CN215573669U

CN215573669U - Novel furniture impact testing machine

Info

Publication number: CN215573669U
Application number: CN202121887493.7U
Authority: CN
Inventors: 李中军
Original assignee: Dongguan Huahong Apparatus Co ltd
Current assignee: Dongguan Huahong Apparatus Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-18
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a novel furniture impact testing machine which comprises an underframe, a first upright post and a second upright post, wherein the first upright post and the second upright post are vertically arranged on two sides of the underframe, a cross beam connected with the second upright post is arranged on one side of the first upright post, a casing is arranged at the top end of the cross beam, a servo motor is arranged at the top end in the casing, an electric cylinder is arranged at the bottom end of the servo motor, a planetary reducer is arranged between the electric cylinder and the servo motor, a fixing plate is arranged below the cross beam and extends to the bottom end of the electric cylinder, and a transversely arranged impact plate is sleeved on the electric cylinder and positioned in the casing. The beneficial effects are that: utilize two and elevator motor's cooperation designs of lead screw, replace the crossbeam height adjustment mode of traditional manual type, strike highly free accurate adjustable, can cover the test of multiple size specification's desk, chair, bed etc. need not any instrument supplementary, and one-man operation can be realized in all tests, saves the manual work, has improved work efficiency.

Description

Novel furniture impact testing machine

Technical Field

The utility model relates to the technical field of impact testing equipment, in particular to a novel furniture impact testing machine.

Background

Furniture is roughly divided into indoor and outdoor leisure furniture, office furniture and the like, in recent years, a plurality of furniture enterprises at home and abroad have fierce competition, various trade barriers of the country and the region are frequently issued, and the export cost of furniture products is increased. The test capability and standard in the field of furniture are expanded, and the improvement of competitiveness in the international market is facilitated.

The tests of compression resistance, endurance, firmness and the like of produced furniture such as sofas, office chairs, tables and the like generally adopt a cylinder to lift and impact a shocking object to carry out impact test on the furniture, the cylinder is used as a power source to carry out lifting motion, and the defects of low operation precision, unchanged lifting height, unchanged punching force of the cylinder of the same model and the like exist, so that the precision test is difficult to realize, the cylinder cannot be suitable for testing products with different punching forces and different heights, when the furniture with different punching forces needs to be tested, the cylinders of different models need to be replaced, the operation of a user is very inconvenient, the cost for purchasing the cylinders by the user is increased, and the problem of poor universality exists.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the related art, the utility model provides a novel furniture impact testing machine to overcome the technical problems in the prior related art.

Therefore, the utility model adopts the following specific technical scheme:

a novel furniture impact testing machine comprises a bottom frame, a first upright post and a second upright post which are vertically arranged at two sides of the bottom frame, wherein a cross beam connected with the first upright post and the second upright post is arranged at one side of the first upright post, a casing is arranged at the top end of the cross beam, a servo motor is arranged at the top end in the casing, an electric cylinder is arranged at the bottom end of the servo motor, a planetary reducer is arranged between the electric cylinder and the servo motor, the bottom end of the electric cylinder extends to the lower part of the cross beam, a fixed plate is arranged below the cross beam, a transversely arranged impact plate is sleeved on the electric cylinder and positioned in the casing, guide rods penetrating through the fixed plate are symmetrically arranged at the bottom end of the impact plate, a plurality of oil pressure buffers which are uniformly distributed are arranged on the impact plate, an electromagnet is arranged at the bottom end of the fixed plate, an electromagnet sucker is arranged at the bottom end of the guide rod below the electromagnet, and a force value sensor is arranged at the bottom end of the electromagnet, the bottom of the force value sensor is provided with a fixed disc, the bottom of the fixed disc is provided with an impact bag, the top end of the bottom frame is provided with a plurality of uniformly distributed fixed seats, and one side of the bottom frame is provided with an electric box.

Preferably, the first upright column comprises a first stroke groove formed in the middle, a vertically arranged first screw rod is arranged at the top end in the first stroke groove, a first nut seat matched with the first screw rod is sleeved on the first screw rod, a first transmission rod is arranged at the bottom end of the first nut seat, and the first transmission rod is connected with the first screw rod through a first coupling.

Preferably, a chain wheel is arranged at the bottom end of the first transmission rod, reinforcing plates are arranged at the bottom ends of the two sides of the first upright post, and a beam connecting piece is arranged on one side of the first upright post.

Preferably, a second stroke groove is formed in one side of the second upright column, a second screw rod is arranged at the top end in the second stroke groove, a second nut seat matched with the second screw rod is sleeved on the second screw rod, a second transmission rod is arranged at the bottom end of the second nut seat, the second transmission rod is connected with the second screw rod through a second coupling, and a lower limit connected with the second screw rod is arranged on the second coupling.

Preferably, a lifting motor is arranged in the second upright post, a gear set is arranged at the top end of the lifting motor, and the top end of the gear set is connected with the second transmission rod.

Preferably, the bottom corners of the bottom frame are respectively provided with shockproof feet, and the bottom end in the casing is provided with a buffer rubber sleeve sleeved on the guide rod.

Preferably, the mutually close sides of the first upright post and the second upright post are respectively provided with an armrest stop.

The utility model has the beneficial effects that: utilize two and elevator motor's cooperation designs of lead screw, replace the crossbeam height adjustment mode of traditional manual type, it is highly freely accurate adjustable to strike, can cover the desk of multiple size specification, the chair, the test of bed etc, through electric jar, the electro-magnet sucking disc, force value sensor and the operation and the stroke of strikeing the bag, the bearing capacity of desk is tested to the weight that utilizes to strike the bag, send out signal of telecommunication when force value sensor, then represent the desk and have destroyed, equipment shuts down, take notes current number of times. (the power value sensor main function is that the test piece is stopped when destroyed, no longer test to avoid damaging the machine), need not any instrument supplementary, all tests can realize one-man operation, save the manual work, improved work efficiency, office chair impact test is mostly pneumatic on the market, and this impact adopts pure electronic, has increased the power value sensor, when the test piece suffers the destruction, can automatic shutdown, and the accurate test data of record.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a novel furniture impact tester according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a housing of the novel furniture impact tester according to the embodiment of the utility model;

FIG. 3 is a schematic structural diagram of a first upright post in the novel furniture impact tester according to the embodiment of the utility model;

fig. 4 is a schematic structural diagram of a second column in the novel furniture impact tester according to the embodiment of the utility model.

In the figure:

1. a chassis; 2. a first upright post; 3. a second upright post; 4. a cross beam; 5. a housing; 6. a servo motor; 7. an electric cylinder; 8. a planetary reducer; 9. a fixing plate; 10. an impact plate; 11. a guide bar; 12. a hydraulic shock absorber; 13. an electromagnet; 14. an electromagnet chuck; 15. a force value sensor; 16. fixing the disc; 17. impacting the bag; 18. a fixed seat; 19. an electric box; 20. a first stroke groove; 21. a first screw rod; 22. a first nut seat; 23. a first transmission rod; 24. a first coupler; 25. a sprocket; 26. a reinforcing plate; 27. a beam connector; 28. a second stroke groove; 29. a second screw rod; 30. a second nut seat; 31. a second transmission rod; 32. a second coupler; 33. lower limiting; 34. a lifting motor; 35. a gear set; 36. shockproof ground feet; 37. a handrail stop; 38. and (5) buffering rubber sleeves.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the utility model, a novel furniture impact tester is provided.

The first embodiment;

as shown in fig. 1-4, the novel furniture impact testing machine according to the embodiment of the utility model comprises an underframe 1, and a first upright 2 and a second upright 3 vertically arranged at two sides of the underframe 1, wherein a cross beam 4 connected with the second upright 3 is arranged at one side of the first upright 2, a housing 5 is arranged at the top end of the cross beam 4, a servo motor 6 is arranged at the top end in the housing 5, an electric cylinder 7 is arranged at the bottom end of the servo motor 6, a planetary reducer 8 is arranged between the electric cylinder 7 and the servo motor 6, a fixing plate 9 is arranged below the cross beam 4 and extends from the bottom end of the electric cylinder 7, a transversely arranged impact plate 10 is sleeved on the electric cylinder 7 and positioned in the housing 5, guide rods 11 penetrating through the fixing plate 9 are symmetrically arranged at the bottom end of the impact plate 10, a plurality of oil pressure buffers 12 uniformly distributed are arranged on the impact plate 10, the bottom of fixed plate 9 is equipped with electro-magnet 13, the below of electro-magnet 13 just is located the bottom of guide arm 11 is equipped with electromagnet chuck 14, electromagnet chuck 14's bottom is equipped with power value sensor 15, power value sensor 15's bottom is equipped with fixed disk 16, fixed disk 16's bottom is equipped with strikes bag 17, the top of chassis 1 is equipped with a plurality of evenly distributed's fixing base 18, one side of chassis 1 is equipped with electronic box 19.

Example two;

as shown in fig. 1-4, the first upright post 2 includes a first stroke groove 20 formed in the middle, a vertically arranged first screw rod 21 is arranged at the top end in the first stroke groove 20, a first nut seat 22 matched with the first screw rod 21 is sleeved on the first screw rod 21, a first transmission rod 23 is arranged at the bottom end of the first nut seat 22, the first transmission rod 23 is connected with the first screw rod 21 through a first coupling 24, a chain wheel 25 is arranged at the bottom end of the first transmission rod 23, reinforcing plates 26 are arranged at the bottom ends of two sides of the first upright post 2, and a beam connecting member 27 is arranged at one side of the first upright post 2.

Example three;

as shown in fig. 1-4, a second stroke groove 28 is formed on one side of the second upright post 3, a second screw rod 29 is arranged at the top end in the second stroke groove 28, a second nut seat 30 matched with the second lead screw 29 is sleeved on the second lead screw, a second transmission rod 31 is arranged at the bottom end of the second nut seat 30, the second transmission rod 31 is connected with the second screw rod 29 through a second coupler 32, the second coupler 32 is provided with a lower limit 33 connected with the second screw rod 29, a lifting motor 34 is arranged in the second upright post 3, a gear set 35 is arranged at the top end of the lifting motor 34, the top end of the gear set 35 is connected with the second transfer rod 31, the bottom corners of the underframe 1 are respectively provided with a shockproof foot 36, the bottom end in the casing 5 is provided with a buffer rubber sleeve 38 sleeved on the guide rod 11, and the mutually adjacent sides of the first upright post 2 and the second upright post 3 are respectively provided with an armrest stop 37.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the cross beam is fixed on the left and right upright posts through cross beam connecting pieces on the left and right sides.

Lifting the cross beam: the motor on the right side stand rotates, drives the transfer line through the gear train and rotates, and the transfer line drives the lead screw through the shaft coupling and rotates, and the lead screw realizes through screw drive that the nut is along reciprocating. The transmission rods on the two sides of the upright post realize synchronous rotation through a chain wheel and a chain. The tested piece is fixed by the foot fixing seat and the handrail, when the tested piece is fixed, the impact bag is arranged on the tested piece, the lifting motor is started, and the lifting beam is adjusted to a proper position. Starting an impact test, driving the electric cylinder by a servo motor, and driving the electric cylinder by a planetary reducer to enable an electric cylinder shaft to move up and down. The electric cylinder moves downwards to enable the electromagnet to move downwards to the electromagnet sucker, and after the electromagnet sucks the electromagnet sucker, the servo motor rotates reversely to enable the electric cylinder rod, the electromagnet, the electromagnetic disk, the impact bag and the like to move upwards. And after the impact bag reaches a certain height, the electromagnet is powered off, the electromagnet sucker is released, the impact bag is made to fall vertically, the tested piece is impacted, and one-time impact test is completed. This step is repeated to complete the test for the prescribed number of times.

Utilize the two 29 cooperation designs with elevator motor 34 of lead screw, replace the 4 height adjustment modes of crossbeam of traditional manual type, it is free accurate adjustable to strike the height, can cover the desk of multiple dimensions, the chair, the test of bed etc, through electric jar 7, electro-magnet 13, electro-magnet sucking disc 14, force value sensor 15 and impact bag 17's operation and stroke, the bearing capacity of desk is tested to the weight that utilizes the impact bag, when force value sensor signals of telecommunication, then represent the desk and have destroyed, equipment shuts down, record current number of times. (the force value sensor mainly acts as a stop when the test piece is damaged, the test is not carried out any more, so that the machine is not damaged), the assistance of any tool is not needed, all tests can be carried out by one person, the labor is saved, and the working efficiency is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The novel furniture impact testing machine is characterized by comprising a base frame (1), a first upright post (2) and a second upright post (3) which are vertically arranged on two sides of the base frame (1), a cross beam (4) connected with the second upright post (3) is arranged on one side of the first upright post (2), a casing (5) is arranged at the top end of the cross beam (4), a servo motor (6) is arranged at the top end in the casing (5), an electric cylinder (7) is arranged at the bottom end of the servo motor (6), a planetary reducer (8) is arranged between the electric cylinder (7) and the servo motor (6), a fixed plate (9) is arranged below the cross beam (4) and extends to the bottom end of the electric cylinder (7), a transverse impact plate (10) is sleeved in the casing (5), guide rods (11) penetrating through the fixed plate (9) are symmetrically arranged at the bottom end of the impact plate (10), be equipped with a plurality of evenly distributed's oil buffer (12) on strikeing board (10), the axle head of fixed plate (9) is equipped with electro-magnet (13), the below of electro-magnet (13) just is located the bottom of guide arm (11) is equipped with electro-magnet sucking disc (14), the bottom of electro-magnet sucking disc (14) is equipped with power value sensor (15), the bottom of power value sensor (15) is equipped with fixed disk (16), the bottom of fixed disk (16) is equipped with strikes bag (17), the top of chassis (1) is equipped with a plurality of evenly distributed's fixing base (18), one side of chassis (1) is equipped with electronic box (19).

2. The novel furniture impact testing machine is characterized in that the first upright post (2) comprises a first stroke groove (20) formed in the middle, a vertically arranged first screw rod (21) is arranged at the top end in the first stroke groove (20), a first nut seat (22) matched with the first screw rod (21) is sleeved on the first screw rod (21), a first transmission rod (23) is arranged at the bottom end of the first nut seat (22), and the first transmission rod (23) is connected with the first screw rod (21) through a first coupling (24).

3. The novel furniture impact testing machine is characterized in that a chain wheel (25) is arranged at the bottom end of the first transmission rod (23), reinforcing plates (26) are arranged at the bottom ends of two sides of the first upright post (2), and a cross beam connecting piece (27) is arranged at one side of the first upright post (2).

4. The novel furniture impact testing machine according to claim 1, characterized in that a second stroke groove (28) is formed in one side of the second upright post (3), a second lead screw (29) is arranged at the top end in the second stroke groove (28), a second nut seat (30) matched with the second lead screw is sleeved on the second lead screw (29), a second transmission rod (31) is arranged at the bottom end of the second nut seat (30), the second transmission rod (31) is connected with the second lead screw (29) through a second coupling (32), and a lower limit (33) connected with the second lead screw (29) is arranged on the second coupling (32).

5. The novel furniture impact testing machine according to claim 4, characterized in that a lifting motor (34) is arranged in the second upright post (3), a gear set (35) is arranged at the top end of the lifting motor (34), and the top end of the gear set (35) is connected with the second transmission rod (31).

6. The novel furniture impact testing machine according to claim 1, characterized in that the bottom corners of the chassis (1) are respectively provided with shock-proof feet (36), and the bottom end in the casing (5) is provided with a buffer rubber sleeve (38) sleeved on the guide rod (11).

7. The novel furniture impact testing machine according to claim 1, characterized in that the side of the first upright (2) and the side of the second upright (3) close to each other are respectively provided with an armrest stop (37).