阅读说明：本技术 一种薄刀机送料机构 (Feeding mechanism of thin knife machine ) 是由 徐向荣 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种薄刀机送料机构,涉及纸板加工技术,旨在解决人力提拉纸板至薄刀机内的方式效率欠佳的同时,还需要耗费较多的人力去进行该个简单的劳作,劳动效率低,继而会影响整个纸板生产工作的效益的问题,其技术方案要点是：包括呈U形的送料轨迹,所述送料轨迹包括送料方向相反的入料轨迹和出料轨迹以及位于两者之间的连接轨迹,当所述连接轨迹上的纸板量达到阈值时,所述连接轨迹运行、静止、运行,且所述连接轨迹的两次运行路径为连接轨迹的一半,所述出料轨迹上方设置有矫正组件和导纸组件,且当所述出料轨迹上存在纸板时。本发明能够在纸板完成粘接以后,静止一段时间,并且自动送入到薄刀机内进行加工。(The invention discloses a feeding mechanism of a thin cutter machine, relates to the technology of paperboard processing, and aims to solve the problems that the efficiency of a mode of manually lifting a paperboard into the thin cutter machine is poor, more manpower is required to be consumed to perform the simple work, the labor efficiency is low, and the benefit of the whole paperboard production work is influenced, and the technical scheme is characterized in that: including the pay-off orbit that is the U-shaped, the pay-off orbit includes feeding track and ejection of compact orbit that pay-off opposite direction and is located the connection orbit between the two, works as when the cardboard volume on the connection orbit reaches the threshold value, connect orbit operation, static, operation, just twice traffic routes of connection orbit are half of connection orbit, ejection of compact orbit top is provided with the correction subassembly and leads the paper subassembly, and works as when there is the cardboard on the ejection of compact orbit. The invention can stand for a period of time after the paper boards are bonded, and automatically send the paper boards into a thin cutter machine for processing.)

1. The utility model provides a thin sword machine feeding mechanism which characterized in that: including the pay-off orbit that is the U-shaped, the pay-off orbit includes feeding track and ejection of compact orbit that the pay-off direction is opposite and is located the connection orbit between the two, works as when the cardboard volume on the connection orbit reaches the threshold value, connect orbit operation, static, operation, just twice traffic path of connection orbit is half of connection orbit, ejection of compact orbit top is provided with correction subassembly and leads the paper subassembly, and works as when there is the cardboard on the ejection of compact orbit, correction subassembly applys the sola cardboard at top and just makes the side of cardboard parallel with the direction of ejection of compact orbit with ejection of compact orbit direction vertically effort, lead the sola cardboard that the paper subassembly derived the top along ejection of compact orbit direction displacement.

2. The feeding mechanism of the thin knife machine as claimed in claim 1, wherein: the lifting assembly I is arranged at the feeding position of the connecting track, the maximum height of the lifting assembly I is higher than the height of the feeding track, and the minimum height of the lifting assembly I is lower than the height of the feeding track;

the detection and control circuit I is used for detecting the number of the paper boards passing through the feeding track, counting the number of the paper boards, controlling the lifting assembly to descend after the counting reaches a threshold value, and controlling the connection track to be static after one-time operation;

the second detection and control circuit is used for detecting that the paper board enters the discharging track and controlling the discharging track to guide the paper board to be arranged below the correcting component;

the second lifting assembly is arranged on the discharging track, the minimum height of the second lifting assembly is lower than the height of the discharging track, and the maximum height of the second lifting assembly is lower than the height of the discharging track;

and the third detection and control circuit is used for detecting that the second lifting assembly is controlled to lift the paperboard to be abutted against the correcting assembly after the paperboard is placed on the discharging track, and controlling the paper guide assembly to guide the single paperboard at the top.

3. The feeding mechanism of the thin knife machine as claimed in claim 2, wherein: the pan feeding orbit includes pan feeding track (1), examine that control circuit one sets up on pan feeding track (1), it includes delivery track one, pay-off track one (31), pay-off track two (32) and delivery track two to connect the orbit, lifting unit sets up on delivery track one, it all sets up on delivery track two with the correction subassembly to lead paper subassembly, the discharge trajectory is for leading the motion route of paper subassembly, pan feeding track (1) is the same with the pay-off direction of delivery track one, delivery track two is opposite with the pay-off direction of delivery track one, the pay-off direction of pay-off track one (31) is the same with the pay-off direction of pay-off track two (32), and its perpendicular to delivery track one's pay-off direction.

4. The feeding mechanism of the thin knife machine as claimed in claim 3, wherein: the first conveying track comprises a first mounting frame (2) and a first feeding assembly (21) which is rotatably connected in the first mounting frame (2), the first lifting assembly and the first feeding assembly (21) are distributed in a staggered mode, the maximum height of the first lifting assembly is higher than the maximum horizontal height of the first feeding assembly (21), and the minimum height of the first lifting assembly is lower than the maximum horizontal height of the first feeding assembly (21).

5. The feeding mechanism of the thin knife machine as claimed in claim 3, wherein: the second conveying track comprises a second mounting frame (4) and a second feeding assembly (41) which is rotatably connected in the second mounting frame (4), the second lifting assembly and the second feeding assembly (41) are distributed in a staggered mode, the maximum height of the second lifting assembly is higher than the maximum horizontal height of the second feeding assembly (41), the minimum height of the second lifting assembly is lower than the maximum horizontal height of the second feeding assembly (41), and the first feeding assembly (21) and the second feeding assembly (41) are arranged in parallel.

6. The feeding mechanism of the thin knife machine as claimed in claim 5, wherein: the limiting plates are fixedly connected with the two sides of the second mounting frame (4) and located on the two sides of the length direction of the second feeding assembly (41), the correcting assembly comprises a guide roller (45) which is rotatably connected to the limiting plate far away from the second feeding rail (32) on one side, and the length direction of the guide roller (45) is parallel to the length direction of the second feeding assembly (41).

7. The feeding mechanism of the thin knife machine as claimed in claim 4, wherein: the detection and control circuit I comprises a detection circuit I (15), is arranged on the feeding track (1) and is used for detecting the number of the paperboards passing through the feeding track (1) and outputting a detection signal I;

the counting circuit (16) is connected with the output end of the first detection circuit (15), counts in response to the detection signal, and outputs a counting signal after the counting reaches a threshold value;

the control circuit I (17) is connected with the counting circuit (16), responds to the counting signal and then controls the feeding assembly I (21), the lifting assembly I and the correcting assembly to work and outputs a control signal I;

and the time delay starting circuit I (33) is connected with the output end of the control circuit I (17), starts timing after responding to the control signal I, and controls the feeding track I (31) and the feeding track II (32) to work after the timing is finished.

8. The feeding mechanism of the thin knife machine as claimed in claim 4, wherein: the second detection and control circuit comprises

The second detection circuit (46) is arranged at the inlet of the second conveying track and is used for detecting that the paper board enters the second conveying track and outputting a second detection signal;

and the second control circuit (47) is connected with the output end of the second detection circuit (46), responds to the second control signal and controls the second feeding assembly (41) to operate.

9. The feeding mechanism of the thin knife machine as claimed in claim 4, wherein: the third detection and control circuit comprises

The third detection circuit (48) is arranged on the contact end of the second lifting assembly and used for detecting the weight of the paper board on the contact end of the second lifting assembly and outputting a third detection signal;

and the multi-stage comparison circuit (49) is connected with the output end of the detection circuit III (48), responds to the detection signal III generated by the weights of different quantities of the paperboard and controls the lifting assembly II to adjust the height through the processor (50).

10. The feeding mechanism of the thin knife machine as claimed in claim 5, wherein: the paper guide assembly comprises a connecting plate connected above the second feeding assembly (41) in a sliding mode and a suction piece arranged on the supporting plate.

Technical Field

The invention relates to a paperboard processing technology, in particular to a feeding mechanism of a thin cutter machine.

Background

The thin cutter machine is called a thin cutter longitudinal cutting line pressing and paper separating machine, belongs to carton processing machinery, and adopts the line pressing and longitudinal cutting processes of paper boards.

After people finish the multilayer bonding of the paperboards, the paperboards are placed, cooled and solidified, and then are lifted one by one to a feeding port of a thin knife machine in a manual mode to be fed into the feeding port for subsequent cutting.

At present, the efficiency is not good enough only through a manual lifting mode, and meanwhile, more manpower is needed to be consumed to perform the simple work, the labor efficiency is low, and then the benefit of the whole paperboard production work can be influenced.

Therefore, a new solution is needed to solve this problem.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a feeding mechanism of a thin cutter machine, which can be kept still for a period of time after a paperboard is bonded and automatically fed into the thin cutter machine for processing.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a fly cutter feeding mechanism, is including the pay-off orbit that is the U-shaped, the pay-off orbit includes feeding orbit and ejection of compact orbit and the connection orbit that is located between the two that pay-off direction is opposite, when cardboard volume on the connection orbit reaches the threshold value, connection orbit operation, static, operation, just twice operation route of connection orbit is half of connection orbit, ejection of compact orbit top is provided with correction subassembly and leads the paper subassembly, and when there is the cardboard on the ejection of compact orbit, the correction subassembly exerts the effort perpendicular with ejection of compact orbit direction and makes the side of cardboard parallel with the direction of ejection of compact orbit to the sola cardboard at top, lead the paper subassembly and derive the sola cardboard at top along ejection of compact orbit direction displacement.

Through adopting above-mentioned technical scheme, when people need send into the cardboard in the chiseling machine, only need make the cardboard enter into the pan feeding orbit after accomplishing bonding work, then after reacing the cardboard volume threshold value of settlement, utilize the connection orbit operation, static, the behavior of operation, next ripples cardboard volume is up to standard after, send into in the ejection of compact orbit, and accomplish the position correction to the sola cardboard at top through correcting the subassembly, make it put the correction, at last the sola cardboard at top is derived along ejection of compact orbit direction displacement to the rethread paper guide component, need not people and can carry out automatic processing's work, and the labor efficiency is improved.

The invention is further configured to: also comprises

The first lifting assembly is arranged at the feeding position of the connecting track, the maximum height of the first lifting assembly is higher than the height of the feeding track, and the minimum height of the first lifting assembly is lower than the height of the feeding track;

the detection and control circuit I is used for detecting the number of the paper boards passing through the feeding track, counting the number of the paper boards, controlling the lifting assembly to descend after the counting reaches a threshold value, and controlling the connection track to be static after one-time operation;

the second detection and control circuit is used for detecting that the paper board enters the discharging track and controlling the discharging track to guide the paper board to be arranged below the correcting component;

the second lifting assembly is arranged on the discharging track, the minimum height of the second lifting assembly is lower than the height of the discharging track, and the maximum height of the second lifting assembly is lower than the height of the discharging track;

and the third detection and control circuit is used for detecting that the second lifting assembly is controlled to lift the paperboard to be abutted against the correcting assembly after the paperboard is placed on the discharging track, and controlling the paper guide assembly to guide the single paperboard at the top.

The invention is further configured to: the pan feeding orbit includes the pan feeding track, examine that control circuit one sets up on the pan feeding track, it includes delivery track one, pay-off track two and delivery track two to connect the orbit, lifting unit sets up on delivery track one, it all sets up on delivery track two with the correction subassembly to lead paper subassembly, ejection of compact orbit is for leading the motion route of paper subassembly, the pan feeding track is the same with the pay-off direction of delivery track one, delivery track two is opposite with the pay-off direction of delivery track one, pay-off track one is the same with the pay-off direction of pay-off track two, and its perpendicular to delivery track one's pay-off direction.

The invention is further configured to: the first conveying track comprises a first mounting frame and a first feeding assembly which is rotatably connected in the first mounting frame, the first lifting assembly and the first feeding assembly are distributed in a staggered mode, the maximum height of the first lifting assembly is higher than the maximum horizontal height of the first feeding assembly, and the minimum height of the first lifting assembly is lower than the maximum horizontal height of the first feeding assembly.

The invention is further configured to: the second conveying track comprises a second mounting frame and a second feeding assembly rotatably connected in the second mounting frame, the second lifting assembly and the second feeding assembly are distributed in a staggered mode, the maximum height of the second lifting assembly is higher than the maximum horizontal height of the second feeding assembly, the minimum height of the second lifting assembly is lower than the maximum horizontal height of the second feeding assembly, and the first feeding assembly and the second feeding assembly are arranged in parallel.

The invention is further configured to: the two sides of the second mounting frame are fixedly connected with limiting plates located on two sides of the second feeding assembly in the length direction, the correcting assembly comprises a guide roller which is rotatably connected to the limiting plate located on one side of the second feeding track, and the length direction of the guide roller is parallel to the length direction of the second feeding assembly.

The invention is further configured to: the detection and control circuit I comprises a detection circuit I, is arranged on the feeding track and is used for detecting the number of the paperboards passing through the feeding track and outputting a detection signal I;

the counting circuit is connected with the output end of the first detection circuit, counts in response to the detection signal, and outputs a counting signal after the counting reaches a threshold value;

the first control circuit is connected with the counting circuit, responds to the counting signal, controls the first feeding assembly, the first lifting assembly and the first correcting assembly to work and outputs a first control signal;

and the first time delay starting circuit is connected with the output end of the first control circuit, starts timing after responding to the first control signal, and controls the first feeding track and the second feeding track to work after the timing is finished.

The invention is further configured to: the second detection and control circuit comprises

The second detection circuit is arranged at the inlet of the second conveying track and used for detecting that the paper board enters the second conveying track and outputting a second detection signal;

and the second control circuit is connected with the output end of the second detection circuit, responds to the second control signal and controls the second feeding assembly to operate.

The invention is further configured to: the third detection and control circuit comprises

The detection circuit III is arranged on the contact end of the lifting assembly II and used for detecting the weight of the paper board on the contact end of the lifting assembly II and outputting a detection signal III;

and the multi-stage comparison circuit is connected with the output end of the third detection circuit, responds to a third detection signal generated by the weights of different paperboard quantities, and controls the second lifting assembly to adjust the height through the processor.

The invention is further configured to: the paper guide assembly comprises a connecting plate connected above the feeding assembly II in a sliding mode and a suction piece arranged on the supporting plate.

In conclusion, the invention has the following beneficial effects:

when people need send the cardboard into the thin sword built-in, only need make the cardboard enter into the pan feeding orbit after accomplishing bonding work, then after reacing the cardboard volume threshold value of settlement, utilize the operation of connection orbit, it is static, the behavior of operation, next ripples cardboard volume is up to standard after, send into in the ejection of compact orbit, and accomplish the position correction to the sola cardboard at top through correcting the subassembly, make it put end, the sola cardboard at top is derived along ejection of compact orbit direction displacement to the rethread paper guide assembly at last, need not people and can carry out automatic processing's work, and the labor efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a block diagram of a first detection and control circuit according to the present invention;

FIG. 3 is a block diagram of a second detection and control circuit according to the present invention;

FIG. 4 is a block diagram of a third detection and control circuit according to the present invention;

FIG. 5 is a circuit diagram of a first detection circuit of the present invention;

FIG. 6 is a circuit diagram of a first counter circuit and a first control circuit of the present invention;

FIG. 7 is a circuit diagram of a first delay start circuit of the present invention;

FIG. 8 is a circuit diagram of a second detection circuit and a second control circuit in the present invention;

FIG. 9 is a circuit diagram of a third detection circuit, a multi-stage comparison circuit and a processor according to the present invention.

In the figure: 1. feeding a material track; 11. a support pillar; 12. a rotating shaft; 13. a connecting rod; 14. a driving roller; 15. A first detection circuit; 16. a counting circuit; 17. a first control circuit; 2. a first mounting frame; 21. a feeding assembly I; 22. a first support frame; 23. a first connecting plate; 24. a first cylinder; 25. a first motor; 31. a feeding track I; 32. a feeding track II; 33. a first delay starting circuit; 34. a second motor; 35. a third motor; 4. a second mounting frame; 41. a feeding component II; 411. a fourth motor; 42. a second support frame; 43. a second air cylinder; 44. a second connecting plate; 45. a guide roller; 451. a fifth motor; 46. a second detection circuit; 47. a second control circuit; 48. a third detection circuit; 49. a multi-stage comparison circuit; 50. a processor.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

Example (b):

a feeding mechanism of a thin knife machine is shown in figures 1-9 and comprises a U-shaped feeding track, wherein the feeding track comprises a feeding track and a discharging track which are opposite in feeding direction and a connecting track positioned between the feeding track and the discharging track, when the quantity of paper boards on the connecting track reaches a threshold value, the connecting track runs, is static and runs, two running paths of the connecting track are half of the connecting track, a correcting component and a paper guide component are arranged above the discharging track, when the paper boards exist on the discharging track, the correcting component applies acting force perpendicular to the discharging track direction to single paper boards on the top, the side edges of the paper boards are parallel to the discharging track direction, and the paper guide component displaces along the discharging track direction to guide out the single paper boards on the top.

The feeding track comprises a feeding track 1, the detection and control circuit I is arranged on the feeding track 1, the connection track comprises a first conveying track, a first feeding track 31, a second feeding track 32 and a second conveying track, the lifting assembly I is arranged on the first conveying track, the paper guide assembly and the correction assembly are arranged on the second conveying track, the discharging track is a moving path of the paper guide assembly, the feeding direction of the feeding track 1 is the same as that of the first conveying track, the feeding direction of the second conveying track is opposite to that of the first conveying track, the feeding direction of the first feeding track 31 is the same as that of the second feeding track 32, and the feeding direction is perpendicular to that of the first conveying track.

The feeding mechanism of the thin knife machine further comprises a first lifting assembly, wherein the first lifting assembly is arranged at a feeding position of the connecting track, the maximum height of the first lifting assembly is higher than the height of the feeding track, and the minimum height of the first lifting assembly is lower than the height of the feeding track; the detection and control circuit I is used for detecting the number of the paper boards passing through the feeding track, counting the number of the paper boards, controlling the lifting assembly to descend after the counting reaches a threshold value, and controlling the connection track to be static after one-time operation; the second detection and control circuit is used for detecting that the paper board enters the discharging track and controlling the discharging track to guide the paper board to be arranged below the correcting component; the second lifting assembly is arranged on the discharging track, the minimum height of the second lifting assembly is lower than the height of the discharging track, and the maximum height of the second lifting assembly is lower than the height of the discharging track; and the third detection and control circuit is used for detecting that the second lifting assembly is controlled to lift the paperboard to be abutted against the correcting assembly after the paperboard is placed on the discharging track, and controlling the paper guide assembly to guide the single paperboard at the top.

Pan feeding track 1 is the conveyer to at pan feeding track 1's direction of transportation both sides fixedly connected with support column 11, fixedly connected with pivot 12 between the support column 11, the rotation is connected with two connecting rods 13 on the pivot 12, rotates between two connecting rods 13 and is connected with a driving roller 14, and driving roller 14 keeps the state with the laminating of pan feeding track 1 top surface.

The conveying track I comprises a mounting frame I2 and a feeding assembly I21 which is rotatably connected in the mounting frame I2, the lifting assembly I and the feeding assembly I21 are distributed in a staggered manner, the maximum height of the lifting assembly I is higher than the maximum horizontal height of the feeding assembly I21, and the minimum height of the lifting assembly I is lower than the maximum horizontal height of the feeding assembly I21, the feeding assembly I21 comprises a plurality of conveying rollers I which are rotatably connected on the mounting frame I2, one ends of the same sides of the plurality of conveying rollers I are fixedly connected with a first transmission gear, the plurality of transmission gears I are in transmission connection through a transmission chain, one transmission gear I is coaxially and fixedly connected with a first motor 25, the lifting assembly I comprises a plurality of cylinders I24 which are fixedly connected on the ground or fixedly connected with the mounting frame I2, and the upper ends of the plurality of cylinders I24 are jointly and fixedly connected with a connecting plate I23 positioned below the plurality of conveying rollers I, a plurality of first supporting frames 22 which are alternately arranged with the first conveying rollers are fixedly connected to the first connecting plate 23.

The first feeding track 31 and the second feeding track 32 are both conveyors and are driven by a second motor 34 and a third motor 35 respectively.

The second conveying track comprises a second mounting frame 4 and a second feeding assembly 41 rotatably connected in the second mounting frame 4, the second lifting assembly and the second feeding assembly 41 are distributed in a staggered manner, the maximum height of the second lifting assembly is higher than the maximum horizontal height of the second feeding assembly 41, and the minimum height of the second lifting assembly is lower than the maximum horizontal height of the second feeding assembly 41, the first feeding assembly 21 and the second feeding assembly 41 are arranged in parallel, the second feeding assembly 41 comprises a plurality of second conveying rollers rotatably connected on the second mounting frame 4, one ends of the same sides of the plurality of second conveying rollers are fixedly connected with second transmission gears, the plurality of second transmission gears are in transmission connection through second transmission chains, one second transmission gear is coaxially and fixedly connected with a fourth motor 411, the second lifting assembly comprises a plurality of second air cylinders 43 fixedly connected on the ground or fixedly connected with the second mounting frame 4, and the upper ends of the plurality of second air cylinders 43 are jointly and fixedly connected with a second connecting plate 44 positioned below the plurality of second conveying rollers, a plurality of second supporting frames 42 which are arranged alternately with the second conveying rollers are fixedly connected to the second connecting plate 44, limiting plates which are located on two sides of the second feeding assembly 41 in the length direction are fixedly connected to two sides of the second mounting frame 4, the correcting assembly comprises a guide roller 45 which is rotatably connected to the limiting plate which is located on one side of the second feeding rail 32, the length direction of the guide roller 45 is parallel to the length direction of the second feeding assembly 41, and the guide roller 45 is driven to rotate through the fifth motor 451.

Lead the paper subassembly and include the backup pad of sliding connection in the second 41 tops of pay-off subassembly and set up the suction spare in the backup pad, backup pad sliding connection is between two limiting plates to fixedly connected with cylinder three on the limiting plate, the flexible end and the backup pad fixed connection of cylinder three, suction spare are the air pump, the wide gauze mask of fixedly connected with on the air inlet of air pump, the air inlet intercommunication of wide gauze mask and air pump.

The detection and control circuit I comprises a detection circuit I15, is arranged on the feeding track 1 and is used for detecting the number of the paperboards passing through the feeding track 1 and outputting a detection signal I; the counting circuit 16 is connected with the output end of the first detection circuit 15, counts in response to the detection signal, and outputs a counting signal after the counting reaches a threshold value; the control circuit I17 is connected with the counting circuit 16, responds to the counting signal, controls the feeding assembly I21, the lifting assembly I and the correcting assembly to work and outputs a control signal I; and the first delay starting circuit 33 is connected with the output end of the first control circuit 17, starts timing after responding to the first control signal, and controls the first feeding track 31 and the second feeding track 32 to work after the timing is finished.

The first detection circuit 15 is an infrared sensor I, the counting circuit 16 is an MEMS sensor, the first control circuit 17 comprises an Arduino chip, a triode switch VT1, a first delay starting circuit 33 is an electrified delay relay KT1, the output end of the first infrared sensor is connected with the input end of the MEMS sensor, the output end of the MEMS sensor is connected with the input end of the Arduino chip, the output end of the Arduino chip is connected with the base electrode of a triode switch VT1, the emitting electrode of the triode switch VT1 is grounded, the collecting electrode of the triode switch VT1 is connected with the electrified delay relay KT1 and then connected with the first cylinder 24 and then connected with the electricity, a relay switch KT1-1 is connected between the power supply and the first cylinder 24 and then connected with the second motor 34M2 and the third motor 35M3 and then connected with the emitting electrode of the triode switch VT 1.

The detection and control circuit II comprises a detection circuit II 46 which is arranged at the inlet of the conveying track II and used for detecting that the paper board enters the conveying track II and outputting a detection signal II; and the second control circuit 47 is connected with the output end of the second detection circuit 46, responds to the second control signal, and controls the second feeding assembly 41 to operate.

The second detection circuit 46 comprises a second infrared sensor, the second control circuit 47 is an Arduino chip, the power supply end of the second infrared sensor is connected with electricity, the grounding end of the second infrared sensor is grounded, the output end of the second infrared sensor is connected with the input end of the Arduino chip, the output end of the Arduino chip is connected with the base of a triode switch VT2 after being connected with a resistor R2, the emitter of the triode switch VT2 is connected with a relay switch K2-1 and then is grounded, and the collector of the triode switch VT2 is connected with a delay-off relay KT2 and then is connected with a motor four 411M4 and then is connected with electricity.

The detection and control circuit III comprises a detection circuit III 48 which is arranged on the contact end of the lifting assembly II and is used for detecting the weight of the paper board on the contact end of the lifting assembly II and outputting a detection signal III; and the multi-stage comparison circuit 49 is connected with the output end of the detection circuit III 48, responds to the detection signal III generated by the weights of different quantities of the paper boards and controls the lifting assembly II to adjust the height through the processor 50.

The third detection circuit 48 comprises a weight sensor, the multistage voltage comparators comprise a plurality of voltage comparators, the processor 50 is a PLC, a divider resistor is connected between the reverse input ends of the adjacent voltage comparators, the same-direction input ends of the voltage comparators are connected with the secondary coil, and after the output end of the multistage voltage comparator is connected with a decoder, the output end of the decoder is connected with the input end of the PLC, and the output end of the PLC is connected with the second cylinder 43.

The working principle is as follows:

when the mechanism needs to transport paperboards, only people need to start the mechanism, the paperboards after the bonding work are enabled to be fed in through the feeding track 1, after passing through the detection circuit I15, the number of the paperboards can be counted, the counting circuit 16 is used for counting, after the number of the paperboards reaches the standard, the control circuit I17 can drive the support frame I22 through the cylinder I24 to enable the paperboards to move downwards, the motor I25 can be started all the time, after the paperboards contact the motor I25, the paperboards can be guided into the feeding track I31, the motor II 34 and the motor III 35 of the feeding track I31 and the feeding track II 32 can be started after the delay starting circuit I33 delays for a certain time, and the paperboards are conveyed to the feeding track II 32 to be static.

Then after next group cardboard is up to standard, preceding group cardboard can be under the transport of second 32 of pay-off track, transport on the second of delivery track, and after detection circuit two 46 detects, lean on the limit through second 41 of pay-off subassembly to set up, detection circuit three 48 detects to have the cardboard on second 42 of support frame this moment, detection circuit three 48 is through multistage comparison circuit 49's contrast back, come out the signal according to the cardboard volume, make processor 50 can control cylinder two 43 drive second 42 of support frame and rise, then raise the cardboard, make the correction subassembly can carry out the position correction to a topmost cardboard, at last rethread paper guide assembly, send each cardboard that is located the top away, then need not people to carry out the manpower work, and efficiency is accelerated.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.