Wear-resistant stirring scraper of edge runner mill

Abstract

The utility model discloses a wear-resistant stirring scraper blade of an edge runner mill, which comprises a stirring scraper blade body, the lower part of the front end surface of the stirring scraper blade body is a material contact surface, and a detachable wear-resistant reinforcing component is fixedly covered on the material contact surface of the stirring scraper blade body. The stirring scraper blade has the beneficial effects that the material contact surface of the stirring scraper blade body can be shielded and protected in a manner that the material contact surface of the stirring scraper blade body is shielded by the wear-resistant shielding plate of the wear-resistant reinforcing assembly, so that the stirring scraper blade body is prevented from being quickly worn due to the fact that the material contact surface is in direct contact with refractory raw materials; the wear-resistant shielding plate is a rectangular plate made of a silicon carbide material, so that the wear-resistant shielding plate is ensured to have remarkable wear-resistant use capacity, the wear degree can be delayed and reduced in a manner that the wear-resistant shielding plate is in direct contact with and scatters refractory raw materials, the replacement period is prolonged, and the maintenance cost is reduced; and the production efficiency can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the auxiliary assembly field of wheel mill mixer, concretely relates to a wheel mill wear -resisting stirring scraper. BACKGROUND

[0002] Wheel mill mixer is the use roller's gravity, crush and crush material's coarse powder grinding machinery, and the crushing mechanism is roller and mill disc. Wheel mill mixer when working, material is sent into in the middle of mill disc, and under the action of the push of scraper or its own centrifugal force, enters the roller below and rolls. After bearing multiple rollings, the particles meeting the particle size requirement leak from the sieve hole of the periphery of the mill disc, and the coarse particles return to the roller below and are rolled again. Wheel mill mixer is suitable for crushing silica stone and clay and other materials below medium hardness, or for mixing materials, so it is widely used in the preparation process of refractory bricks.

[0003] At present, in the use process of wheel mill mixer, the stirring scraper is a core component of the wheel mill mixer. In the working process, it stirs and scatters the refractory raw materials at the bottom of the wheel mill mixer according to the rotation of the roller frame, so that the roller can repeatedly roll the scattered refractory raw materials, thereby realizing the mixing and rolling operation of the refractory raw materials through the stirring and rolling. However, the current stirring scraper lacks necessary wear -resisting means, and it will be in contact with the refractory raw materials during the process of rapid scattering, which will cause fast wear and short service life. Therefore, it needs to be replaced frequently, increases the maintenance cost, and also interrupts the production and affects the production efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a wheel mill wear -resisting stirring scraper, which can avoid the fast wear of the stirring scraper body due to the direct contact of the material contact surface with the refractory raw materials, and the details are described below.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] The utility model provides a wheel mill wear -resisting stirring scraper, including stirring scraper body, the front end face lower part of stirring scraper body is material contact surface, and the material contact surface of stirring scraper body covers and is fixed with detachable wear -resisting reinforcing component, to the wear -resisting reinforcing component is used for shielding protection and wear -resisting reinforcing treatment to the material contact surface of stirring scraper body.

[0007] As preferred, the upper part of the stirring blade body is provided with a plurality of fixing holes for being fixed to the roller stirring machine.

[0008] As preferred, the front part of the stirring blade body is vertically extended and fixed with a reinforcing rib plate on both sides of the fixing hole.

[0009] As preferred, the wear-resistant reinforcing assembly comprises a wear-resistant shield and a matching hole, the wear-resistant shield covers the front part of the stirring blade body and completely covers the material contact surface of the stirring blade body, the stirring blade body is provided with a plurality of matching holes at the position hidden by the wear-resistant shield, and the wear-resistant shield and the stirring blade body are detachably combined by adding and removing the assembly.

[0010] As preferred, the assembly is specifically that the front part of the wear-resistant shield is provided with a plurality of mounting holes, and the mounting holes and the matching holes are coaxially matched one by one, and each set of coaxially matched mounting holes and matching holes are coaxially detachably inserted with a fixing member by thread cooperation.

[0011] As preferred, the matching hole is a threaded hole, the mounting hole is a countersunk hole, the fixing member is a countersunk screw, and the outer end of the fixing member is beyond the outer end of the corresponding mounting hole.

[0012] As preferred, the assembly is specifically that the back of the wear-resistant shield is longitudinally provided with a plurality of matching rods, the matching rods correspond to the matching holes one by one, and the matching rods are coaxially inserted into the rear end of the corresponding matching hole by sliding cooperation, and the part of the matching rod extending out of the rear end of the corresponding matching hole is coaxially detachably installed with a locking ring.

[0013] As preferred, the matching rod is a stud, the locking ring is a nut, and the locking ring and the matching rod are coaxially detachably combined by thread cooperation.

[0014] As preferred, the part of the matching rod between the locking ring and the back of the stirring blade body is coaxially sleeved with a lock washer.

[0015] As preferred, the wear-resistant shield is a rectangular plate made of silicon carbide.

[0016] The wear-resistant stirring scraper body is provided with the wear-resistant reinforcing assembly on the outer end surface of the stirring scraper body for dispersing and contacting materials, so that the wear-resistant cover of the wear-resistant reinforcing assembly can shield the material contact surface of the stirring scraper body, thereby avoiding the rapid wear of the stirring scraper body due to the direct contact of the material contact surface with the refractory raw materials, prolonging the service life of the stirring scraper body, and ensuring that the wear-resistant cover has significant wear-resistant use capability, thereby delaying the degree of wear, prolonging the replacement cycle, reducing the maintenance cost, and facilitating the guarantee of production efficiency.

[0017] The wear-resistant stirring scraper body is provided with the wear-resistant reinforcing assembly on the outer end surface of the stirring scraper body for dispersing and contacting materials, so that the wear-resistant cover of the wear-resistant reinforcing assembly can shield the material contact surface of the stirring scraper body, thereby avoiding the rapid wear of the stirring scraper body due to the direct contact of the material contact surface with the refractory raw materials, prolonging the service life of the stirring scraper body, and ensuring that the wear-resistant cover has significant wear-resistant use capability, thereby delaying the degree of wear, prolonging the replacement cycle, reducing the maintenance cost, and facilitating the guarantee of production efficiency.

[0018] 2. The wear-resistant shield is a rectangular plate made of silicon carbide, which ensures that the wear-resistant shield has significant wear resistance. By directly contacting and dispersing the refractory raw materials, the wear-resistant shield can slow down and reduce the degree of wear, extend the replacement cycle and reduce maintenance costs, which is conducive to ensuring production efficiency.

[0019] 3. The wear-resistant baffle of the wear-resistant reinforcement component and the mixing scraper body are detachably assembled by adding fasteners through the mounting holes and mating holes. Afterwards, the wear-resistant baffle can be removed from the front of the mixing scraper body simply by removing the fasteners. The assembly and disassembly of the wear-resistant baffle at the front of the mixing scraper body is simple and easy to achieve. It is convenient to quickly assemble the wear-resistant baffle at the front of the mixing scraper body to extend the wear replacement cycle and to use it for mixing and dispersing refractory materials. At the same time, it is convenient to quickly replace the wear-resistant baffle after it is removed from the mixing scraper body.

[0020] 4. When the wear-resistant shield is assembled and fixed to the mixing scraper body, the wear-resistant shield can be quickly assembled and fixed to the front of the mixing scraper body by passing the mating rod on the back of the wear-resistant shield through the mating hole of the mixing scraper body and then installing a locking ring. Afterwards, the wear-resistant shield can be removed by simply removing the locking ring and allowing the mating rod to detach axially along the mating hole. The assembly and disassembly of the wear-resistant shield at the front of the mixing scraper body is simple and easy to implement. It is convenient to quickly assemble the wear-resistant shield at the front of the mixing scraper body to extend the wear replacement cycle and to use it for mixing and dispersing refractory materials. At the same time, it is convenient to quickly replace the wear-resistant shield after it is removed from the mixing scraper body. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a frontal view of the entire utility model. Figure 1 ;

[0023] Figure 2 This is a utility model Figure 1 A schematic diagram of the AA cross-section;

[0024] Figure 3 This is a frontal view of the entire utility model. Figure 2 ;

[0025] Figure 4 This is a utility model Figure 3 BB cross-sectional diagram;

[0026] Figure 5 is the utility model Figure 3 The back view schematic diagram.

[0027] The sign of the drawing mark is as follows:

[0028] 1, stirring scraper body;101, fixed hole;102, reinforcing rib plate;2, wear-resistant reinforcing assembly;201, wear-resistant shutter;202, disassembly and assembly component;2021, fixing part;2022, mounting hole;2023, locking ring;2024, matching rod;2025, anti-loosening washer;203, matching hole. Specific implementation

[0029] In order to make the purpose, technical scheme and advantage of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other implementation manners obtained by the ordinary skill in the art without making the creative labor belong to the range of the utility model.

[0030] Referring to Figures 1-5 The utility model provides a kind of wear-resistant stirring scraper of roller mill, including stirring scraper body 1, the front end face lower part of stirring scraper body 1 is material contact surface, and the material contact surface of stirring scraper body 1 is covered with detachable wear-resistant reinforcing assembly 2, to be shielded and wear-resistant reinforcing treatment to the material contact surface of stirring scraper body 1 by wear-resistant reinforcing assembly 2, specifically, wear-resistant reinforcing assembly 2 includes wear-resistant shutter 201 and matching hole 203, wear-resistant shutter 201 covers in the position of the lower part of the front of stirring scraper body 1 and completely shields the material contact surface of stirring scraper body 1, and stirring scraper body 1 is equipped with multiple matching holes 203 in the position of wear-resistant shutter 201 back shielding, and wear-resistant shutter 201 and stirring scraper body 1 are detachably combined together by the way of adding disassembly and assembly component 202 with matching hole 203, the purpose of such setting is, the material contact surface of stirring scraper body 1 can be shielded and protected by the way of wear-resistant shutter 201 of wear-resistant reinforcing assembly 2 shielding the material contact surface of stirring scraper body 1, avoid the quick wear of stirring scraper body 1 due to the direct contact of material contact surface with refractory raw material, prolong the service life of stirring scraper body 1.

[0031] Referring to Figures 1-4As shown, the stirring scraper body 1 and the wear-resistant reinforcing assembly 2 are respectively optimized as follows. Specifically to the stirring scraper body 1, a plurality of fixing holes 101 are arranged on the upper part of the stirring scraper body 1, so that the stirring scraper body 1 can be smoothly installed and fixed at the setting position of the roller mill mixer by means of the fixing holes 101. Meanwhile, the front part of the stirring scraper body 1 is vertically extended and fixed with reinforcing rib plates 102 on both sides of the fixing holes 101, so as to enhance the overall use strength of the stirring scraper body 1 during design, and ensure high-efficiency and stable service life. As to the wear-resistant reinforcing assembly 2, the first optional type of the dismounting and assembling part 202 is that the front part of the wear-resistant cover plate 201 is provided with a plurality of mounting holes 2022, and the mounting holes 2022 and the matching holes 203 are coaxially matched one by one. The mounting holes 2022 and the matching holes 203 are coaxially detachably inserted with fixing members 2021 through threaded cooperation. In this way, the wear-resistant cover plate 201 of the wear-resistant reinforcing assembly 2 and the stirring scraper body 1 are detachably combined by means of the mounting holes 2022 and the matching holes 203 and the fixing members 2021. Subsequently, the wear-resistant cover plate 201 can be dismounted from the front part of the stirring scraper body 1 by removing the fixing members 2021. The combination and dismounting of the wear-resistant cover plate 201 on the front part of the stirring scraper body 1 is simple and easy to realize. Meanwhile, the matching holes 203 are threaded holes, the mounting holes 2022 are countersunk holes, and the fixing members 2021 are countersunk screws. The outer ends of the fixing members 2021 are beyond the outer ends of the corresponding mounting holes 2022. In this way, the fixing members 2021 can be quickly combined and dismounted with the mounting holes 2022 and the matching holes 203 by screwing, and the front ends of the fixing members 2021 can be hidden in the mounting holes 2022.

[0032] Referring to Figures 3-5As shown, the second optional form of the disassembling and assembling component 202 is that the wear-resistant shield 201 is longitudinally provided with a plurality of matching rods 2024 on the back surface, the matching rods 2024 correspond to the matching holes 203 one by one, and the matching rods 2024 are coaxially inserted into the rear ends of the corresponding matching holes 203 in a sliding fit manner, and the portions of the matching rods 2024 extending out of the rear ends of the corresponding matching holes 203 are coaxially detachably provided with locking rings 2023. In this way, when the wear-resistant shield 201 is combined and fixed with the stirring scraper body 1, the wear-resistant shield 201 can be quickly combined and fixed in front of the stirring scraper body 1 by the matching rods 2024 provided on the back surface of the wear-resistant shield 201 passing through the matching holes 203 of the stirring scraper body 1 and then adding the locking rings 2023, and subsequently, the wear-resistant shield 201 can be disassembled by removing the locking rings 2023 and then making the matching rods 2024 axially separate along the matching holes 203. The combination and disassembly of the wear-resistant shield 201 in front of the stirring scraper body 1 is simple and easy to implement. Meanwhile, the matching rods 2024 are threaded rods, the locking rings 2023 are nuts, and the locking rings 2023 and the matching rods 2024 are coaxially detachably combined by thread cooperation. In this way, the quick combination and disassembly of the locking rings 2023 and the matching rods 2024 can be realized by screwing the locking rings 2023. Further, the portions of the matching rods 2024 between the locking rings 2023 and the back surface of the stirring scraper body 1 are coaxially provided with lock washers 2025. In this way, the locking rings 2023 have good anti-loosening design after being tightened. As to the selection of the wear-resistant shield, the wear-resistant shield 201 is a rectangular plate made of silicon carbide. In this way, the wear-resistant shield 201 has significant wear-resistant use ability, so that the degree of wear is reduced and the replacement cycle is prolonged, and the maintenance cost is reduced by directly contacting the wear-resistant shield 201 with the dispersed refractory raw materials. Moreover, according to the analysis of the characteristics of various metal wear-resistant materials, it is found that the use of non-metal wear-resistant material silicon carbide on the stirring scraper body 1 can greatly reduce wear, and the wear-resistant shield 201 made of silicon carbide is light in texture, which further facilitates the replacement operation.

[0033] With the above structure, in actual use of the stirring scraper body 1, since the wear-resistant reinforcing assembly 2 is fixedly covered on the outer end surface of the stirring scraper body 1 in contact with the material, the wear-resistant cover plate 201 of the wear-resistant reinforcing assembly 2 can shield the material contact surface of the stirring scraper body 1, avoiding the direct contact of the material contact surface of the stirring scraper body 1 with the refractory raw material, prolonging the service life of the stirring scraper body 1, and ensuring that the wear-resistant cover plate 201 has significant wear-resistant use capability, thereby delaying the degree of wear and tear, prolonging the replacement cycle and reducing the maintenance cost, and facilitating the protection of production efficiency. In particular to the combination and disassembly operation of the wear-resistant cover plate 201 at the front lower part of the stirring scraper body 1, one setting mode is that the wear-resistant cover plate 201 of the wear-resistant reinforcing assembly 2 is detachably combined with the stirring scraper body 1 through the mounting hole 2022 and the matching hole 203 and the fixing piece 2021, and then the wear-resistant cover plate 201 can be disassembled from the front part of the stirring scraper body 1 after the fixing piece 2021 is removed. The combination and disassembly mode of the wear-resistant cover plate 201 at the front part of the stirring scraper body 1 is simple and easy to implement, which facilitates the quick combination of the wear-resistant cover plate 201 at the front part of the stirring scraper body 1, the extension of the wear replacement cycle, the use of stirring and dispersion of refractory raw materials, and the quick replacement after the wear-resistant cover plate 201 is disassembled from the stirring scraper body 1. Another setting mode is that when the wear-resistant cover plate 201 is combined and fixed with the stirring scraper body 1, the wear-resistant cover plate 201 can be quickly combined and fixed at the front part of the stirring scraper body 1 by the locking ring 2023 after the matching rod 2024 on the back of the wear-resistant cover plate 201 passes through the matching hole 203 of the stirring scraper body 1. Then the wear-resistant cover plate 201 can be disassembled by making the matching rod 2024 axially disintegrate along the matching hole 203 after the locking ring 2023 is removed. The combination and disassembly mode of the wear-resistant cover plate 201 at the front part of the stirring scraper body 1 is simple and easy to implement, which facilitates the quick combination of the wear-resistant cover plate 201 at the front part of the stirring scraper body 1, the extension of the wear replacement cycle, the use of stirring and dispersion of refractory raw materials, and the quick replacement after the wear-resistant cover plate 201 is disassembled from the stirring scraper body 1.

[0034] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A mill pan wear resistant flight, comprising a flight body (1), characterised in that: The front end surface lower part of the stirring scraper body (1) is a material contact surface, and the material contact surface of the stirring scraper body (1) is covered and fixed with a detachable wear-resistant reinforcing assembly (2) to shield and protect and wear-resistantly reinforce the material contact surface of the stirring scraper body (1) through the wear-resistant reinforcing assembly (2).

2. A wear resistant flight for a roller mill as defined in claim 1, wherein: The upper part of the stirring scraper body (1) is provided with a plurality of fixing holes (101) capable of being mounted and fixed on the wheel mill stirring machine.

3. A wear resistant flight for a roller mill as defined in claim 2, wherein: The front face of the stirring scraper body (1) is vertically extended and fixed with a reinforcing rib plate (102) at the positions on both sides of the fixing hole (101).

4. A wear resistant flight for a roller mill as claimed in claim 1, 2 or 3, wherein: The wear-resistant reinforcing assembly (2) comprises a wear-resistant shield (201) and a matching hole (203). The wear-resistant shield (201) covers the front lower part of the stirring scraper body (1) and completely shields the material contact surface of the stirring scraper body (1). The stirring scraper body (1) is provided with a plurality of matching holes (203) at the position shielded by the back of the wear-resistant shield (201), and the wear-resistant shield (201) and the stirring scraper body (1) are detachably combined by adding and removing the disassembling assembly (202) to the matching hole (203).

5. A wear resistant flight for a roller mill as defined in claim 4, wherein: The disassembling assembly (202) is that the front face of the wear-resistant shield (201) is provided with a plurality of mounting holes (2022), and the mounting hole (2022) and the matching hole (203) are coaxially matched one by one. Each set of coaxially matched mounting hole (2022) and matching hole (203) is coaxially detachably inserted with a fixing member (2021) through threaded cooperation.

6. A wear resistant flight for a roller mill as claimed in claim 5, wherein: The matching hole (203) is a threaded hole, the mounting hole (2022) is a countersunk hole, the fixing member (2021) is a countersunk screw, and the outer end of the fixing member (2021) is outside the corresponding mounting hole (2022).

7. A wear resistant flight for a roller mill as defined in claim 4, wherein: The disassembling assembly (202) is that the back of the wear-resistant shield (201) is longitudinally provided with a plurality of matching rods (2024). The matching rod (2024) corresponds to the matching hole (203), and the matching rod (2024) coaxially penetrates the rear end of the corresponding matching hole (203) in a sliding fit. The part of the matching rod (2024) protruding from the rear end of the corresponding matching hole (203) is coaxially detachably mounted with a locking ring (2023).

8. A wear resistant flight for a roller mill as defined in claim 7, wherein: The matching rod (2024) is a threaded rod, the locking ring (2023) is a nut, and the locking ring (2023) and the matching rod (2024) are coaxially detachably combined through threaded cooperation.

9. A wear resistant flight for a roller mill as defined in claim 8, wherein: The part of the matching rod (2024) between the locking ring (2023) and the back of the stirring scraper body (1) is coaxially sleeved with a lock washer (2025).

10. The abrasion-resistant mixing and scraping blade of a roller mill according to any one of claims 5-9, characterized in that: The wear-resistant shield (201) is a rectangular plate made of silicon carbide.

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