CN209597680U - Facial mask empty bag detection device - Google Patents

Abstract

The utility model belongs to facial mask production equipment technology, more particularly to a kind of facial mask empty bag detection device, including rack, lever, detection piece, pressure roller and conveying mechanism, conveying mechanism is installed in rack and will convey facial mask bag along preset path, and pressure roller is placed on the conveyor surface of conveying mechanism along the direction perpendicular to preset path；Lever is rotatably installed in rack, and lever is connected with the end of pressure roller, detection piece is installed in rack and the setting of the end of face lever, and pressure roller is greater than the distance of corresponding points of the detection piece on lever to balance pivot at a distance from the tie point to balance pivot of lever.The facial mask empty bag detection device of the utility model is amplified the motion amplitude of pressure roller, using lever principle consequently facilitating the detection of detection piece, improves the detection accuracy of entire facial mask empty bag detection device；Meanwhile without high-precision detection piece is used, the cost of entire facial mask empty bag detection device can be effectively reduced.

Description

Facial mask empty bag detection device

Technical field

The utility model belongs to facial mask production equipment technology more particularly to a kind of facial mask empty bag detection device.

Background technique

Currently, facial mask empty bag detection device on the market, generally comprises pressure roller, inductor and for conveying the defeated of facial mask bag Mechanism is sent, and pressure roller is placed across on the conveyor surface of conveying mechanism；When the facial mask bag equipped with face paper passes through the lower section of pressure roller When, the facial mask bag equipped with face paper can jack up upwards pressure roller；When empty facial mask bag passes through the lower section of pressure roller, empty facial mask bag Thickness it is smaller, pressure roller will not be small by empty facial mask bag jacks up or pressure roller jacks up height；Then it goes to examine by inductor again The movement of pressure roller is surveyed, thus judge whether facial mask bag is empty bag, but in actual production process, due to being equipped with face paper The thickness of the thickness of facial mask bag and empty facial mask bag difference is smaller, and the motion amplitude of pressure roller is smaller, so allow for inductor without Method identifies empty bag, therefore, existing facial mask empty bag detection device completely can not all detect all empty facial mask bags Come.

Utility model content

The purpose of this utility model is to provide a kind of facial mask empty bag detection devices, it is intended to solve facial mask in the prior art The technical issues of empty bag detection device completely can not all detected all empty facial mask bags.

A kind of facial mask empty bag detection device that in order to achieve the above purposes, the technical solution adopted by the utility model is:, including machine Frame, lever, detection piece, pressure roller and conveying mechanism, the conveying mechanism are installed in the rack and will convey along preset path Facial mask bag, the pressure roller are placed on the conveyor surface of the conveying mechanism along the direction perpendicular to the preset path；The thick stick Bar is rotatably installed in the rack, and the lever is connected with the end of the pressure roller, and the detection piece is installed on institute State in rack and face described in lever end setting, the tie point of the pressure roller and the lever to the balance pivot away from From be greater than the detection piece with a distance from the corresponding points on the lever to the balance pivot.

Further, the side of the rack is equipped with the support rod being vertically arranged, and the upper end of the support rod, which is equipped with, to be fixed Hole；The side of the lever is equipped with connecting shaft, and the connecting shaft is installed in the fixation hole by bearing.

Further, tie point, the connecting shaft and the detection piece of the pressure roller and the lever are in the thick stick Corresponding points on bar are sequentially arranged along the length direction of the lever.

Further, the tie point of the connecting shaft, the pressure roller and the lever and the detection piece are in the thick stick Corresponding points on bar are sequentially arranged along the length direction of the lever.

Further, the detection piece is photoelectric sensor.

Further, the facial mask empty bag detection device further includes fastener, sliding block and slide bar, and the lower end of the slide bar is solid Side of the Dingan County loaded on the rack is simultaneously vertically arranged, and the slide block set is set on the slide bar, the sliding block and the pressure The end of roller is connected, and the lever is equipped with strip hole, and the fastener passes through the strip hole and is connected with the sliding block.

Further, the side of the rack is equipped with lifting cylinder, and the piston rod of the lifting cylinder is arranged upward, and institute It states and is provided with discharging hopper on the piston rod of lifting cylinder, the detection piece and the lifting cylinder are electrically connected, and being used for will It detects and signal is fed back into the lifting cylinder to control discharging hopper movement when facial mask bag is empty bag.

Further, the conveying mechanism includes feeder motor, conveyer belt and two transmission shafts, and two transmission shafts are flat Row interval is arranged and is rotatably connected with the rack, and the conveyer belt is set around on two transmission shafts, the conveying Motor is connected by transmission mechanism with transmission shaft described in one of them.

Further, the rack is equipped with support plate, and the support plate is arranged in the conveyer belt, and the support Plate is located at the underface of the pressure roller and is used to support the pressure roller.

Further, the facial mask empty bag detection device further includes mounting plate, shaft, guide plate, connecting rod and guiding gas Cylinder, the mounting plate are installed on the side of the rack and are located at the feed inlet of the conveying mechanism, the guide plate installation It is arranged in the shaft and backwards to the conveying mechanism, and the guide plate is located at the top of the conveying mechanism, the shaft It is rotatably connected with the mounting plate, the cylinder body of the guide cylinder is rotatably connected with the mounting plate, the guide cylinder Piston rod be connected by the connecting rod with the shaft and be used to driving the guide plate rotation to by empty facial mask bag It rejects.

The utility model has the beneficial effects that the facial mask empty bag detection device of the utility model, facial mask bag is on the conveyor It conveys and passes through from the lower section of pressure roller, when facial mask bag passes through the lower section of pressure roller, facial mask bag can jack up upwards pressure roller, thus band Dynamic lever rotation, since pressure roller is greater than corresponding points of the detection piece on lever extremely at a distance from the tie point to balance pivot of lever The distance of balance pivot, therefore, motion amplitude of the detection piece in the corresponding points on lever can be than the tie point of pressure roller and lever The motion amplitude at place is big, this, which allows for detection piece, can accurately judge empty facial mask bag；The facial mask empty bag of the utility model is examined Device is surveyed, using lever principle, the motion amplitude of pressure roller is amplified, consequently facilitating the detection of detection piece, it is empty to improve entire facial mask The detection accuracy of bag detection device；Meanwhile without high-precision detection piece is used, entire facial mask empty bag can be effectively reduced The cost of detection device.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of facial mask empty bag detection device provided by the embodiment of the utility model.

Fig. 2 is the partial enlarged view in Fig. 1 at A.

Fig. 3 is the Section View of the line B-B along Fig. 1.

Fig. 4 is the partial enlarged view in Fig. 3 at C.

Fig. 5 is the explosive view of facial mask empty bag detection device provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

700-facial mask empty bag detection device 710-rack, 711-support rods

712-slide bar 713-support plate, 714-fasteners

720-lever 721-strip hole, 722-connecting shafts

730-detection piece 740-pressure roller, 741-sliding blocks

750-conveying mechanism 751-feeder motor, 752-conveyer belts

753-761-lifting cylinder of transmission shaft, 762-discharging hoppers

771-mounting plate 772-shaft, 773-guide plates

774-connecting rod 775-guide cylinder, 776-barrier plates

780-transmission mechanism 781-belt, 782-driving wheels

783-7111-fixation holes of transmission cover.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~5 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Fig. 1~5, facial mask empty bag detection device 700 provided by the embodiment of the utility model, including rack 710, thick stick Bar 720, detection piece 730, pressure roller 740 and conveying mechanism 750, the conveying mechanism 750 are installed in the rack 710 and by edges Preset path conveys facial mask bag, and the pressure roller 740 is placed in the conveying mechanism 750 along the direction perpendicular to the preset path Conveyor surface on；The lever 720 is rotatably installed in the rack 710, and the detection piece 730 is installed on the rack The setting of on the 710 and end of lever 720 described in face, the lever 720 are connected with the end of the pressure roller 740, the pressure roller 740 are greater than the detection piece 730 in the lever 720 at a distance from the tie point to 720 fulcrum of lever of the lever 720 On corresponding points to 720 fulcrum of lever distance.

Specifically, the facial mask empty bag detection device 700 of the utility model embodiment, facial mask bag is defeated on conveying mechanism 750 It send and passes through from the lower section of pressure roller 740, when facial mask bag passes through the lower section of pressure roller 740, facial mask bag can push up upwards pressure roller 740 It rises, to drive lever 720 to rotate, since pressure roller 740 is greater than inspection at a distance from the tie point to 720 fulcrum of lever of lever 720 Survey the distance of corresponding points of the part 730 on lever 720 to 720 fulcrum of lever, therefore, correspondence of the detection piece 730 on lever 720 Motion amplitude on point can be bigger than pressure roller 740 and the motion amplitude at the tie point of lever 720, this allows for 730 energy of detection piece It is enough accurately to judge empty facial mask bag；The facial mask empty bag detection device 700 of the utility model embodiment, using 720 principle of lever, The motion amplitude of pressure roller 740 is amplified, consequently facilitating the detection of detection piece 730, improves entire facial mask empty bag detection device 700 Detection accuracy；Meanwhile without high-precision detection piece 730 is used, entire facial mask empty bag detection device can be effectively reduced 700 cost.

Preferably, the pressure roller 740 is described at a distance from the tie point to 720 fulcrum of lever of the lever 720 As soon as corresponding points of the detection piece 730 on the lever 720 to 720 fulcrum of lever distance five/, this is by pressure roller 740 motion amplitude is amplified to five times, this allows for the motion amplitude that general detection piece 730 is capable of detecting when pressure roller 740, So that general detection piece 730 can be used in the facial mask empty bag detection device 700 of the utility model embodiment, it can be significantly The manufacturing cost of entire facial mask empty bag detection device 700 is reduced, and entire facial mask empty bag detection device 700 can also reach simultaneously Preferable detection effect.

Another embodiment of the utility model, in conjunction with shown in Fig. 1, Fig. 2 and Fig. 5, the side of the rack 710 is equipped with perpendicular To the support rod 711 of arrangement, the upper end of the support rod 711 is equipped with fixation hole 7111；The side of the lever 720, which is equipped with, to be connected Spindle 722, the connecting shaft 722 are installed in the fixation hole 7111 by bearing.Specifically, the utility model embodiment Facial mask empty bag detection device 700, the support rod 711 being vertically arranged primarily serve the effect of support lever 720, and regulations and parameters passes through connection Axis 722 and bearing are mounted in the fixation hole 7111 of the upper end of support rod 711, lever 720 can along connecting shaft 722 axis into Row rotation can reduce the rotation resistance of the rotation of lever 720 to realize the amplification of 740 motion amplitude of pressure roller, and the setting of bearing Power, so that the rotation of lever 720 is more flexibly easy, this movement for allowing for pressure roller 740 can be accurately reflected in detection piece 730 test point enables detection piece 730 to be accurately detected the movement of pressure roller 740, further increases entire facial mask The detection accuracy of empty bag detection device 700.

Another embodiment of the utility model, in conjunction with shown in Fig. 1, Fig. 2 and Fig. 5, the pressure roller 740 and the lever 720 tie point, the connecting shaft 722 and the detection piece 730 are in the corresponding points on the lever 720 along the lever 720 length direction is sequentially arranged.Specifically, the facial mask empty bag detection device 700 of the utility model embodiment, connecting shaft 722 Tie point and detection piece 730 positioned at pressure roller 740 and lever 720 is between the corresponding points on lever 720, i.e. the one of lever 720 End is connected with pressure roller 740, and the other end and 730 face of detection piece of lever 720 are arranged, and the fulcrum of lever 720 is located at lever 720 Middle part, when pressure roller 740 moves, lever 720 can be by the supporting role of fulcrum, so that the movement of pressure roller 740 needs Active force needed for overcoming the self gravity of lever 720 is small, so that the movement of pressure roller 740 can more precisely reflect Corresponding points on detection piece 730 and lever 720, can be improved the accuracy of the detection of detection piece 730, further increase whole The detection accuracy of a facial mask empty bag detection device 700.

Another embodiment of the utility model, the connection of the connecting shaft 722, the pressure roller 740 and the lever 720 Point and the detection piece 730 are sequentially arranged in the corresponding points on the lever 720 along the length direction of the lever 720.Tool Body, the facial mask empty bag detection device 700 of the utility model embodiment, pressure roller 740 and the tie point of lever 720 are located at connecting shaft 722 and detection piece 730 between the corresponding points on lever 720, i.e. the fulcrum of lever 720 end that is located at lever 720, this just makes Pressure roller 740 and detection piece 730 be respectively positioned on lever 720 fulcrum the same side, this structure design can pass through shorter thick stick Bar 720 realizes that pressure roller 740 moves bigger enlargement range, so that the structure of entire facial mask empty bag detection device 700 is more compact, Practicability is stronger.

Another embodiment of the utility model, the detection piece 730 are photoelectric sensor.Specifically, photoelectric sensor Detection accuracy with higher further increases entire facial mask so that the testing result of detection piece 730 is more accurate The detection accuracy of empty bag detection device 700.

Another embodiment of the utility model, in conjunction with shown in Fig. 1, Fig. 2 and Fig. 5, the facial mask empty bag detection device 700 It further include fastener 714, sliding block 741 and slide bar 712, the lower end of the slide bar 712 is fixedly installed in the side of the rack 710 And be vertically arranged, the sliding block 741 is sheathed on the slide bar 712, the end phase of the sliding block 741 and the pressure roller 740 Even, the lever 720 is equipped with strip hole 721, and the fastener 714 passes through the strip hole 721 and 741 phase of sliding block Even.Specifically, the facial mask empty bag detection device 700 of the utility model embodiment, slide bar 712 is fixed in rack 710, sliding block 741 are fixed on pressure roller 740, and sliding block 741 is set in slide bar 712 and can be slided on slide bar 712, when facial mask bag passes through When crossing pressure roller 740, pressure roller 740 is merely able to carry out along the axis of pressure roller 740 under the mating reaction of slide bar 712 and sliding block 741 It moves up and down, it is ensured that the movement of pressure roller 740 does not shift, so that the movement of pressure roller 740 can be accurately reflected in inspection Part 730 is surveyed in the corresponding points on lever 720, so that it is guaranteed that the accuracy that detection piece 730 detects.

Further, lever 720 is equipped with strip hole 721, and fastener 714 passes through strip hole 721 and the fixed company of sliding block 741 It connects, when pressure roller 740 moves up and down, is moved in strip hole 721 by fastener 714, so that lever 720 can be stablized It is rotated around its fulcrum, and then avoids lever 720 stuck.

Further, the quantity of slide bar 712 and sliding block 741 is two, and two slide bars 712 are located at rack 710 Opposite sides portion, two sliding blocks 741 are respectively arranged on the both ends of pressure roller 740, and two sliding blocks 741 are respectively sleeved at two slide bars On 712, by the cooperation of two sliding blocks 741 and two slide bars 712, the stability that pressure roller 740 moves can be further assured that And reliability.

Another embodiment of the utility model, referring to figure 1 and figure 5, the side of the rack 710 are equipped with lifting air The piston rod of cylinder 761, the lifting cylinder 761 is arranged upward, and discharging material is provided on the piston rod of the lifting cylinder 761 Bucket 762 is connected, and the detection piece 730 is electrically connected with the lifting cylinder 761, and when being empty bag for will test facial mask bag Signal is fed back into the lifting cylinder 761 to control discharging hopper 762 and move.

Specifically, the facial mask empty bag detection device 700 of the utility model embodiment, when detection piece 730 detects facial mask bag When for empty bag, detection piece 730 will not be triggered during lifting cylinder 761 moves downward with discharging hopper 762, this allows for empty face Film bag directly falls to empty bag area from the output of the delivery outlet of conveying mechanism 750, when detection piece 730 detects that facial mask bag is provided with face When film paper, detection piece 730 triggers lifting cylinder 761 and moves downward with discharging hopper 762, so that discharging hopper 762 and conveying The delivery port of mechanism 750 is connected, so that the output from discharging material mouth of the facial mask bag equipped with face paper falls to qualified area, leads to The lifting of discharging hopper 762 is crossed to distinguish out empty facial mask bag and facial mask bag equipped with face paper, be conducive to it is subsequent plus Work operation, and mechanism is simple, it is practical.

Another embodiment of the utility model, referring to figure 1 and figure 5, the conveying mechanism 750 include feeder motor 751, conveyer belt 752 and two transmission shafts 753, two 753 parallel interval of transmission shaft settings simultaneously can with the rack 710 Rotation connection, the conveyer belt 752 are set around on two transmission shafts 753, and the feeder motor 751 passes through transmission mechanism 780 are connected with transmission shaft 753 described in one of them.Specifically, the facial mask empty bag detection device 700 of the utility model embodiment, Feeder motor 751 drives a transmission shaft 753 to rotate, to drive another transmission shaft 753 and conveyer belt 752 to rotate, in turn The structure of the conveying of realization facial mask bag, conveyer belt 752 and transmission shaft 753 is simple, and the stability of facial mask bag conveying is good.

Further, transmission mechanism 780 includes belt 781 and two driving wheels 782, and two driving wheels 782 are installed respectively On the output shaft of a transmission shaft 753 and motor, belt 781 is wound around on two driving wheels 782, is driven and is installed by motor Driving wheel 782 on motor rotates, thus 782 turns of driving wheel driving belt 781 and being mounted on another transmission shaft 753 Dynamic, which achieves the rotations of conveyer belt 752, so that face paper moves on conveyer belt 752, and use belt 781 The kind of drive has that structure is simple, stable transmission is good, it can be ensured that the rotation of conveyer belt 752 it is more stable reliable, and then really Guarantor's face paper can be stablized to be conveyed on conveying mechanism 750.

Further, transmission mechanism 780 further includes transmission cover 783, and transmission cover 783 is covered on belt 781 and two biographies It is fixedly connected on driving wheel 782 and with rack 710, can be exposed to avoid belt 781 and driving wheel 782, so that it is guaranteed that transmission mechanism 780 transmission is more stable reliable.

Further, detection piece 730 is mounted on the top of transmission cover 783 by mounting plate 771.

Another embodiment of the utility model, in conjunction with shown in Fig. 1, Fig. 3 and Fig. 4, the rack 710 is equipped with support plate 713, the support plate 713 is arranged in the conveyer belt 752, and the support plate 713 is located at the underface of the pressure roller 740 And it is used to support the pressure roller 740.Specifically, the facial mask empty bag detection device 700 of the utility model embodiment, when facial mask bag is defeated When being sent to the lower section of pressure roller 740, facial mask bag is supported the supporting role of plate 713, so that pressure roller 740 be jacked up, it is ensured that facial mask Bag can jack up pressure roller 740.

Another embodiment of the utility model, referring to figure 1 and figure 5, the facial mask empty bag detection device 700 are also wrapped Mounting plate 771, shaft 772, guide plate 773, connecting rod 774 and guide cylinder 775 are included, the mounting plate 771 is installed on described The side of rack 710 is simultaneously located at the feed inlet of the conveying mechanism 750, and the guide plate 773 is installed on the shaft 772 simultaneously It is arranged backwards to the conveying mechanism 750, and the guide plate 773 is located at the top of the conveying mechanism 750, the shaft 772 It is rotatably connected with the mounting plate 771, the cylinder body of the guide cylinder 775 is rotatably connected with the mounting plate 771, described The piston rod of guide cylinder 775 is connected with the shaft 772 by the connecting rod 774 and for driving the guide plate 773 Rotation is to reject empty facial mask bag.Specifically, the facial mask empty bag detection device 700 of the utility model embodiment, works as facial mask Bag is before entering conveying mechanism 750, and when facial mask bag is empty bag, then starting guide cylinder 775 is flexible drives connecting plate rotation, To drive shaft 772 to rotate, and then guide plate 773 is driven to rotate, falls to the facial mask bag having leisure on guide plate 773, after Continuous rotation guide plate 773 is so that empty facial mask bag is fallen outside conveying mechanism 750.

Further, barrier plate 776 is additionally provided in the shaft 772, barrier plate 776 is installed in shaft 772 and direction Conveying mechanism 750 is arranged, and barrier plate 776 is located at the top of the conveying mechanism 750, and the facial mask bag equipped with face paper is fallen When the feed inlet of conveying mechanism 750, the facial mask bag equipped with face paper is under the barrier effect of barrier plate 776, without falling out Outside conveying mechanism 750, the facial mask bag equipped with face paper is avoided to fall out outside conveying mechanism 750.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of facial mask empty bag detection device, it is characterised in that: including rack, lever, detection piece, pressure roller and conveying mechanism, institute It states conveying mechanism and is installed in the rack and will convey along preset path facial mask bag, the pressure roller is along perpendicular to the default road The direction of diameter is placed on the conveyor surface of the conveying mechanism；

The lever is rotatably installed in the rack, and the lever is connected with the end of the pressure roller, the detection Part be installed in the rack and face described in lever end setting, the tie point of the pressure roller and the lever to the thick stick The distance of bar fulcrum is greater than the distance of corresponding points of the detection piece on the lever to the balance pivot.

2. facial mask empty bag detection device according to claim 1, it is characterised in that: the side of the rack is equipped with vertical cloth The upper end of the support rod set, the support rod is equipped with fixation hole；The side of the lever is equipped with connecting shaft, and the connecting shaft is logical Bearing is crossed to be installed in the fixation hole.

3. facial mask empty bag detection device according to claim 2, it is characterised in that: the connection of the pressure roller and the lever Point, the connecting shaft and the detection piece are sequentially arranged in the corresponding points on the lever along the length direction of the lever.

4. facial mask empty bag detection device according to claim 2, it is characterised in that: the connecting shaft, the pressure roller and institute The tie point and the detection piece for stating lever are sequentially arranged in the corresponding points on the lever along the length direction of the lever.

5. facial mask empty bag detection device according to any one of claims 1 to 4, it is characterised in that: the detection piece is light Electric transducer.

6. facial mask empty bag detection device according to any one of claims 1 to 4, it is characterised in that: the facial mask empty bag inspection Surveying device further includes fastener, sliding block and slide bar, and the lower end of the slide bar is fixedly installed in the side of the rack and vertically Setting, the slide block set are set on the slide bar, and the sliding block is connected with the end of the pressure roller, and the lever is equipped with strip Hole, the fastener pass through the strip hole and are connected with the sliding block.

7. facial mask empty bag detection device according to any one of claims 1 to 4, it is characterised in that: the side of the rack Equipped with lifting cylinder, the piston rod of the lifting cylinder is arranged upward, and discharging is provided on the piston rod of the lifting cylinder Hopper, the detection piece and the lifting cylinder are electrically connected, and feed back signal for will test when facial mask bag is empty bag To the lifting cylinder to control discharging hopper movement.

8. facial mask empty bag detection device according to any one of claims 1 to 4, it is characterised in that: the conveying mechanism packet Feeder motor, conveyer belt and two transmission shafts are included, two transmission shaft parallel interval settings simultaneously can be rotated with the rack Connection, the conveyer belt are set around on two transmission shafts, and the feeder motor passes through described in transmission mechanism and one of them Transmission shaft is connected.

9. facial mask empty bag detection device according to claim 8, it is characterised in that: the rack is equipped with support plate, institute It states support plate to be arranged in the conveyer belt, and the support plate is located at the underface of the pressure roller and is used to support the pressure Roller.

10. facial mask empty bag detection device according to any one of claims 1 to 4, it is characterised in that: the facial mask empty bag inspection Surveying device further includes mounting plate, shaft, guide plate, connecting rod and guide cylinder, and the mounting plate is installed on the side of the rack Portion is simultaneously located at the feed inlet of the conveying mechanism, and the guide plate is installed on the shaft and sets backwards to the conveying mechanism It sets, and the guide plate is located at the top of the conveying mechanism, the shaft is rotatably connected with the mounting plate, the guiding The cylinder body of cylinder is rotatably connected with the mounting plate, and the piston rod of the guide cylinder passes through the connecting rod and the shaft It is connected and is used to drive the guide plate rotation to reject empty facial mask bag.