CN215260832U

CN215260832U - Squeezing roller for eliminating surface impression of strip steel

Info

Publication number: CN215260832U
Application number: CN202121244595.7U
Authority: CN
Inventors: 俞炜; 黄久贵; 郭宏
Original assignee: Jiangsu Shagang Group Co Ltd; Zhangjiagang Yangzijiang Cold Rolled Sheet Co Ltd
Current assignee: Jiangsu Shagang Group Co Ltd; Zhangjiagang Yangzijiang Cold Rolled Sheet Co Ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-21
Anticipated expiration: 2031-06-04

Abstract

The utility model provides a wringing roller for eliminating belted steel surface impression, includes the wringing roller set, the wringing roller set includes wringing roller and lower wringing roller, goes up the wringing roller and has the extrusion clearance that belted steel passed between the wringing roller down, goes up the wringing roller and the wringing roller structure is the same down, including roller core and the rubber coating layer of wrapping up in the outer circumference outside of roller core, and the rubber coating layer is stretched out at roller core both ends, the rubber coating layer includes integrated into one piece's left side section, interlude and right side section, and the interlude is the ring shape, and the external diameter is D, and the internal diameter is D', and length is H, and left side section and right side section are round platform form, and the axial symmetry locates the interlude both sides, and the one end diameter D that the interlude was kept away from to left side section and right side section is less than the one end external diameter D of being connected with the interlude, and the length of round platform is H for H, and the length ratio of H is 1:8, and the difference of D and D is not more than 1 mm. The wringing roller can eliminate the surface imprint residue of the strip steel formed by the damage of the roller surface due to the overlarge extrusion of the edge part.

Description

Squeezing roller for eliminating surface impression of strip steel

Technical Field

The utility model belongs to the technical field of metallurgical rolling equipment, concretely relates to wringing roller for eliminating belted steel surface impression.

Background

The solution used by the electrotinning unit is an acidic solution and an alkaline solution. In the tin plating line, besides the sink roll, the wringing roll is a rubber roll which is most contacted with corrosive liquid, and the wringing roll is responsible for expelling the corrosive liquid on the surface of the tin plating plate, so that the tin plating line is required to have better flexibility and elasticity, and must have excellent corrosion resistance. The rubber material (the material of the sea dragon) which is used conventionally has the characteristics of acid resistance and alkaline environment, so the rubber material is better in universality. But because its material is soft partially, cause the roll surface glue film wearing and tearing speed very fast, the drawback is comparatively obvious in the production line that uses the wringing roller in a large number, and is great to the promotion influence of quality. And the roll cores extending out of the two sides of the drying roll are connected with the bearing seats, and the extrusion roll applies pressure by pressing the bearing seats at the two sides downwards from the top by the air cylinder, so that the two sides of the roll system are stressed greatly, the two sides of the rubber coating layer of the drying roll are easy to deform, the edge part of the extrusion roll is in over-tight contact with the strip steel in the extrusion process during working, the roll surface is easy to scratch, and meanwhile, marks are brought to the surface of the strip steel.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: to the technical problem, the utility model provides a wiping roller for eliminating belted steel surface impression can eliminate because limit portion extrudees too big, thereby the belted steel surface impression that the roll surface damage formed remains.

The technical scheme is as follows: a wringing roller for eliminating marks on the surface of strip steel comprises a wringing roller set, wherein the wringing roller set comprises an upper wringing roller and a lower wringing roller, an extrusion gap through which strip steel passes is formed between the upper wringing roller and the lower wringing roller, the upper wringing roller and the lower wringing roller are identical in structure and comprise a roller core and an encapsulating layer wrapping the outer circumference of the roller core, two ends of the roller core extend out of the encapsulating layer, the encapsulating layer comprises a left side section, a middle section and a right side section which are integrally formed, the middle section is circular, the outer diameter is D and mm, the inner diameter is the diameter of the roller core and is D', mm, the length is H and mm, the left side section and the right side section are in a circular truncated cone shape, the shaft is symmetrically arranged on two sides of the middle section, the left side section and the right side section are far away from the diameter D of one end of the middle section, the mm is smaller than the outer diameter D of one end connected with the middle section, the length of the circular truncated cone is H, the length of the mm, the length ratio of the H to the length of the H is 1:8, and the difference of the D and the D is not more than 1 mm, the ratio of the width L and mm of the strip steel to the total length (2 x H + H) of the rubber coating is (7-12.5): 15.

Preferably, the rubber coating layer is a synthetic rubber coating layer.

Preferably, the inner diameter D' of the rubber coating is 250mm, the outer diameter D is 265 mm, and D is 264 mm.

Preferably, the thickness of the strip steel is 0.17-0.5 mm, and the width L of the strip steel is 700-1250 mm.

Preferably, the length H of the middle section is 1200 mm.

Has the advantages that: the utility model provides a wringing roller for eliminating belted steel surface impression, upper/lower wringing roller in the wringing roller set includes integrated into one piece's left side section, interlude and right section, and left side section and right section are the round platform form, and the interlude both sides are located to axial symmetry, and the one end diameter D that the interlude was kept away from to left side section and right section is less than the one end external diameter D who is connected with the interlude, and such design can play the cushioning effect, alleviates the too big influence that causes of both sides pressure.

The surface material of the drying roller adopts synthetic rubber to replace the rubber material of the Haipara rubber, thereby improving the abrasion resistance of the contact layer on the surface of the roller system and the wide applicability of the contact medium, and achieving the method for eliminating the surface impression of the steel plate.

Because the gradient height ((D-D)/2) is only 0.5mm and simultaneously spans 150mm (the length h of the left section and the right section), the step at the folded angle is slight, chamfering is not needed, and the step cannot be seen by naked eyes, so that the roller surface damage can be reduced, and the crease cannot be generated.

If the gradient height is less than 0.5mm, the purpose of reducing the damage of the roller surface cannot be achieved; if the gradient height is too high, the edge part can not play a role in extruding the strip steel, and liquid leakage is easy to occur.

Drawings

FIG. 1 is a schematic structural diagram of a wringing roller for removing marks on the surface of a strip steel according to the present invention;

fig. 2 is an enlarged view of a-a in fig. 1.

The numerical designations in the drawings represent the following: 1. an upper wringing roller; 2. strip steel; 3. a lower wringing roller; 4. a roll core; 5. and (6) an encapsulating layer.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

A wringing roller for eliminating marks on the surface of a strip steel is disclosed, and comprises a wringing roller set, wherein the wringing roller set comprises an upper wringing roller 1 and a lower wringing roller 3, an extrusion gap through which the strip steel 2 passes is arranged between the upper wringing roller 1 and the lower wringing roller 3, the upper wringing roller 1 and the lower wringing roller 3 are identical in structure and comprise a roller core 4 and a rubber coating layer 5 coated outside the outer circumference of the roller core, two ends of the roller core 4 extend out of the rubber coating layer 5, the rubber coating layer 5 comprises a left section, a middle section and a right section which are integrally formed, the middle section is circular, the outer diameter is D, mm, the inner diameter is D', mm, the length is H, mm, the left section and the right section are circular truncated cones and are axially symmetrically arranged on two sides of the middle section, the diameter D of one end of the left section and the right section, which are far away from the middle section, is smaller than the outer diameter D of one end connected with the middle section, the length of the circular truncated cones is H, the length ratio of the H to the H is 1:8, the difference value of D and D is not more than 1 mm, the width L of the strip steel 2, and the ratio of mm to the total length of the rubber coating layer 5 is (7-12.5): 15.

Example 2

The difference from example 1 is that the encapsulating layer 5 is a synthetic rubber encapsulating layer. The synthetic rubber comprises the following specific components:

proportioning of materials (mass fraction)

Natural rubber	Nitrile butadiene rubber	Epoxy resin	Silicon	Titanium dioxide, mica powder and carbon black
					40%-45%	8%-10%	4%-8%	10%-15%	15%-20%

Compared with the existing rubber made of the sea dragon material, the synthetic rubber has the advantages of acid resistance, alkali resistance, heat resistance (65-85 ℃), and excellent high abrasion resistance. Although the rubber made of the sea dragon material is acid-resistant and suitable for an alkaline environment, the rubber is soft, so that the abrasion speed of a roller surface rubber layer is high, the defect is obvious in a production line using a large number of squeezing rollers, and the quality is greatly influenced. After the rubber coating layer of the synthetic rubber is replaced, the resistance of the sea dragon material to acid and alkali media is met, and the wear resistance and the heat resistance of the surface material are improved.

The internal diameter D' of rubber coating 5 is 250mm, and external diameter D is 265 mm, and D is 264 mm. The thickness of the strip steel 2 is 0.17-0.5 mm, and the width of the strip steel is 700-1250 mm. The length H of the middle section is 1200 mm.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved, and other structures can refer to common designs, in addition, the drawings are only schematic diagrams, the specific size is not reduced according to the real object equal proportion, the specific size and the related proportion are already described by specific data, the technicians in the field can not generate misunderstanding, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wringing roller for eliminating belted steel surface impression, includes wringing roller set, wringing roller set includes wringing roller (1) and lower wringing roller (3), has the extrusion clearance that belted steel (2) passed between upper wringing roller (1) and lower wringing roller (3), and its characterized in that, upper wringing roller (1) is the same with lower wringing roller (3) structure, including roller core (4) and rubber coating layer (5) of wrapping up in the outer circumference outside of roller core, rubber coating layer (5) is stretched out at roller core (4) both ends, rubber coating layer (5) include integrated into one piece's left side section, interlude and right side section, the interlude is the ring shape, the external diameter is D, mm, the internal diameter is D', mm, length is H, mm, left side section and right side section are round platform form, the axial symmetry is located the interlude both sides, the one end diameter D of interlude is kept away from to left side section and right side section, mm is less than the one end external diameter D of being connected with the interlude, the length of the circular truncated cone is H and mm, the length ratio of H to H is 1:8, the difference value of D and D is not more than 1 mm, the width L of the strip steel (2), and the ratio of mm to the total length of the rubber coating layer is (7-12.5): 15.

2. The wringing roller for removing marks from the surface of a strip steel according to claim 1, wherein the encapsulating layer (5) is an elastomer encapsulating layer.

3. The wringing roller for removing marks from the surface of a steel strip according to claim 1, wherein the inner diameter D' of the encapsulating layer (5) is 250mm, the outer diameter D is 265 mm, and D is 264 mm.

4. The wringing roller for removing marks on the surface of a steel strip according to claim 1, wherein the steel strip (2) has a thickness of 0.17 to 0.5mm and a width L of 700 to 1250 mm.

5. The wringing roller of claim 1, wherein the intermediate section has a length H of 1200 mm.