Bending life detection device

Abstract

The utility model discloses a bending life detection device which comprises a detection rack, a fixed cross beam, bending jigs, a rotating shaft, an inner swing arm, a movable side cross beam, a movable side jig, a detector and a power mechanism, the fixed cross beam is installed on the detection rack, a row of bending jigs are installed on the fixed cross beam, and the rotating shaft is installed on the movable side cross beam. The two rotating shafts are rotatably mounted on the detection rack on the two sides of the fixed cross beam through bearing seats, inner swing arms are mounted at the opposite ends of the two rotating shafts, a movable side cross beam is mounted on the two inner swing arms, a plurality of movable side jigs which are in one-to-one correspondence with the bending jigs are mounted on the movable side cross beam, and the bending jigs and the movable side jigs are electrically connected with a detector. And a power mechanism for driving the movable side cross beam to rotate around the fixed cross beam is mounted at the side end of the detection rack. Through the above mode, the bending service life detection device can replace manual work to automatically carry out bending service life detection on a product, the bending strength and angle of each time are consistent, the detection is accurate, the bending angle can be adjusted according to requirements, and bending service life detection of different degrees can be carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of bending life detection, in particular to a bending life detection device. Background Art

[0002] With the development of technology, folding screens are being used more and more widely. Since the screen needs to undergo multiple folding and bending to varying degrees during use, there is a strong demand for testing equipment for the bending life of the screen.

[0003] The existing screen bending life test is done manually. Although this test method can measure the bending life of the screen, it requires constant manual shaking and can only measure one section at a time. This not only causes manpower consumption, but also causes manpower fatigue, making the test inefficient. In addition, it is difficult for humans to adjust the degree of bending each time, which results in inaccurate bending life detection.

[0004] Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a bending life detection device. Utility Model Content

[0005] The main technical problem solved by the utility model is to provide a bending life detection device, which can automatically replace manual bending life detection of products. The bending force and angle are consistent each time, the detection is accurate, and the bending angle can be adjusted according to requirements to perform bending life detection of different degrees.

[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a bending life detection device, which includes a detection frame, a fixed beam, a bending jig, a rotating shaft, an inner swing arm, a movable side beam, a movable side jig, a detector and a power mechanism. The detection frame is equipped with a fixed beam, and a row of bending jigs are installed on the fixed beam. Two rotating shafts are rotatably installed on the detection frame on both sides of the fixed beam through bearing seats, and inner swing arms are installed at opposite ends of the two rotating shafts. The movable side beam is installed on the two inner swing arms. In the initial position, the movable side beam is flush with the fixed beam, and a plurality of movable side jigs opposite to the bending jigs are installed on the movable side beam. The bending jig and the movable side jig are electrically connected to the detector, and a power mechanism for driving the movable side beam to rotate around the fixed beam is installed on the side end of the detection frame.

[0007] Preferably, the power mechanism includes a motor, a turntable, a slide rail assembly, a sliding block, a rotating block, a rack, a gear and a spur gear limit block, the motor is installed on the detection frame, the motor drives the turntable, the turntable is equipped with a slide rail assembly, the slide rail assembly is equipped with a sliding block with adjustable position, the rotating block is rotatably installed on the protruding end of the sliding block through a bearing seat, the rotating block is equipped with a rack, one of the rotating shafts is equipped with a gear meshing with the rack, and a spur gear limit block is also rotatably installed on the rotating shaft, the spur gear limit block is provided with a limiting slot hole for limiting the rack, and the rack passes through the limiting slot hole of the spur gear limit block.

[0008] Preferably, the bending jig includes a base plate, an adjustment plate, a bakelite block and an R-angle positioning block, the base plate is installed on a fixed cross beam, a first waist-shaped hole for adjusting the installation position is provided on the base plate, an adjustment plate is installed on the base plate, a second waist-shaped hole for adjusting the installation position is provided on the adjustment plate, a bakelite block is installed on the adjustment plate, and R-angle positioning blocks are installed on the base plate on both sides of the bakelite block.

[0009] Preferably, the movable side fixture comprises connecting rods, a fixed plate, a movable side sliding block, a movable side bottom plate and a movable side bakelite block, the two connecting rods are horizontally inserted into the movable side cross beam, the outer ends of the two connecting rods are installed with fixed plates, the two fixed plates are provided with movable side sliding blocks capable of adjusting positions, the movable side bottom plate is installed on the movable side sliding block, and the movable side bakelite block is installed on the movable side bottom plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The power mechanism drives the moving side beam to rotate around the fixed beam, and the moving side fixture closes towards the bending fixture. The design is ingenious and can automatically replace manual bending life testing of the product. The bending force and angle are consistent each time, and the testing is accurate.

[0012] By adjusting the position of the sliding block on the slide rail assembly, the swing amplitude of the rack can be adjusted, thereby adjusting the rotation angle of the shaft. The rotation angle corresponds to the bending degree, and life detection of different bending degrees can be performed;

[0013] The relative distance between the bakelite blocks on the bending jig and the moving side jig can be adjusted, which is suitable for the placement of screens of different sizes and can perform bending life tests on screens of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a bending life detection device.

[0015] Figure 2 The figure is a schematic diagram of the bending fixture structure of a bending life detection device.

[0016] Figure 3 It is a partial structural schematic diagram of a bending life detection device.

[0017] Figure 4 The present invention is a schematic diagram of the structure of the power mechanism part of a bending life detection device.

[0018] Among them, 1. detection frame, 2. fixed beam, 3. bending jig, 31. bottom plate, 310. first waist-shaped hole, 32. adjustment plate, 320. second waist-shaped hole, 33. bakelite block, 34. R angle positioning block, 4. rotating shaft, 5. inner swing arm, 6. moving side beam, 7. moving side jig, 71. connecting rod, 72. fixed plate, 73. moving side sliding block, 74. moving side bottom plate, 75. moving side bakelite block, 8. detector, 9. power mechanism, 91. motor, 92. turntable, 93. slide rail assembly, 931. slider plate, 932. limit plate, 94. sliding block, 95. rotating block, 96. rack, 97. gear, 98. spur gear limit block. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0020] See also Figures 1 to 4 , the utility model embodiment includes:

[0021] A bending life detection device includes a detection frame 1, a fixed beam 2, a bending fixture 3, a rotating shaft 4, an inner swing arm 5, a moving side beam 6, a moving side fixture 7, a detector 8 and a power mechanism 9.

[0022] A fixed crossbeam 2 is installed on the detection frame 1, and a row of bending jigs 3 are installed on the fixed crossbeam 2. Two rotating shafts 4 are rotatably installed on the detection frame 1 on both sides of the fixed crossbeam 2 through bearing seats. Inner swing arms 5 are installed at opposite ends of the two rotating shafts 4, and movable side crossbeams 6 are installed on the two inner swing arms 5. In the initial position, the movable side crossbeam 6 is flush with the fixed crossbeam 2. A plurality of movable side jigs 7 corresponding to the bending jigs 3 are installed on the movable side crossbeam 6. The bending jigs 3 and the movable side jigs 7 are electrically connected to a detector 8, and the detector 8 is placed in the detection frame 1. A power mechanism 9 for driving the movable side crossbeam 6 to rotate around the fixed crossbeam 2 is installed on the side end of the detection frame 1. The rotation angle can be adjusted according to requirements, and bending life detection of different degrees can be performed.

[0023] The power mechanism 9 includes a motor 91, a turntable 92, a slide rail assembly 93, a sliding block 94, a rotating block 95, a rack 96, a gear 97 and a spur-toothed stopper 98. The motor 91 is installed on the detection frame 1. The motor 91 drives the turntable 92. The turntable 92 is equipped with a slide rail assembly 93. The slide rail assembly 93 is equipped with a position-adjustable sliding block 94. The rotating block 95 is rotatably installed on the protruding end of the sliding block 94 through a bearing seat. The rotating block 95 is equipped with a rack 96. A gear 97 meshing with the rack 96 is installed on one of the rotating shafts 4. The rotating shaft 4 is also rotatably equipped with a spur-toothed stopper 98. The spur-toothed stopper 98 is provided with a limit slot hole for limiting the rack. The rack 96 passes through the limit slot of the spur-toothed stopper 98. The turntable 92 is driven by the motor 91 to rotate. The motor 91 is used in conjunction with a counting sensor to identify the number of rotations of the motor 91, thereby counting the number of bends. The turntable 92 drives the slide rail assembly 93 and the sliding block 94 to rotate. The rotation of the sliding block 94 drives the rotating block 95 to rotate. The rotating block 95 drives the rack 96 to swing. Since the other end of the rack is engaged with the gear 97, the swing of the rack 96 drives the gear 97 to rotate, thereby driving the movable side beam 6 to rotate. The movable side beam 6 rotates around the fixed beam 2. By adjusting the position of the sliding block 94 on the slide rail assembly 93, the swing amplitude of the rack 96 can be adjusted, thereby adjusting the rotation angle of the shaft 4. The rotation angle corresponds to the degree of bending, and life detection of different degrees of bending can be performed.

[0024] The slide rail assembly 93 includes two opposing slider plates 931 and limit plates 932 installed at both ends of the two slider plates 931. A sliding block 94 is slidably arranged between the two slider plates 931. The opposing surfaces of the two slider plates 931 are provided with raised slide tables. The sliding block 94 is provided with a sliding groove that cooperates with the slide table. The limit plates 932 are installed with locking screws, and the sliding block 94 is provided with a threaded hole that cooperates with the locking screw.

[0025] The bending jig 3 includes a base plate 31, an adjustment plate 32, a bakelite block 33 and an R-angle positioning block 34. The base plate 31 is installed on the fixed beam 2. The base plate 31 is provided with a first waist-shaped hole 310 for adjusting the installation position. The base plate 31 is installed with an adjustment plate 32. The adjustment plate 32 is provided with a second waist-shaped hole 320 for adjusting the installation position. The adjustment plate 32 is installed with a bakelite block 33. R-angle positioning blocks 34 are installed on the base plate 31 on both sides of the bakelite block 33.

[0026] The movable side fixture 7 comprises a connecting rod 71, a fixed plate 72, a movable side sliding block 73, a movable side bottom plate 74 and a movable side bakelite block 75. The two connecting rods 71 ​​are horizontally inserted into the movable side cross beam 6. The outer ends of the two connecting rods 71 ​​are installed with fixed plates 72. The two fixed plates 72 are sleeved with movable side sliding blocks 73 whose positions can be adjusted. The movable side bottom plate 74 is installed on the movable side sliding block 73. The movable side bakelite block 75 is installed on the movable side bottom plate 74.

[0027] The installation position of the bakelite block 33 of the bending jig 3 can be adjusted through the first waist-shaped hole 310 and the second waist-shaped hole 320, the installation position of the movable side bakelite block 75 of the movable side jig 7 can be adjusted through the movable side sliding block 73, and the relative spacing between the bakelite blocks on both sides can be adjusted, which is suitable for the placement of screens of different sizes.

[0028] When the bending life detection device of the utility model is working, the product to be detected is placed on the bending jig 3 and the movable side jig 7, the power mechanism 9 drives the movable side beam 6 to rotate around the fixed beam 2, the movable side jig 7 is closed toward the bending jig 3, the counting sensor identifies the number of bending times, the detector 8 identifies the product performance, and the bending life detection is performed. The bending degree is adjusted by adjusting the power mechanism 9, and life detection with different bending degrees can be performed.

[0029] The utility model discloses a bending life detection device, which is cleverly designed and can automatically perform bending life detection on products instead of manual work. The bending force and angle are consistent each time, and the detection is accurate. The bending angle can be adjusted according to requirements to perform bending life detection of different degrees.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A bending life detection device, characterized in that: It includes a detection frame, a fixed beam, a bending jig, a rotating shaft, an inner swing arm, a moving side beam, a moving side jig, a detector and a power mechanism. The detection frame is equipped with a fixed beam, a row of bending jigs are installed on the fixed beam, two rotating shafts are rotatably installed on the detection frame on both sides of the fixed beam through bearing seats, inner swing arms are installed at opposite ends of the two rotating shafts, and the moving side beam is installed on the two inner swing arms. In the initial position, the moving side beam is flush with the fixed beam, and a number of moving side jigs opposite to the bending jigs are installed on the moving side beam, the bending jig and the moving side jig are electrically connected to the detector, and a power mechanism for driving the moving side beam to rotate around the fixed beam is installed on the side end of the detection frame.

2. A bending life detection device according to claim 1, characterized in that: The power mechanism includes a motor, a turntable, a slide rail assembly, a sliding block, a rotating block, a rack, a gear and a spur gear limit block. The motor is installed on the detection frame, and the motor drives the turntable. The turntable is equipped with a slide rail assembly, and the slide rail assembly is equipped with a sliding block with adjustable position. The rotating block is rotatably installed at the protruding end of the sliding block through a bearing seat, and a rack is installed on the rotating block. A gear meshing with the rack is installed on one of the rotating shafts, and a spur gear limit block is also rotatably installed on the rotating shaft. The spur gear limit block is provided with a limiting slot hole for limiting the rack, and the rack passes through the limiting slot hole of the spur gear limit block.

3. The bending life detection device according to claim 1, characterized in that: The bending jig includes a base plate, an adjustment plate, a bakelite block and an R-angle positioning block. The base plate is installed on a fixed crossbeam, a first waist-shaped hole for adjusting the installation position is provided on the base plate, an adjustment plate is installed on the base plate, a second waist-shaped hole for adjusting the installation position is provided on the adjustment plate, a bakelite block is installed on the adjustment plate, and R-angle positioning blocks are installed on the base plates on both sides of the bakelite block.

4. The bending life detection device according to claim 1, characterized in that: The movable side fixture comprises a connecting rod, a fixed plate, a movable side sliding block, a movable side bottom plate and a movable side bakelite block. Two connecting rods are horizontally inserted into the movable side cross beam. Fixed plates are installed at the outer ends of the two connecting rods. The two fixed plates are sleeved with movable side sliding blocks that can adjust their positions. The movable side bottom plate is installed on the movable side sliding block, and the movable side bakelite block is installed on the movable side bottom plate.

Images