CN2850897Y

CN2850897Y - Core-free paper roll rewinding mechanism of rewinder

Info

Publication number: CN2850897Y
Application number: CN 200520119359
Authority: CN
Inventors: 彭锦铜
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-23
Filing date: 2005-11-23
Publication date: 2006-12-27
Anticipated expiration: 2015-11-23

Abstract

The utility model relates to a non-core paper roll rewinding mechanism of a rewinder, which is mainly characterized in that the non-core paper roll rewinding mechanism of a rewinder is provided with two short shafts which can rotate freely. The two short shafts are arranged on the end parts of both sides adjacent to a winding up roller and a press roller and are parallel to the winding up roller and the press roller. The two short shafts are respectively connected with a telescopic component. The telescopic motion direction of the telescopic component is the direction of driving the short shafts to horizontally move in a shaft direction. The telescopic component is arranged on a rewinder. The utility model utilizes the two short shafts to wind up paper, and the short shafts can be drawn out from a paper roll when the paper is wound up to a little thickness. Thereby, the paper roll can realize compaction easily, and the compaction degree of a non-core paper roll of a finished product can be enhanced. On the other hand, a long core pipe does not need to be drawn out by manual work. The utility model can realize compacting paper rolls when used for winding up simultaneously, and the production efficiency can be enhanced.

Description

The coreless rolls rewinding mechanism of rewinding machine

Technical field

The utility model relates to the reel rewinding mechanism of coreless rolls of being used in the rewinding machine in the paper products process equipment, particularly rewinding machine.

Background technology

Existing rewinding machine all will use a long pipe as the core pipe in the production coreless rolls, and paper rolls to twist on the core pipe and forms paper roll, rolls up to the thickness of finished roll when paper roll rolls, and the core pipe is extracted out, at last coreless rolls is made in the paper roll compacting.Because the core pipe is to roll at paper roll just to extract out after volume is finished, and therefore is difficult to thick paper roll compacting, the coreless rolls of making is more open, and is closely knit inadequately, influenced the quality of product.On the other hand, because the core tubular axis is to running through whole coil paper, and the length of paper roll before cutting not is longer, therefore can only rely on manual type with the extraction of core pipe at present, and production efficiency is low.

Summary of the invention

The purpose of this utility model is the shortcoming at aforementioned prior art, provide a kind of be installed on the rewinding machine, can improve the coreless rolls packing, and the coreless rolls rewinding mechanism that can enhance productivity.

The utility model is achieved in that the coreless rolls rewinding mechanism of rewinding machine, comprise the wind-up roll that is arranged in parallel and the pressure roller that are installed on the rewinding machine, especially, also comprise two minor axises free to rotate, two minor axises are opposite to the end, both sides of close wind-up roll and pressure roller, and parallel with pressure roller with wind-up roll, and two minor axises connect with a telescoping member respectively, the stretching motion direction of telescoping member is for driving the direction of minor axis axial translation, and described telescoping member is installed on the rewinding machine.Operation principle of the present utility model is: when rewinding machine begins coil paper, telescoping member promotes two minor axises and is inserted between wind-up roll and the pressure roller, make two minor axises gently be pressed on the paper, the paper end covers on two minor axises unrolling under the blower system effect of rewinding machine, then the pressure roller of rewinding machine is depressed, wind-up roll begins to rotate, under the coordination operation effect of wind-up roll and pressure roller, the paper lift-over is on two minor axises, when the paper roll that forms rolls volume to a small amount of thickness, telescoping member is extracted two minor axises rapidly out from paper roll, pressure roller further presses down thereupon, and established a small amount of paper roll is compressed, and then this a small amount of paper roll just plays the effect of core pipe, under the remaining in operation of wind-up roll and pressure roller, finally just can roll the thickness of rolling up to finished roll.In said process, begin to rotate from wind-up roll, press down to two minor axises extractions, pressure roller secondaries, until final formation finished roll thickness, wind-up roll and pressure roller remain running, need not to shut down.This shows,, therefore can improve the packing of finished product coreless rolls when paper roll has only a small amount of thickness easily with the paper roll compacting because the utility model is just extracted minor axis out.On the other hand owing to need not to rely on the long core pipe of artificial extraction, and in coil paper just the paper roll compacting, therefore improved production efficiency greatly.

The utility model has the advantages that the quality that has not only improved coreless rolls, and improved production efficiency, reduced production cost.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 is the A portion enlarged drawing of Fig. 1;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is the B portion enlarged drawing of Fig. 2.

The specific embodiment

Referring to Fig. 1 to Fig. 3, the coreless rolls rewinding mechanism of rewinding machine comprises wind-up roll that is arranged in parallel 1 and the pressure roller 2 that is installed on the rewinding machine.Wind-up roll 1 drives rotation by the actuating unit of rewinding machine.In end, both sides, be provided with two minor axises 3 parallel with wind-up roll 1 and pressure roller 2 near wind-up roll 1 and pressure roller 2.Two minor axises 3 connect with a telescoping member respectively.The telescoping member of present embodiment is made of the piston rod 5 of cylinder 4 and cylinder.The termination of piston rod 5 connects with minor axis 3 axial restraints, makes piston rod 5 can drive the motion of minor axis 3 axial translations, between minor axis 3 and the piston rod 5 bearing 6 is installed also, makes that minor axis 3 is free to rotate.

For the ease of guaranteeing that two minor axises 3 can just gently be pressed on the paper, the telescoping member of present embodiment is slidingly connected with rewinding machine frame 8 by a sliding component 7.The glide direction of sliding component 7 for drive minor axis 3 radial translation near and away from the direction of wind-up roll 1.The locating part 9 of limit slippage member 7 displacement limits is installed on rewinding machine.The locating part 9 of present embodiment is the adjustment screw that is screwed on the frame 8.The extreme lower position that descends by the Height Adjustable sliding component 7 of adjusting screw, thus guarantee that minor axis 3 can just gently be pressed on the paper.Sliding component 7 is slidingly connected with guide rail 10, and guide rail 10 is fixing with the frame 8 of rewinding machine.Guide rail 10 is polished rods of pair of parallel, and sliding component 7 is socketed on the guide rail 10, and and guide rail between linear bearing 11 is installed.Cylinder 4 in the telescoping member is fixing with sliding component 7.

The piston rod 5 of present embodiment and the concrete draw bail of minor axis 3 are as shown in Figure 4, the termination of piston rod 5 is fixed with an axle sleeve 12, the bearing 6 that is installed between minor axis 3 and the piston rod 5 is fixed on the axle sleeve 12, the end that minor axis 3 connects with piston rod 5 is the hollow cylinder structure, axle sleeve 12 is enclosed within the hollow cylinder with bearing 6, and is limited in the hollow cylinder by a jump ring 13 that is fixed on the hollow cylinder inwall.This structure had both realized freely rotating of minor axis 3, had guaranteed that again piston rod 5 can drive the motion of minor axis 3 axial translations.For the ease of axle sleeve is installed, axle sleeve 12 is by shaft end nut 15 lockings that are tightened on the piston rod 5.

The course of work below in conjunction with the description of drawings present embodiment: in the starting stage of beginning coil paper, cylinder 4 promotes two minor axises 3 by piston rod 5 and is inserted between wind-up roll 1 and the pressure roller 2, and two minor axises 3 gently are pressed on the paper.The paper end unrolls under the blower system (not shown) effect of rewinding machine and covers on two minor axises 3.Then pressure roller 2 is depressed, and wind-up roll 1 begins to rotate.Because two minor axises 3 are free to rotate, so under the coordination operation effect of wind-up roll 1 and pressure roller 2, can be on two minor axises 3 with the paper lift-over.When the paper roll 14 that forms rolled volume to a small amount of thickness, for example lift-over was to 20mm～60mm, and cylinder 4 is extracted two minor axises 3 rapidly out from paper roll by piston rod 5, and pressure roller 2 further presses down thereupon, with established a small amount of paper roll 14 compactings.Then this a small amount of paper roll 14 plays the effect of core pipe, under the remaining in operation of wind-up roll 1 and pressure roller 2, finally just paper roll 14 can be rolled the thickness of rolling up to finished roll.

Except above embodiment, the utility model can also have multiple variation that is equal to or distortion, for example, described telescoping member is except adopting above-mentioned preferred forms, and other can realize the conventional mechanical structure of linear reciprocating motion can also to adopt rack-and-pinion etc.; And for example, the guide rail 10 that connects with sliding component 7 can be a circular cross-section, also can be rectangle, other cross sectional shapes such as trapezoidal; if adopt the noncircular cross section guide rail; also a guide rail can only be set, and so on, variation that all are equal to or distortion all belong to protection domain of the present utility model.

Claims

1, a kind of coreless rolls rewinding mechanism of rewinding machine, comprise the wind-up roll that is arranged in parallel and the pressure roller that are installed on the rewinding machine, it is characterized in that: also comprise two minor axises free to rotate, two minor axises are opposite to the end, both sides of close wind-up roll and pressure roller, and it is parallel with pressure roller with wind-up roll, two minor axises connect with a telescoping member respectively, and the stretching motion direction of telescoping member is for driving the direction of minor axis axial translation, and described telescoping member is installed on the rewinding machine.

2, coreless rolls rewinding as claimed in claim 1 mechanism, it is characterized in that: described telescoping member is slidingly connected by a sliding component and rewinding machine frame, telescoping member can be slided along with sliding component with minor axis, the glide direction of sliding component for drive the minor axis radial translation near and away from the direction of wind-up roll, the locating part of limit slippage member displacement limits also is installed on rewinding machine.

3, coreless rolls rewinding as claimed in claim 2 mechanism, it is characterized in that: described locating part is the adjustment screw that is screwed on the frame.

4, coreless rolls rewinding as claimed in claim 2 mechanism, it is characterized in that: described sliding component and guide rail are slidingly connected, and the frame of guide rail and rewinding machine is fixed.

5, coreless rolls rewinding as claimed in claim 4 mechanism, it is characterized in that: described guide rail is the polished rod of pair of parallel, and sliding component is socketed on the guide rail, and and guide rail between linear bearing is installed.

6, coreless rolls rewinding as claimed in claim 1 or 2 mechanism, it is characterized in that: described telescoping member is made of the piston rod of cylinder and cylinder, and the termination of piston rod connects with the minor axis axial restraint, between minor axis and the piston rod bearing is installed.

7, coreless rolls rewinding as claimed in claim 6 mechanism, it is characterized in that: cylinder and sliding component are fixed.

8, coreless rolls rewinding as claimed in claim 6 mechanism, it is characterized in that: the termination of piston rod is fixed with an axle sleeve, be installed in bearing fixing between minor axis and the piston rod on axle sleeve, the end that minor axis connects with piston rod is the hollow cylinder structure, axle sleeve and is limited in the hollow cylinder by a jump ring that is fixed on the hollow cylinder inwall in bearing is enclosed within hollow cylinder.

9, coreless rolls rewinding as claimed in claim 8 mechanism is characterized in that: the axle sleeve on the piston rod end is by a shaft end nut locking that is tightened on the piston rod.