CN109850551B

CN109850551B - Unqualified product blevile of push that books conveyer belt equipment used

Info

Publication number: CN109850551B
Application number: CN201910286005.8A
Authority: CN
Inventors: 曾凡平
Original assignee: Shenzhen Hongbiaodian Technology Co ltd
Current assignee: Shenzhen Hongbiaodian Technology Co ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2023-04-14
Anticipated expiration: 2039-04-10
Also published as: CN109850551A

Abstract

The utility model provides a nonconforming material pushing device that books conveyer belt equipment used, including the air compressor machine, the solenoid valve, the cylinder, switching power supply, bee calling organ, infrared photoelectric switch, the time circuit, the cylinder is installed on the support frame, there is the push pedal piston rod left side front end of cylinder, fixed internal thread pipe has still been had, movable support plate, the right side rear end at the frame is installed to the lower part of fixed internal thread pipe, movable support plate installs the upper end at fixed internal thread pipe, fixed mounting is in the same place between the lower extreme on two sets of infrared photoelectric switch's the casing, the one set of infrared photoelectric switch of lower extreme is installed in movable support plate upper end, switching power supply, bee calling organ, time circuit installs in the component box, and be connected through the wire with the solenoid valve. Under the condition that few books are loaded and neglected in the bundled books, the square push plate at the front side end of the piston rod of the air cylinder can quickly move to push the unqualified bundled books down from the conveying belt and simultaneously give out a warning sound prompt, so that the few books and neglected books can be prevented from entering the next procedure.

Description

Unqualified product blevile of push that books conveyer belt equipment used

Technical Field

The invention relates to the field of corollary equipment of book printing and publishing facilities, in particular to a unqualified product pushing device used by book conveying belt equipment.

Background

In the field of book printing and publishing and the field of book logistics and warehousing, a plurality of books are required to be packed into bundles respectively, and then are conveyed to terminal transfer equipment through book assembly line conveyor belt equipment (the transfer equipment is generally a conveyor which is transversely arranged at the tail end of a conveyor belt of the assembly line conveyor belt equipment, the tail end of the conveyor belt continuously falls into the bundled books and falls onto a circulating transfer conveyor belt of the conveyor, the conveyor is controlled by a control circuit, the circulating transfer conveyor belt transversely moves to stack the books to convey to a side end, an operator conveys the books at the side end to a trolley, then conveys the books in the bundle to a warehouse or directly goes out of the warehouse, and meanwhile, the books on the conveyor belt continuously fall into the empty space on the circulating transfer conveyor belt of the warehousing conveyor) to be subjected to logistics or ex-warehouse. Under the actual condition, the operation negligence of workers is influenced, and some books are not packaged or neglected to be packaged after being bundled, so that certain loss is brought to a terminal purchasing customer, and inconvenience is brought to a production party due to less books and subsequent replenishment and delivery. Based on the above, it is particularly necessary to provide a device capable of effectively detecting the height of the bundled books on the conveying belt of the assembly line conveying belt equipment, and further detecting whether the number of the bundled books is enough.

Disclosure of Invention

In order to overcome the defects that a plurality of books are respectively packaged into bundles and then are conveyed to terminal transfer equipment through assembly line conveyor belt equipment, the phenomena of few loading and missing loading of the books after the bundles are formed are caused under the influence of careless operation of workers and the like when the books are conveyed to the terminal transfer equipment, the invention provides the unqualified book pushing device which is used by the book conveyor belt equipment and can effectively prevent the books with few loading and missing loading from entering the next process, wherein under the combined action of related parts, a square push plate at the front side end of a piston rod of an air cylinder can quickly act to push the unqualified books from the conveyor belt of an assembly line conveyor belt equipment body and simultaneously send out warning sound to prompt an operator when the books with few loading and missing loading are conveyed to the terminal transfer equipment after the bundles are packaged into a group under the combined action of two groups of infrared photoelectric switches.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a rejected product pushing device used for book conveying belt equipment comprises an air compressor, an electromagnetic valve, an air cylinder, a switching power supply, a buzzer, an infrared photoelectric switch and a time circuit, and is characterized in that the left side of the tail end of a frame of a book assembly line conveying belt equipment body is provided with an opening, the lower end of the left side of the opening is fixedly provided with an inclined conveying plate, a supporting frame is arranged opposite to the opening, the air cylinder is arranged on the supporting frame, the left front side end of a piston rod of the air cylinder is fixedly provided with a push plate, the rejected product pushing device also comprises a fixed internal thread pipe and a movable supporting plate, the middle part of the lower end of the movable supporting plate is fixedly provided with a screw rod, the lower part of the fixed internal thread pipe is fixedly arranged at the rear end of the right side of the frame and is arranged at the front end of the air cylinder, the movable supporting plate is arranged at the upper end of the fixed internal thread pipe, two sets of infrared photoelectric switches are respectively arranged in a shell, the two sets of infrared photoelectric switches are fixedly arranged together between the upper end and the lower end of the shell, the casing fixed mounting of one set of infrared photoelectric switch of lower extreme is in the upper end of movable support plate, switching power supply, bee calling organ, time circuit installation is in the component box, the component box is installed in the electrical control box of books assembly line conveyer belt equipment body, switching power supply's power input end and 220V alternating current power supply pass through the wire and connect, switching power supply's power output end and first set of infrared photoelectric switch's power input both ends and second set of infrared photoelectric switch's two control power input ends are connected through the wire respectively, first set of infrared photoelectric switch's positive pole power output end and second set of infrared photoelectric switch positive pole power input end are connected through the wire, switching power supply's negative pole power output end and second set of infrared photoelectric switch negative pole power input end are connected through the wire, second set of infrared photoelectric switch's two way power output ends and two sets of time circuit's power input both ends are connected through the wire respectively The two ends of the power supply output of the first set of time circuit are respectively connected with the two ends of the power supply input of the first electromagnetic valve and the two ends of the power supply input of the buzzer through wires, and the two ends of the power supply output of the second set of time circuit are respectively connected with the two ends of the power supply input of the second electromagnetic valve through wires.

The width is greater than the width around the books behind the bundle around the terminal left side opening of frame of books assembly line conveyer belt equipment body, and the certain distance is separated on the lower extreme of push pedal and the conveyer belt of books assembly line conveyer belt equipment body, and push pedal and opening are in a straight line face to face state, and two sets of infrared photoelectric switch's detecting head and the left side of frame are in a straight line face to face state, and the front side of square push pedal leans on preceding than fixed internal thread pipe position, and fixed internal thread pipe is located square push pedal front end right side.

The switching power supply is a switching power supply module for converting Alternating Current (AC) 220V into Direct Current (DC).

The two sets of infrared photoelectric switches have the same structure and are reflection type photoelectric switches.

The second set of infrared photoelectric switch is located the upper end of the first set of infrared photoelectric switch, the second set of photoelectric switch is still matched with a relay, the relay is installed in the element box, the positive power input end of the second set of photoelectric switch and the positive control power input end of the relay are connected through a wire, the positive power output end of the second set of photoelectric switch and the positive power input end of the relay are connected through a wire, and the negative power input end of the second set of photoelectric switch and the negative power input end of the relay and the negative control power input end of the relay are connected through a wire.

The two sets of time circuits have the same structure and are microcomputer time control switches.

The invention has the beneficial effects that: the height of the two sets of infrared photoelectric switches is adjusted before the book bundling device is used, so that the highest point of the book just shields all infrared rays emitted by a detecting head of the second set of infrared photoelectric switches when the upper end of the book bundled in the batch passes between the two sets of infrared photoelectric switches. When the books are packaged into a bundle, the books circulate through two sets of infrared photoelectric switches, the first set of infrared photoelectric switches can enable the second set of infrared photoelectric switches to be powered on for working, if the books cannot reach the set height after the bundle is packaged, namely under the conditions of few books and neglected loading in the bundled books, the highest point of the books cannot shield the infrared light emitted by the detecting head of the second set of infrared photoelectric switches, at the moment, the second set of infrared photoelectric switches can enable two sets of time circuits to respectively output power for a certain time to enter the two electromagnetic valve power supply input ends matched with the air cylinder, further, a push plate at the front side end of a piston rod of the air cylinder can rapidly act to push the unqualified bundled books down from the conveying belt of the assembly line conveying belt device body, and the bundled books fall on the ground (a buffer rubber cushion on the ground in advance) through a conveying plate, and meanwhile, a warning sound is sent by a beeper to prompt operators, so that the purposes of preventing the books from being loaded less and neglected loading from entering the next procedure can be effectively achieved. Based on the above, the invention has good application prospect.

Drawings

The invention is further illustrated below with reference to the figures and examples.

Fig. 1 is a schematic structural view between the present invention and a book line conveyor apparatus body.

FIG. 2 is a schematic view of the structure of the fixed internally threaded tube and the movable support plate of the present invention.

Fig. 3 is a circuit diagram of the present invention.

Detailed Description

As shown in figures 1 and 2, a rejected product pushing device used for book conveyor belt equipment comprises an air compressor, electromagnetic valves, an air cylinder 1, a switching power supply 2, a buzzer 3, infrared

photoelectric switches

41 and 42 and

time circuits

51 and 52, wherein two exhaust pipes of the air compressor are respectively connected with one end air inlet pipe of the two electromagnetic valves through air hoses, one exhaust pipe of the two electromagnetic valves is respectively connected with an air inlet pipe and an exhaust pipe at the front end and the rear end of a cylinder barrel of the air cylinder 1 through one air hose, the two electromagnetic valves are fixedly arranged at the right lower side of the tail end of a frame 65 of the book assembly line conveyor belt equipment body 6 through screw nuts, an opening 61 is arranged at the left side of the tail end of the frame 65 of the book assembly line conveyor belt equipment body, the lower end of the opening 61 is lower than a conveyor belt 62 of the book assembly line conveyor belt equipment body, an inclined conveyor plate 63 is welded at the lower end of the left side of the book assembly line conveyor belt equipment body frame at the opening 61, the lower end of the conveyor plate 63 is close to the ground, a support frame 64 is arranged at the right side of the book assembly line conveyor belt equipment body frame opposite to the opening 61, the lower end of the air cylinder 1 transversely passes through the screw nuts, a square push plate 101 is arranged at the front left front end of a piston rod 102 of the air cylinder, a movable push plate 7 fixed at the right end of the book assembly line conveyor belt supporting plate 7 fixed at the right end of the fixed on the book assembly line conveyor belt 7 of the book assembly line, a movable screw pipe, a support plate 7 fixed at the middle support plate 7 of the inner screw pipe of the book assembly line, a movable screw pipe 7 fixed at the inner screw nut fixed plate 7, and a support plate 7 fixed at the middle end of the inner screw pipe 7 fixed plate 7, the inner screw pipe 7 fixed at the inner screw pipe 7, the inner screw pipe fixed plate 7 fixed at the inner screw pipe through a fixed plate at the inner screw rod support plate 7, two sets of infrared

photoelectric switches

41 and 42 are respectively installed in a square shell 10, detecting heads of the two sets of infrared

photoelectric switches

41 and 42 are respectively positioned outside an opening in the middle of the outer side of the left end of the two square shells 10, the upper end and the lower end of the shells of the two sets of infrared

photoelectric switches

41 and 42 are connected together through glue, the shell of the lower end of the one set of infrared photoelectric switch 41 is installed at the upper end of a movable supporting plate 8, a switching power supply 2, a buzzer 3, a time circuit 51 and a time circuit 52 are installed in an element box 9, and the element box 9 is installed in an electric control box of a body 1 of the book assembly line conveying belt equipment body 1. The emitting heads of the two sets of infrared

photoelectric switches

41 and 42 are spaced by 8cm from each other.

As shown in fig. 1 and 2, the front-back width of the opening 61 on the left side of the end of the frame of the book assembly line conveyor belt device body 6 is greater than the front-back width of the bundled books 11, a certain distance (1 cm) is formed between the lower end of the push plate 101 and the conveyor belt 62 of the book assembly line conveyor belt device body, the push plate 101 and the opening 61 are in a state of facing a straight line, the detection heads 43 of two sets of infrared photoelectric switches and the left side of the frame 65 of the book assembly line conveyor belt device body are in a state of facing a straight line, the front side of the square push plate 101 is closer to the front side than the fixed internal thread tube 7, and the fixed internal thread tube 7 is located on the right side of the front end of the square push plate 101.

As shown in fig. 3, the electromagnetic valves DC1 and DC2 are electromagnetic valves with working voltage of 12V and brand positive department, when the electromagnetic coil is powered on, the compressed air entering from the air inlet pipe at one end enters the cylinder barrel of the cylinder through one of the exhaust pipes at the other end, when the electromagnetic coil is powered off, the air inlet pipe and one of the exhaust pipes are in a closed state, and the compressed air in the cylinder is exhausted through the other exhaust pipe at the other end of the electromagnetic valve. The switching power supply A1 is a finished product of a switching power supply module which is manufactured by ELECALL and S-120-12, converts alternating current 220V into direct current 12V, and is provided with two power

supply input ends

1 and 2 pins, two power

supply output ends

3 and 4 pins and power of 200W. The buzzer B is a 12V active continuous sound alarm of the Pingyuan. The two sets of infrared photoelectric switches A2 and A3 have the same structure, are reflective photoelectric switch finished products of a CHUNZ/CenZ integral type and an E3F-DS30C4 type, have two

power input ends

1 and 2 pins and a power output end 3 pin, the working voltage is direct current 12V, the reflective photoelectric switch finished products can work in two modes according to the type selection of needs, the first mode is that infrared light emitted by a front end detection head in a straight line of a transmitting head after the photoelectric switch finished products are electrified is blocked by an article and returns to the article and is received by a photoelectric receiving head of the detection head, then 3 pins of the power output end of the finished photoelectric switch product output end output high level signals, the output current is 300mA, the infrared light emitted by the emitting head is not blocked by the object, the 3 pins of the finished photoelectric switch product power output end do not output high level signals under the action of the internal circuit of the finished photoelectric switch product, secondly, after the finished photoelectric switch product is electrified, the infrared light emitted by the front end detecting head in the straight line of the emitting head is blocked by the object and returns, and after the infrared light is received by the photoelectric receiving head of the detecting head, the finished product power output end of the photoelectric switch does not output a high level signal by 3 pins, infrared rays emitted by the emitting head are not blocked by articles, under the action of an internal circuit of the finished product photoelectric switch, the finished product power output end of the photoelectric switch outputs the high level signal by 3 pins, the first set of finished product photoelectric switch A2 works in a first mode, the second set of finished product photoelectric switch A3 works in a second mode, an adjusting knob is arranged at the rear end of a shell of the finished product photoelectric switch, the detection distance of the detection head of the finished product photoelectric switch is increased after the photoelectric switch is adjusted leftwards, the articles with the distance of 70 cm can be detected furthest, the detection distance of the finished product photoelectric switch is decreased after the photoelectric switch is adjusted rightwards, and the detection distance of the detection head is adjusted to be about 50 cm (the width of a conveying belt is about 60 cm). The second set of infrared photoelectric switch A3 is located first set of infrared photoelectric switch A2's upper end, second set of photoelectric switch A3 still is supporting has a relay J1, relay J1 installs in the component box, second set of photoelectric switch A3's anodal power input end 1 foot and relay J1 positive pole control power input end are connected through the wire, second set of photoelectric switch A3's anodal power output end 3 feet and relay J1 positive pole power input end are connected through the wire, second set of photoelectric switch A3's negative pole power input end 2 feet and relay J1 negative pole power input end and negative pole control power input end are connected through the wire. Two sets of time circuits A4 and A5 are consistent in structure, are finished products of microcomputer time control switches of the brand CHNT/Zhengtai and the model KG316T, and are provided with two 12V

power input ends

1 and 2 pins, two

power output ends

3 and 4 pins, a liquid crystal display screen and a plurality of operation keys, wherein the operation keys are respectively a cancel/recovery key, a time correction key, a week correction key, an automatic/manual key, a timing key and a clock key.

As shown in fig. 3,

power input ends

1 and 2 of a switch power supply A1 are connected with a 220V alternating current power supply through leads,

power output ends

3 and 4 of the switch power supply A1 are connected with

power input ends

1 and 2 of a first set of infrared photoelectric switch A2 and two control power input ends of a relay J1 of a second set of infrared photoelectric switch A3 through leads, a positive power output end 3 of the first set of infrared photoelectric switch A2 is connected with a positive power input end 1 of the second set of infrared photoelectric switch A3 through a lead, a negative power output end 4 of the switch power supply A1 is connected with a negative power input end 2 of the second set of infrared photoelectric switch A3 through a lead, two normally open contact ends of the relay J1 of the power output end of the second set of infrared photoelectric switch are connected with two sets of time circuits A4,

power input ends

1 and 2 of A5 are connected with leads, two

power output ends

3 and 4 of the first set of time circuit A4 are connected with a first electromagnetic valve DC1 and two power input ends of a buzzer B through leads, and two power output ends of the second set of time circuit A5 are connected with two paths of DC input ends of a solenoid valves through leads.

Fig. 1, 2, and 3 show, after 220V alternating current power supply got into switching power supply A1's power input both

ends

1 and 2 feet, switching power supply A1 was under its internal circuit effect, its 3 and 4 feet can export stable 12V direct current power supply and get into first set of infrared ray photoelectric switch A2's power input both

ends

1 and 2 feet to and two control power input of relay J1 of second set of infrared ray photoelectric switch A3, first set of infrared ray photoelectric switch A2, two control power input of relay J1 of second set of infrared ray photoelectric switch A3 are in the operating condition that gets electric. The height of the two sets of infrared

photoelectric switches

41 and 42 is adjusted according to the normal height of the packaged books 11 before use, so that the upper ends of the books 11 packaged in a batch into a bundle pass between the two sets of infrared

photoelectric switches

41 and 42, and the highest point of the books 11 just shields infrared light emitted by a detecting head of the second set of infrared photoelectric switches 42; when adjusting in with hand (hold) 8 lower extreme middle part screw rod 81 external screw thread along the internal thread of fixed internal thread pipe 7 rotation downwards, the height step-down of activity backup pad 8, and then two sets of infrared ray

photoelectric switch

41 and 42 height step-down, when activity backup pad lower extreme middle part screw rod 81 external screw thread along the internal thread of fixed internal thread pipe 7 rotation upwards, the height of activity backup pad 8 uprises, and then two sets of infrared ray

photoelectric switch

41 and 42 height uprises, reach needs high back, the operator screws lock nut on the screw rod 81, lock nut lower extreme and fixed internal thread pipe 7 upper end in close contact with, adjust the back like this, activity backup pad can not self rotate and cause two sets of infrared ray

photoelectric switch

41 and 42 to turn to. In use, the last process workman constantly packs a plurality of books 11 into a plurality of bundles respectively, then carry the terminal transfer equipment through the conveyer belt 62 of books assembly line conveyer belt equipment body 6, when carrying out logistics storage or leaving warehouse, book 11 circulates through two sets of infrared ray photoelectric switch A2 on the conveyer belt 62 of books assembly line conveyer belt equipment body 6 after packing into the bundle, (infrared ray photoelectric switch A3 is in the outage state at this moment) infrared ray photoelectric switch A2's the infrared ray of detecting head straight line is blocked the back, under infrared ray photoelectric switch A2's internal circuit effect, infrared ray photoelectric switch A2's 3 feet can synchronous output high level get into infrared ray photoelectric switch A3's 1 foot, then, infrared ray photoelectric switch A3 can obtain electric work. After the infrared photoelectric switch A3 is powered on to work, under an internal circuit of the infrared photoelectric switch A3, if the height of a bundled book is enough, namely when a worker does not leak and pack the book, the uppermost end of the book can block infrared light emitted by a detecting head of the infrared photoelectric switch A3, and under the action of the internal circuit of the infrared photoelectric switch A3, 3 feet of the infrared photoelectric switch A3 do not output power; if the height of the bundled books is not enough, namely when the books are not packaged by workers, the uppermost end of the bundled books does not block infrared light emitted by an infrared photoelectric switch A3 detection head any more due to height reduction, under the action of an internal circuit of the infrared photoelectric switch A3, A3-pin output high level of the infrared photoelectric switch A3 enters an anode power supply input end of a relay J1, then, the relay J1 is electrified to attract two control power supply input ends and two normally open contact ends of the relay J1 to be closed respectively, the anode control power supply input end of the relay J1 is communicated with 3 pins of a switching power supply A1, a cathode control power supply input end and a cathode power supply input end of the relay J1 are communicated with 4 pins of the switching power supply A1, the two normally open contact ends of the relay J1 are connected with two power

supply input ends

1 and 2 pins of two sets of time circuits A4 and A5 through leads respectively, and at the moment, the two sets of time circuits A4 and A5 can be in an electrified working state at the same time. After the two sets of time circuits A4 and A5 are powered on to work, the time circuit A4 is under the internal circuit and the output time set by a technician, the

pins

3 and 4 of the electromagnetic valve output power for 2 seconds at an interval of 0.5 second and enter the two ends of the power input ends of the first electromagnetic valve DC1 and the buzzer B, so that the first electromagnetic valve DC1 and the buzzer B are in a power-on working state (the sounding of the buzzer B can prompt peripheral operators that the height of a bundle of books 11 is not enough and the books 11 pushed down subsequently are repackaged), after the first electromagnetic valve DC1 is powered on to work, the compressed air entering from the air inlet pipe at one end through the air compressor enters the inner part of the rear side of the cylinder barrel of the air cylinder 1 from one exhaust pipe at the other end, so that the piston rod 102 of the air cylinder 1 rapidly moves towards the left front side, the compressed air in the front end of the cylinder barrel of the air cylinder is exhausted from the other exhaust pipe at the other end of the second electromagnetic valve DC2, meanwhile, the piston rod drives the push plate 101 to move rapidly towards the left side, and before the piston rod drives the push plate 101 to move rapidly towards the left side, books 11 with insufficient height can continue to move on the conveyer belt 62 of the book assembly line conveyer belt equipment body 6 towards the tail end of the book assembly line conveyer belt equipment body 6, and after 0.5 second, the middle part of the right side of the bundled books 11 is just positioned at the left side part of the push plate 101, so that, when a piston rod of the cylinder 1 drives the push plate 101 to rapidly move towards the left side, the push plate 101 can rapidly push the books 11 in a bundle out of the conveyor belt 62 of the book assembly line conveyor belt equipment body 6 and the opening 61 at the left side of the tail end of the frame, the books slide on the ground through the inclined conveyor plate 63 at the left side of the frame, a buffer (a rubber pad and the like) is arranged on the ground, the frame of the book assembly line conveyor belt equipment body 6 is not high, and the books 11 in a bundle can not be broken; a piston rod of the air cylinder drives the push plate 101 to move to the left side to a stop point, and the distance between the push plate and the left side of the upper end of the frame is only 4 cm, so that books can be effectively pushed into the opening 61 and then fall underground; after 2 seconds, the output power of the

pins

3 and 4 of the time circuit A4 is stopped, and the first electromagnetic air valve DC1 is not operated after power failure. After the two sets of time circuits A4 and A5 are powered on to work, the time circuit A5 outputs 2 seconds of power supply to enter two input ends of a DC power supply of a second electromagnetic valve at intervals of 3 seconds and 4 feet of the time circuit A5 under the output time set by a technician, then the second electromagnetic valve DC2 is in a powered on working state, after the second electromagnetic valve DC2 is powered on to work, compressed air entering from an air inlet pipe at one end through an air compressor can enter the inside of the front side of a cylinder barrel of the air cylinder 1 from one exhaust pipe at the other end, then a piston rod of the air cylinder 1 drives the push plate 101 to rapidly move backwards to return to an initial position, and the compressed air in the rear end of the cylinder barrel of the air cylinder is discharged through the other exhaust pipe at the other end of the first electromagnetic valve DC1 to prepare for pushing unqualified bundled books next time. In the invention, no book passes through the two sets of infrared photoelectric switches A2 and A3, and as the first set of infrared photoelectric switch A2 does not output power and enters the second set of infrared photoelectric switch A3, the subsequent second set of infrared photoelectric switch A3, the two sets of time circuits A4 and A5 and the push plate 101 do not work. In the invention, in the fields of book printing and publishing and book logistics storage, the height of a packaged book is generally not high, and unqualified books can be effectively pushed down to slide to the ground by the cylinder and the push plate 101; the interval running speed between every two bundles of books is more than 5 seconds, and under extreme conditions, even if the two adjacent bundles of books are not high enough, the books can be pushed down, and the normal work can be ensured. In FIG. 2, relay J1 is model SMI-12VDC-SD-2C, having two power input terminals, two sets of control power input contacts, two normally open contact terminals, and two normally closed contact terminals, which in this embodiment are not used.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A rejected product pushing device used for book conveying belt equipment comprises an air compressor, an electromagnetic valve, an air cylinder, a switching power supply, a buzzer, an infrared photoelectric switch and a time circuit, and is characterized in that the left side of the tail end of a frame of a book assembly line conveying belt equipment body is provided with an opening, the lower end of the left side of the opening is fixedly provided with an inclined conveying plate, a supporting frame is arranged opposite to the opening, the air cylinder is arranged on the supporting frame, the left front side end of a piston rod of the air cylinder is fixedly provided with a push plate, the rejected product pushing device also comprises a fixed internal thread pipe and a movable supporting plate, the middle part of the lower end of the movable supporting plate is fixedly provided with a screw rod, the lower part of the fixed internal thread pipe is fixedly arranged at the rear end of the right side of the frame and is arranged at the front end of the air cylinder, the movable supporting plate is arranged at the upper end of the fixed internal thread pipe, and two sets of infrared photoelectric switches are respectively arranged in a shell, the upper end and the lower end of the shell of two sets of infrared photoelectric switches are fixedly installed together, the shell of one set of infrared photoelectric switch at the lower end is fixedly installed at the upper end of the movable supporting plate, a switching power supply, a buzzer and a time circuit are installed in an element box, the element box is installed in an electric control box of a book assembly line conveyor belt equipment body, the power input end of the switching power supply is connected with a 220V alternating current power supply through a lead, the power output end of the switching power supply is respectively connected with the two power input ends of the first set of infrared photoelectric switch and the two power input ends of the second set of infrared photoelectric switch through leads, the positive power output end of the first set of infrared photoelectric switch is connected with the positive power input end of the second set of infrared photoelectric switch through a lead, the negative power output end of the switching power supply is connected with the negative power input end of the second set of infrared photoelectric switch through a lead, two power output ends of the second set of infrared photoelectric switches and two power input ends of the two sets of time circuits are respectively connected through leads, two power output ends of the first set of time circuits are respectively connected with two power input ends of the first electromagnetic valve and the buzzer through leads, and two power output ends of the second set of time circuits are respectively connected with two power input ends of the second electromagnetic valve through leads; the front-back width of an opening at the left side of the tail end of a frame of the book assembly line conveying belt equipment body is larger than the front-back width of a bundled book, a certain distance is reserved between the lower end of a push plate and a conveying belt of the book assembly line conveying belt equipment body, the push plate and the opening are in a state that a straight line faces each other, detecting heads of two sets of infrared photoelectric switches and the left side of the frame are in a state that a straight line faces each other, the front side of a square push plate is closer to the front side than a fixed internal thread pipe, and the fixed internal thread pipe is positioned on the right side of the front end of the square push plate; the switching power supply is a switching power supply module for converting Alternating Current (AC) 220V into Direct Current (DC); the two sets of infrared photoelectric switches have the same structure and are reflective photoelectric switches; the second set of infrared photoelectric switches are positioned at the upper end of the first set of infrared photoelectric switches, the second set of photoelectric switches are also matched with a relay, the relay is arranged in the element box, the positive power supply input end of the second set of photoelectric switches is connected with the positive control power supply input end of the relay through a lead, the positive power supply output end of the second set of photoelectric switches is connected with the positive power supply input end of the relay through a lead, and the negative power supply input end of the second set of photoelectric switches is connected with the negative power supply input end of the relay and the negative control power supply input end of the relay through leads; the two sets of time circuits have the same structure and are microcomputer time control switches.