CN210735681U - Rewinding equipment for producing coreless toilet paper rolls - Google Patents
Rewinding equipment for producing coreless toilet paper rolls Download PDFInfo
- Publication number
- CN210735681U CN210735681U CN201921124086.3U CN201921124086U CN210735681U CN 210735681 U CN210735681 U CN 210735681U CN 201921124086 U CN201921124086 U CN 201921124086U CN 210735681 U CN210735681 U CN 210735681U
- Authority
- CN
- China
- Prior art keywords
- rewinding
- roller
- paper
- air suction
- rewinding roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a rewinding device for producing coreless toilet paper rolls, which comprises a frame, wherein a rewinding mechanism for rewinding paper is arranged on the frame, the rewinding mechanism comprises an upper rewinding roller and a lower rewinding roller which are arranged in parallel, air inlets which are spirally arranged in a plurality of groups are respectively and evenly distributed on the roller surfaces of the upper rewinding roller and the lower rewinding roller, the arrangement sequence of the air inlets is the same on the upper rewinding roller and the lower rewinding roller, negative pressure is generated in the air inlets to enable the roller surfaces of the upper rewinding roller and the lower rewinding roller to generate suction force to suck the paper, the utility model discloses a paper unfolding function which can be played in the adsorption and rolling process by adopting double-helix arrangement of air inlets, which fully embodies the detailed treatment on the body paper, optimizes the rolling effect, improves the flatness and the yield of the roll paper, has simple integral structure, convenient manufacture and convenient use, can realize continuous paper and rolling, the operation is stable, and work efficiency is high, and the book core of the finished product scroll of rolling up is level and smooth pleasing to the eye.
Description
Technical Field
The utility model relates to a toilet paper production facility, specific saying so relates to a rewinding equipment for producing centreless toilet paper roll.
Background
In the rewinding machine for producing paper roll products such as toilet paper rolls, the rewinding machine adopts an air suction type winding mechanism, air suction ports for adsorbing paper are uniformly distributed on the cylindrical surface of a rewinding roller of the rewinding machine, a plurality of rows of air suction ports which are arranged along the circumferential direction of a roller body are arranged on the cylindrical surface of the rewinding roller of the conventional rewinding machine, and each row of air suction ports is formed by arranging a plurality of air suction ports along the axial direction of the roller body. In the production of coreless rolls (i.e. rolls without a reel in the centre), this arrangement of the suction openings entails the following problems: the interval of two adjacent rows of air suction ports in the circumferential direction of the roller body is large, the force of the paper roll is unstable when the paper roll is wound, the winding failure is easily caused, even if the paper roll which is successfully wound is not uniformly stressed when the paper roll is wound, the winding tightness of the core part of the paper roll is seriously nonuniform (commonly called as 'flower core'), the subsequent processing and the finished product quality of the paper roll are seriously affected, and due to the problems, the phenomenon that the paper is obviously sagged often occurs when the paper which is large in adsorption density and hard in texture of the rewinding roller, and the paper roll cannot be wound.
Moreover, the existing rewinding machine can not realize continuous paper winding without stopping, and needs frequent stop-start cyclic actions, so that the working mode has low production efficiency and high labor intensity. The paper guiding direction of the old type non-stop complete machine is vertical to paper guiding, the operation height is high, and the paper guiding is complex and tedious.
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 make the rewinding finished product realize the centreless to pleasing to the eye, closely knit degree is high, can realize not shutting down disconnected paper, play a roll, the high rewinding equipment who is used for producing centreless toilet paper roll of work efficiency.
In order to solve the technical problem, the utility model provides a following technical scheme:
a rewinding device for producing coreless toilet paper rolls comprises a rack, wherein a rewinding mechanism for rewinding paper is arranged on the rack, the rewinding mechanism comprises an upper rewinding roller and a lower rewinding roller which are arranged in parallel, multiple groups of spirally-arranged air suction ports are uniformly distributed on the roller surfaces of the upper rewinding roller and the lower rewinding roller respectively, the arrangement sequence of the air suction ports on the upper rewinding roller and the lower rewinding roller is the same, and negative pressure is generated in the air suction ports to enable the roller surfaces of the upper rewinding roller and the lower rewinding roller to generate suction force to suck the paper.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the multiple groups of air suction ports comprise a first group of air suction ports, a second group of air suction ports and a third group of air suction ports which are sequentially arranged from the left end to the right end of the roller body of the upper rewinding roller.
Further optimization: the first group of air suction ports are formed by spirally arranging a plurality of air suction holes clockwise, and the first group of air suction ports are arranged on the roller surface which is deviated to the left from the middle part of the roller body.
Further optimization: the second group of air suction ports are formed by a plurality of air suction holes which are circularly arranged along the roller surface in the middle of the roller body.
Further optimization: the third group of air suction ports are formed by spirally arranging a plurality of air suction holes anticlockwise, and the third group of air suction ports are arranged on the right side of the roller surface in the middle of the roller body.
Further optimization: and the upper rewinding roller and the lower rewinding roller are respectively provided with at least one set of air suction device communicated with the air suction hole.
Further optimization: the air suction devices are arranged on the upper rewinding roller and the lower rewinding roller and are respectively provided with an air suction cover at two ends, and the air suction covers are respectively communicated with the air suction holes.
Further optimization: and a rewinding pressing roller is arranged on one side of the rack between the upper rewinding roller and the lower rewinding roller, and a rewinding chamber is formed between the rewinding pressing roller and the upper rewinding roller as well as between the rewinding pressing roller and the lower rewinding roller.
Further optimization: and a paper outlet plate for guiding the rewound paper to exit the rewinding chamber is fixedly arranged below the rewinding pressing roller.
Further optimization: the frame is also provided with an arc-shaped rod, a paper guiding mechanism, an edge knurling mechanism, a virtual cutting and punching mechanism and a traction mechanism in sequence according to the trend of paper.
The above technical scheme is adopted in the utility model, when using, the paper passes through the arc pole and stretches the paper and go into paper mechanism after the wrinkle, the paper gets into through paper mechanism and presses the border mechanism, then press the border mechanism to suppress the decorative pattern with the paper, then the paper gets into virtual cutting mechanism and cuts the paper and easily breaks the dotted line through pressing the border mechanism, then the paper gets into drive mechanism through virtual cutting mechanism after punching, get into under drive mechanism's the traction and carry out the rewinding in the rewinding mechanism, the scroll after the rewinding completion is sent into and is sealed the unit, seal the processing.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, adopt two spirals to lay the suction hole and adsorb the exhibition paper effect that the roll up in-process can play, fully embody the detail processing to the body paper, optimize the roll up effect, improve the roughness and the yield of stock form to overall structure is simple, and it is convenient to make, and convenient to use can realize not shutting down disconnected paper, roll up, and job stabilization, work efficiency is high, and 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 the overall structure of the embodiment of the present invention during operation;
fig. 3 is a schematic structural diagram of a rewinding mechanism in an embodiment of the present invention;
FIG. 4 is a schematic structural view of an upper rewinding roller and a suction hood in an embodiment of the present invention;
fig. 5 is a schematic structural view of an upper rewinding roller in the embodiment of the present invention;
FIG. 6 is a schematic view of the structure at A in FIG. 5;
FIG. 7 is a schematic diagram of the force applied to the paper by the roller surface when the upper rewinding roller rotates in the embodiment of the present invention
Fig. 8 is a schematic structural view of the rewinding mechanism in the embodiment of the present invention during winding;
FIG. 9 is an enlarged view of a portion of FIG. 10 at H;
FIG. 10 is a schematic structural view of the embodiment of the present invention during rolling;
fig. 11 is a schematic structural diagram of rewinding in the embodiment of the present invention.
In the figure: 1-a frame; 2-an arc-shaped rod; 3-paper leading roller position driving device; 4-a paper guiding mechanism; 5-edge knurling mechanism; 6-virtual cutting and punching mechanism; 9-a traction mechanism; 14-winding up the rolls; 15-lower rewinding roller; 16-rewinding press rollers; 17-a paper output plate; 23-a suction hood; 24-a suction hole; 25-a first set of suction ports; 26-a second set of suction ports; 27-third set of suction ports.
Detailed Description
Example (b): referring to fig. 1-3, a rewinding device for producing coreless toilet paper rolls comprises a frame 1, wherein a rewinding mechanism for rewinding paper is arranged on the frame 1, the rewinding mechanism comprises an upper rewinding roller 14 and a lower rewinding roller 15 which are arranged in parallel, a plurality of spirally arranged air suction ports are respectively and uniformly distributed on the roller surfaces of the upper rewinding roller 14 and the lower rewinding roller 15, the arrangement sequence of the air suction ports on the upper rewinding roller 14 and the lower rewinding roller 15 is the same, and negative pressure is generated in the air suction ports to enable the roller surfaces of the upper rewinding roller 14 and the lower rewinding roller 15 to generate suction force to suck the paper.
The upper rewinding roller 14 and the lower rewinding roller 15 are respectively provided with at least one set of suction device communicated with the suction port.
The air suction device is arranged on the upper rewinding roller 14 and the lower rewinding roller 15 and is provided with air suction covers 23 at two ends, and the air suction covers 23 are connected with vacuum suction equipment through air pipes, so that negative pressure can be generated in the air suction covers 23.
A plurality of negative pressure channels which are annularly arranged along the axis of the rewinding roller and can be respectively communicated with the air suction cover 23 are arranged in the upper rewinding roller 14 and the lower rewinding roller 15.
The upper negative pressure cavity channel is respectively communicated with the corresponding air suction ports on the rewinding roller,
the upper rewinding roller 14 and the lower rewinding roller 15 rotate, and negative pressure channels in the roller body sequentially pass through the range covered on the surface of the roller body by the air suction cover 23.
The vacuum pump device is designed in such a way that vacuum negative pressure is formed in the air suction cover 23 when the vacuum pump device works, the upper rewinding roller 14 and the lower rewinding roller 15 rotate, the negative pressure cavity channel in the roller body sequentially passes through the range covered on the surface of the roller body by the air suction cover 23, the negative pressure cavity channel in the roller body is communicated with the air suction cover 23, negative pressure is formed in the negative pressure cavity channel, air suction is carried out through the air suction port after negative pressure is formed in the negative pressure cavity channel, the air suction port sucks paper close to the upper rewinding roller 14, and then the sucked paper is driven to move through the rotation of the upper rewinding roller 14.
The multi-component air suction ports comprise a first group of air suction ports 25, a second group of air suction ports 26 and a third group of air suction ports 27 which are sequentially arranged from the left end to the right end of the roller bodies of the upper rewinding roller 14 and the lower rewinding roller 15 respectively.
The first group of air suction ports 25 are formed by clockwise spirally arranging a plurality of air suction holes 24, and the first group of air suction ports 25 are arranged on the roller surface which is deviated from the middle part of the roller body to the left.
The second group of air suction ports 26 is formed by a plurality of air suction holes 24 which are annularly arranged along the roller surface in the middle of the roller body.
The third group of air suction ports 27 is formed by spirally arranging a plurality of air suction holes 24 anticlockwise, and the third group of air suction ports 27 are arranged on the roller surface which is slightly right from the middle part of the roller body.
By the design, the air suction holes 24 can be uniformly and properly arranged, paper can be better attached to the surface of the rewinding roller to be in contact with the roller surface, the same suction force of negative pressure generated by each air suction hole 24 can be same, and the adsorption effect is improved.
And through the mode of double helix arrangement suction hole 24, can simulate two-way helix and reach the effect of exhibition paper, and then can make and hold the paper through suction hole 24 and drive the paper when rewinding, make the negative pressure that suction hole 24 was used in on the paper produce tension on the surface of paper, make the effect of the directional both sides expansion in paper surface, and then can realize the exhibition paper effect to improve the goodness of product.
A rewinding pressing roller 16 is arranged on one side, located between the upper rewinding roller 14 and the lower rewinding roller 15, of the rack 1, and rewinding cavities are formed among the rewinding pressing roller 16, the upper rewinding roller 14 and the lower rewinding roller 15.
When the paper is wound, the head of the paper contacts the upper rewinding roller 14, negative pressure generated by the air suction holes 24 on the upper rewinding roller 14 sucks the paper, the paper is pulled to enter the rewinding chamber under the rotation of the upper rewinding roller 14, at the moment, the air suction holes 24 on the surface of the lower rewinding roller 15 are close to the rewinding chamber from far to near, then the head of the paper is wound up through suction force generated in the rewinding chamber by the air suction holes 24 on the upper rewinding roller 14 and the lower rewinding roller 15, and then the head of the paper is continuously wound along with the rotation of the upper rewinding roller 14 and the lower rewinding roller 15, so that the winding is realized.
When the paper breaking is needed, the paper is broken through the differential function of the upper rewinding roller 14, the lower rewinding roller 15 and the rewinding pressing roller 16, and the paper breaking function is achieved without stopping.
The machine frame 1 is also sequentially provided with an arc-shaped rod 2, a paper guiding mechanism 4, a blank pressing and embossing mechanism 5, a virtual cutting and punching mechanism 6 and a traction mechanism 9 according to the trend of paper.
The traction mechanism 9 is arranged on the frame 1 and close to one side of the rewinding mechanism 9.
The arc-shaped rods 2 are arranged on the machine frame 1 and close to the feeding side of the rewinding mechanism, the paper folds are stretched by adjusting the radian of the arc-shaped rods 2, and then the paper is fed into the paper feeding mechanism 4.
The paper guiding mechanism 4 is installed on the frame 1 at a position close to one side of the arc-shaped rod 2, and the paper guiding mechanism 4 is located obliquely below the arc-shaped rod 2.
The edge knurling mechanism 5 is installed on the frame 1 at a position close to one side of the paper guiding mechanism 4.
The virtual cutting and punching mechanism 6 is arranged between the edge knurling mechanism 5 and the traction mechanism 9, and two ends of the virtual cutting and punching mechanism 6 are respectively arranged at corresponding positions on the rack 1.
The arc-shaped rod 2, the virtual cutting and punching mechanism 6, the paper guiding mechanism 4, the traction mechanism 9 and the edge knurling mechanism 5 are all the same as those of the existing structure.
The unwinding unit is arranged at a position, close to one side of the arc-shaped rod 2, on the rack 1 and comprises a main transmission mechanism, a conveying mechanism and an adjusting mechanism.
The large roll paper is arranged on the rack, the conveying belt of the conveying mechanism is controlled by the transmission mechanism to operate to drive the roll paper to be uniformly unreeled, the large roll paper is composed of a plurality of unreeling units when multilayer paper is processed, and then the breadth alignment of the multilayer paper is adjusted by adjusting the adjusting mechanism on the unreeling units.
And a paper guide roller position driving device 3 for driving the paper guide mechanism 4 to move and change positions is arranged on one side of the paper guide mechanism 4.
The paper guiding roller position driving device 3 outputs power to drive the paper guiding mechanism 4 to move and change the position, and then paper conveyed by the tension main unit can be tensioned
The traction mechanism 9 is composed of a paper guiding driving roller, a paper guiding pressing roller and a taper wheel adjusting part, the paper guiding pressing roller is pressed on the upper rewinding roller 14 through the action of an air cylinder, the taper wheel adjusting part is arranged at the transmission end of the paper guiding transmission roller, paper is pulled through the traction mechanism 9, and the host machine part can obtain different tension of the paper by adjusting the taper wheel adjusting part.
The virtual cutting and punching mechanism 6 mainly comprises a punching fly cutter roller and a punching fixed cutter roller, wherein a spiral fly cutter blade is arranged on the punching fly cutter roller, a tooth-shaped blade is arranged on the punching fixed cutter roller, when paper passes through the virtual cutting and punching mechanism 6, the punching spiral fly cutter blade and the punching fixed cutter blade are sheared in a scissor type through synchronous operation of the punching fly cutter roller, and the tooth-shaped protrusions on the punching fixed cutter shear the paper into a virtual line shape.
The machine frame is provided with a transmission mechanism, and the transmission mechanism drives the paper guide mechanism 4, the virtual cutting and punching mechanism 6 and the rewinding mechanism to operate in a coordinated manner through the operation of a motor and a servo motor.
And a paper outlet plate 17 for guiding the rewound paper to exit the rewinding chamber is fixedly arranged below the rewinding pressing roller 16.
When the paper pressing mechanism is used, paper is stretched and wrinkle-removed through the arc-shaped rods 2 and then enters the paper guiding mechanism 4, the paper enters the edge knurling mechanism 5 through the paper guiding mechanism 4, and then knurling patterns are pressed on the paper through the edge knurling mechanism 5;
then the paper enters the virtual cutting and punching mechanism 6 through the edge embossing mechanism 5 and is cut with an easily broken dotted line, then the paper enters the traction mechanism 9 after passing through the virtual cutting and punching mechanism 6 and enters the rewinding mechanism for rewinding under the traction of the traction mechanism 9.
When rewinding, the paper head first contacts the upper rewinding roller 14, the negative pressure generated by the air suction holes 24 on the upper rewinding roller 14 sucks the paper, the paper is pulled to enter the rewinding chamber under the rotation of the upper rewinding roller 14, at the moment, the air suction holes 24 on the surface of the lower rewinding roller 15 are close to the rewinding chamber from far to near, then the paper head is wound up through the suction force generated in the rewinding chamber by the air suction holes 24 on the upper rewinding roller 14 and the lower rewinding roller 15, and then the paper head continues to be wound along with the rotation of the upper rewinding roller 14 and the lower rewinding roller 15, so that winding is realized.
At this moment, when the paper is sucked through the air suction holes 24 and is driven to rewind, the negative pressure of the air suction holes 24 acting on the paper generates tension on the surface of the paper, so that the surface of the paper has an effect of expanding towards two sides, and then the paper unfolding effect can be realized, and the excellent rate of products is improved.
When the paper breaking is needed, the paper is broken through the differential function of the upper rewinding roller 14, the lower rewinding roller 15 and the rewinding pressing roller 16, and the paper breaking function is achieved without stopping.
And then the reeled paper roll is sent into a sealing unit for sealing treatment.
Claims (10)
1. A rewinding apparatus for producing coreless rolls of hygiene paper, comprising a frame (1), characterized in that: the rewinding mechanism for rewinding paper is arranged on the rack (1), the rewinding mechanism comprises an upper rewinding roller (14) and a lower rewinding roller (15) which are arranged in parallel, multiple groups of spirally-arranged air suction ports are uniformly distributed on the roller surfaces of the upper rewinding roller (14) and the lower rewinding roller (15), the arrangement sequence of the air suction ports on the upper rewinding roller (14) and the lower rewinding roller (15) is the same, and negative pressure is generated in the air suction ports to enable the roller surfaces of the upper rewinding roller (14) and the lower rewinding roller (15) to generate suction to suck the paper.
2. Rewinding apparatus for the production of coreless rolls of hygiene paper according to claim 1, characterized in that: the multiple groups of air inlets comprise a first group of air inlets (25), a second group of air inlets (26) and a third group of air inlets (27) which are sequentially arranged from the left end to the right end of the roller body of the upper rewinding roller (14).
3. Rewinding apparatus for the production of coreless rolls of hygiene paper according to claim 2, characterized in that: the first group of air suction ports (25) are formed by clockwise spirally arranging a plurality of air suction holes (24), and the first group of air suction ports (25) are distributed on the roll surface which is deviated from the middle part of the roll body to the left.
4. A rewinding apparatus for producing coreless rolls of hygiene paper according to claim 3, characterized in that: the second group of air suction ports (26) are formed by a plurality of air suction holes (24) which are circularly arranged along the roller surface in the middle of the roller body.
5. Rewinding apparatus for the production of coreless rolls of hygiene paper according to claim 4, characterized in that: the third group of air suction ports (27) are formed by spirally arranging a plurality of air suction holes (24) anticlockwise, and the third group of air suction ports (27) are arranged on the right side of the middle part of the roller body.
6. A rewinding apparatus for producing coreless rolls of hygiene paper according to claim 5, characterized in that: the upper rewinding roller (14) and the lower rewinding roller (15) are respectively provided with at least one set of air suction devices communicated with the air suction holes (24).
7. A rewinding apparatus for producing coreless rolls of hygiene paper according to claim 6, characterized in that: the air suction devices are arranged on the upper rewinding roller (14) and the lower rewinding roller (15) and are positioned on air suction covers (23) at two ends, and the air suction covers (23) are respectively communicated with the air suction holes (24).
8. Rewinding apparatus for the production of coreless rolls of hygiene paper according to claim 7, characterized in that: a rewinding pressing roller (16) is arranged on one side, located between the upper rewinding roller (14) and the lower rewinding roller (15), of the rack (1), and a rewinding chamber is formed among the rewinding pressing roller (16), the upper rewinding roller (14) and the lower rewinding roller (15).
9. Rewinding apparatus for producing coreless rolls of hygiene paper according to claim 8, characterized in that: and a paper outlet plate (17) for guiding the rewound paper to exit the rewinding chamber is fixedly arranged below the rewinding pressing roller (16).
10. A rewinding apparatus for producing coreless rolls of hygiene paper according to claim 9, characterized in that: the paper cutting machine is characterized in that an arc-shaped rod (2), a paper guiding mechanism (4), a blank pressing line mechanism (5), a virtual cutting and punching mechanism (6) and a traction mechanism (9) are sequentially arranged on the rack (1) according to the trend of paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124086.3U CN210735681U (en) | 2019-07-18 | 2019-07-18 | Rewinding equipment for producing coreless toilet paper rolls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124086.3U CN210735681U (en) | 2019-07-18 | 2019-07-18 | Rewinding equipment for producing coreless toilet paper rolls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210735681U true CN210735681U (en) | 2020-06-12 |
Family
ID=70981441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921124086.3U Active CN210735681U (en) | 2019-07-18 | 2019-07-18 | Rewinding equipment for producing coreless toilet paper rolls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210735681U (en) |
-
2019
- 2019-07-18 CN CN201921124086.3U patent/CN210735681U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2832262C (en) | Rewinding machine and method for producing logs of web material | |
| US7887003B2 (en) | Machine and method for the production of rolls of weblike material together with a winding core and roll thus obtained | |
| ITFI20100245A1 (en) | "REWINDING MACHINE AND WINDING METHOD" | |
| CN108502605A (en) | The waste discharge material collecting device and waste discharge method of OCA materials | |
| CN210735681U (en) | Rewinding equipment for producing coreless toilet paper rolls | |
| CN213976303U (en) | Packaging film rolling roll-changing cutting device | |
| CN210236590U (en) | Rewinding machine with adsorption winding mechanism | |
| CN210236589U (en) | Coreless paper roll winding and rewinding mechanism of rewinding machine | |
| CN201042867Y (en) | Die cutting machine for printing | |
| CN102126633B (en) | Rewinding mechanism of small-sized splitting rewinding machine | |
| CN208345414U (en) | The waste discharge material collecting device of OCA material | |
| CN215592089U (en) | Continuous unwinding device that wide material used by a wide margin | |
| RU2242202C2 (en) | Method and device for producing articles from narrow ribbon | |
| US1967202A (en) | Perforating machine | |
| CN210312989U (en) | Stable double-transmission system | |
| JP5204440B2 (en) | Tension generating mechanism for winding device | |
| JP2713381B2 (en) | Ply fabric material and improvements related to the manufacture of the material | |
| CN210366164U (en) | Rewinding machine for producing coreless roll paper | |
| CN1068134C (en) | Method and special machine for winding through belt-like magnetic cores of transformer | |
| CN216272207U (en) | Rolling frame | |
| CN208308035U (en) | A kind of toilet paper roll set rewinding device | |
| CN219525784U (en) | Four-axis automatic rewinding splitting machine | |
| EP0505712A1 (en) | Surface winder and method | |
| CN210504887U (en) | High-speed rewinding mechanism for producing coreless cotton pulp reel | |
| CN112720620A (en) | Linear material arrangement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |