CN203487259U

CN203487259U - Novel conductive roller with good cooling structure

Info

Publication number: CN203487259U
Application number: CN201320620707.3U
Authority: CN
Inventors: 曹卫文; 赵涛
Original assignee: Suzhou Baolian Heavy Industry Co Ltd
Current assignee: Suzhou Baolian Heavy Industry Co Ltd
Priority date: 2013-10-09
Filing date: 2013-10-09
Publication date: 2014-03-19
Anticipated expiration: 2023-10-09

Abstract

The utility model discloses a novel conductive roller with a good cooling structure. The conductive roller comprises a roller cylinder, a first roller shaft, a second roller shaft and an inner cylinder, wherein the first roller shaft and the second roller shaft stretch into the roller cylinder in the axis direction of the roller cylinder; the inner cylinder is arranged inside the roller cylinder and allows the roller shafts to stretch in; outer chambers in which cooling water flows are formed between the roller cylinder and the inner cylinder at intervals. The conductive roller has a good cooling effect, the surface treatment process requirements of the roller cylinder are reduced, and the copper plating amount of the conductive surface can be reduced or even canceled, so that the production cost of the conductive roller is lowered.

Description

The novel conductive roller with good cooling structure

Technical field

The utility model relates to metallurgical industry field, especially a kind of novel conductive roller with good cooling structure.

Background technology

Conductive rollers in rolled sheet metal chemical treatment, electrolysis, plating, reflow process, is mainly used to delivered current and guides thin plate to pass through in metallurgical industry.The electric current passing through according to processing requirement conductive rollers is conventionally at 5000-25000A, more than the electric current that especially single conductive rollers is passed through in rolled sheet metal electrodeposited chromium technique can reach 20000A.When the electric current passing through is larger, conductive rollers surface temperature will be higher, because conductive rollers roll surface temperature can not surpass manufacturing technique requirent, so need to reduce roll surface temperature by cooling or change roll surface material, roll surface treatment process or two kinds of modes that combine.The type of cooling of existing conductive rollers as shown in Figures 1 and 2, is mainly that water coolant is flowed at the whole cavity internal recycle of conductive rollers, causes the water cycle amount contacting with conductive roller inwall greatly to reduce.Because the heat that water coolant is taken away is limited, cause the roll surface of conductive rollers easily hot, the too high meeting of roll surface temperature does not reach manufacturing technique requirent.When large electric current during by conductive rollers in order to reduce the surface temperature of conductive rollers, thereby way is in the past mainly to reduce the resistance of conductive rollers, to reduce the heat that conductive rollers produces in the roll surface copper facing of conductive rollers, but in the situation that old conductive rollers cooling structure, the roll surface temperature of conductive rollers still can not drop to perfect condition effectively, and owing to need to, in the roll surface copper facing of conductive rollers, also having increased the cost of manufacture of conductive rollers.

Utility model content

The utility model object is to provide a kind of novel conductive roller with good cooling structure.

For achieving the above object, the technical solution adopted in the utility model is: a kind of novel conductive roller with good cooling structure, it comprises: roller, the inner core that extend into first and second roll shaft in roller and be arranged in roller and allow roll shaft to stretch into the axis direction of roller, wherein between roller and inner core, interval is formed for the exocoel of flow of cooling water.

On the basis of technique scheme, further comprise following attached technical scheme:

It further comprises the water inlet pipe being arranged in the first roll shaft, the swivel joint that is arranged on the rising pipe in the second roll shaft, the feed-water end being connected with water inlet pipe, the water side being connected with rising pipe and is arranged on first and second roll shaft two ends, wherein first and second roll shaft is on same axis and be oppositely arranged, inner core and roller coaxially arrange, and have inner chamber.

Described the first roll shaft is provided with several posticums that are all communicated with water inlet pipe and exocoel, and the second roll shaft is provided with several prosopyles that are all communicated with rising pipe and inner chamber, and wherein exocoel and inner chamber are interconnected.

Described the first roll shaft is provided with several posticums that are all communicated with water inlet pipe and exocoel, and the second roll shaft is provided with several prosopyles that are all communicated with rising pipe and exocoel, and wherein exocoel and inner chamber are mutually isolated.

In described roller, be provided with for supporting respectively at least two dividing plates of first and second roll shaft, and dividing plate is provided with the through hole that allows the water coolant in exocoel to circulate around inner core.

Utilization due to technique scheme, the utlity model has following advantages:

In identical discharge, increased the water cycle amount contacting with conductive rollers inwall by conductive rollers in the situation that, thereby the heat that recirculated water is taken away from conductive rollers is increased, greatly reduce the surface temperature of conductive rollers, obtain thus good cooling performance, reduced the process of surface treatment requirement of roller, can reduce the copper facing amount of even cancelling conductive surface, reduce the production cost of conductive rollers.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further described:

Fig. 1 is the cross-sectional schematic of the first embodiment of prior art.

Fig. 2 is the cross-sectional schematic of the second embodiment of prior art.

Fig. 3 is the cross-sectional schematic of the first embodiment in the utility model.

Fig. 4 is the cross-sectional schematic of the second embodiment in the utility model.

Embodiment

Embodiment: shown in figure 3, a kind of first embodiment with the novel conductive roller of good cooling structure that it provides for the utility model, it comprises roller 10, axis direction with roller 10 extend into first in roller 10, two

roll shafts

20, 21, be arranged in roller 10 and the inner core 30 that allows roll shaft 20 to stretch into, be arranged on the water inlet pipe 40 in the first roll shaft 20, be arranged on the rising pipe 42 in the second roll shaft 21, the feed-water end 50 being connected with water inlet pipe 40, the water side 52 being connected with rising pipe 42, and be arranged on first, two roll shafts 20, the swivel joint 60 at 21 two ends.Wherein first and

second roll shaft

20,21 is on same axis and be oppositely arranged, and inner core 30 has inner chamber 300, and coaxially arranges with roller 10.

Between roller 10 and inner core 30, interval forms exocoel 100, and be provided with for supporting respectively at least two dividing plates 12 of first and

second roll shaft

20,21, and dividing plate 12 is provided with the through hole 120 that allows the water coolant in exocoel 100 to circulate around inner core, and dividing plate 12 is extended radially outwardly to the inwall of roller 10 by the axle center of inner core 30.Wherein inner core 30 is provided with opening or hole, to guarantee that inner chamber 300 and exocoel 100 are interconnected.

First and

second roll shaft

20,21 has first and

second spindle nose

22,23 being supported by dividing plate 12, and the first roll shaft 20 is provided with several posticum 24, the second roll shafts 21 that are all communicated with water inlet pipe 40 and exocoel 100 and is provided with several prosopyles 25 that are all communicated with rising pipe 42 and inner chamber 300.Thus water coolant interlayer and the interior mobile replacement of inner chamber 300 in the past water coolant in whole conductive rollers cavity, flow, in identical discharge, increased like this water cycle amount contacting with conductive rollers inwall by conductive rollers in the situation that, thereby the heat that recirculated water is taken away from conductive rollers is increased, well reduced the surface temperature of conductive rollers.

Shown in figure 4, a kind of second embodiment with the novel conductive roller of good cooling structure that it provides for the utility model, it is substantially identical with the structure of the first embodiment, therefore only difference is described, in the present embodiment, inner chamber 300 and exocoel 100 are mutually isolated, the prosopyle 27 that the second roll shaft 21 arranges is only interconnected with exocoel 100, and be not interconnected with inner chamber 300, water coolant is only in folder intrastratal flowage thus, in identical discharge, greatly increased like this water cycle amount contacting with conductive rollers inwall by conductive rollers in the situation that, thereby the heat that recirculated water is taken away from conductive rollers is increased greatly, well reduced the surface temperature of conductive rollers.

Certainly above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the spirit of the utility model main technical schemes or modification, within all should being encompassed in protection domain of the present utility model.

Claims

1. a novel conductive roller with good cooling structure, it is characterized in that it comprises: roller (10), with the axis direction of roller (10), extend into first and second roll shaft (20,21) in roller (10) and be arranged in roller (10) and the inner core (30) that allows roll shaft (20) to stretch into, wherein between roller (10) and inner core (30), interval is formed for the exocoel (100) of flow of cooling water.

2. novel conductive roller according to claim 1, it is characterized in that: it further comprises the water inlet pipe (40) being arranged in the first roll shaft (20), be arranged on the rising pipe (42) in the second roll shaft (21), the feed-water end (50) being connected with water inlet pipe (40), the water side (52) being connected with rising pipe (42), and be arranged on first, two roll shafts (20, 21) swivel joint at two ends (60), wherein first, two roll shafts (20, 21) on same axis and be oppositely arranged, inner core (30) coaxially arranges with roller (10), and there is inner chamber (300).

3. novel conductive roller according to claim 2, it is characterized in that: described the first roll shaft (20) is provided with several posticums (24) that are all communicated with water inlet pipe (40) and exocoel (100), the second roll shaft (21) is provided with several prosopyles (25) that are all communicated with rising pipe (42) and inner chamber (300), and wherein exocoel (100) is interconnected with inner chamber (300).

4. novel conductive roller according to claim 2, it is characterized in that: described the first roll shaft (20) is provided with several posticums (24) that are all communicated with water inlet pipe (40) and exocoel (100), the second roll shaft (21) is provided with several prosopyles (27) that are all communicated with rising pipe (42) and exocoel (100), and wherein exocoel (100) is mutually isolated with inner chamber (300).

5. according to the novel conductive roller described in claim 1 or 2 or 3 or 4, it is characterized in that: in described roller (10), be provided with for supporting respectively at least two dividing plates (12) of first and second roll shaft (20,21), and dividing plate (12) is provided with the through hole (120) that allows the water coolant in exocoel (100) to circulate around inner core (30).