises a transmission component, and the stamping column 620 drives the wire wheel to rotate through the transmission component; in the present embodiment, the transmission assembly includes a first gear 611, a second gear 612, a third gear 613, a fourth gear 631, a fifth gear 641, a first rotating shaft 630, a second rotating shaft 640, a first round bar 410, a second round bar 420, a seventh round bar 510, and a ninth round bar 530; the first gear 611, the second gear 612, the third gear 613, the fourth gear 631, and the fifth gear 641 are rotatably provided in the top plate 103; the first gear 611 is fixedly sleeved on a motor shaft of a double-shaft motor, the first gear 611 and the punching column 620 are oppositely arranged, and when the double-shaft motor drives the punching column 620 to move along the vertical direction, the first gear 611 is driven to rotate at the same time; one end of the first gear 611 is meshed with the second gear 612, and the other end is meshed with the third gear 613; the second gear 612 and the fourth gear 631 mesh; the third gear 613 and the fifth gear 641 are meshed; one end of the first rotating shaft 630 is fixedly sleeved with the fourth gear 631, and the other end is fixedly sleeved with the third bevel gear 632; one end of the second rotating shaft 640 is fixedly sleeved with the fifth gear 641, and the other end is fixedly sleeved with the fourth bevel gear 642.
The first round bar 410 and the second round bar 420 are both rotatably arranged on the base 101, a first bevel gear 411 is fixedly sleeved at the middle part of the first round bar 410, the first bevel gear 411 is meshed with a third bevel gear 632, and a first spur gear 412 is fixedly sleeved at both ends of the first round bar 410; the two ends of the second round bar 420 are fixedly sleeved with a second spur gear 421, and a wire wheel is coaxially and rotatably arranged on the second spur gear 421; one end of the first drawing wire 422 is wound on the wire wheel on the second spur gear 421; first spur gear 412 and second spur gear 421 mesh; a solenoid valve is arranged between the wire wheel on the second spur gear 421 and the second spur gear 421, and when the solenoid valve is electrified, the wire wheel on the second spur gear 421 and the second spur gear 421 synchronously rotate; when the solenoid valve is de-energized, the wire wheel on the second spur gear 421 and the second spur gear 421 are able to rotate relative to each other.
The wire wheel on the second spur gear 421 has two working states, when the wire wheel on the second spur gear 421 is in the first working state, the electromagnetic valve between the wire wheel on the second spur gear 421 and the second spur gear 421 is powered off, the wire wheel on the second spur gear 421 can rotate relative to the second spur gear 421, so that the length of the first drawing wire 422 can be adjusted, the clamping point of the first inner clamping plate 423 on the detection piece can be changed, and errors caused by the fact that the clamped part of the detection piece cannot be bent normally can be reduced through the change of the clamping point; when the wire wheel is in the second working state, the solenoid valve between the wire wheel on the second spur gear 421 and the second spur gear 421 is electrified, the wire wheel on the second spur gear 421 and the second spur gear 421 rotate synchronously, so that the punching column 620 can drive the wire wheel on the second spur gear 421 to rotate synchronously through the transmission assembly, and when the punching column 620 punches the detection piece, the first traction wire 422 is released from the wire wheel on the second spur gear 421, and the first inner clamping plate 423 only has clamping force on the detection piece and has no shearing force; when the punching column 620 resets, the first drawing wire 422 is wound on the wire wheel on the second spur gear 421, so that the first inner clamping plate 423 is restored to the initial position, and the detection device can punch the same position of the detection piece for multiple times, thereby further improving the accuracy of the detection result.
The seventh round rod 510 and the ninth round rod 530 are both rotatably arranged on the base 101, the middle part of the seventh round rod 510 is fixedly sleeved with a second bevel gear 511, the second bevel gear 511 is meshed with a fourth bevel gear 642, and both ends of the seventh round rod 510 are fixedly sleeved with a fourth spur gear 512; the two ends of the ninth round bar 530 are fixedly sleeved with a sixth spur gear 531, and a wire wheel is coaxially and fixedly arranged on the sixth spur gear 531; one end of the fourth pulling wire 532 is wound on the wire wheel on the sixth spur gear 531; the fourth spur gear 512 and the sixth spur gear 531 are meshed; a solenoid valve is arranged between the wire wheel on the sixth spur gear 531 and the sixth spur gear 531, and when the solenoid valve is electrified, the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 rotate synchronously; when the solenoid valve is de-energized, the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 are able to rotate relative to each other.
The wire wheel on the sixth spur gear 531 has two working states, when the wire wheel on the sixth spur gear 531 is in the first working state, the electromagnetic valve between the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 is powered off, the wire wheel on the sixth spur gear 531 can rotate relative to the sixth spur gear 531, so that the length of the fourth drawing wire 532 can be adjusted, the clamping point of the fourth inner clamping plate 533 on the detection piece can be changed, and errors caused by the fact that the clamped part of the detection piece cannot be bent normally can be reduced through the change of the clamping point; when the solenoid valve between the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 is energized, the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 rotate synchronously, so that the punching pin 620 can drive the wire wheel on the sixth spur gear 531 to rotate synchronously through the transmission assembly, so that when the punching pin 620 punches the detecting member, the fourth drawing wire 532 is released from the wire wheel on the sixth spur gear 531, and the fourth inner clamping plate 533 has only clamping force for the detecting member without shearing force; when the punching column 620 resets, the fourth drawing wire 532 is wound on the wire wheel on the sixth spur gear 531, so that the fourth inner clamping plate 533 is restored to the initial position, and the detection device can punch the same position of the detection piece for multiple times, thereby further improving the accuracy of the detection result.
The number of the adjusting mechanisms 700 is two, the two groups of adjusting mechanisms 700 are arranged on the base 101, and the two groups of adjusting mechanisms 700 are symmetrically arranged about the median line of the short side of the top plate 103; the adjusting mechanism 700 comprises a driving motor 710, a bidirectional screw 720, a first pushing plate 721 and a fourth pushing plate 724; the driving motor 710 is fixedly connected to the base 101 through a bolt, one end of the bidirectional screw 720 is fixedly connected to the driving motor 710, and the other end of the bidirectional screw 720 is rotatably arranged on the base 101; the first push plate 721 and the fourth push plate 724 are both slidably disposed on the base 101; the bidirectional screw 720 comprises two screw sections with opposite directions, the first push plate 721 is rotatably sleeved on one of the screw sections, and the first push plate 721 is used for locking the clamping point of the first inner clamping plate 423; the fourth push plate 724 is rotatably sleeved on the other screw rod section, and the fourth push plate 724 is used for locking the clamping point of the fourth inner clamping plate 533.
The first outer clamp 200 and the second outer clamp 300 clamp the two ends of the detection piece; the adjusting wire wheel is in a first working state, the solenoid valve between the wire wheel on the second spur gear 421 and the second spur gear 421 is powered off, so that the wire wheel on the second spur gear 421 can rotate relative to the second spur gear 421, the length of the first drawing wire 422 can be adjusted, and then the clamping point of the first inner clamping plate 423 on the detection piece can be changed; the solenoid valve between the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 is de-energized, so that the wire wheel on the sixth spur gear 531 can rotate relative to the sixth spur gear 531, so that the length of the fourth drawing wire 532 can be adjusted, and the clamping point of the fourth inner clamping plate 533 to the detecting member can be changed; the clamping points of the first inner clamping plate 423 and the fourth inner clamping plate 533 to the detecting member are symmetrical about the median line of the long side of the top plate 103.
The adjustment wire wheel is in a second working state, so that the solenoid valve between the wire wheel on the second spur gear 421 and the second spur gear 421 is electrified, and the wire wheel on the second spur gear 421 and the second spur gear 421 synchronously rotate; the solenoid valve between the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 is energized, so that the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 rotate synchronously.
Starting the driving motor 710, wherein the driving motor 710 drives the bidirectional screw rod 720 to rotate, the bidirectional screw rod 720 drives the first push plate 721 to move, and the first push plate 721 drives the first inner clamping plate 423 to move, so that the first traction line 422 is tensioned; the bidirectional screw rod 720 drives the fourth push plate 724 to move, and the fourth push plate 724 drives the fourth inner clamping plate 533 to move, so that the fourth pulling line 532 is stretched; the position of the adjustment nut on the connection post 470 is such that the first and fourth inner clamping plates 423 and 533 each clamp the detection member.
Starting a double-shaft motor, wherein the double-shaft motor drives the punching column 620 to vertically move downwards on one hand, so that the punching column 620 punches the detection piece, and the first inner clamping plate 423 and the fourth inner clamping plate 533 synchronously move with the detection piece; on the other hand, the transmission assembly drives the wire wheel to rotate, so that the first drawing wire 422 and the fourth drawing wire 532 are released from the wire wheel, the first drawing wire 422 and the fourth drawing wire 532 are switched from a tight state to a loose state, and the first inner clamping plate 423 and the fourth inner clamping plate 533 only have clamping force on the detection piece without shearing force; after the stamping is finished, the double-shaft motor is reversed, and drives the stamping column 620 to vertically move upwards on one hand; on the other hand, the transmission assembly drives the wire wheel to rotate, so that the first drawing wire 422 and the fourth drawing wire 532 are wound on the wire wheel, the first drawing wire 422 and the fourth drawing wire 532 are switched from a loose state to a tight state, and the detection piece can return to the initial position under the driving of the first inner clamping plate 423 and the fourth inner clamping plate 533.
The stamping process is repeated, the same position of the detection piece can be stamped for multiple times, the detection piece is detected for multiple times to obtain an average value, and the accuracy of the detection result is further improved.
Or the regulating wire wheel is in a first working state, and the solenoid valve between the wire wheel on the second spur gear 421 and the second spur gear 421 is powered off, so that the wire wheel on the second spur gear 421 can rotate relative to the second spur gear 421, the length of the first drawing wire 422 can be regulated, and the clamping point of the first inner clamping plate 423 on the detection piece is changed; the solenoid valve between the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 is de-energized, so that the wire wheel on the sixth spur gear 531 can rotate relative to the sixth spur gear 531, so that the length of the fourth drawing wire 532 can be adjusted, and the clamping point of the fourth inner clamping plate 533 to the detection member is changed; the clamping points of the first inner clamping plate 423 and the fourth inner clamping plate 533 to the detecting member are symmetrical about the median line of the long side of the top plate 103.
The adjustment wire wheel is in a second working state, so that the solenoid valve between the wire wheel on the second spur gear 421 and the second spur gear 421 is electrified, and the wire wheel on the second spur gear 421 and the second spur gear 421 synchronously rotate; the solenoid valve between the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 is energized, so that the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 rotate synchronously.
Starting the driving motor 710, wherein the driving motor 710 drives the bidirectional screw rod 720 to rotate, the bidirectional screw rod 720 drives the first push plate 721 to move, and the first push plate 721 drives the first inner clamping plate 423 to move, so that the first traction line 422 is tensioned; the bidirectional screw rod 720 drives the fourth push plate 724 to move, and the fourth push plate 724 drives the fourth inner clamping plate 533 to move, so that the fourth pulling line 532 is stretched; the position of the adjustment nut on the connection post 470 is such that the first and fourth inner clamping plates 423 and 533 each clamp the detection member.
And the stamping process is repeated, so that errors brought to the detection result due to the fact that the clamped part of the detection piece cannot be bent normally are reduced through the change of the clamping points, and the detection precision is improved.
Of course, the automatic detecting device for high-definition television frame strength provided by the present invention is not limited to the above embodiment, and several other embodiments different from the automatic detecting device for high-definition television frame strength in the above embodiment are provided below.
In other embodiments of the automatic detecting device for high-definition television frame strength provided by the invention, the difference from the above embodiments is that: the detecting piece can be a television frame or other plate-shaped plastic products.
In other embodiments of the automatic detecting device for high-definition television frame strength provided by the invention, the difference from the above embodiments is that: the adjusting mechanism 700 comprises an electric cylinder and a push plate, wherein the electric cylinder provides driving force for the movement of the push plate, and the push plate drives the inner clamping plate to move so as to lock the clamping point of the inner clamping plate.
In other embodiments of the automatic detecting device for high-definition television frame strength provided by the invention, the difference from the above embodiments is that: the transmission assembly further includes a third round bar 430, a fourth round bar 440, a fifth round bar 450, a sixth round bar 460, an eighth round bar 520, a tenth round bar 540, an eleventh round bar 550, and a twelfth round bar 560; the first inner clamp 400 further includes a second inner clamp plate 433 and a second draw line 432; the second inner clamp 500 further includes a third inner clamp plate 523 and a third draw line 522; the adjustment mechanism 700 also includes a second push plate 722 and a third push plate 723.
The diameters and lengths of the first, second, third, fourth, fifth and sixth round bars 410, 420, 430, 440, 450 and 460 are the same; the first round bar 410, the second round bar 420, the third round bar 430, the fourth round bar 440, the fifth round bar 450 and the sixth round bar 460 are rotatably disposed within the base 101, and the axes of the first round bar 410, the second round bar 420 and the third round bar 430 are parallel and coplanar, the plane being parallel to the top plate 103; the axis of the fourth round bar 440, the axis of the fifth round bar 450 and the axis of the sixth round bar 460 are parallel and coplanar, the plane being parallel to the top plate 103.
A pulley is coaxially and fixedly arranged on a first spur gear 412 on the first round bar 410; the two ends of the third round rod 430 are fixedly sleeved with a third spur gear 431, and a wire wheel is coaxially and rotatably arranged on the third spur gear 431.
The two ends of the fourth round bar 440 are fixedly sleeved with the first spur gear 412, and the first spur gear 412 on the fourth round bar 440 is coaxially and fixedly provided with a belt wheel; the two ends of the fifth round bar 450 are fixedly sleeved with a second spur gear 421, and a wire wheel is coaxially and rotatably arranged on the second spur gear 421 on the fifth round bar 450; the two ends of the sixth round bar 460 are fixedly sleeved with a third spur gear 431, and a wire wheel is coaxially and rotatably arranged on the third spur gear 431 on the sixth round bar 460; the first round bar 410 drives the fourth round bar 440 to rotate through the first driving belt 413.
A solenoid valve is arranged between the wire wheel on the second spur gear 421 and the second spur gear 421, and when the solenoid valve is electrified, the wire wheel on the second spur gear 421 and the second spur gear 421 synchronously rotate; when the solenoid valve is de-energized, the wire wheel on the second spur gear 421 and the second spur gear 421 are able to rotate relative to each other.
A solenoid valve is arranged between the wire wheel on the third spur gear 431 and the third spur gear 431, and when the solenoid valve is electrified, the wire wheel on the third spur gear 431 and the third spur gear 431 synchronously rotate; when the solenoid valve is de-energized, the spool on the third spur gear 431 and the third spur gear 431 are able to rotate relative to each other.
The first spur gear 412 is meshed at one end with the second spur gear 421 and at the other end with the third spur gear 431.
The number of the first driving belts 413 is two, one end of each of the two first driving belts 413 is sleeved on the belt wheel on the first round rod 410, and the other end of each of the two first driving belts 413 is sleeved on the belt wheel on the fourth round rod 440.
The number of the second inner clamping plates 433 is two, the two second inner clamping plates 433 are arranged in parallel up and down, and the two second inner clamping plates 433 are connected through the connecting column 470; the nuts adjust the clamping force of the two second inner clamping plates 433 to the detection member by adjusting the distance between the two second inner clamping plates 433.
The number of the first drawing lines 422 is four, wherein one end of each of the two first drawing lines 422 is wound on the reel of the second round bar 420, and the other end of each of the two first drawing lines 422 is hinged on the first inner clamping plate 423; the other two first pulling wires 422 are wound on the wire wheel of the fifth round bar 450 at one end and hinged on the second first inner clamping plate 423 at the other end.
The number of the second drawing lines 432 is four, wherein one end of each second drawing line 432 is wound on the reel of the third round bar 430, and the other end of each second drawing line 432 is hinged on the first second inner clamping plate 433; one end of the other two second pulling wires 432 is wound on the wire wheel of the sixth round bar 460, and the other end is hinged on the second inner clamping plate 433.
The double-shaft motor drives the first gear 611 to rotate, the first gear 611 drives the second gear 612 to rotate, the second gear 612 drives the fourth gear 631 to rotate, the fourth gear 631 drives the third bevel gear 632 to rotate through the first rotating shaft 630, the third bevel gear 632 drives the first bevel gear 411 to rotate, the first bevel gear 411 drives the first round bar 410 to rotate, and the first round bar 410 drives the second round bar 420 and the third round bar 430 to rotate through the first spur gear 412 on the one hand; on the other hand, the fourth round bar 440 is driven to rotate by the first transmission belt 413, and the fourth round bar 440 drives the fifth round bar 450 and the sixth round bar 460 to rotate by the first spur gear 412; when the punching column 620 moves downwards, the first drawing line 422 and the second drawing line 432 are released from the reel, and the first inner clamping plate 423 and the second inner clamping plate 433 only have clamping force to the detecting piece without shearing force; when the punching column 620 resets, the first drawing wire 422 and the second drawing wire 432 are wound on the wire reel, and the detection piece is driven by the first inner clamping plate 423 and the second inner clamping plate 433 to return to the initial position, so that the position of the punching column 620 is unchanged when the detection piece is punched again, and the testing precision is improved.
The seventh round bar 510, eighth round bar 520, ninth round bar 530, tenth round bar 540, eleventh round bar 550, and twelfth round bar 560 are all the same in diameter and length; the seventh round bar 510 and the first round bar 410 are both the same in diameter and length; the seventh round bar 510, the eighth round bar 520, the ninth round bar 530, the tenth round bar 540, the eleventh round bar 550, and the twelfth round bar 560 are rotatably disposed within the base 101, and the axes of the seventh round bar 510, the eighth round bar 520, and the ninth round bar 530 are parallel and coplanar, the plane being parallel to the top plate 103; the axis of the tenth round bar 540, the axis of the eleventh round bar 550, and the axis of the twelfth round bar 560 are parallel and coplanar, the plane being parallel to the top plate 103.
A belt wheel is coaxially and fixedly arranged on a fourth spur gear 512 on the seventh round bar 510; the two ends of the eighth round rod 520 are fixedly sleeved with a fifth spur gear 521, and a wire wheel is coaxially and fixedly arranged on the fifth spur gear 521.
The fourth spur gear 512 is fixedly sleeved at both ends of the tenth round rod 540, and a belt wheel is coaxially and fixedly arranged on the fourth spur gear 512 on the tenth round rod 540; both ends of the eleventh round bar 550 are fixedly sleeved with a fifth spur gear 521, and a wire wheel is coaxially and rotatably arranged on the fifth spur gear 521 on the eleventh round bar 550; the two ends of the twelfth round bar 560 are fixedly sleeved with a sixth spur gear 531, and a wire wheel is coaxially and rotatably arranged on the sixth spur gear 531 on the twelfth round bar 560; the seventh round bar 510 rotates the tenth round bar 540 through the second driving belt 513.
A solenoid valve is provided between the wire wheel on the fifth spur gear 521 and the fifth spur gear 521, and when the solenoid valve is energized, the wire wheel on the fifth spur gear 521 and the fifth spur gear 521 rotate synchronously; when the solenoid valve is de-energized, the wire wheel on the fifth spur gear 521 and the fifth spur gear 521 are able to rotate relative to each other.
A solenoid valve is arranged between the wire wheel on the sixth spur gear 531 and the sixth spur gear 531, and when the solenoid valve is electrified, the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 rotate synchronously; when the solenoid valve is de-energized, the wire wheel on the sixth spur gear 531 and the sixth spur gear 531 are able to rotate relative to each other.
The fourth spur gear 512 is meshed at one end with the fifth spur gear 521 and at the other end with the sixth spur gear 531.
The number of the second driving belts 513 is two, one end of each of the two second driving belts 513 is sleeved on the belt wheel on the seventh round bar 510, and the other end is sleeved on the belt wheel on the tenth round bar 540.
The number of the third inner clamping plates 523 is two, the two third inner clamping plates 523 are arranged in parallel up and down, and the two third inner clamping plates 523 are connected through the connecting post 470; the nuts adjust the clamping force of the two third inner clamping plates 523 to the detecting member by adjusting the distance between the two third inner clamping plates 523.
The number of the third drawing lines 522 is four, wherein one end of each of the two third drawing lines 522 is wound on the reel of the eighth round bar 520, and the other end of each of the two third drawing lines 522 is hinged on the first third inner clamping plate 523; the other two third pulling wires 522 are wound on the wire wheel of the eleventh round bar 550 at one end and hinged on the second third inner clamping plate 523 at the other end.
The number of the fourth drawing lines 532 is four, wherein one end of each of the two fourth drawing lines 532 is wound on the reel of the ninth round bar 530, and the other end of each of the two fourth drawing lines 532 is hinged on the first fourth inner clamping plate 533; the other two fourth pulling wires 532 are wound on the wire wheel of the twelfth round bar 560 at one end and hinged on the second fourth inner clamping plate 533 at the other end.
The double-shaft motor drives the first gear 611 to rotate, the first gear 611 drives the third gear 613 to rotate, the third gear 613 drives the fifth gear 641 to rotate, the fifth gear 641 drives the fourth bevel gear 642 to rotate through the second rotating shaft 640, the fourth bevel gear 642 drives the second bevel gear 511 to rotate, the second bevel gear 511 drives the seventh round bar 510 to rotate, and the seventh round bar 510 drives the eighth round bar 520 and the ninth round bar 530 to rotate through the fourth spur gear 512 on the one hand; on the other hand, the tenth round bar 540 is driven to rotate by the second transmission belt 513, and the tenth round bar 540 drives the eleventh round bar 550 and the twelfth round bar 560 to rotate by the fourth spur gear 512; the third drawing line 522 and the fourth drawing line 532 are released from the reel when the pressing bar 620 moves downward by the above-mentioned driving manner, and the third inner clamping plate 523 and the fourth inner clamping plate 533 have only clamping force to the detecting member without shearing force; when the punching column 620 is reset, the third drawing line 522 and the fourth drawing line 532 are wound on the reel, and the detecting member is driven by the third inner clamping plate 523 and the fourth inner clamping plate 533 to return to the initial position, so that the position of the punching column 620 is unchanged when the detecting member is punched again, and the testing precision is improved.
The second push plate 722 and the third push plate 723 are both slidably disposed on the base 101; the bidirectional screw 720 comprises two screw sections with opposite directions, the second push plate 722 can be rotatably sleeved on one of the screw sections, and a preset distance is reserved between the first push plate 721 and the second push plate 722; the third push plate 723 can be rotatably sleeved on the other screw rod section, and a preset distance is reserved between the third push plate 723 and the fourth push plate 724; the second push plate 722 is used for locking the clamping point of the second inner clamping plate 433; the third push plate 723 is used to lock the clamping point of the third inner clamping plate 523.
The first outer clamp 200 and the second outer clamp 300 clamp the two ends of the detection piece; selecting the first and fourth inner clamping plates 423 and 533 or the second and third inner clamping plates 433 and 523 to clamp the detecting member; first, the wire wheel is adjusted to be in a first working state, and the lengths of the first drawing wire 422 and the fourth drawing wire 532 or the second drawing wire 432 and the third drawing wire 522 are adjusted, so as to change the clamping points of the first inner clamping plate 423 and the fourth inner clamping plate 533 or the second inner clamping plate 433 and the third inner clamping plate 523 on the detecting element.
The adjusting wire wheel is in a second working state; starting the driving motor 710, wherein the driving motor 710 drives the bidirectional screw 720 to rotate, and the bidirectional screw 720 drives the first pushing plate 721, the second pushing plate 722, the third pushing plate 723 and the fourth pushing plate 724 to move, so that the first drawing line 422 and the fourth drawing line 532 are stretched or the second drawing line 432 and the third drawing line 522 are stretched; the position of the adjusting nut on the connection post 470 is such that the first and fourth inner clamping plates 423 and 533 or the second and third inner clamping plates 433 and 523 clamp the sensing element.
Starting a double-shaft motor, wherein the double-shaft motor drives the punching column 620 to vertically move downwards on one hand, so that the punching column 620 punches the detection piece, and the first inner clamping plate 423, the fourth inner clamping plate 533 or the second inner clamping plate 433 and the third inner clamping plate 523 synchronously move with the detection piece; on the other hand, the transmission assembly drives the wire wheel to rotate, so that the first drawing wire 422 and the fourth drawing wire 532 or the second drawing wire 432 and the third drawing wire 522 are released from the wire wheel, the first drawing wire 422 and the fourth drawing wire 532 or the second drawing wire 432 and the third drawing wire 522 are switched from a tightening state to a loosening state, and the first inner clamping plate 423 and the fourth inner clamping plate 533 or the second inner clamping plate 433 and the third inner clamping plate 523 only have clamping force on the detection piece and have no shearing force; after the stamping is finished, the double-shaft motor is reversed, and drives the stamping column 620 to vertically move upwards on one hand; on the other hand, the transmission assembly drives the reel to rotate, so that the first drawing wire 422 and the fourth drawing wire 532 or the second drawing wire 432 and the third drawing wire 522 are wound on the reel, the first drawing wire 422 and the fourth drawing wire 532 or the second drawing wire 432 and the third drawing wire 522 are switched from a loose state to a tight state, and the detection piece can return to the initial position under the driving of the first inner clamping plate 423 and the fourth inner clamping plate 533 or the second inner clamping plate 433 and the third inner clamping plate 523.
The stamping process is repeated, the same position of the detection piece can be stamped for multiple times, the detection piece is detected for multiple times to obtain an average value, and the accuracy of the detection result is further improved.
Or the adjusting wire wheel is in the first working state, and the lengths of the first drawing wire 422 and the fourth drawing wire 532 or the second drawing wire 432 and the third drawing wire 522 are adjusted, so that the clamping points of the first inner clamping plate 423 and the fourth inner clamping plate 533 or the second inner clamping plate 433 and the third inner clamping plate 523 on the detecting piece are changed.
Or the adjusting wire wheel is in a first working state, and the other group of inner clamping plates are switched to clamp the detection piece.
The wire wheel is in a second working state, the driving motor 710 is started, the driving motor 710 drives the bidirectional screw rod 720 to rotate, and the bidirectional screw rod 720 drives the first push plate 721, the second push plate 722, the third push plate 723 and the fourth push plate 724 to move, so that the first drawing wire 422 and the fourth drawing wire 532 are tensioned or the second drawing wire 432 and the third drawing wire 522 are tensioned; the position of the adjusting nut on the connection post 470 is such that the first and fourth inner clamping plates 423 and 533 or the second and third inner clamping plates 433 and 523 clamp the sensing element.
And the stamping process is repeated, so that errors brought to the detection result due to the fact that the clamped part of the detection piece cannot be bent normally are reduced through the change of the clamping points, and the detection precision is improved.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (6)
1. The utility model provides a high definition television frame intensity automation detection device for detect the stamping strength to detecting piece, detecting piece has first end and second end, high definition television frame intensity automation detection device includes:
a frame;
the first outer clamp is rotatably arranged on the rack and used for clamping the first end of the detection piece;
The second outer clamp is rotatably arranged on the rack and used for clamping the second end of the detection piece;
the stamping mechanism is used for stamping the detection piece;
the detection piece can move relative to the first outer clamp or the second outer clamp when the first outer clamp and the second outer clamp the detection piece; the first outer clamp and the second outer clamp have the same structure; the first outer clamp comprises a shell, a first clamping plate, a second clamping plate, a rolling shaft and a driving assembly, wherein the first clamping plate and the second clamping plate are slidably arranged on the shell; the roller is rotatably arranged on the first clamping plate and the second clamping plate; the driving assembly is arranged on the shell and is used for providing driving force for the first clamping plate and the second clamping plate to approach to or separate from each other; the first clamping plate and the second clamping plate are used for clamping the detection piece when being close to each other;
the driving assembly comprises a worm and a tooth column, and a worm wheel section and a straight tooth section are arranged on the tooth column; the worm is meshed with the worm wheel section; the straight tooth section is meshed with the first clamping plate; the straight tooth section is meshed with the second clamping plate;
The automatic high-definition television frame strength detection device further comprises a first inner clamp, a second inner clamp and an adjusting mechanism, wherein the first inner clamp comprises a first clamping unit; the second inner clamp comprises a second clamping unit; the first clamping unit and the second clamping unit are used for clamping the detection piece, and clamping points of the first clamping unit and the second clamping unit are arranged between the first outer clamp and the second outer clamp; the adjusting mechanism is used for locking the clamping points of the first clamping unit and the second clamping unit;
the first clamping unit and the second clamping unit comprise a traction wire, two inner clamping plates, a wire wheel and a locking part, wherein the two inner clamping plates are arranged in parallel up and down, and the detection part is arranged between the two inner clamping plates; the locking part is arranged on the inner clamping plate and is used for providing driving force for clamping the detection piece by the two inner clamping plates; the wire wheel can be rotatably arranged on the rack; one end of the pulling wire is wound on the wire wheel, and the other end of the pulling wire is arranged on the inner clamping plate; when the stamping mechanism stamps the detection piece, the inner clamping plate and the detection piece synchronously move, and the drawing line is switched from a tight state to a loose state; when the stamping mechanism is reset, the inner clamping plate and the detection piece synchronously move, and the pulling line is switched from a loose state to a tight state.
2. The automated high-definition television frame strength detection device according to claim 1, wherein the locking part comprises a connecting post and a nut, and two inner clamping plates are arranged on the connecting post; the nut can be arranged on the connecting column in a sliding manner, and the clamping force of the two inner clamping plates on the detection piece is adjusted by adjusting the distance between the two inner clamping plates.
3. The automated high-definition television frame strength detection device according to claim 1, wherein the wire wheel has two working states, and in a first working state, the wire wheel rotates to change the length of the drawing wire, and the length of the drawing wire is used for changing the clamping point of the inner clamping plate; when the stamping mechanism is in the second working state, when the stamping mechanism stamps the detection piece, the wire wheel rotates to enable the drawing wire to be released from the wire wheel, and when the stamping mechanism resets, the wire wheel rotates to enable the drawing wire to be wound on the wire wheel.
4. The automated high-definition television frame strength detection device of claim 1, wherein the adjustment mechanism comprises a push plate, the push plate being configured to move the inner clamping plate.
5. The automated high-definition television frame strength detection device according to claim 1, wherein the stamping mechanism comprises a stamping column and a transmission assembly, and the stamping column drives the wire wheel to rotate through the transmission assembly; when the stamping column stamps the detection piece, the stamping column drives the wire wheel to rotate through the transmission assembly so that the drawing wire is switched from a tight state to a loose state; when the punching column resets, the punching column drives the wire wheel to rotate through the transmission assembly, so that the drawing wire is switched from a loose state to a tight state.
6. The automated high-definition television frame strength detection device according to claim 5, wherein the transmission assembly comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a first rotation shaft, a second rotation shaft, a first round bar, a second round bar, a seventh round bar, and a ninth round bar, each of the first gear, the second gear, the third gear, the fourth gear, and the fifth gear being rotatably disposed on the frame; the punching column can drive the first gear to rotate; one end of the first gear is meshed with the second gear, the other end of the first gear is meshed with the third gear, the second gear is meshed with the fourth gear, and the third gear is meshed with the fifth gear; the fourth gear is arranged on the first rotating shaft, the first rotating shaft can drive the first round rod to rotate, and the first round rod can drive the second round rod to rotate; the fifth gear is arranged on the second rotating shaft, the second rotating shaft can drive the seventh round rod to rotate, and the seventh round rod can drive the ninth round rod to rotate; the wire wheel is arranged on the second round rod and the seventh round rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310445472.7A CN116242721B (en) | 2023-04-24 | 2023-04-24 | Automatic detection device for high-definition television frame strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310445472.7A CN116242721B (en) | 2023-04-24 | 2023-04-24 | Automatic detection device for high-definition television frame strength |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116242721A CN116242721A (en) | 2023-06-09 |
| CN116242721B true CN116242721B (en) | 2023-07-14 |
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