CN110779751A

CN110779751A - Continuous detection device and clamping tool for testing service life of chair frame

Info

Publication number: CN110779751A
Application number: CN201911232519.1A
Authority: CN
Inventors: 戴云云
Original assignee: Anji Utrust Chair Accessories Factory
Current assignee: Anji Utrust Chair Accessories Factory
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-02-11

Abstract

The invention discloses a continuous detection device for a chair frame service life test, which comprises a detection platform, wherein a tray is rotatably arranged in the detection platform, four groups of clamping tool assemblies are arranged in the tray at equal intervals, a portal frame is fixedly arranged on the upper surface of the detection platform, a first electric sliding table is fixedly connected between the portal frame and the detection platform, a connecting plate is slidably arranged in the portal frame, a screw is rotatably arranged at the top of the connecting plate and is in threaded connection with the portal frame, a second electric sliding table is fixedly arranged on the bottom surface of the connecting plate, a strength detection component is fixedly arranged on the second electric sliding table and comprises a fixing frame, two groups of electric push rods are fixedly arranged on one side of the fixing frame, a bracket is fixedly arranged at the output shaft end of each electric push rod, an electric push rod is fixedly arranged in the bracket, and a connecting sleeve is, the chair frame is pushed after being clamped, so that the detection is more stable.

Description

Continuous detection device and clamping tool for testing service life of chair frame

Technical Field

The invention belongs to the technical field of chair frame production, and particularly relates to a continuous detection device and a clamping tool for a chair frame service life test.

Background

The chair is a daily-life furniture, a seat with a backrest and armrests. Ancient people sit on the ground without chairs. According to the records of the books, the name of the chair is originally found in the Tang Dynasty, and the image of the chair is transferred to the Huchi bed in the North when tracing to Hanwei. Modern chairs pursue beauty and fashion, and some chairs are not only seats, but also provide more technologies, so that the chairs are more convenient for people.

The office changes greatly because of the people's flow, and the degree of loving is not consistent moreover, leads to the spoilage of chair very high, and the damage part of mostly all is concentrated on the chair frame part, consequently in the production process of chair frame, needs to detect the life-span of chair frame, and the method that detects so is exactly that the application of force that carries out the back of the chair to the chair frame observes the possibility of losing and deformation of the back of the chair.

Therefore, the continuous detection device for the chair frame service life test is provided for solving the problems in the prior art, a group of detection platforms are arranged, trays are rotatably arranged in the detection platforms, clamping tool assemblies are arranged in the trays at equal intervals, and rotating turntables are arranged at the bottoms of the clamping tool assemblies, so that chair support legs with any sizes can be conveniently fixed; the portal frame with the first electric sliding table is arranged above the detection platform, the strength detection assembly with the second electric sliding table is arranged at the bottom of the portal frame, the electric push rod is used for driving the two sets of second clamping plates to push the chair frame after being clamped, and therefore the detection structure is more stable.

Disclosure of Invention

The invention aims to provide a continuous detection device and a clamping tool for testing the service life of a chair frame, and aims to solve the problem that in the prior art, the service life of the chair frame needs to be detected in the production process of the chair frame due to the fact that the damage rate of a chair is very high and most damaged parts are concentrated on the chair frame part because the office is greatly changed due to people flow and the degree of preference is not consistent, and the detection method is the possible problem that the folding and deformation of the chair back can be observed by applying force to the chair back of the chair frame.

In order to achieve the purpose, the invention adopts the following technical scheme: the continuous detection device for the service life test of the chair frame comprises a detection platform, wherein a tray is rotatably installed in the detection platform, four groups of clamping tool assemblies are arranged in the tray in an equidistant array mode, a portal frame is fixedly installed on the upper surface of the detection platform, a first electric sliding table is fixedly connected between the portal frame and the detection platform, a connecting plate is slidably installed in the portal frame, a screw is rotatably installed at the top of the connecting plate and is in threaded connection with the portal frame, a second electric sliding table is fixedly installed on the bottom surface of the connecting plate, and a strength detection assembly is fixedly installed on the second electric sliding table;

the strength detection assembly comprises a fixing frame, wherein two groups of electric push rods are fixedly mounted on one side of the fixing frame, a support is fixedly mounted at the output shaft end of each electric push rod, the electric push rods are fixedly mounted in the support, a connecting sleeve is fixedly mounted on one side of the support, a clamping sleeve is slidably mounted in the connecting sleeve, two groups of second clamping plates are symmetrically arranged on one side of the clamping sleeve in the connecting sleeve, and a second spring is fixedly mounted between the second clamping plates.

Preferably, a rotating shaft is fixedly mounted at the middle position of the bottom of the tray, a bevel gear is fixedly mounted at one end, far away from the tray, of the rotating shaft, a motor is fixedly mounted at the bottom of the detection platform, a bevel gear is also fixedly mounted at the output shaft end of the motor, and the two groups of bevel gears are meshed.

Preferably, the detection platform is internally provided with four groups of cylinders in an annular equidistant array under the tray, the output shaft end of each cylinder is fixedly provided with a top block, and the top blocks are arranged in a rubber block structure.

Preferably, the bottom of the first clamping plate is provided with a sliding block, a sliding groove is formed in the rotary table, and the sliding groove is in clearance fit with the sliding block.

Preferably, the fixing frame comprises a top plate, a vertical plate is fixedly mounted on one side of the bottom surface of the top plate, the top plate is fixedly connected with the second electric sliding table, and an output shaft end of the electric push rod is arranged in the vertical plate in a penetrating mode.

Preferably, the connecting sleeve is internally and symmetrically provided with guide grooves, the outer wall of the clamping sleeve is symmetrically provided with guide blocks, and the guide blocks are in clearance fit with the guide grooves.

Preferably, one side of the second clamping plate is provided with a limiting rod, limiting holes are symmetrically formed in the connecting sleeve, and the limiting rods are slidably mounted in the limiting holes.

Preferably, two groups of guide rods are symmetrically arranged on the upper surface of the connecting plate, through holes are formed in the portal frame, and the guide rods penetrate through the through holes and extend to the upper side of the portal frame.

Chair frame life-span test is with detecting clamping tools in succession, including above-mentioned tray, still include four group's clamping tools assemblies, four groups the clamping tools assembly includes two sets of locating plates, and is two sets of the equal fixed mounting in locating plate one side has first spring, first spring one end fixed mounting has first splint, annular equidistant array has four groups of carousels in the tray, locating plate fixed mounting is in the carousel upper surface, first splint slidable mounting is in the carousel.

Preferably, the bottom of the turntable is fixedly connected with a connecting shaft, and the connecting shaft is rotatably arranged in the tray through a damping bearing.

The invention has the technical effects and advantages that: compared with the prior art, the continuous detection device for testing the service life of the chair frame has the following advantages:

1. a group of detection platforms are arranged, trays are rotatably mounted in the detection platforms, clamping tool assemblies are arranged in the trays at equal intervals, and rotating turntables are arranged at the bottoms of the clamping tool assemblies, so that chair support legs with any sizes can be fixed conveniently;

2. the portal frame with the first electric sliding table is arranged above the detection platform, the strength detection assembly with the second electric sliding table is arranged at the bottom of the portal frame, the electric push rod is used for driving the two sets of second clamping plates to push the chair frame after being clamped, and therefore the detection structure is more stable.

Drawings

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

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

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 2 according to the present invention;

fig. 6 is a schematic top view of the tray of the present invention.

In the figure: 1. a detection platform; 2. a tray; 201. a rotating shaft; 202. a bevel gear; 203. a motor; 3. a clamping tool assembly; 301. positioning a plate; 302. a first spring; 303. a first splint; 4. a gantry; 5. a first electric sliding table; 6. a connecting plate; 7. a screw; 8. a second electric sliding table; 9. an intensity detection component; 901. a fixed mount; 9011. a top plate; 9012. a vertical plate; 902. a first electric push rod; 903. a support; 904. a second electric push rod; 905. connecting sleeves; 906. a jacket; 907. a second splint; 908. a second spring; 10. a turntable; 11. a cylinder; 12. a top block; 13. a slider; 14. a chute; 15. a guide groove; 16. a guide block; 17. a limiting rod; 18. a limiting hole; 19. a connecting shaft; 20. a damping bearing; 21. a guide bar; 22. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. 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 invention provides a continuous detection device for a chair frame service life test, which comprises a detection platform 1, wherein a tray 2 is rotatably arranged in the detection platform 1, a rotating shaft 201 is fixedly arranged at the center position of the bottom of the tray 2, a bevel gear 202 is fixedly arranged at one end of the rotating shaft 201, which is far away from the tray 2, a motor 203 is fixedly arranged at the bottom of the detection platform 1, bevel gears 202 are also fixedly arranged at the output shaft end of the motor 203, two groups of bevel gears 202 are meshed, four groups of cylinders 11 are annularly and equidistantly arranged in the detection platform 1, which are positioned under the tray 2, top blocks 12 are fixedly arranged at the output shaft ends of the cylinders 11, the top blocks 12 are arranged in a rubber block structure, and when in detection, the cylinders 11 are started to prop against the tray 2; four groups of clamping tool assemblies 3 are arranged in the tray 2 in an equidistant array mode, a portal frame 4 is fixedly arranged on the upper surface of the detection platform 1, a first electric sliding table 5 is fixedly connected between the portal frame 4 and the detection platform 1, a connecting plate 6 is slidably arranged in the portal frame 4, a screw 7 is rotatably arranged at the top of the connecting plate 6, and the position of the connecting plate 6 can be adjusted by the screw 7, so that the height of the strength detection assembly 9 is changed; screw rod 7 threaded connection is in portal frame 4, and 6 upper surface symmetries of connecting plate are provided with two sets of guide bars 21, have seted up through-hole 22 in the portal frame 4, and guide bar 21 runs through in through-hole 22 and extends to the portal frame 4 top, and 6 bottom surfaces fixed mounting of connecting plate has the electronic slip table 8 of second, and fixed mounting has intensity determine module 9 on the electronic slip table 8 of second.

The strength detection assembly 9 comprises a fixing frame 901, the fixing frame 901 comprises a top plate 9011, one side of the bottom surface of the top plate 9011 is fixedly provided with a vertical plate 9012, the top plate 9011 is fixedly connected with a second electric sliding table 8, the output shaft end of a second electric push rod 904 is installed in the vertical plate 9012 in a penetrating manner, one side of the fixing frame 901 is fixedly provided with two groups of first electric push rods 902, the output shaft ends of the first electric push rods 902 are fixedly provided with a support 903, the support 903 is internally fixedly provided with the second electric push rod 904, one side of the support 903 is fixedly provided with a connecting sleeve 905, a jacket 906 is installed in the connecting sleeve 905 in a sliding manner, two groups of second clamp plates 907 are symmetrically arranged on one side of the jacket 906 in the connecting sleeve 905, a second spring 908 is fixedly arranged between the two groups of second clamp plates 907, when in use, guide grooves 15 are symmetrically arranged in, one side of the second clamping plate 907 is provided with a limiting rod 17, limiting holes 18 are symmetrically formed in the connecting sleeve 905, and the limiting rod 17 is slidably mounted in the limiting holes 18.

Chair frame life-span test is with detecting clamping tools in succession, including above-mentioned tray 2, still include four groups clamping tools assembly 3, four groups clamping tools assembly 3 includes two sets of locating plates 301, and is two sets of the equal fixed mounting in locating plate 301 one side has first spring 302, first spring 302 one end fixed mounting has first splint 303, annular equidistant array has four groups of carousels 10 in the tray 2, locating plate 301 fixed mounting is in 10 upper surfaces of carousel, first splint 303 slidable mounting is in carousel 10, carousel 10 bottom fixedly connected with connecting axle 19, connecting axle 19 rotates through damping bearing 20 and installs in tray 2.

The structure principle is as follows: a group of detection platforms 1 are arranged, trays 2 are rotatably mounted in the detection platforms 1, clamping tool assemblies 3 are equidistantly arranged in the trays 2, and rotating turntables 10 are arranged at the bottoms of the clamping tool assemblies 3, so that chair legs with any sizes can be conveniently fixed;

set up portal frame 4 that has first electronic slip table 5 above testing platform 1, set up the intensity determine module 9 that has the electronic slip table 8 of second in portal frame 4 bottom, utilize first electric putter 902 to drive two sets of second splint 907, pass after carrying out the centre gripping to the chair frame, make and detect the structure more stable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Continuous detection device is used in test of chair frame life-span, including testing platform (1), its characterized in that: the detection device is characterized in that a tray (2) is rotatably mounted in the detection platform (1), a portal frame (4) is fixedly mounted on the upper surface of the detection platform (1), a first electric sliding table (5) is fixedly connected between the portal frame (4) and the detection platform (1), a connecting plate (6) is slidably mounted in the portal frame (4), a screw rod (7) is rotatably mounted at the top of the connecting plate (6), the screw rod (7) is in threaded connection with the portal frame (4), a second electric sliding table (8) is fixedly mounted on the bottom surface of the connecting plate (6), and a strength detection assembly (9) is fixedly mounted on the second electric sliding table (8);

the strength detection assembly (9) comprises a fixing frame (901), wherein two groups of first electric push rods (902) are fixedly mounted on one side of the fixing frame (901), a support (903) is fixedly mounted at the output shaft end of each first electric push rod (902), a second electric push rod (904) is fixedly mounted in each support (903), a connecting sleeve (905) is fixedly mounted on one side of each support (903), a clamping sleeve (906) is slidably mounted in each connecting sleeve (905), two groups of second clamping plates (907) are symmetrically arranged on one side, located in each clamping sleeve (906), of each connecting sleeve (905), and a second spring (908) is fixedly mounted between the second clamping plates (907).

2. The continuous detection device for the chair frame life test according to claim 1, wherein: tray (2) bottom position fixed mounting placed in the middle has pivot (201), tray (2) one end fixed mounting has bevel gear (202) is kept away from in pivot (201), testing platform (1) bottom fixed mounting has motor (203), the output axle head of motor (203) also fixed mounting has bevel gear (202), two sets of bevel gear (202) meshing.

3. The continuous detection device for the chair frame life test according to claim 1, wherein: the detection platform is characterized in that four groups of cylinders (11) are arranged in the detection platform (1) and located under the tray (2) in an annular equidistant array mode, an output shaft end of each cylinder (11) is fixedly provided with a top block (12), and the top blocks (12) are arranged in a rubber block structure.

4. The continuous detection device for the chair frame life test according to claim 1, wherein: the bottom of the first clamping plate (303) is provided with a sliding block (13), a sliding groove (14) is formed in the rotary disc (10), and the sliding groove (14) is in clearance fit with the sliding block (13).

5. The continuous detection device for the chair frame life test according to claim 1, wherein: the fixing frame (901) comprises a top plate (9011), a vertical plate (9012) is fixedly mounted on one side of the bottom surface of the top plate (9011), the top plate (9011) is fixedly connected with the second electric sliding table (8), and the output shaft end of the first electric push rod (904) penetrates through the vertical plate (9012).

6. The continuous detection device for the chair frame life test according to claim 1, wherein: guide grooves (15) are symmetrically formed in the connecting sleeve (905), guide blocks (16) are symmetrically arranged on the outer wall of the jacket (906), and the guide blocks (16) are in clearance fit with the guide grooves (15).

7. The continuous detection device for the chair frame life test according to claim 1, wherein: and one side of the second clamping plate (907) is provided with a limiting rod (17), limiting holes (18) are symmetrically formed in the connecting sleeve (905), and the limiting rod (17) is slidably mounted in the limiting holes (18).

8. The continuous detection device for the chair frame life test according to claim 1, wherein: two sets of guide bars (21) are symmetrically arranged on the upper surface of the connecting plate (6), a through hole (22) is formed in the portal frame (4), and the guide bars (21) penetrate through the through hole (22) and extend to the upper side of the portal frame (4).

9. Continuous test gripping tool for chair frame life tests, comprising a tray (2) according to any one of claims 1 to 8, characterized in that: still include four groups clamping tool assembly (3), four groups clamping tool assembly (3) are including two sets of locating plates (301), and are two sets of the equal fixed mounting in locating plate (301) one side has first spring (302), first spring (302) one end fixed mounting has first splint (303), the annular equidistant array has four groups carousel (10) in tray (2), locating plate (301) fixed mounting is in carousel (10) upper surface, first splint (303) slidable mounting is in carousel (10).

10. The continuous test clamping tool for the chair frame life test of claim 9, wherein: the rotary table is characterized in that a connecting shaft (19) is fixedly connected to the bottom of the rotary table (10), and the connecting shaft (19) is rotatably installed in the tray (2) through a damping bearing (20).