Printing machine leveling device
By designing a leveling machine at the front end of the printing press, and using the high-temperature medium of the rotating press roller and spiral tube to level the cardboard, the problem of poor leveling effect in the prior art is solved, and a higher quality printing effect is achieved.
Patent Information
- Application Number
- CN202421200659.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-29
AI Technical Summary
The existing printing press leveling device has poor effect when leveling the cardboard, resulting in some areas being unable to level, affecting the quality of the printing pattern.
A leveling machine is designed including a front end of the printing press. A plurality of rotating press rollers and guide blocks are provided in the leveling machine. A spiral tube is arranged below the press roller, which circulates hot water or steam and passes through a driving mechanism. and springs provide top thrust, ensuring smoothing of the cardboard and high-temperature ironing.
Through this device, the cardboard can achieve comprehensive leveling under the adjustment of the leveling machine and guide blocks, while the use of high-temperature media ensures the flatness of the cardboard surface and improves the quality of the printing pattern.
Smart Images

Figure CN222271605U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of leveling, in particular to a leveling device for a printing press. Background Art
[0002] When a printing press prints on a cardboard, in order to ensure the quality of the printed pattern, the printed surface of the cardboard needs to be leveled. The existing leveling device has a poor leveling effect, and some areas of the cardboard cannot be leveled. Utility Model Content
[0003] The main purpose of the utility model is to provide a printing press leveling device to solve the problems in the above-mentioned background technology.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: comprising a printing press installed on a conveyor, a leveling machine is provided at the front end of the printing press, the leveling machine is fixed on both sides of the conveyor, a plurality of rotating rollers are provided in the leveling machine, guide blocks are provided on both sides below the pressure rollers, and the guide blocks are fixed on the conveyor;
[0005] A plurality of sliding bearing seats are arranged in the leveling machine, and both ends of the pressure roller are pressed against the bearing seats for rotation. A spiral tube is arranged in the pressure roller, and hot water or steam is circulated in the spiral tube.
[0006] Preferably, a slide groove is provided in the fixed seat in the leveling machine, and slide rails are fixed on both sides of the slide groove, and both sides of the bearing seat slide against the slide rails.
[0007] Preferably, an adjusting rod is fixedly provided on the top of the bearing seat, the end of the adjusting rod passes through the fixing seat, a nut is provided on the end of the adjusting rod, and the nut abuts against the fixing seat;
[0008] A spring is arranged on the outer side of the adjusting rod, one end of the spring abuts against the bearing seat, and the other end abuts against the fixing seat.
[0009] Preferably, a driving mechanism is provided on one side of the leveling machine, and the driving mechanism includes a first sprocket, a second sprocket and a chain. The first sprocket is fixedly connected to the end of the pressure roller, the chain connects the first sprocket and the second sprocket, and a motor connected to the second sprocket is provided on one side of the second sprocket, and the motor is fixed on the conveyor.
[0010] Preferably, there are two pressure rollers, and a tensioner is provided between the two corresponding first sprockets, with the end of the tensioner resting on the chain.
[0011] Preferably, both ends of the spiral tube are pressed against the pressure roller for rotation via bearings, and both ends of the spiral tube are provided with an air inlet and an air outlet.
[0012] The utility model provides a printing press leveling device, which has the following beneficial effects:
[0013] 1. The cardboard is adjusted in position by the leveling machine and the guide block below, and the upper surface of the cardboard is leveled to ensure the quality of the printed pattern;
[0014] 2. The pressure roller is pushed against the cardboard by the spring and rotates. At the same time, the high-temperature medium introduced into the spiral tube irons the upper surface of the cardboard at high temperature to ensure the leveling quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0016] Figure 1 It is a top view of the overall structure of the utility model;
[0017] Figure 2 It is a side view of the leveling machine of the utility model;
[0018] Figure 3 This is a view of the connection between the driving mechanism of the utility model and the leveling machine;
[0019] Figure 4 This utility model Figure 1 AA section view in;
[0020] In the figure: conveyor 1; printing machine 2; guide block 3; leveler 4; fixed seat 401; slide groove 402; slide rail 403; bearing seat 404; spring 405; adjustment rod 406; driving mechanism 5; first sprocket 501; second sprocket 502; chain 503; tensioner 504; air inlet 6; air outlet 7; pressure roller 8; spiral tube 9. DETAILED DESCRIPTION
[0021] like Figures 1 to 4 As shown, a printing press leveling device comprises a printing press 2 mounted on a conveyor 1, a leveling machine 4 is provided at the front end of the printing press 2, the leveling machine 4 is fixed on both sides of the conveyor 1, a plurality of rotating pressure rollers 8 are provided in the leveling machine 4, guide blocks 3 are provided on both sides below the pressure rollers 8, and the guide blocks 3 are fixed on the conveyor 1;
[0022] A plurality of sliding bearing seats 404 are arranged in the leveling machine 4, and the two ends of the pressure roller 8 are pressed against the bearing seats 404 for rotation. A spiral tube 9 is arranged in the pressure roller 8, and hot water or steam is circulated in the spiral tube 9. According to this structure, the leveling machine 4 is arranged at the front end of the printing machine 2 on the conveyor 1, and the two sides of the leveling machine 4 are fixed on the conveyor 1. A rotating pressure roller 8 is arranged in the leveling machine 4, and the pressure roller 8 is located above the conveyor 1. Guide blocks 3 are arranged on both sides below the pressure roller 8, and the guide blocks 3 are fixed on the conveyor 1. Under the action of the pressure roller 8 and the conveyor 1, the cardboard enters the guide block 3 for positioning, and at the same time, the pressure roller 8 is pressed against the printing surface for leveling. Hot water or steam is circulated in the spiral tube 9 in the pressure roller 8, so that the cardboard can be leveled by high-temperature ironing to ensure the leveling quality.
[0023] Preferred as Figure 1 As shown, a leveler 4 and a printing press 2 are sequentially installed on the conveyor 1. The cardboard is first leveled by the leveler 4 and then enters the printing press 2 for printing. The leveler 4 is fixed on both sides of the conveyor 1. Two rotating rollers 8 are arranged inside the leveler 4. Guide blocks 3 are arranged on both sides below the rollers 8. The guide blocks 3 are fixed on the conveyor 1. The cardboard can be corrected and positioned by the guide blocks 3 on both sides to ensure the quality of the printed pattern entering the printing press 2.
[0024] Preferred as Figure 2~3 As shown, two slide grooves 402 are arranged in the fixed seat 401 in the leveling machine 4, and the two sides of the bearing seat 404 slide against the slide rails 403 in the slide grooves 402. An adjusting rod 406 and a spring 405 are arranged between the top of the bearing seat 404 and the fixed seat 401. The top of the adjusting rod 406 is fixed to the fixed seat 401 by a nut, and the tensioning distance of the spring 405 can be adjusted to be suitable for cardboards of different thicknesses. The spring 405 can provide a thrust force so that the pressure roller 8 is pressed against the cardboard. Further preferably, a driving mechanism 5 is arranged on one side of the leveling machine 4, and the first sprocket 501 in the driving mechanism 5 is fixed to the end of the pressure roller 8, and the motor drives the second sprocket 502 to rotate. The first sprocket 501 and the second sprocket 502 are connected by a chain 503, and the motor is fixed to the conveyor 1. A tensioner 504 is arranged on the chain 503, and the tensioner 504 is used to tension the chain 503.
[0025] Preferred as Figure 4 As shown, both ends of the pressure roller 8 rest against the bearing seat 404 for rotation, a spiral tube 9 is provided in the pressure roller 8, both ends of the spiral tube 9 rest against the pressure roller 8 through bearings, an air inlet 6 and an air outlet 7 are provided at both ends of the spiral tube 9, the air inlet 6 and the air outlet 7 are respectively connected to the outlet and reflux port of the steam generator, or are connected to the outlet and reflux port of the hot water boiler; further preferably, a pump is provided at the air inlet 6, and when the pipeline pressure is too low, transportation is carried out by pumping.
[0026] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.
Claims
1. A printing press leveling device, comprising a printing press (2) mounted on a conveyor (1), characterized in that: A leveler (4) is provided at the front end of the printing machine (2), the leveler (4) is fixed on both sides of the conveyor (1), a plurality of rotating pressure rollers (8) are provided in the leveler (4), guide blocks (3) are provided on both sides below the pressure rollers (8), and the guide blocks (3) are fixed on the conveyor (1); A plurality of sliding bearing seats (404) are arranged in the leveling machine (4), and both ends of the pressure roller (8) are pressed against the bearing seats (404) for rotation. A spiral tube (9) is arranged in the pressure roller (8), and hot water or steam is circulated in the spiral tube (9).
2. A printing press leveling device according to claim 1, characterized in that: A slide groove (402) is provided in a fixed seat (401) in the leveling machine (4), slide rails (403) are fixedly provided on both sides of the slide groove (402), and both sides of the bearing seat (404) slide against the slide rails (403).
3. A printing press leveling device according to claim 2, characterized in that: An adjusting rod (406) is fixedly provided on the top of the bearing seat (404), the end of the adjusting rod (406) passes through the fixing seat (401), and a nut is provided on the end of the adjusting rod (406), and the nut abuts against the fixing seat (401); A spring (405) is provided on the outer side of the adjusting rod (406), one end of the spring (405) abuts against the bearing seat (404), and the other end of the spring (405) abuts against the fixing seat (401).
4. A printing press leveling device according to claim 1, characterized in that: A driving mechanism (5) is provided on one side of the leveling machine (4), the driving mechanism (5) comprising a first sprocket (501), a second sprocket (502) and a chain (503), the first sprocket (501) being fixedly connected to the end of the pressure roller (8), the chain (503) connecting the first sprocket (501) and the second sprocket (502), and a motor connected to the second sprocket (502) is provided on one side of the second sprocket (502), and the motor is fixed on the conveyor (1).
5. A printing press leveling device according to claim 4, characterized in that: There are two pressure rollers (8), and a tensioner (504) is provided between the two corresponding first sprocket wheels (501), with the end of the tensioner (504) resting on the chain (503).
6. A printing press leveling device according to claim 1, characterized in that: The two ends of the spiral tube (9) are supported by bearings in the pressure roller (8) for rotation, and the two ends of the spiral tube (9) are provided with an air inlet (6) and an air outlet (7).