Air energy air column film tension test sampling device

Abstract

The invention relates to an air energy air column film tension test sampling device which is provided with a base. The base is fixedly provided with a bearing base for bearing a sample and a cutting assembly for cutting and sampling the sample, and the cutting assembly comprises a lifting seat, a mounting table, a rotating disc and a plurality of blade groups; a positioning groove plate is further arranged on the base in a lifting mode, the positioning groove plate is located between the blade and the bearing base, and a cutting space allowing the air column film to pass through for cutting is formed between the positioning groove plate and the bearing base; the positioning groove plate is provided with a plurality of through groove sets which are in one-to-one correspondence with the blades in the blade set which can rotate to the position over the positioning groove plate along with rotation of the rotating disc to form inserting fit. A first driving device for driving the mounting table to lift and slide is fixedly arranged on the lifting seat, and a second driving device for driving the rotating disc to rotate is fixedly arranged on the mounting table; the gas column thin film sampling device can rapidly sample a gas column thin film, and is rapid and convenient.

Description

Technical Field

[0001] The invention relates to an air energy air column film tension test sampling device. Background Art

[0002] The tensile test of air column film usually involves the use of a special tensile testing machine to evaluate its mechanical properties, including tensile strength, tear strength, etc. The tensile test of air column film is an experimental method used to evaluate the mechanical properties of film materials, especially in packaging, medical, construction and many other industrial fields. It is of great significance to the application performance of film materials.

[0003] Before testing, the air column film needs to be cut and sampled. During testing, it needs to be cut in different directions, and film samples in different directions are used to test the mechanical properties in different directions. In the existing sampling process, film samples are cut manually and the film is cut with a knife. This process is time-consuming and laborious. At the same time, since the staff who perform cutting work during sampling need to manually use a mold to draw lines and cut, the speed is slow. When faced with a certain amount of testing needs, it is difficult to meet the needs. Summary of the invention

[0004] The purpose of the present invention is to provide an air energy air column film tensile test sampling device, which can quickly sample the air column film, quickly and conveniently.

[0005] The technical scheme for realizing the object of the present invention is as follows: the present invention comprises a base; a supporting base for supporting a sample and a cutting assembly for cutting and sampling the sample are fixedly provided on the base, the cutting assembly comprises a lifting seat fixedly provided on the base, a mounting table which is lifted and slidably provided on the lifting seat and can slide toward the supporting base, a rotating disk which is rotatably provided on the side of the mounting table facing the supporting base, and a plurality of blade groups which are fixedly provided on the rotating disk with the rotating axis of the rotating disk as the central circumference and can rotate to the position directly above the positioning slot plate as the rotating disk rotates; a positioning slot plate is also lifted and provided on the base, the positioning slot plate is located between the blade and the supporting base, and a cutting space is formed between the positioning slot plate and the supporting base for cutting through which an air column film can pass; a plurality of through slot groups which correspond to the blades in the blade group which can rotate to the position directly above the positioning slot plate as the rotating disk rotates are formed on the positioning slot plate to form a plug-in fit; a first driving device for driving the mounting table to lift and slide is fixedly provided on the lifting seat, and a second driving device for driving the rotating disk to rotate is fixedly provided on the mounting table.

[0006] Furthermore, the blade group includes a transverse knife for performing transverse rectangular cutting and a longitudinal knife for performing longitudinal rectangular cutting. A plurality of transverse knives are provided and are radially distributed outward from the center of the rotating disk. A plurality of transverse knives are provided and are radially distributed outward from the center of the rotating disk. The through groove group includes a plurality of cross through grooves that can form a plug-in fit with both the transverse knife and the longitudinal knife. The cross through grooves include transverse grooves that can form a plug-in fit with the transverse knife and longitudinal grooves that can form a plug-in fit with the longitudinal knife. The transverse grooves and the longitudinal grooves are connected and arranged, and the number of the cross through grooves is consistent with the largest number of the transverse knives and the longitudinal knives. An avoidance space is formed between the transverse knife and the longitudinal knife for cutting avoidance when the transverse knife forms a plug-in fit with the transverse groove group or the longitudinal knife forms a plug-in fit with the longitudinal groove group.

[0007] Furthermore, the blades of the transverse knife and the longitudinal knife are both provided with a blade portion for piercing, the cross-sections of the blades of the transverse knife and the longitudinal knife are both closed rectangles, the long side length of the transverse knife blade is less than or greater than the long side length of the longitudinal knife blade, and the short side length of the transverse knife blade is less than or greater than the short side length of the longitudinal knife blade.

[0008] Furthermore, a first lifting drive device and a second lifting drive device are fixedly provided on the base, which are symmetrically arranged on the front and rear sides of the supporting base, and a first connecting plate and a second connecting plate are fixedly provided on the positioning groove plate; screw holes are provided on the lifting ends of the first lifting drive device and the second lifting drive device, and a first bolt block and a second bolt block are also provided, which respectively form threaded cooperation with the screw holes on the lifting ends of the first lifting drive device and the second lifting drive device, and the first connecting plate and the second connecting plate are respectively provided with through holes for the first bolt block and the second bolt block to pass through; the first connecting plate is detachably fixed to the lifting end of the first lifting drive device by the threaded cooperation formed by the first bolt block passing through the through hole on the first connecting plate and the screw hole at the lifting end of the first lifting drive device, and the second connecting plate is detachably fixed to the lifting end of the second lifting drive device by the threaded cooperation formed by the second bolt block passing through the through hole on the second connecting plate and the screw hole at the lifting end of the second lifting drive device.

[0009] Furthermore, a storage groove extending toward the interior of the supporting base is provided at the upper end of the supporting base, and the slot opening of the storage groove is located directly below each through slot group; a material removal port connected to the storage groove is provided on the outer side wall of the supporting base; a guide block is fixedly provided in the storage groove, and a guide slope is provided on the guide block for guiding the cut sample to slide to the material removal port, the upper end of the guide slope is arranged toward the slot opening of the storage groove, and the lower end of the guide slope is arranged toward the material removal port.

[0010] Furthermore, a negative pressure chamber is provided inside the guide block, and a plurality of negative pressure holes are provided on the guide slope, which extend along the guiding direction of the guide slope and are connected to the negative pressure chamber. An exhaust device for exhausting air from the negative pressure chamber is also fixedly provided in the negative pressure chamber, and an exhaust connecting pipe is fixedly provided on the exhaust end of the exhaust device, and a plurality of exhaust holes arranged toward each guide slope are connected on the exhaust connecting pipe.

[0011] Furthermore, a plurality of fixed columns evenly distributed along the edge of the storage groove are fixedly provided at the slot opening of the storage slot, and a lifting plate is also provided, the four sides of the lifting plate are fixedly connected with each fixed column on one side of the storage slot; a channel is penetrated through the middle of the lifting plate for each blade group to pass through, and the lifting plate is located between the supporting base and the positioning slot plate.

[0012] Furthermore, a winding assembly is also provided on the base, and the winding assembly includes a first mounting plate and a second mounting plate respectively fixedly arranged on the left and right sides of the base, and a first roller and a second roller respectively rotatably arranged on the first mounting plate and the second mounting plate, and the first mounting plate and the second mounting plate are symmetrically provided with rotating support plates; the two ends of the first roller are respectively rotatably arranged on the two rotating support plates of the first mounting plate, and the two ends of the second roller are respectively rotatably arranged on the two rotating support plates of the second mounting plate.

[0013] Furthermore, a clamping block for clamping the edge of the sample is fixedly provided on the first roller and the second roller, and the clamping block is provided with a clamping opening whose one end is connected to the outside and extends along the extension direction of the first roller or the second roller.

[0014] Furthermore, one end of the first roller and the second roller located on the same side respectively passes through the rotating support plate on the first mounting plate and the rotating support plate of the second mounting plate, and a driving handle is fixedly connected to one end of the first roller passing through the rotating support plate on the first mounting plate and one end of the second roller passing through the rotating support plate of the second mounting plate.

[0015] The present invention has positive effects: (1) The cutting assembly of the present invention comprises a lifting seat fixedly arranged on a base, a mounting platform which is lifted and slidably arranged on the lifting seat and can slide toward a supporting base, a rotating disk which is rotatably arranged on a side of the mounting platform facing the supporting base, and a plurality of blade groups which are fixedly arranged on the rotating disk with a rotating axis of the rotating disk as a center circumference and can rotate to the top of the positioning slot plate as the rotating disk rotates; a positioning slot plate is also lifted and lowered on the base, the positioning slot plate is located between the blade and the supporting base, and a plurality of through slot groups are arranged on the positioning slot plate, which correspond one to one with the blades in the blade group which can rotate to the top of the positioning slot plate as the rotating disk rotates; through the plug-in cooperation of the plurality of blade groups and the through slot groups, the film located below the positioning slot plate can be quickly cut and sampled, which is fast and convenient.

[0016] (2) The blade group of the present invention includes a transverse knife for performing transverse rectangular cutting and a longitudinal knife for performing longitudinal rectangular cutting. The through groove group includes a plurality of cross grooves that can be plugged into and matched with the transverse knife and the longitudinal knife. The cross grooves include a transverse groove that can be plugged into and matched with the transverse knife and a longitudinal groove that can be plugged into and matched with the longitudinal knife. The transverse grooves and the longitudinal grooves are connected. The transverse knife and the longitudinal knife can form samples with different directions of film fibers during cutting, so that when performing tests, the tensile machine can pull the short sides of samples with different directions of film fibers to perform different performance tests.

[0017] (3) The front and rear sides of the supporting base of the present invention are respectively fixed with a first lifting drive device and a second lifting drive device, and the positioning slot plate is fixed with a first connecting plate and a second connecting plate. The positioning slot plate is detachably fixed to the lifting ends of the first lifting drive device and the second lifting drive device after the bolt block passes through the through holes of the first connecting plate and the second connecting plate, so that the positioning slot plate can be disassembled and replaced, and the film can be more conveniently entered into the cutting space.

[0018] (4) The long side length of the transverse knife edge of the present invention is smaller than or larger than the long side length of the longitudinal knife edge, and the short side length of the transverse knife edge is smaller than or larger than the short side length of the longitudinal knife edge, which facilitates distinguishing transversely cut samples and longitudinally cut samples after transverse cutting and longitudinal cutting.

[0019] (5) The upper end of the supporting base of the present invention is provided with a storage groove extending toward the interior of the supporting base, and the slot opening of the storage groove is located directly below each through slot group; the outer side wall of the supporting base is provided with a material extraction port connected to the storage groove; it is convenient to collect samples after cutting.

[0020] (6) A guide block is fixedly provided in the storage groove of the present invention, and a guide slope is provided on the guide block for guiding the cut sample to slide to the material removal port. The upper end of the guide slope is arranged toward the notch of the storage groove, and the lower end of the guide slope is arranged toward the material removal port. The guide slope of the guide block can facilitate the quick sliding out of the cut sample.

[0021] (7) The guide block of the present invention is provided with a negative pressure chamber inside, and the guide slope is provided with a plurality of negative pressure holes extending along the guiding direction of the guide slope and connected to the negative pressure chamber. A vacuum device for evacuating the negative pressure chamber is also fixedly provided in the negative pressure chamber. When cutting in multiple directions, the negative pressure chamber is evacuated by the vacuum device, so that samples in different directions after cutting can stay on the guide slope. When it is necessary to take out the samples staying on the guide slope, the vacuum device is disconnected and the vacuum is stopped, so that all the samples can be taken out at once, which is convenient for unified sliding out and collection.

[0022] (8) The base of the present invention is also provided with a winding assembly, which includes a first mounting plate and a second mounting plate fixedly arranged on the left and right sides of the base respectively, and a first roller and a second roller rotatably arranged on the first mounting plate and the second mounting plate respectively, and a clamping block for clamping the edge of the sample is fixedly provided on the first roller and the second roller, and a clamping opening is provided on the clamping block, which is connected to the outside at both ends and extends along the extension direction of the first roller or the second roller; through the clamping of the clamping blocks on the first roller and the second roller, it is convenient to roll up the film to be cut, and when cutting, the cutting part of the film can be adjusted by rolling the first roller and the second roller, thereby reducing the chance of injury caused by manual adjustment of the cutting position.

[0023] (9) In the present invention, a driving handle is fixedly connected to one end of the first roller passing through the rotating support plate on the first mounting plate and one end of the second roller passing through the rotating support plate on the second mounting plate. The driving handle is convenient for controlling the winding degree of the first roller and the second roller, and manually controlling to ensure the accuracy of the cutting position. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a front view of the present invention;

[0027] Figure 3 It is a left side view of the present invention;

[0028] Figure 4 It is a right side view of the present invention;

[0029] Figure 5 for Figure 1 A partial enlarged view of the middle part;

[0030] Figure 6 for Figure 1 A partial enlarged view of middle B;

[0031] Figure 7 It is a schematic diagram of the assembly of the blade set and the rotating disk in the present invention;

[0032] Figure 8 It is a schematic diagram of the structure of the transverse knife of the present invention;

[0033] Fig. 9 It is a structural schematic diagram of the longitudinal knife of the present invention;

[0034] Fig.10It is a schematic diagram of the blade position of the present invention;

[0035] Fig.11 It is a cross-sectional view of the supporting base of the present invention. DETAILED DESCRIPTION

[0036] See Figures 1 to 11 The present invention comprises a base 1; the base 1 is fixedly provided with a supporting base 2 for supporting a sample and a cutting assembly 3 for cutting and sampling the sample, the cutting assembly 3 comprises a lifting seat 31 fixedly arranged on the base 1, a mounting table 32 which is lifted and slidably arranged on the lifting seat 31 and can slide toward the supporting base 2, a rotating disk 33 which is rotatably arranged on a side of the mounting table 32 facing the supporting base 2, and a plurality of blade groups 34 which are fixedly arranged on the rotating disk 33 with the rotating axis of the rotating disk 33 as the central circumference and can rotate to the top of the positioning slot plate 4 with the rotation of the rotating disk 33; The base 1 is also provided with a positioning slot plate 4 for lifting and lowering, and the positioning slot plate 4 is located between the blade and the supporting base 2, and a cutting space is formed between the positioning slot plate 4 and the supporting base 2 for the air column film to pass through for cutting; the positioning slot plate 4 is provided with a plurality of through slot groups 5 which correspond one-to-one with the blades in the blade group 34 which can be rotated to the top of the positioning slot plate 4 as the rotating disk 33 rotates; the lifting seat 31 is fixedly provided with a first driving device 6 for driving the mounting platform 32 to lift and slide, and the mounting platform 32 is fixedly provided with a second driving device 7 for driving the rotating disk 33 to rotate.

[0037] Through the plug-in cooperation of the plurality of blade groups 34 and the through slot group 5, the film located below the positioning slot plate 4 can be quickly cut and sampled, which is fast and convenient.

[0038] The lifting seat 31 is provided with a main sliding groove 311 extending in the up-down direction, and the left and right sides of the main sliding groove 311 are connected with a first sub-sliding groove and a second sub-sliding groove, and the upper end of the second sub-sliding groove is penetrated by a first through hole; the mounting platform 32 is provided with a first sliding block and a second sliding block respectively slidably arranged in the first sub-sliding groove and the second sub-sliding groove, and the interior of the second sub-sliding groove is rotatably provided with a threaded rod, and the second sliding block is provided with a threaded hole that can form a threaded match with the threaded rod, and the upper end of the threaded rod passes through the first through hole and is fixedly connected to the driving end of the first driving device 6; the mounting platform 32 is lifted and slidably arranged on the lifting seat 31 by the drive of the first driving device 6 and the threaded match between the threaded rod and the threaded hole.

[0039] The second driving device 7 is fixedly arranged on the side of the mounting platform 32 facing away from the supporting base 2. A second through hole is penetrated on the mounting platform 32. The driving end of the second driving device 7 extends to the inside of the second through hole. A rotating column with one end fixedly arranged at the center of the rotating disk 33 is also provided. The other end of the rotating column extends to the inside of the second through hole and is fixedly connected to the driving end of the second driving device 7. The rotating disk 33 can rotate under the drive of the second driving rotation; a reducer may be provided at the fixed connection between the rotating column and the driving end of the second driving device 7. The reducer is located inside the second through hole. The driving end of the second driving device 7 is fixedly connected to the input end of the reducer, and the end of the rotating column that is not fixedly connected to the rotating disk 33 is fixedly connected to the output end of the reducer.

[0040] The blade group 34 includes a transverse knife 341 for transverse rectangular cutting and a longitudinal knife 342 for longitudinal rectangular cutting. The transverse knife 341 is provided with multiple and radially distributed outward from the center of the rotating disk 33. The transverse knife 341 is provided with multiple and radially distributed outward from the center of the rotating disk 33; the through groove group 5 includes multiple cross grooves 51 that can form a plug-in fit with the transverse knife 341 and the longitudinal knife 342. The cross groove 51 includes a transverse groove 511 that can form a plug-in fit with the transverse knife 341 and a longitudinal groove 512 that can form a plug-in fit with the longitudinal knife 342. The transverse groove 511 and the longitudinal groove 512 are connected and arranged, and the number of the cross grooves 51 is consistent with the largest number of the transverse knife 341 and the longitudinal knife 342; an avoidance space a is formed between the transverse knife 341 and the longitudinal knife 342 for cutting avoidance when the transverse knife 341 forms a plug-in fit with the transverse groove 511 group or the longitudinal knife 342 forms a plug-in fit with the longitudinal groove 512 group.

[0041] The avoidance space a enables the transverse blade 341 and the transverse groove 511 to form a plug-in fit or the longitudinal blade 342 and the longitudinal groove 512 to form a corresponding plug-in fit, so that the bottom of the rotating disk 33 fits with the upper end of the positioning groove plate 4 without being affected by other blades.

[0042] The blades of the transverse knife 341 and the longitudinal knife 342 are both provided with a blade portion 343 for piercing. The cross-sections of the blades of the transverse knife 341 and the longitudinal knife 342 are both closed rectangles. The long side length of the blade of the transverse knife 341 is less than or greater than the long side length of the blade of the longitudinal knife 342, and the short side length of the blade of the transverse knife 341 is less than or greater than the short side length of the blade of the longitudinal knife 342.

[0043] The transverse knife 341 and the longitudinal knife 342 can form samples with different film fiber directions during cutting, so that during testing, the tensile machine can pull the short sides of the samples with different film fiber directions to perform different performance tests.

[0044] The transverse knife 341 and the longitudinal knife 342 are both formed by a combination of four blades, the cutting edges of the four blades face the same direction and are spliced ​​in sequence to form a frame, the joints of the four blades are fixed by welding, and there is an angle between the cutting edge of each blade and the horizontal line; after the four blades are welded to form a frame, the cutting edges of the four blades form a blade portion 343 that can first contact the air column film when the mounting table 32 is raised and lowered for cutting.

[0045] A base block is also provided which can be fixedly mounted on the rotating disk 33 by bolts. After the four blades are welded together to form a frame shape, the side without a blade edge can be fixedly mounted on the base block by welding. The rotating disk 33 is provided with a mounting groove in which the base block can be embedded for installation and a bolt hole that cooperates with the bolt. The transverse blade 341 and the longitudinal blade 342 are detachably mounted on the rotating disk 33 by embedding the base block in the mounting groove and by the bolts cooperating with the bolt holes. When the transverse blade 341 and the longitudinal blade 342 are deformed or need to be replaced, they can be replaced by removing the bolts, which is efficient and quick.

[0046] The base 1 is fixedly provided with a first lifting drive device 11 and a second lifting drive device 12 symmetrically arranged on the front and rear sides of the supporting base 2, and a first connecting plate 41 and a second connecting plate 42 are fixedly provided on the positioning groove plate 4; screw holes are provided on the lifting ends of the first lifting drive device 11 and the second lifting drive device 12, and are also equipped with a first bolt block 111 and a second bolt block 121 that respectively form threaded cooperation with the screw holes on the lifting ends of the first lifting drive device 11 and the second lifting drive device 12, and the first connecting plate 41 and the second connecting plate 42 are respectively provided with through holes for the first bolt block 111 and the second bolt block 121 to pass through; the first connecting plate 41 is detachably fixedly provided on the lifting end of the first lifting drive device 11 through the threaded cooperation formed by the first bolt block 111 passing through the through hole on the first connecting plate 41 and the screw hole on the lifting end of the first lifting drive device 11, and the second connecting plate 42 is detachably fixedly provided on the lifting end of the second lifting drive device 12 through the threaded cooperation formed by the second bolt block 121 passing through the through hole on the second connecting plate 42 and the screw hole on the lifting end of the second lifting drive device 12.

[0047] The first connecting plate 41 is located between the first bolt block 111 and the driving end of the first driving device 6 , and the second connecting plate 42 is located between the second bolt block 121 and the driving end of the second driving device 7 .

[0048] The upper end of the supporting base 2 is provided with a storage groove 8 extending toward the inside of the supporting base 2, and the notch of the storage groove 8 is located directly below each through groove group 5; the outer side wall of the supporting base 2 is provided with a material removal port 21 connected with the storage groove 8; a guide block 81 is fixedly provided in the storage groove 8, and the guide block 81 is provided with a guide slope 811 for guiding the cut sample to slide to the material removal port 21, the upper end of the guide slope 811 is arranged toward the notch of the storage groove 8, and the lower end of the guide slope 811 is arranged toward the material removal port 21.

[0049] A negative pressure chamber 812 is provided inside the guide block 81, and a plurality of negative pressure holes 8111 extending along the guiding direction of the guide slope 811 and connected to the negative pressure chamber 812 are provided on the guide slope 811. A vacuum device 8121 for vacuuming the negative pressure chamber 812 is also fixedly provided inside the negative pressure chamber 812, and a vacuum connecting pipe is fixedly provided on the vacuum end of the vacuum device 8121, and a plurality of vacuum holes arranged toward each guide slope 811 are connected on the vacuum connecting pipe.

[0050] Similarly, the guide block 81 in the storage groove 8 can be replaced with a transmission belt, and the cut sample will stay on the transmission belt. By stopping and rotating the transmission belt, the sample on the transmission belt will be transported from the storage groove 8 to the material taking port 21. The material taking port 21 may be provided with a guide portion for guiding the sample to slide out.

[0051] A plurality of fixed columns 82 evenly distributed along the edge of the storage groove 8 are fixedly provided at the groove opening of the storage groove 8, and a lifting plate 83 is also provided. The four sides of the lifting plate 83 are fixedly connected with each fixed column 82 on one side facing the storage groove 8; a passage is penetrated in the middle of the lifting plate 83 for each blade group 34 to pass through, and the lifting plate 83 is located between the supporting base 2 and the positioning groove plate 4.

[0052] The lifting plate 83 is inside the cutting space, and the passage corresponds to the notch of the storage slot 8 in the supporting base 2, and the wrapping range of the notch of the storage slot 8 is larger than the wrapping range of the passage.

[0053] A winding assembly 9 is also provided on the base 1, and the winding assembly 9 includes a first mounting plate 91 and a second mounting plate 92 fixedly arranged on the left and right sides of the base 1 respectively, and a first roller 911 and a second roller 921 rotatably arranged on the first mounting plate 91 and the second mounting plate 92 respectively, and rotating support plates are symmetrically provided on the first mounting plate 91 and the second mounting plate 92; the two ends of the first roller 911 are respectively rotatably arranged on the two rotating support plates on the first mounting plate 91, and the two ends of the second roller 921 are respectively rotatably arranged on the two rotating support plates on the second mounting plate 92.

[0054] A clamping block 10 for clamping the edge of the sample is fixedly disposed on the first roller 911 and the second roller 921 . The clamping block 10 is provided with a clamping opening 101 , one end of which is connected to the outside and extends along the extension direction of the first roller 911 or the second roller 921 .

[0055] The clamping block 10 extends from one end of the first roller 911 or the second roller 921 to the other end along the extending direction of the first roller 911 or the second roller 921 .

[0056] One end of the first roller 911 and the second roller 921 located on the same side respectively passes through the rotating support plate on the first mounting plate 91 and the rotating support plate of the second mounting plate 92, and a driving handle 93 is fixedly connected to one end of the first roller 911 passing through the rotating support plate on the first mounting plate 91 and one end of the second roller 921 passing through the rotating support plate of the second mounting plate 92.

[0057] The working principle of the present invention is as follows: first, one side of the film to be cut is clamped into the clamping opening 101 of the clamping block 10 on the first roller 911 or the second roller 921, and the driving handle 93 on the roller where the clamping block 10 where the film is clamped is located is rotated to roll the film on it;

[0058] Next, the lifting ends of the first lifting drive device 11 and the second lifting drive device 12 are lifted to the highest position, and the first bolt block 111 and the second bolt block 121 are removed from the driving end of the first lifting drive device 11 and the lifting end of the second lifting drive device 12, respectively, so as to remove the positioning slot plate 4;

[0059] Next, the other side of the film is pulled out from the rolled roller, and the pulled film passes over the lifting plate 83 and is clamped on the clamping block 10 in the roller on the other side;

[0060] Next, the first bolt block 111 and the second bolt block 121 are fixed to the lifting ends of the first lifting drive device 11 and the second lifting drive device 12 after passing through the corresponding through holes on the first connecting plate 41 and the second connecting plate 42. At this time, the positioning slot plate 4 can be lowered as the lifting ends of the first lifting drive device 11 and the second lifting drive device 12 are lowered, and the film is fixed. The film is located between the lifting plate 83 and the positioning slot plate 4;

[0061] Next, the second driving device 7 drives the rotating disk 33 to rotate, and rotates the required blade group 34 to the position just above the through slot group 5 on the positioning slot plate 4;

[0062] Next, the first driving device 6 drives the mounting platform 32 to descend, thereby driving the blade group 34 to descend. After the blade group 34 descends, the transverse blade 341 or the longitudinal blade 342 is plugged into the corresponding transverse groove 511 or the longitudinal groove 512 to cut the film. At this time, the air extraction device 8121 in the negative pressure chamber 812 extracts air, and the cut sample is adsorbed on the guide slope 811 of the guide block 81 under the action of the air extraction.

[0063] Next, after the cutting is completed, the air extraction is stopped, and the sample adsorbed on the guide slope 811 loses adsorption and slides along the guide slope 811 to the material taking port 21;

[0064] Finally, if cutting in different directions is required, the first drive device 6 drives the mounting table 32 to rise, the second drive device 7 drives the rotating disk 33 to rotate, selects the cutter head in another direction, and then drives the mounting table 32 to descend through the first drive device 6 for cutting.

[0065] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air energy air column film tensile test sampling device, comprising a base (1); characterized in that: The base (1) is fixedly provided with a supporting base (2) for supporting the sample and a cutting assembly (3) for cutting and sampling the sample, the cutting assembly (3) comprising a lifting seat (31) fixedly arranged on the base (1), a mounting table (32) lifting and slidingly arranged on the lifting seat (31) and capable of sliding toward the supporting base (2), a rotating disk (33) rotatably arranged on a side of the mounting table (32) facing the supporting base (2), and a plurality of blade groups (34) fixedly arranged on the rotating disk (33) with the rotating axis of the rotating disk (33) as the central circumference and capable of rotating to the position directly above the positioning slot plate (4) as the rotating disk (33) rotates; the base ( The lifting seat (31) is also provided with a positioning slot plate (4) which is located between the blade and the supporting base (2), and a cutting space is formed between the positioning slot plate (4) and the supporting base (2) for the air column film to pass through for cutting; the positioning slot plate (4) is provided with a plurality of through slot groups (5) which correspond one-to-one with the blades in the blade group (34) which can rotate to the top of the positioning slot plate (4) as the rotating disk (33) rotates; the lifting seat (31) is fixedly provided with a first driving device (6) for driving the mounting platform (32) to lift and slide, and the mounting platform (32) is fixedly provided with a second driving device (7) for driving the rotating disk (33) to rotate.

2. The air energy air column film tensile test sampling device according to claim 1 is characterized in that: The blade assembly (34) comprises a transverse blade (341) for performing transverse rectangular cutting and a longitudinal blade (342) for performing longitudinal rectangular cutting. The transverse blades (341) are provided with a plurality of blades and are radially distributed outward from the center of the rotating disk (33). The transverse blades (341) are provided with a plurality of blades and are radially distributed outward from the center of the rotating disk (33). The through groove assembly (5) comprises a plurality of cross through grooves (51) that can form a plug-in fit with the transverse blades (341) and the longitudinal blades (342). The cross through grooves (51) include a plurality of cross through grooves (51) that can form a plug-in fit with the transverse blades (341). The invention relates to a cross-shaped cutting tool (510) and a longitudinal cutting tool (511) which can form a plug-in fit with a longitudinal cutting tool (342); the cross-shaped cutting tool (510) and the longitudinal cutting tool (512) are connected to each other, and the number of the cross-shaped cutting tools (510) is the same as the largest number of the cross-shaped cutting tools (341) and the longitudinal cutting tools (342); and an avoidance space (a) is formed between the cross-shaped cutting tool (341) and the longitudinal cutting tool (342) for cutting and avoiding when the cross-shaped cutting tool (341) and the cross-shaped cutting tool (511) form a plug-in fit or the longitudinal cutting tool (342) and the longitudinal cutting tool (512) form a plug-in fit.

3. The air energy air column film tensile test sampling device according to claim 2 is characterized in that: The blades of the transverse knife (341) and the longitudinal knife (342) are both provided with blades (343) for piercing, and the cross-sections of the blades of the transverse knife (341) and the longitudinal knife (342) are both closed rectangles, the long side length of the blade of the transverse knife (341) is less than or greater than the long side length of the blade of the longitudinal knife (342), and the short side length of the blade of the transverse knife (341) is less than or greater than the short side length of the blade of the longitudinal knife (342).

4. The air energy air column film tensile test sampling device according to claim 1 is characterized in that: The base (1) is fixedly provided with a first lifting drive device (11) and a second lifting drive device (12) symmetrically arranged on the front and rear sides of the supporting base (2); the positioning slot plate (4) is fixedly provided with a first connecting plate (41) and a second connecting plate (42); screw holes are provided on the lifting ends of the first lifting drive device (11) and the second lifting drive device (12); a first bolt block (111) and a second bolt block (121) are also provided which respectively form threaded engagement with the screw holes on the lifting ends of the first lifting drive device (11) and the second lifting drive device (12); and screw holes are provided on the first connecting plate (41) and the second connecting plate (42). A through hole is provided for the first bolt block (111) and the second bolt block (121) to pass through; the first connecting plate (41) is detachably fixed to the lifting end of the first lifting drive device (11) by means of a thread formed by the first bolt block (111) passing through the through hole on the first connecting plate (41) and the screw hole on the lifting end of the first lifting drive device (11); the second connecting plate (42) is detachably fixed to the lifting end of the second lifting drive device (12) by means of a thread formed by the second bolt block (121) passing through the through hole on the second connecting plate (42) and the screw hole on the lifting end of the second lifting drive device (12).

5. The air energy air column film tensile test sampling device according to claim 1, characterized in that: The upper end of the supporting base (2) is provided with a receiving groove (8) extending toward the inside of the supporting base (2), and the notch of the receiving groove (8) is located directly below each through groove group (5); the outer side wall of the supporting base (2) is provided with a material taking port (21) connected with the receiving groove (8); a guide block (81) is fixedly provided in the receiving groove (8), and the guide block (81) is provided with a guiding inclined surface (811) for guiding the cut sample to slide to the material taking port (21), the upper end of the guiding inclined surface (811) is arranged toward the notch of the receiving groove (8), and the lower end of the guiding inclined surface (811) is arranged toward the material taking port (21).

6. The air energy air column film tensile test sampling device according to claim 5, characterized in that: A negative pressure chamber (812) is provided inside the guide block (81), and a plurality of negative pressure holes (8111) extending along the guiding direction of the guide slope (811) and communicating with the negative pressure chamber (812) are provided on the guide slope (811). A suction device (8121) for evacuating air from the negative pressure chamber (812) is also fixedly provided inside the negative pressure chamber (812), and a suction connecting pipe is fixedly provided on the suction end of the suction device (8121), and a plurality of suction holes arranged toward the guide slope (811) are connected on the suction connecting pipe.

7. The air energy air column film tensile test sampling device according to claim 5, characterized in that: A plurality of fixed columns (82) are fixedly provided at the slot opening of the storage slot (8) and are evenly distributed along the slot edge direction of the storage slot (8). A lifting plate (83) is also provided. The four sides of the lifting plate (83) are fixedly connected with the fixing columns (82) on one side facing the storage slot (8). A passage is penetrated through the middle of the lifting plate (83) for each blade group (34) to pass through. The lifting plate (83) is located between the supporting base (2) and the positioning slot plate (4).

8. The air energy air column film tensile test sampling device according to claim 1, characterized in that: The base (1) is also provided with a winding assembly (9), which comprises a first mounting plate (91) and a second mounting plate (92) respectively fixedly arranged on the left and right sides of the base (1), and a first roller (911) and a second roller (921) respectively rotatably arranged on the first mounting plate (91) and the second mounting plate (92), wherein the first mounting plate (91) and the second mounting plate (92) are both symmetrically provided with rotating support plates; the two ends of the first roller (911) are respectively rotatably arranged on the two rotating support plates on the first mounting plate (91), and the two ends of the second roller (921) are respectively rotatably arranged on the two rotating support plates on the second mounting plate (92).

9. The air energy air column film tensile test sampling device according to claim 8, characterized in that: A clamping block (10) for clamping the edge of a sample is fixedly provided on the first roller (911) and the second roller (921), and a clamping opening (101) is provided on the clamping block (10), one end of which is connected to the outside and extends along the extension direction of the first roller (911) or the second roller (921).

10. The air energy air column film tensile test sampling device according to claim 8, characterized in that: One end of the first roller (911) and the second roller (921) located on the same side respectively passes through the rotation support plate on the first mounting plate (91) and the rotation support plate of the second mounting plate (92); a driving handle (93) is fixedly connected to one end of the first roller (911) passing through the rotation support plate on the first mounting plate (91) and one end of the second roller (921) passing through the rotation support plate of the second mounting plate (92).

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