CN212076023U - Reel expansion mechanism of steel strip pickling line unreeling machine - Google Patents

Abstract

The utility model discloses a spool expansion mechanism of steel band pickling line unreeling machine, including the spool expansion sleeve body panel that is located the periphery, the inner periphery of spool expansion sleeve body panel is articulated respectively and is installed upper connecting rod assembly one end and lower connecting rod assembly one end, and the upper connecting rod assembly other end and the lower connecting rod assembly other end articulate the connecting rod dabber respectively, wherein, the input of connecting rod dabber and drive input shaft fixed rigid connection, and its output and drive output shaft fixed rigid connection, drive input shaft is installed and is used for the spacing ring flange of spool expansion sleeve body panel axial spacing, under the stroke drive of drive input shaft, drive upper connecting rod assembly and lower connecting rod assembly articulated rotation in spool expansion sleeve body panel respectively through the connecting rod dabber, realize the external diameter expansion to spool expansion sleeve body panel; the utility model discloses a link assembly realizes the bigger inflation scope to the spool, need not carry out the dismouting of nylon antifriction plate when carrying out the inflation change simultaneously, has avoided the consumption of nylon antifriction plate.

Description

Reel expansion mechanism of steel strip pickling line unreeling machine

Technical Field

The utility model relates to an improvement technique of steel band pickling line decoiler, concretely relates to spool expansion mechanism of steel band pickling line decoiler.

Background

In a known unwinding process of a steel strip pickling line, a reel of an unwinding machine of the steel strip pickling line is rotated to drive a steel coil borne by the reel to rotate so as to realize unwinding. In order to realize the unreeling requirement of steel coils with different inner diameter specifications, the reel of the unreeling machine of the steel strip pickling line usually adopts a wedge-shaped inclined plane sliding type expansion mechanism, and the expansion range which can be realized by the wedge-shaped inclined plane sliding type expansion mechanism is 550-630 mm. However, the conventional steel coil inner diameter specification usually includes a steel coil with a steel coil inner diameter as high as 760mm, the prior art needs to further install a nylon wear-resistant plate on a reel adopting the wedge-shaped inclined-plane sliding type expansion mechanism to meet the corresponding requirement, when the steel coil with a smaller inner diameter specification is unreeled, the nylon wear-resistant plate on the reel needs to be dismantled, the nylon wear-resistant plate is very cumbersome in unreeling process, and the production cost is increased due to the need of further consuming the nylon wear-resistant plate.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a spool expansion mechanism of steel band pickling line unreeling machine realizes the bigger inflation scope to the spool through link assembly, need not carry out the dismouting of nylon antifriction plate when carrying out the inflation change simultaneously, has avoided the consumption of nylon antifriction plate.

The utility model adopts the technical scheme as follows:

the utility model provides a spool expansion mechanism of steel band pickling line unreeling machine, is including the spool expansion sleeve body panel that is located the periphery, link assembly one end and lower link assembly one end are installed in the articulated installation respectively of spool expansion sleeve body panel inner periphery, just go up the link assembly other end and the lower link assembly other end articulates the connecting rod dabber respectively, wherein, the input and the fixed rigid connection of drive input shaft of connecting rod dabber, and its output and the fixed rigid connection of drive output shaft, the drive input shaft is installed and is used for the spacing limit flange dish of spool expansion sleeve body panel axial drive input shaft's stroke drive down, through the connecting rod dabber drives respectively go up link assembly and lower link assembly and articulate the rotation in the internal panel of spool expansion sleeve, realize the external diameter inflation to the spool expansion sleeve body panel.

Preferably, the maximum axial driving stroke range of the driving input shaft is 130-.

Preferably, the drive input shaft is in driving connection with the hydraulic cylinder through a coupling.

Preferably, the drive input shaft and the drive output shaft are each rotatably mounted on a bearing block by means of a bearing.

Preferably, the inner periphery of the panel of the reel expansion sleeve body and the connecting rod mandrel are provided with hinged installation partition plates which are distributed at intervals, and each hinged installation partition plate is provided with a hinged connection fulcrum.

Preferably, the upper connecting rod assembly is hinged with the inner periphery of the panel of the reel expansion sleeve body and the connecting rod mandrel through hinge bolts respectively; and the lower connecting rod assembly is hinged with the inner periphery of the panel of the scroll expansion sleeve body and the connecting rod mandrel through a hinge bolt respectively.

The utility model discloses a by the spool expansion sleeve body panel, go up the connecting rod subassembly, the spool expansion mechanism that connecting rod dabber and lower link assembly are constituteed, carry out under the axial spacing condition at the linear drive effect of drive input shaft and to the spool expansion sleeve body panel, the connecting rod dabber drives connecting rod subassembly and lower link assembly and articulates in the spool expansion sleeve body panel simultaneously, and then make the external diameter inflation of spool expansion sleeve body panel, the spool expansion mechanism of this application has realized the bigger external diameter expansion scope to the spool expansion sleeve body panel through link assembly under littleer axial drive stroke, finally make the inflation maximum range who ensures the spool reach 780mm, the dismouting of nylon antifriction plate need not carry out when carrying out the inflation change simultaneously, the consumption of nylon antifriction plate has been avoided.

Drawings

Fig. 1 is a schematic combined cross-sectional structure diagram of a reel expansion mechanism of a steel strip pickling line unreeling machine in an unexpanded state and an expanded state according to an embodiment of the present invention.

Detailed Description

The embodiment of the utility model discloses spool expansion mechanism of steel band pickling line unreeling machine, including the spool expansion sleeve body panel that is located the periphery, link assembly one end and lower link assembly one end are installed in the articulated respectively in spool expansion sleeve body panel inner periphery, and go up the link assembly other end and the lower link assembly other end articulates the connecting rod dabber respectively, wherein, the input and the fixed rigid connection of drive input shaft of connecting rod dabber, and its output and the fixed rigid connection of drive output shaft, drive input shaft is installed and is used for the spacing limit flange dish of spool expansion sleeve body panel axial, under the stroke drive of drive input shaft, it rotates at the internal articulated of spool expansion sleeve body panel to drive link assembly and lower link assembly respectively through the connecting rod dabber, realize the external diameter inflation to spool expansion sleeve body panel.

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1, a reel expansion mechanism 1 of a steel strip pickling line unreeling machine comprises a reel expansion sleeve panel 10 located at the outer periphery, wherein the inner periphery of the reel expansion sleeve panel 10 is respectively hinged with one end of an upper connecting rod assembly 20 and one end of a lower connecting rod assembly 30, and the other end of the upper connecting rod assembly 20 and the other end of the lower connecting rod assembly 30 are respectively hinged with a connecting rod mandrel 40, wherein the input end of the connecting rod mandrel 40 is fixedly and rigidly connected with a driving input shaft 50, the output end of the connecting rod mandrel is fixedly and rigidly connected with a driving output shaft 60, and the driving input shaft 50 and the driving output shaft 60 are respectively and rotatably installed on a bearing seat;

in the present embodiment, the driving input shaft 50 is in driving connection with the hydraulic cylinder 74 through the coupler 73, and the driving input shaft 50 is provided with a limiting flange 75 for axial limiting of the reel expansion sleeve body panel 10, and under the driving of the stroke of the driving input shaft 50, the connecting rod core shaft 40 respectively drives the upper connecting rod assembly 20 and the lower connecting rod assembly 30 to hinge and rotate in the reel expansion sleeve body panel 10, so as to realize the outer diameter expansion of the reel expansion sleeve body panel 10;

preferably, in the present embodiment, for the convenience of hinge installation, the inner periphery of the panel 10 of the reel expansion sleeve body and the connecting rod mandrel 40 are provided with hinge installation partition plates 76 distributed at intervals, and each hinge installation partition plate 76 is provided with a hinge connection fulcrum; more preferably, the upper link assembly 20 is hinged to the inner periphery of the reel expansion sleeve body panel 10 and the link mandrel 40 by means of hinge bolts 77, respectively; the lower connecting rod assembly 30 is respectively hinged with the inner periphery of the scroll expansion sleeve body panel 10 and the connecting rod core shaft 40 through a hinge bolt 77;

preferably, the maximum axial driving stroke range of the driving input shaft 50 is 130-; specifically, in the present embodiment, the maximum axial driving stroke of the driving input shaft 50 is 138mm, and the achievable outer diameter expansion range of the panel 10 of the reel expansion sleeve body is 550-780mm through the hinged expansion effect of the upper connecting rod assembly 20 and the lower connecting rod assembly 30.

It should be noted that, the cross-sectional view shown in fig. 1 of the present specification respectively shows a combined schematic view of the cross-sectional structures in the unexpanded state and the expanded state, where the cross-sectional view above the central line of the mandrel is a structural cross-sectional view of the panel 10 of the reel expansion sleeve in the original unexpanded state, the connecting rod mandrel 40 is in the original un-driven position, the structural cross-sectional view of the panel 10 of the reel expansion sleeve is below the central line of the mandrel is in the expanded state, and the connecting rod mandrel 40 is in the position driven by the driving input shaft to the right, so as to drive the connecting rod assemblies 20 and 30 to hinge and rotate on the inner periphery of the panel.

This embodiment is through the spool expansion mechanism 1 that comprises the spool expansion sleeve body panel 10, go up connecting rod subassembly 20, connecting rod dabber 40 and lower link assembly 30, under the linear drive effect of drive input shaft 50 and carry out axial spacing condition to spool expansion sleeve body panel 10, the connecting rod dabber drives connecting rod subassembly 20 and lower link assembly 30 and articulates in spool expansion sleeve body panel 10 simultaneously and rotates, and then make the external diameter inflation of spool expansion sleeve body panel 10, the spool expansion mechanism 1 of this application passes through connecting rod subassembly 20 under littleer axial drive stroke, 30 has realized the bigger external diameter expansion scope to spool expansion sleeve body face 10, finally make the inflation maximum range who ensures the spool reach 780mm, simultaneously need not carry out the dismouting of nylon antifriction plate when carrying out the inflation change, the consumption of nylon antifriction plate has been avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a spool expansion mechanism of steel band pickling line unreeling machine, a serial communication port, including the spool expansion sleeve body panel that is located the periphery, link assembly one end and lower link assembly one end are installed in the articulated respectively in spool expansion sleeve body panel inner periphery, just go up the link assembly other end and the lower link assembly other end articulates the connecting rod dabber respectively, wherein, the input and the fixed rigid connection of drive input shaft of connecting rod dabber, and its output and the fixed rigid connection of drive output shaft, the drive input shaft is installed and is used for the spacing limit flange dish of spool expansion sleeve body panel axial drive input shaft's stroke drive down, through the connecting rod dabber drives respectively go up link assembly and lower link assembly and articulate the rotation in the spool expansion sleeve body panel, realize the external diameter inflation to spool expansion sleeve body panel.

2. The reel expansion mechanism of the unreeling machine of the steel strip pickling line as claimed in claim 1, wherein the axial driving maximum stroke range of the driving input shaft is 130-150mm, and the outer diameter expansion range of the reel expansion sleeve body panel is 550-780 mm.

3. The spool expansion mechanism of the unreeling machine of a steel strip pickling line according to claim 1, wherein the drive input shaft is drivingly connected to a hydraulic cylinder through a coupling.

4. The spool expansion mechanism of a steel strip pickling line unreeling machine according to claim 1 wherein the drive input shaft and the drive output shaft are rotatably mounted on bearing housings by bearings, respectively.

5. The reel expansion mechanism of the unreeling machine of the steel strip pickling line as claimed in claim 1, wherein the inner periphery of the panel of the reel expansion sleeve body and the connecting rod mandrel are provided with hinged installation partition plates which are distributed at intervals, and each hinged installation partition plate is provided with a hinged connection fulcrum.

6. The reel expansion mechanism of the unreeling machine of the steel strip pickling line as claimed in claim 1, wherein the upper connecting rod assembly is hinged to the inner periphery of the reel expansion sleeve panel and the connecting rod mandrel through hinge bolts, respectively; and the lower connecting rod assembly is hinged with the inner periphery of the panel of the scroll expansion sleeve body and the connecting rod mandrel through a hinge bolt respectively.

Images