CN218340667U

CN218340667U - Guide assembly convenient for replacing guide wheel for rolling steel

Info

Publication number: CN218340667U
Application number: CN202222549854.8U
Authority: CN
Inventors: 李佳阳; 刘靖; 李强
Original assignee: Jiangsu Huaruiye Mining Electric Machinery Co ltd
Current assignee: Jiangsu Huaruiye Mining Electric Machinery Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-20
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a steel is rolling with leading and defending assembly convenient to change guide pulley, including leading and defending the case and leading and defending the mechanism, it includes upper fixed plate, bottom plate and guide pulley to lead and defending the mechanism, the bottom plate sets up under the upper fixed plate, the guide pulley sets up between upper fixed plate and bottom plate, the guide pulley middle part is run through and is provided with the shaft, fixed block on the fixedly connected with in shaft top, fixed block under the fixedly connected with of shaft bottom. The utility model discloses a lower extreme sets up fixed block and lower fixed block respectively about the guide pulley to set up pneumatic cylinder and stop collar on the fixed plate, set up the spacing groove on the bottom plate simultaneously, lower fixed block and spacing groove looks joint realize fixed to the preliminary installation of guide pulley, and the pneumatic cylinder promotes the stop collar and pushes down and carry out the joint with last fixed block, realizes fixed the further installation of guide pulley, the utility model discloses simple structure, simple operation can carry out quick assembly disassembly to the guide pulley and change.

Description

Guide assembly convenient for replacing guide wheel for rolling steel

Technical Field

The utility model relates to a lead and defend technical field, concretely relates to steel is rolling with leading and defending assembly convenient to change guide pulley.

Background

The guide is a device which is arranged before and after the roll pass and helps rolled pieces to accurately and stably enter and exit the roll pass according to a set direction and state in the process of rolling section steel. For rolling section steel with any section shape, guide and guard devices are used at the inlet and outlet of almost all the rollers. The function of the rolling piece is to enable the rolled piece to enter and exit the pass according to the required state, and ensure that the rolled piece is rolled according to the determined deformation condition. Although the hole pattern design is reasonable, if the design or the use of the guide and guard device is improper, qualified products cannot be rolled out, and scraping, cutting, steel extrusion, roll winding and even roll breakage or serious equipment accidents and personal accidents can be caused.

Present guide defend the device when using, the guide pulley on it is fixed comparatively complicated, be not convenient for carry out quick assembly disassembly to the guide pulley and change, for example, application number is CN202221074477.0 discloses a four-roller guide defend assembly convenient to maintain, this patent drives two-way screw rod through rotating the knob and rotates, it moves on two-way screw rod to drive the block board, make the block board ann insert the block inslot, make stopper extrusion limiting plate simultaneously, it is downthehole to make the limiting plate ann insert spacing, then it just can accomplish the installation to the running roller to tighten the screw, the dismouting operation is comparatively complicated, be not convenient for carry out quick assembly disassembly to the guide pulley and change.

Therefore, it is necessary to provide a guide assembly for rolling steel products, which facilitates replacement of the guide wheel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel is rolling with leading and defending assembly convenient to change guide pulley to current leading and defending device is when using in the solution technology, and the guide pulley on it is fixed comparatively complicated, is not convenient for carry out the problem that quick assembly disassembly changed to the guide pulley.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a steel rolling is with leading and defending assembly convenient to change guide pulley, includes leads and defends case and leads and defend the mechanism, it includes an upper fixed plate, bottom plate and guide pulley to lead and defend the mechanism, the bottom plate sets up under the upper fixed plate, the guide pulley sets up between an upper fixed plate and bottom plate, the guide pulley middle part is run through and is provided with the shaft, fixed block on the fixedly connected with of shaft top, fixed block under the fixedly connected with of shaft bottom, the mount is installed at the upper fixed plate top, the pneumatic cylinder is installed to the mount bottom, pneumatic cylinder bottom output runs through an upper fixed plate and fixedly connected with stop collar, the fixed block joint is inside the stop collar, the spacing groove has been seted up at the bottom plate top, the fixed block joint is inside the spacing groove down.

Preferably, the guide and guard mechanism is arranged at the inlet end of the guide and guard box, the upper fixing plate is fixedly connected to the top of the inlet end of the guide and guard box, and the lower fixing plate is fixedly connected to the bottom of the inlet end of the guide and guard box.

Preferably, the number of the guide and guard mechanisms is two, the two guide and guard mechanisms are symmetrically distributed about the middle line of the guide and guard box, and the rolled piece is guided to enter the rolling mill through guide wheels on the two positioning mechanisms.

Preferably, the upper fixing block and the lower fixing block are rectangular squares, the cross-sectional shapes of the limiting sleeve and the limiting groove are rectangular, and the rectangular structural design of the upper fixing block, the lower fixing block, the limiting sleeve and the limiting groove can avoid sliding, so that the fixing effect of the limiting sleeve and the limiting groove on the upper fixing block and the lower fixing block can be improved.

Preferably, bearings are installed at the top end and the bottom end of the guide wheel, the top end and the bottom end of the wheel shaft are respectively rotatably connected with the two bearings, and the guide wheel can rotate around the wheel shaft through the bearings.

Preferably, the guide wheel comprises an inner core body and an outer shell, and the outer shell is wrapped on the outer side of the inner core body.

Preferably, the outer shell is made of a zirconia material, and the zirconia material has the characteristics of wear resistance and high temperature resistance, can endow the outer shell with good wear resistance, and is favorable for prolonging the service life of the guide wheel.

Preferably, the equal fixedly connected with skid resistant course of stop collar and spacing inslot wall, the skid resistant course is made by rubber materials, and the skid resistant course be provided with do benefit to further to improve the fixed effect of stop collar and spacing groove to last fixed block and lower fixed block.

In the technical scheme, the utility model provides a technological effect and advantage:

through end set up fixed block and lower fixed block respectively about the guide pulley to set up pneumatic cylinder and stop collar on the fixed plate, set up the spacing groove simultaneously on the bottom plate, lower fixed block and spacing groove looks joint realize fixed to the preliminary installation of guide pulley, and the pneumatic cylinder promotes the stop collar and pushes down and carry out the joint with last fixed block, realizes fixed to the further installation of guide pulley, the utility model discloses simple structure, simple operation can carry out quick dismouting change to the guide pulley.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an exploded view of the guide mechanism of the present invention;

FIG. 3 is a partial sectional view of the present invention;

fig. 4 is a schematic structural view of the upper fixing plate, the hydraulic cylinder and the stop collar of the present invention;

fig. 5 is a schematic structural view of the guide wheel of the present invention when detached.

Description of reference numerals:

1. a guide box; 2. an upper fixing plate; 3. a lower fixing plate; 4. a guide wheel; 5. a wheel axle; 6. an upper fixed block; 7. a lower fixed block; 8. a fixed mount; 9. a hydraulic cylinder; 10. a limiting sleeve; 11. a limiting groove; 12. a bearing; 13. an inner core body; 14. an outer housing; 15. and an anti-slip layer.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a rolling guide assembly of using of steel convenient to change guide pulley as shown in fig. 1-5, including leading and defending case 1 and leading and defending the mechanism, it includes upper fixed plate 2, bottom plate 3 and guide pulley 4 to lead and defending the mechanism, bottom plate 3 sets up under upper fixed plate 2, guide pulley 4 sets up between upper fixed plate 2 and bottom plate 3, guide pulley 4 middle part is run through and is provided with shaft 5, fixed block 6 on the 5 top fixedly connected with of shaft, fixed block 7 under the 5 bottom fixedly connected with of shaft, mount 8 is installed at upper fixed plate 2 top, pneumatic cylinder 9 is installed to mount 8 bottoms, pneumatic cylinder 9 bottom output runs through upper fixed plate 2 and fixedly connected with stop collar 10, the fixed block joint is inside stop collar 10, spacing groove 11 has been seted up at 3 tops of bottom plate, 7 joints of fixed block are inside spacing groove 11.

The guide and guard mechanism is arranged at the inlet end of the guide and guard box 1, the upper fixing plate 2 is fixedly connected to the top of the inlet end of the guide and guard box 1, and the lower fixing plate 3 is fixedly connected to the bottom of the inlet end of the guide and guard box 1.

The number of the guide mechanisms is two, and the two guide mechanisms are symmetrically distributed around the center line of the guide box 1.

The upper fixing block 6 and the lower fixing block 7 are rectangular squares, and the cross sections of the limiting sleeve 10 and the limiting groove 11 are rectangular.

And bearings 12 are respectively arranged at the top end and the bottom end of the guide wheel 4, and the top end and the bottom end of the wheel shaft 5 are respectively in rotating connection with the two bearings 12.

The guide wheel 4 consists of an inner core body 13 and an outer shell 14, and the outer shell 14 is wrapped outside the inner core body 13.

The outer housing 14 is made of a zirconia material.

The inner walls of the limiting sleeve 10 and the limiting groove 11 are fixedly connected with an anti-skid layer 15, and the anti-skid layer 15 is made of rubber materials.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, when the utility model is used, firstly, the guide wheel 4 is placed between the upper fixing plate 2 and the lower fixing plate 3, the lower fixing block 7 at the bottom end of the wheel shaft 5 is clamped with the limiting groove 11 on the lower fixing plate 3, the preliminary fixing of the wheel shaft 5 is realized, then the hydraulic cylinder 9 is started, the output end at the bottom of the hydraulic cylinder 9 pushes the limiting sleeve 10 to press downwards until the limiting sleeve 10 is clamped with the upper fixing block 6 at the top end of the wheel shaft 5, the further fixing of the wheel shaft 5 is realized, and the quick installation of the guide wheel 4 is completed;

referring to the attached drawings 1-5 of the specification, when the guide wheel 4 is worn, the hydraulic cylinder 9 is started firstly, the output end at the bottom of the hydraulic cylinder 9 pulls the limiting sleeve 10 upwards until the limiting sleeve 10 is completely separated from the upper fixing block 6, the fixing of the top end of the wheel shaft 5 is cancelled, then the guide wheel 4 is lifted upwards, the lower fixing block 7 is completely taken out of the limiting groove 11, the fixing of the bottom end of the wheel shaft 5 is cancelled, and then the guide wheel 4 can be quickly detached from the space between the upper fixing plate 2 and the lower fixing plate 3.

Claims

1. The utility model provides a steel is rolling with leading and defending assembly convenient to change guide pulley, includes to lead and defend case (1) and lead and defend mechanism, its characterized in that: guide and guard mechanism includes an upper fixed plate (2), a lower fixed plate (3) and guide pulley (4), a lower fixed plate (3) sets up under an upper fixed plate (2), guide pulley (4) set up between an upper fixed plate (2) and a lower fixed plate (3), guide pulley (4) middle part is run through and is provided with shaft (5), shaft (5) top fixedly connected with upper fixed block (6), fixed block (7) under shaft (5) bottom fixedly connected with, mount (8) are installed at upper fixed plate (2) top, pneumatic cylinder (9) are installed to mount (8) bottom, pneumatic cylinder (9) bottom output runs through upper fixed plate (2) and fixedly connected with stop collar (10), the fixed block joint is inside stop collar (10), spacing groove (11) have been seted up at lower fixed plate (3) top, lower fixed block (7) joint is inside spacing groove (11).

2. The guide and guard assembly for rolling steel for conveniently replacing the guide wheel as claimed in claim 1, wherein: the guide and guard mechanism is arranged at the inlet end of the guide and guard box (1), the upper fixing plate (2) is fixedly connected to the top of the inlet end of the guide and guard box (1), and the lower fixing plate (3) is fixedly connected to the bottom of the inlet end of the guide and guard box (1).

3. The guide and guard assembly for rolling steel products with a guide wheel convenient to replace as defined in claim 1, wherein: the number of the guide mechanisms is two, and the two guide mechanisms are symmetrically distributed around the center line of the guide box (1).

4. The guide and guard assembly for rolling steel for conveniently replacing the guide wheel as claimed in claim 1, wherein: the upper fixing block (6) and the lower fixing block (7) are both rectangular squares, and the cross sections of the limiting sleeve (10) and the limiting groove (11) are both rectangular.

5. The guide and guard assembly for rolling steel for conveniently replacing the guide wheel as claimed in claim 1, wherein: and bearings (12) are respectively installed at the top end and the bottom end of the guide wheel (4), and the top end and the bottom end of the wheel shaft (5) are respectively in rotary connection with the two bearings (12).

6. The guide and guard assembly for rolling steel for conveniently replacing the guide wheel as claimed in claim 1, wherein: the guide wheel (4) is composed of an inner core body (13) and an outer shell (14), and the outer shell (14) is wrapped on the outer side of the inner core body (13).

7. The guide and guard assembly for rolling steel products with a guide wheel convenient to replace of the guide wheel as set forth in claim 6, wherein: the outer housing (14) is made of a zirconia material.

8. The guide and guard assembly for rolling steel products with a guide wheel convenient to replace as defined in claim 1, wherein: the limiting sleeve is characterized in that the limiting sleeve (10) and the inner wall of the limiting groove (11) are fixedly connected with an anti-skid layer (15), and the anti-skid layer (15) is made of rubber materials.