CN116296971A - Device and method for testing wear resistance of wood-plastic floor - Google Patents
Device and method for testing wear resistance of wood-plastic floor Download PDFInfo
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- CN116296971A CN116296971A CN202310586767.6A CN202310586767A CN116296971A CN 116296971 A CN116296971 A CN 116296971A CN 202310586767 A CN202310586767 A CN 202310586767A CN 116296971 A CN116296971 A CN 116296971A
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- 238000012360 testing method Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims description 29
- 238000003825 pressing Methods 0.000 claims description 5
- 238000013519 translation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification 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
- G01N3/56—Investigating resistance to wear or abrasion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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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
- G01N2203/026—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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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the field of floor testing machines, in particular to a wood-plastic floor wear-resistant performance testing device, and also relates to a use method of the wood-plastic floor wear-resistant performance testing device, which comprises a testing table and a rack, wherein the upper end of the testing table is provided with an extrusion friction structure; the invention is provided with the extrusion friction structure and the moving mechanism, so that different parts of the wood-plastic floor are subjected to different downward pressures, and the abrasion effect caused by different pressures is realized on one wood-plastic floor.
Description
Technical Field
The invention relates to the field of floor testing machines, in particular to a device for testing the wear resistance of a wood-plastic floor, and particularly relates to a use method of the device for testing the wear resistance of the wood-plastic floor.
Background
The floor is made of wood or other material. Because the floor is frequently stepped on at ordinary times, sometimes the floor is also subject to knocks and scratches, and the wear resistance of the floor is always a focus of attention of consumers. It is desirable that the purchased floor be durable and not prone to wear. Thus, the wear resistance of the floor is particularly important for the floor. Testing of the wear resistance of floors requires special equipment to complete.
The floor wear-resisting testing machine disclosed in China patent CN209470999U has the following working principle: the floor sample is placed on the test bench and fixed by using the floor fixing device, weights are manually added on the weight bearing disc of the pressure applying mechanism, so that the supporting rod moves downwards, the test press block contacts the floor sample, the motor is started, the belt fixing mechanism on the pressure applying mechanism is connected through a belt, the pressure applying mechanism can slide left and right in a reciprocating manner on two cylindrical guide rails, the pressure applying mechanism and the guide rails move stably through four first guide wheels arranged in the horizontal direction and four second guide wheels arranged in the vertical direction, the abrasion condition of the surface of the floor sample after the friction of the test press block is observed through the camera, the abrasion resistance of the floor sample is measured, after the measurement is finished, the hydraulic ejection mechanism is used for ejecting the weight bearing disc, so that a user can take out the disc-shaped weights more labor-saving, because the weight bearing disc is connected with the test press block through the supporting rod, the test press block is lifted up along with the lifting of the weight bearing disc, the test press block is also moved upwards away from the upper surface of the floor sample, the floor sample is taken out, and the test is finished.
In the testing machine in the scheme, in the testing process, only a stable pressing force can be generally provided, so that when the wear resistance of the floors under different pressures needs to be tested, a plurality of testing machines are needed to be used for testing a plurality of floors respectively.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the device and the method for testing the wear resistance of the wood-plastic floor.
In order to solve the problems in the prior art, the invention provides a wood-plastic floor wear-resisting performance testing device, which comprises a testing table used for placing and clamping a wood-plastic floor, wherein two opposite surfaces of the testing table are symmetrically provided with two racks, each rack comprises two vertical rods which are symmetrically arranged opposite surfaces, a cross rod is arranged between the upper ends of the two vertical rods, two ends of the testing table are respectively connected with the two cross rods, the upper end of the testing table is provided with an extrusion friction structure capable of providing different lower pressures for rubbing the wood-plastic floor, the extrusion friction structure comprises a first rack body, the lower end of the first rack body is provided with a friction roller, the outer circular surface of the friction roller is abutted against the surface of the wood-plastic floor, the upper end of the first rack body is provided with a connecting plate, the middle part of the lower surface of the connecting plate is connected with the first rack body, the upper end of the connecting plate is provided with a pressure applying structure used for providing different lower pressures, the lower end of the testing table is provided with a moving mechanism used for moving the friction extrusion structure, the lower end of the linear driving mechanism is provided with a moving plate, the moving plate is connected with an execution end of the linear driving mechanism, the moving plate is connected with the upper end of the linear driving mechanism, the lower end of the linear driving mechanism is provided with the two end of the linear driving mechanism is provided with a linkage plate, and the two ends of the linkage plate is used for changing the upper end of the linear driving plate, and the upper end of the linkage plate is connected with the upper end of the linear plate.
Preferably, the arc limit structure comprises an arc guide slide bar, the arc guide slide bar is at least provided with one, the round surface where the arc guide slide bar is located is perpendicular to the lower surface of the movable plate, two end faces of the arc guide slide bar are symmetrically provided with two second cross beams, the two second cross beams are respectively connected with two frames, the arc limit structure further comprises a second frame body, the second frame body is connected with the lower surface of the movable plate, sliding sleeves are rotatably arranged on the second frame body, the number of the sliding sleeves is identical to that of the arc guide slide bars, and the sliding sleeves are in one-to-one correspondence with the arc guide slide bars in a sliding manner.
Preferably, the linkage frame comprises a base and a top plate which are arranged face to face and parallel to each other, the base is connected with one end of the movable plate, the top plate is arranged above the connecting plate, a plurality of first limit guide rods are arranged between the base and the top plate, the lower ends of the first limit guide rods are connected with the base, the upper ends of the first limit guide rods are connected with the top plate, the middle parts of the first limit guide rods penetrate through the connecting plate and are in sliding connection with the connecting plate, a first pressure spring for providing additional downward pressure is sleeved on each first limit guide rod, the upper ends of the first pressure springs are connected with the top plate, and the lower ends of the first pressure springs are connected with the connecting plate.
Preferably, the linear driving mechanism comprises a moving block, the moving block is connected with the upper surface of the moving plate, a screw is arranged in the middle of the moving plate and is in transmission connection with the moving block, two sliding rods are symmetrically arranged on two sides of the screw and are in sliding connection with the moving block, two first cross beams are symmetrically arranged at two ends of the screw and are respectively connected with two frames, a driving motor capable of driving the screw to rotate positively and negatively is further arranged at one end of the screw, and a balancing block for balancing the weight of the driving motor is arranged at the other end of the screw.
Preferably, the lower extreme of two first crossbeams all is provided with the balanced structure that is used for keeping straight line actuating mechanism horizontally, balanced structure includes the third crossbeam, the both ends of third crossbeam are connected with two montants respectively, the upper end of third crossbeam is provided with two at least second spacing guide bars, the lower extreme and the third crossbeam of second spacing guide bar are connected, the upper end of second spacing guide bar passes first crossbeam and with first crossbeam sliding connection, still the cover is equipped with second compression spring on the second spacing guide bar, the one end and the first crossbeam of second compression spring are connected, the other end and the third crossbeam of second compression spring are connected.
Preferably, the lower extreme of roof is provided with the constant voltage structure that is used for keeping extrusion friction structure to the constant down force that wood plastic floor applys, and constant voltage structure includes the sliding plate, and the sliding plate sets up between roof and connecting plate, and sliding plate and all first spacing guide bar sliding connection, and the upper surface of sliding plate and the lower extreme butt of all first compression springs, the middle part of sliding plate upper surface is vertical to be provided with the second double-screw bolt, and the lower extreme and the sliding plate of second double-screw bolt are connected, and the upper end of second double-screw bolt upwards passes the roof, and the upper end of second double-screw bolt is provided with the adjusting nut who is used for adjusting sliding plate height.
Preferably, the pressure applying structure comprises a weight bearing tray, the lower surface of the weight bearing tray is connected with the upper surface of the connecting plate, a first vertical stud is arranged in the middle of the upper surface of the weight bearing tray, and a locking ring for fixing weights on the weight tray is sleeved on the first stud.
Preferably, the both sides of connecting plate are provided with the mechanism that cleans that is used for cleaning friction roller surface piece, clean the mechanism and clean the structure including first cleaning structure and second, first cleaning structure and second clean the structure and set up respectively in the both sides of connecting plate, first cleaning structure is equipped with the cleaning roller including the roller bearing of setting in friction roller one side on the roller bearing, the both ends of roller bearing all are provided with the gyro wheel, be provided with two link between roller bearing and the connecting plate, the link is connected roller bearing and connecting plate, the second cleans the structure and the first structure that cleans the structure is the same, the both sides of testboard upper surface are provided with two guide rails with two gyro wheel matched with.
Preferably, the connecting frame comprises a slide seat and a connecting bracket, wherein the slide seat is fixedly connected with the connecting plate, the lower end of the connecting bracket is connected with the rolling shaft, the upper end of the connecting bracket penetrates through the slide seat and is in sliding connection with the slide seat, the upper half part of the connecting bracket is further sleeved with a third pressure spring, one end of the third pressure spring is connected with the slide seat, and the other end of the third pressure spring is connected with the lower end of the connecting bracket.
A testing method of a wood-plastic floor wear-resisting performance testing device comprises the following steps:
s1, placing a wood-plastic floor on a test bench, and clamping and fixing the wood-plastic floor by the test bench;
s2, abutting the friction roller with the wood-plastic floor, and then adding weights to enable the pressure applying structure to provide enough downward pressure;
s3, the linear driving mechanism drives the moving plate to move along the arc-shaped guide sliding rod, and when the arc-shaped guide sliding rod enables the moving plate to be far away from the connecting plate, the first pressure spring is compressed, so that the friction force of the friction roller on the wood-plastic floor is increased;
s4, when the wood-plastic floor is required to be rubbed by constant downward pressure, the adjusting nut is rotated, and the sliding plate is lifted upwards, so that the first pressure spring is separated from the connecting plate;
s5, the connecting plate pushes the roller to rotate when moving, the roller drives the roller to rotate, and the roller drives the cleaning roller to rotate.
Compared with the prior art, the beneficial effects of this application are:
1. the invention is provided with the extrusion friction structure and the moving mechanism, the friction roller is abutted against the surface of the wood-plastic bottom plate, the downward pressure provided by the pressure applying structure is regulated, the linear driving mechanism works to drive the moving plate to reciprocate, the arc limiting structure limits the translation path of the moving plate, when the distance between the moving plate and the test bench is minimum, the pressure of the friction roller on the wood-plastic bottom plate is equal to the downward pressure of the pressure applying structure kicking, when the moving plate is far away from the test bench along the arc limiting structure, the moving plate applies downward force to the connecting plate through the linkage frame, so that the pressure of the friction roller on the wood-plastic bottom plate is increased, different parts of the wood-plastic bottom plate are subjected to different downward pressures, and the abrasion effect caused by different pressures is realized on one wood-plastic bottom plate.
2. The invention is provided with the arc-shaped guide rod, the second frame body and the sliding sleeve, when the linear driving mechanism drives the moving plate to move, the moving plate pushes the sliding sleeve to slide along the arc-shaped guide sliding rod, and the sliding sleeve and the second frame body relatively rotate in the moving process, so that the moving plate is always in a horizontal state for translation, and the downward pressure provided by the pressure applying structure can vertically act on the wood-plastic floor.
3. According to the invention, the first limit guide rod and the first pressure spring are arranged, the movable plate moves along the arc-shaped guide slide rod, the connecting plate is driven to move through the linkage frames at the two ends, when the movable plate is far away from the test bench, the movable plate pulls the first limit guide slide rod to move downwards, the first pressure spring is compressed, so that the first pressure spring obtains elastic potential energy, and the first pressure spring can apply additional downward force to the connecting plate, so that the pressure provided by the friction roller to the wood-plastic floor in the moving process is increased, and the wood-plastic floor is not broken.
Drawings
Fig. 1 is a front view of a wood-plastic floor wear resistance testing device.
Fig. 2 is a left side view of a device for testing the wear resistance of a wood-plastic floor.
Fig. 3 is a cross-sectional view at A-A in fig. 2.
Fig. 4 is a perspective view of a device for testing the wear resistance of a wood-plastic floor.
Fig. 5 is a perspective view of a moving plate and an arc-shaped limiting structure in the wood-plastic floor wear resistance testing device.
Fig. 6 is a perspective view of a connecting plate, a moving plate and a linkage frame in the wood-plastic floor wear resistance testing device.
Fig. 7 is a perspective view of a frame, a moving plate, a linear driving mechanism and a balance structure in the wood-plastic floor wear resistance testing device.
Fig. 8 is a perspective view of a linkage frame and a constant pressure structure in the wood-plastic floor wear resistance testing device.
Fig. 9 is a perspective view of a connection plate and a pressure applying structure in a wood-plastic floor wear resistance testing device.
Fig. 10 is a perspective view of a connecting plate and a cleaning mechanism in a device for testing the wear resistance of a wood-plastic floor.
Fig. 11 is a partially enlarged view at B in fig. 10.
The reference numerals in the figures are: 1-a test bench; 2-a frame; 21-a vertical rod; 22-cross bar; 3-extruding the friction structure; 31-a first frame; 32-friction roller; 33-connecting plates; 34-a pressure applying structure; 341-weight-carrying tray; 342-first stud; 343-a locking ring; 4-a moving mechanism; 41-a linear drive mechanism; 411-moving blocks; 412-a screw; 413-a slide bar; 414-a first beam; 415-a drive motor; 416-counterbalance; 42-moving plate; 43-arc limiting structure; 431-arc-shaped guide slide bar; 432-a second cross beam; 433-a second frame; 434-sliding sleeve; 44-linkage frame; 441-a base; 442-top plate; 443-a first limit guide bar; 444-a first pressure spring; 45-balanced structure; 451-a third beam; 452-second limit guide bar; 453-a second pressure spring; 46-constant pressure structure; 461-sliding plate; 462-a second stud; 463-adjusting the nut; 5-a cleaning mechanism; 51-a first cleaning structure; 511-a roller; 512-cleaning roller; 513-rollers; 514—a connection rack; 5141-a slide; 5142-connecting a stent; 5143-a third pressure spring; 52-a second cleaning structure; 53-guide rail.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 11, there is shown: the utility model provides a wood-plastic floor wear resistance testing arrangement, including being used for placing and pressing from both sides the testboard 1 of tight wood-plastic floor, the both ends face symmetry of testboard 1 is provided with two frames 2, frame 2 includes two montants 21 that face symmetry set up, be provided with horizontal pole 22 between the upper end of two montants 21, the both ends of testboard 1 are connected with two horizontal poles 22 respectively, the upper end of testboard 1 is provided with the extrusion friction structure 3 that can provide different lower pressures and rub wood-plastic floor, extrusion friction structure 3 includes first support body 31, the lower extreme of first support body 31 is provided with friction roller 32, the outer disc of friction roller 32 supports with the surface of wood-plastic floor tightly, the upper end of first support body 31 is provided with connecting plate 33, the middle part of connecting plate 33's lower surface is connected with first support body 31, the upper end of connecting plate 33 is provided with the pressure application structure 34 that is used for providing different lower pressures, the lower extreme of testboard 1 is provided with the moving mechanism 4 that is used for moving friction extrusion structure, moving mechanism 4 includes the straight line driving mechanism 41 that sets up different lower pressures, the lower extreme setting up along testboard 1 direction is provided with the straight line driving mechanism 41, the straight line driving mechanism that is provided with the end 42 and the straight line driving mechanism that is provided with the straight line driving mechanism 41, the straight line driving mechanism that is used for moving end 42 of straight line driving mechanism 42 and straight line driving mechanism 42, the straight line driving mechanism 44 that is used for moving end 42 is provided with end 42, the end of connecting plate 44 of connecting plate 42, the end is provided with end is provided with end 42, the end is provided with end 42 and is used for moving plate 42, the end and is moving plate is opposite end and is 4.
The wood-plastic floor is placed on the test bench 1, the test bench 1 clamps the wood-plastic floor, the wood-plastic floor is prevented from being displaced, then the friction roller 32 is abutted against the surface of the wood-plastic bottom plate, the downward pressure provided by the pressure applying structure 34 is adjusted, then the linear driving mechanism 41 works to drive the movable plate 42 to reciprocate, the arc limiting structure 43 limits the translation path of the movable plate 42, when the distance between the movable plate 42 and the test bench 1 is minimum, the pressure provided by the friction roller 32 on the wood-plastic floor is the same as the downward pressure provided by the pressure applying structure 34, when the movable plate 42 is far away from the test bench 1 along the arc limiting structure 43, the movable plate 42 applies downward force to the connecting plate 33 through the linkage frame 44, so that the pressure of the friction roller 32 on the wood-plastic bottom plate is increased, different parts of the wood-plastic floor are subjected to different downward pressures, and the abrasion effect caused by different pressures is realized on the wood-plastic floor.
Referring to fig. 3, 4 and 5, it is shown that: the arc limit structure 43 comprises an arc guide slide bar 431, the arc guide slide bar 431 is provided with at least one arc guide slide bar 431, the round surface where the arc guide slide bar 431 is located is perpendicular to the lower surface of the movable plate 42, two second cross beams 432 are symmetrically arranged on the opposite surface of the two ends of the arc guide slide bar 431, the two second cross beams 432 are respectively connected with the two frames 2, the arc limit structure 43 further comprises a second frame body 433, the second frame body 433 is connected with the lower surface of the movable plate 42, sliding sleeves 434 are rotatably arranged on the second frame body 433, the number of the sliding sleeves 434 is identical to that of the arc guide slide bars 431, and the sliding sleeves 434 are in one-to-one correspondence with the arc guide slide bars 431 in a sliding mode.
When the outer arc side of the arc-shaped guide slide bar 431 is upward, the pressure applied by the friction roller 32 to the wood-plastic floor is minimum when the movable plate 42 is in the middle of the arc-shaped guide slide bar 431, when the outer arc side of the arc-shaped guide slide bar 431 is downward, the pressure applied by the friction roller 32 to the wood-plastic floor is maximum when the movable plate 42 is in the middle of the arc-shaped guide slide bar 431, the linear driving mechanism 41 drives the movable plate 42 to move, the movable plate 42 pushes the sliding sleeve 434 to slide along the arc-shaped guide slide bar 431, and the sliding sleeve 434 and the second frame 433 relatively rotate in the moving process, so that the movable plate 42 is always in a horizontal state to translate, and the downward pressure provided by the pressure applying structure 34 can vertically act on the wood-plastic floor.
Referring to fig. 4 and 6, it is shown that: the linkage frame 44 comprises a base 441 and a top plate 442 which are arranged face to face and parallel to each other, the base 441 is connected with one end of the movable plate 42, the top plate 442 is arranged above the connecting plate 33, a plurality of first limit guide rods 443 are arranged between the base 441 and the top plate 442, the lower ends of the first limit guide rods 443 are connected with the base 441, the upper ends of the first limit guide rods 443 are connected with the top plate 442, the middle parts of the first limit guide rods 443 penetrate through the connecting plate 33 and are in sliding connection with the connecting plate 33, a first pressure spring 444 for providing additional downward pressure is sleeved on each first limit guide rod 443, the upper ends of the first pressure springs 444 are connected with the top plate 442, and the lower ends of the first pressure springs 444 are connected with the connecting plate 33.
The movable plate 42 moves along the arc-shaped guide sliding rod 431, the connecting plate 33 is driven to move through the linkage frames 44 at the two ends, when the movable plate 42 is far away from the test bench 1, the movable plate 42 pulls the first limit guide rod 443 to move downwards, the first pressure spring 444 is compressed, the first pressure spring 444 obtains elastic potential energy, and the first pressure spring 444 can apply additional downward force to the connecting plate 33, so that the pressure provided by the friction roller 32 to the wood-plastic floor in the moving process is continuously increased, the first pressure spring 444 is stretched, and the first limit guide rod 443 moves upwards, so that the wood-plastic floor cannot be broken due to the continuously increased pressure.
Referring to fig. 4 and 7, it is shown that: the linear driving mechanism 41 comprises a moving block 411, the moving block 411 is connected with the upper surface of the moving plate 42, a screw rod 412 is arranged in the middle of the moving plate 42 and is in transmission connection with the moving block 411, two sliding rods 413 are symmetrically arranged on two sides of the screw rod 412, the two sliding rods 413 are in sliding connection with the moving block 411, two first cross beams 414 are symmetrically arranged at two ends of the screw rod 412, the two first cross beams 414 are respectively connected with the two frames 2, a driving motor 415 capable of driving the screw rod 412 to rotate positively and negatively is further arranged at one end of the screw rod 412, and a balancing block 416 for balancing the weight of the driving motor 415 is arranged at the other end of the screw rod 412.
Since the driving motor 415 is disposed at one end of the linear driving mechanism 41, the balance block 416 is disposed at the other end of the linear driving mechanism 41, so that the linear driving mechanism 41 is balanced, the driving motor 415 drives the screw 412 to rotate, the rotation of the screw 412 drives the moving block 411 to move, the moving block 411 drives the moving plate 42 to move, the forward and reverse rotation of the driving motor 415 drives the screw 412 to forward and reverse rotate, and the forward and reverse rotation of the screw 412 drives the moving block 411 to reciprocate along the screw 412, so that the extrusion friction structure 3 is driven to repeatedly move along the wood-plastic bottom plate.
Referring to fig. 7, it is shown that: the lower extreme of two first crossbeams 414 all is provided with the balanced structure 45 that is used for keeping sharp actuating mechanism 41 horizontally, balanced structure 45 includes third crossbeam 451, the both ends of third crossbeam 451 are connected with two montants 21 respectively, the upper end of third crossbeam 451 is provided with two at least second spacing guide bars 452, the lower extreme and the third crossbeam 451 of second spacing guide bars 452 are connected, the upper end of second spacing guide bars 452 passes first crossbeam 414 and with first crossbeam 414 sliding connection, still the cover is equipped with second pressure spring 453 on the second spacing guide bars 452, the one end and the first crossbeam 414 of second pressure spring 453 are connected, the other end and the third crossbeam 451 of second pressure spring 453 are connected.
When the moving plate 42 moves away from or approaches the test bench 1 along the arc-shaped guide sliding rod 431, the linear driving mechanism 41 also follows the moving plate 42 to approach or move away from the test bench 1, and vibration cannot be avoided in the moving process, so that the balance structure 45 is arranged, the two first cross beams 414 respectively move along the two second limit guide sliding rods 413, two ends of the linear moving mechanism 4 keep synchronous movement, and the linear driving mechanism 41 keeps balance in the lifting process along with the moving plate 42.
Referring to fig. 4 and 6, it is shown that: the lower extreme of roof 442 is provided with the constant voltage structure 46 that is used for keeping the constant pressure that extrusion friction structure 3 applyed the wood-plastic floor, constant voltage structure 46 includes slide plate 461, slide plate 461 sets up between roof 442 and connecting plate 33, and slide plate 461 and all first spacing guide bar 443 sliding connection, slide plate 461's upper surface and the lower extreme butt of all first pressure springs 444, slide plate 461's upper surface's middle part is vertical to be provided with second double-screw bolt 462, the lower extreme of second double-screw bolt 462 is connected with slide plate 461, the upper end of second double-screw bolt 462 upwards passes roof 442, the upper end of second double-screw bolt 462 is provided with the adjustment nut 463 that is used for adjusting slide plate 461 height.
When the wear resistance of the wood-plastic floor needs to be detected by stable downward pressure, the adjusting nut 463 is rotated, the second stud 462 drives the sliding plate 461 to move upwards, the sliding plate 461 applies upward force to all the first pressure springs 444, all the first pressure springs 444 are compressed, the first pressure springs 444 are separated from the connecting plate 33, the moving plate 42 slides relatively with the connecting plate 33 in the process of driving the linkage frame 44 to move, and the first pressure springs 444 cannot apply downward force to the connecting plate 33, so that the testing device can use constant pressure to carry out wear resistance testing on the wood-plastic floor.
Referring to fig. 3 and 9, it is shown that: the pressure applying structure 34 comprises a weight bearing plate 341, the lower surface of the weight bearing plate 341 is connected with the upper surface of the connecting plate 33, a first vertical stud 342 is arranged in the middle of the upper surface of the weight bearing plate 341, and a locking ring 343 for fixing weights on the weight plate is sleeved on the first stud 342.
When the pressure applied to the wood-plastic floor by the extrusion friction structure 3 needs to be increased, a worker can increase the weight on the weight bearing disc 341, insert the weight on the first stud 342, and fix the weight on the weight bearing disc 341 by using the locking ring 343, so that the weight cannot fall off from the weight bearing disc 341 in the moving process of the extrusion friction structure 3.
Referring to fig. 3, 4 and 10, it is shown that: the both sides of connecting plate 33 are provided with the mechanism 5 that cleans that is used for cleaning friction roller 32 surface piece, clean the mechanism 5 and include first structure 51 and the second structure 52 that cleans, first structure 51 and second structure 52 that cleans set up respectively in the both sides of connecting plate 33, first structure 51 that cleans is including setting up the roller 511 in friction roller 32 one side, the cover is equipped with the roller 512 on the roller 511, the both ends of roller 511 all are provided with gyro wheel 513, be provided with two link 514 between roller 511 and the connecting plate 33, link 514 is connected roller 511 and connecting plate 33, second structure 52 that cleans is the same with the structure of first structure 51, the both sides of test bench 1 upper surface are provided with two guide rails 53 with two gyro wheels 513 matched with.
When the linear driving mechanism 41 drives the connecting plate 33 to move, the connecting plate 33 pushes the roller 513 to roll on the guide rail 53 through the connecting frame 514, the guide rail 53 provides certain resistance to the roller 513, so that the roller 513 rolls without sliding relative to the guide rail 53, the rolling of the roller 513 drives the roller 511 to rotate, the roller 511 drives the cleaning roller 512 to rotate, the cleaning roller 512 cleans the surface of the friction roller 32, and therefore the linear driving mechanism 41 drives the first cleaning structure 51 and the second cleaning structure 52 to work, and the friction effect of the friction roller 32 is maintained.
Referring to fig. 10 and 11, it is shown that: the connecting frame 514 comprises a slide 5141 and a connecting frame 5142, wherein the slide 5141 is fixedly connected with the connecting plate 33, the lower end of the connecting frame 5142 is connected with the roller 511, the upper end of the connecting frame 5142 passes through the slide 5141 and is in sliding connection with the slide 5141, a third pressure spring 5143 is sleeved on the upper half part of the connecting frame 5142, one end of the third pressure spring 5143 is connected with the slide 5141, and the other end of the third pressure spring 5143 is connected with the lower end of the connecting frame 5142.
When the movable plate 42 moves away from the test bench 1 along the arc-shaped guide sliding rod 431, the downward force applied to the connecting plate 33 increases, the connecting frame 514 is subjected to the downward force, the pressure applied to the guide rail 53 by the roller 513 increases, so that the force applied to the wood-plastic floor by the friction roller 32 changes and is uncontrollable, the sliding seat 5141, the connecting bracket 5142 and the third pressure spring 5143 are arranged, when the connecting frame 514 is subjected to the downward force, the connecting bracket 5142 and the sliding seat 5141 relatively slide, and the third pressure spring 5143 is compressed, so that the downward force applied to the connecting frame 514 by the connecting plate 33 is absorbed, and the supporting force provided by the roller 513 to the connecting plate 33 is avoided.
A testing method of a wood-plastic floor wear-resisting performance testing device comprises the following steps:
s1, placing a wood-plastic floor on a test bench 1, and clamping and fixing the wood-plastic floor by the test bench 1;
s2, abutting the friction roller 32 with the wood-plastic floor, and then adding weights to enable the pressure applying structure 34 to provide enough downward pressure;
s3, the linear driving mechanism 41 drives the moving plate 42 to move along the arc-shaped guide sliding rod 431, and when the arc-shaped guide sliding rod 431 enables the moving plate 42 to be far away from the connecting plate 33, the first pressure spring 444 is compressed, so that the friction force of the friction roller 32 on the wood-plastic floor is increased;
s4, when the wood-plastic floor needs to be rubbed by constant downward pressure, the adjusting nut 463 is rotated, and the sliding plate 461 is lifted upwards, so that the first pressure spring 444 is separated from the connecting plate 33;
s5, when the connecting plate 33 moves, the roller 513 is pushed to rotate, the roller 513 drives the roller 511 to rotate, and the roller 511 drives the cleaning roller 512 to rotate.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as 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 (10)
1. The utility model provides a wood-plastic floor wear resistance testing arrangement, including being used for placing and pressing from both sides test bench (1) of tight wood-plastic floor, both ends face symmetry of test bench (1) is provided with two frames (2), frame (2) are including two montants (21) that the symmetry set up, be provided with horizontal pole (22) between the upper end of two montants (21), both ends of test bench (1) are connected with two horizontal poles (22) respectively, a serial communication port, the upper end of test bench (1) is provided with extrusion friction structure (3) that can provide different downforce and rub wood-plastic floor, extrusion friction structure (3) include first support body (31), the lower extreme of first support body (31) is provided with friction roller (32), the outer disc of friction roller (32) supports with the surface on wood-plastic floor tightly, the upper end of first support body (31) is provided with connecting plate (33), the middle part of the lower surface of connecting plate (33) is connected with first support body (31), the upper end of connecting plate (33) is provided with and is used for providing pressure application structure (34) of different downforce, test bench (1) is provided with and is used for providing the linear motion mechanism (41) of different downforce, the lower extreme (41) is provided with linear motion mechanism (41) along the linear motion (41) of test bench (4) of moving mechanism) along the linear motion (41), the movable plate (42) is connected with the execution end of the linear driving mechanism (41), the lower end of the movable plate (42) is provided with an arc limiting structure (43) for limiting the translation position of the movable plate (42), two linkage frames (44) capable of changing the downward pressure of the extrusion friction structure (3) are symmetrically arranged at the two ends of the upper surface of the movable plate (42), the lower end of the linkage frames (44) is connected with the movable plate (42), and the upper end of the linkage frames (44) is connected with the connecting plate (33).
2. The device for testing the wear resistance of the wood-plastic floor according to claim 1, wherein the arc limiting structure (43) comprises an arc guide sliding rod (431), the arc guide sliding rod (431) is provided with at least one, the round surface where the arc guide sliding rod (431) is located is perpendicular to the lower surface of the movable plate (42), two second cross beams (432) are symmetrically arranged at two ends of the arc guide sliding rod (431), the two second cross beams (432) are respectively connected with the two frames (2), the arc limiting structure (43) further comprises a second frame body (433), the second frame body (433) is connected with the lower surface of the movable plate (42), sliding sleeves (434) are rotatably arranged on the second frame body (433), the number of the sliding sleeves (434) is identical to that of the arc guide sliding rods (431), and the sliding sleeves (434) are in one-to-one correspondence with the arc guide sliding rods (431).
3. The device for testing the wear resistance of the wood-plastic floor according to claim 1, wherein the linkage frame (44) comprises a base (441) and a top plate (442) which are arranged in parallel, the base (441) is connected with one end of the movable plate (42), the top plate (442) is arranged above the connecting plate (33), a plurality of first limit guide rods (443) are arranged between the base (441) and the top plate (442), the lower ends of the first limit guide rods (443) are connected with the base (441), the upper ends of the first limit guide rods (443) are connected with the top plate (442), the middle parts of the first limit guide rods (443) penetrate through the connecting plate (33) and are in sliding connection with the connecting plate (33), first pressure springs (444) for providing additional downward pressure are sleeved on each first limit guide rod (443), the upper ends of the first pressure springs (444) are connected with the top plate (442), and the lower ends of the first pressure springs (444) are connected with the connecting plate (33).
4. The wood-plastic floor wear resistance testing device according to claim 1, wherein the linear driving mechanism (41) comprises a moving block (411), the moving block (411) is connected with the upper surface of the moving plate (42), a screw (412) is arranged in the middle of the moving plate (42), the screw (412) is in transmission connection with the moving block (411), two sliding rods (413) are symmetrically arranged on two sides of the screw (412), the two sliding rods (413) are both in sliding connection with the moving block (411), two first cross beams (414) are symmetrically arranged on two ends of the screw (412), the two first cross beams (414) are respectively connected with the two frames (2), a driving motor (415) capable of driving the screw (412) to rotate positively and negatively is further arranged at one end of the screw (412), and a balancing block (416) for balancing the weight of the driving motor (415) is arranged at the other end of the screw (412).
5. The wood-plastic floor wear resistance testing device according to claim 4, wherein the lower ends of the two first cross beams (414) are respectively provided with a balance structure (45) for keeping the linear driving mechanism (41) horizontal, the balance structure (45) comprises a third cross beam (451), two ends of the third cross beam (451) are respectively connected with the two vertical rods (21), the upper end of the third cross beam (451) is provided with at least two second limit guide rods (452), the lower end of each second limit guide rod (452) is connected with the third cross beam (451), the upper end of each second limit guide rod (452) penetrates through the first cross beam (414) and is in sliding connection with the first cross beam (414), a second pressure spring (453) is further sleeved on each second limit guide rod (452), one end of each second pressure spring (453) is connected with the first cross beam (414), and the other end of each second pressure spring (453) is connected with the third cross beam (451).
6. A wood-plastic floor wear resistance testing device according to claim 3, characterized in that the lower end of the top plate (442) is provided with a constant pressure structure (46) for keeping the pressing force applied by the pressing friction structure (3) to the wood-plastic floor unchanged, the constant pressure structure (46) comprises a sliding plate (461), the sliding plate (461) is arranged between the top plate (442) and the connecting plate (33), the sliding plate (461) is slidably connected with all first limit guide rods (443), the upper surface of the sliding plate (461) is abutted with the lower ends of all first pressure springs (444), the middle part of the upper surface of the sliding plate (461) is vertically provided with a second stud (462), the lower end of the second stud (462) is connected with the sliding plate (461), the upper end of the second stud (462) upwards penetrates the top plate (442), and the upper end of the second stud (462) is provided with an adjusting nut (463) for adjusting the height of the sliding plate (461).
7. The device for testing the wear resistance of the wood-plastic floor according to claim 1, wherein the pressure applying structure (34) comprises a weight bearing disc (341), the lower surface of the weight bearing disc (341) is connected with the upper surface of the connecting plate (33), a first stud (342) which is vertically upwards is arranged in the middle of the upper surface of the weight bearing disc (341), and a locking ring (343) for fixing weights on the weight disc is sleeved on the first stud (342).
8. The device for testing the wear resistance of the wood-plastic floor according to claim 1, wherein cleaning mechanisms (5) for cleaning chips on the surface of the friction roller (32) are arranged on two sides of the connecting plate (33), the cleaning mechanisms (5) comprise a first cleaning structure (51) and a second cleaning structure (52), the first cleaning structure (51) and the second cleaning structure (52) are respectively arranged on two sides of the connecting plate (33), the first cleaning structure (51) comprises a roller (511) arranged on one side of the friction roller (32), cleaning rollers (512) are sleeved on the roller (511), rollers (513) are arranged at two ends of the roller (511), two connecting frames (514) are arranged between the roller (511) and the connecting plate (33), the connecting frames (514) are used for connecting the roller (511) with the connecting plate (33), the second cleaning structure (52) is identical to the first cleaning structure (51), and two guide rails (53) matched with the two rollers (513) are arranged on two sides of the upper surface of the test table (1).
9. The device for testing the wear resistance of the wood-plastic floor according to claim 8, wherein the connecting frame (514) comprises a sliding seat (5141) and a connecting support (5142), the sliding seat (5141) is fixedly connected with the connecting plate (33), the lower end of the connecting support (5142) is connected with the roller (511), the upper end of the connecting support (5142) penetrates through the sliding seat (5141) and is slidably connected with the sliding seat (5141), a third pressure spring (5143) is sleeved on the upper half part of the connecting support (5142), one end of the third pressure spring (5143) is connected with the sliding seat (5141), and the other end of the third pressure spring (5143) is connected with the lower end of the connecting support (5142).
10. A method for testing the wear resistance of a wood-plastic floor, which is applied to the device for testing the wear resistance of the wood-plastic floor according to any one of claims 1 to 9, and is characterized by comprising the following steps:
s1, placing a wood-plastic floor on a test bench (1), and clamping and fixing the wood-plastic floor by the test bench (1);
s2, abutting the friction roller (32) with the wood-plastic floor, and then adding weights to enable the pressure applying structure (34) to provide enough downward pressure;
s3, the linear driving mechanism (41) drives the moving plate (42) to move along the arc-shaped guide sliding rod (431), and when the arc-shaped guide sliding rod (431) enables the moving plate (42) to be far away from the connecting plate (33), the first pressure spring (444) is compressed, so that the friction force of the friction roller (32) on the wood-plastic floor is increased;
s4, when the wood-plastic floor needs to be rubbed by constant downward pressure, the adjusting nut (463) is rotated, and the sliding plate (461) is lifted upwards, so that the first pressure spring (444) is separated from the connecting plate (33);
s5, when the connecting plate (33) moves, the roller (513) is pushed to rotate, the roller (513) drives the roller (511) to rotate, and the roller (511) drives the cleaning roller (512) to rotate.
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