Paper conveying device

Abstract

The utility model relates to the technical field of printing machine paper conveying, in particular to a paper conveying device which comprises a conveying mechanism and a lifting mechanism. The transportation mechanism comprises a first guide rail, a transportation vehicle and a supporting plate; one end of the first guide rail extends into a lifting operation area of the lifting mechanism, the transport vehicle is arranged on the first guide rail in a sliding mode, a first positioning piece is arranged on the top face of the transport vehicle, and a second positioning piece matched with the first positioning piece is arranged on the bottom face of the supporting plate; the lifting mechanism comprises at least two lifting blocks synchronously moving in the vertical direction, and the lifting blocks can abut against the bottom face of the supporting plate. According to the utility model, the paper can be quickly supplemented.

Description

Technical Field

[0001] The utility model relates to the technical field of paper conveying of a printing press, in particular to a paper conveying device. Background Art

[0002] In a printing and production workshop, an industrial printing press is generally used. The height of the paper feeding part of the industrial printing press is generally greater than 1.5 meters. Therefore, a lifting mechanism capable of lifting and supporting paper is required. However, in the actual production process, when there is no paper on the supporting plate lifted by the lifting mechanism, the industrial printing press needs to be shut down, and then on-site personnel remove the supporting plate lifted by the lifting mechanism to replace it with a supporting plate carrying paper, and the supporting plate needs to be positioned to ensure that the paper can be picked up by the industrial printing press. However, the positioning of the supporting plate on the lifting mechanism takes a long time, thus affecting the production efficiency. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a paper conveying device capable of quickly completing paper replenishment.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is: a paper conveying device, including a transportation mechanism and a lifting mechanism; the transportation mechanism includes a first guide rail, a transport vehicle and a supporting plate; one end of the first guide rail extends into the lifting operation area of the lifting mechanism, the transport vehicle is slidably arranged on the first guide rail, the top surface of the transport vehicle has a first positioning member, and the bottom surface of the supporting plate is provided with a second positioning member cooperating with the first positioning member;

[0005] The lifting mechanism includes at least two lifting blocks that move synchronously in the vertical direction, and the lifting blocks can abut against the bottom surface of the supporting plate.

[0006] Further, the lifting mechanism further includes a stroke positioning block that intercepts at one end of the first guide rail extending into the lifting operation area of the lifting mechanism.

[0007] Further, the lifting mechanism further includes a second guide rail and a winch; the lifting blocks are slidably arranged on the second guide rail, and the rope of the winch is connected to the lifting blocks.

[0008] Further, the lifting mechanism further includes a position sensor, the detection end of the position sensor faces the top surface of the supporting plate, and the position sensor is communicatively connected to the winch.

[0009] Further, the above paper conveying device further includes a paper trimming mechanism; the paper trimming mechanism includes a third guide rail and a column; the third guide rails are arranged at the same height on both sides of the first guide rail, the column is slidably arranged on the third guide rail, and the sliding direction of the column is perpendicular to the moving direction of the transport vehicle, and a trimming plate is arranged on the column body of the column.

[0010] Further, a third positioning member is provided on the lifting block, and a fourth positioning member cooperating with the third positioning member is provided on the bottom surface of the supporting plate.

[0011] Further, the first positioning member and the third positioning member are positioning columns, and the top of the positioning column is provided with a rounded corner, and the second positioning member and the fourth positioning member are sleeves.

[0012] The beneficial effects of the present utility model are as follows: By using the transport vehicle to move on the first guide rail, the supporting plate carrying the paper can be sent into the lifting operation area of the lifting mechanism. Then, the lifting block can lift the supporting plate from the transport vehicle and lift it to the paper feeding position of the industrial printing machine. When the industrial printing machine is performing printing operations, on-site workers can operate the transport vehicle to exit the lifting operation area of the lifting mechanism and reload the supporting plate on the transport vehicle in advance. At the same time, a first positioning member is added to the top surface of the transport vehicle, and a second positioning member cooperating with the first positioning member is added to the bottom surface of the supporting plate, so that the supporting plate can be positioned on the top surface of the transport vehicle, eliminating the positioning between the lifting block and the supporting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural view of a paper conveying device proposed by the present utility model;

[0014] Figure 2 is a front view schematic structural view of a paper conveying device proposed by the present utility model;

[0015] Figure 3 is a schematic structural view of the transport vehicle of a paper conveying device proposed by the present utility model;

[0016] Figure 4 is a schematic structural view of the bottom surface of the supporting plate of a paper conveying device proposed by the present utility model;

[0017] Reference numerals:

[0018] 1. Transport mechanism; 11. First guide rail; 12. Transport vehicle; 121. First positioning member; 13. Supporting plate; 131. Second positioning member; 132. Fourth positioning member;

[0019] 2. Lifting mechanism; 21. Lifting block; 211. Third positioning member; 22. Stroke positioning block; 23. Second guide rail; 24. Hoist; 25. Position sensor;

[0020] 3. Paper trimming mechanism; 31. Third guide rail; 32. Column; 321. Trimming plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To describe in detail the technical content, achieved objectives and effects of the present utility model, the following will be described in conjunction with the embodiments and with reference to the drawings.

[0022] Please refer to Figures 1 to 4 As shown, a paper conveying device of the present utility model includes a transportation mechanism 1 and a lifting mechanism 2; the transportation mechanism 1 includes a first guide rail 11, a transport vehicle 12 and a support plate 13; one end of the first guide rail 11 extends into the lifting operation area of the lifting mechanism 2, the transport vehicle 12 is slidably arranged on the first guide rail 11, the top surface of the transport vehicle 12 has a first positioning member 121, and the bottom surface of the support plate 13 is provided with a second positioning member 131 that cooperates with the first positioning member 121; the lifting mechanism 2 includes at least two lifting blocks 21 that move synchronously in the vertical direction, and the lifting blocks 21 can abut against the bottom surface of the support plate 13. By moving the transport vehicle 12 on the first guide rail 11, the support plate 13 carrying the paper can be sent into the lifting operation area of the lifting mechanism 2, and then the lifting blocks 21 can lift the support plate 13 from the transport vehicle 12 and lift it to the paper feeding position of the industrial printing machine, so that when the industrial printing machine is performing printing operations, on-site staff can operate the transport vehicle 12 to exit the lifting operation area of the lifting mechanism 2 and reload the support plate 13 on the transport vehicle 12 in advance. At the same time, a first positioning member 121 is added to the top surface of the transport vehicle 12, and a second positioning member 131 that cooperates with the first positioning member 121 is added to the bottom surface of the support plate 13, so that the support plate 13 can be positioned on the top surface of the transport vehicle 12, eliminating the positioning between the lifting blocks 21 and the support plate 13. The preferred first positioning member 121 is a positioning post, and the top of the positioning post is provided with a rounded corner, and the second positioning member 131 is a sleeve.

[0023] In one embodiment, please refer to Figure 1 and Figure 2 As shown, the lifting mechanism 2 further includes a stroke positioning block 22, and the stroke positioning block 22 intercepts one end of the first guide rail 11 that extends into the lifting operation area of the lifting mechanism 2. When the transport vehicle 12 sends the support plate 13 into the lifting operation area of the lifting mechanism 2, by abutting the support plate 13 against the stroke positioning block 22, it is ensured that the transport vehicle 12 transports the support plate 13 to the correct position.

[0024] In one embodiment, please refer to Figure 1 and Figure 2 As shown, the lifting mechanism 2 further includes a second guide rail 23 and a winch 24; the lifting blocks 21 are slidably arranged on the second guide rail 23, and the rope of the winch 24 is connected to the lifting blocks 21. The winch 24 is used to lift the support plate 13 by the lifting blocks 21, and the second guide rail 23 is used to ensure the moving direction of the lifting blocks 21 to ensure the stability of lifting the support plate 13.

[0025] In an alternative embodiment, please refer to Figure 2 As shown, the lifting mechanism 2 further includes a position sensor 25. The detection end of the position sensor 25 faces the top surface of the pallet 13. The position sensor 25 is communicatively connected to the hoist 24. The position sensor 25 is used to determine in real time the distance between the paper on the pallet 13 and the paper feeding position of the industrial printing press, so that during the process of the industrial printing press continuously taking away the paper on the pallet 13, the hoist 24 can drive the lifting block 21 to move according to the message fed back by the position sensor 25.

[0026] In an embodiment, please refer to Figure 1 and Figure 2 As shown, a paper conveying device further includes a paper trimming mechanism 3; the paper trimming mechanism 3 includes a third guide rail 31 and a column 32; the third guide rails 31 are arranged at the same height on both sides of the first guide rail 11, the column 32 is slidably arranged on the third guide rail 31, and the sliding direction of the column 32 is perpendicular to the moving direction of the transport vehicle 12. A trimming plate 321 is arranged on the column body of the column 32. Before the transport vehicle 12 sends the pallet 13 into the lifting operation area of the lifting mechanism 2, the column 32 can be moved on the third guide rail 31 to make the trimming plate 321 abut against the edge of the paper stack on the pallet 13, so as to trim the stacking neatness between the papers as much as possible to ensure the printing quality of the industrial printing press for the paper.

[0027] In an embodiment, please refer to Figure 1 and Figure 4 As shown, a third positioning member 211 is arranged on the lifting block 21, and a fourth positioning member 132 cooperating with the third positioning member 211 is arranged on the bottom surface of the pallet 13. During the process of the lifting block 21 lifting the pallet 13, the cooperation between the third positioning member 211 and the fourth positioning member 132 can ensure the stability of the pallet 13 on the lifting block 21. Preferably, the third positioning member 211 is a positioning post, and a rounded corner is arranged at the top of the positioning post, and the fourth positioning member 132 is a sleeve.

[0028] Embodiment 1

[0029] A paper conveying device, please refer to Figures 1 to 4As shown in the figure, it includes a transportation mechanism 1, a lifting mechanism 2 and a paper trimming mechanism 3; the transportation mechanism 1 includes a first guide rail 11, a transport vehicle 12 and a pallet 13; one end of the first guide rail 11 extends into the lifting operation area of the lifting mechanism 2, the transport vehicle 12 is slidably arranged on the first guide rail 11, the top surface of the transport vehicle 12 has a first positioning member 121, and the bottom surface of the pallet 13 is provided with a second positioning member 131 that cooperates with the first positioning member 121; the lifting mechanism 2 includes a stroke positioning block 22, a second guide rail 23, a winch 24 and at least two lifting blocks 21 that move synchronously in the vertical direction, and the lifting blocks 21 can abut against the bottom surface of the pallet 13; the stroke positioning block 22 intercepts one end of the first guide rail 11 that extends into the lifting operation area of the lifting mechanism 2, the lifting blocks 21 are slidably arranged on the second guide rail 23, the lifting blocks 21 are provided with a third positioning member 211, and the bottom surface of the pallet 13 is provided with a fourth positioning member 132 that cooperates with the third positioning member 211, the rope of the winch 24 is connected to the lifting block 21, and the detection end of the position sensor 25 faces the top surface of the pallet 13, and the position sensor 25 is communicatively connected to the winch 24. The paper trimming mechanism 3 includes a third guide rail 31 and a column 32; the third guide rails 31 are arranged at the same height on both sides of the first guide rail 11, the column 32 is slidably arranged on the third guide rail 31, and the sliding direction of the column 32 is perpendicular to the moving direction of the transport vehicle 12, and a trimming plate 321 is arranged on the column body of the column 32.

[0030] Working principle: By moving the transport vehicle 12 on the first guide rail 11, the pallet 13 carrying the paper can be sent into the lifting operation area of the lifting mechanism 2, and then the lifting block 21 can lift the pallet 13 from the transport vehicle 12 and lift it to the paper feeding position of the industrial printing machine, so that when the industrial printing machine is performing printing operations, on-site workers can operate the transport vehicle 12 to exit the lifting operation area of the lifting mechanism 2 and reload the pallet 13 on the transport vehicle 12 in advance. At the same time, a first positioning member 121 is added to the top surface of the transport vehicle 12, and a second positioning member 131 that cooperates with the first positioning member 121 is added to the bottom surface of the pallet 13, so that the pallet 13 can be positioned on the top surface of the transport vehicle 12, eliminating the need for positioning between the lifting block 21 and the pallet 13.

[0031] Before the transport vehicle 12 sends the pallet 13 into the lifting operation area of the lifting mechanism 2, the column 32 can be moved on the third guide rail 31 to make the trimming plate 321 abut against the edge of the paper stack on the pallet 13, which can trim the stacking neatness between the papers as much as possible to ensure the printing quality of the industrial printing machine for the paper.

[0032] The above are only embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the relevant technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A paper conveying device, characterized in that: It comprises a transport mechanism and a lifting mechanism; the transport mechanism comprises a first guide rail, a transport vehicle and a pallet; one end of the first guide rail extends into the lifting operation area of ​​the lifting mechanism, the transport vehicle is slidably arranged on the first guide rail, the top surface of the transport vehicle has a first positioning member, and the bottom surface of the pallet is provided with a second positioning member that cooperates with the first positioning member; The lifting mechanism comprises at least two lifting blocks which move synchronously in the vertical direction, and the lifting blocks can abut against the bottom surface of the supporting plate.

2. The paper conveying device according to claim 1, characterized in that: The lifting mechanism further comprises a travel positioning block, and the travel positioning block intercepts one end of the first guide rail extending into the lifting operation area of ​​the lifting mechanism.

3. The paper conveying device according to claim 1, characterized in that: The lifting mechanism also includes a second guide rail and a winch; the lifting block is slidably arranged on the second guide rail, and the rope of the winch is connected to the lifting block.

4. The paper conveying device according to claim 3, characterized in that: The lifting mechanism also includes a position sensor, the detection end of which faces the top surface of the support plate, and the position sensor is communicatively connected with the winch.

5. The paper conveying device according to claim 1, characterized in that: It also includes a paper trimming mechanism; the paper trimming mechanism includes a third guide rail and a column; the third guide rails are arranged at the same height on both sides of the first guide rail, the column is slidably arranged on the third guide rail, and the sliding direction of the column is perpendicular to the moving direction of the transport vehicle, and a trimming plate is arranged on the column body of the column.

6. The paper conveying device according to claim 1, characterized in that: The lifting block is provided with a third positioning piece, and the bottom surface of the supporting plate is provided with a fourth positioning piece that cooperates with the third positioning piece.

7. The paper conveying device according to claim 6, characterized in that: The first positioning member and the third positioning member are positioning columns, and the tops of the positioning columns are provided with rounded corners. The second positioning member and the fourth positioning member are sleeves.

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