CN218988328U

CN218988328U - Limiting device for correcting deviation of strip

Info

Publication number: CN218988328U
Application number: CN202122098882.8U
Authority: CN
Inventors: 杨正勇; 张华烽
Original assignee: Kunming Sanxing Zhizao Technology Co ltd
Current assignee: Kunming Dingcheng Technology Co ltd; Kunming Sanxing Zhizao Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2023-05-09
Anticipated expiration: 2031-09-01

Abstract

The utility model provides a limiting device for correcting a strip, which comprises a first limiting roller and a second limiting roller which are arranged in parallel, and is characterized in that an axial adjusting mechanism is arranged on the first limiting roller and the second limiting roller, the axial adjusting mechanism comprises spiral grooves which are respectively arranged on roller surfaces at two ends of the first limiting roller and the second limiting roller and have opposite spiral directions, limiting rings which are respectively sleeved at two ends of the first limiting roller and the second limiting roller are respectively arranged on the inner circular wall of each limiting ring, the sliding blocks are arranged in the corresponding spiral grooves, when the first limiting roller and the second limiting roller rotate along with a rotating power machine according to the requirement, the two limiting rings on the sliding blocks can synchronously move along the corresponding first limiting roller and the corresponding second limiting roller under the matching effect of the sliding blocks and the corresponding spiral grooves, the distance adjustment between the two limiting rings is realized, the limiting device is simple in structure, convenient and quick to adjust, and the limiting reliability and stability are high.

Description

Limiting device for correcting deviation of strip

Technical Field

The utility model relates to a belt material limiting device, in particular to a limiting device for correcting a belt material, and belongs to the technical field of mechanical equipment design and manufacture.

Background

In industrial production, it is common to supply strip material, and in the process of supplying strip material, a limiting device is usually used for limiting in order to prevent the strip from shifting during operation. Because the existing limiting devices are all fixed structures, and the strips with different widths are required to be used according to production requirements, once the widths of the strips are changed, the existing limiting devices are difficult to adapt to the width changes to lose limiting effect, so that the prior art is mostly provided with the limiting devices with different widths, the investment is increased, and the corresponding limiting devices are difficult to adapt to any width changes. There is therefore a need for improvements in the art.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the limiting device with simple structure and adjustable limiting width.

The utility model is realized by the following technical scheme: the utility model provides a belt material is rectified and is used stop device, including the first, second limiting roller that sets up side by side, its characterized in that sets up axial adjustment mechanism on first, the second limiting roller, this axial adjustment mechanism is including setting up the spiral groove that the spiral direction is opposite on the roll surface at first, second limiting roller both ends respectively, the spacing ring at first, second limiting roller both ends is established to the cover respectively, all be equipped with the slider on the interior circular wall of every spacing ring, the slider is arranged in corresponding spiral groove, in order to make first, when second limiting roller rotates along with the rotating power machine as required, two spacing rings on first, the second limiting roller all can be under the cooperation effect of slider and corresponding spiral groove, move along corresponding first, second limiting roller in step, realize the distance adjustment between two spacing rings, the spacing requirement of adaptation different width belts.

The positioning mechanism comprises two positioning rods which are respectively connected with the seat bearings of the first and second limiting rollers in a screwed mode, the two positioning rods are respectively clamped in grooves corresponding to the outer circles of the limiting rings, positioning blocks are sleeved on the two positioning rods, so that after the limiting rings on the first and second limiting rollers are adjusted in place, the two positioning rods with the positioning blocks are connected with the seat bearings in a screwed mode and clamped into the grooves corresponding to the outer circles of the limiting rings, the positioning blocks limit the movement of the limiting rings, positioning of the limiting rings is finished, and the limiting rings are not moved any more.

The common ends of the first limit roller and the second limit roller respectively penetrate through corresponding belt seat bearings to be connected with corresponding driving wheels, the two driving wheels are connected through driving mechanism belts, and the second limit roller is connected with a rotary power machine so as to enable the first limit roller and the second limit roller to rotate through the driving belts and the belt wheels under the driving of the rotary power machine.

The utility model has the following advantages and effects: by adopting the scheme, when the first limit roller and the second limit roller rotate along with the rotary power machine as required, the two limit rings on the first limit roller and the second limit roller can synchronously move along the corresponding first limit roller and the corresponding second limit roller under the matching action of the sliding block and the corresponding spiral groove, so that the distance adjustment between the two limit rings is realized, the limit requirements of strips with different widths are met, the device has the advantages of simple structure, convenience and rapidness in adjustment, no movement of the two limit rings due to the positioning mechanism after adjustment, flexibility in limit adjustment and high limit reliability and stability.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the limiting roller in FIG. 1;

FIG. 3 is a schematic view of the stop collar in FIG. 2;

FIG. 4 is a schematic diagram of an application of the present utility model.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application are clearly and completely described below with reference to the accompanying drawings.

The utility model provides a limiting device for correcting a strip, which comprises a first limiting roller 31 and a second limiting roller 32 which are arranged in parallel, wherein the first limiting roller 31 and the second limiting roller 32 are used for synchronously limiting new and old strips a11 and a21 before glue-free splicing, as shown in fig. 1 and 4, so that the longitudinal dislocation amount of the new and old strips a11 and a21 of a splicing section is controlled within a range of +/-0.5 mm;

the common ends of the first limit roller 31 and the second limit roller 32 respectively pass through corresponding belt seat bearings 38 and are connected with corresponding belt pulleys, the two belt pulleys are connected through a transmission belt 37, and further transmission is completed, and the second limit roller 32 is connected with a rotary power machine 36 so as to enable the first limit roller 31 and the second limit roller 32 to rotate through the transmission belt 37 and the belt pulley under the driving of the rotary power machine 36; an axial adjusting mechanism is arranged on the first limit roller 31 and the second limit roller 32, the axial adjusting mechanism comprises spiral grooves 33 which are respectively arranged on roller surfaces at two ends of the first limit roller 31 and the second limit roller 32 and have opposite spiral directions, limit rings 34 are respectively sleeved on two ends of the first limit roller 31 and the second limit roller 32, a sliding block 341 is arranged on the inner circular wall of each limit ring 34, the sliding block 341 is arranged in the corresponding spiral groove 33, so that when the first limit roller 31 and the second limit roller 32 rotate along with a rotating power machine 36, the two limit rings 34 on the first limit roller 31 and the second limit roller 32 synchronously move along the corresponding first limit roller 31 and the corresponding spiral groove 33 under the matching action of the sliding block 341 and the corresponding spiral groove 33, the distance adjustment between the two limit rings 34 is realized, and limit of different strips is met, as shown in fig. 1, the new strips a11 and the old strips a21 are both limited in the two limit rings 34, and the limit requirements of different strips are met; the first limiting roller 31 and the second limiting roller 32 are provided with a positioning mechanism which comprises two positioning rods 35 which are respectively connected with the bearing 38 with the seat for connecting the first limiting roller 31 and the second limiting roller 32 in a threaded manner, the two positioning rods 35 are respectively clamped in grooves 342 corresponding to the outer circle of the limiting ring 34, and positioning blocks 39 are sleeved on the two positioning rods 35, so that after the limiting rings 34 on the first limiting roller 31 and the second limiting roller 32 are adjusted in place, the two positioning rods 35 with the positioning blocks 39 are connected with the bearing 38 with the seat in a threaded manner and clamped into the grooves 342 corresponding to the outer circle of the limiting ring 34, the positioning blocks 39 limit the movement of the limiting ring 34, and then the positioning of the limiting ring 34 is completed, and the limiting ring 34 is prevented from moving.

Fig. 4 shows an example of the application of the limit device for correcting deviation of a strip material in the production of a cigarette filter rod, wherein: a1 is a new strip roll, a2 is an old strip roll, a2 is a deviation correcting device, 3 is a limiting device for correcting the deviation of the strip, and 4 is a splicing device for the new and the old strips a11 and a 21.

The foregoing is only one embodiment of the present utility model and is not intended to limit the utility model, and any modifications, equivalents, improvements, etc. made within the principles of the present utility model should be considered as falling within the scope of the utility model.

Claims

1. The utility model provides a stop device for strip is rectified, includes the first, second limiting roller that set up side by side, sets up axial adjustment mechanism on its characterized in that first, the second limiting roller, and this axial adjustment mechanism is including setting up the spiral groove opposite in the spiral direction on the roll surface at first, second limiting roller both ends respectively, overlaps the spacing ring of establishing at first, second limiting roller both ends respectively, all is equipped with the slider on the interior circular wall of every spacing ring, and the slider is arranged in corresponding spiral groove.

2. The device for correcting deviation of a strip according to claim 1, wherein the first and second limiting rollers are provided with a positioning mechanism, the positioning mechanism comprises two positioning rods which are respectively screwed on the bearings with seats for connecting the first and second limiting rollers, the two positioning rods are respectively clamped in grooves corresponding to the outer circles of the limiting rings, and the two positioning rods are sleeved with positioning blocks.

3. The belt material deviation correcting limiting device according to claim 1, wherein the common ends of the first limiting roller and the second limiting roller respectively penetrate through corresponding belt seat bearings to be connected with corresponding driving wheels, the two driving wheels are connected through driving mechanism belts, and the second limiting roller is connected with a rotating power machine so as to enable the first limiting roller and the second limiting roller to rotate through the driving belts and the belt wheels under the driving of the rotating power machine.