Roll paper lithographic book and periodical printing machine

Abstract

The utility model discloses a roll paper lithographic book and periodical printing machine which comprises supporting legs, a box body is installed at the top ends of the supporting legs, a workbench is installed at the top end of the box body, an installation frame is installed on one side of the top end of the workbench, a rotating shaft is installed at one end of the installation frame, and a positioning structure is installed at one end of the installation frame. The threaded block is installed on one side of the rotating shaft, the threaded block and the positioning block form threaded connection, a user can grasp the handle to screw the positioning block to rotate, the positioning block can be screwed down, then a paper roll can be installed on the rotating shaft, and then the paper roll can be prevented from falling off by screwing the positioning block. The positioning plate and the mounting frame are connected through a second spring, the elasticity of the second spring can drive the positioning plate to move, the positioning plate moves to press the surface of the paper roll to limit the paper roll, the positioning rod penetrates through the mounting frame and can guide the positioning plate, and therefore the purpose that the paper roll is conveniently limited by the roll paper lithographic book and periodical printing machine is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of printing machine, especially relates to a roll paper lithograph printing machine. BACKGROUND

[0002] The printing machine is the machine that prints character and image, modern printing machine generally comprises the mechanism such as edition, ink application, impression, paper conveying, its working principle is: first, the character and image to be printed are made into printing plate, are installed on printing machine, then by hand or printing machine, ink is applied to the place of printing plate with character and image, is directly or indirectly transferred to paper or other receiving material, to copy the same printing plate with printing product, the invention and development of printing machine, for the spread of human civilization and culture have important role, roll paper printing machine is the printing machine using roll paper as receiving material.

[0003] Therefore, the patent number specification with the publication number CN219636506U discloses a roll paper lithograph printing machine, relating to the technical field of printing. It includes a printing machine main body, a placing rack, a feeding roller, a support arm for supporting the feeding roller, and a feeding assembly for placing the roll paper on the placing rack on the feeding roller; the support arm is arranged at the feeding end of the printing machine main body, the feeding roller is rotatably connected to one end of the support arm, the feeding roller is horizontally arranged, and the placing rack is arranged on the side of the feeding roller away from the support arm; the feeding assembly includes a screw rod, a push plate, and a motor; the screw rod axis is parallel to the feeding roller axis, the screw rod is rotatably connected to the placing rack, the screw rod penetrates the push plate and is threadedly connected with the push plate, the push plate abuts against the end of the roll paper away from the feeding roller, and the motor is coaxially fixedly connected with the screw rod. The motor drives the screw rod to rotate, and the screw rod drives the push plate to automatically convey the roll paper on the placing rack to the feeding roller, so that the staff does not need to manually move the roll paper, the labor intensity of the staff is reduced, and the feeding of the roll paper is facilitated.

[0004] The roll paper lithograph printing machine of the present can basically meet the use requirements of people, but there are still some problems, and the specific problems are as follows:

[0005] 1. The roll paper lithograph printing machine cannot limit the paper roll. When placing paper rolls of different thicknesses, it is difficult to use different paper rolls, and the paper roll may deviate during use, which is difficult to limit.

[0006] 2. The roll paper lithograph printing machine cannot place the paper after processing. After printing, the paper may fall to the ground and need to be placed by a baffle, but the baffle is too long and may affect the passage when not in use. UTILITY MODEL CONTENT

[0007] The utility model discloses a printing machine for web offset printing of books and periodicals, which can position the paper roll and place the processed paper.

[0008] To solve the above technical problems, the utility model provides the following technical scheme: a printing machine for web offset printing of books and periodicals, comprising a supporting leg;

[0009] The top of the supporting leg is provided with a box body, the top of the box body is provided with a workbench, and one side of the top of the workbench is provided with a printer main body.

[0010] One side of the printer main body is provided with a paper receiving structure, the inside of the printer main body is provided with a transmission roller, the inside of the printer main body is provided with a printing roller, and one side of the inside of the printer main body is provided with a cleaning structure.

[0011] One side of the top of the workbench is provided with a mounting bracket, one end of the mounting bracket is provided with a rotating shaft, and one end of the mounting bracket is provided with a positioning structure.

[0012] In use, the paper roll on the rotating shaft can rotate first, the transmission roller can drive the paper to move after the paper roll rotates into the inside of the printer main body, and then the paper is printed through the printing roller. Before printing, the paper can pass between the two brushes, the connecting block and the fixed block at the bottom are connected through the first spring and the guide rod, the first spring clamp is elastic, and the first spring can clamp the brush at the top and the bottom of the paper. In this way, the paper passes through the brush, and the brush can clean the dust on the paper.

[0013] Further, one end of the printer main body is provided with a button, the buttons are arranged at equal intervals at one end of the printer main body, and the button can control the printer main body.

[0014] Further, the paper receiving structure comprises a baffle, a rotating shaft, a connecting shaft, a supporting rod, a fixed plate and a buckle, the fixed plate is installed on one side of the printer main body, the rotating shaft is installed on one side of the printer main body, one side of the rotating shaft is movably connected with the baffle, the bottom of the baffle is provided with the connecting shaft, the bottom of the connecting shaft is provided with the supporting rod, the paper falls on the top of the baffle after printing, the baffle can collect the paper, the baffle can rotate along the rotating shaft, the supporting rod at the bottom of the baffle can rotate along the connecting shaft, and the supporting rod can support the baffle. When it is necessary to fold up the baffle, the supporting rod is rotated so that the supporting rod no longer supports the baffle, and then the baffle can be folded up along the rotating shaft.

[0015] Further, the two ends of the fixed plate are provided with buckles, the bottom of the supporting rod is provided with a clamping groove, the fixed plate and the supporting rod constitute a clamping structure, and the supporting rod can be clamped on the buckle on the fixed plate.

[0016] Further, the cleaning structure comprises a connecting block, a fixing block, a brush, a guide rod and a first spring, the connecting block is installed in the interior of the printer main body, the bottom end of the connecting block is provided with the guide rod, the bottom end of the guide rod is provided with the fixing block, the bottom end of the fixing block is provided with the brush, the top end of the fixing block is provided with the first spring, the first spring drives the brush to be clamped at the top end and the bottom end of the paper, so that the paper passes through the brush, and the brush cleans the dust on the paper.

[0017] Further, the first spring is in the shape of a spiral, the first spring and the fixing block constitute elastic connection, and the first spring has elasticity.

[0018] Further, the positioning structure comprises a positioning plate, a second spring, a positioning rod, a positioning block, a threaded block and a handle, the positioning rod penetrates through one side of the mounting frame, one side of the positioning rod is provided with the positioning plate, one side of the positioning plate is provided with the second spring, one end of the rotating shaft is provided with the threaded block, one side of the threaded block is movably connected with the positioning block, one side of the positioning block is provided with the handle, the threaded block and the positioning block constitute threaded connection, the handle can be gripped to rotate the positioning block, the positioning block can be screwed down, then the paper roll can be installed on the rotating shaft, and the positioning block can be tightened to prevent the paper roll from falling off.

[0019] The web offset printing press has the advantages that: the threaded block is installed on one side of the rotating shaft, the threaded block and the positioning block constitute threaded connection, the handle can be gripped to rotate the positioning block, the positioning block can be screwed down, then the paper roll can be installed on the rotating shaft, the positioning block can be tightened to prevent the paper roll from falling off, the second spring has elasticity, the positioning plate and the mounting frame are connected through the second spring, the elasticity of the second spring drives the positioning plate to move, the movement of the positioning plate presses the paper roll to limit the paper roll, the positioning rod penetrates through the mounting frame, and the positioning rod can guide the positioning plate, so that the web offset printing press can conveniently limit the paper roll.

[0020] The baffle is installed on one side of the printer main body, the printed paper falls on the top end of the baffle, the baffle can collect the paper, the baffle can rotate along the rotating shaft, the supporting rod at the bottom end of the baffle can rotate along the connecting shaft, the supporting rod can be clamped on the buckle on the fixing plate, the supporting rod can support the baffle, when the baffle needs to be collected, the supporting rod is rotated to stop supporting the baffle, and then the baffle is rotated along the rotating shaft to collect the baffle, so that the web offset printing press can conveniently place the paper. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0022] Figure 2 It is the front view sectional structure schematic view of the utility model.

[0023] Figure 3 It is the front view sectional structure schematic view of the utility model. Figure 1 It is the front view sectional structure schematic view of the utility model.

[0024] Figure 4 It is the front view sectional structure schematic view of the utility model.

[0025] Figure 5 It is the front view sectional structure schematic view of the utility model.

[0026] The reference signs in the drawing are explained as follows: 1, workbench; 2, box body; 3, supporting leg; 4, mounting frame; 5, rotating shaft; 6, printing machine main body; 7, button; 8, paper receiving structure; 801, baffle; 802, rotating shaft; 803, connecting shaft; 804, supporting rod; 805, fixed plate; 806, buckle; 9, transmission roller; 10, printing roller; 11, cleaning structure; 1101, connecting block; 1102, fixed block; 1103, brush; 1104, guide rod; 1105, first spring; 12, positioning structure; 1201, positioning plate; 1202, second spring; 1203, positioning rod; 1204, positioning block; 1205, threaded block; 1206, handle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figures 1-5 The utility model provides an embodiment: a web offset book printing machine, including supporting leg 3.

[0029] The top of supporting leg 3 is installed with box body 2, the top of box body 2 is installed with workbench 1, the top of workbench 1 is installed with printing machine main body 6 on one side, one end of printing machine main body 6 is installed with button 7, and button 7 is arranged at equal intervals on one end of printing machine main body 6.

[0030] The side of the printer body 6 is provided with a paper receiving structure 8, which comprises a baffle 801, a rotating shaft 802, a connecting shaft 803, a supporting rod 804, a fixed plate 805 and a buckle 806. The fixed plate 805 is installed on the side of the printer body 6, and the two ends of the fixed plate 805 are provided with buckles 806. The bottom end of the supporting rod 804 is provided with a clamping groove, and the fixed plate 805 and the supporting rod 804 form a clamping structure.

[0031] The rotating shaft 802 is installed on the side of the printer body 6, and the baffle 801 is movably connected to one side of the rotating shaft 802. The bottom end of the baffle 801 is provided with the connecting shaft 803, and the bottom end of the connecting shaft 803 is provided with the supporting rod 804.

[0032] Referring to FIGS. 1-4, Figures 1-3 After the paper is printed, it will fall on the top end of the baffle 801. The baffle 801 can collect the paper. The baffle 801 can rotate along the rotating shaft 802. The supporting rod 804 at the bottom end of the baffle 801 can rotate along the connecting shaft 803. The supporting rod 804 can be clamped on the buckle 806 on the fixed plate 805. The supporting rod 804 can support the baffle 801. When the baffle 801 needs to be collected, the supporting rod 804 is rotated so that the supporting rod 804 no longer supports the baffle 801. Then the baffle 801 can be collected by rotating along the rotating shaft 802.

[0033] The inside of the printer body 6 is provided with a transmission roller 9. The inside of the printer body 6 is provided with a printing roller 10. One side of the inside of the printer body 6 is provided with a cleaning structure 11, which comprises a connecting block 1101, a fixed block 1102, a brush 1103, a guide rod 1104 and a first spring 1105. The connecting block 1101 is installed in the inside of the printer body 6. The bottom end of the connecting block 1101 is provided with the guide rod 1104. The bottom end of the guide rod 1104 is provided with the fixed block 1102. The bottom end of the fixed block 1102 is provided with the brush 1103. The top end of the fixed block 1102 is provided with the first spring 1105. The shape of the first spring 1105 is spiral. The first spring 1105 and the fixed block 1102 form an elastic connection.

[0034] Referring to FIGS. 1-4, Figure 2 and FIGS. 1-4, Figure 5As shown, the paper roll on the rotating shaft 5 can rotate, and after the paper roll rotates into the inside of the printing machine body 6, the transmission roller 9 can drive the paper to move, and then the printing roller 10 is used for printing. Before printing, the paper can pass between the two brushes 1103, and the connecting block 1101 and the fixed block 1102 at the bottom are connected by the first spring 1105 and the guide rod 1104. The first spring 1105 is clamped elastic, and the first spring 1105 clamps the brush 1103 at the top and bottom of the paper. In this way, when the paper passes through the brush 1103, the brush 1103 can clean the dust on the paper. The guide rod 1104 can be telescopic, and the guide rod 1104 can prevent the fixed block 1102 from deviating.

[0035] A mounting frame 4 is mounted on one side of the top of the workbench 1, one end of the mounting frame 4 is provided with a rotating shaft 5, one end of the mounting frame 4 is provided with a positioning structure 12, the positioning structure 12 comprises a positioning plate 1201, a second spring 1202, a positioning rod 1203, a positioning block 1204, a threaded block 1205 and a handle 1206, the positioning rod 1203 penetrates through one side of the mounting frame 4, one side of the positioning rod 1203 is provided with the positioning plate 1201, one side of the positioning plate 1201 is provided with the second spring 1202, the threaded block 1205 is mounted on one end of the rotating shaft 5, one side of the threaded block 1205 is movably connected with the positioning block 1204, and one side of the positioning block 1204 is provided with the handle 1206.

[0036] Referring to the accompanying drawings Figure 1 and the accompanying drawings Figure 4 As shown, the threaded block 1205 and the positioning block 1204 constitute a threaded connection, the handle 1206 can be gripped to rotate the positioning block 1204, the positioning block 1204 can be screwed down, then the paper roll can be mounted on the rotating shaft 5, and then the positioning block 1204 can be tightened to prevent the paper roll from falling off. The second spring 1202 has a spring, the positioning plate 1201 and the mounting frame 4 are connected by the second spring 1202, the elasticity of the second spring 1202 drives the positioning plate 1201 to move, the movement of the positioning plate 1201 presses the surface of the paper roll to limit the paper roll, and the positioning rod 1203 penetrates through the mounting frame 4. The positioning rod 1203 can guide the positioning plate 1201.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A web offset press, comprising a support leg (3); Characterized in that: The top end of the support leg (3) is provided with a box (2), the top end of the box (2) is provided with a workbench (1), one side of the top end of the workbench (1) is provided with a printer body (6); One side of the printer body (6) is provided with a paper receiving structure (8), the inside of the printer body (6) is provided with a transmission roller (9), the inside of the printer body (6) is provided with a printing roller (10), one side of the inside of the printer body (6) is provided with a cleaning structure (11); One side of the top end of the workbench (1) is provided with a mounting bracket (4), one end of the mounting bracket (4) is provided with a rotating shaft (5), one end of the mounting bracket (4) is provided with a positioning structure (12).

2. A web offset press according to claim 1, characterized in that: One end of the printer body (6) is provided with a button (7), the buttons (7) are arranged at equal intervals at one end of the printer body (6).

3. A web offset press according to claim 1 wherein: The paper receiving structure (8) comprises a baffle (801), a rotating shaft (802), a connecting shaft (803), a supporting rod (804), a fixed plate (805) and a buckle (806), the fixed plate (805) is installed on one side of the printer body (6), the rotating shaft (802) is installed on one side of the printer body (6), one side of the rotating shaft (802) is movably connected with the baffle (801), the bottom end of the baffle (801) is provided with the connecting shaft (803), and the bottom end of the connecting shaft (803) is provided with the supporting rod (804).

4. A web offset press according to claim 3 wherein: Both ends of the fixed plate (805) are provided with buckles (806), the bottom end of the supporting rod (804) is provided with a clamping groove, and the fixed plate (805) and the supporting rod (804) constitute a clamping structure.

5. A web offset press according to claim 1 wherein: The cleaning structure (11) comprises a connecting block (1101), a fixed block (1102), a brush (1103), a guide rod (1104) and a first spring (1105), the connecting block (1101) is installed in the printer body (6), the bottom end of the connecting block (1101) is provided with the guide rod (1104), the bottom end of the guide rod (1104) is provided with the fixed block (1102), the bottom end of the fixed block (1102) is provided with the brush (1103), and the top end of the fixed block (1102) is provided with the first spring (1105).

6. A web offset press according to claim 5 wherein: The first spring (1105) is in the shape of a spiral, and the first spring (1105) and the fixed block (1102) constitute an elastic connection.

7. A web offset press according to claim 1 wherein: Said positioning structure (12) includes a positioning plate (1201), a second spring (1202), a positioning rod (1203), a positioning block (1204), a threaded block (1205) and a handle (1206), one side of the positioning rod (1203) is penetrated in the mounting rack (4), one side of the positioning rod (1203) is provided with the positioning plate (1201), one side of the positioning plate (1201) is provided with the second spring (1202), one end of the threaded block (1205) is installed on the rotating shaft (5), one side of the threaded block (1205) is movably connected with the positioning block (1204), and one side of the positioning block (1204) is provided with the handle (1206).

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