CN114669363A - Stud arranging structure of roller press roller sleeve of roller surface full surface stud - Google Patents
Stud arranging structure of roller press roller sleeve of roller surface full surface stud Download PDFInfo
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- CN114669363A CN114669363A CN202210352391.8A CN202210352391A CN114669363A CN 114669363 A CN114669363 A CN 114669363A CN 202210352391 A CN202210352391 A CN 202210352391A CN 114669363 A CN114669363 A CN 114669363A
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- roller
- press
- roll
- studs
- stud
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
- B02C4/305—Wear resistant rollers
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The stud arrangement structure of the roller sleeve of the roller press with the full-surface studs on the roller surface is that studs with different wear resistance properties are arranged on the roller surface alternately, the shape of the roller surface with protrusions and recesses alternated is formed by utilizing the difference of the wear resistance properties of the studs in the use process of the roller sleeve, so that the capability of the roller surface of the roller sleeve for gripping materials is improved, the extrusion angle of a rolling mill is increased, the alignment of two roller sleeves rotating oppositely is heterogeneous alignment of the studs, the protruding part on one roller sleeve aligns with the recessed part on the other roller sleeve after the roller sleeves are worn, the roller press has the functions of crushing powder by extrusion force and crushing powder by shearing force, the powder crushing efficiency of the roller press is greatly improved, and the fine grinding of the roller press is realized.
Description
Technical Field
The invention discloses a stud arrangement structure of a roller press roller sleeve of a roller surface full face stud, relates to the design of a roller press roller sleeve wear-resistant layer for powder breaking, and belongs to the technical field of mechanical design and manufacturing.
Background
The wear resistance of the roller sleeve of the roller press for imbedding the hard alloy stud is determined by the proportion of the total cross section area of the stud to the area of the roller surface, namely the surface density of the stud, the restriction of the existing embedded stud arrangement structure design and the embedded casting process technology, the heat exchange balance restriction of the surface density of the stud due to the stud heat capacity and the overheating heat capacity of the molten steel amount flowing into the gap between the studs, the surface density of the stud has a critical surface density, namely the maximum surface density, the critical surface density is the maximum stud surface density which can completely fill gaps among studs by molten steel under the auxiliary conditions of no external field force such as centrifugal force, vibration, external preheating and electromagnetic field, the critical density of the stud cast-in without external field force cannot reach 50%, the wear-resisting property of a roller surface wear-resisting layer of a roller sleeve is insufficient, the wear-resisting layer of the roller sleeve of the stud cast-in is required to be built up in the gaps among the studs for improving the wear-resisting property of the roller sleeve of the stud cast-in, and regular building-up maintenance is required; the roller sleeve of the roller press with the uniform stud on the full surface of the roller surface has the advantages that the wear resistance of the stud is consistent, so that the stud is worn uniformly in the same circumferential direction, the circumferential surface of the roller surface is smooth, the stud slips when biting materials, the extrusion angle of the roller press is reduced, and the powder breaking processing efficiency of the roller press is reduced.
The stud arrangement structure of the roller sleeve of the roller press with the stud full surface on the roller surface is that studs with different wear resistance properties are arranged on the roller surface alternately, and the roller surface shape with protrusions and recesses alternated is formed in the use process of the roller sleeve by utilizing the difference of the wear resistance properties of the studs, so that the capability of the roller surface of the roller sleeve for gripping materials is improved, the extrusion angle of the roller press is increased, and the powder breaking efficiency of the roller press is improved.
Disclosure of Invention
The stud arrangement structure of the roller sleeve of the roller press with the roller surface full surface studs is that studs with different wear resistance properties are arranged on the roller surface alternately, and the roller surface shape with alternately raised parts and recessed parts is formed in the use process of the roller sleeve by utilizing the difference of the wear resistance properties of the studs, so that the capability of the roller surface of the roller sleeve for gripping materials is improved, the extrusion angle of a rolling mill is increased, and the powder breaking efficiency of the roller press is improved.
The invention relates to a concrete arrangement structure of a stud arrangement structure of a roller press roller sleeve of a roller surface full surface stud, which comprises the following three types: arrangement structure 1: a row of hard alloy studs and a row of steel bond hard alloy studs are arranged on the circumferential surface of the roller sleeve at intervals in the bus direction of the roller sleeve, and the roller sleeve is worn to form a bus stripe-shaped roller surface with convex parts and concave parts alternated in the using process; arrangement structure 2: the hard alloy studs and the steel bond hard alloy studs are arranged alternately in the bus direction and the circumferential direction of the roller sleeve, and the roller sleeve is worn to form a roller surface with alternately raised bosses and recessed pits in the use process; arrangement structure 3: a circle of hard alloy studs and a circle of steel bond hard alloy studs are arranged on the circumferential surface of the roller sleeve at intervals in the circumferential direction of the roller sleeve, the roller sleeve is worn to form a circumferential stripe-shaped roller surface with alternately raised parts and recessed parts in the using process, the two roller sleeve alignment modes of the roller press are heterogeneous stud alignment modes of the circle of hard alloy studs aligned to the circle of steel bond hard alloy studs, the stud alignment modes between the stud arrangement structure and the roller sleeve are jointly used, so that the roller press has the functions of crushing powder by extrusion force and crushing powder by shearing force, the powder crushing efficiency of the roller press is greatly improved, and the fine grinding of the roller press can be realized.
Claims (8)
1. The invention relates to a stud arrangement structure of a roller press roller sleeve of a roller surface full face stud, which is remarkably characterized in that: studs with different wear resistance properties are arranged on the roller surface at intervals, and the roller surface shape with convex parts and concave parts at intervals is formed by utilizing the difference of the wear resistance properties of the studs in the using process of the roller sleeve, so that the capability of the roller surface of the roller sleeve for biting materials is improved, the extrusion angle of a roller press is increased, and the powder crushing efficiency of the roller press is improved, wherein the studs with different wear resistance properties refer to hard alloy studs and steel bond hard alloy studs;
the invention relates to a stud arrangement structure of a roller press roller sleeve of a roller surface full face stud, which comprises three specific arrangement structures: arrangement structure 1: a row of hard alloy studs and a row of steel bond hard alloy studs are arranged on the circumferential surface of the roller sleeve at intervals in the bus direction of the roller sleeve, and the roller sleeve is worn to form a bus stripe-shaped roller surface with convex parts and concave parts alternated in the using process; arrangement structure 2: the hard alloy studs and the steel bond hard alloy studs are arranged alternately in the bus direction and the circumferential direction of the roller sleeve, and the roller sleeve is worn to form a roller surface with alternately raised bosses and recessed pits in the use process; arrangement structure 3: a circle of hard alloy studs and a circle of steel bond hard alloy studs are alternately arranged on the circumferential surface of the roller sleeve in the circumferential direction of the roller sleeve, and the roller sleeve is worn to form a circumferential stripe-shaped roller surface with alternately raised parts and recessed parts in the using process;
two roller sleeve studs of the roller press are arranged and aligned: the two roller sleeves rotate in opposite directions and are circumferentially aligned in a heterogeneous stud aligning mode, and after the roller sleeves are worn, the convex part on one roller sleeve is aligned with the concave part on the other roller sleeve, so that the roller press has the functions of crushing powder by extrusion force and crushing powder by shearing force, the powder crushing efficiency of the roller press is greatly improved, and the fine grinding of the roller press is realized.
2. The stud arrangement structure of the roller press roller shell of the roller surface full surface stud according to claim 1 is as follows: a row of hard alloy studs and a row of steel bond hard alloy studs are arranged on the circumferential surface of the roller sleeve at intervals in the bus direction of the roller sleeve, and the roller sleeve is worn to form a bus stripe-shaped roller surface with convex parts and concave parts at intervals in the use process.
3. The stud arrangement structure of the roller press roller shell of the roller surface full surface stud according to claim 1 is as follows: the hard alloy studs and the steel bond hard alloy studs are arranged alternately in the bus direction and the circumferential direction of the roller sleeve, and the roller sleeve is worn to form a roller surface with alternately raised bosses and recessed pits in the use process.
4. The stud arrangement structure of the roller press roller shell of the roller surface full surface stud according to claim 1 is as follows: a circle of hard alloy studs and a circle of steel bond hard alloy studs are arranged on the circumferential surface of the roller sleeve at intervals in the circumferential direction of the roller sleeve, and the roller sleeve is worn to form a circumferential stripe-shaped roller surface with alternately raised parts and recessed parts in the using process.
5. The stud arrangement structure of the roll mantle of the roll press according to claim 2, wherein the two roll mantles rotate in opposite directions and circumferentially adopt a heterogeneous stud alignment mode, that is, a row of hard alloy studs on one roll mantle align to a row of steel bond hard alloy studs on the other roll mantle, and after the roll mantle is worn, a raised ridge on one roll mantle aligns to a groove on the other roll mantle, so that the roll press has functions of crushing powder by extrusion force and shearing force, thereby greatly improving the crushing efficiency of the roll press and realizing fine grinding of the roll press.
6. The pin arrangement structure of the roll mantle of the roll press according to claim 3, wherein the two roll mantles rotate in opposite directions and are circumferentially aligned by heterogeneous pins, i.e. the hard alloy pin on one roll mantle aligns the steel hard alloy pin on the other roll mantle, and when the roll mantle is worn, the boss on one roll mantle aligns the pit on the other roll mantle, so that the roll press has both functions of crushing powder by extrusion force and crushing powder by shearing force, thereby greatly improving the crushing efficiency of the roll press and realizing fine grinding of the roll press.
7. The pin arrangement structure of the roll mantle of the roll press according to claim 3, wherein the two roll mantles of the roll press are in heterogeneous pin alignment in the axial direction, i.e. a circle of hard alloy pins on one roll mantle align a circle of steel-bonded hard alloy pins on the other roll mantle, and after the roll mantles wear, the circumferential convex edge on one roll mantle aligns the circumferential groove on the other roll mantle, so that the roll press has both functions of crushing powder by extrusion force and crushing powder by shearing force, thereby greatly improving the crushing efficiency of the roll press and realizing fine grinding of the roll press.
8. The stud arranging structure of the roller press roller sleeve with the full-surface studs on the roller surface is suitable for the roller sleeve of a sand making machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210352391.8A CN114669363B (en) | 2022-04-05 | 2022-04-05 | Column nail arrangement structure of roller press roller sleeve with full-face column nails on roller surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210352391.8A CN114669363B (en) | 2022-04-05 | 2022-04-05 | Column nail arrangement structure of roller press roller sleeve with full-face column nails on roller surface |
Publications (2)
Publication Number | Publication Date |
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CN114669363A true CN114669363A (en) | 2022-06-28 |
CN114669363B CN114669363B (en) | 2023-09-01 |
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CN202210352391.8A Active CN114669363B (en) | 2022-04-05 | 2022-04-05 | Column nail arrangement structure of roller press roller sleeve with full-face column nails on roller surface |
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CN (1) | CN114669363B (en) |
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JP2000051718A (en) * | 1998-08-07 | 2000-02-22 | Asao Ishimaru | Multi-axis spiral crusher capable of effectively producing granular, round and crushed sand of high quality for concrete |
CN2805914Y (en) * | 2005-07-29 | 2006-08-16 | 中信重型机械公司 | Novel grinding roll surface for rolling |
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CN212549759U (en) * | 2020-06-19 | 2021-02-19 | 合肥欣畅源光电科技有限公司 | Foamed concrete sorting crushing roller and crushing device |
CN113578456A (en) * | 2021-08-04 | 2021-11-02 | 武汉华材表面科技有限公司 | High-density stud roller sleeve of brazed stud row of cast-in sheath and manufacturing method thereof |
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2022
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CN212549759U (en) * | 2020-06-19 | 2021-02-19 | 合肥欣畅源光电科技有限公司 | Foamed concrete sorting crushing roller and crushing device |
CN113578456A (en) * | 2021-08-04 | 2021-11-02 | 武汉华材表面科技有限公司 | High-density stud roller sleeve of brazed stud row of cast-in sheath and manufacturing method thereof |
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