A testing device for testing the tensile strength of a film

Abstract

The application relates to the technical field of new material detection, in particular to a detection device for testing the tensile strength of a film, which comprises an operation table, a mounting frame fixedly installed on the top of the operation table, at least one placing assembly arranged on the mounting frame and used for placing a winding drum with the film wound thereon, a lifting frame slidingly installed on the mounting frame, a lifting unit arranged on the mounting frame and used for driving the lifting frame to move in the vertical direction, at least one clamping assembly, each clamping assembly comprising two clamping units arranged in the vertical direction in sequence and used for clamping two ends of a film to-be-detected part, and at least one detection unit arranged on the lifting frame and used for driving the clamping unit above to move upwards and detecting the tensile force borne by the film. The film does not need to be repeatedly cut, and only the top end of the next film to-be-detected part needs to be fixed when the film is detected each time, so that the number of times of fixing the film is reduced, and the detection efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of new material testing technology, and in particular to a testing device for testing the tensile strength of thin films. Background Technology

[0002] With the increasing consumption of energy, energy conservation and environmental protection have become one of the important themes of social development. New energy sources and new materials have become important development directions. Among them, thin film materials refer to materials that are innovative in composition, structure, process, or function, and exist and are applied in thin-layer form. They often play a key role in areas where traditional materials cannot perform. Mechanical properties (including tensile strength, elongation at break, and elastic modulus) are among the most basic and important performance indicators of such thin film materials. Current technology generally involves fixing the cut film on two clamps, driving one clamp to move, changing the distance between the two clamps, recording the tensile force the film withstands during the stretching process to break and the length of the sample at break, and then judging the tensile strength and elongation at break of the film.

[0003] However, it is worth considering that when inspecting films on the same take-up drum to assess the uniformity of the quality of the same roll of film, the film needs to be removed from the take-up drum, cut, and the broken film needs to be removed from two clamps for each inspection and replaced with the next film to be inspected. This requires repeatedly fixing the film, which is not convenient for inspecting films on the same take-up drum and has certain limitations.

[0004] Therefore, in order to solve the above problems, a more suitable facility that meets the needs of users is needed. Summary of the Invention

[0005] In view of this, the purpose of the present invention is to provide a testing device for testing the tensile strength of a film, so as to solve the problem that the film needs to be repeatedly cut and fixed, which is inconvenient for testing films on the same winding drum.

[0006] To achieve the above objectives, the present invention provides a testing device for testing the tensile strength of a thin film, comprising an operating table and a mounting bracket fixedly installed on the top of the operating table, and further comprising:

[0007] At least one placement component is provided on the mounting frame for placing a take-up drum wrapped with film;

[0008] The lifting frame is slidably mounted on the mounting bracket.

[0009] The lifting unit, mounted on the mounting frame, is used to drive the lifting frame to move vertically.

[0010] At least one clamping assembly, each clamping assembly comprising two clamping units arranged in sequence in vertical direction for clamping two ends of the film to be detected;

[0011] At least one detection unit arranged on the lifting frame for driving the clamping unit above to move upward and detecting the tension received by the film;

[0012] At least one force applying assembly arranged on the operation table for applying downward tension to the clamping unit below.

[0013] Optionally, the clamping unit comprises a first clamping plate and a second clamping plate, at least two threaded columns are fixedly connected to the first clamping plate, the threaded columns penetrate through the second clamping plate, nuts are sleeved outside the threaded columns and located at the side of the second clamping plate away from the first clamping plate, and at least one first iron plate is fixedly connected to the side of the first clamping plate away from the second clamping plate.

[0014] Optionally, the detection unit comprises a first mounting seat arranged below the lifting frame, a plurality of force sensors are fixedly connected to the lifting frame, the detection ends of the force sensors are fixedly connected to the first mounting seat, the first iron plate on the clamping unit above penetrates through the first mounting seat, and the first mounting seat is fixedly connected to a first electromagnet matched with the first iron plate.

[0015] Optionally, the force applying assembly comprises a second mounting seat arranged below the first mounting seat, the first iron plate on the clamping unit below penetrates through the second mounting seat, the second mounting seat is fixedly connected to a second electromagnet matched with the first iron plate, first and second sliding rails are respectively slidably connected to the two sides of the second mounting seat, the first sliding rail is fixedly connected to the operation table, and a pressure adjusting structure for applying pressure to the second sliding rail is mounted on the operation table.

[0016] Optionally, the pressure adjusting structure comprises a pressing plate arranged at the side of the second sliding rail away from the first sliding rail, a plurality of first guide columns penetrate through the pressing plate, the first guide columns are fixedly connected to the second sliding rail, a movable plate is arranged at the side of the pressing plate away from the second sliding rail, an elastic member matched with the pressing plate is mounted on the movable plate, and a driving member for driving the movable plate to move towards the second sliding rail is mounted on the operation table.

[0017] Optionally, the driving member comprises a rotating column rotatably mounted on the operation table and a first servo motor fixedly mounted on the operation table, the output end of the first servo motor is fixedly connected to the bottom end of the rotating column, a plurality of fixed columns are arranged above the operation table, the number of the fixed columns is consistent with the number of the movable plates, the two ends of the fixed column are fixedly connected through connecting plates and the rotating column, a plurality of rectangular rings arranged in sequence in vertical direction are slidably sleeved outside the fixed column, the rectangular rings are fixedly connected to the corresponding movable plates, and the uppermost rectangular ring and the lowermost rectangular ring are respectively in contact with the corresponding connecting plates.

[0018] Optionally, the elastic member comprises a plurality of second guide posts fixedly installed on the pressing plate, the second guide posts penetrate the movable plate, the end of the second guide post away from the pressing plate is fixedly connected with a fixed disc, the outside of the second guide post is sleeved with a compression spring, and the two ends of the compression spring are fixedly connected with the pressing plate and the movable plate respectively.

[0019] Optionally, the lifting unit comprises a second servo motor fixedly installed on the mounting frame, the output end of the second servo motor is connected with the lifting frame through a ball screw, and the second servo motor rotates to drive the ball screw to realize the movement of the lifting frame in the vertical direction.

[0020] Optionally, the placing assembly comprises a winding frame fixedly installed on the mounting frame, two mounting holes adapted to the end of the winding drum are formed in the winding frame, a fixer for positioning the winding drum is installed on the winding frame, and a presser for applying pressure to the film is installed on the winding frame.

[0021] Optionally, the fixer comprises first magnet blocks symmetrically arranged on the two sides of the winding frame, the bottom of the first magnet block is fixedly connected with a plug-in plate, the plug-in plate is used for penetrating a mounting disc rotationally connected with the end of the winding drum, at least one second iron plate is sleeved on the outside of the plug-in plate, the second iron plate is fixedly connected with the winding frame, and the bottom of the first magnet block and the top of the corresponding second iron plate are in contact.

[0022] Optionally, the presser comprises a rotating frame arranged above the winding frame, a pressing roller for pressing the film is fixedly connected on the rotating frame, the end of the rotating frame away from the pressing roller is rotationally connected with the winding frame through a rotating shaft, a torsion spring is sleeved on the outside of the rotating shaft, and the two torsion arms of the torsion spring are respectively in abutment with the rotating frame and the winding frame.

[0023] Optionally, the winding frame is fixedly connected with a guide frame, a plurality of first guide rollers for guiding the film are rotationally connected on the guide frame, the top of the lifting frame is fixedly connected with a plurality of fixing frames matched with the guide frame, the number of the fixing frames and the guide frame is consistent, a plurality of adjustment rollers arranged in sequence are arranged above the guide frame, the two ends of the adjustment roller are rotationally connected with a connecting seat, the connecting seat is installed with a disassembling device matched with the guide frame and the fixing frame respectively, and a plurality of second guide rollers for guiding the film are rotationally connected on the lifting frame.

[0024] Optionally, the disassembling device comprises iron pipes slidably sleeved on the two ends of the connecting seat, the upper iron pipe is fixedly connected with the fixing frame, the lower iron pipe is fixedly connected with the guide frame, an insert block is penetrated on the iron pipe, the insert block penetrates the connecting seat, and the end of the insert block is fixedly connected with a second magnet block magnetically attracted with the iron pipe.

[0025] The beneficial effects of the present application are that the staff places the winding drum with the film on the mounting frame through the placing assembly, drives the film to move, clamps and fixes the part of the film that needs to be detected through the adjacent two clamping units, drives the lifting frame and the detection unit to move upwards through the lifting unit, and applies a downward pulling force to the film through the force applying assembly, detects the pulling force borne by the film through the detection unit, records the pulling force borne by the film during the stretching to breaking process and the height of the clamping unit located above when the film breaks, records the length of the film when it breaks by measuring the distance between the adjacent two clamping units, drives the lifting frame and the detection unit to move downwards to the initial height through the lifting unit when the other positions on the film need to be detected, drives the clamping unit originally located above to move to below, drives the clamping unit originally located below to move to above, and the clamping unit moved to above clamps the top end of the film that needs to be detected again, so that the lifting frame and the detection unit can be driven to move upwards again through the lifting unit, the film is detected, the film does not need to be cut repeatedly, and only the top end of the next film to be detected needs to be fixed each time the film is detected, the number of times of fixing the film is reduced, the detection efficiency is improved, multiple positions on the same roll of film can be detected, the quality uniformity of the same roll of film can be detected, the convenience is improved, whether the tensile strength and the breaking elongation of the film meet the standard can be judged, and whether the products of the same batch meet the qualified standard can be judged. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only illustrate the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0027] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application.

[0028] Figure 2 It is a schematic diagram of the film moving track structure of the embodiment of the present application.

[0029] Figure 3 It is a schematic diagram of the winding frame structure of the embodiment of the present application.

[0030] Figure 4 It is a schematic diagram of the guide frame and the fixed frame position state structure of the embodiment of the present application.

[0031] Figure 5 It is a schematic diagram of the disassembled structure of the disassembler of the embodiment of the present application.

[0032] Figure 6Structure schematic diagram of the lifting frame of the embodiment of the present application;

[0033] Figure 7 Structure schematic diagram of the clamping unit of the embodiment of the present application split;

[0034] Figure 8 Structure schematic diagram of the operation table of the embodiment of the present application;

[0035] Figure 9 Structure schematic diagram of the second mounting seat of the embodiment of the present application;

[0036] Figure 10 Structure schematic diagram of the elastic member of the embodiment of the present application split;

[0037] Figure 11 Structure schematic diagram of the A area of the embodiment of the present application; Figure 1

[0038] Marked as:

[0039] 1, operation table; 2, mounting frame; 3, lifting frame; 4, first mounting seat; 5, force sensor; 6, second mounting seat; 7, first sliding rail; 8, second sliding rail; 9, first clamping plate; 10, second clamping plate; 11, first iron plate; 12, first electromagnet; 13, threaded column; 14, nut; 15, pressing plate; 16, first guide column; 17, movable plate; 18, rectangular ring; 19, rotating column; 20, first servo motor; 21, second guide column; 22, compression spring; 23, fixed disc; 24, ball screw; 25, second servo motor; 26, winding frame; 27, guide frame; 28, first guide roller; 29, fixed frame; 30, adjusting roller; 31, second guide roller; 32, plug plate; 33, second iron plate; 34, first magnet block; 35, rotating frame; 36, pressing roller; 37, torsion spring; 38, connecting seat; 39, iron pipe; 40, plug block; 41, second magnet block; 42, fixed column; 43, mounting hole; 44, rotating shaft; 45, mounting disc; 46, second electromagnet; 47, connecting plate; 601, winding drum; 602, film. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the present application is further described in detail below in combination with specific embodiments.

[0041] Embodiment one is given by Figure 1 , Figure 2 and Figure 6 The present application comprises an operation table 1 and a mounting frame 2 fixedly mounted on the top of the operation table 1, and further comprises:

[0042] At least one placing assembly is arranged on the mounting frame 2 for placing a winding drum 601 with a film 602 wound thereon;​

[0043] a lifting frame 3, slidingly installed on the mounting frame 2;

[0044] a lifting unit, arranged on the mounting frame 2, for driving the lifting frame 3 to move vertically;

[0045] at least one clamping assembly, each clamping assembly comprising two clamping units arranged vertically in sequence for clamping two ends of a to-be-detected part of the film 602;

[0046] at least one detection unit, arranged on the lifting frame 3, for driving the clamping unit above to move upwards and detecting the tension received by the film 602;

[0047] at least one force applying assembly, arranged on the operating table 1, for applying a downward tension to the clamping unit below;

[0048] The worker places the winding drum 601 with the film 602 wound thereon on the mounting frame 2 through the placing assembly, drives the film 602 to move, clamps and fixes the part of the film 602 to be detected through the adjacent two clamping units, drives the lifting frame 3 and the detection unit to move upwards through the lifting unit, applies a downward tension to the film 602 through the force applying assembly, detects the tension received by the film 602 through the detection unit, records the tension received by the film 602 during the stretching to breaking process and the height of the clamping unit above when the film 602 breaks, records the length of the film 602 when it breaks by measuring the distance between the adjacent two clamping units, and when other positions of the film 602 need to be detected, drives the lifting frame 3 and the detection unit to move downwards to the initial height through the lifting unit, drives the clamping unit originally above to move to below, drives the clamping unit originally below to move to above, and the clamping unit moved to above clamps the top end of the film 602 to be detected again, so as to drive the lifting frame 3 and the detection unit to move upwards again through the lifting unit, realize the detection of the film 602, and do not need to cut the film 602 repeatedly, and only need to fix the top end of the to-be-detected part of the next film 602 each time the film 602 is detected, so as to reduce the number of times of fixing the film 602, improve the detection efficiency, can detect multiple positions on the same roll of film 602, facilitate the detection of the uniformity of the quality of the same roll of film 602, improve the convenience, can determine whether the tensile strength and the breaking elongation of the film 602 meet the standard, and then facilitate the determination of whether the products of the same batch meet the qualified standard.

[0049] In the embodiment two, on the basis of the embodiment one, Figure 1 、 Figure 2 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9And Figure 10 It is given that the clamping unit comprises a first clamping plate 9 and a second clamping plate 10, at least two threaded columns 13 are fixedly connected on the first clamping plate 9, the threaded columns 13 penetrate through the second clamping plate 10, nuts 14 are arranged outside the threaded columns 13 and are located on the side of the second clamping plate 10 away from the first clamping plate 9, at least one first iron plate 11 is fixedly connected on the side of the first clamping plate 9 away from the second clamping plate 10, the detection unit comprises a first mounting seat 4 arranged below the lifting frame 3, a plurality of force sensors 5 are fixedly connected on the lifting frame 3, and the detection ends of the force sensors 5 are fixedly connected with the first mounting seat 4, the first iron plate 11 on the clamping unit above penetrates through the first mounting seat 4, and a first electromagnet 12 matched with the first iron plate 11 is fixedly connected on the first mounting seat 4, the force applying assembly comprises a second mounting seat 6 arranged below the first mounting seat 4, the first iron plate 11 on the clamping unit below penetrates through the second mounting seat 6, and a second electromagnet 46 matched with the first iron plate 11 is fixedly connected on the second mounting seat 6, first and second sliding rails 7 and 8 are respectively slidably connected on the two sides of the second mounting seat 6, the first sliding rail 7 is fixedly connected with the operation table 1, and a pressure adjusting structure for applying pressure to the second sliding rail 8 is arranged on the operation table 1;

[0050] The staff drives the film 602 to pass between the second clamping plate 10 and the first clamping plate 9, the staff drives the nut 14 to rotate, the nut 14 pushes the second clamping plate 10 to move towards the first clamping plate 9, and finally the first clamping plate 9 and the second clamping plate 10 clamp the film 602, the staff drives the first clamping plate 9 to move, so that the first iron plate 11 penetrates through the first mounting seat 4 or the second mounting seat 6, the first electromagnet 12 and the second electromagnet 46 are electrified, the first iron plate 11 is magnetically attracted to the corresponding first electromagnet 12 or second electromagnet 46, so that the clamping unit is fixed relative to the first mounting seat 4 or the second mounting seat 6, the first electromagnet 12 and the second electromagnet 46 are de-energized, the staff drives the first clamping plate 9 to move reversely, so that the first iron plate 11 is no longer magnetically attracted to the corresponding first electromagnet 12 or second electromagnet 46, and the first iron plate 11 is separated from the first mounting seat 4 or the second mounting seat 6, so that the removal of the clamping unit is completed, the staff can install the clamping unit originally located above on the second mounting seat 6, the clamping unit originally located above directly pulls the film 602 to between the detection unit and the force applying assembly, so as to reduce the number of times of clamping and fixing the film 602, when the clamping unit is installed on the second mounting seat 6, the pressure adjusting structure does not apply force in the horizontal direction to the second sliding rail 8, the second mounting seat 6 is slidably installed between the first and second sliding rails 7 and 8, and the film 602 between the two clamping units is straightened at this time.

[0051] In example three, on the basis of example two, Figure 1 , Figure 6 , Figure 7 ,Figure 8 、 Figure 9 and Figure 10 It is given that the pressure adjusting structure includes a pressing plate 15 arranged on the side of the second slide rail 8 away from the first slide rail 7, a plurality of first guide columns 16 are through the pressing plate 15, and the first guide columns 16 are fixedly connected with the second slide rail 8, a movable plate 17 is arranged on the side of the pressing plate 15 away from the second slide rail 8, an elastic member matched with the pressing plate 15 is installed on the movable plate 17, a driving member for driving the movable plate 17 to move towards the second slide rail 8 is installed on the operating table 1, the driving member includes a rotating column 19 rotatably installed on the operating table 1 and a first servo motor 20 fixedly installed on the operating table 1, the output end of the first servo motor 20 is fixedly connected with the bottom end of the rotating column 19, a plurality of fixed columns 42 are arranged above the operating table 1, the number of the fixed columns 42 is consistent with the number of the movable plates 17, the two ends of the fixed columns 42 are fixedly connected with the connecting plates 47 and the rotating column 19 respectively, a plurality of rectangular rings 18 arranged in vertical direction are sleeved on the outside of the fixed columns 42, the rectangular rings 18 are fixedly connected with the corresponding movable plates 17, the uppermost rectangular ring 18 and the lowermost rectangular ring 18 are in contact with the corresponding connecting plates 47 respectively, the elastic member includes a plurality of second guide columns 21 fixedly installed on the pressing plate 15, the second guide columns 21 pass through the movable plate 17, a fixed disc 23 is fixedly connected with the end of the second guide columns 21 away from the pressing plate 15, a compression spring 22 is sleeved on the outside of the second guide columns 21, the two ends of the compression spring 22 are fixedly connected with the pressing plate 15 and the movable plate 17 respectively, the lifting unit includes a second servo motor 25 fixedly installed on the mounting frame 2, the output end of the second servo motor 25 is connected with the lifting frame 3 through a ball screw 24, the second servo motor 25 drives the ball screw 24 to rotate, so that the lifting frame 3 moves in vertical direction;

[0052] When the film 602 needs to be tested, the rotating column 19 is driven to rotate by the first servo motor 20, the rotating column 19 drives the fixed column 42 to slide in the rectangular ring 18 through the connecting plate 47, and the fixed column 42 pushes the rectangular ring 18 and the movable plate 17 to translate, so that the movable plate 17 slides relative to the second guide column 21 and the pressing plate 15, the compression spring 22 is in a compressed state, the pressing plate 15 is in close contact with the second sliding rail 8, the compression spring 22 applies pressure to the pressing plate 15 and the second sliding rail 8, thereby controlling the resistance of the second mounting seat 6 to move upward, the ball screw 24 is driven to rotate by the second servo motor 25, the ball screw 24 drives the lifting frame 3 to slide relative to the mounting frame 2, the lifting frame 3 drives the force sensor 5 and the first mounting seat 4 to move upward, the first mounting seat 4 pulls the second mounting seat 6 to move upward synchronously through the film 602, the tension of the film 602 is changed by continuously increasing the pressure applied to the second sliding rail 8, until the film 602 is broken due to the excessive resistance of the second mounting seat 6 to move upward, the maximum value detected by the force sensor 5 and the height of the first mounting seat 4 at this time are recorded, and the spacing between the two clamping units is calculated, so that whether the tensile strength and the breaking elongation of the film 602 meet the standard can be judged, and whether the products of the same batch meet the qualified standard can be judged.

[0053] In example four, on the basis of example one, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 11The given, the placement assembly includes fixedly installed on the mounting frame 2 on the winding frame 26, the winding frame 26 is provided with two installation holes 43 matched with the end of the winding drum 601, the winding frame 26 is provided with a fixer for positioning the winding drum 601, the winding frame 26 is provided with a presser for applying pressure to the film 602, the fixer includes a first magnet block 34 symmetrically arranged on both sides of the winding frame 26, the bottom of the first magnet block 34 is fixedly connected with the plug-in plate 32, the plug-in plate 32 is used to penetrate the mounting disc 45 rotatably connected with the end of the winding drum 601, the outside of the plug-in plate 32 is sleeved with at least one second iron plate 33, the second iron plate 33 is fixedly connected with the winding frame 26, and the bottom of the first magnet block 34 and the top of the corresponding second iron plate 33 are in contact, the presser includes a rotating frame 35 arranged above the winding frame 26, the rotating frame 35 is fixedly connected with a pressing roller 36 for pressing the film 602, one end of the rotating frame 35 away from the pressing roller 36 is rotatably connected with the winding frame 26 through a rotating shaft 44, the outside of the rotating shaft 44 is sleeved with a torsional spring 37, and the two torsional arms of the torsional spring 37 are respectively in abutment with the rotating frame 35 and the winding frame 26, the winding frame 26 is fixedly connected with a guide frame 27, the guide frame 27 is rotatably connected with a plurality of first guide rollers 28 for guiding the film 602, the top of the lifting frame 3 is fixedly connected with a plurality of fixed frames 29 matched with the guide frame 27, the number of the fixed frames 29 and the guide frame 27 is consistent, a plurality of adjustment rollers 30 arranged in sequence are arranged above the guide frame 27, the two ends of the adjustment roller 30 are rotatably connected with a connecting seat 38, the connecting seat 38 is provided with a disassembler matched with the guide frame 27 and the fixed frame 29 respectively, a plurality of second guide rollers 31 for guiding the film 602 are rotatably connected on the lifting frame 3, the film 602 passes through the first guide roller 28 from below and the adjustment roller 30 from above in sequence, and finally the film 602 is guided to the clamping unit by the second guide roller 31, the disassembler includes iron pipes 39 slidably sleeved on both ends of the connecting seat 38, the upper iron pipe 39 is fixedly connected with the fixed frame 29, and the lower iron pipe 39 is fixedly connected with the guide frame 27, the iron pipe 39 penetrates the plug-in block 40, and the plug-in block 40 penetrates the connecting seat 38, the end of the plug-in block 40 is fixedly connected with the second magnet block 41 magnetically attracted to the iron pipe 39;

[0054] The staff will be two installation disc 45 respectively rotating installation in the two ends of the winding drum 601, the staff will drive the winding drum 601 with film 602 is moved to the lower of the winding frame 26, and the winding drum 601 two ends are respectively slip into two installation hole 43, the staff drives the first magnet block 34 and the plug plate 32 moves, so that the plug plate 32 penetrates the installation disc 45 and the second iron plate 33, through the plug plate 32 limit the position of installation disc 45, avoid the winding drum 601 relative to the winding frame 26 shake, and the first magnet block 34 and the uppermost second iron plate 33 magnetic attraction, the film 602 and the pressing roller 36 is abutted, torsion spring 37 occurs deformation, torsion spring 37 to the rotating frame 35 exerts pressure, so that the pressing roller 36 press on the film 602, avoid the film 602 loose and winding drum 601 from non-human factors rotation, and the film 602 from the lower of the first guide roller 28 and the upper of the adjusting roller 30 staggered in turn, finally the film 602 through the second guide roller 31 is guided to the clamping unit, according to the length of the film 602 pulled out from the winding drum 601 each time detection needs, the staff will drive the second magnet block 41 and the plug block 40 below separately, the second magnet block 41 is no longer with the iron pipe 39 magnetic attraction, so that the plug block 40 is separated from the iron pipe 39 and the connecting seat 38, at this time the fixed frame 29 up, the fixed frame 29 can drive the corresponding adjusting roller 30 and the connecting seat 38 synchronous up, the bottom of the connecting seat 38 is separated from the corresponding iron pipe 39, when the staff will drive the second magnet block 41 and the plug block 40 above separately, the second magnet block 41 is no longer with the iron pipe 39 magnetic attraction, so that the plug block 40 is separated from the iron pipe 39 and the connecting seat 38, at this time the fixed frame 29 up, the fixed frame 29 drives the iron pipe 39 above to separate from the connecting seat 38, the corresponding adjusting roller 30 height remains unchanged, when the connecting seat 38 and the fixed relationship between the guide frame 27 and the fixed frame 29 adjustment is completed, the lifting frame 3 and the fixed frame 29 up, the fixed frame 29 can drive the corresponding adjusting roller 30 up, the distance between the adjusting roller 30 and the first guide roller 28 increases, the adjusting roller 30 can be moved to the film 602, the film 602 pulls the winding drum 601 rotation, can be taken out from the winding drum 601 film 602, when the lifting frame 3 down to the initial height, the film 602 between the adjusting roller 30 and the fixed frame 29 is in loose state, the staff pulls the clamping unit above down, the clamping unit above can pull the next section of the film 602 down to the preset position, convenient for the staff to pull the film 602 detection.

[0055] Those skilled in the art should understand that the above discussion of any embodiment is only intended to be exemplary in nature and is not intended to suggest that the present application is limited to these examples; under the concept of the present application, the above embodiments or technical features among different embodiments can be combined, steps can be implemented in any order, and there are many other variations of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

Claims

1. A detection device for testing the tensile strength of a thin film, comprising an operating table (1) and a mounting frame (2) fixedly mounted on the top of the operating table (1), characterized in that, Also include: At least one placement component, provided on the mounting frame (2) for placing the winding drum (601) wound with the film (602); Lifting frame (3), slidingly installed on the mounting frame (2); Lifting unit, provided on the mounting frame (2) for driving the lifting frame (3) to move vertically; At least one clamping component, each clamping component comprising two vertically arranged clamping units for clamping the two ends of the film (602) to be detected; At least one detection unit, provided on the lifting frame (3) for driving the upper clamping unit to move upwards and detecting the tension of the film (602); At least one force applying component, provided on the operating table (1) for applying downward tension to the lower clamping unit; The clamping unit comprises a first clamping plate and a second clamping plate (10), at least two threaded columns are fixedly connected on the first clamping plate, the threaded columns penetrate through the second clamping plate (10), the outside of the threaded columns is sleeved with a nut located on the side of the second clamping plate (10) away from the first clamping plate, and at least one first iron plate is fixedly connected on the side of the first clamping plate away from the second clamping plate (10); The detection unit comprises a first mounting seat (4) provided below the lifting frame (3), a plurality of force sensors (5) are fixedly connected on the lifting frame (3), the detection end of the force sensor (5) is fixedly connected with the first mounting seat (4), the first iron plate on the upper clamping unit penetrates through the first mounting seat (4), and a first electromagnet matched with the first iron plate is fixedly connected on the first mounting seat (4); The force applying component comprises a second mounting seat (6) provided below the first mounting seat (4), the first iron plate on the lower clamping unit penetrates through the second mounting seat (6), a second electromagnet (46) matched with the first iron plate is fixedly connected on the second mounting seat (6), and the first slide rail (7) and the second slide rail (8) are respectively slidingly connected on the two sides of the second mounting seat (6), the first slide rail (7) is fixedly connected with the operating table (1), and the pressure adjusting structure for applying pressure to the second slide rail (8) is installed on the operating table (1); The pressure adjusting structure comprises a pressing plate (15) provided on the side of the second slide rail (8) away from the first slide rail (7), a plurality of first guide columns (16) penetrate through the pressing plate (15), the first guide columns (16) are fixedly connected with the second slide rail (8), a movable plate (17) is arranged on the side of the pressing plate (15) away from the second slide rail (8), an elastic member matched with the pressing plate (15) is installed on the movable plate (17), and a driving member for driving the movable plate (17) to move towards the second slide rail (8) is installed on the operating table (1).

2. The testing device for testing the tensile strength of a thin film according to claim 1, wherein The driving member comprises a rotating column (19) rotatably mounted on the operation table (1) and a first servo motor (20) fixedly mounted on the operation table (1), the output end of the first servo motor (20) is fixedly connected with the bottom end of the rotating column (19), a plurality of fixed columns (42) are arranged above the operation table (1), the number of the fixed columns (42) is consistent with that of the movable plates (17), the two ends of each fixed column (42) are fixedly connected with the connecting plates (47) and the rotating column (19) respectively, a plurality of rectangular rings (18) arranged in vertical direction are sleeved on the outer portion of the fixed column (42), the rectangular ring (18) is fixedly connected with the corresponding movable plate (17), and the uppermost rectangular ring (18) and the lowermost rectangular ring (18) are in contact with the corresponding connecting plate (47) respectively.

3. The testing device for testing the tensile strength of a thin film according to claim 2, wherein The elastic member comprises a plurality of second guide columns (21) fixedly mounted on the pressing plate (15), the second guide column (21) penetrates through the movable plate (17), the end of the second guide column (21) away from the pressing plate (15) is fixedly connected with a fixed disc (23), the outer portion of the second guide column (21) is sleeved with a compression spring (22), and the two ends of the compression spring (22) are fixedly connected with the pressing plate (15) and the movable plate (17) respectively.

4. The testing device for testing the tensile strength of a thin film according to claim 1, wherein The lifting unit comprises a second servo motor (25) fixedly mounted on the mounting frame (2), the output end of the second servo motor (25) is connected with the lifting frame (3) through a ball screw (24), and the second servo motor (25) drives the ball screw (24) to rotate, so that the lifting frame (3) moves in the vertical direction.

5. The testing device for testing the tensile strength of a thin film according to claim 1, wherein The placing assembly comprises a winding frame (26) fixedly mounted on the mounting frame (2), two mounting holes (43) matched with the end portions of the winding drum (601) are formed in the winding frame (26), the winding frame (26) is provided with a fixer for positioning the winding drum (601), and the winding frame (26) is provided with a presser for applying pressure to the film (602).

6. The testing device for testing the tensile strength of a thin film according to claim 5, wherein The fixer comprises first magnet blocks (34) symmetrically arranged on the two sides of the winding frame (26), the bottom of the first magnet block (34) is fixedly connected with a plug plate (32), the plug plate (32) is used for penetrating through a mounting disc (45) rotatably connected with the end portion of the winding drum (601), at least one second iron plate (33) is sleeved on the outer portion of the plug plate (32), the second iron plate (33) is fixedly connected with the winding frame (26), and the bottom of the first magnet block (34) is in contact with the top of the corresponding second iron plate (33).

7. The testing device for testing the tensile strength of a thin film according to claim 5, wherein The presser comprises a rotating frame (35) arranged above the winding frame (26), the rotating frame (35) is fixedly connected with a pressing roller (36) for pressing the film (602), one end of the rotating frame (35) away from the pressing roller (36) is rotatably connected with the winding frame (26) through a rotating shaft (44), a torsional spring (37) is sleeved on the outer portion of the rotating shaft (44), and the two torsional arms of the torsional spring (37) are in abutment with the rotating frame (35) and the winding frame (26) respectively.

8. The testing device for testing the tensile strength of a thin film according to claim 5, wherein The winding frame (26) is fixedly connected with a guide frame (27), the guide frame (27) is rotatably connected with a plurality of first guide rollers (28) for guiding the film (602), the top of the lifting frame (3) is fixedly connected with a plurality of fixed frames (29) matched with the guide frame (27), the fixed frames (29) and the guide frame (27) are arranged in the same number, a plurality of adjusting rollers (30) are arranged above the guide frame (27) in sequence, the two ends of the adjusting roller (30) are rotatably connected with a connecting seat (38), the connecting seat (38) is installed with a disassembler matched with the guide frame (27) and the fixed frame (29) respectively, a plurality of second guide rollers (31) for guiding the film (602) are rotatably connected on the lifting frame (3), the film (602) passes through the first guide roller (28) and the adjusting roller (30) from below to above in sequence, and finally the film (602) is guided to the clamping unit by the second guide roller (31).

9. The testing device for testing the tensile strength of a thin film according to claim 8, wherein The disassembler comprises iron pipes (39) slidably sleeved on the two ends of the connecting seat (38), the upper iron pipe (39) is fixedly connected with the fixed frame (29), the lower iron pipe (39) is fixedly connected with the guide frame (27), the iron pipe (39) is penetrated with an insertion block (40), the insertion block (40) penetrates the connecting seat (38), and the end of the insertion block (40) is fixedly connected with a second magnet block (41) magnetically attracted to the iron pipe (39).

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