CN210366164U - Rewinding machine for producing coreless roll paper - Google Patents
Rewinding machine for producing coreless roll paper Download PDFInfo
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- CN210366164U CN210366164U CN201921124084.4U CN201921124084U CN210366164U CN 210366164 U CN210366164 U CN 210366164U CN 201921124084 U CN201921124084 U CN 201921124084U CN 210366164 U CN210366164 U CN 210366164U
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- rewinding
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Abstract
The utility model discloses a rewinding machine for producing centreless stock form, including last rewinding roller and lower rewinding roller, the rear side activity of going up between rewinding roller and the lower rewinding roller is provided with rides the roller, goes up rewinding roller and rewinding roller down and rides and be formed with the rewinding chamber between the roller, and the below of going up the rewinding roller is provided with the take-up device that is close to with the roll surface of last rewinding roller, and the both sides of take-up device are connected with the roller of rewinding roller down respectively, can freely adjust the interval between take-up device and the last rewinding roller, the utility model discloses overall structure is simple, and it is convenient to make, and convenient to use can realize the disconnected paper of machine that does not stop, the roll-up to the interval of roll-up passageway can be adjusted at will, and then can be applicable to different specification paper take-up, stock form work, and application range is wide to overall structure job stabilization, the book core of the finished product scroll of rolling out is.
Description
Technical Field
The utility model relates to a rewinding machine, specific theory relates to a simple structure, and convenient to use can realize not stopping machine and break paper, play the book to make convenient rewinding machine that is used for producing centreless stock form, belong to rewinding machine technical field.
Background
Rewinding machines capable of continuously producing paper rolls with or without cores appear in the market, so that the production efficiency of the paper rolls is greatly improved.
The core tube is placed at a rewinding position, a rewinding roller driven to rotate by power drives the core tube to rotate, meanwhile, materials such as paper, films and the like are supplied to the rewinding position, and the materials such as the paper, the films and the like are rolled on the core tube to complete rewinding operation to form a wound roll material.
The basic working principle of the coreless paper roll rewinding machine is that paper is directly fed to a rewinding position, a coreless rewinding mechanism is used for automatically rolling up materials, and a rewinding roller drives the rolled paper to continuously rotate to form a paper roll.
As patent numbers: 201410375138.X discloses a coreless paper roll rewinding machine, wherein a curved surface close to the roll surface of the upper rewinding roll is arranged below the upper rewinding roll, a winding channel is formed by the roll surface of the upper rewinding roll and a gap between the curved surface, the outlet end of the winding channel faces to the roll gap between the upper rewinding roll and the lower rewinding roll, from the inlet end to the outlet end of the winding channel, the gap between the curved surface and the upper rewinding roll is gradually increased, and the curved surface is provided with an air suction port for adsorbing paper at the position close to the inlet end of the winding channel.
This type of centreless scroll rewinding machine can realize not shutting down the book, improves production efficiency, but this type of rewinding machine adopts the alternative negative pressure of upper and lower rewinding axle to induced draft and realize not shutting down the change of lap of stock form and rise the book, and the stock form that produces rises to roll up the fold length, and the upper and lower rewinding roller processing degree of difficulty is big, and is with high costs.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a simple structure, convenient to use can realize not stopping the machine disconnected paper, the roll-up to make convenient rewinding machine that is used for producing centreless stock form.
In order to solve the technical problem, the utility model provides a following technical scheme:
the rewinding machine comprises an upper rewinding roller and a lower rewinding roller, a riding roller is movably arranged on the rear side between the upper rewinding roller and the lower rewinding roller, a rewinding cavity is formed between the upper rewinding roller and the lower rewinding roller, a winding device close to the roller surface of the upper rewinding roller is arranged below the upper rewinding roller, the two sides of the winding device are respectively connected with the roller shafts of the lower rewinding roller, and the distance between the winding device and the upper rewinding roller can be freely adjusted.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the winding device comprises an arc-shaped plate, the upper end surface of the arc-shaped plate is provided with a curved surface matched with the roller surface of the upper rewinding roller, and the curved surface of the arc-shaped plate is close to the roller surface of the upper rewinding roller and forms a winding channel together with the roller surface of the upper rewinding roller.
Further optimization: the two ends of the arc-shaped plate are respectively and fixedly connected to the connecting plate, one end, close to the lower rewinding roller, of the connecting plate is rotatably connected with the roller shaft of the lower rewinding roller, the other end of the connecting plate is connected with the driving device, and the driving device drives the connecting plate to rotate around the roller shaft of the lower rewinding roller to adjust the distance between the arc-shaped plate and the winding channel formed by the upper rewinding roller.
Further optimization: the distance between the arc-shaped plate and the upper rewinding roller is 0.5-15 MM.
Further optimization: the paper feeding end of the rolling channel is arranged in the arc plate, the position of the paper feeding end of the rolling channel is close to the arc plate, a plurality of air suction holes communicated with the vacuum suction cavities are formed in the arc plate, negative pressure is formed in the vacuum suction cavities, air suction is carried out through the air suction holes, and paper passing through the rolling channel is sucked.
Further optimization: rough surfaces for increasing friction force are respectively processed on the outer surface of the upper rewinding roller and the curved surface of the arc-shaped plate.
Further optimization: and one side of the arc-shaped plate, which is close to the lower rewinding roller, is respectively provided with a plurality of connecting teeth which are uniformly distributed at intervals along the length direction of the arc-shaped plate, and the connecting teeth respectively extend upwards along the curved surface of the arc-shaped plate.
Further optimization: a plurality of annular grooves matched with the connecting teeth for use are uniformly formed in the outer circle roll surface of the lower rewinding roll at intervals along the length direction of the lower rewinding roll.
Further optimization: the connecting teeth are respectively arranged in the grooves, so that the connecting part of the curved surface of the arc-shaped plate and the round roller surface of the lower rewinding roller forms a smooth transition section, and the paper roll is more stably conveyed without idle rotation and material clamping.
Further optimization: and two ends of the lower rewinding roller are respectively and rotatably connected with a space adjusting device for adjusting the space between the lower rewinding roller and the upper rewinding roller.
By adopting the technical scheme, when the paper roll changing device is used, when the roll changing device needs to change the roll of the rewinding paper in the working process of the equipment, the riding roller accelerates to rotate to take the paper roll out of the rewinding cavity, meanwhile, the negative pressure air control valve is opened, so that negative pressure is formed in the vacuum adsorption cavity, the paper is torn through the suction of the suction holes, and the paper is broken at the position of the punching line so as to achieve the effect of paper cutting without stopping;
the head of the paper which is broken after the paper is cut off is continuously sucked by the air suction holes in the arc-shaped plate, so that the paper which is subsequently sent is stacked on the winding channel to form folds, the paper which is folded after the negative pressure air control valve is closed is twisted into a paper roll by the rotation of the upper rewinding roller and the friction force between the paper and the arc-shaped plate, the paper roll is gradually sent into the rewinding cavity along with the rotation of the upper rewinding roller and the lower rewinding roller, and meanwhile, the lower rewinding roller can be matched with the speed reduction so that the paper roll can smoothly enter the rewinding cavity, and the purpose of winding without stopping is achieved.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, overall structure is simple, and it is convenient to make, and convenient to use can realize not stopping the machine disconnected paper, the roll-up to the interval of roll-up passageway can be adjusted at will, and then can be applicable to different specification papers roll-up, stock form work, and application range is wide, and overall structure job stabilization, the book core of the finished product scroll of rolling up is level and smooth pleasing to the eye.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic structural view of an arc plate in the embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of the installation and matching structure of the lower rewinding roller and the arc-shaped plate in the embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at B;
FIG. 6 is a schematic structural view of the embodiment of the present invention during paper breaking;
FIG. 7 is a state diagram of the embodiment of the present invention when the curl is formed;
FIG. 8 is a state diagram during reeling according to an embodiment of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at C;
FIG. 10 is an enlarged view of a portion of FIG. 9 at D;
FIG. 11 is a diagram illustrating a rolled state in an embodiment of the present invention;
fig. 12 is a partial enlarged view of fig. 11 at E.
In the figure: 1-winding the roll; 2-lower rewinding roller; 3, riding rollers; 4-rewinding cavity; 5-arc-shaped plates; 6-a reeling channel; 7-vacuum adsorption cavity; 8-a suction hole; 9-negative pressure pneumatic control valve; 10-a connecting plate; 11-a cylinder; 12-connecting teeth; 13-grooves.
Detailed Description
Example (b): as shown in fig. 1-5, a rewinding machine for producing coreless roll paper comprises an upper rewinding roller 1 and a lower rewinding roller 2, a riding roller 3 is movably arranged at the rear side between the upper rewinding roller 1 and the lower rewinding roller 2, a rewinding cavity 4 is formed between the upper rewinding roller 1 and the riding roller 3, a winding device close to the roller surface of the upper rewinding roller 1 is arranged below the upper rewinding roller 1, two sides of the winding device are respectively connected with the roller shafts of the lower rewinding roller 2, and the distance between the winding device and the upper rewinding roller 1 can be freely adjusted.
The axes of the upper rewinding roller 1 and the lower rewinding roller 2 are parallel to each other.
As shown in fig. 1-3, the winding device includes an arc plate 5, the upper end surface of the arc plate 5 is provided with a curved surface matched with the roll surface of the upper rewinding roll 1, and the upper end curved surface of the arc plate 5 close to the roll surface of the upper rewinding roll 1 and the roll surface of the upper rewinding roll 1 form a winding channel 6.
The paper outlet end of the winding channel 6 faces the roller gap between the upper rewinding roller 1 and the lower rewinding roller 2.
The two ends of the arc-shaped plate 5 are respectively fixedly connected to the connecting plates 10, one end, close to the lower rewinding roller 2, of each connecting plate 10 is rotatably connected with the roller shaft of the lower rewinding roller 2, the other end of each connecting plate 10 is connected with a driving device, and the driving devices drive the connecting plates 10 to rotate around the roller shafts of the lower rewinding rollers 2 to adjust the distance between the arc-shaped plate 5 and the winding channel 6 formed by the upper rewinding rollers 1.
The distance between the arc-shaped plate 5 and the upper rewinding roller 1 is 0.5-15 MM.
The design can be through interval between adjustment arc 5 and the last rewinding roller 1 for the interval of adjustment coiling passageway 6, and then can be applicable to different specification paper and coil, stock form work, application range is wide, and through maintenance and the maintenance that this clearance can be convenient of adjustment, the inconvenient condition of maintenance when avoiding appearing the card material.
The driving device can adopt conventional mechanisms such as a motor, an air cylinder, a hydraulic cylinder and the like, namely, the driving device can drive the connecting plate 10 to rotate around the roll shaft of the lower rewinding roll 2, and the driving device is preferably the air cylinder 11 in the embodiment.
The paper winding device is characterized in that a vacuum adsorption cavity 7 is arranged at a position, close to a paper feeding end of the winding channel 6, in the arc-shaped plate 5, a plurality of air suction holes 8 communicated with the vacuum adsorption cavity 7 are formed in the arc-shaped plate 5, the axis of each air suction hole 8 is perpendicular to the trend of the winding channel 6, and the air suction holes 8 are uniformly distributed at intervals along the length of the arc-shaped plate 5.
The vacuum adsorption cavity 7 is connected with a negative pressure pneumatic control valve 9, and the negative pressure pneumatic control valve 9 is connected with vacuum pump equipment through a vacuum pipeline, so that negative pressure can be formed in the vacuum adsorption cavity 7.
As shown in figure 6, when the paper roll needs to be replaced, the riding roller 3 rotates with higher speed to take the paper roll out of the rewinding cavity 4, meanwhile, the negative pressure pneumatic control valve 9 is opened, negative pressure is formed in the vacuum adsorption cavity 7, air is sucked through the air suction holes 8 to form tearing force on the paper, and the paper is broken at the position of the punching line to achieve the effect of cutting the paper without stopping.
As shown in fig. 6-12, the head of the broken paper continues to be sucked by the suction holes 8 on the arc-shaped plate 5, so that the subsequently fed paper is stacked on the winding channel 6 to form a fold, and after the negative pressure pneumatic control valve 9 is closed, the folded paper is twisted into a paper roll by the rotation of the upper rewinding roller 1 and the friction force between the paper and the arc-shaped plate 5, and the paper roll is gradually fed into the rewinding chamber 4 along with the rotation of the upper rewinding roller 1 and the lower rewinding roller 2.
Design like this, can form the negative pressure through negative pressure gas accuse valve 9 control vacuum adsorption chamber 7, and then can make 8 upper ends of suction holes breathe in for the paper that passes through in rolling up passageway 6 is inhaled and is realized disconnected paper and rolling up, and through vacuum adsorption chamber 7 can increase the suction when 8 of suction holes breathe in, but also can make a plurality of suction holes 8 breathe in step, facilitate the use.
As shown in fig. 1-5, rough surfaces for increasing friction force or materials for sticking the rough surfaces are respectively processed on the outer surface of the upper rewinding roller 1 and the curved surface of the arc-shaped plate 5.
By the design, the friction force between the paper and the floating winding roller 1 and the arc-shaped plate 5 can be increased by the rough surfaces of the upper winding roller 1 and the arc-shaped plate 5, and the winding effect can be improved.
As shown in fig. 1 and fig. 4-5, a plurality of connecting teeth 12 are respectively arranged on one side of the arc-shaped plate 5 close to the lower rewinding roller 2, the connecting teeth 12 respectively extend upwards along the curved surface of the arc-shaped plate 5, and the connecting teeth 12 are respectively and uniformly arranged along the length direction of the arc-shaped plate 5 at intervals.
A plurality of annular grooves 13 matched with the connecting teeth 12 are uniformly formed in the outer circle roll surface of the lower rewinding roll 2 at intervals along the length direction of the lower rewinding roll 2.
4-5 and 9-12, the design is such that the connecting teeth 12 on the arc-shaped plate 5 can be placed in the grooves 13 on the lower rewinding roller 2, and the smooth transition section can be formed at the junction of the curved surface of the arc-shaped plate 5 and the round roller surface of the lower rewinding roller 2;
and can make the scroll that rises to roll up by arc 5 convey to the clearance department of supreme rewinding roller 1 and lower rewinding roller 2 through the rotation of last rewinding roller 1 and lower rewinding roller 2 when conveying to rewinding chamber 4, the condition of idle running card material can not appear more steadily in the conveying of scroll, and then can effectually guarantee the roll-up effect of scroll, make the roll core of the finished product scroll of rolling up out level and smooth pleasing to the eye.
As shown in fig. 1, two ends of the lower rewinding roller 2 are respectively and rotatably connected with a space adjusting device for adjusting the space between the lower rewinding roller 2 and the upper rewinding roller 1, and the space between the lower rewinding roller 2 and the upper rewinding roller 1 is fixed when a single product is processed.
The distance adjusting device is in the prior art, and consists of a fixed seat and a sliding seat connected to the fixed seat in a sliding manner, and when the device is in actual use, the distance between the rollers can be adjusted to enable the upper rewinding roller 1 to move or the lower rewinding roller 2 to move.
As shown in fig. 1 and fig. 6-12, when in use, when the rewinding paper roll needs to be changed in the working process of the equipment, the riding roller 3 rotates with high speed to take the paper roll out of the rewinding cavity 4, and simultaneously, the negative pressure pneumatic control valve 9 is opened to form negative pressure in the vacuum adsorption cavity 7 and tear the paper by sucking air from the air suction hole 8, and the paper is broken at the position of the punching line to achieve the effect of continuous paper cutting;
the head of the paper which is broken after the paper is cut off is continuously sucked by the air suction holes 8 on the arc-shaped plate 5, so that the paper which is subsequently sent is piled on the winding channel 6 to form folds, the paper which is folded after the negative pressure air control valve 9 is closed is twisted into a paper roll by the rotation of the upper rewinding roller 1 and the friction force between the paper and the arc-shaped plate 5, the paper roll is gradually sent into the rewinding cavity 4 along with the rotation of the upper rewinding roller 1 and the lower rewinding roller 2, and meanwhile, the lower rewinding roller 2 can be matched with the speed reduction so that the paper roll can smoothly enter the rewinding cavity 4, and the purpose of winding without stopping is achieved.
Claims (10)
1. A rewinding machine for producing coreless roll paper, comprising an upper rewinding roller (1) and a lower rewinding roller (2), characterized in that: the back side between the upper rewinding roller (1) and the lower rewinding roller (2) is movably provided with a riding roller (3), a rewinding cavity (4) is formed between the upper rewinding roller (1) and the riding roller (3) as well as between the lower rewinding roller (2) and the riding roller (3), a winding-up device close to the roller surface of the upper rewinding roller (1) is arranged below the upper rewinding roller (1), the two sides of the winding-up device are respectively connected with the roller shafts of the lower rewinding roller (2), and the distance between the winding-up device and the upper rewinding roller (1) can be freely adjusted.
2. A rewinding machine for producing coreless rolls, according to claim 1, characterized in that: the winding device comprises an arc-shaped plate (5), the upper end face of the arc-shaped plate (5) is provided with a curved surface matched with the roll surface of the upper rewinding roll (1), and the curved surface of the arc-shaped plate (5) is close to the roll surface of the upper rewinding roll (1) and forms a winding channel (6) with the roll surface of the upper rewinding roll (1).
3. A rewinding machine for producing coreless rolls, according to claim 2, characterized in that: the two ends of the arc-shaped plate (5) are respectively fixedly connected to the connecting plates (10), one end, close to the lower rewinding roller (2), of each connecting plate (10) is rotatably connected with the roller shaft of the lower rewinding roller (2), the other end of each connecting plate (10) is connected with a driving device, and the driving device drives the connecting plates (10) to rotate around the roller shafts of the lower rewinding rollers (2) to adjust the distance between the arc-shaped plate (5) and the winding channel (6) formed by the upper rewinding rollers (1).
4. A rewinding machine for producing coreless rolls, according to claim 3, characterized in that: the distance between the arc-shaped plate (5) and the upper rewinding roller (1) is 2-15 MM.
5. A rewinding machine for producing coreless rolls, according to claim 4, characterized in that: the paper winding device is characterized in that a vacuum adsorption cavity (7) is arranged at a position, close to a paper feeding end of the winding channel (6), in the arc-shaped plate (5), a plurality of suction holes (8) communicated with the vacuum adsorption cavity (7) are formed in the arc-shaped plate (5), negative pressure is formed in the vacuum adsorption cavity (7), suction is performed through the suction holes (8), and paper passing through the winding channel (6) is sucked.
6. A rewinding machine for producing coreless rolls, according to claim 5, characterized in that: rough surfaces for increasing friction force are respectively processed on the outer surface of the upper rewinding roller (1) and the curved surface of the arc-shaped plate (5).
7. A rewinding machine for producing coreless rolls, according to claim 6, characterized in that: one side of the arc-shaped plate (5) close to the lower rewinding roller (2) is respectively provided with a plurality of connecting teeth (12) which are uniformly distributed along the length direction of the arc-shaped plate (5) at intervals, and the connecting teeth (12) respectively extend upwards along the curved surface of the arc-shaped plate (5).
8. A rewinding machine for producing coreless rolls, according to claim 7, characterized in that: a plurality of annular grooves (13) matched with the connecting teeth (12) are uniformly formed in the outer circle roll surface of the lower rewinding roll (2) at intervals along the length direction of the lower rewinding roll (2).
9. A rewinding machine for producing coreless rolls, according to claim 8, characterized in that: the connecting teeth (12) are respectively arranged in the grooves (13), so that the connecting part of the curved surface of the arc-shaped plate (5) and the round roll surface of the lower rewinding roll (2) forms a smooth transition section, and the paper roll is more stably conveyed without idle rotation and material blocking.
10. A rewinding machine for producing coreless rolls, according to claim 9, characterized in that: and two ends of the lower rewinding roller (2) are respectively and rotatably connected with a space adjusting device for adjusting the space between the lower rewinding roller (2) and the upper rewinding roller (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124084.4U CN210366164U (en) | 2019-07-18 | 2019-07-18 | Rewinding machine for producing coreless roll paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124084.4U CN210366164U (en) | 2019-07-18 | 2019-07-18 | Rewinding machine for producing coreless roll paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210366164U true CN210366164U (en) | 2020-04-21 |
Family
ID=70272084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921124084.4U Active CN210366164U (en) | 2019-07-18 | 2019-07-18 | Rewinding machine for producing coreless roll paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210366164U (en) |
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2019
- 2019-07-18 CN CN201921124084.4U patent/CN210366164U/en active Active
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