Gauge paper lifting and conveying device

Abstract

The utility model discloses a gauge paper lifting and conveying device, and relates to the technical field of die-cutting machines. A paper conveying mechanism, a front paper blocking mechanism, a side paper arrangement mechanism, a rear paper arrangement mechanism and a lifting mechanism are installed on the machine frame. The paper conveying mechanism comprises a plurality of conveying rollers rotationally installed on the rack, and the conveying rollers are arranged in the X direction. The front paper blocking mechanism is arranged on the downstream of the paper conveying mechanism in the X direction. The side paper guide mechanism is arranged between the front paper blocking mechanism and the rear paper guide mechanism in the X direction and comprises a left paper guide mechanism and a right paper guide mechanism, and the left paper guide mechanism and the right paper guide mechanism are symmetrically arranged on the two sides of the paper conveying mechanism in the Y direction; the rear paper guide mechanism is arranged on the upstream of the side paper guide mechanism in the X direction; and the lifting mechanism is arranged below the conveying rollers. The paper stacks can be arranged, maximization of space utilization and high efficiency of the operation process are achieved, the production cost can be effectively reduced, and the flexibility and the response speed of a production line are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of die-cutting machines, in particular to a gauge paper lifting and conveying device. Background Art

[0002] After the corrugated cardboard is die-cut, it undergoes a series of sorting steps to ensure smooth transport to the packaging process before being picked up and palletized by the robotic arm. These steps include, but are not limited to, conveying, leveling, and lifting. Conveying ensures smooth transfer of the stack to the next process; leveling ensures that the edges of the sheets within the stack are even for subsequent packaging; and lifting ensures that the stack is positioned at the correct height for easy pick-up by the robotic arm.

[0003] Traditionally, workers need to perform multiple operations on the paper stacks according to the sorting steps to complete the process. During this process, workers need to use different devices to complete different sorting actions. These mechanical structures take up a lot of space, affecting the installation of other surrounding equipment, resulting in low space utilization and increased production costs. In addition, the process is cumbersome, and workers need to transfer the paper stacks between each device, which reduces production efficiency. Utility Model Content

[0004] In view of this, the technical problem to be solved by the present invention is: to provide a paper-gauging lifting and conveying device that can organize paper stacks, maximize space utilization and improve the efficiency of the operation process, effectively reduce production costs, and improve the flexibility and response speed of the production line.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] The paper-guiding lifting and conveying device comprises a frame; a paper feeding mechanism, a front paper stop mechanism, a side paper-guiding mechanism, a rear paper-guiding mechanism and a lifting mechanism are installed on the frame;

[0007] The paper feeding mechanism includes a plurality of conveying rollers rotatably mounted on the frame, wherein the plurality of conveying rollers are arranged along an X direction, which is defined as a moving direction of the paper stack, and the plurality of conveying rollers cooperate with each other to convey the paper stack;

[0008] The front paper stopper is arranged downstream of the paper feeding mechanism along the X direction, and is used to block the paper stack;

[0009] The side paper-guiding mechanism is arranged between the front paper-stopping mechanism and the rear paper-guiding mechanism along the X direction, and the side paper-guiding mechanism includes a left paper-guiding mechanism and a right paper-guiding mechanism. The left paper-guiding mechanism and the right paper-guiding mechanism are symmetrically arranged on both sides of the paper-feeding mechanism along the Y direction, and the Y direction is perpendicular to the X direction. The left paper-guiding mechanism and the right paper-guiding mechanism cooperate with each other to guide the paper stack on the left side and the right side.

[0010] The rear paper-guiding mechanism is arranged upstream of the side paper-guiding mechanism along the X direction, and the rear paper-guiding mechanism cooperates with the front paper-blocking mechanism to perform rear and side paper-guiding on the paper stack;

[0011] The lifting mechanism is arranged below the conveying roller, and the lifting end of the lifting mechanism is used to pass through the gap between two adjacent conveying rollers to lift the paper stack after the paper is measured to a specified height.

[0012] Preferably, the front paper stopper mechanism comprises a front lifting cylinder and a paper stopper;

[0013] The front lifting cylinder is fixedly arranged on the frame in a vertical direction, and the piston rod of the front lifting cylinder is fixedly connected to the paper baffle.

[0014] Preferably, two front guide shafts are provided between the front lifting cylinder and the paper baffle, and the two front guide shafts are respectively provided on both sides of the piston rod of the front lifting cylinder along the Y direction;

[0015] A front linear bearing seat adapted to the front guide shaft is installed on the front lifting cylinder.

[0016] Preferably, the left paper-guiding mechanism and the right paper-guiding mechanism have the same structure; both include a Y-direction cylinder, at least one adjusting rod and a side alignment paperboard;

[0017] The Y-direction cylinder is fixed on the frame along the Y-direction, and the piston rod of the Y-direction cylinder is connected to the adjusting rod;

[0018] The adjusting rod is adjustable in position along the Y direction, and the adjusting rod is fixedly connected to the side alignment paper board.

[0019] Preferably, the piston rod of the Y-direction cylinder is fixedly connected to the side gauge paper mounting seat, and the adjustment rod is mounted on the side gauge paper mounting seat so as to be adjustable in the Y direction; there are two adjustment rods, the two adjustment rods are arranged along the X direction, and the adjustment rods are provided with an adjustment slot arranged along the Y direction;

[0020] Two side guide shafts are arranged between the side guide paper mounting seat and the frame, and the two side guide shafts are respectively arranged on both sides of the piston rod of the Y-direction cylinder along the X direction.

[0021] Preferably, the rear paper aligning mechanism includes a rear lifting cylinder, an X-direction cylinder and at least one rear paper aligning rack;

[0022] The rear lifting cylinder is fixedly mounted on the frame in a vertical direction;

[0023] The X-direction cylinder is arranged along the X-direction, and the X-direction cylinder is connected to the piston rod of the rear lifting cylinder; the rear paper aligning rack is arranged vertically, and the rear paper aligning rack is connected to the piston rod of the X-direction cylinder with an adjustable position along the X-direction, and the X-direction cylinder is used to drive the rear paper aligning rack to move back and forth along the X-direction.

[0024] Preferably, the rear paper gauge mechanism further comprises a rear paper gauge mounting plate and at least one X-direction slider rail assembly, the rear paper gauge mounting plate is fixedly connected to the piston rod of the rear lifting cylinder, and the X-direction cylinder is mounted on the rear paper gauge mounting plate;

[0025] The slider of the X-direction slider rail assembly is connected to the rear paper aligning rack, and the rail of the X-direction slider rail assembly is fixedly connected to the rear paper aligning mounting plate;

[0026] Two rear guide shafts are arranged between the rear gauge paper mounting plate and the rear lifting cylinder, and the two rear guide shafts are respectively arranged on both sides of the piston rod of the rear lifting cylinder along the Y direction.

[0027] Preferably, the lifting mechanism includes a lifting cylinder, a lifting plate and a plurality of push rods;

[0028] The lifting cylinder is fixedly mounted on the frame in a vertical direction, and the piston rod of the lifting cylinder is fixedly connected to the lifting plate;

[0029] A plurality of push rods are installed on the lifting plate, and the push rods are arranged between two adjacent conveying rollers.

[0030] Preferably, the lifting mechanism includes a fixing frame fixedly connected to the frame, and the lifting cylinder is connected to the fixing frame;

[0031] Two lifting guide shafts are provided between the lifting plate and the fixing frame. The two lifting guide shafts are respectively provided on both sides of the piston rod of the lifting cylinder along the Y direction. A lifting linear bearing seat adapted to the lifting guide shafts is installed on the fixing frame.

[0032] The piston rod of the lifting cylinder and the lifting plate are fixedly connected via a floating joint.

[0033] Preferably, the paper feeding mechanism includes a paper feeding motor and a driving chain;

[0034] The paper feeding motor is installed on the frame and is located below the feeding roller;

[0035] The paper feeding motor is connected to at least one of the conveying rollers through the driving chain, and two adjacent conveying rollers are connected to each other through a driven sprocket chain assembly.

[0036] After adopting the above technical solution, the beneficial effects of the utility model are:

[0037] Since the present application includes a frame; a paper feeding mechanism, a front paper stop mechanism, a side paper guide mechanism, a rear paper guide mechanism and a lifting mechanism are installed on the frame; wherein the paper feeding mechanism includes a plurality of conveying rollers rotatably mounted on the frame, the plurality of conveying rollers are arranged along the X direction, the X direction is defined as the moving direction of the paper stack, and the plurality of conveying rollers cooperate with each other to convey the paper stack; the front paper stop mechanism is arranged downstream of the paper feeding mechanism along the X direction, and the front paper stop mechanism is used to block the paper stack; the side paper guide mechanism is arranged between the front paper stop mechanism and the rear paper guide mechanism along the X direction, and the side paper guide mechanism includes a left The left and right paper-guiding mechanisms are symmetrically arranged on both sides of the paper-feeding mechanism along the Y direction, and the Y direction is perpendicular to the X direction. The left and right paper-guiding mechanisms cooperate with each other to guide the left and right sides of the paper stack; the rear paper-guiding mechanism is arranged upstream of the side paper-guiding mechanism along the X direction, and the rear paper-guiding mechanism cooperates with the front paper-blocking mechanism to guide the rear side of the paper stack; the lifting mechanism is arranged below the conveying roller, and the lifting end of the lifting mechanism passes through the gap between the two adjacent conveying rollers to lift the paper stack after paper guiding to a specified height.

[0038] When the stack of paper needs to be straightened and lifted for packaging, the paper feed mechanism transports the stack along the X-axis and is stopped by the front paper stop. After the stack is stopped, the left and right paper straightening mechanisms on both sides approach the stack along the Y-axis. They cooperate with each other to straighten the paper on the left and right sides of the stack. After the straightening action on both sides is completed, the rear paper straightening mechanism approaches the stack until it abuts the stack and cooperates with the front paper stop to complete the straightening action on the stack. During this process, the left and right paper straightening mechanisms on both sides remain in contact with the stack. After the rear paper straightening mechanism completes the straightening action, the front paper stop, side paper straightening mechanisms, and rear paper straightening mechanisms return to their initial positions, and the lifting mechanism lifts the stack to the specified height. During the paper stacking and lifting process, multiple mechanisms are integrated on one frame, reducing the occupied space and maximizing space utilization. At the same time, the entire action process is standardized and efficient, replacing the traditional method of manually using different devices to complete different sorting actions, effectively reducing labor costs and production costs, improving production efficiency, and enhancing the flexibility and response speed of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0040] Figure 1 This is a structural diagram of a paper-gauging lifting and conveying device according to an embodiment of the present invention;

[0041] Figure 2 yes Figure 1 Schematic diagram of the structure of the front-center paper stopper mechanism;

[0042] Figure 3 yes Figure 1 A magnified view of part A;

[0043] Figure 4 yes Figure 1 The main view;

[0044] Figure 5 yes Figure 1 Schematic diagram of the structure of the middle and rear paper-gauging mechanism;

[0045] Figure 6 This is a state diagram of the rear paper-guiding mechanism and the front paper-blocking mechanism cooperating to guide the paper stack backward;

[0046] Figure 7 Figure 1 Structural diagram of the lifting mechanism;

[0047] Figure 8 A schematic structural diagram of the paper feeding mechanism in an embodiment of the present invention;

[0048] Figure 9 yes Figure 8 A top view of

[0049] In the picture:

[0050] 1. Frame;

[0051] 2. Paper feeding mechanism; 21. Feeding roller; 22. Paper feeding motor; 23. Driving chain; 24. Driven sprocket chain assembly;

[0052] 3. Front paper stop mechanism; 31. Front lifting cylinder; 32. Paper stopper; 33. Front guide shaft; 34. Front linear bearing seat;

[0053] 4. Side paper guide mechanism; 41. Left paper guide mechanism; 42. Right paper guide mechanism; 43. Y-axis cylinder; 44. Adjustment rod; 441. Adjustment slot; 45. Side alignment board; 46. Side paper guide mounting seat; 47. Side guide shaft;

[0054] 5. Rear paper guide mechanism; 51. Rear lifting cylinder; 52. X-axis cylinder; 53. Rear paper aligner; 54. Rear paper guide mounting plate; 55. X-axis slider rail assembly; 56. Rear guide shaft;

[0055] 6. Lifting mechanism; 61. Lifting cylinder; 62. Lifting plate; 63. Ejector rod; 64. Fixing frame; 65. Lifting guide shaft; 66. Lifting linear bearing seat; 67. Floating joint;

[0056] 7. Paper stack. DETAILED DESCRIPTION

[0057] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0058] like Figures 1 to 9 As shown in the figure, the utility model includes a frame 1; a paper feeding mechanism 2, a front paper stop mechanism 3, a side paper guide mechanism 4, a rear paper guide mechanism 5 and a lifting mechanism 6 are installed on the frame 1; wherein the paper feeding mechanism 2 includes a plurality of conveying rollers 21 rotatably mounted on the frame 1, and the plurality of conveying rollers 21 are arranged along the X direction, defining the X direction as the moving direction of the paper stack 7, and the plurality of conveying rollers 21 cooperate with each other to convey the paper stack 7; the front paper stop mechanism 3 is arranged downstream of the paper feeding mechanism 2 along the X direction, and the front paper stop mechanism 3 is used to block the paper stack 7; the side paper guide mechanism 4 is arranged between the front paper stop mechanism 3 and the rear paper guide mechanism 5 along the X direction, and the side paper guide mechanism 4 includes The left paper-guiding mechanism 41 and the right paper-guiding mechanism 42 are symmetrically arranged on both sides of the paper feeding mechanism 2 along the Y direction, and the Y direction is perpendicular to the X direction. The left paper-guiding mechanism 41 and the right paper-guiding mechanism 42 cooperate with each other to guide the paper on the left and right sides of the paper stack 7; the rear paper-guiding mechanism 5 is arranged upstream of the side paper-guiding mechanism 4 along the X direction, and the rear paper-guiding mechanism 5 cooperates with the front paper-blocking mechanism 3 to guide the paper on the rear side of the paper stack 7; the lifting mechanism 6 is arranged below the conveying roller 21, and the lifting end of the lifting mechanism 6 passes through the gap between the two adjacent conveying rollers 21 to lift the paper stack 7 after paper-guiding to a specified height.

[0059] After die-cutting, the cardboard sheets are stacked to form a paper stack 7. When the paper stack 7 needs to be straightened and lifted for packaging, the paper feed mechanism 2 conveys the paper stack 7 along the X-direction and is stopped by the front paper stopper 3. After the paper stack 7 is stopped, the left and right straightening mechanisms 41 and 42 on both sides approach the paper stack 7 along the Y-direction and cooperate with each other to straighten the paper stack 7 on the left and right sides. After the straightening operation on both sides is completed, the rear straightening mechanism 5 approaches the paper stack 7 until it abuts the paper stack 7 and cooperates with the front paper stopper 3 to complete the straightening operation on the paper stack 7. During this process, the left and right straightening mechanisms 41 and 42 on both sides continue to abut the paper stack 7. After the rear straightening mechanism 5 completes the straightening operation, the front paper stopper 3, the side straightening mechanisms 4, and the rear straightening mechanism 5 return to their initial positions, and the lifting mechanism 6 lifts the paper stack 7 to a specified height. During the process of sizing and lifting the paper stack 7, multiple mechanisms are integrated on one frame 1, which reduces the occupied space and maximizes the space utilization; at the same time, the entire action process is standardized and efficient, replacing the traditional method of manually using different devices to complete different sorting actions, effectively reducing labor costs and production costs, improving production efficiency, and enhancing the flexibility and response speed of the production line.

[0060] In the present application, the paper feeding mechanism 2 includes a paper feeding motor 22 and a driving chain 23. The paper feeding motor 22 is mounted on the frame 1 and is located below the conveyor roller 21. The paper feeding motor 22 is power-connected to at least one conveyor roller 21 via the driving chain 23, and two adjacent conveyor rollers 21 are power-connected via a driven sprocket chain assembly 24. In the present application, the driven sprocket chain assembly 24 is a double-row sprocket chain assembly, the sprockets of which are mounted on the ends of the conveyor roller 21. The chain of the driven sprocket chain assembly 24 connects two adjacent conveyor rollers 21 together. The power of the paper feeding motor 22 is transmitted to each conveyor roller 21 via the driving chain 23 and the driven sprocket chain assembly 24, thereby driving the conveyor rollers 21 to rotate.

[0061] The front paper stop mechanism 3 includes a front lifting cylinder 31 and a paper stopper 32; the front lifting cylinder 31 is fixedly mounted on the frame 1 in the vertical direction, and the piston rod of the front lifting cylinder 31 is fixedly connected to the paper stopper 32. The front lifting cylinder 31 is used to drive the paper stopper 32 to move back and forth vertically to perform front paper stop on the paper stack 7. Two front guide shafts 33 are provided between the front lifting cylinder 31 and the paper stopper 32, and the two front guide shafts 33 are respectively arranged on both sides of the piston rod of the front lifting cylinder 31 along the Y direction; a front linear bearing seat 34 compatible with the front guide shafts 33 is installed on the front lifting cylinder 31. During the process of the paper stopper 32 moving back and forth vertically, the two front guide shafts 33 guide the paper stopper 32.

[0062] The left paper guiding mechanism 41 and the right paper guiding mechanism 42 have the same structure; both include a Y-direction cylinder 43, at least one adjusting rod 44 and a side alignment paperboard 45; the Y-direction cylinder 43 is fixedly mounted on the frame 1 along the Y direction, and the piston rod of the Y-direction cylinder 43 is connected to the adjusting rod 44; the adjusting rod 44 is adjustable in position along the Y direction, and the adjusting rod 44 is fixedly connected to the side alignment paperboard 45.

[0063] The Y-axis cylinder 43 drives the side alignment board 45 toward the paper stack 7 via the adjustment rod 44. The two side alignment boards 45 cooperate with each other to complete the left and right paper alignment of the paper stack 7. The adjustment rod 44 is adjustable in the Y-axis and can be adjusted according to the left and right widths of the paper stack 7 to meet the paper alignment requirements of different specifications.

[0064] Preferably, the piston rod of the Y-direction cylinder 43 is fixedly connected to the side gauge paper mounting base 46, and an adjustment rod 44 is mounted on the side gauge paper mounting base 46 so that its position can be adjusted along the Y direction. There are two adjustment rods 44, each arranged along the X direction. Each adjustment rod 44 has an adjustment slot 441 extending along the Y direction. The adjustment rod 44 is mounted on the side gauge paper mounting base 46 via a bolt passing through the adjustment slot 441. The bolt engages with the adjustment slot 441 to adjust the position of the adjustment rod 44 along the X direction. Two side guide shafts 47 are provided between the side gauge paper mounting base 46 and the frame 1. The two side guide shafts 47 are respectively arranged along the X direction on either side of the piston rod of the Y-direction cylinder 43. The two side guide shafts 47 guide the side gauge paper mounting base 46 during its vertical reciprocating movement.

[0065] The rear paper aligning mechanism 5 includes a rear lifting cylinder 51, an X-direction cylinder 52 and at least one rear paper aligning rack 53; the rear lifting cylinder 51 is fixedly mounted on the frame 1 in the vertical direction; the X-direction cylinder 52 is arranged along the X direction and is connected to the piston rod of the rear lifting cylinder 51; the rear paper aligning rack 53 is arranged vertically and is connected to the piston rod of the X-direction cylinder 52, and the position of the rear paper aligning rack 53 in the X direction is adjustable. The X-direction cylinder 52 is used to drive the rear paper aligning rack 53 to move back and forth in the X direction. When the paper stack 7 is rear-aligned by the rear paper-aligning mechanism 5, the rear paper-aligning mechanism 5 needs to cooperate with the paper stopper 32 of the front paper-blocking mechanism 3. Specifically, the paper stopper 32 blocks the front side of the paper stack 7. After the rear lifting cylinder 51 lifts the X-direction cylinder 52 and the rear paper-aligning rack 53 to a specified height, the X-direction cylinder 52 pushes the rear paper-aligning rack 53 toward the paper stack 7. The rear paper-aligning rack 53 cooperates with the paper stopper 32 to perform rear-alignment on the paper stack 7. In this process, the paper stopper 32 also relatively achieves front-alignment for the paper stack 7.

[0066] During the raising and lowering process of the rear paper aligner 53, it is necessary to avoid it. Specifically, a avoidance opening for avoiding the rear paper aligner 53 is provided on the paper feeding mechanism 2, and part of the conveying rollers 21 are installed on the outside of the avoidance opening, and the rear paper aligner 53 is located in the avoidance opening.

[0067] The rear paper gauge mechanism 5 also includes a rear paper gauge mounting plate 54 and at least one X-direction slider rail assembly 55. The rear paper gauge mounting plate 54 is fixedly connected to the piston rod of the rear lift cylinder 51, and the X-direction cylinder 52 is mounted on the rear paper gauge mounting plate 54. The number of X-direction slider rail assemblies 55 matches the number of rear paper aligners 53, both being two. The sliders of the X-direction slider rail assembly 55 are connected to the rear paper aligner 53, and the rails of the X-direction slider rail assembly 55 are fixedly connected to the rear paper gauge mounting plate 54.

[0068] Two rear guide shafts 56 are provided between the rear gauge paper mounting plate 54 and the rear lifting cylinder 51. The two rear guide shafts 56 are respectively provided on both sides of the piston rod of the rear lifting cylinder 51 along the Y direction. During the vertical reciprocating movement of the rear gauge paper mounting plate 54, the rear guide shafts 56 guide it.

[0069] After paper stacking, the paper stack 7 is lifted by the lifting mechanism 6 to a specified height so that it can be grasped by the robot gripper. The lifting mechanism 6 is located between the front paper stop 3, the left paper-guiding mechanism 41, the right paper-guiding mechanism 42, and the rear paper-guiding mechanism 5, and is located below the conveyor roller 21. The lifting mechanism 6 includes a lifting cylinder 61, a lifting plate 62, and a plurality of push rods 63. The lifting cylinder 61 is vertically fixed to the frame 1, and the piston rod of the lifting cylinder 61 is fixedly connected to the lifting plate 62. A plurality of push rods 63 are mounted on the lifting plate 62, and the push rods 63 are located between two adjacent conveyor rollers 21. The lifting cylinder 61 drives the push rods 63 to move vertically back and forth through the lifting plate 62. The push rods 63 pass between the two conveyor rollers 21 and rise to lift the paper stack 7.

[0070] The lifting mechanism 6 also includes a fixed frame 64 fixedly connected to the frame 1, and the lifting cylinder 61 is connected to the fixed frame 64; two lifting guide shafts 65 are arranged between the lifting plate 62 and the fixed frame 64, and the two lifting guide shafts 65 are respectively arranged on both sides of the piston rod of the lifting cylinder 61 along the Y direction, and a lifting linear bearing seat 66 compatible with the lifting guide shaft 65 is installed on the fixed frame 64; the piston rod of the lifting cylinder 61 and the lifting plate 62 are fixedly connected through a floating joint 67.

[0071] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A paper-gauge lifting and conveying device, comprising a frame; characterized in that: The frame is equipped with a paper feeding mechanism, a front paper stop mechanism, a side paper guide mechanism, a rear paper guide mechanism and a lifting mechanism; The paper feeding mechanism includes a plurality of conveying rollers rotatably mounted on the frame, wherein the plurality of conveying rollers are arranged along an X direction, which is defined as a moving direction of the paper stack, and the plurality of conveying rollers cooperate with each other to convey the paper stack; The front paper stopper is arranged downstream of the paper feeding mechanism along the X direction, and is used to block the paper stack; The side paper-guiding mechanism is arranged between the front paper-stopping mechanism and the rear paper-guiding mechanism along the X direction, and the side paper-guiding mechanism includes a left paper-guiding mechanism and a right paper-guiding mechanism. The left paper-guiding mechanism and the right paper-guiding mechanism are symmetrically arranged on both sides of the paper-feeding mechanism along the Y direction, and the Y direction is perpendicular to the X direction. The left paper-guiding mechanism and the right paper-guiding mechanism cooperate with each other to guide the paper stack on the left side and the right side. The rear paper-guiding mechanism is arranged upstream of the side paper-guiding mechanism along the X direction, and the rear paper-guiding mechanism cooperates with the front paper-blocking mechanism to perform rear and side paper-guiding on the paper stack; The lifting mechanism is arranged below the conveying roller, and the lifting end of the lifting mechanism is used to pass through the gap between two adjacent conveying rollers to lift the paper stack after the paper is measured to a specified height.

2. The paper-lifting and conveying device according to claim 1, characterized in that: The front paper stopper mechanism includes a front lifting cylinder and a paper stopper; The front lifting cylinder is fixedly arranged on the frame in a vertical direction, and the piston rod of the front lifting cylinder is fixedly connected to the paper baffle.

3. The paper-lifting and conveying device according to claim 2, characterized in that: Two front guide shafts are provided between the front lifting cylinder and the paper plate, and the two front guide shafts are respectively provided on both sides of the piston rod of the front lifting cylinder along the Y direction; A front linear bearing seat adapted to the front guide shaft is installed on the front lifting cylinder.

4. The paper-lifting and conveying device according to claim 1, characterized in that: The left paper-guiding mechanism and the right paper-guiding mechanism have the same structure; both include a Y-direction cylinder, at least one adjusting rod and a side alignment paperboard; The Y-direction cylinder is fixed on the frame along the Y-direction, and the piston rod of the Y-direction cylinder is connected to the adjusting rod; The adjusting rod is adjustable in position along the Y direction, and the adjusting rod is fixedly connected to the side alignment paper board.

5. The paper-lifting and conveying device according to claim 4, characterized in that: The piston rod of the Y-direction cylinder is fixedly connected to the side guide paper mounting seat, and the adjustment rod is mounted on the side guide paper mounting seat in an adjustable position along the Y direction; there are two adjustment rods, the two adjustment rods are arranged along the X direction, and the adjustment rods are provided with an adjustment slot arranged along the Y direction; Two side guide shafts are arranged between the side guide paper mounting seat and the frame, and the two side guide shafts are respectively arranged on both sides of the piston rod of the Y-direction cylinder along the X direction.

6. The paper-lifting and conveying device according to claim 1, characterized in that: The rear paper aligning mechanism includes a rear lifting cylinder, an X-direction cylinder and at least one rear paper aligning rack; The rear lifting cylinder is fixedly mounted on the frame in a vertical direction; The X-direction cylinder is arranged along the X-direction, and the X-direction cylinder is connected to the piston rod of the rear lifting cylinder; the rear paper aligning rack is arranged vertically, and the rear paper aligning rack is connected to the piston rod of the X-direction cylinder with an adjustable position along the X-direction, and the X-direction cylinder is used to drive the rear paper aligning rack to move back and forth along the X-direction.

7. The paper-lifting and conveying device according to claim 6, characterized in that: The rear paper gauge mechanism further includes a rear paper gauge mounting plate and at least one X-direction slider rail assembly, wherein the rear paper gauge mounting plate is fixedly connected to the piston rod of the rear lifting cylinder, and the X-direction cylinder is mounted on the rear paper gauge mounting plate; The slider of the X-direction slider rail assembly is connected to the rear paper aligning rack, and the rail of the X-direction slider rail assembly is fixedly connected to the rear paper aligning mounting plate; Two rear guide shafts are arranged between the rear gauge paper mounting plate and the rear lifting cylinder, and the two rear guide shafts are respectively arranged on both sides of the piston rod of the rear lifting cylinder along the Y direction.

8. The paper-lifting and conveying device according to claim 1, characterized in that: The lifting mechanism includes a lifting cylinder, a lifting plate and a plurality of push rods; The lifting cylinder is fixedly mounted on the frame in a vertical direction, and the piston rod of the lifting cylinder is fixedly connected to the lifting plate; A plurality of push rods are installed on the lifting plate, and the push rods are arranged between two adjacent conveying rollers.

9. The paper-lifting and conveying device according to claim 8, characterized in that: The lifting mechanism includes a fixed frame fixedly connected to the frame, and the lifting cylinder is connected to the fixed frame; Two lifting guide shafts are provided between the lifting plate and the fixing frame. The two lifting guide shafts are respectively provided on both sides of the piston rod of the lifting cylinder along the Y direction. A lifting linear bearing seat adapted to the lifting guide shafts is installed on the fixing frame. The piston rod of the lifting cylinder and the lifting plate are fixedly connected via a floating joint.

10. The paper-raising and conveying device according to claim 1, characterized in that: The paper feeding mechanism includes a paper feeding motor and a driving chain; The paper feeding motor is installed on the frame and is located below the feeding roller; The paper feeding motor is connected to at least one of the conveying rollers through the driving chain, and two adjacent conveying rollers are connected to each other through a driven sprocket chain assembly.

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