Seat fatigue testing device

Abstract

This utility model belongs to the field of furniture testing and discloses a seat fatigue testing device, including a work platform, a positioning mechanism, a testing fixture, and an industrial robot. The work platform supports the seat, and the positioning mechanism positions the seat to prevent displacement. The industrial robot is connected to the testing fixture, and the robot moves the fixture, which in turn rotates the testing components of the seat, thereby achieving fatigue testing. This utility model has a reasonable design and simple structure. Through the work platform, positioning mechanism, testing fixture, and industrial robot, it supports, positions, adjusts, and tests the seat, efficiently completing fatigue testing while saving time and manpower.

Description

Technical Field

[0001] This utility model relates to the field of furniture testing, specifically a chair fatigue testing device. Background Technology

[0002] Currently, many chairs on the market have rotating parts such as backrests and armrests. During production, fatigue tests need to be conducted on the rotation of these parts to ensure product quality. The problem is that fatigue tests for chairs are usually conducted manually, which is time-consuming and labor-intensive. Utility Model Content

[0003] The purpose of this invention is to provide a seat fatigue testing device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A seat fatigue testing device, comprising: A work platform for supporting the seat; A positioning mechanism is used to position the seat so that it is not easily displaced on the work platform; and The test fixture and the industrial robot are connected to the test fixture. The industrial robot drives the test fixture to move, and the test fixture drives the test components of the seat to rotate, thereby realizing fatigue testing.

[0005] Furthermore, the work platform includes a base, a first guide rail disposed on the base in a front-to-back direction, and a platform body slidably mounted on the first guide rail in a front-to-back direction, the platform body being used to support the seat.

[0006] Furthermore, the positioning mechanism includes a positioning pressure plate, a lifting assembly, and a lateral movement assembly. The positioning pressure plate is used to press the seat of the chair from top to bottom. The lifting assembly drives the positioning pressure plate to rise and fall, and the lateral movement assembly drives the positioning pressure plate to move left and right.

[0007] Furthermore, the positioning plate has an L-shaped structure.

[0008] Furthermore, the positioning mechanism has two sets, left and right, which position the left and right sides of the seat respectively.

[0009] Furthermore, the lifting assembly includes a column, a second guide rail vertically mounted on the column, and a lifting seat slidably connected to the second guide rail. The lifting seat can be locked in position on the column. The lateral movement assembly includes a screw rod arranged in the left-right direction and screwed onto the lifting seat, and a handwheel disposed at one end of the screw rod. The positioning pressure plate is disposed at the other end of the screw rod.

[0010] Furthermore, the test fixture is provided with a clamping groove, and the test fixture is fastened to the test component of the seat through the clamping groove, and the test component is driven to rotate back and forth through the two sides of the clamping groove.

[0011] Furthermore, the test fixture includes a mounting plate for connecting to an industrial robot, two clamping plates are vertically arranged on the mounting plate, a clamping groove is formed between the two clamping plates, and a protective layer is provided on the inner side of the clamping plates.

[0012] Furthermore, the industrial manipulator is a six-axis industrial robot.

[0013] Compared with the prior art, the advantages of this utility model are: the utility model has a reasonable design and simple structure. It supports, positions, adjusts and tests the seat through a working platform, positioning mechanism, test fixture, industrial robot and other structures, which can efficiently complete the fatigue test and save time and manpower. Attached Figure Description

[0014] Figure 1 This is one of the structural schematic diagrams of this utility model, but the test fixture is not shown in the figure.

[0015] Figure 2 This is the second schematic diagram of the structure of this utility model. The test fixture is not shown in the figure.

[0016] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0017] Figure 4 This is a schematic diagram of the test fixture structure in this utility model.

[0018] In the diagram: 1. Seat; 2. Work platform; 200. Base; 201. First guide rail; 202. Platform body; 3. Positioning mechanism; 300. Positioning pressure plate; 301. Column; 302. Second guide rail; 303. Lifting seat; 304. Screw; 305. Handwheel; 306. Guide rod; 4. Test fixture; 400. Clamping groove; 401. Mounting plate; 402. Clamping plate; 403. Protective layer; 5. Industrial robot. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-4A seat fatigue testing device includes a work platform 2, a positioning mechanism 3, a testing fixture 4, and an industrial robot 5. The work platform 2 supports the seat 1. The positioning mechanism 3 positions the seat 1 to prevent displacement on the work platform 2. The industrial robot 5 is connected to the testing fixture 4, and the industrial robot 5 moves the testing fixture 4, which in turn rotates the testing components of the seat 1, thereby achieving fatigue testing.

[0021] Continue reading Figure 1 and Figure 2 In one embodiment of the present invention, the working platform 2 includes a base 200, a first guide rail 201 disposed on the base 200 in the front-back direction, and a platform body 202 slidably mounted on the first guide rail 201. The platform body 202 is used to support the seat 1. The platform body 202 is mounted to the first guide rail 201 by a slider. The slider can be stopped by tightening the first guide rail 201 with a bolt screwed to it.

[0022] Continue reading Figure 1 and Figure 2 In one embodiment of this utility model, the positioning mechanism 3 has two sets, left and right, which press down on the left and right sides of the chair seat respectively. The positioning mechanism 3 includes a positioning pressure plate 300, a lifting assembly, and a lateral movement assembly. The positioning pressure plate 300 presses down on the chair seat 1 from top to bottom. The lifting assembly moves the positioning pressure plate 300 up and down, and the lateral movement assembly moves the positioning pressure plate 300 left and right. The positioning pressure plate 300 has an L-shaped structure; its horizontal portion presses down on the upper surface of the chair seat, and its vertical portion presses down on the sides of the chair seat.

[0023] Continue reading Figure 3 In one embodiment of this utility model, the lifting assembly includes a column 301, a second guide rail 302 vertically mounted on the column 301, and a lifting seat 303 slidably connected to the second guide rail 302. The lifting seat 303 can be locked in position on the column 301. The lateral movement assembly includes a screw 304 arranged in the left-right direction and screwed onto the lifting seat 303, and a handwheel 305 disposed at one end of the screw 304. A positioning plate 300 is disposed at the other end of the screw 304. The lifting seat 303 is installed on the second guide rail 302 via a slider, and the slider can be stopped by tightening the second guide rail 302 with a bolt screwed to it. Rotating the handwheel 305 can drive the positioning plate 300 to move left and right via the screw 304. The lifting and lowering of the positioning plate 300 is accomplished by manually moving the lifting seat 303.

[0024] Further reading Figure 3 In one embodiment of this utility model, the positioning pressure plate 300 is fixedly connected to two guide rods 306, and the guide rods 306 slide in cooperation with the lifting seat 303.

[0025] Continue reading Figure 4 In one embodiment of this utility model, the test fixture 4 is provided with a clamping groove 400. The test fixture 4 is fastened to the test component of the seat 1 through the clamping groove 400, and the test component is driven to rotate back and forth through the two sides of the clamping groove 400.

[0026] Further reading Figure 4 In one embodiment of the present invention, the test fixture 4 includes a mounting plate 401 for connecting to the industrial robot 5 by bolts. Two clamping plates 402 are vertically arranged on the mounting plate 401, and a clamping groove 400 is formed between the two clamping plates 402. A protective layer 403 is provided on the inner side of the clamping plates 402. The protective layer 403 is preferably rubber, which can prevent damage to the seat 1.

[0027] It should be noted that the industrial manipulator 5 of this utility model is a six-axis industrial robot, which can drive the test fixture 4 to move and rotate so that the test fixture 4 can cooperate with the test components of the seat.

[0028] In use, first place the seat 1 on the platform body 202, then move the positioning pressure plate 300 to a suitable position to press down the seat 1 by lifting and lateral movement. By moving the platform body 202 back and forth, the distance between the industrial robot 5 and the seat 1 can be adjusted. Then, the industrial robot 5 drives the test fixture 4 to move next to the test part of the seat 1, adjusts the test fixture 4 to a suitable posture and fastens it to the test part. Finally, the industrial robot 5 drives the test fixture 4 to move back and forth within a certain range, causing the test part to rotate, thereby completing the fatigue test.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A seat fatigue testing device, characterized in that, include: Work platform (2), the work platform (2) is used to support the seat (1); A positioning mechanism (3) is used to position the seat (1) so that the seat (1) is not easily displaced on the work platform (2); and The test fixture (4) and the industrial robot (5) are connected to the test fixture (4). The industrial robot (5) drives the test fixture (4) to move, and the test fixture (4) drives the test components of the seat (1) to rotate, thereby realizing fatigue testing.

2. The seat fatigue testing apparatus of claim 1, wherein The work platform (2) includes a base (200), a first guide rail (201) arranged on the base (200) in the front-back direction, and a platform body (202) slidably mounted on the first guide rail (201) in the front-back direction. The platform body (202) is used to support the seat (1).

3. The seat fatigue testing apparatus of claim 1, wherein The positioning mechanism (3) includes a positioning plate (300), a lifting component and a lateral component. The positioning plate (300) is used to press the seat of the seat (1) from top to bottom. The lifting component drives the positioning plate (300) to rise and fall, and the lateral component drives the positioning plate (300) to move left and right.

4. The seat fatigue testing apparatus of claim 3, wherein The positioning plate (300) has an L-shaped structure.

5. The seat fatigue testing apparatus of claim 3, wherein The positioning mechanism (3) has two sets, left and right, which respectively position the left and right sides of the seat (1).

6. The seat fatigue testing apparatus of claim 3, wherein The lifting assembly includes a column (301), a second guide rail (302) vertically mounted on the column (301), and a lifting seat (303) slidably connected to the second guide rail (302). The lifting seat (303) can be locked in position on the column (301). The lateral movement assembly includes a screw (304) arranged in the left-right direction and screwed onto the lifting seat (303) and a handwheel (305) located at one end of the screw (304). The positioning pressure plate (300) is located at the other end of the screw (304).

7. The seat fatigue testing apparatus of claim 1, wherein The test fixture (4) is provided with a clamping groove (400). The test fixture (4) is fastened to the test component of the seat (1) through the clamping groove (400). The test component is driven to rotate back and forth through the two sides of the clamping groove (400).

8. The seat fatigue testing apparatus of claim 7, wherein The test fixture (4) includes a mounting plate (401) for connecting to an industrial robot (5). Two clamping plates (402) are vertically arranged on the mounting plate (401), and a clamping groove (400) is formed between the two clamping plates (402). A protective layer (403) is provided on the inner side of the clamping plates (402).

9. The seat fatigue testing apparatus of claim 1, wherein, The industrial manipulator (5) is a six-axis industrial robot.

Images