CN213378489U

CN213378489U - Strip steel wrapper capable of preventing edges at two ends of strip steel from hollowing

Info

Publication number: CN213378489U
Application number: CN202021505095.XU
Authority: CN
Inventors: 李勇
Original assignee: Wuhan Qianye Engineering & Technology Co ltd
Current assignee: Wuhan Qianye Engineering & Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-06-08
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a prevent belted steel that steel band both ends edge hollowing from helping a roll ware, including horizontal rotatable installation at the roller of holding tightly of last swing arm front side, it can drive to hold tightly the roller and swing from top to bottom to be close to or keep away from with the upper portion of reel to go up the swing arm, still include two sets of bearing blank pressing subassemblies, the assembly of two sets of bearing blank pressing subassembly bilateral symmetry corresponds the position of holding tightly the roller in the both ends outside about last swing arm, bearing blank pressing subassembly lower part has the rotatable blank pressing bearing of multiunit in last swing arm front end below outstanding, multiunit blank pressing bearing front and back interval sets up, and the axial lead is tangent with same circumference, and when the swing arm drives to hold tightly the roller downswing and paste and lean on reel upper portion, all blank pressing bearings all are close to the front side upper portion of reel, and form the clearance that supplies steel band both ends edge laminating process between a set. The advantages are that: the clamping roller can be assisted to tightly press the edges of the two ends of the strip steel, the smooth secondary biting of the strip steel head is ensured, and the hollowing phenomenon of the two ends of the strip steel is improved.

Description

Strip steel wrapper capable of preventing edges at two ends of strip steel from hollowing

Technical Field

The utility model belongs to the field of steel rolling equipment, in particular to a belted steel helps a roll ware that prevents steel band both ends edge hollowing.

Background

In recent years, in order to improve production efficiency and shorten the auxiliary operation time, the recoiling machines of the thin strip cold rolling mill train and the finishing mill train generally wind the strip around the reel by a belt wrapper without using jaw nipping. Therefore, the belt wrapper has become one of the important equipments of the cold-rolled steel strip production line. The first coil is tight, the later coiling is smooth, otherwise, the strip material can generate a slip phenomenon in the wrapper. In a finishing unit such as leveling and the like, because the annealing of the strip steel is finished, when a thin wide band is coiled, two edge parts of the strip steel are not wrapped by a belt, so that gaps are formed, and after secondary biting, the edge parts can generate a hollowing phenomenon in subsequent coiling, so that the surface quality of the strip steel is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a belted steel helps a roll ware that prevents steel band both ends edge hollowing, the effectual defect of overcoming prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a strip steel wrapper for preventing the edges at two ends of a steel strip from hollowing, which comprises a holding roller which is transversely and rotatably arranged at the front side of an upper swing arm, the upper swing arm can drive the holding roller to swing up and down to be close to or far away from the upper part of the winding drum, and the winding drum further comprises two groups of bearing blank pressing assemblies which are bilaterally and symmetrically assembled at the positions, corresponding to the holding roller, outside the left end and the right end of the upper swing arm, the lower part of the bearing blank pressing component is provided with a plurality of groups of rotatable blank pressing bearings which protrude out of the lower part of the front end of the upper swing arm, the plurality of groups of the rotatable blank pressing bearings are arranged at intervals in the front and the back, and the axial lead is tangent with the same circumference, and when the upper swing arm drives the holding roller to swing downwards to be attached to the upper part of the winding drum, all the blank holder bearings are close to the upper part of the front side of the winding drum, and a gap for the edges at the two ends of the steel strip to fit and pass is formed between the blank holder bearing at least at the foremost end and the winding drum.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, above-mentioned bearing blank holder subassembly includes the fixed plate, the mounting bracket, a plurality of round pin axles and the above-mentioned blank holder bearing of multiunit, vertical setting around the above-mentioned fixed plate, and the laminating is fixed in the corresponding end outside of above-mentioned upper swing arm front side, above-mentioned mounting bracket assembles in the one end that above-mentioned fixed plate deviates from above-mentioned upper swing arm, and its lower extreme salient in the lower extreme of above-mentioned fixed plate, a plurality of above-mentioned round pin axles transversely run through respectively and fix the position in the lower part of above-mentioned mounting bracket corresponding above-mentioned upper swing arm front side below, every above-mentioned round pin epa.

Furthermore, each group of the blank pressing bearings is provided with a plurality of blank pressing bearings, and at least one of the pin shafts is arranged at a position, corresponding to the lower part of the fixed plate, of one end, close to the clasping roller.

Furthermore, the rear side of the mounting frame is movably connected with the corresponding fixed plate through a positioning bolt which penetrates through the mounting frame from left to right, a movable bolt which penetrates through the mounting frame from left to right is arranged on the front side of the mounting frame, a waist round hole is arranged on the front side of the fixed plate along the vertical direction, the corresponding end of the movable bolt penetrates through the waist round hole, can move up and down in the waist round hole around the axial lead of the positioning bolt, and can be screwed on the movable bolt through threads and locked and fixed by two nuts which are positioned at two ends of the waist round hole.

The utility model has the advantages that: the clamping roller can be assisted to clamp the edge parts of the two ends of the strip steel tightly, the smooth secondary biting of the strip steel head is ensured, and the phenomenon of hollowing of the edges of the two ends of the strip steel is improved.

Drawings

FIG. 1 is a schematic structural view of the strip steel wrapper for preventing the edges at the two ends of the steel strip from hollowing;

FIG. 2 is a schematic structural view of a bearing blank holder assembly in the strip steel wrapper for preventing the edges at the two ends of the steel strip from hollowing;

fig. 3 is a schematic structural view of the strip steel wrapper and the reel of the present invention for preventing the edges at the two ends of the steel strip from hollowing.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises an upper swing arm, 2, a holding roller, 4, a winding drum, 5, a fixed roller, 6, a tensioning roller group, 7, a wrapper belt 7, 11, a waist circular hole, 31, a fixed plate, 32, a mounting frame, 33, a pin shaft, 34, a bearing, 321, a positioning bolt, 322 and a movable bolt.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1, 2 and 3, the strip steel wrapper for preventing the edge hollowing at two ends of the steel strip of the embodiment comprises a holding roller 2 transversely and rotatably mounted at the front side of an upper swing arm 1, the upper swing arm 1 can drive the holding roller 2 to swing up and down to be close to or far from the upper part of a winding drum 4, and two sets of bearing blank pressing assemblies, the two sets of bearing blank pressing assemblies are bilaterally and symmetrically assembled at the outer sides of the left and right ends of the upper swing arm 1 corresponding to the positions of the holding roller 2, the lower part of the bearing blank pressing assembly is provided with a plurality of sets of rotatable blank pressing bearings 34 protruding below the front end of the upper swing arm 1, the plurality of sets of blank pressing bearings 34 are arranged at intervals, the axial lead is tangent to the same circumference, and when the upper swing arm 1 drives the holding roller 2 to swing down to be close to the upper part of the winding drum, all the blank pressing bearings 34 are close to, and at least a group of the edge pressing bearings 34 at the most front end forms a gap for the edges at two ends of the steel strip to be attached and pass through with the winding drum 4.

As shown in fig. 3, before the steel strip curls, the upper swing arm 1 drives the lower swing of the clasping roller 2 to be close to the upper part of the winding drum 4, the winding assistor comprises the clasping roller 2, a plurality of fixed rollers 5 and a tensioning roller group 6, wherein one fixed roller 5 is positioned at the position, close to the front lower part of the winding drum 4, of the front side of the winding drum 4, the clasping roller 2, the plurality of fixed rollers 5 and the tensioning roller group 6 jointly encircle the winding assistor belt 7, the belt winding assistor belt 7 is attached to and encircles the rear half part and the lower half part of the clasping roller 2, the steel strip enters from between the clasping roller 2 and the winding drum 4, is wrapped on the surface of the winding drum 4 under the extrusion of the winding assistor belt 7, after being wound for several circles, the steel strip is tightly wound on the winding drum 4, the winding assistor stops winding, the winding assistor belt 7 leaves the clasping roller 2, the steel strip can be normally wound (the components of the, it is not described herein any more), it is to be noted that the width of the belt 7 of the wrapper of the conventional wrapper is smaller than the width of the holding roller 2, and smaller than the width of the coiled strip steel, therefore, the two ends of the strip steel often have a hollowing phenomenon in the earlier stage of coiling, resulting in the quality of the coiled strip steel, in the earlier stage of coiling, the upper swing arm 1 drives the holding roller 2 to move in place, the two ends of the strip steel are clamped by the group of blank bearings 34 located at the front end and the reel 4 together, so that the two ends of the strip steel can enter the occlusion port between the holding roller 2 and the reel 4 smoothly, and then the two ends of the strip steel are guided in the gaps between the rear groups of blank bearings 34 and the reel 4 in a limiting manner, thereby ensuring that the strip steel can well enter the space between the belt 7 of the wrapper and the reel 4 to be coiled.

As a preferred embodiment, the bearing hold-down assembly includes a fixing plate 31, a mounting frame 32, a plurality of pins 33 and a plurality of sets of the hold-down bearings 34, the fixing plate 31 is vertically disposed in front and back, and is attached and fixed to the outer side of the front side of the upper swing arm 1, the mounting frame 32 is assembled at one end of the fixing plate 31 away from the upper swing arm 1, and the lower end of the fixing plate is protruded out of the lower end of the fixing plate 31, the plurality of pins 33 are respectively and transversely fixed to the lower portion of the mounting frame 32 corresponding to the position below the front side of the upper swing arm 1, and each pin 33 is assembled with a set of the hold-down bearings 34 along the axial direction thereof.

In the embodiment, the multiple groups of edge pressing bearings 34 are reasonably distributed and are matched with the outline of the winding drum 4, edge pressing and leading-in can be effectively carried out on two ends of the strip steel in the early stage of coiling, the hollowing phenomenon of the two ends of the strip steel in the coiling process is improved, and the coiling quality of the strip steel is improved.

In a preferred embodiment, there are a plurality of blank bearings 34 in each set, and at least one pin 33 is disposed at a position below the fixing plate 31, where one end of the pin is close to the pinch roller 2.

In the embodiment, the blank holder bearings 34 are reasonably arranged, so that the edge position of the strip steel below the fixing plate 31 can be well pressed on the winding drum 4 through the corresponding blank holder bearings 34, and the strip steel can well enter and curl.

In a preferred embodiment, the rear side of the mounting bracket 32 is movably connected to the corresponding fixing plate 31 by a positioning bolt 321 penetrating through the rear side thereof in the left-right direction, a movable bolt 322 penetrating through the front side thereof in the left-right direction is provided on the front side of the fixing plate 31 in the up-down direction, a waist-shaped hole 11 is provided on the front side of the fixing plate 31, and the corresponding end of the movable bolt 12 passes through the waist-shaped hole 11, is vertically movable in the waist-shaped hole 11 around the axial line of the positioning bolt 321, and is fastened and fixed by two nuts screwed to the movable bolt 322 and positioned at both ends of the waist-shaped hole 11.

In this embodiment, the movable bolt 321 is matched with the oval hole 11, so that the front part of the mounting frame 32 can be finely adjusted and swung up and down, that is, the gap between the multiple groups of blank holder bearings 34 and the winding drum 4 can be finely adjusted, and the edges at the two ends of the strip steel can be well pressed and guided.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a prevent belted steel of steel band both ends edge hollowing from helping a roll ware, includes horizontal rotatable installation at last swing arm (1) front side embrace roller (2), it can drive to go up swing arm (1) embrace roller (2) and swing from top to bottom to be close to or keep away from its characterized in that with the upper portion of reel (4): still include two sets of bearing blank pressing subassemblies, two sets of bearing blank pressing subassembly bilateral symmetry's assembly in go up swing arm (1) and control the both ends outside and correspond embrace the position of tight roller (2), bearing blank pressing subassembly lower part has outstanding in go up rotatable blank pressing bearing (34) of multiunit of swing arm (1) front end below, multiunit blank pressing bearing (34) front and back interval sets up, and the axial lead is tangent with same circumference, and works as go up swing arm (1) drive embrace tight roller (2) downswing and paste when leaning on reel upper portion, all blank pressing bearing (34) all are close to the front side upper portion of reel (4), and at least foremost a set of form the clearance that supplies steel band both ends edge laminating process between blank pressing bearing (34) and reel (4).

2. The strip steel wrapper for preventing the edge hollowing of the two ends of the strip steel according to claim 1, wherein: bearing blank holder subassembly includes fixed plate (31), mounting bracket (32), a plurality of round pin axle (33) and multiunit blank holder bearing (34), vertical setting around fixed plate (31) to the laminating is fixed in go up the corresponding end outside of swing arm (1) front side, mounting bracket (32) assemble in fixed plate (31) deviates from go up the one end of swing arm (1), and its lower extreme salient in the lower extreme of fixed plate (31), it is a plurality of round pin axle (33) transversely runs through respectively to be fixed the lower part of mounting bracket (32) corresponds go up the position of swing arm (1) front side below, every all be equipped with a set of along its axial on round pin axle (33) blank holder bearing (34).

3. The strip steel wrapper for preventing the edge hollowing of the two ends of the strip steel as claimed in claim 2, wherein: each group of side pressing bearings (34) are provided with a plurality of side pressing bearings, and at least one pin shaft (33) is arranged at a position, corresponding to the lower portion of the fixing plate (31), of one end, close to the clasping roller (2).

4. The strip steel wrapper according to claim 2 or 3, wherein the strip steel wrapper prevents the edges of the two ends of the strip steel from being hollowed, and is characterized in that: the rear side of mounting bracket (32) through control run through its positioning bolt and correspond fixed plate (31) swing joint, its front side is equipped with about runs through its movable bolt, fixed plate (31) front side is equipped with waist round hole along upper and lower position, this waist round hole is passed to movable bolt's the end that corresponds, and can wind positioning bolt's axial lead is in reciprocate in the waist round hole to accessible screw thread fits on the movable bolt and is located two nut locks at waist round hole both ends are fixed.