CN115979914B - Device and method for testing air permeability of tuning paper - Google Patents
Device and method for testing air permeability of tuning paper Download PDFInfo
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- CN115979914B CN115979914B CN202310025372.9A CN202310025372A CN115979914B CN 115979914 B CN115979914 B CN 115979914B CN 202310025372 A CN202310025372 A CN 202310025372A CN 115979914 B CN115979914 B CN 115979914B
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Abstract
The invention relates to the technical field of tuning paper testing, and discloses a tuning paper air permeability testing device, which comprises a table top, wherein concave upright posts are fixedly connected to four corners of the lower surface of the table top, hollow posts are slidably connected to the inside of the concave upright posts, a vertical plate is fixedly connected to the rear left side of the upper surface of the table top, a top plate is fixedly connected to the upper part of the front surface of the vertical plate, an electric push rod is fixedly connected to the lower surface of the top plate, and a round shell is fixedly connected to the output end of the electric push rod; when the device detects, the circle shell gradually moves downwards to be close to tuning paper, and the rectangular shell can be tightly pressed on the upper surface of the tuning paper, so that the ventilation degree of the tuning paper can be detected by injecting air into the detection head, when the detected ventilation property meets the set value in the detection box, the output shaft of the small electric push rod contracts, the two sleeves are gradually far away, the second connecting rod can be driven to horizontally move through the first third connecting rod, and then the tuning paper support clamped in the clamping block falls.
Description
Technical Field
The invention relates to the technical field of tone tuning paper testing, in particular to a device and a method for testing air permeability of tone tuning paper.
Background
The tone tuning paper has the advantages of uniform density, average ventilation hole density, excellent thickness consistency and good waterproof effect. The tone tuning paper has damping effect on sound waves, has very effective effect on simulating sound spike waves and improving sound frequency characteristics, is suitable for electroacoustic products such as microphones, loudspeakers, microphones and the like to be used as tone tuning application, and can improve audio characteristics. However, the air permeability test, which is the most critical detection index for quality control of the tone tuning paper, has been a concern, and thus, devices for testing air permeability of tone tuning paper are on the market.
Traditional tuning paper permeability testing arrangement operation is inconvenient to, only can be to tuning paper ventilation test, the functionality is low, and then designed tuning paper air permeability testing arrangement and test method, can make device convenient operation, can separate for disk-shaped tuning paper for whole big tuning paper and use on electroacoustic product.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a device and a method for testing the air permeability of tuning paper, and solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a tuning paper air permeability testing arrangement, includes the mesa, four corners of the lower surface of mesa fixedly connected with spill stand, the inside sliding connection of spill stand has the cavity post, the upper surface left side rear fixedly connected with riser of mesa, the front surface top fixedly connected with roof of riser, the lower surface fixedly connected with electric putter of roof, electric putter's output fixedly connected with circle shell, the inside upper surface fixedly connected with small-size electric putter of circle shell, the lateral wall fixedly connected with rectangular shell of small-size electric putter, square hole is seted up to the left and right sides of rectangular shell, the output fixedly connected with stock, the lower surface middle part fixedly connected with closely sensor of stock, the outside left and right sides sliding connection sleeve of stock, the front surface rotation of sleeve is connected with the head rod, the rear surface rotation of sleeve is connected with the third connecting rod, the output fixedly connected with circle shell of rod, the inside upper surface fixedly connected with small-size electric putter's of circle shell, the lateral wall fixedly connected with square hole is seted up to the left and right sides of square hole, the L of side connecting rod, the side rod is connected with the side bottom of L connecting rod, the side connecting rod is connected with the side of L connecting rod, the L connecting rod fixedly connected with the inside sliding connection of L connecting rod, the front surface of the L pole is rotationally connected with a second connecting bar, the second connecting bar and the front surface of the first connecting bar are rotationally connected with a movable plate, the middle part of the rear surface of the second connecting bar is rotationally connected with a third connecting bar, the other end of the third connecting bar is rotationally connected with the rectangular shell, the bottom end of the movable plate is fixedly connected with a cylindrical pole, the cylindrical poles are totally two, two bottom ends of the cylindrical pole are fixedly connected with a knife cylinder, the left side of the upper surface of the table top is close to the front part of the vertical plate and is fixedly connected with a detection head, the left side of the detection head is communicated with an air outlet pipe, the right side of the detection head is communicated with an air inlet pipe, the right side of the upper surface of the table top is fixedly connected with a support plate, the upper side of the front surface of the support plate is fixedly connected with a pneumatic regulator, the left side of the pneumatic regulator is communicated with one end of the air outlet pipe, the front side of the pneumatic regulator is provided with a long groove, the front right side of the upper surface of the table top is internally provided with a small electric push rod, the front side of the rotary support bar is fixedly connected with a small rotary disc, the rotary disc is fixedly connected with the inner side of the rotary disc, the rotary disc is fixedly connected with the rotary disc, and the rotary disc is fixedly connected with the rotary disc, and one side of the upper surface of the moving plate is fixedly connected with a side plate.
Preferably, round holes are formed in the left side and the right side of the outer side wall of the rectangular shell, and a wafer is connected in the round holes in a rotating mode through a rotating shaft.
Preferably, a bottom plate is fixedly connected between the inner wall of the round shell and the outer wall of the rectangular shell.
Preferably, the movable plate is in contact with the inner side wall of the rectangular shell, the movable plate is in sliding connection with the rectangular shell, the cutter cylinder is located below the tuning paper support, and the cutter cylinder is in sliding connection with the rectangular shell.
Preferably, tuning paper is placed on the upper surface of the detection head, and the tuning paper and the circular shell are distributed up and down relatively.
Preferably, the inside of spill stand is equipped with the hollow post, the top fixedly connected with rectangle piece of cavity post, the inside sliding connection of cavity post has the round bar, the top of round bar runs through to the top of rectangle piece, just the top of round bar with the lower surface of mesa is fixed mutually, long logical groove is seted up in the left side of spill stand, the inside recess is close to the front and back both sides of long logical groove are seted up to the inside recess, the inside fixedly connected with electromagnetic sheet of recess, one side magnetism of electromagnetic sheet has the metal concave piece, the inside sliding connection of metal concave piece has the slider, two fixedly connected with blend stop between the slider, one side fixedly connected with handle of blend stop, the opposite side laminating of blend stop in the upper surface of rectangle piece, blend stop with rectangle piece sliding connection.
Preferably, a supporting rod is fixedly connected between the two hollow columns which are opposite left and right.
Preferably, the upper surface of the air pressure regulator is rotationally connected with an air pressure regulating valve and an air pressure micro-regulating valve, the front surface of the detection box body is rotationally connected with an air pressure value calibration knob, the front surface of the detection box body is embedded with a display screen, and the right side of the front surface of the detection box body is provided with a switch.
The air permeability test method of the tuning paper comprises the following operation steps:
s1, opening the switch, and setting an air pressure value in a working state through the air pressure regulating valve and the air pressure micro-regulating valve;
s2, placing the tuning paper on the upper surface of the detection head, and placing the viscose at the bottom of the tuning paper support into the rectangular shell, wherein the tuning paper support is clamped between the two clamping blocks;
s3, the output end of the electric push rod runs downwards, the rectangular shell is tightly pressed on the upper surface of the tuning paper, the air pressure regulator is used for introducing air into the detection head through the air inlet pipe, the air is blown to the lower surface of the tuning paper, some air penetrates through the tuning paper, and some air flows out from the air outlet pipe;
s4, displaying the air permeability value of the tuning paper covered on the lower part of the rectangular shell on the display screen;
s5, when the air permeability value meets the set requirement in the detection box body, the small electric push rod operates, the two clamping blocks are gradually far away, meanwhile, the L rod horizontally slides in the sliding rail, the cutter barrel slides downwards, a whole piece of tuning paper is cut into disc tuning paper, the tuning paper support falls off and falls on the cut disc tuning paper, and the tuning paper support and the disc tuning paper are adhered together;
s6, the output shaft of the electric push rod is contracted upwards, and a worker can take down the tuning paper support on the detection head;
s7, moving the tuning paper to a plurality of positions, continuously placing the tuning paper on the detection head, continuously testing the air permeability of the remaining part of the tuning paper, and realizing the air permeability test of the tuning paper, and the assembly of the disc tuning paper and the tuning paper support.
Preferably, a moving plate is arranged above the long groove and attached to the upper surface of the table top, and the moving plate is in sliding connection with the table top.
(III) beneficial effects
The invention provides a device and a method for testing the air permeability of tuning paper, which have the following beneficial effects:
(1) According to the invention, through arranging the structural elements such as the round shell, the rectangular shell, the sleeve, the long rod, the first connecting rod, the second connecting rod, the square hole, the branch strip, the clamping block, the L rod, the cylindrical rod, the movable plate, the cutter barrel, the vertical rod, the sliding rail, the tuning paper support, the proximity sensor and the like, when the device is detected, the round shell gradually moves downwards to be close to the tuning paper, the rectangular shell can be tightly pressed on the upper surface of the tuning paper, the ventilation degree of the tuning paper can be detected by injecting air into the detection head, when the detected ventilation degree accords with a set value in the detection box, the output shaft of the small electric push rod is contracted, the two sleeves are gradually far away, the first connecting rod and the third connecting rod can drive the second connecting rod to horizontally move, and then the tuning paper support clamped in the clamping block falls down, and simultaneously, when the two clamping blocks move, the L rod moves downwards to the side wall of the rectangular shell, the movable plate moves downwards to cut the whole piece of tuning paper, the disc support and the tuning paper are stuck together, the tuning paper can be used in one step, the tedious work can be completed, and the machine is convenient to cut and set after the machine is used, and the machine is convenient to set.
(2) According to the invention, the concave upright post, the handle, the barrier strip, the rectangular block, the hollow column, the round bar, the electromagnetic sheet, the long through groove, the sliding block, the metal concave block and other structural elements are arranged, a worker holds the handle to slide outwards, the worker can hold the table top to move upwards, the round bar slides upwards in the hollow column, the concave upright post also slides upwards, the worker holds the handle to move in the vertical direction by disconnecting the electromagnetic sheet from the metal concave block, the position of the metal concave block can be adjusted, the barrier strip moves along with the movement, when the electromagnetic sheet is electrified, the bottom end of the barrier strip is contacted with the upper surface of the rectangular block when the hand of the user loosens the table top, the concave upright post can be prevented from moving downwards, the height of the testing device can be adjusted, and the use of the worker is convenient.
(3) According to the invention, by arranging structural elements such as a table top, side plates, moving plates, a long groove body, a fixed block, a small electric push rod, support bars, a rotating disc, a vertical cylinder, a long groove, a circular shaft and the like, the two moving plates are provided with the detection box bodies, the side plates clamp the two side surfaces of the detection box bodies, the detection box bodies can be prevented from moving when being operated, when the detection box bodies are required to be maintained later, a worker can start the small electric push rod, the small electric push rod operates, and the left cylinder body of the small electric push rod moves in the long groove due to the fixing of the vertical cylinder, so that the left moving plate moves leftwards, the left support bars pull the rotating disc to rotate, and then the right moving plate moves rightwards, so that the two moving plates are gradually far away, the detection box bodies can be taken out, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the round shell according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of the present invention at A;
FIG. 5 is a schematic view of a left-hand cross-sectional structure of the female upright of FIG. 1 in accordance with the present invention;
FIG. 6 is an enlarged schematic view of the structure of the present invention at B;
FIG. 7 is a schematic view of the enlarged partial structure of FIG. 2 according to the present invention;
fig. 8 is a schematic diagram of a cross-sectional connection structure of two movable plates according to the present invention.
In the figure: 1. a concave upright; 2. a support rod; 3. a handle; 4. an air outlet pipe; 5. a detection head; 6. tuning paper; 7. a vertical plate; 8. a top plate; 9. an electric push rod; 10. a round shell; 11. an air inlet pipe; 12. a table top; 13. a barometric pressure calibration knob; 14. a display screen; 15. a gas pressure regulator; 16. an air pressure micro-regulating valve; 17. a support plate; 18. a switch; 19. detecting a box body; 20. a barrier strip; 21. rectangular blocks; 22. a hollow column; 23. a round bar; 24. a small-sized electric push rod; 25. a rectangular shell; 26. a sleeve; 27. a long rod; 28. a first connecting rod; 29. a second connecting rod; 30. square holes; 31. a supporting strip; 32. clamping blocks; 33. a third connecting rod; 34. a cutter cylinder; 35. a tuning paper support; 36. a bottom plate; 37. a wafer; 38. a round hole; 39. a proximity sensor; 40. a first connecting bar; 41. a vertical rod; 42. a slide rail; 43. an L-shaped rod; 44. a second connecting bar; 45. a third connecting bar; 46. a movable plate; 47. a cylindrical rod; 48. a slide block; 49. a metal concave block; 50. an electro-magnetic sheet; 51. a long through groove; 52. a groove; 53. a side plate; 54. a moving plate; 55. a long groove body; 56. a fixed block; 57. a small-sized electric push rod; 58. a support bar; 59. a rotating disc; 60. a vertical cylinder; 61. a long groove; 62. and a circular shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-8, the present invention provides a technical solution: the air permeability testing device for tuning paper comprises a table top 12, a concave upright post 1 is fixedly connected at four corners of the lower surface of the table top 12, a hollow post 22 is fixedly connected inside the concave upright post 1, a vertical plate 7 is fixedly connected at the rear of the left side of the upper surface of the table top 12, a top plate 8 is fixedly connected above the front surface of the vertical plate 7, an electric push rod 9 is fixedly connected with the lower surface of the top plate 8, the output end of the electric push rod 9 is fixedly connected with a round shell 10, a small electric push rod 24 is fixedly connected with the upper surface of the inside of the round shell 10, a rectangular shell 25 is fixedly connected with the outer side wall of the small electric push rod 24, square holes 30 are formed in the left side and the right side of the rectangular shell 25, a long rod 27 is fixedly connected with the output end of the small electric push rod 24, a short-distance sensor 39 is fixedly connected in the middle of the lower surface of the long rod 27, a sleeve 26 is fixedly connected at the left side and the outside of the long rod 27, the front surface of the sleeve 26 is rotationally connected with a first connecting rod 28, the rear surface of the sleeve 26 is rotationally connected with a third connecting rod 33, a second connecting rod 29 is rotationally connected between the lower part of the front surface of the third connecting rod 33 and the lower part of the rear surface of the first connecting rod 28, one end of the second connecting rod 29 penetrates into the square hole 30, the second connecting rod 29 is in sliding connection with the square hole 30, the lower surface of the second connecting rod 29 is fixedly connected with a supporting strip 31, the bottom end of the supporting strip 31 is fixedly connected with a clamping block 32, a tuning paper support 35 is placed between the two clamping blocks 32 distributed left and right, the lower surface of the clamping block 32 is fixedly connected with an L rod 43, the rear part of the outer side wall of the L rod 43 is in sliding connection with a sliding rail 42, one end of the sliding rail 42 is fixed on the inner side wall of the rectangular shell 25, the front part of the lower surface of the L rod 43 is fixedly connected with a vertical rod 41, the lower part of the front surface of the vertical rod 41 is rotationally connected with a first connecting strip 40, the front surface of the L-shaped rod 43 is rotationally connected with a second connecting strip 44, the front surfaces of the second connecting strip 44 and the first connecting strip 40 are rotationally connected with a movable plate 46, the middle part of the rear surface of the second connecting strip 44 is rotationally connected with a third connecting strip 45, the other end of the third connecting strip 45 is rotationally connected with a rectangular shell 25, the bottom ends of the movable plate 46 are fixedly connected with cylindrical rods 47, the cylindrical rods 47 are totally two, the bottom ends of the two cylindrical rods 47 are fixedly connected with a cutter cylinder 34, the front part of the upper surface left side of the table top 12, which is close to the vertical plate 7, is fixedly connected with a detection head 5, the left side of the detection head 5 is communicated with an air outlet pipe 4, the right side of the detection head 5 is communicated with an air inlet pipe 11, the right side of the upper surface of the table top 12 is fixedly connected with a supporting plate 17, the upper part of the front surface of the supporting plate 17 is fixedly connected with an air pressure regulator 15, the left side of the air pressure regulator 15 is communicated with one end of the air outlet pipe 4, the other side of the air pressure regulator 15 is communicated with the air inlet pipe 11, a long groove 61 is formed in front of the right side of the upper surface of the table top 12, a small electric push rod 57 is placed in the long groove 61, the output end of the small electric push rod 57 is fixedly connected with a vertical cylinder 60, the vertical cylinder 60 is fixed on the inner lower surface of the long groove 61, the inner side wall of the vertical cylinder 60 is rotationally connected with a circular shaft 62, a rotating disc 59 is rotationally connected above the outer side wall of the circular shaft 62, the front side and the rear side of the upper surface of the rotating disc 59 are rotationally connected with supporting bars 58, one side of the outer side wall of the supporting bars 58 is rotationally connected with a movable plate 54, a long groove 55 is integrally formed in the movable plate 54, a fixed block 56 is fixedly connected with the lower surface of the movable plate 54 at the left side, the bottom ends of the fixed blocks 56 are fixed on the left side of the upper surface of the small electric push rod 57, the upper surfaces of the two movable plates 54 are placed with a detection box 19, the upper surface one side fixedly connected with curb plate 53 of movable plate 54 places the detection box 19 on two movable plates 54, and the curb plate 53 presss from both sides of detection box 19, can avoid its removal when the operation detects box 19, and when detecting box 19 follow-up needs maintenance, the staff can start small-size electric putter 57, and small-size electric putter 57 operates, because the upright tube 60 is fixed, and then small-size electric putter 57 left side cylinder body can remove in long recess 61 for left movable plate 54 moves left, and left support bar 58 pulling rolling disc rotates, and then right movable plate 54 moves right, realizes that two movable plates 54 keep away from gradually, can take out detection box 19, easy operation is convenient.
Further, round holes 38 are formed in the left side and the right side of the outer side wall of the rectangular shell 25, a circular disc 37 is connected to the inside of the round holes 38 through rotation of a rotating shaft, the air pressure regulator 15 inflates the detection head 5, part of air penetrates through the tuning paper 6 pressed down by the rectangular shell 25, and the air can come out of the round holes 38 to avoid unbalanced internal and external pressure.
Further, a bottom plate 36 is fixedly connected between the inner wall of the round shell 10 and the outer wall of the rectangular shell 25, and the bottom plate 36 is made of breathable materials.
Further, the movable plate 46 is in contact with the inner side wall of the rectangular casing 25, the movable plate 46 is slidably connected with the rectangular casing 25, the cutter drum 34 is located below the tuning paper support 35, and the cutter drum 34 is slidably connected with the rectangular casing 25, as shown in fig. 4, and moves to the left side on the L rod 43, and the movable plate 46 moves in the vertical direction through one-step transmission.
Further, the tuning paper 6 is placed on the upper surface of the detecting head 5, the tuning paper 6 and the round shell 10 are distributed up and down relatively, as shown in fig. 1, the tuning paper 6 is a whole piece, not a small piece of tuning paper on an earphone, and a plurality of disc tuning papers can be cut out by one piece of tuning paper 6.
Further, a hollow column 22 is arranged in the concave upright column 1, a rectangular block 21 is fixedly connected to the top end of the hollow column 22, a round rod 23 is connected to the inside of the hollow column 22 in a sliding manner, the top end of the round rod 23 penetrates through the upper portion of the rectangular block 21, the top end of the round rod 23 is fixed to the lower surface of the table top 12, a long through groove 51 is formed in the left side of the concave upright column 1, grooves 52 are formed in the concave upright column 1 and are close to the front side and the rear side of the long through groove 51, an electromagnetic sheet 50 is fixedly connected to the inside of the grooves 52, a metal concave block 49 is magnetically attracted to one side of the electromagnetic sheet 50, a sliding block 48 is connected to the inside of the metal concave block 49 in a sliding manner, a barrier 20 is fixedly connected to a handle 3 between the two sliding blocks 48, the other side of the barrier 20 is attached to the upper surface of the rectangular block 21, the barrier 20 is in sliding connection with the rectangular block 21, and when a worker holds the handle 3 to move in the horizontal direction, the barrier 20 can slide in the metal concave block 49; when the power is off between the electromagnetic sheet 50 and the metal concave block 49, a worker holds the handle 3 to move in the vertical direction, and the metal concave block 49 slides on the side surface of the electromagnetic sheet 50.
Further, a supporting rod 2 is fixedly connected between the two hollow columns 22 opposite from left to right, and the supporting rod 2 is used for improving the stability between the two hollow columns 22.
Further, the upper surface of the air pressure regulator 15 is rotatably connected with an air pressure regulating valve and an air pressure micro regulating valve 16, the front surface of the detection box 19 is rotatably connected with an air pressure value calibration knob 13, the front surface of the detection box 19 is embedded with a display screen 14, and the right side of the front surface of the detection box 19 is provided with a switch 18.
The air permeability test method of the tuning paper comprises the following operation steps:
s1, opening a switch 18, and setting an air pressure value in an operating state through an air pressure regulating valve and an air pressure micro-regulating valve 16;
s2, placing tuning paper 6 on the upper surface of the detection head 5, sticking glue at the bottom of a tuning paper support 35, placing the tuning paper into a rectangular shell 25, detecting that an object is placed in a short-distance sensor 39, extending an output shaft of a small electric push rod 24, and clamping two clamping blocks 32 close to the tuning paper support 35, wherein the tuning paper support 35 is a substrate for mounting tuning paper in an electroacoustic product;
s3, the output end of the electric push rod 9 runs downwards, the rectangular shell 25 is tightly pressed on the upper surface of the tuning paper 6, the air pressure regulator 15 is used for introducing air into the detection head 5 through the air inlet pipe 11, the air is blown to the lower surface of the tuning paper 6, some air penetrates through the tuning paper 6, and some air flows out from the air outlet pipe 4;
s4, displaying the air permeability value of the tuning paper 6 covered on the lower part of the rectangular shell 25 on the display screen 14;
s5, when the air permeability value meets the requirement set in the detection box 19, the small electric push rod 24 runs, the two clamping blocks 32 are gradually far away, meanwhile, the L rod 43 horizontally slides in the sliding rail 42, the cutter barrel 34 downwardly slides, a whole piece of tuning paper 6 is cut into disc tuning paper, the tuning paper support 35 falls off and falls on the cut disc tuning paper, and the tuning paper support 35 and the disc tuning paper are adhered together;
s6, the output shaft of the electric push rod 9 is contracted upwards, and a worker can take down the tuning paper support 35 on the detection head 5;
s7, moving the tone tuning paper 6 to a plurality of positions, continuously placing the tone tuning paper on the detection head 5, continuously testing the air permeability of the rest part of the tone tuning paper 6, and realizing the air permeability test of the whole tone tuning paper 6 and the assembly of the disc tone tuning paper and the tone tuning paper support 35.
Further, a moving plate 54 is provided above the long groove 61 attached to the upper surface of the table top 12, and the moving plate 54 is slidably connected to the table top 12.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Tuning paper air permeability testing arrangement, including mesa (12), its characterized in that: the utility model discloses a rotary electric table, which is characterized in that concave upright posts (1) are fixedly connected to four corners of the lower surface of the table top (12), hollow posts (22) are fixedly connected to the inner side of the concave upright posts (1) in a sliding manner, a vertical plate (7) is fixedly connected to the rear left side of the upper surface of the table top (12), a top plate (8) is fixedly connected to the upper part of the front surface of the vertical plate (7), an electric push rod (9) is fixedly connected to the lower surface of the top plate (8), a round shell (10) is fixedly connected to the output end of the electric push rod (9), a small electric push rod (24) is fixedly connected to the inner upper surface of the round shell (10), rectangular shells (25) are fixedly connected to the outer side walls of the small electric push rod (24), square holes (30) are formed in the left side and the right side of the rectangular shells (25), a long rod (27) is fixedly connected to the output end of the small electric push rod (24), a sensor (39) is fixedly connected to the middle part of the lower surface of the long rod (27), a sleeve (26) is fixedly connected to the left side and the outer side of the long rod (27), a sleeve (26) is fixedly connected to the front surface of the third connecting rod (28), the utility model discloses a tuning device, including a third connecting rod (33), a second connecting rod (29) and a third connecting rod (31), wherein the second connecting rod (29) is rotationally connected between the front surface below of the third connecting rod (33) and the rear surface below of the first connecting rod (28), one end of the second connecting rod (29) penetrates through the inside of the square hole (30), the second connecting rod (29) and the square hole (30) are in sliding connection, a support bar (31) is fixedly connected with the lower surface of the second connecting rod (29), a clamping block (32) is fixedly connected with the bottom of the support bar (31), a paper support (35) is placed between the two clamping blocks (32) which are distributed left and right, an L rod (43) is fixedly connected with the lower surface of the clamping block (32), a sliding rail (42) is slidingly connected with the rear side wall of the L rod (43), one end of the sliding rail (42) is fixed on the inner side wall of the rectangular shell (25), a vertical rod (41) is fixedly connected with the lower surface of the L rod (43), the front surface of the vertical rod (41) is rotationally connected with a first connecting bar (40), a second connecting bar (44) is rotationally connected with the front surface of the second connecting bar (44), a second connecting bar (44) is rotationally connected with the front surface of the tuning device, the other end of the third connecting strip (45) is rotationally connected with the rectangular shell (25), the bottom ends of the movable plates (46) are fixedly connected with cylindrical rods (47), the two cylindrical rods (47) are fixedly connected with a cutter barrel (34) at the bottom ends of the two cylindrical rods (47), a detection head (5) is fixedly connected to the front of the vertical plate (7) near the left side of the upper surface of the table top (12), an air outlet pipe (4) is communicated with the left side of the detection head (5), an air inlet pipe (11) is communicated with the right side of the detection head (5), a supporting plate (17) is fixedly connected to the right side of the upper surface of the table top (12), a pneumatic regulator (15) is fixedly connected to the upper side of the front surface of the supporting plate (17), the left side of the pneumatic regulator (15) is communicated with one end of the air outlet pipe (4), a long groove (61) is formed in the front of the right side of the upper surface of the table top (12), an electric groove (61) is formed in the front of the right side of the upper surface of the table top (12), a small-sized push rod (60) is fixedly connected to the inner side of the electric push rod (60), the utility model discloses a detection box, including a small-size electric putter, including a support bar (58), a support bar (54), a fixed block (56), a movable plate (54), a support bar (58), a support bar (54) and a fixed block (53) are connected with the inside wall rotation of a vertical section of thick bamboo (60), a circular shaft (62) is connected with the inside wall rotation of a vertical section of thick bamboo (60), the outside wall top rotation of circular shaft (62) is connected with rolling disc (59), both sides rotate around the upper surface of rolling disc (59) and are connected with support bar (58), lateral wall one side rotation of support bar (58) is connected with movable plate (54), inside integrated into one piece of movable plate (54) has elongated slot (55), is in the left lower surface fixedly connected with fixed block (56), just the bottom of fixed block (56) is fixed in the upper surface left side of small-size electric putter (57), two detection box (19) have been placed to the upper surface one side fixedly connected with curb plate (53) of movable plate (54).
2. The tuning paper air permeability test apparatus according to claim 1, wherein: round holes (38) are formed in the left side and the right side of the outer side wall of the rectangular shell (25), and round discs (37) are connected inside the round holes (38) in a rotating mode through rotating shafts.
3. The tuning paper air permeability test apparatus according to claim 1, wherein: a bottom plate (36) is fixedly connected between the inner wall of the round shell (10) and the outer wall of the rectangular shell (25).
4. The tuning paper air permeability test apparatus according to claim 1, wherein: the movable plate (46) is in contact with the inner side wall of the rectangular shell (25), the movable plate (46) is in sliding connection with the rectangular shell (25), the cutter barrel (34) is arranged below the tuning paper support (35), and the cutter barrel (34) is in sliding connection with the rectangular shell (25).
5. The tuning paper air permeability test apparatus according to claim 1, wherein: tuning paper (6) is placed on the upper surface of the detection head (5), and the tuning paper (6) and the round shell (10) are distributed up and down relatively.
6. The tuning paper air permeability test apparatus according to claim 1, wherein: the inside of spill stand (1) is equipped with hollow post (22), the top fixedly connected with rectangle piece (21) of cavity post (22), the inside sliding connection of cavity post (22) has round bar (23), the top of round bar (23) runs through to the top of rectangle piece (21), just the top of round bar (23) with the lower surface of mesa (12) is fixed mutually, long logical groove (51) are seted up in the left side of spill stand (1), the inside of spill stand (1) is close to the recess (52) are seted up to the front and back both sides of long logical groove (51), the inside fixedly connected with electromagnetic sheet (50) of recess (52), one side magnetism of electromagnetic sheet (50) is inhaled there is metal concave piece (49), the inside sliding connection of metal concave piece (49) has slider (48), two fixedly connected with blend stop (20) between slider (48), one side fixedly connected with handle (3) of blend stop (20), the opposite side (20) laminate in rectangle piece (21) on the surface of blend stop (21).
7. The tuning paper air permeability test apparatus according to claim 6, wherein: a supporting rod (2) is fixedly connected between the two hollow columns (22) which are opposite left and right.
8. The tuning paper air permeability test apparatus according to claim 5, wherein: the upper surface rotation of air pressure regulator (15) is connected with atmospheric pressure governing valve and atmospheric pressure micro-regulating valve (16), the front surface rotation of detecting box (19) is connected with atmospheric pressure value calibration knob (13), the front surface of detecting box (19) inlays and is equipped with display screen (14), switch (18) are installed on the front surface right side of detecting box (19).
9. The tuning paper air permeability test apparatus according to claim 1, wherein: a movable plate (54) is arranged above the long groove (61) attached to the upper surface of the table top (12), and the movable plate (54) is in sliding connection with the table top (12).
10. A test method using the air permeability test apparatus for tuning paper according to any one of claims 1 to 9, characterized in that: the method comprises the following operation steps:
s1, opening the switch (18), and setting an air pressure value in a working state through the air pressure regulating valve and the air pressure micro-regulating valve (16);
s2, placing the tuning paper (6) on the upper surface of the detection head (5), and placing the bottom viscose of the tuning paper support (35) into the rectangular shell (25), wherein the tuning paper support (35) is clamped between the two clamping blocks (32);
s3, the output end of the electric push rod (9) runs downwards, the rectangular shell (25) is tightly pressed on the upper surface of the tuning paper (6), the air pressure regulator (15) is used for introducing air into the detection head (5) through the air inlet pipe (11), air is blown to the lower surface of the tuning paper (6), some air penetrates through the tuning paper (6), and part of air runs out from the air outlet pipe (4);
s4, displaying the air permeability value of the tuning paper (6) covered on the lower part of the rectangular shell (25) on the display screen (14);
s5, when the air permeability value meets the set requirement in the detection box body (19), the small electric push rod (24) operates, the two clamping blocks (32) are gradually far away, meanwhile, the L rod (43) horizontally slides in the sliding rail (42), the cutter barrel (34) slides downwards, a whole piece of tuning paper (6) is cut out of the disc-tuning paper, the tuning paper support (35) falls off and falls on the cut disc-tuning paper, and the tuning paper support (35) and the disc-tuning paper are adhered together;
s6, the output shaft of the electric push rod (9) is contracted upwards, and a worker can take down the tuning paper support (35) on the detection head (5);
s7, moving the tuning paper (6) to a plurality of positions, continuously placing the tuning paper on the detection head (5), continuously testing the air permeability of the rest part of the tuning paper (6), and realizing the air permeability test of the tuning paper (6) and the assembly of the disc tuning paper and the tuning paper support (35).
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| CN202310025372.9A CN115979914B (en) | 2023-01-09 | 2023-01-09 | Device and method for testing air permeability of tuning paper |
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| CN202310025372.9A CN115979914B (en) | 2023-01-09 | 2023-01-09 | Device and method for testing air permeability of tuning paper |
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| CN115979914B true CN115979914B (en) | 2023-09-26 |
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| CN117804994A (en) * | 2023-12-28 | 2024-04-02 | 广东鼎诺科技音频有限公司 | Sheet material air permeability flow test system, method, equipment and storage medium |
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| US4730481A (en) * | 1986-04-05 | 1988-03-15 | Wurttembergische Filtztuchfabrik D. Geschmay Gmbh | Device for testing the air permeability of an article |
| CN211955138U (en) * | 2020-03-16 | 2020-11-17 | 安徽孚威电子科技有限公司 | Waterproof ventilated membrane detection device with contrast mechanism |
| CN112179830A (en) * | 2020-11-06 | 2021-01-05 | 广东得胜电子有限公司 | Device and method for testing air permeability of tone tuning paper |
| CN216386714U (en) * | 2021-10-15 | 2022-04-26 | 苏州普源纸业科技有限公司 | Glass spacer paper air permeability tester |
| CN217332090U (en) * | 2022-03-09 | 2022-08-30 | 浙江有为新材料技术有限公司 | A gas permeability detection device for wire drawing level polypropylene sack of breathing freely |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4730481A (en) * | 1986-04-05 | 1988-03-15 | Wurttembergische Filtztuchfabrik D. Geschmay Gmbh | Device for testing the air permeability of an article |
| CN211955138U (en) * | 2020-03-16 | 2020-11-17 | 安徽孚威电子科技有限公司 | Waterproof ventilated membrane detection device with contrast mechanism |
| CN112179830A (en) * | 2020-11-06 | 2021-01-05 | 广东得胜电子有限公司 | Device and method for testing air permeability of tone tuning paper |
| CN216386714U (en) * | 2021-10-15 | 2022-04-26 | 苏州普源纸业科技有限公司 | Glass spacer paper air permeability tester |
| CN217332090U (en) * | 2022-03-09 | 2022-08-30 | 浙江有为新材料技术有限公司 | A gas permeability detection device for wire drawing level polypropylene sack of breathing freely |
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