CN201394786Y - Alloy sheath used for steel plate conveying roller of shot blasting machine - Google Patents
Alloy sheath used for steel plate conveying roller of shot blasting machine Download PDFInfo
- Publication number
- CN201394786Y CN201394786Y CN2009200691767U CN200920069176U CN201394786Y CN 201394786 Y CN201394786 Y CN 201394786Y CN 2009200691767 U CN2009200691767 U CN 2009200691767U CN 200920069176 U CN200920069176 U CN 200920069176U CN 201394786 Y CN201394786 Y CN 201394786Y
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- China
- Prior art keywords
- steel plate
- blasting machine
- shot
- alloy
- rollgang
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses an alloy sheath used for a steel plate conveying roller of a shot blasting machine. The alloy sheath comprises an alloy pipe wall, the outer wall of the alloy pipe wall isprovided with a plurality of annular convex surfaces, and the cross section of the convex surface is arc-shaped. Through the alloy sheath used for the steel plate conveying roller of the shot blastingmachine, the phenomenon that the shot of the shot blasting machine is pressed into the steel plate is dramatically reduced, the surface indentation of the steel plate is reduced, and the surface quality of the steel plate is improved.
Description
Technical field
The utility model relates to the auxiliary equipment that a kind of surface of steel plate is handled, particularly a kind of alloy cover that is used for the steel plate rollgang of shot-blasting machine.
Background technology
Shot-blasting machine is used for the shotblasting of steel plate to be handled, the main purpose of ball blast is to remove the iron scale of surface of steel plate, make steel plate when entering heat-treatment furnace, influence the surface quality of steel plate after the heat treatment as few as possible, plate surface quality behind the ball blast is extremely important, road, the bad not only influence back of surface smoothness heat treatment step, the surface is pressed into defective and finally also can has a direct impact user's use.
Shot-blasting machine is thrown the structure of indoor rollgang, is several equidirectional rotations of straight roller-way, and the steel plate that will carry out Shot Blasting moves to the other end from an end of throwing the chamber.In this course, the ramming head that is positioned at the steel plate upper and lower surfaces is removed pill high speed impact steel plate with the dirt of surface of steel plate.Because rollgang is positioned at the below of steel plate, when the ball material of dishing out of ramming head springs between steel plate and the roller-way instantly, just may produces pill such as pit at surface of steel plate and be pressed into defective.In addition, the ball material is because of washing away the generation electrostatic adsorption, and the ball material is adsorbed on the steel plate, and along with the advancing of steel plate, enters between roller-way and the steel plate, and then produces the ball material and be pressed into defective.Because the shot diameter only is about 1mm, it is very big to contact stress between shot material and steel plate, causes surface of steel plate to be squeezed out pit.
The utility model content
For addressing the above problem, the utility model provides a kind of alloy cover that is used for the steel plate rollgang of shot-blasting machine, is sleeved on the steel plate rollgang of shot-blasting machine, and avoid the ball material to rest between steel plate and the rollgang and be extruded, thus the surface quality of protection steel plate.
For achieving the above object, the alloy cover that is used for the steel plate rollgang of shot-blasting machine of the present utility model comprises the alloy tube wall, and the nonreentrant surface of a plurality of annulars is arranged on the outer wall of described alloy tube wall, and the shape of cross section of described nonreentrant surface is a circular arc.
The inwall of one end of described alloy tube wall is provided with first composition surface, and the outer wall of the other end is provided with second faying face, and the outside dimension of the internal diameter on described first composition surface and described second faying face is complementary.
The material of described alloy tube wall is Cr18.
By the alloy cover that is used for the steel plate rollgang of shot-blasting machine of the present utility model, the ball material that has significantly reduced shot-blasting machine is pressed into the phenomenon of steel plate, has reduced the surface indentation of steel plate, has improved the surface quality of steel plate.
Description of drawings
The structural representation that Fig. 1 overlaps for the alloy that is used for the steel plate rollgang of shot-blasting machine of the present utility model;
The schematic diagram that Fig. 2 is extruded for the ball material.
The specific embodiment
The structural representation that Fig. 1 overlaps for the alloy that is used for the steel plate rollgang of shot-blasting machine of the present utility model, as shown in the figure, the alloy cover that is used for the steel plate rollgang of shot-blasting machine of the present utility model, comprise alloy tube wall 10, the nonreentrant surface 11 that a plurality of annulars are arranged on the outer wall of described alloy tube wall 10, the shape of cross section of described nonreentrant surface 11 are circular arc.
The alloy cover that is used for the steel plate rollgang of shot-blasting machine of the present utility model is installed in the effect that can play the protection roller-way on the steel plate rollgang.The utility model changes the flat surface of the steel plate rollgang of prior art into corrugated surface, the steel plate rollgang that is prior art on the one hand is that line contacts with steel plate, and steel plate rollgang of the present utility model is that a plurality of points contact with steel plate, reduce the contact area of roller-way and surface of steel plate, can reduce pill greatly and enter probability between roller-way and steel plate contact-making surface; On the other hand, the shape of cross section of described nonreentrant surface 11 is a circular arc, enter when pill 30 between the alloy cover and steel plate 20 of the steel plate rollgang that is used for shot-blasting machine of the present utility model, when promptly being pushed with steel plate 20 by described annular raised surface 11, the schematic diagram that ball material as shown in Figure 2 is extruded has increased the probability that pill 30 is extruded greatly.The pill 30 that is extruded can temporarily be pressed against in recessed surperficial 12 between described each nonreentrant surface 11.Recessed surperficial 12 shape need not be processed especially.
The difference in height of the peak of described nonreentrant surface 11 and described recessed surperficial 12 minimum point is to be preferably more than 2 times or 2 times of diameter that actual institute uses ball material 30.The arc profile curvature of a curve radius of the cross section of described nonreentrant surface 11 is more than 2 times or 2 times of diameter that actual institute uses ball material 30.The spacing of two adjacent nonreentrant surfaces 11 is more than 2 times or 2 times of diameter that actual institute uses ball material 30.Preferred embodiment of the present utility model: when the diameter of the ball material of selecting for use 30 is the 1.0mm left and right sides, the cross section of described nonreentrant surface 11 of the present utility model is a semi arch, its radius is 5mm, and the difference in height of the peak of described nonreentrant surface 11 and described recessed surperficial 12 minimum point is 5mm.The spacing of two adjacent nonreentrant surfaces 11 is 10mm.
The inwall of one end of the alloy tube wall 10 that the alloy that is used for the steel plate rollgang of shot-blasting machine of the present utility model overlaps is provided with first composition surface 13, the outer wall of the other end is provided with second faying face 14, and the outside dimension of the internal diameter on described first composition surface 13 and described second faying face 14 is complementary.Like this, the alloy cover of the several identical steel plate rollgang that is used for shot-blasting machine of the present utility model just can one be interconnected to a long alloy cover.When connecting, second faying face 14 of an alloy cover is connected with first composition surface 13 that another adjacent alloy overlaps, and its fit system can adopt matched in clearance or interference fits.A plurality of alloy covers can be connected successively.
Make the selection that the alloy that is used for the steel plate rollgang of shot-blasting machine of the present utility model overlaps used material, consider to resist the factors such as ability, processing characteristics and expense of ball material erosion.The alloy cover that is used for the steel plate rollgang of shot-blasting machine of the present utility model adopts casting character Cr18 preferably.Described nonreentrant surface 11 processes for integral body with alloy tube wall 10.
Claims (3)
1, a kind of alloy cover that is used for the steel plate rollgang of shot-blasting machine is characterized in that, comprises the alloy tube wall, and the nonreentrant surface of a plurality of annulars is arranged on the outer wall of described alloy tube wall, and the shape of cross section of described nonreentrant surface is a circular arc.
2, the alloy cover that is used for the steel plate rollgang of shot-blasting machine as claim 1, it is characterized in that, the inwall of one end of described alloy tube wall is provided with first composition surface, and the outer wall of the other end is provided with second faying face, and the outside dimension of the internal diameter on described first composition surface and described second faying face is complementary.
3, be used for the alloy cover of the steel plate rollgang of shot-blasting machine as claim 1, it is characterized in that, the material of described alloy tube wall is Cr18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200691767U CN201394786Y (en) | 2009-03-20 | 2009-03-20 | Alloy sheath used for steel plate conveying roller of shot blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200691767U CN201394786Y (en) | 2009-03-20 | 2009-03-20 | Alloy sheath used for steel plate conveying roller of shot blasting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201394786Y true CN201394786Y (en) | 2010-02-03 |
Family
ID=41617281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200691767U Expired - Fee Related CN201394786Y (en) | 2009-03-20 | 2009-03-20 | Alloy sheath used for steel plate conveying roller of shot blasting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201394786Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001050A (en) * | 2010-10-20 | 2011-04-06 | 无锡富岛精工有限公司 | Indoor roller way of passing through type shot blasting machine |
| CN103962967A (en) * | 2014-04-21 | 2014-08-06 | 鞍钢股份有限公司 | Method for improving steel plate surface quality after shot blasting |
-
2009
- 2009-03-20 CN CN2009200691767U patent/CN201394786Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001050A (en) * | 2010-10-20 | 2011-04-06 | 无锡富岛精工有限公司 | Indoor roller way of passing through type shot blasting machine |
| CN102001050B (en) * | 2010-10-20 | 2012-11-28 | 无锡富岛精工有限公司 | Indoor roller way of passing through type shot blasting machine |
| CN103962967A (en) * | 2014-04-21 | 2014-08-06 | 鞍钢股份有限公司 | Method for improving steel plate surface quality after shot blasting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20160320 |