Multi-station torsion testing machine

Abstract

The utility model discloses a multi-station torsion testing machine in the torsion testing field, the front end and the rear end of a testing machine rack are respectively provided with a first testing station, a second testing station and a corresponding base in a linear arrangement mode, each testing station is provided with a testing table fixed on the rack, a testing plate is arranged in the middle of each testing table in a suspension mode, and the top of each testing table is provided with a clamp for clamping one end of a folding screen. The bottom of the frame is connected with a torsion sensor through a sensor base, a first rocker and a second rocker which can be overturned back and forth are transversely erected on the frame, clamping jaws are arranged corresponding to the first test station and the second test station respectively and used for clamping the other end of the folding screen, and the rockers are in linkage rotation with a synchronizing wheel in the base through rocker arms, and a first transmission rod, a second transmission rod and a motor are arranged in the frame. According to the utility model, a plurality of folding screens can be tested synchronously, the test efficiency is improved, the result stability is ensured, the comparison and optimization of product performance are facilitated, and the test requirements of large-scale production are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to torsion test technical field, concretely is a kind of multi-station torsion testing machine. BACKGROUND

[0002] In the wave of technological innovation, folding screen technology, as a breakthrough innovation, is gradually moving from concept to application, especially in the field of smart phones, showing unique charm. This leading design not only redefines the form boundary of mobile devices, but also brings users unprecedented visual extension and interaction freedom. However, the widespread application of folding screens is not without challenges. Its durability, especially the precision design of hinges in the folding screen area, the fatigue resistance of flexible display materials and the stability of the overall structure, constitute the core indicators for measuring the product life cycle. Therefore, accurate torsion testing of folding screens to scientifically verify their durability and reliability has become an indispensable key link in the whole chain from research and development to mass production of folding screen phones.

[0003] However, the mainstream folding screen torsion testing equipment on the market generally adopts a single-station operation mode, i.e. only a single folding screen can be tested independently each time. This testing method has obvious limitations: first, the testing efficiency is low, which cannot meet the needs of large-scale production testing; second, since only one folding screen can be tested each time, the stability and consistency of the test results are difficult to guarantee; finally, the single-station testing machine cannot compare the torsion performance of multiple folding screens simultaneously during testing, which is not conducive to product optimization and improvement. UTILITY MODEL CONTENT

[0004] To overcome the shortcomings of the prior art, the utility model provides a multi-station torsion testing machine, which can effectively solve the technical problem of low work efficiency caused by the inability of the current folding screen testing machine to test in batches.

[0005] The utility model solves the technical problems by adopting the following technical solutions:

[0006] A multi-station torsion testing machine, comprising a rack, four first testing stations and two first bases are arranged in a straight line at the front end of the rack, four second testing stations and two second bases are arranged in a straight line at the rear end of the rack.

[0007] The first testing station and the second testing station are both provided with a testing table fixed on the rack, a testing plate is suspended in the middle of the testing table, a clamp for clamping and fixing one end of the folding screen is arranged on the top of the testing plate, and a torsion sensor is connected to the bottom of the testing plate through a sensor base.

[0008] The first rocker and the second rocker are arranged transversely on the rack and can be flipped forward and backward, the first rocker is provided with four first clamping jaws corresponding to the first test station, the second rocker is provided with four second clamping jaws corresponding to the second test station, and the first clamping jaws and the second clamping jaws are used for clamping and fixing the other end of the foldable screen.

[0009] The two ends of the first rocker are connected with the corresponding first base through a first rocker arm, one end of the first rocker arm is fixed with the first rocker, the other end of the first rocker arm is connected with the first base through a first synchronous wheel, the two ends of the second rocker are connected with the corresponding second base through a second rocker arm, one end of the second rocker arm is fixed with the second rocker, and the other end of the second rocker arm is connected with the second base through a second synchronous wheel.

[0010] The first transmission rod is provided with a fifth synchronous wheel and two third synchronous wheels corresponding to the first synchronous wheel, the second transmission rod is provided with a sixth synchronous wheel, a seventh synchronous wheel and two fourth synchronous wheels corresponding to the second synchronous wheel, the output end of the motor is connected with an eighth synchronous wheel, the first synchronous wheel and the third synchronous wheel are connected through a first transmission belt, the second synchronous wheel and the fourth synchronous wheel are connected through a second transmission belt, the fifth synchronous wheel and the sixth synchronous wheel are connected through a third transmission belt, and the seventh synchronous wheel and the eighth synchronous wheel are connected through a fourth transmission belt.

[0011] Further, the rear end of the rack is provided with a protruding part protruding upward, and the second test station and the second base are arranged on the protruding part.

[0012] Further, the clamp comprises a clamping bottom plate and a clamping panel, the clamping bottom plate is fixed on the test plate, and one end of the clamping panel is connected with the clamping bottom plate through a rotating shaft, so that the clamping panel is flipped through the rotating shaft.

[0013] Further, the test plate is provided with a supporting assembly close to one end of the rotating shaft, the supporting assembly comprises a linear guide rail, two sliding blocks arranged on the linear guide rail and sliding, and two knobs for driving and controlling the movement of the corresponding sliding blocks, the two sliding blocks are arranged on the two sides of the clamping panel and are controlled to move to the bottom of the clamping panel through the knobs to realize the limiting and fixing of the clamping panel.

[0014] Further, one end of the first clamping jaw is sleeved on the outside of the first rocker, and the first clamping jaw can move along the length direction of the first rocker, and the first clamping jaw is fixed by the first locking part locked with the first rocker; one end of the second clamping jaw is sleeved on the outside of the second rocker, and the second clamping jaw can move along the length direction of the second rocker, and the second clamping jaw is fixed by the second locking part locked with the second rocker.

[0015] Further, one side of the rack is provided with a control electric box and a display screen for displaying the torsion value, and the control electric box is connected with the motor, the torsion sensor and the display screen at the same time.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The utility model discloses a plurality of test stations are set up to carry out the test work of folding screen synchronously, greatly improve test efficiency, satisfy large -scale production test demand, shorten product test period, accelerate the production process, and the test of folding screen is carried out to the plurality of test stations under the same condition, guarantees the stability and consistency of test result, provides reliable basis for folding screen quality evaluation, helps to promote product quality, and can compare the torsion performance of multiple folding screens simultaneously in the test process, is favorable to the optimization and improvement of product. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram for the utility model embodiment;

[0019] Figure 2 It is rack surface connection structure schematic diagram for the utility model embodiment;

[0020] Figure 3 It is rack internal structure schematic diagram for the utility model embodiment;

[0021] Figure 4 It is test platform and test plate connection structure schematic diagram for the utility model embodiment;

[0022] Reference numerals in the drawing:

[0023] 1-rack, 2-first test station, 3-first pedestal, 4-second test station, 5-second pedestal, 6-test platform, 7-test plate, 8-clamp, 9-sensor pedestal, 10-torsion sensor, 11-first rocker, 12-second rocker, 13-first clamping jaw, 14-second clamping jaw, 15-first rocker arm, 16-first synchronous wheel, 17-second rocker arm, 18-second synchronous wheel, 19-first transmission rod, 20-second transmission rod, 21-motor, 22-fifth synchronous wheel, 23-third synchronous wheel, 24-sixth synchronous wheel, 25-seventh synchronous wheel, 26-fourth synchronous wheel, 27-eighth synchronous wheel, 28-first transmission belt, 29-second transmission belt, 30-third transmission belt, 31-fourth transmission belt, 32-supporting assembly, 33-first locking piece, 34-second locking piece, 35-control electric box, 36-display screen;

[0024] 101-protruding portion;

[0025] 801-clamping bottom plate, 802-clamping panel, 803-rotation shaft

[0026] 3201 - linear guide, 3202 - slider, 3203 - knob. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] As shown in Figures 1-4 The utility model provides a kind of multi-station torsion testing machine, and the torsion testing machine greatly improves test efficiency by the simultaneous work of multiple test stations. Its external structure mainly includes rack 1, and rack 1 is used as the support basis of entire testing machine, and four first test stations 2 and two first pedestals 3 are linearly arranged at its front end, and four second test stations 4 and two second pedestals 5 are linearly arranged at its rear end. When distributing, two first pedestals 3 are arranged at the two sides of four first test stations 2, and two second pedestals 5 are arranged at the two sides of four second test stations 4.

[0029] In addition, the rear end of rack 1 is also provided with upwardly protruding protruding portion 101, and second test station 4 and second pedestal 5 are both arranged on the protruding portion 101, and such layout makes the structure compact and reasonable before and after rack, and makes full use of space.

[0030] First test station 2 and second test station 4 are both provided with test table 6 fixed on rack 1, and the middle part of test table 6 is suspendedly provided with test plate 7, and the top of test plate 7 is provided with clamp 8 for clamping and fixing one end of folding screen. Clamp 8 includes clamping bottom plate 801 and clamping panel 802, clamping bottom plate 801 is fixed on test plate 7, and clamping panel 802 is connected with one end of clamping bottom plate 801 by pivot 803, so that clamping panel 802 can be turned over by pivot 803, to facilitate the placement and fixation of folding screen. The bottom of test plate 7 is connected with torsion sensor 10 by sensor pedestal 9, and torsion sensor 10 can accurately measure the torsion generated by folding screen during testing.

[0031] Rack 1 is transversely provided with first rocker 11 and second rocker 12 that can be turned over forward and backward. First rocker 11 is provided with four first clamping jaws 13 corresponding to first test station 2, and second rocker 12 is provided with four second clamping jaws 14 corresponding to second test station 4, and first clamping jaw 13 and second clamping jaw 14 are both used for clamping and fixing the other end of folding screen.

[0032] One end of the first clamping jaw 13 is sleeved on the outside of the first rocker 11 and can move along the length direction of the first rocker 11, and is provided with a first locking part 33 fixed by locking with the first rocker 11; one end of the second clamping jaw 14 is sleeved on the outside of the second rocker 12 and can move along the length direction of the second rocker 12, and is provided with a second locking part 34 fixed by locking with the second rocker 12. The movable and locking design enables the clamping jaw to be adjusted according to the size of different folding screens and test requirements, improving the flexibility and universality of the test.

[0033] The two ends of the first rocker 11 are connected with the corresponding first base 3 through the first rocker arm 15, one end of the first rocker arm 15 is fixed with the first rocker 11, and the other end is connected with the first synchronous wheel 16 installed in the first base 3 to rotate in linkage. The two ends of the second rocker 12 are connected with the corresponding second base 5 through the second rocker arm 17, one end of the second rocker arm 17 is fixed with the second rocker 12, and the other end is connected with the second synchronous wheel 18 installed in the second base 5 to rotate in linkage.

[0034] The first transmission rod 19, the second transmission rod 20 and the motor 21 are arranged in the rack 1. The fifth synchronous wheel 22 and two third synchronous wheels 23 corresponding to the first synchronous wheel 16 are arranged on the first transmission rod 19, and the sixth synchronous wheel 24, the seventh synchronous wheel 25 and two fourth synchronous wheels 26 corresponding to the second synchronous wheel 18 are arranged on the second transmission rod 20. The output end of the motor 21 is connected with the eighth synchronous wheel 27. The first synchronous wheel 16 is connected with the third synchronous wheel 23 through the first transmission belt 28, the second synchronous wheel 18 is connected with the fourth synchronous wheel 26 through the second transmission belt 29, the fifth synchronous wheel 22 is connected with the sixth synchronous wheel 24 through the third transmission belt 30, and the seventh synchronous wheel 25 is connected with the eighth synchronous wheel 27 through the fourth transmission belt 31. The motor 21 drives the first rocker 11 and the second rocker 12 to flip forward and backward through the linkage action of the transmission belts, so as to realize the torsion test action on the folding screen.

[0035] In order to further strengthen the fixation of the clamp 8, the support assembly 32 close to one end of the rotating shaft 803 is arranged on the test plate 7. The support assembly 32 includes a linear guide rail 3201, two sliding blocks 3202 arranged on the linear guide rail 3201 and sliding, and two knobs 3203 for driving and controlling the movement of the corresponding sliding blocks 3202. The two sliding blocks 3202 are arranged on both sides of the clamping panel 802, and when the clamping panel 802 is flipped to the appropriate position to clamp the folding screen, the sliding blocks 3202 are controlled to move to the bottom of the clamping panel 802 through the knobs 3203, so as to limit and fix the clamping panel 802, and ensure that the folding screen is clamped stably during the test.

[0036] The control electric box 35 is connected with the motor 21, the torsion sensor 10 and the display screen 36. The operator can control the start, stop and rotating speed of the motor 21 through the control electric box 35, so as to control the overturning speed and angle of the rocker. The torsion sensor 10 transmits the measured torsion value to the control electric box 35, and the control electric box 35 displays the torsion value on the display screen 36, so that the operator can know the torsion performance of the folding screen in real time.

[0037] In the actual test process, first, one end of the folding screen to be tested is placed in the clamp 8 of the test table 6 and fixed, and the other end of the folding screen is clamped on the corresponding clamp jaw by adjusting the position of the clamp jaw and fixing by using the locking part. Then, the operator starts the motor 21 through the control electric box 35, and the motor 21 drives the first rocker 11 and the second rocker 12 to overturn 180 degrees forward through the transmission system, so as to apply torsion to the folding screen. The torsion sensor 10 measures the torsion value in real time and transmits the data to the control electric box 35, and the control electric box 35 displays the torsion value on the display screen 36. After the test is completed, the first rocker 11 and the second rocker 12 are reset, the operator stops the motor 21, and the tested folding screen is taken down for the next group of folding screen test.

[0038] Compared with the prior art, the technical scheme greatly improves the test efficiency, meets the large-scale production test demand, shortens the product test cycle and speeds up the mass production process; the multiple test stations test the folding screens under the same conditions, guarantee the stability and consistency of the test results, provide reliable basis for the quality evaluation of the folding screen, help to improve the product quality, and can compare the torsion performance of multiple folding screens during the test process, which is beneficial to the optimization and improvement of the product.

[0039] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, and any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A multi-station torque testing machine, comprising a frame, characterized in that: The front end of the frame is provided with four first test stations and two first bases arranged in a straight line, and the rear end of the frame is provided with four second test stations and two second bases arranged in a straight line. Both the first and second test stations are equipped with test platforms fixed on the frame. A test plate is suspended in the middle of the test platform. A clamp for holding and fixing one end of the folding screen is provided on the top of the test plate. A torque sensor is connected to the bottom of the test plate through a sensor base. The frame is horizontally supported by a first rocker arm and a second rocker arm that can be flipped back and forth. The first rocker arm is provided with four first grippers corresponding to the first test station, and the second rocker arm is provided with four second grippers corresponding to the second test station. Both the first grippers and the second grippers are used to hold and fix the other end of the folding screen. The two ends of the first rocker arm are connected to the corresponding first base through the first rocker arm. One end of the first rocker arm is fixed to the first rocker arm, and the other end of the first rocker arm rotates in conjunction with the first synchronous wheel installed in the first base. The two ends of the second rocker arm are connected to the corresponding second base through the second rocker arm. One end of the second rocker arm is fixed to the second rocker arm, and the other end of the second rocker arm rotates in conjunction with the second synchronous wheel installed in the second base. The frame is equipped with a first transmission rod, a second transmission rod, and a motor. The first transmission rod is equipped with a fifth synchronous pulley and two third synchronous pulleys corresponding to the first synchronous pulley. The second transmission rod is equipped with a sixth synchronous pulley, a seventh synchronous pulley, and two fourth synchronous pulleys corresponding to the second synchronous pulleys. The output end of the motor is connected to an eighth synchronous pulley. The first and third synchronous pulleys are connected by a first transmission belt, the second and fourth synchronous pulleys are connected by a second transmission belt, the fifth and sixth synchronous pulleys are connected by a third transmission belt, and the seventh and eighth synchronous pulleys are connected by a fourth transmission belt.

2. The multi-station torque testing machine according to claim 1, characterized in that: The rear end of the frame is provided with an upward protrusion, and the second test station and the second base are both located on the protrusion.

3. The multi-station torque testing machine according to claim 1, characterized in that: The fixture includes a clamping base plate and a clamping panel. The clamping base plate is fixed on the test plate, and the clamping panel is connected to one end of the clamping base plate by a pivot, so that the clamping panel can be flipped by the pivot.

4. A multi-station torque testing machine according to claim 3, characterized in that: The test board is provided with a support component near one end of the rotating shaft. The support component includes a linear guide rail, two sliders that slide on the linear guide rail, and two knobs that drive and control the movement of the corresponding sliders. The two sliders are located on both sides of the clamping panel, and the clamping panel is limited and fixed by being controlled by the knobs to move towards the bottom of the clamping panel.

5. A multi-station torque testing machine according to claim 1, characterized in that: One end of the first gripper is sleeved on the outside of the first rocker arm, and the first gripper can move along the length direction of the first rocker arm. The first gripper is equipped with a first locking member that is locked to the first rocker arm. One end of the second gripper is sleeved on the outside of the second rocker arm, and the second gripper can move along the length direction of the second rocker arm. The second gripper is equipped with a second locking member that is locked to the second rocker arm.

6. A multi-station torque testing machine according to any one of claims 1-5, characterized in that: A control box and a display screen for displaying torque values ​​are provided on one side of the frame. The control box is connected to the motor, torque sensor and display screen.

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