CN117433925A - Wardrobe hardware plate bending resistance detection device and method thereof - Google Patents
Wardrobe hardware plate bending resistance detection device and method thereof Download PDFInfo
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- CN117433925A CN117433925A CN202311763215.4A CN202311763215A CN117433925A CN 117433925 A CN117433925 A CN 117433925A CN 202311763215 A CN202311763215 A CN 202311763215A CN 117433925 A CN117433925 A CN 117433925A
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- 238000001514 detection method Methods 0.000 title claims abstract description 94
- 238000005452 bending Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title description 2
- 239000002131 composite material Substances 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending 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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/062—Special adaptations of indicating or recording means with mechanical indicating or recording means
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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
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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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
- G01N2203/0014—Type of force applied
- G01N2203/0021—Torsional
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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
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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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
- G01N2203/0605—Mechanical indicating, recording or sensing means
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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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- 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
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The invention belongs to the technical field of hardware plate detection, in particular to a clothes closet hardware plate bending-resistant detection device and a clothes closet hardware plate bending-resistant detection method. According to the invention, when bending resistance detection is carried out on the plate body with smaller deformation amplitude, the amplitude of the upper warp of the other end is amplified, and the continuous and stable pressurization of the counterweight mechanism is matched, so that the data of various aspects of the bending resistance of the plate body can be clearly observed and recorded; avoid traditional shortcoming that can only detect bending effect without extruding panel obvious crookedness.
Description
Technical Field
The invention relates to the technical field of hardware plate detection, in particular to a wardrobe hardware plate bending-resistant detection device and a wardrobe hardware plate bending-resistant detection method.
Background
In order to improve the sales volume of hardware board, the quality of hardware board needs continuous improvement, the degree of buckling resistance of hardware board is one of the important indexes of judging hardware board quality, at present, generally, the staff presses the hardware board with the hand, then observe whether the phenomenon of buckling appears in the hardware board, detect the degree of buckling resistance of hardware board, the hand of staff is made the pain by the hardware board easily like this, and the hardware board generally does not have to be fixed, the hardware board is easy to remove like this, inconvenient staff detects, so need other staff to push down the hardware board, more extravagant manpower like this.
Through retrieval, the patent with the Chinese patent application number of 201821801703.4 discloses bending resistance detection equipment for plate processing, which comprises a frame, wherein a first cylinder is fixedly connected to the top of the frame, a detection table is fixedly connected to the top of the first cylinder, an installation groove is formed in the top of the detection table, a rotating seat is fixedly connected to the inner wall of the installation groove, a screw rod is rotatably connected to the inner wall of the rotating seat, the screw rod penetrates through the detection table and extends to the outer part of the detection table, a servo motor is fixedly connected to one end of the screw rod, which deviates from the rotating seat, two threaded sliding blocks are connected to the surfaces of the screw rod in a threaded manner, and a bearing is fixedly connected to the top of the threaded sliding blocks; although the device is provided with the equipment capable of automatically bending the hardware plates, the device generates weak deformation at the observation end because some plates are strong in brittleness and are not easy to perceive, so that the bending resistance detection device and the bending resistance detection method capable of coping with the hardware plates with high brittleness are provided, and the bending resistance of the plates is obviously and correctly known.
Disclosure of Invention
Aiming at the technical problem that bending amplitude cannot be obviously detected when bending resistance detection is carried out on a plate with better brittleness in the prior art, the invention adopts the following technical scheme:
the utility model provides a wardrobe hardware panel anti-bending detection device, includes box detection platform, the side of box detection platform is close to the top and is fixed with horizontal bottom plate, and the bottom plate is rectangular shape structure, the upper surface of bottom plate is located the edge of two long limits and is fixed with the relative and parallel sideslip rail of opening respectively, two between the both ends of sideslip rail respectively sliding connection have wholly compound roller frame one and compound roller frame two mutually parallel, and be provided with the bearing roller group on compound roller frame one and the compound roller frame two respectively, the bearing roller group includes a thin roller and two bearing rollers one that are used for supporting, and thin roller's roll body length is greater than the width of the panel body that waits to detect; a counterweight mechanism is arranged above the plate body in the middle of the two carrier roller groups; the board body is close to the one end of box detection platform and is located positive corner and is provided with signal amplifier, and signal amplifier includes the layer board and the slip splint of centre gripping at board body tip, one side that the slip splint was kept away from to the layer board is fixed with the extension pointer, and the upper surface of box detection platform is close to the pointed end of extension pointer and is fixed with the scale post.
The invention is further arranged in that the composite roller frame I comprises two mutually parallel and vertical side mountains I, and the two side mountains I are respectively provided with corresponding bearing mounting holes for inserting and fixing bearings at the end parts of the carrier roller I and the fine roller; two sides of the second composite roller frame are two side hills, sliding gaps are formed in the middle of the two sides and the top of the second composite roller frame, the diameter of each sliding gap is matched with the outer diameter of the bearing, and the thin rollers at the two tops of the second composite roller frame can be easily taken out when the twisting detection is carried out.
The invention is further arranged in that the counterweight mechanism comprises a support column fixed in the middle of the top of the side sliding rail at the rear side, the top end of the support column is provided with a T-shaped slot, the middle of the T-shaped slot is connected with a sliding beam extending to the middle of the bottom plate in a sliding way, the end part of the upper surface of the sliding beam is provided with an anti-torsion sliding hole, the anti-torsion sliding hole is inserted with a sliding column in a sliding way, the top end of the sliding column is fixedly provided with a counterweight bracket, and the top end of the counterweight bracket is provided with a counterweight; the bottom of the sliding column is provided with an anti-falling slot with an inverted trapezoid structure, and a pressing strip is inserted in the anti-falling slot in a sliding manner.
The invention is further arranged in that a vertical sliding rail is reserved at one end, close to the lengthening pointer, of the upper surface of the supporting plate, a vertical threaded rod is arranged in the middle of the sliding rail, a boss sliding block is also connected in a sliding manner in the middle of the sliding rail, a penetrating screw hole matched with the threaded rod is formed in the middle of the boss sliding block, and a self-locking nut is screwed on the top of the boss sliding block, which is positioned on the outer wall of the threaded rod; the sliding clamping plate is fixed on the side surface of the boss sliding block; the clamping position can be adjusted at will by arranging the supporting plate with the threaded rod.
The invention is further arranged in that a bearing seat is embedded in the middle of the bottom plate, a transmission pipe is rotationally connected with the bearing seat, and a variable-pitch gear and a driven gear are respectively fixed on the outer walls of the circumferences of the upper end and the lower end of the transmission pipe; a first composite roller frame and a second composite roller frame are respectively fixed with a second rack push rod which is mutually symmetrical in center at one side opposite to the first composite roller frame, and the second rack push rods are respectively meshed with the variable-pitch gear; a motor frame is fixed on the lower surface of the bottom plate close to the middle part, a self-locking servo motor is fixed on the motor frame, and a driving gear meshed with the driven gear is fixed on the top end of an output shaft of the self-locking servo motor; the distance between the two carrier roller groups can be changed by matching the set distance-changing gear with the two rack push rods II, so that the distance between the supporting points of the plate body to be detected is changed, and the detection parameters are changed.
The invention is further arranged in that an inner ejector rod is inserted in the transmission pipe, and a gap is reserved between the outer wall of the inner ejector rod and the inner wall of the transmission pipe; the bottom of interior ejector pin is fixed with the bracket lath, and all is fixed with fixed davit between the lower surface of bracket lath's both ends and bottom plate, and the top of interior ejector pin is fixed with and supports tight spring, and supports the top of tight spring and be fixed with the main pipe of vertical horizontal, and the inner wall middle part of main pipe is fixed with the spring dog, and the both sides of spring dog all are fixed with reset extension spring, and the both ends that two reset extension springs are on the back all are fixed with L shape clamping lever.
The invention is further arranged in that the two side mountain top ends of the first composite roller frame are respectively fixed with a sliding rail bracket, the two groups of sliding rail brackets are respectively connected with a bearing sleeve in a sliding way, tapered roller bearings are respectively clamped in the bearing sleeves, the same anti-slip compression roller is arranged between the two tapered roller bearings, and the top ends of the two bearing sleeves are respectively provided with a self-locking screw rod; the bottom end of the self-locking screw is reserved with a ball, and the top end of the corresponding bearing sleeve is provided with a ball groove matched with the ball; the same connecting cross beam is fixed between the top ends of the two groups of slide rail brackets, and hexagonal nuts which are in threaded connection with the self-locking screw rods are embedded at both ends of the connecting cross beam; through the anti-skid press roller that sets up, can be when carrying out antitorque curved detection to panel body, can be earlier with one end level fixed, then carry out the torsional bending of the other end.
The invention is further arranged in that a sliding bearing frame is fixed on the upper surface of the box type detection table near the bottom plate, a sliding bearing is embedded in the middle of the sliding bearing frame, a torsion bar main shaft extending to the end part of the plate body is inserted in the sliding bearing in a sliding manner, one end of the torsion bar main shaft near the bottom plate is provided with a clamping slot, a clamping groove plate is clamped in the clamping slot and used for clamping the plate head part of the plate body, an anti-torsion rib is reserved on the outer wall of one end of the torsion bar main shaft far from the clamping groove plate, and a local gear is sleeved at the anti-torsion rib in a sliding manner; the upper surface of the box-type detection table is provided with a groove below the local gear, a first rack push rod meshed with the local gear is connected in the groove in a sliding manner, a return spring is fixed at the front end of the first rack push rod, a stop block plate is fixed at one end, away from the first rack push rod, of the return spring, and the stop block plate is fixed at the bottom of the groove; the upper surface of the box-type detection table is fixed with a lever pressing frame at the edge of one side far away from the reset spring, the rear side of the lever pressing frame is hinged with a pressing rod, the bottom end of the pressing rod is fixed with a rigid pull rope, and the inner wall of the bottom of the box-type detection table is fixed with a fixed pulley close to the rear side; the bottom of the box-type detection table is fixed with a spring tension meter near the front end, and a rigid pull rope bypasses the fixed pulley and is fixed on a hook of the spring tension meter.
The invention is further arranged in that an arc-shaped pressing block is fixed on the lower surface of the pressing rod close to the rotating shaft, and the bottom end of the arc-shaped pressing block is always contacted with the end part of the first rack pushing rod; to provide a force that pushes against the partial gear to rotate.
The wardrobe hardware plate bending resistance detection method comprises the following steps:
step one: before detection, preparing a plate body, wherein the length of the plate body is larger than or equal to that of the bottom plate, and the width of the plate body is smaller than that of the roll body of the fine roll; then taking out the balancing weight, and pulling the whole sliding beam back until a wide space on the upper surface of the bottom plate is reserved;
then reversely rotating the two self-locking screws at the same time to lift the anti-skid press roller, and penetrating the plate body to be detected from one side far away from the box-type detection table until both ends of the plate body are lapped on the upper surfaces of the two fine rollers;
step two: the supporting plate and the sliding clamping plate in the signal amplifier are fixed at the plate head, and the tip of the lengthened pointer is just pointed on the zero scale of the scale column; then two L-shaped clamping rods at the bottom clamp the middle parts of the front end and the rear end of the plate body; finally, pulling the sliding column of the sliding beam to the upper middle part of the plate body; inserting the pressing strip into the anti-drop slot;
step three: slowly adding a balancing weight to the balancing weight bracket, and observing the deflection amplitude of the lengthened pointer at the other side to record parameters;
step four: carrying out torsion bending resistance detection on the plate body, removing the balancing weight and the sliding beam at the moment, and simultaneously rotating two self-locking screws to downwards adjust the anti-slip compression roller so as to press one end of the plate body far away from the box-type detection table; the local gear and the torsion bar main shaft are driven to rotate by pulling the spring tension meter, so that the plate body is twisted and bent, at the moment, the deformation quantity generated under the action of the applied force can be obtained by observing the index of the lengthened pointer in a matched manner, and the torsion bar resistance value is obtained.
The beneficial effects of the invention are as follows:
1. the signal amplifier arranged at the end part of the plate body can amplify the bending resistance of the plate body with smaller deformation amplitude when the bending resistance detection is carried out on the plate body, and the bending resistance data of the plate body can be clearly observed and recorded by being matched with the continuous and stable pressurization of the counterweight mechanism; avoid traditional shortcoming that can only detect bending effect without extruding panel obvious crookedness.
2. Through the whole gliding counter weight mechanism around can setting up, not only can remove the rear side with counter weight mechanism before detecting, ensure that placing of panel body is accessible, reduce pressure in the suppression moreover, avoid big pressure to concentrate on a bit, also can adjust the pressure position through the back-and-forth sliding layering.
3. The middle parts of the front end and the rear end of the plate body can be clamped before bending by the female pipe arranged at the top end of the inner ejector rod and the two L-shaped clamping rods which are pulled towards the middle, so that the plate body can be prevented from sideslip caused by high pressure, and equipment collision caused by splashing of the plate body to the periphery can be prevented once the plate body is broken, and the equipment is effectively protected; and the indicating position of the lengthened pointer at the other end can be quickly read by generating stagnation when the pointer is broken.
4. The local gear and the torsion bar spindle can be driven to rotate by pulling the spring tension meter, then the plate body is twisted and bent, at the moment, the index of the lengthened pointer is observed in a matched mode, and the deformation of the plate body under the action of the applied force can be obtained, so that the torsion-resistant capacity value is obtained.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a wardrobe hardware board bending resistance detection device provided by the invention;
fig. 2 is a schematic bottom perspective view of a clothes closet hardware board bending resistance detection device according to the present invention;
fig. 3 is a front view of a wardrobe hardware board bending resistance detection device provided by the invention;
fig. 4 is a schematic structural diagram of a wardrobe hardware board bending resistance detection device before feeding detection;
fig. 5 is a schematic structural view of a composite roller frame in a wardrobe hardware plate bending resistance detection device according to the present invention;
fig. 6 is a schematic diagram of an explosion structure of a counterweight mechanism in a wardrobe hardware board bending resistance detection device according to the invention;
fig. 7 is a schematic structural diagram of a composite roller frame two in a wardrobe hardware board bending resistance detection device according to the present invention;
fig. 8 is a schematic diagram of the overall mechanical position structure of a pitch-changing gear in a wardrobe hardware board bending resistance detection device according to the present invention;
fig. 9 is a schematic diagram of an explosion structure of a signal amplifier in a wardrobe hardware board bending resistance detection device according to the present invention;
fig. 10 is a schematic structural diagram of a wardrobe hardware board bending resistance detection device according to the present invention when bending resistance detection is performed;
fig. 11 is a schematic structural diagram of the wardrobe hardware board bending resistance detection device according to the present invention when performing bending resistance detection;
fig. 12 is a front view of the device for detecting bending resistance of a wardrobe hardware board in the anti-bending detection.
In the figure: 1. a box-type detection table; 101. a groove; 2. a compression bar; 3. a lever pressing frame; 4. a partial gear; 5. a torsion bar spindle; 6. a sliding bearing frame; 7. a clamping groove plate; 8. a sliding beam; 801. a support column; 802. a sliding column; 803. pressing strips; 804. anti-torsion sliding holes; 805. a T-shaped slot; 9. a counterweight bracket; 10. balancing weight; 11. a connecting beam; 12. a slide rail bracket; 13. a side rail; 14. a first composite roller frame; 141. a side mountain I; 15. a bottom plate; 16. self-locking servo motor; 17. a composite roller frame II; 171. a second side mountain; 18. lengthening the pointer; 181. a supporting plate; 182. a sliding clamping plate; 183. a self-locking nut; 184. a boss slider; 19. a return spring; 20. a spring tension meter; 21. a rigid pull cord; 22. a scale column; 23. a plate body; 24. an L-shaped clamping rod; 241. a main pipe; 25. self-locking screw rods; 26. fixing a hanging column; 27. a driven gear; 28. an inner ejector rod; 29. a rack push rod I; 30. a variable-pitch gear; 31. a transmission tube; 32. a rack push rod II; 33. and a first idler roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In this embodiment, referring to fig. 1-12, an anti-bending detection device for a wardrobe hardware plate includes a box-type detection table 1, a horizontal bottom plate 15 is fixed on the side surface of the box-type detection table 1 near the top end, the bottom plate 15 is in a strip-shaped structure, side sliding rails 13 with opposite openings and parallel to each other are respectively fixed on the edges of two long sides of the bottom plate 15, a first composite roller frame 14 and a second composite roller frame 17 which are integrally parallel to each other are respectively connected between two ends of the two side sliding rails 13 in a sliding manner, carrier roller groups are respectively arranged on the first composite roller frame 14 and the second composite roller frame 17, each carrier roller group includes a thin roller and a first carrier roller 33 for supporting, and the length of the thin roller is greater than the width of a plate body 23 to be detected; a counterweight mechanism is arranged above the plate body 23 in the middle of the two carrier roller groups; a signal amplifier is arranged at the corner of the plate body 23, which is close to one end of the box-type detection table 1 and is positioned on the front face, the signal amplifier comprises a supporting plate 181 and a sliding clamping plate 182 which are clamped at the end part of the plate body 23, an extension pointer 18 is fixed at one side of the supporting plate 181, which is far away from the sliding clamping plate 182, and a scale column 22 is fixed at the top surface of the box-type detection table 1, which is close to the tip of the extension pointer 18; through the signal amplifier arranged at the end part of the plate body 23, when bending resistance detection is carried out on the plate body 23 with smaller deformation amplitude, the amplitude of the other upward warping can be amplified, and the continuous and stable pressurization of the counterweight mechanism is matched, so that the data of all aspects of the bending resistance of the plate body 23 can be clearly observed and recorded; avoid traditional shortcoming that can only detect bending effect without extruding panel obvious crookedness.
Referring to fig. 5 and 7, the first composite roller frame 14 includes two parallel and vertical side mountains 141, and the two side mountains 141 are respectively provided with corresponding bearing mounting holes for inserting and fixing the first carrier roller 33 and bearings at the end parts of the fine roller; two sides of the composite roller frame II 17 are two side mountain II 171, sliding gaps are formed in the middle of two sides and the top of the two side mountain II 171, the diameter of each sliding gap is matched with the outer diameter of the bearing, and the thin roller at the top end of the composite roller frame II 17 can be easily taken out when the twisting detection is carried out.
Referring to fig. 4 and 6, the counterweight mechanism includes a support column 801 fixed in the middle of the top of the side slip rail 13 at the rear side, wherein a T-shaped slot 805 is formed at the top end of the support column 801, a sliding beam 8 extending toward the middle of the bottom plate 15 is slidably connected in the T-shaped slot 805, an anti-torsion sliding hole 804 is formed at the upper surface end of the sliding beam 8, a sliding column 802 is slidably inserted in the anti-torsion sliding hole 804, a counterweight bracket 9 is fixed at the top end of the sliding column 802, and a counterweight 10 is placed at the top end of the counterweight bracket 9; the bottom end of the sliding column 802 is provided with an anti-falling slot with an inverted trapezoid structure, and a pressing bar 803 is inserted in the anti-falling slot in a sliding manner; through the weight mechanism that can whole gliding from front to back that sets up, not only can remove the rear side with weight mechanism before detecting, ensure that the placing of panel body 23 is accessible, reduce pressure in the suppression moreover, avoid big pressure to concentrate on a bit, also can adjust the pressure position through back and forth sliding layering 803.
Referring to fig. 9, a vertical sliding rail is reserved at one end, close to the lengthened pointer 18, of the upper surface of the supporting plate 181, a vertical threaded rod is arranged in the middle of the sliding rail, a boss sliding block 184 is also connected in a sliding manner in the middle of the sliding rail, a penetrating screw hole matched with the threaded rod is formed in the middle of the boss sliding block 184, and a self-locking nut 183 is screwed on the top of the threaded rod, which is positioned on the outer wall of the boss sliding block 184; the sliding clamping plate 182 is fixed on the side surface of the boss slider 184; by providing the carrier 181 with a threaded rod, the clamping position can be adjusted arbitrarily.
Referring to fig. 4 and 8, a bearing seat is embedded in the middle of the bottom plate 15, a transmission pipe 31 is rotatably connected to the bearing seat, and a variable-pitch gear 30 and a driven gear 27 are respectively fixed on the outer circumferential walls of the upper end and the lower end of the transmission pipe 31; a second rack push rod 32 which is mutually symmetrical in center is respectively fixed on one side opposite to the first composite roller frame 14 and the second composite roller frame 17, and the two second rack push rods 32 are respectively meshed with the variable-pitch gear 30; a motor frame is fixed on the lower surface of the bottom plate 15 near the middle part, a self-locking servo motor 16 is fixed on the motor frame, and a driving gear meshed with a driven gear 27 is fixed on the top end of an output shaft of the self-locking servo motor 16; the distance between the two carrier roller sets can be changed by matching the arranged distance-changing gear 30 with the two rack push rods 32, so that the distance between the supporting points of the plate body 23 to be detected is changed, and the detection parameters are changed.
Referring to fig. 4 and 8, an inner ejector rod 28 is inserted into the transmission tube 31, and a gap is reserved between the outer wall of the inner ejector rod 28 and the inner wall of the transmission tube 31; a bracket lath is fixed at the bottom end of the inner ejector rod 28, a fixed hanging post 26 is fixed between the two ends of the bracket lath and the lower surface of the bottom plate 15, a propping spring is fixed at the top end of the inner ejector rod 28, a main pipe 241 transversely arranged in the longitudinal direction is fixed at the top end of the propping spring, a spring stop block is fixed at the middle part of the inner wall of the main pipe 241, return tension springs are fixed at the two sides of the spring stop block, and L-shaped clamping rods 24 are fixed at the two opposite ends of the two return tension springs; the middle parts of the front end and the rear end of the plate body 23 can be clamped before bending by the main pipe 241 arranged at the top end of the inner ejector rod 28 and the two L-shaped clamping rods 24 pulled towards the middle, so that the plate body 23 can be prevented from sideslip caused by high pressure, and the plate body 23 can be prevented from splashing to the periphery to cause equipment collision once broken, and the equipment is effectively protected; and the indicating position of the lengthened pointer 18 at the other end can be quickly read by generating a stagnation when the pointer is broken off.
Referring to fig. 1-2, slide rail brackets 12 are fixed at the top ends of two side mountain 141 of a composite roller frame one 14, bearing sleeves are connected in a sliding manner in the two groups of slide rail brackets 12, tapered roller bearings are clamped in the bearing sleeves, the same anti-slip compression roller is arranged between the two tapered roller bearings, and self-locking screw rods 25 are arranged at the top ends of the two bearing sleeves; the bottom end of the self-locking screw rod 25 is reserved with balls, and the top end of the corresponding bearing sleeve is provided with ball grooves matched with the balls; the same connecting cross beam 11 is fixed between the top ends of the two groups of slide rail brackets 12, and hexagonal nuts which are in threaded connection with the self-locking screw rods 25 are embedded at both ends of the connecting cross beam 11; through the anti-slip compression roller that sets up, can be earlier with one end level fixed when carrying out anti-torsion bending detection to panel body 23, then carry out the twist bending of the other end.
Referring to fig. 1-4, a sliding bearing frame 6 is fixed on the upper surface of the box-type detection table 1 near the bottom plate 15, a sliding bearing is embedded in the middle of the sliding bearing frame 6, a torsion bar main shaft 5 extending to the end of the plate body 23 is inserted in the sliding bearing in a sliding manner, a clamping slot is formed in one end, close to the bottom plate 15, of the torsion bar main shaft 5, a clamping slot plate block 7 is clamped in the clamping slot and used for clamping the plate head part of the plate body 23, an anti-torsion rib is reserved on the outer wall of one end, far from the clamping slot plate block 7, of the torsion bar main shaft 5, and a local gear 4 is sleeved at the anti-torsion rib in a sliding manner; a groove 101 is formed in the upper surface of the box-type detection table 1 below the partial gear 4, a first rack push rod 29 meshed with the partial gear 4 is connected in the groove 101 in a sliding manner, a return spring 19 is fixed at the front end of the first rack push rod 29, a stop block plate is fixed at one end, far away from the first rack push rod 29, of the return spring 19, and the stop block plate is fixed at the bottom of the groove 101; a lever pressing frame 3 is fixed at the edge of one side of the upper surface of the box-type detection table 1 far away from the return spring 19, a pressing rod 2 is hinged to the rear side of the lever pressing frame 3, a rigid pull rope 21 is fixed at the bottom end of the pressing rod 2, and a fixed pulley is fixed on the inner wall of the bottom of the box-type detection table 1 close to the rear side; a spring tension meter 20 is fixed at the bottom of the box-type detection table 1 near the front end, and a rigid pull rope 21 bypasses a fixed pulley and is fixed on a hook of the spring tension meter 20; the local gear 4 and the torsion bar spindle 5 can be driven to rotate by pulling the spring tension meter 20, so that the plate body 23 is twisted and bent, and the index of the lengthened pointer 18 can be obtained by matching with the observation, so that the deformation caused by the action of the applied force can be obtained, and the torsion bending resistance can be obtained.
Referring to fig. 4, an arc-shaped pressing block is fixed on the lower surface of the pressing rod 2 near the rotating shaft, and the bottom end of the arc-shaped pressing block is always in contact with the end part of the first rack push rod 29; to provide a thrust force to cause rotation of the partial gear 4.
The wardrobe hardware plate bending resistance detection method comprises the following steps:
step one: before detection, preparing a plate body 23, wherein the length of the plate body is larger than or equal to that of the bottom plate 15, and the width of the plate body is smaller than that of the thin roller; then taking out the balancing weight 10, and then integrally pulling the sliding beam 8 back until a wide space on the upper surface of the bottom plate 15 is reserved;
then, reversely rotating the two self-locking screws 25 at the same time to lift the anti-skid press roller, and finally penetrating the plate body 23 to be detected from one side far away from the box-type detection table 1 until both ends of the plate body 23 are respectively lapped on the upper surfaces of the two fine rollers;
step two: the supporting plate 181 and the sliding clamping plate 182 in the signal amplifier are fixed at the plate head, and the tip of the lengthened pointer 18 is just pointed on the zero scale of the scale column 22; then two L-shaped clamping rods 24 at the bottom clamp the middle parts of the front end and the rear end of the plate body 23; finally, the sliding column 802 of the sliding beam 8 is pulled to the upper middle of the plate body 23; then the pressing bar 803 is inserted into the anti-falling slot;
step three: a counter weight 10 is slowly added to the counter weight bracket 9, and then the deflection amplitude of the lengthened pointer 18 at the other side is observed to record parameters;
step four: anti-torsion detection is carried out on the plate body 23, at the moment, the balancing weight 10 and the sliding beam 8 are removed, and simultaneously, the two self-locking screw rods 25 are rotated to downwards adjust the anti-slip compression rollers so as to press one end of the plate body 23 far away from the box-type detection table 1; the local gear 4 and the torsion bar spindle 5 are driven to rotate by pulling the spring tension meter 20, so that the plate body 23 is twisted and bent, and the deformation quantity generated under the action of the applied force can be obtained by observing the index of the lengthened pointer 18 in a matched manner, so that the torsion-resistant capacity value is obtained.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a wardrobe hardware panel anti-bending detection device, includes box detection platform (1), the side of box detection platform (1) is close to top and is fixed with horizontal bottom plate (15), and bottom plate (15) are rectangular shape structure, the upper surface of bottom plate (15) is located the edge of two long limits and is fixed with respectively that the opening is relative and sideslip rail (13) parallel to each other, its characterized in that, two between sideslip rail (13) both ends sliding connection respectively have wholly compound roller frame one (14) and compound roller frame two (17) parallel to each other, and be provided with bearing roller group on compound roller frame one (14) and the compound roller frame two (17) respectively, bearing roller group includes a thin roller and two bearing rollers one (33) that are used for supporting, and thin roller's roll body length is greater than the width of waiting to detect panel body (23); a counterweight mechanism is arranged above the plate body (23) in the middle of the two carrier roller groups; the board body (23) is close to the one end of box detection platform (1) and is located positive corner and is provided with signal amplifier, and signal amplifier includes layer board (181) and slip splint (182) of centre gripping at board body (23) tip, one side that slip splint (182) were kept away from to layer board (181) is fixed with extension pointer (18), and the top surface of box detection platform (1) is close to the pointed end of extension pointer (18) and is fixed with scale post (22).
2. The device for detecting bending resistance of a wardrobe hardware plate according to claim 1, wherein the first composite roller frame (14) comprises two parallel and vertical side first rollers (141), and the two side first rollers (141) are respectively provided with corresponding bearing mounting holes for inserting bearings for fixing the first carrier roller (33) and the end parts of the thin rollers; two sides of the composite roller frame II (17) are two side mountain II (171), sliding gaps are formed in the middle of two sides and the top of the two side mountain II (171), and the diameter of the sliding gaps is matched with the outer diameter of the bearing.
3. The wardrobe hardware plate bending resistance detection device according to claim 1, wherein the weight mechanism comprises a support column (801) fixed in the middle of the top of a side sliding rail (13) at the rear side, a T-shaped slot (805) is formed in the top end of the support column (801), a sliding beam (8) extending towards the middle of a bottom plate (15) is connected in a sliding manner in the T-shaped slot (805), an anti-torsion sliding hole (804) is formed in the end part of the upper surface of the sliding beam (8), a sliding column (802) is connected in the anti-torsion sliding hole (804) in a sliding manner, a weight bracket (9) is fixed at the top end of the sliding column (802), and a weight (10) is placed at the top end of the weight bracket (9); the bottom end of the sliding column (802) is provided with an anti-falling slot with an inverted trapezoid structure, and a pressing strip (803) is inserted in the anti-falling slot in a sliding manner.
4. The wardrobe hardware plate bending resistance detection device according to claim 1, wherein a vertical sliding rail is reserved on the upper surface of the supporting plate (181) near one end of the lengthened pointer (18), a vertical threaded rod is arranged in the middle of the sliding rail, a boss sliding block (184) is further connected in the middle of the sliding rail in a sliding manner, a penetrating screw hole matched with the threaded rod is formed in the middle of the boss sliding block (184), and a self-locking nut (183) is screwed on the top of the threaded rod, which is located at the top of the boss sliding block (184); the sliding clamping plate (182) is fixed on the side face of the boss sliding block (184).
5. The wardrobe hardware board bending resistance detection device according to claim 1, wherein a bearing seat is embedded in the middle of the bottom plate (15), a transmission pipe (31) is rotationally connected to the bearing seat, and a variable-pitch gear (30) and a driven gear (27) are respectively fixed on the outer walls of the circumferences of the upper end and the lower end of the transmission pipe (31); a second rack push rod (32) which is mutually symmetrical in center is respectively fixed on one side opposite to the first composite roller frame (14) and the second composite roller frame (17), and the two second rack push rods (32) are respectively meshed with the variable-pitch gear (30); the lower surface of bottom plate (15) is close to the middle part and is fixed with motor frame, and is fixed with auto-lock servo motor (16) on the motor frame, and the output shaft top of auto-lock servo motor (16) is fixed with the driving gear with driven gear (27) intermeshing.
6. The wardrobe hardware board bending resistance detection device according to claim 5, wherein an inner ejector rod (28) is inserted in the transmission pipe (31), and a gap is reserved between the outer wall of the inner ejector rod (28) and the inner wall of the transmission pipe (31); the bottom of interior ejector pin (28) is fixed with the bracket lath, and all is fixed with fixed davit (26) between the lower surface of bracket lath's both ends and bottom plate (15), and the top of interior ejector pin (28) is fixed with and supports tight spring, and supports the top of tight spring and be fixed with vertical transverse female pipe (241), and the inner wall middle part of female pipe (241) is fixed with the spring dog, and the both sides of spring dog all are fixed with reset extension spring, and the both ends that two reset extension springs are opposite to each other are all fixed with L shape clamping lever (24).
7. The wardrobe hardware plate bending resistance detection device according to claim 6, wherein the top ends of two side mountain one (141) of the composite roller frame one (14) are respectively fixed with a sliding rail bracket (12), bearing seat sleeves are respectively connected in a sliding manner in the two groups of sliding rail brackets (12), tapered roller bearings are respectively clamped in the bearing seat sleeves, the same anti-slip compression roller is arranged between the two tapered roller bearings, and self-locking screw rods (25) are respectively arranged at the top ends of the two bearing seat sleeves; the bottom end of the self-locking screw rod (25) is reserved with balls, and the top end of the corresponding bearing sleeve is provided with ball grooves matched with the balls; and the same connecting cross beam (11) is fixed between the top ends of the two groups of slide rail brackets (12), and hexagonal nuts which are in threaded connection with the self-locking screw rods (25) are embedded at the two ends of the connecting cross beam (11).
8. The wardrobe hardware board bending resistance detection device according to claim 7, wherein a sliding bearing frame (6) is fixed on the upper surface of the box-type detection table (1) close to a bottom plate (15), a sliding bearing is embedded in the middle of the sliding bearing frame (6), a torsion bar main shaft (5) extending to the end part of a board body (23) is inserted in the sliding bearing in a sliding manner, a clamping slot is formed in one end, close to the bottom plate (15), of the torsion bar main shaft (5), a clamping groove plate (7) is clamped in the clamping slot, a board head part of the board body (23) is clamped, a torsion bar rib is reserved on the outer wall of one end, far away from the clamping groove plate (7), of the torsion bar main shaft (5), and a local gear (4) is sleeved at the torsion bar rib in a sliding manner; the upper surface of the box-type detection table (1) is provided with a groove (101) below the local gear (4), a first rack push rod (29) meshed with the local gear (4) is connected in the groove (101) in a sliding manner, a return spring (19) is fixed at the front end of the first rack push rod (29), a stop plate is fixed at one end, far away from the first rack push rod (29), of the return spring (19), and the stop plate is fixed at the bottom of the groove (101); a lever pressing frame (3) is fixed at the edge of one side of the upper surface of the box-type detection table (1) far away from the reset spring (19), a pressing rod (2) is hinged to the rear side of the lever pressing frame (3), a rigid pull rope (21) is fixed at the bottom end of the pressing rod (2), and a fixed pulley is fixed on the inner wall of the bottom of the box-type detection table (1) close to the rear side; the bottom of the box-type detection table (1) is fixed with a spring tension meter (20) near the front end, and a rigid pull rope (21) bypasses a fixed pulley and is fixed on a hook of the spring tension meter (20).
9. The clothes closet hardware board bending-resistant detection device according to claim 8, wherein an arc-shaped pressing block is fixed on the lower surface of the pressing rod (2) close to the rotating shaft, and the bottom end of the arc-shaped pressing block is always in contact with the end portion of the first rack pushing rod (29).
10. The wardrobe hardware plate bending resistance detection method is suitable for the wardrobe hardware plate bending resistance detection device according to claim 9, and is characterized by comprising the following steps:
step one: before detection, preparing a plate body (23), wherein the length of the plate body is larger than or equal to that of the bottom plate (15), and the width of the plate body is smaller than that of the thin roller; then taking out the balancing weight (10), and then integrally pulling the sliding beam (8) back until a wide space on the upper surface of the bottom plate (15) is reserved;
then reversely rotating the two self-locking screw rods (25) at the same time to lift the anti-skid press roller, and finally penetrating the plate body (23) to be detected from one side far away from the box-type detection table (1) until both ends of the plate body (23) are respectively lapped on the upper surfaces of the two fine rollers;
step two: a supporting plate (181) and a sliding clamping plate (182) in the signal amplifier are fixed at the position of the plate head, and the tip of the lengthened pointer (18) is just pointed on the zero scale of the scale column (22); then two L-shaped clamping rods (24) at the bottom clamp the middle parts of the front end and the rear end of the plate body (23); finally, the sliding column (802) of the sliding beam (8) is pulled to the upper middle part of the plate body (23); then the pressing strip (803) is inserted into the anti-falling slot;
step three: slowly adding a balancing weight (10) on the balancing weight bracket (9), and observing the deflection amplitude of the lengthened pointer (18) at the other side to record parameters;
step four: anti-torsion detection is carried out on the plate body (23), at the moment, the balancing weight (10) and the sliding beam (8) are removed, and simultaneously, the two self-locking screws (25) are rotated to downwards regulate the anti-slip compression roller so as to press one end of the plate body (23) far away from the box-type detection table (1); the local gear (4) and the torsion bar main shaft (5) are driven to rotate by pulling the spring tension meter (20), so that the plate body (23) is twisted and bent, and the deformation quantity generated under the action of the applied force can be obtained by observing the index of the lengthened pointer (18) in a matched manner, so that the torsion-resistant capacity value is obtained.
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| CN202311763215.4A CN117433925B (en) | 2023-12-21 | 2023-12-21 | Wardrobe hardware plate bending resistance detection device and method thereof |
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| CN202311763215.4A CN117433925B (en) | 2023-12-21 | 2023-12-21 | Wardrobe hardware plate bending resistance detection device and method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT53354B (en) * | 1911-03-13 | 1912-05-10 | Gustav Hermann | Bend meter. |
| GB334347A (en) * | 1929-08-02 | 1930-09-04 | Rudolf Kronenberg | Improvements in and relating to measuring apparatus for rolled material |
| CN207317725U (en) * | 2017-06-20 | 2018-05-04 | 燕山大学 | A kind of measuring device of beam deflection |
| CN209311235U (en) * | 2018-11-02 | 2019-08-27 | 沭阳县青盛木业有限公司 | A kind of sheet fabrication bending resistance detection device |
| CN214199965U (en) * | 2021-01-28 | 2021-09-14 | 杭州泰川建设技术有限公司 | Be used for cracked early warning device of barricade |
| CN215812151U (en) * | 2021-09-10 | 2022-02-11 | 廊坊市燕美化工有限公司 | Curvature tester for coating on bent workpiece |
| CN114136775A (en) * | 2021-11-18 | 2022-03-04 | 安徽科技学院 | Performance testing device for low-dimensional photoelectric material |
| CN115638711A (en) * | 2022-11-01 | 2023-01-24 | 江苏神铸智能科技有限公司 | High-performance aluminum alloy material detection platform capable of reading micro deformation |
| CN116380635A (en) * | 2023-03-17 | 2023-07-04 | 大连理工大学 | Self-adaptive clamp for bending test of hard and brittle composite material and bending strength detection method |
-
2023
- 2023-12-21 CN CN202311763215.4A patent/CN117433925B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT53354B (en) * | 1911-03-13 | 1912-05-10 | Gustav Hermann | Bend meter. |
| GB334347A (en) * | 1929-08-02 | 1930-09-04 | Rudolf Kronenberg | Improvements in and relating to measuring apparatus for rolled material |
| CN207317725U (en) * | 2017-06-20 | 2018-05-04 | 燕山大学 | A kind of measuring device of beam deflection |
| CN209311235U (en) * | 2018-11-02 | 2019-08-27 | 沭阳县青盛木业有限公司 | A kind of sheet fabrication bending resistance detection device |
| CN214199965U (en) * | 2021-01-28 | 2021-09-14 | 杭州泰川建设技术有限公司 | Be used for cracked early warning device of barricade |
| CN215812151U (en) * | 2021-09-10 | 2022-02-11 | 廊坊市燕美化工有限公司 | Curvature tester for coating on bent workpiece |
| CN114136775A (en) * | 2021-11-18 | 2022-03-04 | 安徽科技学院 | Performance testing device for low-dimensional photoelectric material |
| CN115638711A (en) * | 2022-11-01 | 2023-01-24 | 江苏神铸智能科技有限公司 | High-performance aluminum alloy material detection platform capable of reading micro deformation |
| CN116380635A (en) * | 2023-03-17 | 2023-07-04 | 大连理工大学 | Self-adaptive clamp for bending test of hard and brittle composite material and bending strength detection method |
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