Rotary press on-line detection automatic rejecting system

Abstract

The utility model relates to the technical field of paper processing, and discloses an on-line detection automatic waste rejecting system of a rotary press, which comprises a waste rejecting mechanism and a paper progressive mechanism positioned on one side of the waste rejecting mechanism, the two frames are connected through a connecting shaft and a plurality of fixing shafts, and two parallel conveying belts are installed between the two frames. A plurality of clamping assemblies are arranged on the conveying belt, a pushing assembly is arranged between the two frames, after unqualified paper is detected, the telescopic end of a first electric push rod can drive a first push plate to extend and push a push handle, and the push handle drives a rotating disc to rotate through an extension shaft; and the rotating disc can drive the movable clamping plate to rotate through the hinge shaft and extrude the torsion spring, so that the fixed clamping plate and the movable clamping plate can be opened, the paper can fall off the clamping assembly, and the work of rejecting the unqualified paper is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper processing technical field, concretely is a rotary printing machine on -line detection automatic reject system. BACKGROUND

[0002] Paper is one of the most commonly used reading carriers in life, from the books of learning to the color pages of propaganda, paper is used as a carrier, printing, and then using, the quality of paper not only affects the printing effect, but also concerns the user's experience, good printing carrier can guarantee good printing effect, good printing effect can produce good experience, good experience can establish the mutual trust relationship between the producer and the user, therefore, the detection of printing paper is indispensable.

[0003] After the printer prints the paper, the printed paper usually needs to be detected, and then the unqualified paper detected is rejected, at present, when the waste paper is rejected, the manual rejection is usually used, the efficiency of this kind of way is relatively low, and the workload is also relatively large.

[0004] Therefore, we propose a rotary printing machine on-line detection automatic reject system in order to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned problems.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rotary printing machine on-line detection automatic reject system, including reject mechanism and paper feed mechanism located at one side of reject mechanism, the reject mechanism includes two mutually parallel frames, and the two frames are connected through connecting shaft and a plurality of fixed shafts, two mutually parallel conveying belts are installed between the two frames, drive assemblies used in cooperation with the conveying belts are installed at the end of the two frames, the conveying belt is drivingly installed on the connecting shaft and a plurality of fixed shafts located on the same side, a plurality of first installation plates are installed equidistantly between the two conveying belts, and the first installation plate is installed with clamping assemblies used for clamping paper, a pushing assembly used in cooperation with the clamping assembly is installed between the two frames, the clamping assembly changes from the clamping state to the open state under the condition that the pushing assembly pushes the clamping assembly, and the clamped paper falls from the clamping assembly.

[0007] Further, the drive assembly includes a motor installed on one side of one of the frames, the output shaft of the motor is fixed with a first rotating shaft, and the first rotating shaft is fixed with two transmission wheels used in cooperation with the conveying belts.

[0008] Furthermore, the clamping assembly includes a first mounting seat fixed to the outside of the first mounting plate, a fixed clamping plate is fixed to one end of the first mounting seat, one side of the fixed clamping plate is rotatably connected to the movable clamping plate through a hinge shaft, a torsion spring is mounted on the hinge shaft, both ends of the torsion spring are respectively inserted in the sleeve, and the two sleeves are respectively fixed to the inner walls of the fixed clamping plate and the movable clamping plate.

[0009] Furthermore, both ends of the hinge shaft pass through the movable clamping plate and the fixed clamping plate in sequence and are fixed with a rotating disk, an extension shaft is fixed on the rotating disk, and a push handle is fixed at one end of the extension shaft away from the rotating disk.

[0010] Furthermore, the pushing assembly includes a second mounting plate fixed between the two frames, both ends of the second mounting plate are equipped with a first electric push rod, and the telescopic end of the first electric push rod is equipped with a first push plate used in conjunction with the pushing handle.

[0011] Furthermore, cams are fixed at both ends of the fixed shaft, and the conveyor belt is located between the cam and the frame.

[0012] Furthermore, the two ends of the frame are horizontal, and the middle part of the frame is inclined.

[0013] Furthermore, a second mounting seat is fixed at the corner of the frame, and a pressure shaft for pressing down the conveyor belt is rotatably installed on one side of the second mounting seat.

[0014] Further: the paper feeding mechanism includes two side plates parallel to each other, a fixed plate and two rotating second rotating shafts are installed between the two side plates, and the fixed plate is located between the two second rotating shafts, and a support plate for dragging paper is fixed on the top of the fixed plate, one end of one of the second rotating shafts passes through the side plate and is equipped with a second motor, gears are installed at both ends of the two second rotating shafts, and the same chain is installed on the two gears on the same side, and a number of push grabs for pushing paper are equidistantly installed on the chain.

[0015] Furthermore: a second electric push rod is installed at one end of the lower part of the frame, and a second push plate for pushing the push handle is installed at the telescopic end of the second electric push rod.

[0016] Furthermore: a protrusion is installed at one end of the upper part of the frame for use with the push handle.

[0017] Beneficial effects of the utility model:

[0018] The utility model is provided with a plurality of clamping assemblies on the conveyor belt and a pushing assembly between the two frames. After unqualified paper is detected, the telescopic end of the first electric push rod can drive the first push plate to extend and push the pushing handle. The pushing handle drives the rotating disk to rotate through the extension shaft, so that the rotating disk can drive the movable clamping plate to rotate through the hinge shaft and squeeze the torsion spring, so that the fixed clamping plate and the movable clamping plate can be opened, so that the paper can fall onto the clamping assembly.

[0019] It plays the role of removing unqualified paper and replacing the traditional manual method of waste collection, which can not only improve work efficiency but also reduce the workload of staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view structural diagram of the present utility model;

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the connection structure of two frames in the utility model;

[0023] Figure 4 This is a schematic diagram of the exploded structure of the clamping assembly in the present utility model;

[0024] Figure 5 It is a three-dimensional structural diagram of the paper feeding mechanism in the utility model.

[0025] The names corresponding to the marks in the figure are:

[0026] 1. Frame; 2. Fixed shaft; 3. Connecting shaft; 4. Conveyor belt; 5. Driving assembly; 51. Motor; 52. First rotating shaft; 53. Transmission wheel; 6. First mounting plate; 7. Clamping assembly; 71. First mounting seat; 72. Fixed clamping plate; 73. Articulated shaft; 74. Movable clamping plate; 75. Torsion spring; 76. Sleeve; 77. Rotating disk; 78. Extension shaft; 79. Pushing handle; 8. Pushing assembly; 81. Second mounting plate; 82. First electric push rod; 83. First push plate; 9. Cam; 10. Second mounting seat; 11. Pressing shaft; 12. Side plate; 13. Fixed plate; 14. Second rotating shaft; 15. Support plate; 16. Second motor; 17. Gear; 18. Chain; 19. Pushing and grabbing; 20. Second electric push rod; 21. Second push plate; 22. Bump. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0028] Embodiments of the present utility model:

[0029] An online detection and automatic waste rejection system for a rotary printing press includes a waste rejection mechanism and a paper feeding mechanism, and the paper feeding mechanism is located at the conveying end of the waste rejection mechanism. Through the setting of the paper feeding mechanism, paper can be conveyed to the waste rejection mechanism. A collection platform for storing qualified paper is installed at the output end of the paper mechanism, and a collection platform for collecting waste paper is installed in the middle position of the lower part of the waste rejection mechanism (the collection platform is already in the existing technology and will not be described in detail in this application). Through the setting of the two collection platforms, qualified paper and waste paper can be classified and stored.

[0030] Specifically, the waste rejection mechanism includes two parallel frames 1. It should be noted that the two ends of the frame 1 are horizontal, and the middle part of the frame 1 is inclined. When the discarded paper is rejected, the discarded paper can fall smoothly, reducing the situation where the discarded paper is clamped by the paper on both sides and causes falling compensation. In addition, several fixed shafts 2 are fixed at equal intervals between the frames 1. Through the setting of several fixed shafts 2, on the one hand, it plays a role in fixing the two frames 1 so that the two frames 1 form an integral structure. On the other hand, it plays a role in supporting the conveyor belt 4. A rotating plate is fixed at the bottom end of the two frames 1, and the same connecting shaft 3 is rotatably installed between the two rotating plates. Through the setting of the connecting shaft 3, one end of the conveyor belt 4 can rotate on the connecting shaft 3.

[0031] The same drive assembly 5 is installed at the ends of the two frames 1. Specifically, the drive assembly 5 includes a motor 51 installed on one side of one of the frames 1. The motor 51 can be a stepper motor. The output shaft of the motor 51 extends to a first rotating shaft 52 fixed between the two frames 1, and two transmission wheels 53 are fixed on the first rotating shaft 52. A conveyor belt 4 is installed on each transmission wheel 53, and the other end of the conveyor belt 4 is installed on the connecting shaft 3. The middle part of the conveyor belt 4 forms a line contact with several fixed shafts 2, thereby supporting the conveyor belt 4. It should be noted that a cam 9 is also fixed on the fixed shaft 2. Through the setting of the cam 9, the conveyor belt 4 is limited to prevent the conveyor belt 4 from offsetting on the fixed shaft 2.

[0032] A plurality of first mounting plates 6 are installed between the two conveyor belts 4, and a clamping assembly 7 is installed on each first mounting plate 6. The setting of the clamping assembly 7 plays a role in clamping the paper; specifically, the clamping assembly 7 includes a first mounting seat 71 fixed to the outside of the first mounting plate 6, and a fixed clamping plate 72 is fixed to one end of the first mounting seat 71, and a hinge shaft 73 is rotatably installed on the fixed clamping plate 72, and a movable clamping plate 74 is fixed on the hinge shaft 73. It should be noted that a torsion spring 75 is installed on the hinge shaft 73, and the setting of the torsion spring 75 plays a role in clamping the paper. The two ends of 75 are respectively inserted into the interior of the sleeve 76, and the two sleeves 76 are respectively fixed to the inner wall of the fixed clamping plate 72 and the movable clamping plate 74. The setting of the sleeve 76 plays a role in limiting the torsion spring 75 to prevent the torsion spring 75 from moving. Both ends of the hinge shaft 73 pass through the fixed clamping plate 72 and are fixed with a rotating disk 77, and an extension shaft 78 is fixed on one side of the rotating disk 77, and a pushing handle 79 is fixed on the side of the extension shaft 78 away from the rotating disk 77. Through the setting of the rotating disk 77, the extension shaft 78 and the pushing handle 79, the work of pressing the movable clamping plate 74 downward can be guaranteed.

[0033] A pushing assembly 8 is also installed between the two frames 1, and the pushing assembly 8 is located directly above the waste paper collection platform. Specifically, the pushing assembly 8 includes a second mounting plate 81 fixed between the two frames 1, and first electric push rods 82 are installed at both ends of the second mounting plate 81. The telescopic end of the first electric push rod 82 is installed with a first push plate 83 used in conjunction with the pushing handle 79; through the setting of the pushing assembly 8, the pushing handle 79 is pushed, so that the clamping assembly 7 can be opened and the waste paper can fall onto the waste paper collection platform.

[0034] A second electric push rod 20 is installed on the outer side of the lower part of the frame 1, and a second push plate 21 for pushing the push handle 79 is installed at the telescopic end of the second electric push rod 20. Through the cooperation of the second electric push rod 20 and the second push plate 21, each clamping component 7 can be forced to open, so that each clamping component 7 needs to clamp the paper.

[0035] A protrusion 22 is fixed to the outer side of the upper part of the frame 1. Through the setting of the protrusion 22, each clamping assembly 7 can be opened, so that the clamping assembly 7 can put qualified paper onto the qualified paper collection platform.

[0036] A second mounting seat 10 is fixed at the corner of the frame 1, and a pressure shaft 11 for pressing down the conveyor belt 4 is rotatably installed on one side of the second mounting seat 10. Through the setting of the pressure shaft 11, the conveyor belt 4 is pressed down to prevent the conveyor belt 4 from detaching from the several fixed shafts 2.

[0037] The paper feeding mechanism includes two side plates 12 parallel to each other, a fixed plate 13 is fixed between the two side plates 12, and a support plate 15 for dragging the paper is fixed on the fixed plate 13. Through the setting of the support plate 15, the paper is dragged, and a second rotating shaft 14 is provided on both sides of the fixed plate 13, and the two ends of the second rotating shaft 14 are rotatably mounted on the side plates 12. One end of one of the second rotating shafts 14 passes through the side plate 12 and is equipped with a second motor 16. Through the setting of the second motor 16, it plays a driving role. Gears 17 are fixed at both ends of the second rotating shaft 14, and the same chain 18 is installed on the two gears 17 on the same side, and a number of push grabs 19 for pushing the paper are equidistantly installed on the chain 18. Through the cooperation of the second motor 16, the gear 17, the chain 18 and the push grab 19, the paper can be pushed.

[0038] After the detection of the paper (paper detection has been in the prior art, this application does not make a detailed description) is delivered to the upper part of the pallet 15, the second motor 16 is started, the output end of the second motor 16 can drive one of the second rotating shaft 14 to rotate, through the cooperation of the two second rotating shaft 14, the chain 18 can be driven to rotate, so that the chain 18 can drive several pushers 19 to move at the same time, when the pusher 19 moves, it can push the paper forward at equal intervals, so as to push the paper away at equal intervals, if the paper is delivered to the lower end of the rejection mechanism, the second electric push rod 20 is started, so that the telescopic end of the second electric push rod 20 can drive the second push plate 21 to move downward, so that the second push plate 21 can push the handle 79 during the downward movement, the handle 79 drives the rotating disc 77 to rotate through the extension shaft 78, the rotating disc 77 drives the movable clamping plate 74 to rotate through the hinge shaft 73, so that the movable clamping plate 74 is opened from the fixed clamping plate 72, then the paper can be delivered between the fixed clamping plate 72 and the movable clamping plate 74, when the telescopic end of the second electric push rod 20 is retracted and drives the second push plate 21 to move upward, the extrusion force on the push handle 79 is lost, the torsion spring 75 recovers from the extrusion state to the original state and drives the movable clamping plate 74 to rotate upward, through the cooperation of the fixed clamping plate 72 and the movable clamping plate 74, the paper can be clamped; then the motor 51 is started, the output shaft of the motor 51 drives the transmission wheel 53 to rotate through the first rotating shaft 52, the transmission wheel 53 drives the conveyor belt 4 to drive, so that the conveyor belt 4 can drive several clamping assemblies 7 to move during transmission, after the unqualified paper is delivered to the lower part of the push assembly 8, the telescopic end of the first electric push rod 82 is extended and drives the first push plate 83 to move, then the clamping assembly 7 is opened in the same way as above, so that the unqualified paper falls into the collection platform for collecting waste paper, if the qualified paper is delivered to the upper part of the frame 1, if the clamping assembly 7 moves to the position of the protrusion 22, the push handle 79 is extruded by the protrusion 22, then the clamping assembly 7 is opened in the same way as above, so that the qualified paper falls into the collection platform for collecting qualified paper, thereby completing the collection work.

Claims

1. An automatic waste rejection system for online detection of a rotary printing press, comprising a waste rejection mechanism and a paper feeding mechanism located at one end of the waste rejection mechanism, characterized in that: The waste rejection mechanism comprises two mutually parallel frames (1), and the two frames (1) are connected by a connecting shaft (3) and a plurality of fixed shafts (2). Two mutually parallel conveyor belts (4) are installed between the two frames (1). A driving assembly (5) used in conjunction with the conveyor belts (4) is installed at the ends of the two frames (1). The conveyor belts (4) are driven and installed on the connecting shaft (3) and a plurality of fixed shafts (2) located on the same side. A plurality of first mounting plates (6) are equidistantly installed between the two conveyor belts (4), and a clamping assembly (7) for clamping paper is installed on the first mounting plate (6). A pushing assembly (8) used in conjunction with the clamping assembly (7) is installed between the two frames (1). When the pushing assembly (8) pushes the clamping assembly (7), the clamping assembly (7) changes from a clamping state to an open state, and the clamped paper falls from the clamping assembly (7).

2. The online detection and automatic rejection system for a rotary printing press according to claim 1, characterized in that: The driving assembly (5) comprises a motor (51) mounted on one side of one of the frames (1); a first rotating shaft (52) is fixed to the output shaft of the motor (51); and two transmission wheels (53) for use with the conveyor belt (4) are fixed to the first rotating shaft (52).

3. The online detection and automatic rejection system for a rotary printing press according to claim 1, characterized in that: The clamping assembly (7) includes a first mounting seat (71) fixed to the outside of the first mounting plate (6), a fixed clamping plate (72) is fixed to one end of the first mounting seat (71), one side of the fixed clamping plate (72) is rotatably connected to the movable clamping plate (74) via a hinge shaft (73), a torsion spring (75) is mounted on the hinge shaft (73), and both ends of the torsion spring (75) are respectively inserted into sleeves (76), and the two sleeves (76) are respectively fixed to the inner side walls of the fixed clamping plate (72) and the movable clamping plate (74).

4. The online detection and automatic rejection system for a rotary printing press according to claim 3, characterized in that: The two ends of the hinge shaft (73) pass through the movable clamping plate (74) and the fixed clamping plate (72) in sequence, and a rotating disk (77) is fixed thereon. An extension shaft (78) is fixed on the rotating disk (77), and a pushing handle (79) is fixed on one end of the extension shaft (78) away from the rotating disk (77).

5. The online detection and automatic rejection system for a rotary printing press according to claim 1, characterized in that: The pushing assembly (8) comprises a second mounting plate (81) fixed between two frames (1), first electric push rods (82) are mounted on both ends of the second mounting plate (81), and a first push plate (83) for use with a pushing handle (79) is mounted on the telescopic end of the first electric push rod (82).

6. The online detection and automatic rejection system for a rotary printing press according to claim 1, characterized in that: Both ends of the frame (1) are horizontal, and the middle portion of the frame (1) is inclined.

7. The online detection and automatic rejection system for a rotary printing press according to claim 6, characterized in that: A second mounting seat (10) is fixed at a corner of the frame (1), and a pressing shaft (11) for pressing down the conveyor belt (4) is rotatably mounted on one side of the second mounting seat (10).

8. The online detection and automatic rejection system for a rotary printing press according to claim 1, characterized in that: The paper feeding mechanism includes two mutually parallel side plates (12), a fixed plate (13) and two rotating second rotating shafts (14) are installed between the two side plates (12), and the fixed plate (13) is located between the two second rotating shafts (14), and a supporting plate (15) for dragging paper is fixed on the top of the fixed plate (13), one end of one of the second rotating shafts (14) passes through the side plate (12) and is installed with a second motor (16), both ends of the two second rotating shafts (14) are installed with gears (17), the same chain (18) is installed on the two gears (17) on the same side, and a plurality of push grippers (19) for pushing paper are installed at equal intervals on the chain (18).

9. The online detection and automatic rejection system for a rotary printing press according to claim 1, characterized in that: A second electric push rod (20) is installed at one end of the lower portion of the frame (1), and a second push plate (21) for pushing a push handle (79) is installed at the telescopic end of the second electric push rod (20).

10. The online detection and automatic rejection system for a rotary printing press according to claim 1, characterized in that: One end of the upper portion of the frame (1) is provided with a protrusion (22) for use in conjunction with a push handle (79).

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