CN216501527U

CN216501527U - Cold rolling mill stop device

Info

Publication number: CN216501527U
Application number: CN202123318893.9U
Authority: CN
Inventors: 孙爱全
Original assignee: Changli Jitai Board Co ltd
Current assignee: Changli Jitai Board Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-13
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a limiting device of a cold rolling mill, belonging to the technical field of limiting devices and comprising a fixed frame, a lower limiting roller, a connecting piece, a telescopic assembly and an upper limiting roller. The lower limiting roller is horizontally arranged and is rotationally connected with the fixed frame. The connecting piece is connected with the fixed frame in a sliding mode along the vertical direction. The telescopic end of the telescopic component is connected with the connecting piece. The upper limiting roller is parallel to the lower limiting roller and is positioned above the lower limiting roller, and the upper limiting roller is rotatably connected with the connecting piece. The limiting device of the cold rolling mill provided by the utility model can adjust the distance between the upper limiting roller and the lower limiting roller along the vertical direction according to the thickness of a raw material to be processed, so that the problem that the existing limiting device can only be suitable for the production of specific cold-rolled steel strips and has a narrow application range is solved.

Description

Cold rolling mill stop device

Technical Field

The utility model belongs to the technical field of limiting devices, and particularly relates to a limiting device of a cold rolling mill.

Background

In the process of producing cold-rolled steel strips through a cold rolling mill, raw materials to be processed horizontally pass through a stop groove for limiting the conveying direction of the raw materials, and in order to prevent the raw materials to be processed from tilting from the stop groove and separating from the stop groove, a limiting device is required to be arranged on one side of the stop groove. The limiting device comprises an upper limiting piece and a lower limiting piece, and raw materials to be processed pass through the upper limiting piece and the lower limiting piece in a sliding mode. Because the distance between the upper limiting piece and the limiting piece is fixed, the raw materials to be processed with only one thickness can be allowed to slide through, namely, the existing limiting device can only be suitable for the production of specific cold-rolled steel strips, and the application range is narrow.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a limiting device of a cold rolling mill, and aims to solve the problems that the existing limiting device can only be suitable for the production of specific cold-rolled steel strips and is narrow in application range.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a cold rolling mill stop device, includes fixed frame, lower spacing roller, connecting piece, flexible subassembly and upper limit roller. The lower limiting roller is horizontally arranged and is rotatably connected with the fixed frame. The connecting piece is connected with the fixed frame in a sliding mode along the vertical direction. The telescopic assembly is connected with the fixed frame and provided with a telescopic end capable of stretching along the vertical direction, and the telescopic end of the telescopic assembly is connected with the connecting piece. The upper limiting roller is parallel to the lower limiting roller and is located above the lower limiting roller, and the upper limiting roller is rotatably connected with the connecting piece.

In one possible implementation, the lower limiting roller comprises a connecting shaft and a roller body. The connecting shaft is arranged along the rotating axis of the lower limiting roller, and the connecting shaft is rotatably connected with the fixed frame. The roller body is of a tubular structure, and the roller body is sleeved on the connecting shaft and detachably connected with the connecting shaft.

In a possible implementation manner, the inner wall of the roller body is provided with a plurality of insertion grooves arranged around the connecting shaft, the insertion grooves axially penetrate through the roller body along the roller body, and the lower limiting roller further comprises a plurality of insertion plates. The plurality of inserting plates correspond to the plurality of inserting grooves one to one, one end of each inserting plate is inserted into the corresponding inserting groove, and the other end of each inserting plate is fixedly connected with the connecting shaft.

In one possible embodiment, the length of the plug plate in the axial direction of the roller body is matched to the plug groove.

In one possible implementation, the limiting device of the cold rolling mill further comprises a fixing piece and a dismounting piece. The fixing piece is sleeved on the connecting shaft and attached to one end face of the roller body, and the fixing piece is fixedly connected with the fixing frame. The dismounting piece is sleeved on the connecting shaft and attached to the other end face of the roller body, and the dismounting piece is detachably connected with the fixed frame.

In a possible implementation manner, the fixed frame is a rectangular frame structure and is sleeved outside the upper limit roller and the lower limit roller, and the opening direction of the fixed frame is perpendicular to the connecting shaft.

In a possible implementation manner, the fixing frame is provided with a taking-out hole corresponding to a side wall of the dismounting part, which is far away from the fixing part, so that the roller body can exit from the fixing frame through the taking-out hole.

In a possible implementation manner, the fixed frame is fixedly provided with two vertically arranged fixed columns, the two fixed columns are respectively located on two sides of the upper limiting roller in the axial direction, and the connecting piece is slidably sleeved on the two fixed columns.

In a possible implementation manner, the number of the lower limiting rollers is at least two, and all the lower limiting rollers are arranged at intervals along the conveying direction of the raw material to be processed.

In a possible implementation manner, the telescopic assembly adopts one of a hydraulic cylinder, an air cylinder or an electronic push rod.

In this application embodiment, locate one side of keeping off the position groove with this device and make the raw materials that wait to process from the lower spacing roller and go up the level between the spacing roller and slide to the restriction is waited to process the raw materials and is kept off the position groove from keeping off the position groove perk. The connecting piece can be driven to slide along the vertical direction through the stretching of the stretching end of the stretching assembly, so that the distance between the upper limiting roller and the lower limiting roller along the vertical direction can be adjusted according to the thickness of the raw materials to be processed, the distance between the upper limiting roller and the lower limiting roller along the vertical direction can be adjusted, and the problem that an existing limiting device can only be suitable for production of specific cold-rolled steel strips and is narrow in application range is solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic axial structure diagram of a limiting device of a cold rolling mill provided in an embodiment of the utility model;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;

fig. 3 is a schematic axial structure diagram of a roll body in a limiting device of a cold rolling mill according to an embodiment of the present invention;

fig. 4 is a schematic axial structure diagram of a cold rolling mill limiting device provided by an embodiment of the present invention after a connecting shaft is connected with a plurality of insertion plates.

In the figure: 1. a fixed frame; 11. taking out the hole; 2. a lower limit roller; 21. a connecting shaft; 22. a roller body; 221. inserting grooves; 23. a plugboard; 3. a connecting member; 4. a telescoping assembly; 5. an upper limit roller; 6. a fixing member; 7. disassembling the parts; 8. fixing a column; 9. and connecting the bolts.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and fig. 2 together, a cold rolling mill limiting device according to the present invention will now be described. The limiting device of the cold rolling mill comprises a fixed frame 1, a lower limiting roller 2, a connecting piece 3, a telescopic assembly 4 and an upper limiting roller 5. The lower limiting roller 2 is horizontally arranged and is rotationally connected with the fixed frame 1. The connecting piece 3 is connected with the fixed frame 1 in a sliding way along the vertical direction. The telescopic assembly 4 is connected with the fixed frame 1 and is provided with a telescopic end which can stretch along the vertical direction, and the telescopic end of the telescopic assembly 4 is connected with the connecting piece 3. The upper limiting roller 5 is parallel to the lower limiting roller 2 and is positioned above the lower limiting roller 2, and the upper limiting roller 5 is rotatably connected with the connecting piece 3.

Compared with the prior art, the limiting device of the cold rolling mill is arranged on one side of the stop groove, and raw materials to be processed horizontally slide through the space between the lower limiting roller 2 and the upper limiting roller 5, so that the raw materials to be processed are limited to tilt from the stop groove and separate from the stop groove. The connecting piece 3 can be driven to slide along the vertical direction through the stretching of the stretching end of the stretching component 4, so that the distance between the upper limiting roller 5 and the lower limiting roller 2 along the vertical direction can be adjusted according to the thickness of the raw materials to be processed, the distance between the upper limiting roller 5 and the lower limiting roller 2 along the vertical direction can be adjusted, and the problem that the existing limiting device can only be suitable for production of specific cold-rolled steel strips and is narrow in applicable range is avoided.

After the surface of the lower retainer roll 2 is worn, the cost of replacing the entire lower retainer roll 2 is high, and in some embodiments, referring to fig. 1 to 3, the lower retainer roll 2 includes a connecting shaft 21 and a roll body 22. The connecting shaft 21 is arranged along the rotating axis of the lower limiting roller 2, and the connecting shaft 21 is rotatably connected with the fixed frame 1. The roller body 22 is of a tubular structure, and the roller body 22 is sleeved on the connecting shaft 21 and detachably connected with the connecting shaft 21. The roller body 22 is used for supporting the raw material to be processed, when the roller body 22 is worn, the connection between the roller body 22 and the connecting shaft 21 is disconnected, and a new roller body 22 is installed on the connecting shaft 21.

In some embodiments, referring to fig. 2 to 4, the inner wall of the roller body 22 is provided with a plurality of insertion grooves 221 disposed around the connecting shaft 21, the insertion grooves 221 penetrate through the roller body 22 along the axial direction of the roller body 22, and the lower limiting roller 2 further includes a plurality of insertion plates 23. The plurality of inserting plates 23 correspond to the plurality of inserting grooves 221 one by one, one end of each inserting plate 23 is inserted into the corresponding inserting groove 221, and the other end of each inserting plate 23 is fixedly connected with the connecting shaft 21, so that the roller body 22 and the connecting shaft 21 are connected together. When the roller body 22 is removed, the roller body 22 is moved axially along the roller body 22, so that all the insertion plates 23 are withdrawn from the corresponding insertion grooves 221.

In some embodiments, the length of the insertion plate 23 along the axial direction of the roller body 22 is matched with the insertion groove 221, so that the reliability of the connection between the connecting shaft 21 and the roller body 22 can be ensured.

In some embodiments, referring to fig. 1, the cold rolling mill restraint device further comprises a securing member 6 and a release member 7. The fixing member 6 is sleeved on the connecting shaft 21 and attached to one end face of the roller body 22, and the fixing member 6 is fixedly connected with the fixing frame 1. The dismounting part 7 is sleeved on the connecting shaft 21 and attached to the other end face of the roller body 22, and the dismounting part 7 is detachably connected with the fixed frame 1. The connecting shaft 21 can be rotatably connected with the fixed frame 1 through the fixed piece 6 and the detachable piece 7, the fixed piece 6 and the detachable piece 7 can limit the roller body 22 to move along the axial direction of the roller body 22, when the roller body 22 needs to be replaced, the fixed piece 6 is disconnected from the fixed frame 1, the fixed piece 6 is taken down from the connecting shaft 21, and then the old roller body 22 is taken down from one side of the connecting shaft 21 corresponding to the detachable piece 7. In this embodiment, in order to detachably connect the dismounting member 7 and the fixing frame 1, a plurality of threaded holes may be formed in the fixing frame 1, a connecting bolt 9 is threadedly connected to each threaded hole, the connecting bolt 9 is inserted into the dismounting member 7, and the head of the connecting bolt 9 presses the dismounting member 7 toward the threaded holes.

In some embodiments, referring to fig. 1, the fixed frame 1 is a rectangular frame structure and is sleeved outside the upper limit roller 5 and the lower limit roller 2, and the opening direction of the fixed frame 1 is perpendicular to the connecting shaft 21, so that the raw material to be processed can pass through the fixed frame 1. The upper and

lower restraining rollers

5, 2 can be protected to some extent by the fixed frame 1.

In some embodiments, referring to fig. 1, the side wall of the fixed frame 1 corresponding to the side of the dismounting member 7 away from the fixing member 6 is provided with an extraction hole 11, so that the roller body 22 can exit the fixed frame 1 through the extraction hole 11. When the coupling of the dismounting member 7 to the fixed frame 1 is disconnected and the dismounting member 7 is removed from the coupling shaft 21, the roller body 22 can be taken out from the take-out hole 11 and a new roller body 22 can be mounted on the coupling shaft 21 through the take-out hole 11, so that the length of the fixed frame 1 in the axial direction of the roller body 22 is not too large.

In some embodiments, referring to fig. 1, the fixing frame 1 is fixedly provided with two vertically arranged fixing columns 8, the two fixing columns 8 are respectively located at two axial sides of the upper limiting roller 5, and the connecting member 3 is slidably sleeved on the two fixing columns 8, so that the connecting member 3 and the fixing frame 1 are slidably connected in the vertical direction. In this embodiment, the connecting member 3 may be provided with two grooves, and the connecting member 3 may be slidably sleeved on the two fixing posts 8 through the two grooves.

In some embodiments, referring to fig. 1, the number of the lower limiting rollers 2 is at least two, all the lower limiting rollers 2 are arranged at intervals along the conveying direction of the raw material to be processed, and all the lower limiting rollers 2 can support the raw material to be conveyed forwards, so that the raw material is prevented from being bent downwards.

In some embodiments, the telescopic assembly 4 is one of a hydraulic cylinder, an air cylinder or an electronic push rod, which can be selected according to field requirements.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a cold rolling mill stop device which characterized in that includes:

a fixed frame;

the lower limiting roller is horizontally arranged and is rotationally connected with the fixed frame;

the connecting piece is connected with the fixed frame in a sliding mode along the vertical direction;

the telescopic assembly is connected with the fixed frame and is provided with a telescopic end capable of stretching along the vertical direction, and the telescopic end of the telescopic assembly is connected with the connecting piece; and

the upper limiting roller is parallel to the lower limiting roller and is positioned above the lower limiting roller, and the upper limiting roller is rotatably connected with the connecting piece.

2. The cold rolling mill stop device of claim 1, wherein the lower stop roller comprises:

the connecting shaft is arranged along the rotating axis of the lower limiting roller and is rotationally connected with the fixed frame;

the roller body is of a tubular structure, and the roller body is sleeved on the connecting shaft and detachably connected with the connecting shaft.

3. The limiting device of claim 2, wherein the inner wall of the roll body is provided with a plurality of insertion grooves arranged around the connecting shaft, the insertion grooves penetrate through the roll body along the axial direction of the roll body, and the lower limiting roll further comprises:

the plug boards are in one-to-one correspondence with the plug grooves, one ends of the plug boards are plugged in the corresponding plug grooves, and the other ends of the plug boards are fixedly connected with the connecting shafts.

4. A cold-rolling mill spacing device as claimed in claim 3, wherein the length of said insert plate in the axial direction of said roll body matches said insert groove.

5. The cold rolling mill stop device of claim 3, further comprising:

the fixing piece is sleeved on the connecting shaft and attached to one end face of the roller body, and the fixing piece is fixedly connected with the fixing frame;

the dismounting piece is sleeved on the connecting shaft and attached to the other end face of the roller body, and the dismounting piece is detachably connected with the fixed frame.

6. The limiting device of claim 5, wherein the fixing frame is a rectangular frame structure and is sleeved outside the upper limiting roller and the lower limiting roller, and the opening direction of the fixing frame is perpendicular to the connecting shaft.

7. The stop device according to claim 6, wherein the fixing frame is provided with an extraction hole corresponding to a side wall of the dismounting member away from the fixing member, so that the roller body can exit from the fixing frame through the extraction hole.

8. The limiting device of claim 1, wherein the fixing frame is fixedly provided with two vertically arranged fixing columns, the two fixing columns are respectively positioned at two axial sides of the upper limiting roller, and the connecting piece is slidably sleeved on the two fixing columns.

9. The limiting device of claim 1, wherein the number of the lower limiting rollers is at least two, and all the lower limiting rollers are arranged at intervals along the conveying direction of the raw material to be processed.

10. A cold rolling mill stop device according to claim 1, wherein the telescopic assembly is one of a hydraulic cylinder, an air cylinder or an electronic push rod.