Wear-resistant alloy block structure of screw conveyor
The lost foam casting method, which uses dovetail tenon and dovetail groove structure and stud bolt connection, solves the problems of convenient production and multi-position contact of wear-resistant alloy block structure, and improves the wear resistance and efficiency of screw conveyor.
Patent Information
- Application Number
- CN202520314865.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-26
AI Technical Summary
The existing wear-resistant alloy block structure is not convenient for casting production and is not conducive to contact with materials from different positions, which affects the efficiency of the screw conveyor.
The wear-resistant alloy block is produced by using dovetail tenon and dovetail groove structure, combined with stud and bolt connection method, and produced by lost foam casting method to ensure a firm connection between the base and the wear-resistant block, and to contact the material at the top and side positions respectively.
It enables convenient casting production, reduces the frequency of replacing wear-resistant alloy blocks, and improves the efficiency and wear resistance of screw conveyors.
Smart Images

Figure CN223902869U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wear -resistant alloy block structure technical field, concretely is a kind of spiral conveyor wear -resistant alloy block structure. BACKGROUND
[0002] Spiral conveyor is a kind of equipment using motor to drive spiral rotation, material is conveyed from starting point to terminal by spiral blade, it has simple structure, small cross section, good sealing, easy operation, easy maintenance and other advantages, wear -resistant alloy block is mounted on spiral blade to reduce the wear of spiral blade, traditional wear -resistant alloy block is casted by two kinds of different metals, the side of metal block is not covered by wear -resistant metal block, so that the wear -resistant effect of side is poor, to improve the situation, so a kind of spiral conveyor wear -resistant alloy block structure is presented.
[0003] As the authorized announcement No.CN217558327U discloses a kind of spiral conveyor spiral blade different metal wear -resistant alloy block, including high chromium alloy block, high chromium alloy block is used for spiral conveyor spiral blade to dig sand, low carbon steel block is installed on the spiral blade of spiral conveyor spiral blade, its lower part is welded together with the spiral blade of spiral conveyor spiral blade, the upper part is interconnected and fixed with high chromium alloy block by dovetail groove structure, form dovetail groove connection, stud is embedded in low carbon steel block, the other end is inserted into high chromium alloy block and is fastened, form first bolt pair connection, bolt one end is fixed in high chromium alloy block, the other end is inserted into low carbon steel block and is connected and fixed, form second bolt pair connection;
[0004] It although realizes the first bolt pair connection formed by stud, the second bolt pair connection formed by bolt, the dovetail groove between high chromium alloy block and low carbon steel block, form dovetail groove connection structure, guarantee the weldability of low carbon steel block, improve the connection stability of high chromium alloy block, suitable as different metal wear -resistant alloy block is used;
[0005] But it does not solve the problem that the existing wear -resistant alloy block structure is not conducive to the convenient casting production of wear -resistant alloy block when in use, not conducive to contact with material from different positions and provide wear -resistant protection, affect the efficiency of conveyor use. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of spiral conveyor wear -resistant alloy block structure to solve the problem that wear -resistant alloy block structure is not convenient for the convenient casting production of wear -resistant alloy block in the above background art, not conducive to contact with material from different positions and provide wear -resistant protection, affect the efficiency of conveyor use.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: a spiral conveyor wear -resisting alloy block structure, including base body and first wear -resisting block, the top of base body is provided with first wear -resisting block, the bottom of first wear -resisting block is installed first dovetail, the top of base body is provided with first dovetail recess, and first dovetail recess and first dovetail are mutually clamped, the inside of first dovetail recess is installed two groups of stud and first bolt, and stud and first bolt respectively extend into the inside of first wear -resisting block, and first wear -resisting block is fixedly connected with base body through stud and first bolt, one side of base body is provided with second wear -resisting block, the side wall of second wear -resisting block is installed second dovetail, the side wall of base body is installed second dovetail recess, and second dovetail recess and second dovetail are mutually clamped, and the inside of second dovetail recess is provided with two groups of second bolt, and second bolt extends into the inside of second wear -resisting block, and second wear -resisting block is fixedly connected with base body through second bolt.
[0008] Preferably, the material of the first wear -resisting block and the second wear -resisting block is KmTBC26r, and the hardness of the first wear -resisting block and the second wear -resisting block is 55-65HRC.
[0009] Preferably, the first wear -resisting block, the second wear -resisting block and the base body are produced by inlaying and casting, and the material of the base body is ZG-310-570.
[0010] Preferably, the base body and the first wear -resisting block and the second wear -resisting block are mutually bonded, and the bonding shear force is not less than 20T.
[0011] Compared with the prior art, the utility model has the advantages that the wear -resisting alloy block structure not only realizes the convenient casting production wear -resisting alloy block, facilitates the contact with different positions and materials and provides wear -resistant protection, reduces the frequency and time of replacing wear -resisting alloy block, and improves the efficiency of conveyor use.
[0012] (1) by first using the mold after the base casting is completed, then the stud and the first bolt are respectively welded in the surface of the first dovetail groove by welding, then the mold is made according to the shape of the first wear-resistant block, the mold is fixedly connected with the base, and then secondary casting is carried out, so that the first dovetail tenon and the first wear-resistant block are cast, the first dovetail tenon is clamped in the inside of the first dovetail groove, the stud and the first bolt extend into the inside of the first wear-resistant block, the base and the first wear-resistant block are fixedly connected through the stud and the first bolt, the production operation of the top first wear-resistant block is completed, then the second bolt is welded in the inside of the second dovetail groove, the mold is made according to the shape of the second wear-resistant block, the mold is fixedly connected with the base, and then tertiary casting is carried out, so that the second wear-resistant block and the second dovetail tenon are cast, the second dovetail tenon is clamped in the inside of the second dovetail groove, the second bolt extends into the inside of the second wear-resistant block, the base is fixedly connected with the second wear-resistant block through the second bolt, and thus the production operation of the side second wear-resistant block is completed, the connection between the first wear-resistant block, the second wear-resistant block and the base is firm, the first wear-resistant block and the second wear-resistant block are respectively contacted with the material from the top and the side, and thus the wear-resistant effect of the alloy block is improved, the wear-resistant alloy block is conveniently cast, the alloy block is contacted with the material from different positions and provides wear-resistant protection, the frequency and time of replacing the wear-resistant alloy block are reduced, and the efficiency of the conveyor is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0014] Figure 2 It is a three-dimensional explosion structure schematic view of the utility model;
[0015] Figure 3 It is a top view sectional structure schematic view of the base of the utility model;
[0016] Figure 4 It is a three-dimensional structure schematic view of the base of the utility model.
[0017] In the drawing: 1, base; 2, first wear-resistant block; 3, first dovetail tenon; 4, stud; 5, first bolt; 6, first dovetail groove; 7, second dovetail groove; 8, second bolt; 9, second wear-resistant block; 10, second dovetail tenon. DETAILED DESCRIPTION
[0018] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.
[0019] Please refer to Figures 1-4The utility model provides a kind of embodiment: a kind of spiral conveyor wear-resistant alloy block structure, including base body 1 and first wear block 2, the top of base body 1 is provided with first wear block 2, the bottom end of first wear block 2 is equipped with first dovetail 3, the top of base body 1 is provided with first dovetail groove 6, and first dovetail 3 and first dovetail groove 6 are mutually clamped, two groups of stud 4 and first bolt 5 are installed in the inside of first dovetail groove 6, and stud 4 and first bolt 5 respectively extend into the inside of first wear block 2, and first wear block 2 is fixedly connected with base body 1 by stud 4 and first bolt 5, the side of base body 1 is provided with second wear block 9, second wear block 9 is equipped with second dovetail 10 on the side wall, second dovetail groove 7 is installed on the side wall of base body 1, and second dovetail groove 7 and second dovetail 10 are mutually clamped, and two groups of second bolt 8 are arranged in the inside of second dovetail groove 7, second bolt 8 extends into the inside of second wear block 9, and second wear block 9 is fixedly connected with base body 1 by second bolt 8;
[0020] The material of first wear block 2 and second wear block 9 is KmTBCr26, and the hardness of first wear block 2 and second wear block 9 is 55-65HRC;
[0021] First wear block 2, second wear block 9 and base body 1 are produced by inlaying casting method, and the material of base body 1 is ZG310-570;
[0022] Base body 1 and first wear block 2, second wear block 9 are mutually adhered, and the adhesive shear force is not less than 20T;
[0023] The alloy block structure is cast by the lost foam casting method, the base body 1 is first cast using a mold, then the stud 4 and the first bolt 5 are respectively welded on the surface of the first dovetail groove 6 by welding, then a mold is made according to the shape of the first wear-resistant block 2, the mold is fixedly connected with the base body 1, and secondary casting is performed to cast the first dovetail tenon 3 and the first wear-resistant block 2, wherein the first dovetail tenon 3 is engaged in the inside of the first dovetail groove 6, and the stud 4 and the first bolt 5 extend into the inside of the first wear-resistant block 2, so as to fixedly connect the base body 1 and the first wear-resistant block 2 through the stud 4 and the first bolt 5, to complete the production operation of the top first wear-resistant block 2, then the second bolt 8 is welded in the inside of the second dovetail groove 7, a mold is made according to the shape of the second wear-resistant block 9, the mold is fixedly connected with the base body 1, and tertiary casting is performed to cast the second wear-resistant block 9 and the second dovetail tenon 10, wherein the second dovetail tenon 10 is engaged in the inside of the second dovetail groove 7, and the second bolt 8 extends into the inside of the second wear-resistant block 9, so as to fixedly connect the base body 1 and the second wear-resistant block 9 through the second bolt 8, thereby completing the production operation of the side second wear-resistant block 9, wherein the connection between the first wear-resistant block 2, the second wear-resistant block 9 and the base body 1 is firm, and the first wear-resistant block 2 and the second wear-resistant block 9 respectively contact the material from the top and the side, thereby improving the wear-resistant effect of the alloy block, realizing convenient casting production of the wear-resistant alloy block, facilitating contact with the material from different positions and providing wear-resistant protection, reducing the frequency and time of replacing the wear-resistant alloy block, and improving the efficiency of the conveyor.
[0024] Working principle: the wear-resistant alloy block structure is cast by lost foam casting method, first, the base body 1 is cast by using the mold, then the stud 4 and the first bolt 5 are respectively welded on the surface of the first dovetail groove 6 by welding, then the mold is made according to the shape of the first wear-resistant block 2, the mold is fixedly connected with the base body 1, then secondary casting is carried out, the first dovetail tenon 3 and the first wear-resistant block 2 are cast, the first dovetail tenon 3 is clamped in the first dovetail groove 6, and the stud 4 and the first bolt 5 extend into the first wear-resistant block 2, so that the base body 1 and the first wear-resistant block 2 are fixedly connected through the stud 4 and the first bolt 5, the production operation of the top first wear-resistant block 2 is completed, then the second bolt 8 is welded in the second dovetail groove 7, the mold is made according to the shape of the second wear-resistant block 9, the mold is fixedly connected with the base body 1, then tertiary casting is carried out, the second wear-resistant block 9 and the second dovetail tenon 10 are cast, the second dovetail tenon 10 is clamped in the second dovetail groove 7, and the second bolt 8 extends into the second wear-resistant block 9, so that the base body 1 is fixedly connected with the second wear-resistant block 9 through the second bolt 8, thereby the production operation of the side second wear-resistant block 9 is completed, the connection between the first wear-resistant block 2, the second wear-resistant block 9 and the base body 1 is firm, and the first wear-resistant block 2 and the second wear-resistant block 9 are respectively contacted with the material from the top and the side, so that the wear-resistant effect of the alloy block is improved, and the above is the whole use content of the wear-resistant alloy block structure of the screw conveyor.
[0025] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical scheme of the present application. Any indirect modification, equivalent change and modification of the above embodiments, which does not depart from the technical scheme of the present application, is still within the scope of the present application.
Claims
1. A spiral conveyor wear alloy block structure comprising a base body (1) and a first wear block (2), characterized in that: The upper side of the base body (1) is provided with a first wear-resistant block (2), the bottom end of the first wear-resistant block (2) is provided with a first dovetail (3), the top end of the base body (1) is provided with a first dovetail groove (6), the first dovetail (3) and the first dovetail groove (6) are clamped with each other, the inside of the first dovetail groove (6) is provided with two groups of studs (4) and first bolts (5), the studs (4) and the first bolts (5) respectively extend into the inside of the first wear-resistant block (2), the first wear-resistant block (2) is fixedly connected with the base body (1) through the studs (4) and the first bolts (5), one side of the base body (1) is provided with a second wear-resistant block (9), the sidewall of the second wear-resistant block (9) is provided with a second dovetail (10), the sidewall of the base body (1) is provided with a second dovetail groove (7), the second dovetail groove (7) and the second dovetail (10) are clamped with each other, the inside of the second dovetail groove (7) is provided with two groups of second bolts (8), the second bolts (8) extend into the inside of the second wear-resistant block (9), and the second wear-resistant block (9) is fixedly connected with the base body (1) through the second bolts (8).
2. A spiral conveyor wear alloy block structure according to claim 1, characterized in that: The materials of the first wear-resistant block (2) and the second wear-resistant block (9) are KmTBCr26, and the hardness of the first wear-resistant block (2) and the second wear-resistant block (9) is 55-65HRC.
3. A spiral conveyor wear alloy block structure according to claim 1, characterized in that: The first wear-resistant block (2), the second wear-resistant block (9) and the base body (1) are produced by adopting the insert casting method, and the material of the base body (1) is ZG310-570.
4. A spiral conveyor wear alloy block structure according to claim 1, characterized in that: The base body (1), the first wear-resistant block (2) and the second wear-resistant block (9) are mutually bonded, and the bonding shear force is not less than 20T.
Citation Information
Patent Citations
Dissimilar metal wear-resistant alloy block for spiral blade of spiral conveyor
CN217558327U