CN112918130A - Double-sheet paper feeding detection device - Google Patents
Double-sheet paper feeding detection device Download PDFInfo
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- CN112918130A CN112918130A CN202110093929.3A CN202110093929A CN112918130A CN 112918130 A CN112918130 A CN 112918130A CN 202110093929 A CN202110093929 A CN 202110093929A CN 112918130 A CN112918130 A CN 112918130A
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- paper feeding
- air
- paper
- tunnel
- cylinder barrel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0045—Guides for printing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/006—Means for preventing paper jams or for facilitating their removal
Abstract
The invention relates to the technical field of printers, in particular to a double paper feeding detection device which comprises a base, a paper feeding frame, a paper feeding wheel, a paper feeding tunnel, conveying belts, a power supply and an air suction pump, wherein the paper feeding tunnel is arranged above the base, the two conveying belts are arranged in the paper feeding tunnel, when the number of conveyed paper is 1, the paper can be fed into the detection device through the double paper feeding by the second conveying belt, when the number of conveyed paper is 2, the excessive paper blocks a first vent hole in the first conveying belt, so that the first conveying belt is powered off to stop working, the number of the paper conveyed into the printer can be detected, when 2 pieces of paper are conveyed simultaneously, the double paper feeding detection device can automatically stop working, and the adverse effects of paper jamming phenomenon of the printer on the normal use and the service life of the printer are reduced.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a double-paper feeding detection device.
Background
A printer is one of the output devices of a computer for printing the results of a computer process on an associated medium. Printers are increasingly used with their advantages of convenience, quickness, etc., and are widely used in the office field. The paper jam of the printer is one of the common faults of the printer, although the paper jam is a small problem, the paper jam also has great influence on normal work, and if the paper jam phenomenon occurs in the printer for a long time, the paper jam phenomenon has adverse influence on normal use and service life of the printer.
Disclosure of Invention
The invention aims to provide a double paper feeding detection device which can detect the number of paper sheets fed into a printer and can automatically stop working when 2 paper sheets are fed simultaneously.
The problem of solving the paper jam of the printer will be described.
In order to achieve the above object, the present invention provides the following solutions:
the double-paper feeding detection device comprises a base, a paper feeding frame, a paper feeding wheel, a paper feeding tunnel, a conveying belt, a power supply and an air suction pump, wherein the paper feeding frame is arranged above the base, the paper feeding wheel is arranged on one surface of the paper feeding frame, which is far away from the base, the hollow cube paper feeding tunnel is arranged on one side, which is close to the paper feeding end, of the paper feeding frame, the first conveying belt is arranged inside the paper feeding tunnel, the conveying surface of the first conveying belt is provided with a plurality of first air vents, a first air suction groove is arranged inside the first conveying belt, the first air suction groove is fixedly connected with the side surface of the paper feeding tunnel through a first support, the first air suction pump is arranged inside the paper feeding tunnel, the first air suction pump is fixedly connected with the side wall of the first air suction groove, an air suction opening of the first air suction pump is connected with the first air suction groove through a first air suction pipe, the first air, a film made of rubber is arranged at the opening of the cylinder barrel, the edge of the film is fixedly connected with the edge of the opening of the cylinder barrel, a motor of the first conveyor belt is connected with the cylinder barrel through a second power supply live wire, the second power supply live wire penetrates through the side wall of the cylinder barrel and extends into the cylinder barrel, the cylinder barrel is connected with an external power supply through a first power supply live wire, the first power supply live wire penetrates through the side wall of the cylinder barrel and extends into the cylinder barrel, a conducting strip is arranged in the cylinder barrel and is connected with the film through a connecting rod, one end of the connecting rod, which is close to the conducting strip, is fixedly connected with the conducting strip, one end of the connecting rod, which is close to the film, is fixedly connected with the film, a second conveyor belt is arranged in the paper feeding tunnel and is positioned right above the first conveyor belt, a gap is, the edge of the opening of the second air exhaust groove is attached to the inner wall of one side, close to the ground, of the second conveying belt, a second air exhaust pump is arranged inside the paper feeding tunnel, the second air exhaust pump is provided with an air exhaust opening and an air outlet, the second air exhaust pump is fixedly connected with the side wall of the second air exhaust groove, and the air exhaust opening of the second air exhaust pump is connected with the second air exhaust groove through a second air exhaust pipe.
The principle of the technical scheme of the invention is as follows:
two conveyer belts are provided with to paper double feed detection device inside, and paper accessible second conveyer belt passes through paper double feed detection device when carrying paper quantity to be 1, and the paper that exceeds when carrying paper quantity to be 2 will plug up the first air vent on the first conveyer belt, leads to first conveyer belt outage and stop work.
The beneficial effect that this scheme produced lies in:
1. the double-paper feeding detection device can automatically stop working when detecting that the number of the conveyed paper is more than 1, so that the paper jamming phenomenon of the printer is prevented, and the service life is shortened.
2. After the double-sheet paper feeding detection device stops working, the worker only needs to pull the paper out of the double-sheet paper feeding detection device, the maintenance is simple, and the working efficiency of the worker is increased.
3. When the double-sheet paper is fed into the detection device, the structure of the double-sheet paper feeding detection device cannot be affected, so that the durability of the double-sheet paper feeding detection device is high, and the maintenance cost is reduced.
Furthermore, one side of the cylinder barrel, which is close to the bottom of the paper feeding tunnel, is provided with a check valve, and an exhaust hole with the diameter of 0.1mm-0.3mm is formed in the joint of the bottom of the cylinder barrel and the side wall of the cylinder barrel, so that the paper can be automatically returned to the working state after being fed into the detection device in a double-paper mode and redundant paper is extracted, the maintenance time is reduced, and the working efficiency of workers is improved.
Further, a second conveying shaft of the first conveying belt, which is close to one end of the paper feeding frame, is provided with a sun gear in the direction of the side wall of the paper feeding tunnel, the edge of the sun gear is provided with 4 planetary gears, the 4 planetary gears are meshed with the sun gear, the axes of the 4 planetary gears are connected through a hollow square planetary carrier, the planetary carrier is fixedly connected with the inner wall of the bottom surface of the paper feeding tunnel through a first fixed rod, one side, away from the sun gear, of each of the 4 planetary gears is provided with a gear ring, the gear ring is meshed with the 4 planetary gears, one side, close to the planetary gears, of the paper feeding wheel is provided with a driving wheel, the outer wall of the driving wheel is connected with the outer wall of the gear ring through a driving belt, the paper feeding wheel stops working simultaneously after the.
Furthermore, the end of the paper feeding frame, which is far away from the paper feeding tunnel, is hinged with the base, and the end of the paper feeding frame, which is close to the paper feeding tunnel, is connected with the base through a spring, so that the paper is more tightly attached to the paper feeding wheel, the paper feeding wheel is easier to convey the paper to the paper feeding tunnel, the fault probability is reduced, and the stability of the detection device for feeding the double paper sheets into the paper feeding device is improved.
Furthermore, the diameter of the first vent hole is 0mm-4mm, and the diameter of the second vent hole is 2mm-6mm, so that paper can be adsorbed on the surface of the second conveyor belt more easily, the failure rate of equipment is reduced, and the stability of the equipment is improved.
Furthermore, the gas outlet of second aspiration pump is equipped with the gas blow pipe of U type, gas blow pipe one end and the gas outlet fixed connection of second aspiration pump, and the one end that the second aspiration pump was kept away from to the gas blow pipe is towards the feed roller, makes the usable exhaust air of second aspiration pump working process lower the temperature to the feed roller, has reduced the trouble probability, has increased the stability that the detection device was sent into to two sheets of paper.
Drawings
Fig. 1 is a schematic cross-sectional view of embodiment 1 of the present invention.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
Fig. 3 is an enlarged view of part B of fig. 1.
Fig. 4 is an enlarged schematic view of part C of fig. 1.
Fig. 5 is a schematic side view of embodiment 1 of the present invention.
Detailed Description
The embodiment full text (see examples for a specific format) containing a list of reference numbers, which are divided by a pause number, is entered below. (after the copy is completed, click on any area outside the input box)
Reference numerals in the drawings of the specification include: the paper feeding device comprises a base 1, a paper feeding frame 2, a paper feeding wheel 3, a spring 4, a fixing frame 5, a baffle 6, a paper feeding tunnel 7, a first conveying belt 81, a second conveying belt 82, a first conveying shaft 91, a second conveying shaft 92, a motor 10, a first vent hole 111, a second vent hole 112, a first air suction groove 121, a second air suction groove 122, a first support 131, a first air suction pump 141, a second air suction pump 142, a first air suction pipe 151, a second air suction pipe 152, a first power supply 161, a second power supply 162, a cylinder 17, a check valve 18, a film 19, an air exhaust hole 20, a first power supply live wire 211, a second power supply live wire 212, a power supply zero wire 22, an external power supply 23, a conducting strip 24, a connecting rod 25, a first fixing rod 26, a sun gear 27, a planetary gear 28, a gear 29, a planet carrier 31, a transmission wheel 32, a transmission belt 33 and an.
Example 1:
the embodiment is basically as shown in the attached figures 1-5:
as shown in fig. 1-5, the double paper feeding detection device includes a base 1, a paper feeding frame 2, a paper feeding wheel 3, a paper feeding tunnel 7, a conveyor belt, a power supply, and an air pump (AC-a, model AC1008045a310, manufactured by sincere technologies ltd.), the paper feeding frame 2 is disposed above the base 1, one side of the paper feeding frame 2 is hinged to the base 1, one end of the paper feeding frame 2 hinged to the base 1 is a hinged end, the other side of the paper feeding frame 2 is connected to the base 1 through a spring 4, so that the base 1 moves away from the base 1 under the action of the spring 4, one end of the paper feeding frame 2 connected to the base 1 through the spring 4 is a paper feeding end, the paper feeding wheel 3 is disposed on a side of the paper feeding frame 2 away from the base 1, so that a space between the paper feeding wheel 3 and the paper feeding frame 2 can be filled with paper to be printed, a fixing frame 5 is disposed between the paper feeding wheel 3 and the surface, one end and the base 1 fixed connection that mount 5 is close to base 1, mount 5 is close to 3 one ends of feed roller and is rotated with feed roller 3 and be connected, make and send paper frame 2 can press from both sides the paper between sending paper frame 2 and feed roller 3 under the effect of spring 4, and can shift out the paper frame 2 that sends from the end of form advancing of frame 2 with the paper that send the paper that the 2 top surfaces of paper frame placed when making feed roller 3 rotate, it is equipped with baffle 6 to send paper frame 2 to be close to the articulated end of sending paper frame 2, baffle 6 and the one side fixed connection who keeps away from base 1, prevent to send the paper on the paper frame 2 from the articulated end landing of the frame 2 that form advancing.
As shown in fig. 1 to 5, a hollow cube paper feeding tunnel 7 is disposed on one side of the paper feeding frame 2 close to the paper feeding end, a first conveying belt 81 is disposed in the paper feeding tunnel 7, a conveying surface of the first conveying belt 81 is parallel to one side of the paper feeding wheel 3 close to the paper feeding frame 2, so that paper conveyed by the paper feeding wheel 3 can reach the conveying surface of the first conveying belt 81, a plurality of first vent holes 111 are disposed on the conveying surface of the first conveying belt 81, a first air pumping groove 121 is disposed inside the first conveying belt 81, the first air pumping groove 121 is fixedly connected with a side surface of the paper feeding tunnel 7 perpendicular to the ground through a first bracket 131, an opening edge of the first air pumping groove 121 is attached to an inner wall of the first conveying belt 81 on the side away from the ground, a first air pumping pump 141 is disposed inside the paper feeding tunnel 7, the first air pumping pump 141 is fixedly connected with a side wall of the first air pumping groove 121, an air pumping opening of the first air pumping groove 141 is connected, the first air pump 141 can pump the air in the first air pumping groove 121 to the outside of the first air pumping groove 121, the first power source 161 is disposed on the outer wall of the first air pumping groove 121, the first power source 161 is fixedly connected with the outer wall of the first air pumping groove 121, the first power source 161 can intermittently supply power to the first air pump 141, the first air pump 141 intermittently works, the negative pressure can be formed in the first air pumping groove 121 under the action of the first air pump 141 after the first vent hole 111 is blocked by paper, and the air can enter the first air pumping groove 121 from the joint of the inner wall of the first air pumping groove 121 and the inner wall of the first conveyor belt 81 on the side far from the ground after the first air pump 141 stops working.
As shown in fig. 3, a U-shaped cylinder 17 is disposed on the side of the first air-extracting groove 121 close to the bottom of the base 1, the opening of the cylinder 17 extends into the first air-extracting groove 121, the outer side wall of the cylinder 17 is fixedly connected with the contact surface of the bottom of the first air-extracting groove 121, a check valve 18 is disposed on the side of the cylinder 17 close to the bottom of the paper-feeding tunnel 7, so that air outside the cylinder 17 can enter the cylinder 17 through the check valve 18, a rubber film 19 is disposed on the opening of the cylinder 17, the edge of the film 19 is fixedly connected with the edge of the opening of the cylinder 17, when negative pressure is formed inside the first air-extracting groove 121, the film 19 is bulged towards the inside of the first air-extracting groove 121, an air vent 20 with a diameter of 0.2mm is disposed at the connection position of the bottom of the cylinder 17 and the side wall of the cylinder 17, after the air pressure in the first air-extracting groove 121 returns to normal pressure, the film 19 can be simultaneously restored, the time required for the resetting process of the film 19 can be prolonged due to the diameter of the vent hole 20 being 0.2mm, so that the film 19 is always deformed in the bulging state and the resetting state in the process of intermittently forming negative pressure inside the first air suction groove 121 under the action of the first air suction pump 141, and meanwhile, the film 19 can enable the second conveyor belt 82 to convey paper from one end of the paper feeding tunnel 7 close to the paper feeding frame 2 to the other end in the resetting process.
As shown in fig. 1-5, a first transmission shaft 91 of the first transmission belt 81 at an end far from the paper feeding frame 2 is engaged with the motor 10, so that the motor 10 drives the first transmission shaft 91 to transmit, so that the first transmission belt 81 can move the paper from the paper feeding frame 2 to the first transmission shaft 91, the motor 10 is connected with the external power supply 23 through a power supply neutral wire 22, the motor 10 is connected with the cylinder 17 through a second power supply live wire 212, the second power supply live wire 212 passes through the side wall of the cylinder 17 and extends into the cylinder 17, the cylinder 17 is connected with the external power supply 23 through the first power supply live wire 211, the first power supply live wire 211 passes through the side wall of the cylinder 17 and extends into the cylinder 17, a conductive sheet 24 is arranged inside the cylinder 17, the conductive sheet 24 is connected with the thin film 19 through a connecting rod 25, one end of the connecting rod 25 near the conductive sheet 24 is fixedly connected with the thin film 24, when the film 19 is in the normal pressure environment, the conducting strip 24 is attached to the first power supply live wire 211, and simultaneously, the conducting strip 24 is also attached to the second power supply live wire 212, so that the first power supply live wire 211 and the second power supply live wire 212 are conducted to enable the motor 10 to work normally, when the film 19 is bulged towards the inside of the first air exhaust groove 121, the conducting strip 24 is in a suspended state, at the moment, the first power supply live wire 211 and the second power supply live wire 212 are in an open circuit state, at the moment, the motor 10 stops working due to the fact that the motor 10 is not communicated with the external power supply 23, and therefore the motor 10 can be always in a stop working state after the first vent hole 111.
As shown in fig. 4, a second conveying shaft 92 of the first conveying belt 81 near one end of the paper feeding frame 2 is provided with a sun gear 27 towards the side wall of the paper feeding tunnel 7, the sun gear 27 is fixedly connected with the second conveying shaft 92, so that the second conveying shaft 92 can drive the sun gear 27 to rotate, the edge of the sun gear 27 is provided with 4 planet gears 28, the 4 planet gears 28 are meshed with the sun gear 27, the axes of the 4 planet gears 28 are connected through a hollow square planet carrier 31, the planet carrier 31 is fixedly connected with the inner wall of the bottom surface of the paper feeding tunnel 7 through a first fixing rod 26, one side of the 4 planet gears 28 far away from the sun gear 27 is provided with a ring gear 29, the ring gear 29 is meshed with the 4 planet gears 28, so that the sun gear 27, the planet gears 28, the planet carrier 31 and the ring gear 29 form a planet gear 28 structure, and the ring gear 29 rotates towards the opposite direction, the side of the feed roller 3 close to the planetary gear 28 is provided with a driving wheel 32, so that the feed roller 3 can be driven to rotate when the driving wheel 32 rotates, and the outer wall of the driving wheel 32 is connected with the outer wall of the gear ring 29 through a driving belt 33, so that the feed roller 3 can be driven to rotate when the gear ring 29 drives.
As shown in fig. 1-5, a second conveyor belt 82 is disposed inside the paper feeding tunnel 7, the second conveyor belt 82 includes a third conveyor shaft, a fourth conveyor shaft, a second conveyor belt, a second motor and a hollow square frame, one side of the frame away from the paper feeding frame is connected to the third conveyor shaft through a ball bearing, so that the third conveyor shaft rotates around one side of the frame away from the paper feeding frame, the third conveyor shaft is connected to the second motor so that the motor can drive the third conveyor shaft to rotate, one side of the frame close to the paper feeding frame is connected to the fourth conveyor shaft through a ball bearing, so that the fourth conveyor shaft rotates around one side of the frame close to the paper feeding frame, the third conveyor shaft is connected to the fourth conveyor shaft through a second conveyor belt, so that the third conveyor shaft can drive the second conveyor belt to rotate through the fourth conveyor shaft, a second fixing rod is disposed between the second conveyor belt and the inner wall of the top of the paper feeding tunnel 7, one end of a second fixed rod close to the inner wall of the paper feeding tunnel 7 is fixedly connected with the inner wall of the paper feeding tunnel 7, the second fixed rod is fixedly connected with a rack of a second conveyor belt 82 close to the second conveyor belt 82, so that the second conveyor belt 82 is positioned right above the first conveyor belt 81, meanwhile, a gap exists between the second conveyor belt 82 and the first conveyor belt 81, when paper moves from the paper feeding frame 2 to the paper feeding tunnel 7, the paper can enter the gap between the second conveyor belt 82 and the first conveyor belt, a plurality of second vent holes 112 are arranged on the conveying surface of the second conveyor belt 82, a second air suction groove 122 is arranged inside the second conveyor belt 82, the second air suction groove 122 is fixedly connected with the side surface of the paper feeding tunnel 7 vertical to the ground through a second support, the edge of the opening of the second air suction groove 122 is attached to the inner wall of the second conveyor belt 82 close to the ground, a second air suction pump 142 is arranged inside the paper feeding tunnel 7, and the second air suction pump 142, the air suction port of the second air suction pump 142 is connected with the second air suction groove 122 through a second air suction pipe 152, so that the second air suction pump 142 can suck the air in the second air suction groove 122 to the outside of the second air suction groove 122, the outer wall of the second air suction groove 122 is provided with a second power supply 162, the second power supply 162 is fixedly connected with the outer wall of the second air suction groove 122, the second power supply 162 can continuously supply power to the first air suction pump 141, so that the second air suction pump 142 continuously works, when the second vent hole 112 is blocked by the paper, the inside of the second air suction groove 122 can form negative pressure under the action of the second air suction pump 142, so that the paper is adsorbed on the surface of the second transmission belt, the air outlet of the second air suction pump 142 is provided with a U-shaped air blowing pipe 34, one end of the air blowing pipe 34 is fixedly connected with the air outlet of the second air suction pump 142, one end of the air blowing pipe 34 far away from the second air suction pump 142 faces the paper feeding wheel 3, so that the air discharged by the second air suction pump 142, the temperature of the paper feed roller 3 is lowered.
As shown in fig. 1-2, the diameter of the first vent hole 111 is 2mm, the diameter of the second vent hole 112 is 4mm, so that the suction force of the first vent hole 111 is greater than the suction force of the second vent hole 112, and after the second air pump 142 sucks the paper on the surface of the second conveyor belt 82 through the second vent hole 112, the paper is sucked more firmly.
The specific implementation process is as follows:
the staff puts the paper that will wait to print on the frame 2 that form advances, and the paper on the frame 2 that form advances moves to the tunnel 7 direction of form advancing and gets into the clearance between first conveyer belt 81 and the second conveyer belt under the effect of feed roller 3, and the air that second aspiration pump 142 discharged at this moment passes through gas blow pipe 34 and discharges to feed roller 3 to cool down feed roller 3.
When the number of the paper entering between the first conveyor belt 81 and the second conveyor belt is 1, the paper is attached to the surface of the first conveyor belt under the action of gravity, when the first air suction pump 141 stops working, the paper is adsorbed on the surface of the second conveyor belt through the second air vent 112 by the second air suction pump 142, and the paper moves towards one end of the paper feeding tunnel 7 far away from the paper feeding rack 2 and passes through the paper feeding tunnel 7 under the action of the conveyor belt.
When the number of the paper entering between the first conveyor belt 81 and the second conveyor belt is 2, the paper is attached to the surface of the first conveyor belt under the action of gravity, the paper close to the second conveyor belt 82 is adsorbed on the surface of the second conveyor belt through the second vent holes 112 by the second air suction pump 142, the paper close to the first conveyor belt 81 is adsorbed on the surface of the first conveyor belt 81 through the first vent holes 111 by the first air suction pump 141, the paper close to the first conveyor belt 81 moves towards one end of the paper feed tunnel 7 away from the fixed frame 5 under the action of the conveyor belt, negative pressure is formed inside the first air suction groove 121 after the paper blocks the first vent holes 111 above the first air suction groove 121, air is sucked into the cylinder 17 from the outside of the cylinder 17 through the check valve 18 after the negative pressure is formed, the film 19 is reset due to the material property of the film when the first air suction pump 141 stops working, and the air inside the cylinder 17 is discharged out of the cylinder 17 through the vent holes 20 during the reset process of the, the diameter of the exhaust hole 20 is 0.2mm, so that the reset time of the film 19 can be prolonged, the film 19 is deformed between the swelling and the reset in the intermittent operation process of the first air suction pump 141, the first power supply live wire 211 and the second power supply live wire 212 are in an off state, the motor 10 is always in a stop state during the period that the paper blocks the first vent hole 111 above the first air suction groove 121, and the second transmission shaft 92 stops rotating after the motor 10 stops operating, so that the paper feeding wheel 3 stops rotating, and the paper of the paper feeding frame 2 stops moving towards the paper feeding tunnel 7.
After the paper on the surface of the second conveyor belt 82 passes through the paper feeding tunnel 7, the second air pump 142 generates an adsorption force to the paper on the surface of the first conveyor belt 81 through the second air vent 112, when the first suction pump 141 stops operating, the first suction pump 141 stops generating suction force to the sheet, and at this time, the second suction pump 142 sucks the sheet to the surface of the second conveyor belt 82 through the second air vent 112, when the second conveyor belt 82 conveys the paper out of the paper feeding tunnel 7, the film 19 starts to be slowly reset under the action of the material property of the film due to the recovery of the normal pressure in the first air exhaust groove 121, when the paper leaves the second conveyor belt 82, the film 19 is reset and the first power line and the second power line 212 are conducted, at this time, the motor 10 starts to operate and drives the feeding wheel 3 to rotate through the second conveyor shaft 92, and the paper continues to move towards the paper feeding tunnel 7 during the rotation of the feeding wheel 3.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. Two detection device that send into of paper, including the base, send paper frame, feed roller, the tunnel of form advancing, conveyer belt, power, aspiration pump, its characterized in that: a paper feeding frame is arranged above the base, a paper feeding wheel is arranged on one side of the paper feeding frame far away from the base, a hollow cube paper feeding tunnel is arranged on one side of the paper feeding frame near the paper feeding end, a first conveying belt is arranged inside the paper feeding tunnel, a plurality of first vent holes are arranged on the conveying surface of the first conveying belt, a first air pumping groove is arranged inside the first conveying belt, the first air pumping groove is fixedly connected with the side surface of the paper feeding tunnel through a first support, a first air pumping pump is arranged inside the paper feeding tunnel, the first air pumping pump is fixedly connected with the side wall of the first air pumping groove, an air pumping port of the first air pumping pump is connected with the first air pumping groove through a first air pumping pipe, the first air pumping pump can work intermittently, a U-shaped cylinder barrel is arranged on the side surface of the first air pumping groove near the bottom of the base, a rubber film is arranged at the opening of the cylinder barrel, the edge is fixedly connected with the opening, the second power supply live wire penetrates through the side wall of the cylinder barrel and extends into the cylinder barrel, the cylinder barrel is connected with an external power supply through the first power supply live wire, the first power supply live wire penetrates through the side wall of the cylinder barrel and extends into the cylinder barrel, a conducting piece is arranged in the cylinder barrel and is connected with the film through a connecting rod, one end, close to the conducting piece, of the connecting rod is fixedly connected with the conducting piece, one end, close to the film, of the connecting rod is fixedly connected with the film, a second conveying belt is arranged in the paper feeding tunnel and is positioned right above the first conveying belt, a gap is formed between the second conveying belt and the first conveying belt, a plurality of second vent holes are formed in the conveying surface of the second conveying belt, a second air pumping groove is formed in the second conveying belt, the edge of the opening of the second air pumping groove is attached to the inner wall, close to the ground, the second air pump is fixedly connected with the side wall of the second air exhaust groove, and an air exhaust opening of the second air pump is connected with the second air exhaust groove through a second air exhaust pipe.
2. The double sheet feeding detection apparatus according to claim 1, characterized in that: one side of the cylinder barrel, which is close to the bottom of the paper feeding tunnel, is provided with a check valve, and the joint of the bottom of the cylinder barrel and the side wall of the cylinder barrel is provided with an exhaust hole with the diameter of 0.1mm-0.3 mm.
3. The double sheet feeding detection apparatus according to claim 1, characterized in that: second conveying shaft that first conveyer belt is close to frame one end of form advancing is equipped with sun gear to tunnel lateral wall direction of form advancing, the sun gear edge is equipped with 4 planetary gear, 4 planetary gear and sun gear meshing, 4 planetary gear's axle center is connected through the planet carrier of cavity square, the planet carrier passes through first dead lever fixed connection with tunnel bottom surface inner wall of form advancing, 4 planetary gear keeps away from sun gear one side and is equipped with the ring gear, ring gear and 4 planetary gear meshing, the feed pulley is close to planetary gear one side and is equipped with the drive wheel, drive wheel outer wall and ring gear outer wall pass through driving belt and connect.
4. The double sheet feeding detection apparatus according to claim 1, characterized in that: the end of the paper feeding frame far away from the paper feeding tunnel is hinged with the base, and the end of the paper feeding frame close to the paper feeding tunnel is connected with the base through a spring.
5. The double sheet feeding detection apparatus according to claim 1, characterized in that: the diameter of the first vent hole is 0mm-4mm, and the diameter of the second vent hole is 2mm-6 mm.
6. The double sheet feeding detection apparatus according to claim 1, characterized in that: and a U-shaped air blowing pipe is arranged at the air outlet of the second air pump, one end of the air blowing pipe is fixedly connected with the air outlet of the second air pump, and one end, far away from the second air pump, of the air blowing pipe faces the paper feeding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093929.3A CN112918130B (en) | 2021-01-22 | 2021-01-22 | Double-sheet paper feeding detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093929.3A CN112918130B (en) | 2021-01-22 | 2021-01-22 | Double-sheet paper feeding detection device |
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| Publication Number | Publication Date |
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| CN112918130A true CN112918130A (en) | 2021-06-08 |
| CN112918130B CN112918130B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110093929.3A Active CN112918130B (en) | 2021-01-22 | 2021-01-22 | Double-sheet paper feeding detection device |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112918130B (en) | 2022-06-28 |
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