CN112986095A - Daily gauze mask gas permeability and quality detection equipment - Google Patents
Daily gauze mask gas permeability and quality detection equipment Download PDFInfo
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- CN112986095A CN112986095A CN202110208995.0A CN202110208995A CN112986095A CN 112986095 A CN112986095 A CN 112986095A CN 202110208995 A CN202110208995 A CN 202110208995A CN 112986095 A CN112986095 A CN 112986095A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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Abstract
The invention belongs to the field of daily masks, and relates to equipment for detecting air permeability and quality of a daily mask. The quality intensity detection device can rapidly detect the quality intensity of hangers and masks of daily-use masks, simulate normal use conditions, have more real detection effect, detect the air permeability of the masks, screen and classify the masks to obtain masks with standard quality, can be placed on a production line, detect each mask, improve the production quality of the masks and reduce the defective rate.
Description
Technical Field
The invention belongs to the field of daily masks, and particularly relates to a device for detecting air permeability and quality of a daily mask.
Background
The mask comprises a mask body and hangers, the mask can resist cold and wind, a respiratory system of a person is protected, impurities in too much air are prevented from being inhaled, along with the upgrading progress of the mask, the air permeability of the mask becomes an important factor influencing the sense organ of a wearer, meanwhile, the daily mask is not a disposable product, the quality of the daily mask is critical, particularly, the connection part of the hangers and the mask body is easy to break, the service life of the mask is influenced, and therefore the mask needs to be subjected to outgoing quality detection.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides daily mask air permeability and quality detection equipment which can detect the strength of a mask hanger joint and a mask body in a production process, detect the air permeability of a mask and screen the mask.
The purpose of the invention can be realized by the following technical scheme: a daily mask air permeability and quality detection device comprises a shell, wherein a working chamber is arranged in the shell, a conveying belt which is inclined backwards is arranged on the front side of the shell, a collecting port is fixedly arranged on the lower side wall of the working chamber, a mold shaft is rotatably arranged on the rear side wall of the working chamber, a spline groove is arranged on the front side of the mold shaft, a cylindrical detection mold is slidably arranged on the spline groove, a mask strength detection device is arranged on the cylindrical detection mold and used for detecting the quality strength of a mask and the quality of ear hanging connection, bilateral symmetric wind shields are fixedly arranged on the upper side wall of the working chamber, an upper fixing groove is fixedly arranged on the upper side wall of the working chamber, an air permeability detection device is arranged on the upper fixing groove and used for detecting the air permeability of the mask, a main motor is fixedly arranged on the rear side wall of the working chamber, and a transmission device is arranged on the main, the transmission device is used for controlling the motion state of the equipment.
Preferably, the mask strength detection device comprises bilaterally symmetrical curved grooves fixed on the cylindrical detection die, a hydraulic cavity is slidably arranged on each curved groove, a hydraulic cavity spring is connected between the hydraulic cavity and the lower side wall of the curved groove, a hydraulic piston is slidably arranged in each hydraulic cavity, a piston connecting rod is fixedly arranged on the hydraulic piston, a swing shaft is rotatably arranged at the rear side of the piston connecting rod, a swing wheel is fixedly arranged on the swing shaft, an upper pull rod is fixedly arranged on the swing wheel, a fixed wheel extending forwards is fixedly arranged on the rear side wall of the working cavity, the upper pull rod can be meshed with the fixed wheel, an L-shaped block is fixedly arranged on the upper pull rod, a stress block cavity is respectively fixedly arranged on the upper side wall of the L-shaped block and the upper pull rod, a stress block is slidably arranged in the stress block cavity, and a first spring is connected between the stress block and a partition plate in the stress block cavity, the stress block is fixedly provided with two trigger blocks, the trigger blocks penetrate through the partition plate in the cavity of the stress block, the side wall of the cavity of the stress block is fixedly provided with an electric signal block, and the trigger blocks can generate electric signals when contacting the electric signal block.
Preferably, a motor cavity is arranged in the cylinder detection die, a blowing device is arranged in the motor cavity and used for generating air pressure, the blowing device comprises a blowing motor fixed on the left side wall of the motor cavity, the blowing motor is a servo motor and provided with a timing positive and negative starting program, a reciprocating shaft is arranged at the output end of the blowing motor, a rack meshing wheel is fixedly arranged on the reciprocating shaft, a blowing cavity is fixedly arranged on the upper side wall of the motor cavity, a blowing piston is slidably arranged in the blowing cavity, a rack is fixedly arranged at the lower end of the blowing piston and meshed with the rack meshing wheel, and a ventilation plate is fixedly arranged at the upper end of the blowing cavity.
Preferably, gas permeability detection device is including fixing last annular on the last fixed slot on the lateral wall, go up the fixed oblique dog that is equipped with front and back symmetry on the last annular left side wall, upward be equipped with the electromagnetic friction strip on the lateral wall of annular, it is equipped with the wind wheel axle to go up to rotate on the fixed slot, the fixed wind wheel that is equipped with of wind wheel axle lower extreme, the epaxial fixed axle fixed block that is equipped with of wind wheel, the fixed wind wheel axle spline that is equipped with in wind wheel axle upper end, it is equipped with the spline connecting rod to slide from top to bottom in the wind wheel axle spline, the fixed ball connecting rod that is equipped with on the spline connecting rod, ball connecting rod upper end rotates and is equipped with the friction ball, works as the friction ball is in can produce the signal of telecommunication when sliding on the electromagnetic friction strip.
Preferably, the transmission device comprises a main motor shaft arranged on the output end of the main motor, a reel is fixedly arranged on the front section of the main motor shaft, a pull rope is wound on the reel, the pull rope is connected with the hydraulic cavity, a front fixed wheel is fixedly arranged on the front side in the main motor shaft, a middle fixed wheel is fixedly arranged on the rear side in the main motor shaft, a rear fixed wheel is fixedly arranged on the rear end of the main motor shaft, a hydraulic pump is fixedly arranged on the rear lower side wall of the working cavity, a hose is connected between the hydraulic pump and the hydraulic cavity and used for controlling the hydraulic piston to slide, a pump shaft is arranged on the input end of the hydraulic pump, a pump driving wheel is fixedly arranged on the pump shaft, a pump driving belt is connected between the pump driving wheel and the middle fixed wheel, a clamping groove disc is fixedly arranged on the die shaft, and six annular clamping, the draw-in groove dish is gone up to rotate and is equipped with the control wheel, the control wheel with the meshing of preceding tight pulley, the fixed six bolt chambeies that are equipped with of control wheel inner ring, the fixed automatically controlled piece that is equipped with on the lateral wall in bolt chamber, the slip is equipped with inserts the round pin in the bolt intracavity, insert the round pin with be connected with the bolt spring between the lateral wall in bolt chamber, the signal of telecommunication piece with the signal of telecommunication that the electromagnetism friction strip produced is used for control automatically controlled piece.
Preferably, it is equipped with the screw spindle to rotate on the working chamber rear side wall, the fixed driving wheel that is equipped with on the screw spindle, go up the driving wheel with be connected with the transmission area between the rear mounting wheel, the screw spindle front end slides and is equipped with the thread engagement piece, the thread engagement piece with thread spindle thread engagement, the cylinder detects the fixed mould annular that is equipped with in mould rear end, the thread engagement piece is in slide in the mould annular, be equipped with round engagement piece draw-in groove on the upper and lower lateral wall of mould annular, the fixed meshing piece fixture block that is equipped with of anterior segment of thread engagement piece, the meshing piece fixture block stretches into block in the meshing piece draw-in groove, the cylinder detects the mould rear side and is equipped with an outgoing belt, works as the cylinder detects the mould and moves backward the rearmost end can be connected with outgoing belt, will the gauze mask on the cylinder detection mould.
The mask enters the equipment body through the conveyor belt and falls onto the upper side wall of the cylindrical detection mould, the hangers naturally fall, the breathing part covers the breathable plate, the main motor is started to rotate positively, the main motor shaft is driven to rotate, the middle fixed wheel is driven to rotate through the pump transmission belt to drive the pump transmission wheel to rotate, the pump shaft is driven to rotate to start the hydraulic pump, hydraulic oil is led into the hydraulic cavity, the hydraulic piston slides outwards, the piston connecting rod is driven to move towards two sides, the upper pull rod penetrates through the hangers to slide towards two sides, the mask is unfolded outwards, the connection strength and the mask strength of the hangers are detected, the reel is driven to rotate while the main motor shaft rotates, the pull rope is tightened, the hydraulic cavity is driven to slide downwards in the curved groove, the mask is unfolded backwards, the mask strength is detected again through angle adjustment, the detection effect is better, meanwhile, the mask is attached to the cylindrical, the rear fixed wheel is driven to rotate by the rotation of the main motor shaft, the upper driving wheel is driven to rotate by the upper driving belt, the threaded shaft is driven to rotate, the threaded meshing block is driven to rotate on the front side, the cylindrical detection die is jacked to the foremost end, the blowing motor is started to drive the reciprocating shaft to rotate forward and backward, the rack meshing wheel is driven to rotate, the meshing rack is driven to reciprocate up and down, the blowing piston is driven to slide up and down, when the blowing piston slides up, air is pushed out upwards and blown out through the vent plate and enters the mask, when the blowing piston slides down, air is sucked in and sucked through the mask, and the air permeability of the mask is detected. Carry out horizontal pulling to the gauze mask earlier, detect the gauze mask quality, the downward pulling gauze mask accords with people's in service behavior again, carries out quality testing to gauze mask hangers and gauze mask itself, and detection effect is better, more laminates the in-service behavior.
When the strength of the mask is detected, the hangers of the mask are pushed by the L-shaped blocks to slide outwards, the hangers press the stress blocks to slide inwards by means of the elasticity of the hangers, so that the trigger blocks are contacted with the electric signal blocks, when the mask is torn or the hangers are torn off, the elasticity is lost, so that the stress block slides outwards under the action of the first spring, the trigger block is separated from the electric signal block to generate an electric signal, the electric control block receives the electric signal and does not generate magnetic force, under the action of the bolt spring, the inserting pin slides inwards, the control wheel continues to rotate, so that the inserting pin extends into the annular clamping groove and drives the clamping groove disc to rotate, so that the mold shaft rotates to drive the cylindrical detection mold to rotate, the swinging wheel contacts the fixed wheel to be meshed and rotated to drive the swinging shaft to rotate, make the pull rod rotatory, the cylinder detects the rotatory one hundred eighty degrees back of mould, and the gauze mask hangers is not strutted, falls into along with gravity and collects the intraoral quilt of collection. And automatically screening and collecting the masks with poor quality by utilizing the snapping property of the masks with poor quality.
When carrying out the gas tightness to the gauze mask and detecting, upwards blow, it is rotatory to blow the wind wheel, make the wind wheel axle rotate, it slides in last annular to drive the ball connecting rod, because the gauze mask gas tightness, make the friction ball can't pass through oblique dog, by the constraint, when the gauze mask gas tightness goes wrong, the gas that blows off can exceed the standard value, make the wind wheel rotatory, it is rotatory to drive the wind wheel axle, make the friction ball slide oblique dog, slide in last annular, friction ball friction electromagnetism friction strip produces the signal of telecommunication and passes to automatically controlled piece, make the mould axle begin to rotate, make the cylinder detect the mould rotatory, fall into the gauze mask to collecting in the mouth by collecting. Blow in the gauze mask through the laminating, obtain more accurate testing result, compare the standard of gauze mask gas permeability, select the gauze mask that the gas permeability is not good.
When the gauze mask is qualified, after two detection do not produce the signal of telecommunication, accomplish the detection to the gauze mask, start the reversal of main motor, drive the reversal of main motor shaft, make the reel reversal, loosen the stay cord, under the effect of hydraulic pressure chamber spring, the hydraulic pressure chamber rebound resets, the pump drive wheel reversal, the hydraulic pump is retrieved hydraulic pressure intracavity hydraulic oil, no longer strut the gauze mask, the back tight pulley reversal, drive the transmission wheel reversal on the drive, make the screw shaft reversal, it slides to drive the meshing screw thread axle rear side, it slides to drive the cylinder detection mould rear side, be connected with the outgoing belt that the rear end set up, the outgoing belt transports the gauze mask of placing on the cylinder detection mould upper side wall.
Compared with the prior art, this daily gauze mask gas permeability and quality detection equipment have following advantage:
1. carry out horizontal pulling to the gauze mask earlier, detect the gauze mask quality, the downward pulling gauze mask accords with people's in service behavior again, carries out quality testing to gauze mask hangers and gauze mask itself, and detection effect is better, more laminates the in-service behavior.
2. Blow in the gauze mask through the laminating, obtain more accurate testing result, compare the standard of gauze mask gas permeability, select the gauze mask that the gas permeability is not good.
3. The device is arranged on a production line, and is used for detecting each mask, so that the quality of the mask is improved.
Drawings
Fig. 1 is a schematic structural view of a breathing and quality inspection apparatus for a daily mask.
Fig. 2 is a sectional view taken along a line a-a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 2.
Fig. 4 is an enlarged view of the structure at C in fig. 1.
Fig. 5 is a sectional view taken along line D-D in fig. 1.
Fig. 6 is a sectional view taken along the direction E-E in fig. 5.
In the figure, 10, the housing; 11. a collection port; 12. a working chamber; 13. a fixed wheel; 14. a cylindrical detection mold; 15. a hydraulic chamber; 16. bending a groove; 17. an air blowing cavity; 18. a rack; 19. a blow piston; 20. a wind deflector; 21. a wind wheel; 22. an upper fixing groove; 23. a second spring; 24. an upper ring groove; 25. a sliding ball connecting rod; 26. a spline connecting rod; 27. a wind wheel shaft spline; 28. a shaft fixing block; 29. a wind wheel shaft; 30. a gas permeable plate; 31. a rack engaging wheel; 32. a hydraulic piston; 33. a piston connecting rod; 34. a hydraulic chamber spring; 35. pulling a rope; 36. a reciprocating shaft; 37. a blowing motor; 38. a motor cavity; 39. an L-shaped block; 40. a stress block; 41. a first spring; 42. a trigger block; 43. a stress block cavity; 44. an electrical signal block; 45. an upper pull rod; 46. a swing shaft; 47. a swinging wheel; 48. a conveyor belt; 49. a main motor shaft; 50. a reel; 51. a front fixed wheel; 52. a pump drive belt; 53. a pump shaft; 54. a pump drive wheel; 55. a hydraulic pump; 56. a main motor; 57. a rear fixed wheel; 58. a middle fixed wheel; 59. uploading a transmission belt; 60. a mold shaft; 61. a threaded shaft; 62. a driving wheel is arranged; 63. a slot clamping disc; 64. a control wheel; 65. a threaded engagement block; 66. a meshing block fixture block; 67. a mould ring groove; 68. a meshing block clamping groove; 70. an electromagnetic rubbing strip; 71. an inclined stop block; 72. rubbing a sliding ball; 73. a latch cavity; 74. a latch spring; 75. an electric control block; 76. inserting a pin; 77. and an annular clamping groove.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the air permeability and quality detection device for the daily mask comprises a shell 10, a working chamber 12 is arranged in the shell 10, a backward inclined conveyor belt 48 is arranged at the front side of the working chamber 12, a collecting port 11 is fixedly arranged on the lower side wall of the working chamber 12, a mold shaft 60 is rotatably arranged on the rear side wall of the working chamber 12, a spline groove is arranged at the front side of the mold shaft 60, a cylindrical detection mold 14 is slidably arranged on the spline groove, a mask strength detection device is arranged on the cylindrical detection mold 14 and is used for detecting the self quality strength of the mask and the quality of the ear hanging connection, air baffles 20 which are bilaterally symmetrical are fixedly arranged on the upper side wall of the working chamber 12, an upper fixing groove 22 is fixedly arranged on the upper side wall of the working chamber 12, an air permeability detection device is arranged on the upper fixing groove 22 and is used for detecting the air permeability of the mask, a main, the main motor 56 is provided with a transmission device which is used for controlling the motion state of the equipment.
As shown in fig. 1, 2 and 4, the mask strength detecting device comprises bilaterally symmetrical curved grooves 16 fixed on a cylindrical detecting die 14, each curved groove 16 is provided with a hydraulic cavity 15 in a sliding manner, a hydraulic cavity spring 34 is connected between the hydraulic cavity 15 and the lower side wall of the curved groove 16, a hydraulic piston 32 is arranged in each hydraulic cavity 15 in a sliding manner, a piston connecting rod 33 is fixedly arranged on the hydraulic piston 32, a swinging shaft 46 is rotatably arranged at the rear side of the piston connecting rod 33, a swinging wheel 47 is fixedly arranged on the swinging shaft 46, an upper pull rod 45 is fixedly arranged on the swinging wheel 47, a fixed wheel 13 extending forwards is fixedly arranged on the rear side wall of the working cavity 12, the upper pull rod 45 can be meshed with the fixed wheel 13, an L-shaped block 39 is fixedly arranged on the upper pull rod 45, a stressed block cavity 43 is respectively fixedly arranged on the upper side wall of the L-shaped block 39 and the upper pull rod 45, a stressed block 40 is slidably arranged in the stressed block cavity 43, a first spring 41 is connected between the stressed, two trigger blocks 42 are fixedly arranged on the stress block 40, the trigger blocks 42 penetrate through a partition plate in a stress block cavity 43, an electric signal block 44 is fixedly arranged on the side wall of the stress block cavity 43, and the trigger blocks 42 can generate electric signals when contacting the electric signal block 44.
As shown in fig. 1, a motor cavity 38 is arranged in the cylindrical detection mold 14, a blowing device is arranged in the motor cavity 38, the blowing device is used for generating air pressure, the blowing device comprises a blowing motor 37 fixed on the left side wall of the motor cavity 38, the blowing motor 37 is a servo motor and is provided with a timing positive and negative starting program, a reciprocating shaft 36 is arranged on the output end of the blowing motor 37, a rack engaging wheel 31 is fixedly arranged on the reciprocating shaft 36, a blowing cavity 17 is fixedly arranged on the upper side wall of the motor cavity 38, a blowing piston 19 is slidably arranged in the blowing cavity 17, a rack 18 is fixedly arranged at the lower end of the blowing piston 19, the rack 18 is engaged with the rack engaging wheel 31, and a vent plate 30 is fixedly arranged.
As shown in fig. 1, 5 and 3, the air permeability detection device includes an upper ring groove 24 fixed on the upper side wall of an upper fixing groove 22, an inclined stopper 71 is fixed on the left side wall of the upper ring groove 24, the upper side wall of the upper ring groove 24 is provided with an electromagnetic friction strip 70, an air wheel shaft 29 is rotatably provided on the upper fixing groove 22, an air wheel 21 is fixedly provided at the lower end of the air wheel shaft 29, a shaft fixing block 28 is fixedly provided on the air wheel shaft 29, an air wheel shaft spline 27 is fixedly provided at the upper end of the air wheel shaft 29, a spline connecting rod 26 is slidably provided in the air wheel shaft spline 27 up and down, a sliding ball connecting rod 25 is fixedly provided on the spline connecting rod 26, a sliding friction ball 72 is rotatably provided at the upper end of the sliding ball connecting rod 25, an electric signal is generated when the sliding ball 72 slides on the electromagnetic friction strip 70.
As shown in fig. 2 and 3, the transmission device includes a main motor shaft 49 disposed on an output end of a main motor 56, a reel 50 is fixedly disposed on a front section of the main motor shaft 49, a pulling rope 35 is wound on the reel 50, the pulling rope 35 is connected with a hydraulic chamber 15, a front fixed wheel 51 is fixedly disposed on a front side of the main motor shaft 49, a middle fixed wheel 58 is fixedly disposed on a rear side of the main motor shaft 49, a rear fixed wheel 57 is fixedly disposed on a rear end of the main motor shaft 49, a hydraulic pump 55 is fixedly disposed on a rear lower side wall of the working chamber 12, a hose is connected between the hydraulic pump 55 and the hydraulic chamber 15 for controlling the hydraulic piston 32 to slide, a pump shaft 53 is disposed on an input end of the hydraulic pump 55, a pump driving wheel 54 is fixedly disposed on the pump shaft 53, a pump driving belt 52 is connected between the pump driving wheel 54 and the middle fixed wheel 58, a notch, a control wheel 64 is rotatably arranged on the slot clamping disk 63, the control wheel 64 is meshed with the front fixed wheel 51, six plug pin cavities 73 are annularly and fixedly arranged in the control wheel 64, an electric control block 75 is fixedly arranged on the upper side wall of each plug pin cavity 73, plug pins 76 are slidably arranged in the plug pin cavities 73, plug pin springs 74 are connected between the plug pins 76 and the side walls of the plug pin cavities 73, and electric signals generated by the electric signal blocks 44 and the electromagnetic friction strips 70 are used for controlling the electric control blocks 75.
As shown in fig. 2, a threaded shaft 61 is rotatably arranged on the rear side wall of the working cavity 12, an upper driving wheel 62 is fixedly arranged on the threaded shaft 61, an upper driving belt 59 is connected between the upper driving wheel 62 and the rear fixing wheel 57, a threaded engagement block 65 is slidably arranged at the front end of the threaded shaft 61, the threaded engagement block 65 is in threaded engagement with the threaded shaft 61, a mold ring groove 67 is fixedly arranged at the rear end of the cylindrical detection mold 14, the threaded engagement block 65 slides in the mold ring groove 67, a circle of engagement block clamping groove 68 is arranged on the upper side wall and the lower side wall of the mold ring groove 67, an engagement block clamping block 66 is fixedly arranged at the front section of the threaded engagement block 65, the engagement block clamping block 66 extends into the engagement block clamping groove 68 to be clamped, a discharge belt is arranged at the rear side of the cylindrical detection mold 14, and when the cylindrical detection mold 14.
The mask enters the equipment body through the conveyor belt 48 and falls on the upper side wall of the cylindrical detection mould 14, the hangers naturally fall, the breathing position covers the breathable plate 30, the main motor 56 is started to rotate positively to drive the main motor shaft 49 to rotate, the middle fixed wheel 58 is rotated to drive the pump transmission wheel 54 to rotate through the pump transmission belt 52, the pump shaft 53 is rotated to start the hydraulic pump 55, hydraulic oil is led into the hydraulic cavity 15, the hydraulic piston 32 slides outwards to drive the piston connecting rod 33 to move towards two sides, the upper pull rod 45 penetrates through the hangers to slide towards two sides to stretch the mask outwards, the connection strength and the mask strength of the hangers are detected, the main motor shaft 49 rotates and simultaneously drives the reel 50 to rotate, the pull rope 35 is tightened to drive the hydraulic cavity 15 to slide downwards in the bent groove 16 to stretch the mask backwards, the mask strength is retested through angle adjustment, and the detection effect is better, meanwhile, the mask is attached to the cylindrical detection mold 14 and tightly covers the air permeable plate 30, the main motor shaft 49 rotates to drive the rear fixed wheel 57 to rotate, the upper transmission wheel 62 is driven to rotate through the upper transmission belt 59, the threaded shaft 61 rotates, the threaded engagement block 65 rotates on the front side, the cylindrical detection mold 14 is pushed to the forefront end, the air blowing motor 37 is started to drive the reciprocating shaft 36 to rotate forward and backward, the rack engagement wheel 31 is driven to rotate, the engagement rack 18 moves up and down in a reciprocating mode, the air blowing piston 19 slides up and down in a reciprocating mode, air is pushed out upwards when the air blowing piston 19 slides upwards, the air is blown out from the mask through the air permeable plate 30, and when the air blowing piston 19 slides downwards, the air is sucked in and is sucked through the mask to detect the air permeability of the mask. Carry out horizontal pulling to the gauze mask earlier, detect the gauze mask quality, the downward pulling gauze mask accords with people's in service behavior again, carries out quality testing to gauze mask hangers and gauze mask itself, and detection effect is better, more laminates the in-service behavior.
When the strength of the mask is detected, the hanging lug of the mask is pushed by the L-shaped block 39 to slide outwards, the hanging lug presses the stressed block 40 to slide inwards by virtue of the elasticity of the hanging lug, so that the trigger block 42 contacts the electric signal block 44, when the mask is torn or the hanging lug is torn down, the elasticity is lost, the stressed block 40 slides outwards under the action of the first spring 41, the trigger block 42 is separated from the electric signal block 44 to generate an electric signal, the electric control block 75 receives the electric signal and does not generate magnetic force, the inserting pin 76 slides inwards under the action of the bolt spring 74, the control wheel 64 continues to rotate, the inserting pin 76 extends into the annular clamping groove 77, the clamping groove disc 63 is driven to rotate, the mold shaft 60 rotates to drive the cylindrical detection mold 14 to rotate, the swinging wheel 47 contacts the fixed wheel 13 to be meshed and rotates to drive the swinging shaft 46 to rotate, the upper pull rod 45 rotates, and after the cylindrical detection mold 14 rotates one hundred eighty degrees, the mask hangers are not propped open, and fall into the collecting port 11 along with the gravity to be collected. And automatically screening and collecting the masks with poor quality by utilizing the snapping property of the masks with poor quality.
When carrying out the gas tightness detection to the gauze mask, upwards blow, it is rotatory to blow wind wheel 21, make wind wheel axle 29 rotate, drive smooth ball connecting rod 25 and slide in upper ring groove 24, because the gauze mask gas tightness, make smooth ball 72 of friction unable through oblique dog 71, be bound, when the gauze mask gas tightness goes wrong, the gas that blows out can exceed the standard value, make wind wheel 21 rotatory, it is rotatory to drive wind wheel axle 29, make smooth ball 72 of friction slide cross oblique dog 71, slide in upper ring groove 24, smooth ball 72 friction electromagnetism friction strip 70 of friction produces the signal of telecommunication and passes to automatically controlled piece 75, make mould axle 60 begin to rotate, make cylinder detection mould 14 rotatory, fall into the gauze mask and collect in collecting mouthful 11. Blow in the gauze mask through the laminating, obtain more accurate testing result, compare the standard of gauze mask gas permeability, select the gauze mask that the gas permeability is not good.
When the mask is qualified, after no electric signal is generated in the two detections, the detection of the mask is completed, the main motor 56 is started to rotate reversely, the main motor shaft 49 is driven to rotate reversely, the reel 50 rotates reversely, the pull rope 35 is loosened, the hydraulic cavity 15 moves upwards to reset under the action of the hydraulic cavity spring 34, the pump driving wheel 54 rotates reversely, the hydraulic pump 55 recovers hydraulic oil in the hydraulic cavity 15, the mask is not unfolded, the rear fixed wheel 57 rotates reversely, the upper driving wheel 62 rotates reversely, the threaded shaft 61 rotates reversely, the threaded meshing block 65 is driven to mesh the threaded shaft 61 to slide towards the rear side, the cylindrical detection die 14 is driven to slide towards the rear side and is connected with a transmission belt arranged at the rear end, and the transmission belt conveys out the mask placed on the upper side wall of the cylindrical detection die 14.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A daily mask air permeability and quality detection device comprises a shell (10) and is characterized in that a working chamber (12) is arranged in the shell (10), an inclined backward conveying belt (48) is arranged on the front side of the working chamber (12), a collection port (11) is fixedly arranged on the lower side wall of the working chamber (12), a mold shaft (60) is rotatably arranged on the rear side wall of the working chamber (12), a spline groove is arranged on the front side of the mold shaft (60), a cylindrical detection mold (14) is slidably arranged on the spline groove, a mask strength detection device is arranged on the cylindrical detection mold (14) and is used for detecting the quality strength of a mask and the connection quality of a suspension loop, bilateral symmetric wind shields (20) are fixedly arranged on the upper side wall of the working chamber (12), an upper fixing groove (22) is fixedly arranged on the upper side wall of the working chamber (12), go up to be equipped with gas permeability detection device on fixed slot (22), gas permeability detection device is used for detecting the gauze mask gas permeability, fixed being equipped with main motor (56) on the lateral wall behind working chamber (12), be equipped with transmission on main motor (56), transmission is used for controlgear motion state.
2. The apparatus for inspecting air permeability and quality of a daily mask according to claim 1, wherein: the mask strength detection device comprises bent grooves (16) which are fixed on the cylindrical detection die (14) and are bilaterally symmetrical, a hydraulic cavity (15) is arranged on each bent groove (16) in a sliding mode, a hydraulic cavity spring (34) is connected between each hydraulic cavity (15) and the lower side wall of each bent groove (16), a hydraulic piston (32) is arranged in each hydraulic cavity (15) in a sliding mode, a piston connecting rod (33) is fixedly arranged on each hydraulic piston (32), a swinging shaft (46) is arranged on the rear side of each piston connecting rod (33) in a rotating mode, a swinging wheel (47) is fixedly arranged on each swinging shaft (46), an upper pull rod (45) is fixedly arranged on each swinging wheel (47), a fixed wheel (13) extending forwards is fixedly arranged on the rear side wall of the working cavity (12), the upper pull rod (45) can be meshed with the fixed wheel (13), and an L-shaped block (39) is fixedly arranged on each upper pull rod (45), l shape piece (39) with on pull rod (45) on each fixed atress piece chamber (43) that is equipped with on the lateral wall, it is equipped with atress piece (40) to slide in atress piece chamber (43), atress piece (40) with be connected with first spring (41) between the baffle in atress piece chamber (43), fixed two trigger block (42) that are equipped with on atress piece (40), trigger block (42) pass the baffle in atress piece chamber (43), fixed signal of telecommunication piece (44) that is equipped with on atress piece chamber (43) lateral wall, trigger block (42) can produce the signal of telecommunication when contacting signal of telecommunication piece (44).
3. The daily mask air permeability and quality detection device according to claim 2, characterized in that: a motor cavity (38) is arranged in the cylindrical detection die (14), a blowing device is arranged in the motor cavity (38) and used for generating air pressure, the blowing device comprises a blowing motor (37) fixed on the left side wall of the motor cavity (38), the blowing motor (37) is a servo motor and is provided with a timing positive and negative starting program, the output end of the blowing motor (37) is provided with a reciprocating shaft (36), a rack engaging wheel (31) is fixedly arranged on the reciprocating shaft (36), an air blowing cavity (17) is fixedly arranged on the upper side wall of the motor cavity (38), an air blowing piston (19) is arranged in the air blowing cavity (17) in a sliding manner, a rack (18) is fixedly arranged at the lower end of the air blowing piston (19), the rack (18) is meshed with the rack meshing wheel (31), and the upper end of the air blowing cavity (17) is fixedly provided with a ventilation plate (30).
4. The apparatus for inspecting air permeability and quality of a daily mask according to claim 3, wherein: the air permeability detection device comprises an upper annular groove (24) fixed on the upper side wall of the upper fixing groove (22), an inclined stop block (71) which is symmetrical around and is fixedly arranged on the left side wall of the upper annular groove (24), an electromagnetic friction strip (70) is arranged on the upper side wall of the upper annular groove (24), a wind wheel shaft (29) is arranged on the upper fixing groove (22) in a rotating mode, a wind wheel (21) is fixedly arranged at the lower end of the wind wheel shaft (29), a shaft fixing block (28) is fixedly arranged on the wind wheel shaft (29), a wind wheel shaft spline (27) is fixedly arranged at the upper end of the wind wheel shaft (29), a spline connecting rod (26) is arranged in the wind wheel shaft spline (27) in an up-and-down sliding mode, a sliding ball connecting rod (25) is fixedly arranged on the spline connecting rod (26), a friction sliding ball (72) is arranged on the upper end of the sliding ball connecting rod (25) in, a second spring (23) is connected between the lower end of the sliding ball connecting rod (25) and the shaft fixing block (28).
5. The apparatus for inspecting air permeability and quality of a daily mask according to claim 4, wherein: the transmission device comprises a main motor shaft (49) arranged on the output end of a main motor (56), a reel (50) is fixedly arranged at the front section of the main motor shaft (49), a pull rope (35) is wound on the reel (50), the pull rope (35) is connected with the hydraulic cavity (15), a front fixed wheel (51) is fixedly arranged at the middle front side of the main motor shaft (49), a middle fixed wheel (58) is fixedly arranged at the middle rear side of the main motor shaft (49), a rear fixed wheel (57) is fixedly arranged at the rear end of the main motor shaft (49), a hydraulic pump (55) is fixedly arranged on the rear lower side wall of the working cavity (12), a hose is connected between the hydraulic pump (55) and the hydraulic cavity (15) and used for controlling the sliding of the hydraulic piston (32), a pump shaft (53) is arranged on the input end of the hydraulic pump (55), and a pump driving wheel (54) is fixedly arranged on the, a pump transmission belt (52) is connected between the pump transmission wheel (54) and the middle fixed wheel (58), a clamping groove disc (63) is fixedly arranged on the die shaft (60), six annular clamping grooves (77) are annularly and fixedly arranged on the clamping groove disc (63), a control wheel (64) is rotatably arranged on the slot clamping disc (63), the control wheel (64) is meshed with the front fixed wheel (51), six pin cavities (73) are annularly and fixedly arranged in the control wheel (64), an electric control block (75) is fixedly arranged on the upper side wall of each pin cavity (73), an inserting pin (76) is arranged in the inserting pin cavity (73) in a sliding manner, an inserting pin spring (74) is connected between the inserting pin (76) and the side wall of the inserting pin cavity (73), the electric signal generated by the electric signal block (44) and the electromagnetic friction strip (70) is used for controlling the electric control block (75).
6. The daily mask air permeability and quality detection device according to claim 5, characterized in that: the utility model discloses a fixed threaded shaft (61) that is equipped with on the wall of working chamber (12) rear side, fixed being equipped with on threaded shaft (61) drive wheel (62), go up drive wheel (62) with be connected with between rear fixed wheel (57) drive belt (59), threaded shaft (61) front end slides and is equipped with thread engagement piece (65), thread engagement piece (65) with threaded shaft (61) threaded engagement, cylinder detection mould (14) rear end is fixed and is equipped with die ring groove (67), thread engagement piece (65) slide in die ring groove (67), be equipped with round engagement piece draw-in groove (68) on the upper and lower lateral wall of die ring groove (67), the fixed engagement piece fixture block (66) that is equipped with of anterior segment of thread engagement piece (65), engagement piece (66) stretch into engagement piece draw-in groove (68) internal clamping, cylinder detection mould (14) rear side is equipped with a transmission belt, when the cylindrical detection die (14) moves backwards to the rearmost end, the cylindrical detection die is connected with a transmitting belt, and a mask on the cylindrical detection die (14) is transmitted out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110208995.0A CN112986095B (en) | 2021-02-25 | 2021-02-25 | Daily gauze mask gas permeability and quality detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110208995.0A CN112986095B (en) | 2021-02-25 | 2021-02-25 | Daily gauze mask gas permeability and quality detection equipment |
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| CN112986095A true CN112986095A (en) | 2021-06-18 |
| CN112986095B CN112986095B (en) | 2022-09-09 |
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| CN202110208995.0A Active CN112986095B (en) | 2021-02-25 | 2021-02-25 | Daily gauze mask gas permeability and quality detection equipment |
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| CN112986095B (en) | 2022-09-09 |
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