CN113776803A

CN113776803A - Mechanical property test equipment and method for furniture production

Info

Publication number: CN113776803A
Application number: CN202111095263.1A
Authority: CN
Inventors: 张云; 王德军; 王准; 刘兴旺
Original assignee: Lingbi Dejun Furniture Manufacturing Co ltd
Current assignee: Lingbi Dejun Furniture Manufacturing Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2021-12-10

Abstract

The invention relates to a furniture mechanical property experiment technology, which is used for solving the problems that the detection function of furniture is single and the detection of an internal partition is inconvenient during the mechanical detection, in particular to a mechanical property test device for furniture production; according to the invention, the supporting rod of the loading mechanism is pushed to be close to the connecting rod, so that the loading mechanism is C-shaped, mechanical tests can be carried out on structures such as the partition plates in the furniture by bypassing the top surface of the furniture, the accuracy of the results of the furniture mechanical tests on the partition plates is ensured, in addition, the piezoresistors in the detection plate unit can test the pressure distribution of the furniture on the ground, meanwhile, the hydraulic rods which are movably arranged are used for applying loads to the top end of the furniture from different directions, the bearing capacity of the side surface of the furniture to the loads is detected, the mechanical property of the furniture is comprehensively detected, and the problems that the detection function of the furniture is single and the detection of the internal partition plates is inconvenient during the mechanical tests are solved.

Description

Mechanical property test equipment and method for furniture production

Technical Field

The invention relates to a furniture mechanical property experiment technology, in particular to a mechanical property test device and a method for furniture production.

Background

As is well known, furniture needs to be subjected to various mechanical property tests, whether the furniture is qualified or not is known from test results, the furniture mechanical property test is a test for simulating the strength and bearing capacity of the furniture under the condition of disposable or repeated load, the mechanical property of the furniture is evaluated by adopting a furniture stress testing machine according to the normal use frequency of furniture products under the preset use condition and the loading size and the number of times, but most of the existing furniture mechanical property testing machines are used, because an outer frame is basically rectangular, a cylinder used in the test can only be pressed in the vertical or horizontal direction, and the furniture mechanical property testing machine cannot be suitable for various furniture with changeable appearances.

The patent with the application number of CN201621462229.8, in particular to a furniture mechanics testing machine, which proposes a technical scheme that furniture is placed through a slope and a sliding block so as to achieve the purpose that the furniture can be quickly and conveniently placed into a testing device, but the scheme still has defects in use, for example, when the furniture is tested in the scheme, a plurality of groups of cylinders used are all arranged vertically or horizontally, so that the mechanical property of the furniture can only be tested from the vertical direction and the horizontal direction, but the furniture is beautiful and comfortable to use, the appearance of the furniture often has inclined planes, curved surfaces and the like, when the cylinders in the scheme test the inclined planes, because the contact area is too small, the pressure of the contact surfaces is too large, the experimental result is influenced, the experimental result is not accurate enough, and the detection device in the scheme can only detect the deformation state of the furniture under stress, the function is too single, and people often pay attention to the pressure distribution of the furniture on the ground when the furniture is stressed and whether the furniture is easy to incline when the furniture is stressed by the pressure outside the gravity center; in addition, when testing the furniture that has the interlayer, only lean on the perpendicular push rod of top can't carry out pressure test to inside baffle under the outer circumstances of outer furniture of not breaking, nevertheless if destroy furniture outer back to the baffle test, can make furniture structure change again, lead to the testing result inaccurate for furniture mechanics testing machine has great limitation.

In view of the above technical problem, the present application proposes a solution.

Disclosure of Invention

The supporting rod of the loading mechanism is pushed to be close to the connecting rod, so that the loading mechanism is C-shaped, mechanical tests can be performed on structures such as a partition plate inside the furniture by bypassing the top surface of the furniture, accuracy of results of the mechanical tests on the partition plate during furniture is guaranteed, the furniture is placed on the detection plate during testing, piezoresistors inside the detection plate unit can convert self-received pressure into electric signals to be transmitted to the output device, pressure distribution of the furniture on the ground can be tested, meanwhile, the output ends of the pressing cylinder and the hydraulic rod can be automatically made to adapt to the outer surface of the furniture through the movably arranged end, and the problems that the furniture is single in detection function, large in limitation and inconvenient to detect the internal partition plate during mechanical testing are solved.

The purpose of the invention can be realized by the following technical scheme:

a mechanical property test device for furniture production comprises a main frame and a bottom plate, wherein the bottom plate is installed on the lower surface of the main frame, a side beam rod is installed between frames in the vertical direction of the main frame, the top end of the main frame is connected with a cross beam in a sliding mode, the outer wall of the cross beam is connected with a sliding sleeve in a sliding mode, the sliding sleeve is located on two sides of the cross beam and provided with through holes, and a loading mechanism penetrates through the through holes;

the load mechanism comprises connecting rods, supporting rods, connecting seats, clamping blocks, springs and limiting blocks, wherein grooves are formed in the upper surface and the lower surface of each connecting seat, the connecting rods and the supporting rods are connected inside the grooves, a plurality of groups of connecting rods are sequentially connected end to end through the connecting seats, the limiting blocks are fixedly mounted at the tops of the uppermost group of connecting rods, the bottoms of the lowermost group of connecting rods are movably connected with a steering mechanism through a shifting layer, a hydraulic rod is movably connected inside the steering mechanism, and tooth grooves are formed in the side walls of the supporting rods and the side walls of the connecting seats;

the detection device is characterized in that a detection plate is fixedly mounted on the upper surface of the base plate, sliding mechanisms are arranged on two sides of the detection plate, an inclined plate is fixedly mounted on one side of the main frame, and the sliding mechanisms are movably connected to the upper surfaces of the base plate and the inclined plate.

As a preferred embodiment of the invention, the steering mechanism comprises an installation seat, a slide rod, a rotating shaft, a guide plate, an installation frame and an installation plate, wherein the installation seat is fixedly connected to the lower surface of the connection seat, a hole is formed in the installation seat in the vertical direction, the slide rod penetrates through the hole, the top end of the slide rod is elastically connected with the installation seat through a tension spring, the bottom end of the slide rod is rotatably connected to the upper surface of the guide plate through the rotating shaft, a hole for the liquid pressure rod to extend out is formed in the upper surface of the guide plate, the installation frame is installed around the hole, the installation plate is fixedly installed at the top end of the installation frame, and the hydraulic rod is fixedly installed on the lower surface of the installation plate.

As a preferred embodiment of the invention, the upper part of the shift layer is movably connected with the support rod, the lower part of the shift layer is movably connected with the steering mechanism, a cavity is formed in the shift layer, the inside of the shift layer is rotatably connected with a belt, the upper surface of the belt is fixedly connected with an upper connecting block, the upper connecting block is connected with the support rod, the lower surface of the belt is fixedly connected with a lower connecting block, the lower part of the lower connecting block is fixedly connected with the steering mechanism, the inside of the shift layer is fixedly provided with a support plate, the outer surface walls of the upper connecting block and the lower connecting block are both fixedly provided with a baffle, the upper connecting block is slidably connected with the support plate through the baffle, the lower connecting block is slidably connected with the lower surface of the shift layer through the baffle, and the top end of the steering mechanism is slidably connected with the bottom end of the shift layer.

As a preferred embodiment of the present invention, the side beam rods include a horizontal side beam and a vertical side beam, the horizontal side beam is located at two ends of the horizontal beam, the vertical side beam is slidably connected to the main frame at two sides of the horizontal beam through a sliding seat, the outer wall of the side beam rod is slidably connected to a side beam cylinder through a sliding rail, a rotating frame is arranged at the top end of an output shaft of the side beam cylinder, clamping rods are fixedly installed inside the rotating frame, a universal shaft is connected between two groups of clamping rods in a clamping manner, a pressing cylinder penetrates through the middle of the universal shaft, the pressing cylinder is connected to the side wall of the rotating frame through a return spring, and the detection plate is composed of a plurality of detection units for detecting pressure.

As a preferred embodiment of the present invention, the sliding mechanism includes a sliding plate, a sliding seat and a sliding block, two flat sliding rails are disposed on the upper surface of the bottom plate, the cross section of each flat sliding rail is narrow at the top and wide at the bottom, the sliding block is slidably connected inside the flat sliding rails, the sliding seat is fixedly mounted on the upper surface of the sliding block, the sliding plate is connected between the two sliding seats in a clamping manner, and the sliding plate is located above the detection plate.

As a preferred embodiment of the present invention, the cross section of the connecting rod is rectangular, the cross section of the supporting rod is circular, the connecting rod is fixedly connected in a groove inside the connecting seat, and the supporting rod is slidably connected in the groove inside the connecting seat.

As a preferred embodiment of the present invention, the upper surface of the beam is rotatably connected with a driving wheel and a driven wheel through a bearing seat, the driven wheel is meshed with the connecting rod, the driving wheel is meshed with the connecting rod on the other side, the driven wheel is meshed with the driving wheel, the driving wheel is driven by a motor, and the motor is fixedly mounted on the upper surface of the beam.

As a preferred embodiment of the present invention, round holes are formed in two sides of the inside of the connecting seat, a spring is fixedly connected inside the round hole, a fixture block is fixedly installed at one end of the spring, the fixture block is elastically connected to the inner wall of the connecting seat through the spring, two sets of the fixture blocks are symmetrically arranged inside the connecting seat, and one side of the fixture block is connected to the support rod.

As a preferred embodiment of the present invention, an inclined plate is fixedly installed at one end of the main frame, an inclined slide rail is installed on the upper surface of the inclined plate, the inclined slide rail and the smooth rail are located on the same plane, the cross section of one end of the smooth rail close to the inclined slide rail is rectangular, the cross section of the inclined slide rail is rectangular, and a stop block is installed at the bottom end of the inclined slide rail.

The use method of the mechanical property test equipment for furniture production comprises the following steps:

the method comprises the following steps: the lifter is started to drive the transverse side beam to ascend, after the transverse side beam ascends to the top, the vertical side beam is pushed to one end of the main frame, which is far away from the inclined plate, and then the sliding block slides to drive the sliding mechanism to move to the lowest position of the inclined plate;

step two: placing furniture to be detected on a sliding plate on an inclined plate, moving the furniture to be detected through the sliding plate, driving a transverse side beam close to one side of the inclined plate to descend to the height of the middle section of the furniture by an elevator after the furniture slides to the upper part of a detection plate, extending out an air cylinder to abut against the outer wall of the furniture, moving the sliding plate to the direction close to the inclined plate, and drawing out the sliding plate from the lower part of the furniture due to the fact that the furniture is blocked by the air cylinder and returning to the inclined plate again;

step three: adjusting a transverse side beam and a vertical side beam on the main frame to enable air cylinders on the transverse side beam and the vertical side beam to be abutted to the outer wall of the furniture to be detected, and then enabling the load mechanism to be located above the furniture through a sliding cross beam;

step four: the motor is started, the motor drives the driving wheel to rotate, when the driving wheel rotates, the driven wheel on one side is pushed by the driving wheel to rotate reversely, the driving wheel and the driven wheel rotate simultaneously, the tooth grooves are pushed by the wheel teeth to move, the connecting rod is controlled to move up and down, and the hydraulic rod is close to the furniture to be detected;

step five: the loading mechanism continuously descends, the steering mechanism at the front end of the loading mechanism is contacted with the top of the furniture, when a guide plate in the steering mechanism is contacted with the top of the furniture, the guide plate is attached to the top of the furniture along the inclined direction of the upper surface of the furniture, and a hydraulic rod arranged above the guide plate rotates together with the guide plate, so that the hydraulic rod is perpendicular to the upper surface of the furniture;

step six: the hydraulic rod presses the furniture downwards to test the load of the furniture, meanwhile, the pressure of the hydraulic rod is transmitted to the detection plate by the furniture, different detection units in the detection plate record the magnitude of stress and transmit the magnitude of the stress to the output device, and the magnitude of the pressure of the base on the ground when the furniture is pressed is detected;

step seven: when a partition board inside the furniture is detected, the supporting rod is close to the connecting rod, the supporting rod drives the steering mechanism to extend in the opposite direction through a belt inside the shifting layer, so that the upper part of the shifting layer is C-shaped, the C-shaped notch is close to a furniture top plate, the steering mechanism and the hydraulic rod enter the furniture, the hydraulic rod is started, and the partition board inside the furniture is pressed through the hydraulic rod;

step eight: when mechanical properties of furniture are laterally detected, a side beam cylinder installed on a side beam rod extends out, the side beam cylinder drives a rotating frame to extend out, the rotating frame drives a pressing cylinder to move to be in contact with the side face of the furniture, the front end of the pressing cylinder contacts the side face of the furniture, if the side face of the furniture is a plane, the pressing cylinder directly extrudes the side face of the furniture, if the side face of the furniture is an inclined plane, one point of the front end of the pressing cylinder contacts the furniture firstly and inclines under the pushing of a rear side beam cylinder, when the pressing cylinder is vertical to the contact face, the side beam cylinder stops pushing, and the pressing cylinder is started to load the furniture, so that the mechanical properties of the furniture are tested;

step nine: the cross beam and the side beam rods move for multiple times, loads are applied to the furniture from different positions, and the load capacity of the furniture is tested. Compared with the prior art, the invention has the beneficial effects that:

1. when the furniture is subjected to mechanical experiments, the upper loading mechanism can apply loads to the furniture from the upper part, the state of the furniture when bearing the loads is tested, when the interior of the furniture needs to be tested, the support rod of the loading mechanism can be pushed to be close to the connecting rod, thereby leading the loading mechanism to present a C shape, and being capable of bypassing the top surface of the furniture to carry out mechanical tests on structures such as the clapboard and the like in the furniture, when the test part is replaced, the equipment does not need to be replaced, the test steps are effectively reduced, the working efficiency is increased, and when the internal clapboard is tested, the loading mechanism bypasses the top end of the furniture, so that the top end of the furniture does not need to be damaged, the real state of the furniture in use is restored to the maximum extent, the performance of a partition board in the furniture is not influenced by the removal of the top layer of the furniture, and the accuracy of a result when the partition board is subjected to a furniture mechanical test is ensured;

2. the existing furniture is used, because most of the floors of rooms are comfortable floors, the floors are low in hardness and easy to be pressed out traces by bases of the furniture, the pressure distribution of the furniture on the ground in use needs to be tested, the furniture is placed on a detection plate during testing, the detection plate consists of a plurality of detection units, piezoresistors in each unit can convert the pressure applied to the furniture into electric signals to be transmitted to an output device, the pressure distribution of the furniture on the ground can be tested when the furniture applies loads, meanwhile, the pressure distribution of the furniture on the ground can be tested when the furniture bears the loads at different positions by adjusting a cross beam and a sliding sleeve, so that the test result is more comprehensive and reliable, and the improvement of the furniture according to the test result is facilitated;

3. in order to be attractive or convenient to use, the bearing structures of a plurality of pieces of furniture are not plane, the stability of the pieces of furniture is crucial to the use safety in the using process of the pieces of furniture, the inclined bearing structures enable the pieces of furniture to bear the stress which is not perpendicular to the bottom surface, when the stability of the pieces of furniture is detected, the influence of the lateral stress on the stability of the pieces of furniture needs to be emphatically detected, when the stability of the stress on the top of the pieces of furniture is detected, the steering mechanism is abutted to the pieces of furniture, the guide plate is automatically attached to the inclined angle of the top end of the pieces of furniture according to the angle of the contact surface, so that the internal hydraulic rod is driven to rotate along with the guide plate, and as the hydraulic rod is vertically arranged with the guide plate through the bracket, the hydraulic rod can always keep perpendicular to the contact plane of the pieces of furniture, so that the hydraulic rod can push the pieces of furniture from different directions, when the stability of the lateral stress of the pieces of furniture is detected, the pressing cylinder which can rotate is used for fitting the inclined surface of the side surface, so that the safety of the furniture in use can be detected more comprehensively and accurately.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic view of the loading mechanism of the present invention;

FIG. 3 is a schematic view of a sliding structure of the support rod of the present invention;

FIG. 4 is a schematic view of the loading mechanism of the present invention during use;

FIG. 5 is a schematic view of a connecting seat structure of the present invention;

FIG. 6 is a schematic diagram of a fixture block structure according to the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 7 according to the present invention;

FIG. 8 is a schematic diagram of a shift layer structure according to the present invention;

FIG. 9 is an enlarged view of the structure at B in FIG. 8 according to the present invention;

FIG. 10 is a schematic view of the slider structure of the present invention;

FIG. 11 is a schematic diagram of the swash plate structure of the present invention;

FIG. 12 is a schematic view of the steering mechanism of the present invention;

FIG. 13 is a schematic view of the structure of the rotary frame of the present invention;

FIG. 14 is a schematic view of the structure of the clamping bar of the present invention;

FIG. 15 is a schematic side view of a shifting layer structure according to the present invention.

In the figure: 1. a main frame; 2. a cross beam; 3. a side rail; 301. a lateral beam; 302. a vertical side beam; 4. a sliding sleeve; 5. a load mechanism; 501. a connecting rod; 502. a support bar; 503. a connecting seat; 504. a clamping block; 505. a spring; 506. a limiting block; 6. a steering mechanism; 601. a mounting seat; 602. a slide bar; 603. a rotating shaft; 604. a guide plate; 605. a mounting frame; 606. mounting a plate; 7. detecting a plate; 8. a coasting mechanism; 801. a slide plate; 802. a slide base; 803. a slider; 9. a sloping plate; 10. a sliding seat; 11. a flat slide rail; 12. an inclined slide rail; 13. a hydraulic lever; 14. a driven wheel; 15. a driving wheel; 16. a motor; 17. a base plate; 18. a side beam cylinder; 19. a rotating frame; 20. a clamping rod; 21. a cardan shaft; 22. a pressing cylinder; 23. a reset spring; 24. a belt; 25. a support plate; 26. an upper connecting block; 27. a lower connecting block; 28. a baffle plate; 29. and a shift layer.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-9, a mechanical property testing apparatus for furniture production includes a main frame 1 and a bottom plate 17, where the main frame 1 is similar to a cuboid sideline to form a cuboid frame, the main frame 1 is provided with a sliding chute, the sliding chute is engaged with a roller in the sliding seat 10 to make the sliding seat 10 slide more stably, the bottom plate 17 is installed on the lower surface of the main frame 1, the upper surface of the bottom plate 17 and the upper surface of the bottom edge of the main frame 1 are on the same plane, and a groove is left at a position of the bottom plate 17 close to the bottom edge of the main frame 1, the sliding seat 10 can slide on the main frame 1 conveniently, a side beam rod 3 is installed between the frames in the vertical direction of the main frame 1, the side beam rod 3 is used for installing a cylinder in the horizontal direction, the top end of the main frame 1 is slidably connected with a cross beam 2, the cross beam 2 is used for suspending a sliding sleeve 4 and a load mechanism 5, and two ends of the cross beam 2 also slide on the main frame 1 through the sliding seat 10, the outer wall of the beam 2 is connected with a sliding sleeve 4 in a sliding manner, the width of the sliding sleeve 4 is larger than that of the beam 2 and is used for installing a load mechanism 5, through holes are formed in the sliding sleeve 4 and are positioned on two sides of the beam 2, the load mechanism 5 penetrates through the through holes, and the load mechanism 5 can slide up and down in the through holes;

the load mechanism 5 comprises a connecting rod 501, a supporting rod 502, a connecting seat 503, a clamping block 504, a spring 505 and a limiting block 506, wherein grooves are formed in the upper surface and the lower surface of the connecting seat 503, the connecting rod 501 and the supporting rod 502 are connected inside the grooves, the external dimension of the connecting rod 501 is the same as that of the connecting seat 503 so as to ensure the sliding stability of the connecting rod 501 and the connecting seat 503 in the sliding sleeve 4, a plurality of groups of connecting rods 501 are sequentially connected end to end through the connecting seat 503, different lengths can be set according to use requirements, the limiting block 506 is fixedly installed at the top end of the uppermost group of connecting rods 501, the hydraulic rod 13 is movably connected at the bottom end of the lowermost group of connecting rods 501 through a steering mechanism 6, when mechanical experiments are performed on furniture, the upper load mechanism 5 can apply load to the furniture through the hydraulic rod 13 from the upper side, the state of the furniture when bearing the load is tested, tooth grooves are formed in the side walls of the supporting rod 502 and the connecting seat 503, the tooth spaces are equal in interval, so that the driving wheel 15 and the driven wheel 14 can drive the load mechanism 5 to ascend or descend conveniently, and the furniture detection requirements of different heights can be met; the upper surface of the bottom plate 17 is fixedly provided with a detection plate 7, the cross section of the connecting rod 501 is rectangular, so that tooth sockets can be conveniently formed, the tooth sockets are matched with the driving wheel 15 and the driven wheel 14, the cross section of the supporting rod 502 is circular and can conveniently slide in the connecting seat 503, the connecting rod 501 is fixedly connected in a groove in the connecting seat 503, the supporting rod 502 is slidably connected in the groove in the connecting seat 503, when the interior of furniture needs to be tested, the supporting rod 502 of the load mechanism 5 can be pushed to be close to the connecting rod 501, so that the load mechanism 5 is C-shaped, the structures such as a partition board and the like in the interior of the furniture can be mechanically tested by bypassing the top surface of the furniture, equipment does not need to be replaced, the test steps are effectively reduced, the working efficiency is increased, the upper surface of the cross beam 2 is rotatably connected with the driving wheel 15 and the driven wheel 14 through a bearing seat, and the driven wheel 14 is meshed with the connecting rod 501, the driving wheel 15 is engaged with the connecting rod 501 on the other side, the up-and-down movement of the connecting rod 501 can be controlled by the rotation of the driving wheel 15 and the driven wheel 14, the driving wheel 15 is driven by the motor 16, the motor 16 is fixedly arranged on the upper surface of the beam 2, the motor 16 has a shaft locking function, when the motor 16 is not started, the output shaft of the motor 16 can not be pushed to rotate, the upper part of the shifting layer 29 is movably connected with the supporting rod 502, the lower part of the shifting layer is movably connected with the steering mechanism 6, the belt 24 is rotatably connected inside the shifting layer 29, the upper surface of the belt 24 is fixedly connected with the upper connecting block 26, the upper connecting block 26 is connected with the supporting rod 502, the belt 24 is driven to rotate by the movement of the supporting rod 502, the lower surface of the belt 24 is fixedly connected with the lower connecting block 27, when the belt 24 rotates, the lower part of the lower connecting block 27 is fixedly connected with the steering mechanism 6, and when the lower connecting block 27 rotates, the steering mechanism 6 can be driven to translate, the inside of the displacement layer 29 is fixedly provided with a support plate 25, the outer surface walls of the upper connecting block 26 and the lower connecting block 27 are fixedly provided with a baffle plate 28, the upper connecting block 26 is connected with the support plate 25 in a sliding manner through the baffle plate 28, so that the upper connecting block 26 can stably translate at a height to avoid moving up and down, the lower connecting block 27 is connected with the lower surface of the displacement layer 29 in a sliding manner through the baffle plate 28 to support the lower connecting block 27, so that the lower connecting block 27 cannot have excessive tension on the belt 24, the top end of the steering mechanism 6 is connected with the bottom end of the displacement layer 29 in a sliding manner, the steering mechanism 6 is clamped below the displacement layer 29 as shown in figure 15, so that the steering mechanism 6 can be pushed to horizontally slide by the lower connecting block 27 at the bottom end of the displacement layer 29 and cannot exert excessive tension on the lower connecting block 27, two sides inside the connecting seat 503 are provided with round holes, a spring 505 is fixedly connected inside the round holes, one end of the spring 505 is fixedly provided with a clamping block 504, the fixture blocks 504 are elastically connected to the inner wall of the connecting seat 503 through the springs 505, the two sets of fixture blocks 504 are symmetrically arranged inside the connecting seat 503, one side of each fixture block 504 is connected with the supporting rod 502, and when an internal partition board is tested, the loading mechanism 5 bypasses the top end of the furniture, so that the top end of the furniture does not need to be damaged, the real state of the furniture in use is restored to the maximum extent, the performance of the partition board in the furniture cannot be influenced due to the removal of the top layer of the furniture, and the accuracy of a result when the partition board is subjected to a furniture mechanical test is ensured.

Example two:

the existing furniture can only be applied with load to detect the deformation of the furniture from the upper part basically in the using process, and the stress distribution of the furniture cannot be tested;

referring to fig. 10-11, a mechanical property testing apparatus for furniture production includes a main frame 1 and a bottom plate 17, where the main frame 1 is similar to a rectangular side line to form a rectangular frame, a sliding slot is formed in the main frame 1, the sliding slot is engaged with a roller in the sliding seat 10, so that the sliding seat 10 slides more stably, the bottom plate 17 is installed on a lower surface of the main frame 1, an upper surface of the bottom plate 17 and an upper surface of a bottom edge of the main frame 1 are on the same plane, a slot is formed in a position of the bottom plate 17 close to a bottom edge of the main frame 1, the sliding seat 10 can slide on the main frame 1 conveniently, a detection plate 7 is fixedly installed on an upper surface of the bottom plate 17, and the detection plate 7 is used for detecting pressure distribution of a furniture base;

the sliding mechanism 8 comprises a sliding plate 801, sliding seats 802 and a sliding block 803, two flat sliding rails 11 are arranged on the upper surface of a bottom plate 17, the cross section of each flat sliding rail 11 is narrow at the top and wide at the bottom and is in a convex shape, the sliding block 803 is slidably connected inside the flat sliding rail 11, the appearance of the sliding block 803 is matched with the internal size of the cross section of the flat sliding rail 11, the sliding seats 802 are fixedly arranged on the upper surface of the sliding blocks 803, the sliding plates 801 are connected between the two groups of sliding seats 802 in a clamping manner, the sliding plates 801 are positioned above a detection plate 7, so that furniture can be driven to the position above the detection plate 7 by the sliding plates 801, the test detection of the furniture is facilitated, an inclined plate 9 is fixedly arranged at one end of a main frame 1, an inclined sliding rail 12 is arranged on the upper surface of the inclined plate 9, the projections of the inclined sliding rail 12 and the flat sliding rail 11 are positioned on the same straight line, the furniture is conveniently pushed up to the bottom plate 17 from a slope, the cross section of one end of the flat sliding rail 11 close to the inclined sliding rail 12 is rectangular, so that the sliding block 803 is transferred to the flat sliding rail 11 or transferred to the flat sliding rail 12 from the flat rail 11, the cross section of the inclined slide rail 12 is rectangular, the bottom end of the inclined slide rail 12 is provided with a stop block to prevent the slide block 803 from falling off the inclined plate 9, the detection plate 7 is composed of a plurality of detection units for detecting pressure, when in test, furniture is placed on the detection plate 7, the detection plate 7 is composed of a plurality of detection units, a piezoresistor in each unit can convert the pressure received by the piezoresistor into an electric signal to be transmitted to an output device, therefore, when the furniture applies load, the pressure distribution of the furniture to the ground can be tested, the two ends of the transverse beam 2 and the vertical side beam 302 are slidably connected on the outer wall of the main frame 1 through the sliding seat 10, the inside of the sliding seat 10 is connected with the outer wall of the main frame 1 through the roller, the two ends of the transverse side beam 301 are slidably connected on the outer wall of the main frame 1 through the lifter, and simultaneously, when the furniture is tested to bear loads at different positions by adjusting the transverse beam 2 and the sliding sleeve 4, the pressure distribution of the furniture to the ground makes the test result more comprehensive and reliable, is convenient for improve the furniture according to the test structure, and also increases the functional diversity of the furniture mechanical property test equipment.

Example three:

referring to fig. 12-14, a mechanical property testing device for furniture production includes a main frame 1 and a bottom plate 17, where the main frame 1 is similar to a cuboid sideline to form a cuboid frame, the main frame 1 is provided with a sliding chute, the sliding chute is engaged with a roller in a sliding seat 10 to make the sliding seat 10 slide more stably, the bottom plate 17 is installed on the lower surface of the main frame 1, a side beam rod 3 is installed between the frames in the vertical direction of the main frame 1, the side beam rod 3 is used for installing a cylinder in the horizontal direction, the top end of the main frame 1 is slidably connected with a cross beam 2, the cross beam 2 is used for suspending a sliding sleeve 4 and a load mechanism 5, the sliding sleeve 4 is provided with through holes at two sides of the cross beam 2, and a load mechanism 5 penetrates through the through holes, and the load mechanism 5 can slide up and down in the through holes;

the steering mechanism 6 comprises a mounting seat 601, a sliding rod 602, a rotating shaft 603, a guide plate 604, a mounting frame 605 and a mounting plate 606, the mounting seat 601 is fixedly connected to the lower surface of the connecting seat 503, the steering mechanism 6 is connected below the load mechanism 5, when the steering mechanism 6 contacts furniture, the guide plate 604 at the bottom end contacts the surface of the furniture firstly, when the surface of the furniture is horizontal, the guide plate 604 keeps horizontal and compresses the tension spring upwards, when the surface of the furniture is pressed by starting the hydraulic rod 13, when the surface of the furniture is inclined, one side of the guide plate 604 contacts the surface of the furniture firstly, and the guide plate 604 is inclined, a hole is formed in the vertical direction of the mounting seat 601, the sliding rod 602 penetrates through the hole, the sliding rod 602 can slide in the vertical direction of the mounting seat 601, the top end of the sliding rod 602 is elastically connected with the mounting seat 601 through the tension spring, when the guide plate 604 is inclined, one end which is inclined upwards is enabled to compress the tension spring and enable the included angle between the sliding rod 602 and the guide plate 604 to be changed, meanwhile, the sliding rod 602 moves upwards, the side wall of the sliding rod 602 is provided with a bulge, a tension spring is installed above the bulge, the tension spring can apply elastic force to the sliding rod 602 through the bulge, the other end of the tension spring abuts against the lower part of the installation seat 601 to play a supporting role, the diameter of the top end of the sliding rod 602 is increased to prevent the sliding rod 602 from sliding down from a hole of the installation seat 601, the bottom end of the sliding rod 602 is rotatably connected to the upper surface of the guide plate 604 through a rotating shaft 603, the sliding rod 602 always keeps in a vertical direction, the size of an included angle between the guide plate 604 and the sliding rod 602 can be changed, the guide plate 604 is naturally vertical to the sliding rod 602, when the guide plate 604 inclines to the same angle with the surface of furniture, the guide plate 604 is completely attached to the surface of the furniture, at the moment, the hydraulic rod 13 fixed on the guide plate 604 also rotates to be vertical to the surface of the furniture along with the guide plate 604 to vertically press the furniture, thereby maximally restoring the load condition of the furniture in use, the upper surface of the guide plate 604 is provided with a hole for the liquid pressure rod 13 to extend out, so that the liquid pressure rod 13 can apply pressure to furniture, a mounting frame 605 is mounted around the hole, the mounting frame 605 is vertical to the guide plate 604, a mounting plate 606 is fixedly mounted at the top end of the mounting frame 605, the mounting frame 605 is also vertical to the mounting plate 606, the liquid pressure rod 13 is fixedly mounted on the lower surface of the mounting plate 606, the direction of an output shaft of the liquid pressure rod 13 is also vertical to the mounting plate 606 and the guide plate 604, and the output shaft of the liquid pressure rod 13 is positioned at the center of the hole in the middle of the guide plate 604;

when mechanical property tests are carried out on the side surfaces of furniture, if the side surfaces of the furniture are vertically arranged planes, the side beam air cylinders 18 directly drive the pressing air cylinders 22 to test the side surfaces of the furniture, the side beam rods 3 comprise transverse side beams 301 and vertical side beams 302, the transverse side beams 301 are positioned at two ends of the transverse beams 2, are short in length and horizontally arranged, and are convenient for furniture to enter the main frame 1 from the lower part of the furniture, the vertical side beams 302 are positioned at two sides of the transverse beams 2, are long in length and vertically arranged, the transverse side beams 301 and the vertical side beams 302 have a reinforcing effect on the main frame 1 besides the installation air cylinders, the transverse side beams 301 are positioned at two ends of the transverse beams 2, the vertical side beams 302 are slidably connected on the main frame 1 at two sides of the transverse beams 2 through sliding seats 10, the side beam air cylinders 18 are slidably connected on the outer walls of the side beam rods 3 through sliding rails, the side beam air cylinders 18 can horizontally move, if the side surfaces of the furniture are not vertically arranged planes, the side beam air cylinders 18 firstly drive the pressing air cylinders 22 to contact the surfaces of the furniture, because furniture surface slope, consequently, press the surface that the one point of cylinder 22 output can contact furniture earlier, and curb girder cylinder 18 output shaft top is provided with swivel mount 19, the inside fixed mounting of swivel mount 19 has clamping rod 20, the block is connected with universal shaft 21 between two sets of clamping rod 20, universal shaft 21 middle part is worn to be equipped with and is pressed cylinder 22, thereby it rotates to drive to press cylinder 22 to take place between clamping rod 20, make and press cylinder 22 slope, until pressing cylinder 22 and furniture surface complete verticality, the length of curb girder cylinder 18 is fixed again, test the furniture surface through pressing cylinder 22, press cylinder 22 and swivel mount 19 lateral wall through reset spring 23 and link to each other, make and press cylinder 22 keeps the level under normal condition.

Example four:

referring to fig. 1-14, a method for using a mechanical property testing device for furniture production includes the following steps:

the method comprises the following steps: the lifter is started to drive the transverse side beam 301 to ascend, the ascending amplitude is determined according to furniture to be detected, the furniture can be ensured to pass through the lower part of the transverse side beam 301, the transverse side beam 301 is ascended to the top, the vertical side beam 302 is pushed to one end of the main frame 1, which is far away from the inclined plate 9, the furniture can conveniently enter, and then the sliding block 803 is slid, so that the sliding block 803 drives the sliding mechanism 8 to move to the lowest part of the inclined plate 9;

step two: the furniture to be detected is placed on a sliding plate 801 on an inclined plate 9, the furniture to be detected is conveyed through the sliding plate 801, after the furniture slides to the position above a detection plate 7, an elevator drives a transverse side beam 301 close to one side of the inclined plate 9 to descend to the height of the middle section of the furniture, an air cylinder extends out and abuts against the outer wall of the furniture, the position of the furniture is fixed, the furniture cannot retreat, the sliding plate 801 returns to the direction close to the inclined plate 9, the furniture cannot be pushed out together with the sliding plate 801 due to being blocked by the air cylinder, the sliding plate 801 is pulled out from the lower side of the furniture and returns to the inclined plate 9 again, and the furniture slides to the detection plate 7 from the sliding plate 801;

step three: adjusting a transverse side beam 301 and a vertical side beam 302 on the main frame 1 to enable air cylinders on the transverse side beam 301 and the vertical side beam 302 to be abutted to the outer wall of the furniture to be detected, and then enabling the load mechanism 5 to be located above the furniture through the sliding cross beam 2;

step four: the motor 16 is started, the motor 16 drives the driving wheel 15 to rotate, when the driving wheel 15 rotates, the driven wheel 14 on one side is pushed by the driving wheel 15 to rotate reversely, the driving wheel 15 and the driven wheel 14 rotate simultaneously, the tooth grooves are pushed to move through the gear teeth, the connecting rod 501 is controlled to move up and down, and the hydraulic rod 13 is close to the furniture to be detected;

step five: the loading mechanism 5 continues to descend, the steering mechanism 6 at the front end of the loading mechanism 5 is contacted with the top of the furniture, when the guide plate 604 in the steering mechanism 6 is contacted with the top of the furniture, the guide plate 604 is attached to the top of the furniture along the inclined direction of the upper surface of the furniture, and the hydraulic rod 13 arranged above the guide plate 604 rotates together with the guide plate 604, so that the hydraulic rod 13 is perpendicular to the upper surface of the furniture;

step six: the hydraulic rod 13 presses the furniture in the direction vertical to the contact surface to test the load of the furniture, meanwhile, the pressure of the hydraulic rod 13 is transmitted to the detection plate 7 from the furniture, different detection units are different in pressure due to the structure of the furniture, different detection units in the detection plate 7 record the stress and transmit the stress to the output device, and the pressure of the base on the ground when the furniture is pressed is detected;

step seven: when a partition board inside furniture is detected, the supporting rod 502 is close to the connecting rod 501, the supporting rod 502 drives the steering mechanism 6 to extend out in the opposite direction through the belt 24 inside the shifting layer 29, so that the upper part of the shifting layer 29 is C-shaped, then the C-shaped notch is close to a furniture top plate, the steering mechanism 6 and the hydraulic rod 13 enter the furniture, the hydraulic rod 13 is started, and the partition board inside the furniture is pressed through the hydraulic rod 13;

step eight: when the mechanical property of furniture is laterally detected, a side beam cylinder 18 installed on a side beam rod 3 extends, the side beam cylinder 18 drives a rotating frame 19 to extend, the rotating frame 19 drives a pressing cylinder 22 to move to be in contact with the side face of the furniture, the front end of the pressing cylinder 22 is in contact with the side face of the furniture, if the side face of the furniture is a plane, the pressing cylinder 22 directly extrudes the side face of the furniture, if the side face of the furniture is an inclined face, one point at the front end of the pressing cylinder 22 is in contact with the furniture firstly and inclines under the pushing of the rear side beam cylinder 18, when the pressing cylinder 22 is vertical to the contact face, the side beam cylinder 18 stops pushing, and the pressing cylinder 22 is started to load the furniture, so that the mechanical property of the furniture is tested;

step nine: the cross beam 2 and the side beam rods 3 move for multiple times, loads are applied to furniture from different positions, and the load capacity of the furniture is tested, so that the test result is more accurate and comprehensive.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A mechanical property test device for furniture production comprises a main frame (1) and a bottom plate (17), wherein the bottom plate (17) is installed on the lower surface of the main frame (1), a side beam rod (3) is installed between the frames in the vertical direction of the main frame (1), and the top end of the main frame (1) is connected with a cross beam (2) in a sliding mode, and is characterized in that the outer wall of the cross beam (2) is connected with a sliding sleeve (4) in a sliding mode, through holes are formed in the sliding sleeve (4) and located on two sides of the cross beam (2), and a loading mechanism (5) penetrates through the through holes;

the load mechanism (5) comprises a connecting rod (501), a supporting rod (502), a connecting seat (503), a fixture block (504), a spring (505) and a limiting block (506), wherein grooves are formed in the upper surface and the lower surface of the connecting seat (503), the connecting rod (501) and the supporting rod (502) are connected inside the grooves, a plurality of groups of connecting rods (501) are sequentially connected end to end through the connecting seat (503), the limiting block (506) is fixedly mounted at the top end of the uppermost group of connecting rods (501), a steering mechanism (6) is movably connected to the bottom end of the lowermost group of connecting rods (501) through a displacement layer (29), a hydraulic rod (13) is movably connected inside the steering mechanism (6), and tooth grooves are formed in the side wall of the supporting rod (502) and the side wall of the connecting seat (503);

the detection device is characterized in that a detection plate (7) is fixedly mounted on the upper surface of the base plate (17), sliding mechanisms (8) are arranged on two sides of the detection plate (7), an inclined plate (9) is fixedly mounted on one side of the main frame (1), and the sliding mechanisms (8) are movably connected to the upper surfaces of the base plate (17) and the inclined plate (9).

2. The mechanical property test equipment for furniture production according to claim 1, wherein the steering mechanism (6) comprises a mounting seat (601), a sliding rod (602), a rotating shaft (603), a guide plate (604), a mounting frame (605) and a mounting plate (606), the mounting seat (601) is fixedly connected to the lower surface of the connecting seat (503), a hole is formed in the mounting seat (601) in the vertical direction, the sliding rod (602) penetrates through the hole, the top end of the sliding rod (602) is elastically connected with the mounting seat (601) through a tension spring, the bottom end of the sliding rod (602) is rotatably connected to the upper surface of the guide plate (604) through the rotating shaft (603), a hole for the liquid pressure rod (13) to extend out is formed in the upper surface of the guide plate (604), the mounting frame (605) is mounted around the hole, and the mounting plate (606) is fixedly mounted at the top end of the mounting frame (605), and the hydraulic rod (13) is fixedly arranged on the lower surface of the mounting plate (606).

3. The mechanical property test equipment for furniture production according to claim 1, wherein the upper part of the shift layer (29) is movably connected with a support rod (502), the lower part of the shift layer is movably connected with a steering mechanism (6), a cavity is arranged in the shift layer (29), a belt (24) is rotatably connected in the shift layer (29), the upper surface of the belt (24) is fixedly connected with an upper connecting block (26), the upper connecting block (26) is connected with the support rod (502), the lower surface of the belt (24) is fixedly connected with a lower connecting block (27), the lower part of the lower connecting block (27) is fixedly connected with the steering mechanism (6), a support plate (25) is fixedly arranged in the shift layer (29), baffle plates (28) are fixedly arranged on the outer surface walls of the upper connecting block (26) and the lower connecting block (27), and the upper connecting block (26) is slidably connected with the support plate (25) through the baffle plates (28), lower connecting block (27) pass through baffle (28) and aversion layer (29) lower surface sliding connection, steering mechanism (6) top and aversion layer (29) bottom sliding connection.

4. The mechanical property test equipment for furniture production according to claim 1, wherein the side beam rod (3) comprises a transverse side beam (301) and a vertical side beam (302), the transverse side beam (301) is located at two ends of the transverse beam (2), the vertical side beam (302) is slidably connected to the main frame (1) at two sides of the transverse beam (2) through a sliding seat (10), the outer wall of the side beam rod (3) is slidably connected with a side beam cylinder (18) through a sliding rail, the top end of the output shaft of the side beam cylinder (18) is provided with a rotating frame (19), clamping rods (20) are fixedly installed inside the rotating frame (19), a universal shaft (21) is connected between the two groups of clamping rods (20) in a clamping manner, a pressing cylinder (22) penetrates through the middle of the universal shaft (21), and the pressing cylinder (22) is connected with the side wall of the rotating frame (19) through a reset spring (23), the detection plate (7) is composed of a plurality of detection units for detecting pressure.

5. The mechanical property test equipment for furniture production according to claim 1, wherein the sliding mechanism (8) comprises a sliding plate (801), sliding seats (802) and sliding blocks (803), two flat sliding rails (11) are arranged on the upper surface of the bottom plate (17), the cross section of each flat sliding rail (11) is narrow at the top and wide at the bottom, the sliding blocks (803) are slidably connected inside the flat sliding rails (11), the sliding seats (802) are fixedly installed on the upper surfaces of the sliding blocks (803), the sliding plates (801) are connected between the two groups of sliding seats (802) in a clamping manner, and the sliding plates (801) are located above the detection plate (7).

6. The mechanical property test equipment for furniture production according to claim 1, wherein the cross section of the connecting rod (501) is rectangular, the cross section of the supporting rod (502) is circular, the connecting rod (501) is fixedly connected in a groove inside the connecting seat (503), and the supporting rod (502) is slidably connected in a groove inside the connecting seat (503).

7. The mechanical property test equipment for furniture production according to claim 1, wherein the upper surface of the beam (2) is rotatably connected with a driving wheel (15) and a driven wheel (14) through a bearing seat, the driven wheel (14) is meshed with the connecting rod (501), the driving wheel (15) is meshed with the connecting rod (501) on the other side, the driven wheel (14) is meshed with the driving wheel (15), the driving wheel (15) is driven by a motor (16), and the motor (16) is fixedly mounted on the upper surface of the beam (2).

8. The mechanical property test equipment for furniture production according to claim 1, wherein round holes are formed in two sides of the inside of the connecting seat (503), a spring (505) is fixedly connected to the inside of the round hole, a fixture block (504) is fixedly installed at one end of the spring (505), the fixture block (504) is elastically connected to the inner wall of the connecting seat (503) through the spring (505), two sets of the fixture blocks (504) are symmetrically arranged inside the connecting seat (503), and one side of the fixture block (504) is connected with the supporting rod (502).

9. The mechanical property test equipment for furniture production according to claim 4, wherein an inclined plate (9) is fixedly mounted at one end of the main frame (1), an inclined slide rail (12) is arranged on the upper surface of the inclined plate (9), the inclined slide rail (12) and the smooth rail (11) are located on the same plane, the cross section of one end, close to the inclined slide rail (12), of the smooth rail (11) is rectangular, the cross section of the inclined slide rail (12) is rectangular, and a blocking block is arranged at the bottom end of the inclined slide rail (12).

10. The use method of the mechanical property test device for furniture production according to claim 1 is characterized by comprising the following steps:

the method comprises the following steps: the elevator is started to drive the transverse side beam (301) to ascend, after the transverse side beam (301) ascends to the top, the vertical side beam (302) is pushed to one end of the main frame (1) far away from the inclined plate (9), and then the sliding block (803) is slid, so that the sliding block (803) drives the sliding mechanism (8) to move to the lowest position of the inclined plate (9);

step two: the furniture to be detected is placed on a sliding plate (801) on an inclined plate (9), the furniture to be detected is moved through the sliding plate (801), after the furniture slides to the upper side of a detection plate (7), a lifter drives a transverse side beam (301) close to one side of the inclined plate (9) to descend to the height of the middle section of the furniture, an air cylinder extends out and abuts against the outer wall of the furniture, then the sliding plate (801) moves towards the direction close to the inclined plate (9), and the furniture is stopped by the air cylinder, so that the sliding plate (801) is drawn out from the lower side of the furniture and returns to the inclined plate (9) again;

step three: adjusting a transverse side beam (301) and a vertical side beam (302) on a main frame (1) to enable air cylinders on the transverse side beam (301) and the vertical side beam (302) to be abutted to the outer wall of the furniture to be detected, and then enabling a load mechanism (5) to be located above the furniture through a sliding cross beam (2);

step four: the motor (16) is started, the motor (16) drives the driving wheel (15) to rotate, when the driving wheel (15) rotates, the driven wheel (14) on one side is pushed by the driving wheel (15) to rotate reversely, the driving wheel (15) and the driven wheel (14) rotate simultaneously, the tooth grooves are pushed to move through the gear teeth, the connecting rod (501) is controlled to move up and down, and the hydraulic rod (13) is close to the furniture to be detected;

step five: the load mechanism (5) continues to descend, the steering mechanism (6) at the front end of the load mechanism (5) is contacted with the top of the furniture, when a guide plate (604) in the steering mechanism (6) is contacted with the top of the furniture, the guide plate (604) is attached to the top of the furniture along the inclined direction of the upper surface of the furniture, and a hydraulic rod (13) arranged above the guide plate (604) rotates together with the guide plate (604), so that the hydraulic rod (13) is perpendicular to the upper surface of the furniture;

step six: the hydraulic rod (13) presses the furniture downwards to test the load of the furniture, meanwhile, the pressure of the hydraulic rod (13) is transmitted to the detection plate (7) through the furniture, different detection units in the detection plate (7) record the magnitude of stress and transmit the magnitude of the stress to the output device, and the magnitude of the pressure of the base on the ground when the furniture is pressed is detected;

step seven: when a partition board inside furniture is detected, a supporting rod (502) is close to a connecting rod (501), the supporting rod (502) drives a steering mechanism (6) to extend out in the opposite direction through a belt (24) inside a shifting layer (29), so that the upper part of the shifting layer (29) is C-shaped, a C-shaped notch is close to a furniture top plate, the steering mechanism (6) and a hydraulic rod (13) enter the furniture, the hydraulic rod (13) is started, and the partition board inside the furniture is pressed through the hydraulic rod (13);

step eight: when mechanical properties of furniture are laterally detected, a side beam cylinder (18) installed on a side beam rod (3) extends, the side beam cylinder (18) drives a rotating frame (19) to extend, the rotating frame (19) drives a pressing cylinder (22) to move to be in contact with the side face of the furniture, the front end of the pressing cylinder (22) is in contact with the side face of the furniture, if the side face of the furniture is a plane, the pressing cylinder (22) directly extrudes the side face of the furniture, if the side face of the furniture is an inclined plane, one point of the front end of the pressing cylinder (22) is in contact with the furniture firstly and inclines under the pushing of the rear side beam cylinder (18), when the pressing cylinder (22) is perpendicular to the contact face, the side beam cylinder (18) stops pushing, the pressing cylinder (22) is started to load the furniture, and the mechanical properties of the furniture are tested;

step nine: the cross beam (2) and the side beam rods (3) move for multiple times, loads are applied to the furniture from different positions, and the load capacity of the furniture is tested.