CN213622453U - Telescopic winding mechanism of coreless flat winding machine - Google Patents
Telescopic winding mechanism of coreless flat winding machine Download PDFInfo
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- CN213622453U CN213622453U CN202022615212.4U CN202022615212U CN213622453U CN 213622453 U CN213622453 U CN 213622453U CN 202022615212 U CN202022615212 U CN 202022615212U CN 213622453 U CN213622453 U CN 213622453U
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Abstract
The utility model provides a telescopic mechanism of rolling up of centreless ribbon lap machine, including rotatory roller, the telescopic machanism connecting axle, it is first, the second bearing, the one end of rotatory roller is the toper, the hole of rotatory roller is the shoulder hole, the one end of shoulder hole is first big footpath section, the other end is the big footpath section of second, the big footpath section of second corresponds the toper end of rotatory roller, first bearing assembly is in first big footpath section, and spacing by the hole shoulder axial that corresponds, the second bearing assembly is in the big footpath section of second, and spacing by the hole shoulder axial that corresponds, the telescopic machanism connecting axle is the shoulder shaft, the path section of shoulder shaft passes first in proper order, the second bearing, and screw-thread fit auto-lock nut, through the shoulder shaft, the auto-lock nut forms the axial spacing, the overhanging end that the first big footpath section of telescopic machanism connecting axle stretches out outward is used for linking. The utility model discloses simple structure, processing cost are low, can prevent effectively that supporting rotatory roller from droing, guarantee production safety.
Description
Technical Field
The utility model relates to a papermaking field, in particular to telescopic winding mechanism of centreless flat book machine.
Background
The paper making enterprise utilizes the coreless flat coil machine to produce the coreless flat coil, and two ends of the paper roll are respectively provided with a set of telescopic coil winding mechanism. When the diameter of the paper roll reaches a set size, the telescopic winding mechanisms at the two ends automatically retract and separate from the paper roll. The telescopic mechanism of rolling up that uses at present, its supporting rotatory roller drops easily, and the parcel gets into the process of cutting in the scroll, the accident of big circular knife damage appears.
Disclosure of Invention
The utility model aims at prior art not enough, provide a telescopic mechanism of rolling up of flat book machine of centreless, its simple structure, processing cost are low, can prevent effectively that supporting rotatory roller from droing, guarantee production safety.
The technical scheme of the utility model is that: a telescopic winding mechanism of a coreless flat winding machine comprises a rotary roller, a telescopic mechanism connecting shaft, a first bearing and a second bearing, wherein one end of the rotary roller is conical, an inner hole of the rotary roller is a stepped hole, one end of the stepped hole is a first large-diameter section, the other end of the stepped hole is a second large-diameter section, the second large-diameter section corresponds to the conical end of the rotary roller, a hole section between the first large-diameter section and the second large-diameter section is a small-diameter section, the first bearing is assembled in the first large-diameter section and is axially limited by a corresponding hole shoulder, the second bearing is assembled in the second large-diameter section and is axially limited by a corresponding hole shoulder, the telescopic mechanism connecting shaft is a stepped shaft, the small-diameter section of the stepped shaft sequentially passes through the first bearing and the second bearing, the self-locking nut is in threaded fit, and is matched with an inner ring of the first bearing and an inner ring of the self-locking nut, and an axial limit is formed, and the extending end of the extending mechanism connecting shaft extending out of the first large-diameter section is used for being connected with the extending mechanism.
The self-locking nut is positioned in the second large-diameter section of the stepped hole.
The second large-diameter section is a secondary stepped section, the large-diameter section of the secondary stepped section is located on the outer side, the small-diameter section of the secondary stepped section is connected with the small-diameter section, and the second bearing is assembled in the small-diameter section of the secondary stepped section.
And the extending end of the telescopic mechanism connecting shaft is provided with a connecting boss.
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the telescopic type coil lifting mechanism of the coreless flat coil winding machine comprises a rotary roller, a telescopic mechanism connecting shaft, a first bearing and a second bearing, wherein the rotary roller is used for winding paper, and the telescopic mechanism connecting shaft is used for rotatably supporting the rotary roller and is used for being connected with a telescopic mechanism to drive the rotary roller to move. One end of the rotary roller is conical, so that the rotary roller can be inserted into or separated from the paper roll conveniently. The hole of rotatory roller is the shoulder hole, and the one end of shoulder hole is first big footpath section, and the other end is the big footpath section of second, and the big footpath section of second corresponds the toper end of rotatory roller, and the hole section between first big footpath section, the big footpath section of second is the path section. The first bearing is assembled in the first large-diameter section and is axially limited by the corresponding hole shoulder, the second bearing is assembled in the second large-diameter section and is axially limited by the corresponding hole shoulder, namely, after the first bearing and the second bearing are installed in place, the distance between the first bearing and the second bearing is fixed and the first bearing and the second bearing are positioned at two ends of the rotary roller. The telescopic mechanism connecting shaft is a stepped shaft, the small-diameter section of the stepped shaft sequentially passes through the first bearing and the second bearing and is in threaded fit with the self-locking nut, the extending end of the first large-diameter section, which extends out of the telescopic mechanism connecting shaft, is used for being connected with the telescopic mechanism, the axial limit is formed by the matching of the shaft shoulder of the stepped shaft and the inner ring of the first bearing and the matching of the self-locking nut and the inner ring of the second bearing, the inner rings of the first bearing and the second bearing are assembled on the small-diameter section of the telescopic mechanism connecting shaft, so that the rotary roller can rotate around the telescopic mechanism connecting shaft, the two ends of the rotary roller are stressed in a balanced manner, the first bearing or the second bearing can be effectively prevented from being excessively worn, the stability of the rotary roller is ensured, the relative sliding along the axial direction between the rotary roller and the connecting shaft of the auditing mechanism can be avoided by the limiting of the shaft shoulder of the telescopic mechanism connecting, avoiding production accidents.
2. The self-locking nut is located in the second major diameter section of the stepped hole, so that the self-locking nut is shielded by the rotary roller, the self-locking nut is prevented from being damaged, and the stability of the rotary roller is guaranteed.
3. The second large-diameter section is a second-stage step section, the large-diameter section of the second-stage step section is located on the outer side, the small-hole section of the second-stage step section is connected with the small-diameter section, and the second bearing is assembled in the small-hole section of the second-stage step section, namely the outer end of the second large-diameter section is expanded, so that the self-locking nut is convenient for workers to install and disassemble, and the maintenance of equipment is facilitated.
The following further description is made with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a cross-sectional view of the rotary drum of the present invention.
In the attached drawing, 1 is a rotary roller, 11 is a first large-diameter section, 12 is a second large-diameter section, 13 is a small-diameter section, 2 is a telescopic mechanism connecting shaft, 21 is a connecting boss, 3 is a first bearing, 4 is a second bearing, and 5 is a self-locking nut.
Detailed Description
The utility model discloses in, do not mark installation, the conventional installation of the general adoption chemical industry field of specific installation, connected mode or install, connect according to the guide suggestion of producer.
Referring to fig. 1 and 2, a specific embodiment of a telescopic winding mechanism of a coreless flat winding machine is shown. The telescopic winding mechanism of the coreless flat winding machine comprises a rotary roller 1, a telescopic mechanism connecting shaft 2, a first bearing 3 and a second bearing 4. The right end of the rotary roller 1 is conical. The inner hole of the rotary roller 1 is a stepped hole, the left end of the stepped hole is a first large-diameter section 11, the right end of the stepped hole is a second large-diameter section 12, obviously, the second large-diameter section 12 corresponds to the tapered end of the rotary roller 1, the hole section between the first large-diameter section 11 and the second large-diameter section 12 is a small-diameter section 13, in this embodiment, the second large-diameter section is a second-level step section, the large-diameter section of the second-level step section is located at the right end, and the small-diameter section of the second-level step section is located at the left end and connected with the small-diameter section 13. The first bearing 3 is assembled in the first large-diameter section 11 and axially limited by a corresponding hole shoulder, obviously, an outer ring of the first bearing is matched with the hole shoulder between the first large-diameter section and the small-diameter section to form axial limitation, the second bearing 4 is assembled in the small-diameter section of the second large-diameter section 12 and axially limited by the corresponding hole shoulder, obviously, the outer ring of the second bearing is matched with the hole shoulder between the second large-diameter section and the small-diameter section to form axial limitation. The telescopic mechanism connecting shaft 2 is a stepped shaft, the small-diameter section of the stepped shaft sequentially penetrates through the first bearing 3 and the second bearing 4, the stepped shaft is in threaded fit with the self-locking nut 5, the shaft shoulder of the stepped shaft is matched with the inner ring of the first bearing 3, the self-locking nut 5 is matched with the inner ring of the second bearing 4, axial limiting is formed, and particularly, the self-locking nut 5 is located in the second large-diameter section 12 of the stepped hole. The extending end of the extending mechanism connecting shaft 2 extending out of the first large-diameter section 11 is used for being connected with the extending mechanism, and in order to improve the connecting strength, the extending end of the extending mechanism connecting shaft 2 is provided with a connecting boss 21.
The utility model discloses a connection boss links to each other with the telescopic machanism that corresponds, and quantity is two, and the symmetric distribution is on the flat book machine of centreless. When the coreless flat-winding machine works, the telescopic winding mechanism normally acts to respectively press paper, and the rotary roller starts to work. When the roll diameter of the paper roll is designed to be large, the telescopic winding mechanisms at the two ends are retracted and separated from the paper roll, and the paper roll enters a downstream procedure for further processing.
Claims (4)
1. The utility model provides a telescopic winding mechanism of flat book machine of centreless which characterized in that: comprises a rotary roller (1), a telescopic mechanism connecting shaft (2), a first bearing (3) and a second bearing (4),
one end of the rotary roller (1) is conical, an inner hole of the rotary roller (1) is a stepped hole, one end of the stepped hole is a first large-diameter section (11), the other end of the stepped hole is a second large-diameter section (12), the second large-diameter section (12) corresponds to the conical end of the rotary roller (1), a hole section between the first large-diameter section (11) and the second large-diameter section (12) is a small-diameter section (13),
the first bearing (3) is assembled in the first large-diameter section (11) and axially limited by the corresponding hole shoulder, the second bearing (4) is assembled in the second large-diameter section (12) and axially limited by the corresponding hole shoulder,
telescopic machanism connecting axle (2) is the step shaft, and the path section of step shaft passes first bearing (3), second bearing (4) in proper order, and screw-thread fit auto-lock nut (5), and the shaft shoulder through the step shaft cooperates with the inner circle of first bearing (3), auto-lock nut (5) and the inner circle cooperation of second bearing (4), forms the axial spacing, the overhanging end that telescopic machanism connecting axle (2) stretches out first big footpath section (11) outward is used for linking to each other with telescopic machanism.
2. The retractable winding mechanism of the coreless flat winding machine according to claim 1, wherein: the self-locking nut (5) is positioned in the second large-diameter section (12) of the stepped hole.
3. The telescopic winding mechanism of the coreless flat winding machine according to claim 1 or 2, wherein: the second large-diameter section (12) is a second-stage stepped section, the large-diameter section of the second-stage stepped section is located on the outer side, the small-diameter section of the second-stage stepped section is connected with the small-diameter section (13), and the second bearing (4) is assembled in the small-diameter section of the second-stage stepped section.
4. The retractable winding mechanism of the coreless flat winding machine according to claim 1, wherein: the extending end of the telescopic mechanism connecting shaft (2) is provided with a connecting boss (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022615212.4U CN213622453U (en) | 2020-11-11 | 2020-11-11 | Telescopic winding mechanism of coreless flat winding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022615212.4U CN213622453U (en) | 2020-11-11 | 2020-11-11 | Telescopic winding mechanism of coreless flat winding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213622453U true CN213622453U (en) | 2021-07-06 |
Family
ID=76632726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022615212.4U Active CN213622453U (en) | 2020-11-11 | 2020-11-11 | Telescopic winding mechanism of coreless flat winding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213622453U (en) |
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2020
- 2020-11-11 CN CN202022615212.4U patent/CN213622453U/en active Active
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