Disc winding component of printing machine
By using a cylinder-rocker-pressure roller structure and a double-disc symmetrical structure, the holding force and limit are dynamically adjusted, which solves the problem of uneven roll tension during the printing press winding process, realizes uniform roll winding and rapid roll change, and improves finished product quality and processing yield.
Patent Information
- Application Number
- CN202522344497.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-05
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-11-05
AI Technical Summary
During the winding process of existing printing presses, as the outer diameter of the roll increases, the tension cannot be adjusted adaptively, resulting in inconsistent tightness between the middle and edge areas of the roll, which affects the quality of the finished product.
The cylinder-rocker arm-pressure roller structure is used to dynamically adjust the holding force. The winding tension is kept constant through the double disc symmetrical structure and positioning bearing limit. The disc is driven to flip by the reducer to achieve rapid roll changing.
This achieves uniform tension across all areas of the roll material, improving finished product quality and processing yield, reducing rotational errors and offset, and meeting the requirements for high-speed winding.
Smart Images
Figure CN223687727U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printing equipment technical field, concretely relates to a disc winding component of printing machine. BACKGROUND
[0002] The printing machine needs to be wound into a coiled material through a winding roller after completing the printing of the printing material (such as paper). With the improvement of printing speed, the outer diameter of the finished coiled material gradually increases during the winding process. The existing winding method cannot be self-adaptively adjusted due to the change of tension with the outer diameter, resulting in the inconsistency of the tightness of the coiled material in the middle and the edge area. In the subsequent film covering, die cutting and other processes, problems such as material falling off and uneven surface are prone to occur, which seriously affects the quality of the finished product. CONTENT OF THE UTILITY MODEL
[0003] To solve the above problems, the utility model provides a disc winding component of printing machine, which aims to realize constant winding tension through dynamic pressing adjustment and solve the problem of uneven tightness of the coiled material.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a disc winding component of printing machine, including two side plates arranged symmetrically, a turnover assembly is installed on the two side plates; the turnover assembly includes a first support installed on one of the side plates, a rotatable central shaft is installed on the first support, and a disc corresponding to the two side plates is further included; a limiting hole matched with the disc is arranged on the side plate, the disc rotates in the limiting hole, a positioning bearing is installed on the side plate along the edge of the limiting hole, the positioning bearings are arranged in pairs and symmetrically, and part of the positioning bearings extends into the limiting hole and contacts the outer peripheral wall of the disc; the central shaft is coaxially connected with one of the discs, and the rotation of the central shaft is driven by a speed reducer; a winding roller and a cross bar are arranged symmetrically along the central shaft between the discs, the center lines of the two cross bars and the center lines of the two winding rollers are vertically arranged, two rocker arms are hung on the cross bars, a hanging hole for hanging on the cross bar is arranged at one end of the rocker arm, a pressure roller is connected between the other end of the rocker arm, a cylinder corresponding to the rocker arm is arranged on the disc, the piston rod of the cylinder is connected to the peripheral wall of the hanging hole of the rocker arm, and after the cylinder drives the rocker arm to swing, the pressure roller at the other end of the rocker arm is driven by the cylinder, so that the pressure roller maintains a stable pressure on the coiled material on the winding roller.
[0005] The positioning bearing has four parts, which are paired deep groove ball bearings, and are symmetrically embedded in the side plate groove at the edge of the limiting hole.
[0006] The hanging holes of the rocker arms are respectively provided with symmetrically and continuously arranged cross bar limiting grooves, the cross bar limiting grooves are replaced for use after the winding is replaced, the pressure roller has two parts and is symmetrically arranged along the bisector of the rocker arm, the pressure roller is also alternately used after the 180° rotation of the disc to complete the winding, the service life of the pressure roller is improved, the position of the pressure roller and the coiled material is consistent after the winding is replaced, and wear-resistant bushings are arranged at the sleeving positions of the rocker arms and the cross bars to improve the friction resistance.
[0007] The compression roller is made of rubber material, and the surface of the compression roller is provided with anti-skid lines.
[0008] The air cylinder is connected with an air source through an electromagnetic valve, and the electromagnetic valve is electrically connected with a controller of the printing machine.
[0009] The utility model has the advantages of:
[0010] 1. The compression force is dynamically adjusted through the air cylinder-rocker-compression roller structure, the tension attenuation caused by the increase of the winding diameter is offset, the tightness of each area of the winding material is uniform, and the subsequent processing yield is improved.
[0011] 2. The single-point pressure of the winding weight on the central shaft is dispersed through the double-disc symmetric structure cooperating with the limiting bearing, the rotation error and the offset amount are significantly reduced, and the disc overturning function driven by the speed reducer realizes quick roll changing.
[0012] The utility model will be further described below in combination with the drawings and the specific embodiment. DRAWINGS
[0013] Figure 1 The utility model is a structural diagram of the specific embodiment.
[0014] Figure 2 The utility model is a side view structural diagram of the specific embodiment.
[0015] The reference signs are as follows: 1 is a side plate; 2 is a first support; 3 is a central shaft; 4 is a disc; 5 is a limiting hole; 6 is a limiting bearing; 7 is a speed reducer; 8 is a winding roller; 9 is a cross rod; 10 is a rocker; 11 is a compression roller; 12 is an air cylinder; 13 is a motor; 101 is a hanging hole; and 20 is a second support. EMBODIMENT
[0016] The utility model will be further described below in combination with the drawings and the specific embodiment, which is only used for further illustrating the utility model and cannot be understood as limiting the protection scope of the utility model.
[0017] For example, Figure 1 , Figure 2As shown, the embodiment discloses a disc winding component of a printing machine, which comprises two side plates 1 symmetrically arranged, and a turnover assembly installed on the two side plates 1; the turnover assembly comprises a first support 2 installed on one of the side plates 1, a rotatable central shaft 3 installed on the first support 2, and a disc 4 corresponding to each of the side plates 1; the side plate 1 is provided with a limiting hole 5 matched with the disc 4, the disc 4 rotates in the limiting hole 5, the side plate 1 is provided with a positioning bearing 6 arranged along the edge of the limiting hole 5, the positioning bearings 6 are symmetrically arranged in pairs, and part of the positioning bearing 6 extends into the limiting hole 5 and contacts with the outer circumferential wall of the disc 4; the central shaft 3 is coaxially connected with one of the discs 4, and the rotation of the central shaft 3 is driven by a speed reducer 7; the other disc 4 is connected through another central shaft, the other central shaft is rotatably installed on a second support 20, and winding rollers 8 and cross bars 9 symmetrically arranged along the central shaft 3 are arranged between the discs 4; the center lines of the two cross bars 9 and the center lines of the two winding rollers 8 are vertically arranged, the winding rollers 8 are driven by a motor 13, the motor is installed on the disc and is in transmission connection with the winding rollers through a belt, two rocker arms 10 are hung on the cross bars 9, the rocker arms 10 are provided with hanging holes 101 at one end for being hung on the cross bars 9, and pressure rollers 11 are connected between the other ends of the rocker arms 10; the disc 4 is provided with air cylinders 12 corresponding to the rocker arms 10, the piston rods of the air cylinders 12 are connected to the circumferential wall of the hanging hole 101 of the rocker arm 10, and after the air cylinders 12 drive the rocker arms 10 to swing, the pressure rollers 11 at the other ends of the rocker arms 10 are driven by the air cylinders 12 to keep a stable pressure on the winding material on the winding rollers 8, so as to ensure that the tension is consistent with the increase of the winding diameter during the winding process.
[0018] The positioning bearing 6 is four, which is a pair of deep groove ball bearings, and is symmetrically embedded in the side plate groove at the edge of the limiting hole 5.
[0019] The hanging hole 101 of the rocker arm 10 is provided with symmetrically and continuously arranged cross bar limiting grooves at both sides, the cross bar limiting grooves are replaced and used through the air cylinder after the winding is replaced, the pressure rollers are two and are symmetrically arranged along the bisector of the rocker arm, the pressure rollers are also alternately used after the disc rotates 180° to complete the winding, the service life of the pressure rollers is improved, the positions of the pressure rollers and the winding material are consistent after the winding is replaced, and wear-resistant bushings are arranged at the hanging positions of the rocker arms and the cross bars to improve the friction resistance.
[0020] The pressure roller 11 is made of rubber material, and the surface thereof is provided with anti-skid lines to improve the friction force in contact with the winding material.
[0021] The air cylinder 12 is connected to the air source through a solenoid valve, and the solenoid valve is electrically connected with the controller of the printing machine.
[0022] The technical scheme is adopted, the pressure holding force is dynamically adjusted through the cylinder-rocker arm-pressing roller structure, the tension attenuation caused by the increase of the roll diameter is offset, the tightness of each area of the roll material is uniform, the subsequent processing yield is improved, the single-point pressure of the roll material weight on the central shaft is dispersed through the positioning of the double-disc symmetric structure and the positioning bearing, the rotation error and the offset are significantly reduced, and the disc overturning function driven by the speed reducer realizes quick roll changing, and the demand of high-speed winding is met.
Claims
1. A disc winding member of a printing press, characterized in that The application relates to a material rolling device, which comprises two symmetrically arranged side plates (1), a turnover assembly is arranged on the side plates (1), the turnover assembly comprises a first support (2) arranged on one of the side plates (1), a rotatable central shaft (3) is arranged on the first support (2), a disc (4) corresponding to the side plates (1) is arranged on the side plates (1), a limiting hole (5) corresponding to the disc (4) is arranged on the side plate (1), the disc (4) rotates in the limiting hole (5), a positioning bearing (6) is arranged on the side plate (1) along the edge of the limiting hole (5), the positioning bearings (6) are symmetrically arranged in pairs, part of the positioning bearing (6) extends into the limiting hole (5) and is in contact with the outer wall of the disc (4), the central shaft (3) is coaxially connected with one of the discs (4), the rotation of the central shaft (3) is driven by a speed reducer (7), a winding roller (8) and a cross rod (9) are arranged between the discs (4) and are symmetrically arranged along the central shaft (3), the center lines of the two cross rods (9) and the center lines of the two winding rollers (8) are vertically arranged, the winding roller (8) is driven by a motor (13), two swing arms (10) are hung on the cross rod (9), a hanging hole (101) for being hung on the cross rod (9) is arranged at one end of the swing arm (10), a pressure roller (11) is connected between the other ends of the swing arms (10), a pneumatic cylinder (12) corresponding to the swing arm (10) is arranged on the disc (4), the piston rod of the pneumatic cylinder (12) is connected to the wall around the hanging hole (101) of the swing arm (10), after the swing arm (10) is driven to swing by the pneumatic cylinder (12), the pressure roller (11) at the other end of the swing arm (10) is driven by the pneumatic cylinder (12) to keep the pressure roller (11) in stable pressure on the rolled material on the winding roller (8).
2. The disc winding assembly of a printing press according to claim 1, characterized in that, The positioning bearing (6) is a pair of deep groove ball bearings, which are symmetrically embedded in the side plate groove at the edge of the limiting hole (5).
3. The disc winding assembly of a printing press according to claim 1, characterized in that, The hanging hole (101) of the swing arm (10) is provided with symmetrically and continuously arranged cross rod limiting grooves at both sides, the pressure roller is two and is symmetrically arranged along the bisector of the swing arm, and wear-resistant bushings are arranged at the hanging positions of the swing arm (10) and the cross rod (9).
4. The disc winding assembly of a printing press according to claim 1, characterized in that, The pressure roller (11) is made of rubber and is provided with anti-skid lines on the surface.
5. The disc winding assembly of a printing press according to claim 1, characterized in that, The pneumatic cylinder (12) is connected with a gas source through an electromagnetic valve, and the electromagnetic valve is electrically connected with the controller of the printing machine.