Front edge upper feeding and lower feeding combined mechanism of corrugated digital printing machine

Abstract

The utility model discloses a front edge upper feeding and lower feeding combined mechanism of a corrugated digital printing machine, which is characterized in that linear guide rails I are vertically mounted on opposite surfaces of two printing machine side plates, linear guide rail sliders I are mounted on the linear guide rails I in a sliding fit manner, servo motors I are mounted at the top ends of the two printing machine side plates respectively, and servo motors II are mounted on the servo motors I; the lower end of the first servo motor is connected with a first ball screw, lower feeding mechanism side plates are arranged on the opposite faces of the two printing machine side plates correspondingly, and a first conveying platform is connected between the bottom ends of the two lower feeding mechanism side plates. The left side and the right side of the front end of the printing machine rack are fixedly connected with longitudinally-arranged upper feeding mechanism side plates correspondingly, and a second conveying platform is arranged between the two upper feeding mechanism side plates. The feeding mechanism is provided with the upper feeding mechanism part and the lower feeding mechanism part, feeding mechanisms are selected according to actual requirements, two feeding modes are met, the influence of the thickness of paperboards is reduced, and the machine using efficiency of customers is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated digital printing machines, in particular to a combined mechanism for front-edge upper feeding and lower feeding of a corrugated digital printing machine. Background Art

[0002] An ordinary front-edge paper feeding mechanism adopts a lower feeding structure. It mainly consists of a paper feeding platform, a paper feeding air box, a front baffle lifting mechanism, and a driving device. The lifting height of the front baffle is adjusted according to the thickness of the cardboard to only allow one cardboard to pass through; the paper feeding air box adsorbs the material on the paper feeding platform through the suction of a blower, and the driving device drives the paper feeding shaft by a servo motor to convey the bottommost cardboard to the printing platform. Immediately afterwards, the second cardboard at the original bottom will fall onto the feeding platform, and according to the parameters set by the program, the subsequent cardboard will be conveyed from the bottommost to the printing platform. The disadvantage is that the lower feeding mechanism cannot properly handle relatively thin cardboard, and several pieces may be conveyed to the printing platform together. Content of the Utility Model

[0003] The purpose of the utility model is to make up for the defects of the existing technology and provide a combined mechanism for front-edge upper feeding and lower feeding of a corrugated digital printing machine, which meets the different feeding requirements of customers for printing materials of different thicknesses.

[0004] The utility model is realized by the following technical solutions:

[0005] A combined front-end feeding and bottom feeding mechanism for a corrugated digital printing press, comprising a printing press frame. Vertical printing press side plates are respectively provided on the left and right sides of the printing press frame. Linear guide rails I are vertically installed on the opposite surfaces of the two printing press side plates. Linear guide rail sliders I are slidably fitted on the linear guide rails I. Servo motors I are respectively installed at the tops of the two printing press side plates. The lower ends of the servo motors I are connected to ball screws I. Lower feeding mechanism side plates are respectively provided on the opposite surfaces of the two printing press side plates. The lower feeding mechanism side plates are fixedly connected to the linear guide rail sliders I and are also connected to the moving ends of the ball screws I. The lower feeding mechanism side plates are driven to slide up and down by the servo motors I and the ball screws I. A transmission platform I is connected between the bottoms of the two lower feeding mechanism side plates; longitudinally arranged upper feeding mechanism side plates are respectively fixedly connected to the front left and right sides of the printing press frame. Linear guide rails II are respectively installed on the opposite surfaces of the two upper feeding mechanism side plates. Linear guide rail sliders II are slidably fitted on the linear guide rails II. Servo motors II are respectively installed at the fronts of the two upper feeding mechanism side plates. The ends of the servo motors II are connected to ball screws II. A transmission platform II is provided between the two upper feeding mechanism side plates. The left and right ends of the transmission platform II are respectively connected to the linear guide rail sliders II and are also respectively connected to the moving ends of the ball screws II. The transmission platform II is driven to slide back and forth by the servo motors II and the ball screws II; sucker columns are respectively fixed at the upper sides of the two ends of the transmission platform II. A sucker connecting frame is connected between the tops of the two sucker columns. Linear guide rails III and racks are respectively installed on the opposite surfaces of the two sucker columns. Linear guide rail sliders III are slidably fitted on the linear guide rails III. A sucker lifting frame is provided between the two sucker columns below the sucker connecting frame. The two ends of the sucker lifting frame are respectively connected to the linear guide rail sliders III. A gear connecting rod is rotatably installed on the upper side surface of the sucker lifting frame through a connecting rod mounting seat. Gears are installed at the two ends of the gear connecting rod. The gears are engaged with the racks. A motor is also installed on the upper surface of the sucker lifting frame. The motor is connected to the gear connecting rod through a worm and gear. The gear connecting rod is driven to rotate by the motor, and the gears move up and down along the racks, driving the sucker lifting frame to slide up and down along the linear guide rails III; a plurality of cylinders are installed at intervals on the lower side surface of the sucker lifting frame. Sucker brackets are respectively fixedly connected to the moving ends of each cylinder. Sucker profiles are fixed on the sucker brackets. A plurality of conical suckers are installed on the sucker profiles.

[0006] A rear baffle is installed at the rear side of the transmission platform I. The height of the rear baffle is adjustable. Left and right partitions are provided on the transmission platform I. The positions of the left and right partitions are adjustable. A plurality of paper feeding shafts are installed on the bottom plate of the transmission platform I. The paper feeding shafts are driven to rotate by a servo motor III installed on the bottom plate of the transmission platform I.

[0007] The described ball screw one is installed on the side plate of the printing press through the screw rod fixing seat one, the nut connecting seat one is installed on the ball screw nut one, the servo motor one is installed on the side plate of the printing press through the motor seat one, and the servo motor one is connected to the ball screw one through the coupling one; the side plate of the lower feeding mechanism is connected by the screw of the linear guide slider one on the side plate of the printing press, and the nut connecting seat one on the ball screw one is installed on the side plate of the lower feeding mechanism.

[0008] The described ball screw two is installed on the side plate of the upper feeding mechanism through the screw rod fixing seat two, the nut connecting seat two is installed on the ball screw nut two, the servo motor two is installed on the side plate of the upper feeding mechanism through the motor seat two, the servo motor two is connected to the ball screw two through the coupling two, the transmission platform two is connected by the screw of the linear guide slider two on the side plate of the upper feeding mechanism, and the nut connecting seat two on the ball screw two is installed on the transmission platform two.

[0009] The described gear is installed on the gear connecting rod through a flat key and a shaft retaining ring.

[0010] Photoelectric sensors one are installed at both the top and bottom of the side plate of the printing press, and a photoelectric sensor baffle one is installed on the side plate of the lower feeding mechanism.

[0011] Photoelectric sensors two are installed at both the outer end and the inside of the side plate of the upper feeding mechanism, and a photoelectric sensor baffle two is installed on the transmission platform two.

[0012] Photoelectric sensors three are installed at both the top and bottom of the outside of the sucker column, and photoelectric sensor baffles three are installed at both ends of the sucker lifting frame.

[0013] A printing platform is installed at the top of the printing press frame, and the printing platform is located at the rear side of the transmission platform one.

[0014] The advantages of the present utility model are: the present utility model is provided with an upper feeding mechanism part and a lower feeding mechanism part. According to actual needs, the feeding mechanism can be selected to meet the use of two feeding methods, reduce the influence of the cardboard thickness, and increase the efficiency of the customer using the machine. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the sucker column on the upper surface of the transmission platform two of the present utility model;

[0017] Figure 3 It is a schematic installation diagram of the side plate of the lower feeding mechanism of the present utility model;

[0018] Figure 4 It is a schematic installation diagram of the side plate of the upper feeding mechanism of the present utility model. Detailed implementation mode

[0019] As shown in Figure 1 , 3 A combined mechanism for front-edge upper feeding and lower feeding of a corrugated digital printing machine includes a printing machine frame 1, an upper feeding mechanism and a lower feeding mechanism;

[0020] The lower feeding mechanism is as follows: Vertical printing machine side plates 2 are respectively arranged on the left and right sides of the printing machine frame 1. Linear guide rails 1 are vertically installed on the opposite surfaces of the two printing machine side plates 2. Linear guide rail sliders 1 are slidably installed on the linear guide rails 1. Servo motors 1 are respectively installed at the tops of the two printing machine side plates 2. The lower ends of the servo motors 1 are connected to ball screws 1. Lower feeding mechanism side plates 7 are respectively arranged on the opposite surfaces of the two printing machine side plates 2. The lower feeding mechanism side plates 7 are fixedly connected to the linear guide rail sliders 1, and the lower feeding mechanism side plates 7 are also connected to the moving ends of the ball screws 1. The lower feeding mechanism side plates 7 are driven to slide up and down by the servo motors 1 and the ball screws 1. A transmission platform 1 is connected between the bottoms of the two lower feeding mechanism side plates 7. A rear baffle 9 is installed at the rear of the transmission platform 1, and the height of the rear baffle 9 is adjustable. Left and right partitions 10, 11 are arranged on the transmission platform 1, and the positions of the left and right partitions 10, 11 are adjustable. A plurality of paper feeding shafts 44 are installed on the bottom plate of the transmission platform 1, and the paper feeding shafts 44 are driven to rotate by a servo motor 3 installed on the bottom plate of the transmission platform 1; The ball screw 1 is installed on the printing machine side plate 2 through a screw fixing seat 1. A nut connecting seat 1 is installed on the ball screw nut 1. The servo motor 1 is installed on the printing machine side plate 2 through a motor seat 1. The servo motor 1 is connected to the ball screw 1 through a coupling 1; The lower feeding mechanism side plate 7 is connected by screws of the linear guide rail slider 1 on the printing machine side plate 2, and the nut connecting seat 1 on the ball screw 1 is installed on the lower feeding mechanism side plate 7. Photoelectric sensors 1 are installed at the top and bottom of the printing machine side plate 2. Photoelectric sensor blocking pieces 1 are installed on the lower feeding mechanism side plate 7. There are two photoelectric sensor blocking pieces 1, which are respectively installed at the upper and lower ends of the lower feeding mechanism side plate 7. The moving position of the lower feeding mechanism side plate 7 is controlled by the photoelectric sensor 1 and the photoelectric sensor blocking piece 1.

[0021] The upper feeding mechanism is as follows: As shown in Figure 4As shown in the figure, on the left and right sides of the front end of the printing press frame 1, there are respectively fixedly connected with longitudinally arranged upper feeding mechanism side plates 17. On the opposite surfaces of the two upper feeding mechanism side plates 17, linear guide rails II 18 are respectively installed. On the linear guide rails II 18, linear guide rail sliders II 19 are slidably fitted. At the front ends of the two upper feeding mechanism side plates 17, servo motors II 20 are respectively installed. The end of the servo motor II 20 is connected with a ball screw II 21. Between the two upper feeding mechanism side plates 17, there is a transmission platform II 22. The left and right ends of the transmission platform II 22 are respectively connected with the linear guide rail sliders II 19, and the left and right ends of the transmission platform II 22 are also respectively connected with the moving ends of the ball screw II 21. The transmission platform II 22 is driven to slide back and forth by the servo motor II 20 and the ball screw II 21; the ball screw II 21 is installed on the upper feeding mechanism side plate 17 through a screw fixing seat II 23, a nut connecting seat II is installed on the ball screw nut II 24, the servo motor II 20 is installed on the upper feeding mechanism side plate 17 through a motor seat II, the servo motor II 20 is connected with the ball screw II 21 through a coupling II 25, the transmission platform II 22 is connected by screws of the linear guide rail sliders II 19 on the upper feeding mechanism side plate 17, and the nut connecting seat II on the ball screw II 21 is installed on the transmission platform II 22. Photoelectric sensors II 26 are installed at the outer end and inside of the upper feeding mechanism side plate 17. Photoelectric sensor blockers II 27 are installed on the transmission platform II 22. There are two photoelectric sensor blockers II 27, which are respectively installed at the front and rear ends of the transmission platform II 22. The moving position of the transmission platform II 22 is controlled by the photoelectric sensors II 26 and the photoelectric sensor blockers II 27.

[0022] As Figure 2As shown, suction cup columns 28 are respectively fixed at both upper ends of the second transfer platform 22. A suction cup connecting frame 29 is connected between the tops of the two suction cup columns 28. Linear guide rails three 30 and racks 31 are installed on the opposite surfaces of the two suction cup columns 28. Linear guide rail sliders three are slidably installed on the linear guide rails three 30. A suction cup lifting frame 32 is provided below the suction cup connecting frame 29 between the two suction cup columns 28. Both ends of the suction cup lifting frame 32 are respectively connected with the linear guide rail sliders three. A gear connecting rod 34 is rotatably installed on the upper side surface of the suction cup lifting frame 32 through a connecting rod mounting seat 33. Gears 35 are installed at both ends of the gear connecting rod 34. The gears 35 are installed on the gear connecting rod 34 through flat keys and shaft retaining rings. The gears 35 are engaged with the racks 31. A motor 36 is further installed on the suction cup lifting frame 32. The motor 36 is connected with the gear connecting rod 34 through a worm and worm gear 37. By driving the gear connecting rod 34 to rotate through the motor 36, the gears 35 move up and down along the racks 31, driving the suction cup lifting frame 32 to slide up and down along the linear guide rails three 30. A plurality of cylinders 38 are installed at intervals on the lower side surface of the suction cup lifting frame 32. Suction cup brackets 39 are respectively fixedly connected to the moving ends of each cylinder 38. A suction cup profile 40 is fixed on the suction cup brackets 39. A plurality of conical suction cups 41 are installed on the suction cup profile 40. Photoelectric sensors three 42 are installed at both the top and bottom of the outer side of the suction cup columns 28. Photoelectric sensor blockers three 43 are respectively installed at both ends of the suction cup lifting frame 32. The moving position of the suction cup lifting frame 32 is controlled by the photoelectric sensors three 42 and the photoelectric sensor blockers three 43.

[0023] A printing platform 46 is installed on the top of the printing machine frame 1. The printing platform 46 is located at the rear side of the first transfer platform 8.

[0024] The intelligent control of the present utility model entirely relies on the control system of the corrugated digital printing machine.

[0025] When using the lower feeding mechanism, the second transfer platform 22 of the upper feeding mechanism is moved forward through the cooperation of the servo motor two 20 and the ball screw two 21, and stops when the photoelectric sensor blocker two 27 senses the photoelectric sensor two 26. The first transfer platform 8 of the lower feeding mechanism is moved downward through the cooperation of the servo motor one 5 and the ball screw one 6, and stops when the photoelectric sensor blocker one 16 senses the photoelectric sensor one 15, ensuring that the lower feeding mechanism is at the designated position and the first transfer platform 8 is docked with the printing platform 46. Stack the cardboard on the first transfer platform 8 of the lower feeding mechanism, adjust the height of the rear baffle 9 according to the thickness of the cardboard, and then adjust the positions of the left and right partitions 10 and 11 according to the width of the cardboard. The servo motor three 45 at the bottom of the first transfer platform 8 of the lower feeding mechanism drives the paper feeding shaft 44, and the cardboard is transferred to the printing platform 46 one by one from the lowest end through the control program.

[0026] When using the upper feeding mechanism, the transmission platform 1 of the lower feeding mechanism is moved upward by the servo motor 1 cooperating with the ball screw 1. When the light sensor flap 1 stops sensing the light sensor 1. Stack the cardboard on the transmission platform 2 of the upper feeding mechanism, and then move the transmission platform 2 of the upper feeding mechanism backward by the servo motor 2 cooperating with the ball screw 2. When the light sensor flap 2 stops sensing the light sensor 2, ensure that the upper feeding mechanism is in the specified position. Then, the suction cup device in the upper feeding mechanism rotates through the motor 36, drives the gear connecting rod 34 to rotate through the motor 36, and the gear 35 moves up and down along the rack 31. When the suction cup in the suction cup device touches the cardboard, the air source starts to suck air to hold the cardboard. The suction cup device rotates the gear 35 upward through the motor 36. When the light sensor flap 1 stops sensing the light sensor 1, immediately, the cylinder 38 in the suction cup device receives a signal and moves forward to drop the cardboard onto the printing platform 46. The cylinder 38 returns to the initial position. The suction cup device rotates the gear 35 through the motor 36 and moves downward along the rack 31 and the linear guide 3. When the suction cup in the suction cup device touches the cardboard, the air source starts to suck air to hold the cardboard. The suction cup device rotates the gear 35 upward through the motor 36. When the light sensor flap 1 stops sensing the light sensor 1, immediately, the cylinder 38 in the suction cup device receives a signal and moves forward to drop the cardboard onto the printing platform 46, and repeat such actions.

Claims

1. A combined mechanism for front-edge upper feeding and lower feeding of a corrugated digital printing machine, characterized in that: It includes a printing press frame. Vertical printing press side plates are respectively arranged on the left and right sides of the printing press frame. Linear guide rails 1 are vertically installed on the opposite surfaces of the two printing press side plates. Linear guide rail sliders 1 are slidably and fittingly installed on the linear guide rails 1. Servo motors 1 are respectively installed at the tops of the two printing press side plates. The lower ends of the servo motors 1 are connected to ball screws 1. Lower feeding mechanism side plates are respectively arranged on the opposite surfaces of the two printing press side plates. The lower feeding mechanism side plates are fixedly connected to the linear guide rail sliders 1, and the lower feeding mechanism side plates are also connected to the moving ends of the ball screws 1. The lower feeding mechanism side plates are driven to slide up and down by the servo motors 1 and the ball screws 1. A transfer platform 1 is connected between the bottoms of the two lower feeding mechanism side plates; longitudinally arranged upper feeding mechanism side plates are respectively fixedly connected to the front left and right sides of the printing press frame. Linear guide rails 2 are respectively installed on the opposite surfaces of the two upper feeding mechanism side plates. Linear guide rail sliders 2 are slidably and fittingly installed on the linear guide rails 2. Servo motors 2 are respectively installed at the fronts of the two upper feeding mechanism side plates. The ends of the servo motors 2 are connected to ball screws 2. A transfer platform 2 is arranged between the two upper feeding mechanism side plates. The left and right ends of the transfer platform 2 are respectively connected to the linear guide rail sliders 2, and the left and right ends of the transfer platform 2 are also respectively connected to the moving ends of the ball screws 2. The transfer platform 2 is driven to slide back and forth by the servo motors 2 and the ball screws 2; suction cup columns are respectively fixed at the upper sides of the two ends of the transfer platform 2. A suction cup connecting frame is connected between the tops of the two suction cup columns. Linear guide rails 3 and racks are respectively installed on the opposite surfaces of the two suction cup columns. Linear guide rail sliders 3 are slidably and fittingly installed on the linear guide rails 3. A suction cup lifting frame is arranged between the two suction cup columns below the suction cup connecting frame. The two ends of the suction cup lifting frame are respectively connected to the linear guide rail sliders 3. A gear connecting rod is rotatably installed on the upper side surface of the suction cup lifting frame through a connecting rod mounting seat. Gears are installed at the two ends of the gear connecting rod. The gears are engaged with the racks. An electric motor is also installed on the upper surface of the suction cup lifting frame. The electric motor is connected to the gear connecting rod through a worm and worm gear. The gear connecting rod is driven to rotate by the electric motor, and the gears move up and down along the racks, driving the suction cup lifting frame to slide up and down along the linear guide rails 3; a plurality of cylinders are installed at intervals on the lower side surface of the suction cup lifting frame. Suction cup brackets are respectively fixedly connected to the moving ends of each cylinder. A suction cup profile is fixed on the suction cup brackets. A plurality of conical suction cups are installed on the suction cup profile.

2. The combined mechanism of front-end upward feeding and downward feeding for a corrugated digital printing press according to claim 1, wherein: A rear baffle is installed at the rear side of the transfer platform 1. The height of the rear baffle is adjustable. Left and right partitions are arranged on the transfer platform 1, and the positions of the left and right partitions are adjustable. A plurality of paper feeding shafts are installed on the bottom plate of the transfer platform 1. The paper feeding shafts are driven to rotate by a servo motor 3 installed on the bottom plate of the transfer platform 1.

3. A combined mechanism for front upper feeding and lower feeding of a corrugated digital printing press according to claim 1, characterized in that: The described ball screw 1 is installed on the side plate of the printing machine through the screw rod fixing seat 1. The nut connecting seat 1 is installed on the ball screw nut 1. The servo motor 1 is installed on the side plate of the printing machine through the motor seat 1. The servo motor 1 is connected to the ball screw 1 through the coupling 1. The side plate of the lower feeding mechanism is connected by the screws of the linear guide slider 1 on the side plate of the printing machine, and the nut connecting seat 1 on the ball screw 1 is installed on the side plate of the lower feeding mechanism.

4. A combined mechanism for front-end upper feeding and lower feeding of a corrugated digital printing machine according to claim 1, characterized in that: The described ball screw 2 is installed on the side plate of the upper feeding mechanism through the screw rod fixing seat 2. The nut connecting seat 2 is installed on the ball screw nut 2. The servo motor 2 is installed on the side plate of the upper feeding mechanism through the motor seat 2. The servo motor 2 is connected to the ball screw 2 through the coupling 2. The transfer platform 2 is connected by the screws of the linear guide slider 2 on the side plate of the upper feeding mechanism, and the nut connecting seat 2 on the ball screw 2 is installed on the transfer platform 2.

5. A combined mechanism for front upper feeding and lower feeding of a corrugated digital printing press according to claim 1, characterized in that: The described gear is installed on the gear connecting rod through the flat key and the shaft retaining ring.

6. The combined mechanism of front-edge upward feeding and downward feeding of a corrugated digital printing press according to claim 1, wherein: Photoelectric sensors 1 are installed at both the top and bottom of the side plate of the printing machine, and a photoelectric sensor baffle 1 is installed on the side plate of the lower feeding mechanism.

7. A combined mechanism for front-end upward feeding and downward feeding of a corrugated digital printing machine according to claim 1, characterized in that: Photoelectric sensors 2 are installed at both the outer end and the inside of the side plate of the upper feeding mechanism, and a photoelectric sensor baffle 2 is installed on the transfer platform 2.

8. A combined mechanism for front-end upper feeding and lower feeding of a corrugated digital printing press according to claim 1, characterized in that: Photoelectric sensors 3 are installed at both the top and bottom of the outside of the sucker column, and photoelectric sensor baffles 3 are installed at both ends of the sucker lifting frame respectively.

9. The combined mechanism of front-end upper feeding and lower feeding of a corrugated digital printing press according to claim 1, characterized in that: A printing platform is installed at the top of the printing machine frame, and the printing platform is located at the rear side of the transfer platform 1.

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