CN117358359B - Split crushing tooth for crushing steel slag and processing technology thereof - Google Patents
Split crushing tooth for crushing steel slag and processing technology thereof Download PDFInfo
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- CN117358359B CN117358359B CN202311631819.3A CN202311631819A CN117358359B CN 117358359 B CN117358359 B CN 117358359B CN 202311631819 A CN202311631819 A CN 202311631819A CN 117358359 B CN117358359 B CN 117358359B
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- 239000002893 slag Substances 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000012545 processing Methods 0.000 title claims abstract description 16
- 238000005516 engineering process Methods 0.000 title claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 48
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 45
- 239000002184 metal Substances 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 6
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 241001131688 Coracias garrulus Species 0.000 description 14
- 239000000047 product Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000012720 thermal barrier coating Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to a split crushing tooth for crushing steel slag and a processing technology thereof, comprising a tooth sleeve and a tooth post, wherein the top end of the tooth post is embedded and connected in the tooth sleeve, a base plate is sleeved on the surface, close to the bottom end, of the tooth post, wing plates are arranged on the bottom surface of the base plate in an equidistant surrounding mode, a wear-resistant square unit is arranged on the outer side of the top end of the tooth sleeve surface and comprises strip-shaped grooves which are vertically and horizontally arranged, the strip-shaped grooves are formed into metal square, a high-temperature-resistant and wear-resistant alloy layer is filled in the metal square, the thickness of the high-temperature-resistant and wear-resistant alloy layer is 8cm, equal-diameter screw holes are formed in the inner part, close to the bottom end, of the tooth sleeve and the inner screw hole of the base plate, and the inner screw holes of the tooth sleeve are positioned on the same axis, so that the detachable replacement of the tooth sleeve and the tooth post is guaranteed, the wear resistance of the surface of the tooth sleeve and the processing problem of an inner hole of the tooth sleeve are solved, and a series of product maintenance and replacement are greatly reduced.
Description
Technical Field
The invention relates to the technical field of crushing, in particular to a split crushing tooth for crushing steel slag and a processing technology thereof.
Background
In the steel slag crushing process, a crushing roller is used, the crushing tooth sleeve on the surface of the crushing roller carries out crushing treatment on contacted steel slag along with the rotation of the crushing roller, and in the steel slag crushing process, the crushing tooth sleeve is integrally cast, but is actually contacted with the steel slag and plays a role in crushing, so that the situation that the tip part of the tooth sleeve is damaged and the root part of the tooth sleeve is intact is extremely easy to occur, and the whole replacement is needed to ensure the crushing effect, so that the waste of the crushing tooth sleeve is caused.
In order to solve the problem of waste caused by replacement of crushing teeth, a split crushing ring in the market adopts a replaceable and detachable design, and has a certain market ratio.
The specification of Chinese patent No. 202211117231.1 discloses a split crushing toothed ring of a crusher, which comprises a toothed head, a toothed root and a toothed ring seat; the tooth head is provided with a crushing part and a mounting part, the outer side end of the crushing part is an arc curved surface, the inner side end of the crushing part is connected with the mounting part into a whole, the mounting part is in a cylindrical shape, and the tail end of the mounting part is provided with an annular positioning locking groove; the tooth root is assembled with the toothed ring seat through a bolt assembly, a tooth head assembly hole and a bolt assembly hole are formed in the vertical face on the outer side of the tooth root, and positioning pin holes with central axes perpendicular to each other are formed in the top surface and the front vertical face of the tooth root; the installation part of the tooth head penetrates into the tooth head assembly hole of the tooth root and is locked and positioned through the pin shaft. According to the invention, through the innovative design of the matching mode of the crushing toothed ring structure and each component part of the crushing toothed ring structure, the rapid replacement of damaged parts on the crushing toothed ring is realized, and the purposes of reducing the equipment maintenance cost and improving the overhaul work efficiency are achieved.
According to the crushing toothed ring, the problem of material waste can be solved through the design of splitting, but in the actual processing process, the daily working temperature of steel slag in the crushing process reaches about 1400 ℃, and the crushing toothed ring is repeatedly extruded and rubbed with steel slag at high temperature, so that the crushing toothed ring has extremely high requirements on the wear resistance of the crushing toothed ring at high temperature, in addition, the selection of casting materials has certain limitations, if the hardness of the materials is too high, the inner hole of the toothed sleeve cannot be processed, and if the hardness is low, the service life is low and the crushing toothed ring needs frequent replacement.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problem of ensuring that the manufactured crushing teeth have wear resistance and further are enough to cope with the requirement that the working temperature is 1400 ℃ on the basis of ensuring that the crushing teeth can be detached and replaced.
In order to solve the problems, the invention provides a split crushing tooth for crushing steel slag, which comprises a tooth sleeve and tooth columns, wherein the top ends of the tooth columns are embedded and connected in the tooth sleeve, a base plate is sleeved on the surface, close to the bottom end, of the tooth columns, wing plates are installed on the bottom surface of the base plate in an equidistant surrounding mode, wear-resistant square units are installed on the outer side of the top end of the tooth sleeve surface, each wear-resistant square unit comprises strip-shaped grooves which are vertically and horizontally arranged, each strip-shaped groove is formed into a metal square, a high-temperature-resistant and wear-resistant alloy layer is filled in each metal square, the thickness of each high-temperature-resistant and wear-resistant alloy layer is 8cm, equal-diameter screw holes are formed in the inner part, close to the bottom end, of the tooth sleeve and the inner screw holes of the base plate are located on the same axis.
In the split crushing tooth for crushing the steel slag, not only is the detachable replacement of the tooth sleeve and the tooth column ensured, but also the problems of wear resistance of the tooth sleeve surface and processing of the inner hole of the tooth sleeve are solved, and a series of cost for maintaining and replacing products is greatly reduced.
As a further improvement of the application, the hardness value of the high-temperature-resistant and wear-resistant alloy layer is HRC not less than 58-62, and the casting parent metal of the tooth sleeve is common 35# cast steel.
As a still further improvement of the present application, the surface of the bar-shaped groove is coated with a heat insulating coating, and the bar-shaped groove is made of a silicon carbide material.
As a further improvement of the tooth sleeve, the position of the tooth column close to the top end is designed as a round table, and a rubber layer is adhered to the inside of the tooth sleeve.
As a further improvement of the application, the inside of the strip-shaped groove is provided with a round hole, a prefabricated spring strip is placed in the round hole, and the end part of the prefabricated spring strip is in contact with the surface of the high-temperature-resistant and wear-resistant alloy layer.
As another improvement of the application, the processing technology of the split crushing tooth for crushing the steel slag comprises the following steps:
s1, longitudinally and longitudinally welding strip-shaped grooves on four outer surfaces of the tooth sleeve, which are close to the top end, to form a metal square;
s2, overlaying the high-temperature-resistant and wear-resistant alloy material in the metal square to form a high-temperature-resistant and wear-resistant alloy layer, and then trimming and flattening the surface of the high-temperature-resistant and wear-resistant alloy layer to enable the high-temperature-resistant and wear-resistant alloy layer to be flush with the surface of the strip-shaped groove;
s3, drilling the inner wall of the strip-shaped groove to form round holes, wherein the round holes are distributed around the high-temperature-resistant and wear-resistant alloy layer;
s4, placing the prefabricated spring strips with the initial length value larger than the section width value of the strip-shaped groove into the round holes, and extruding the end parts of the prefabricated spring strips by utilizing the high-temperature-resistant and wear-resistant alloy layers and the inner parts of the strip-shaped grooves;
s5, sealing the surface of the strip-shaped groove;
s6, welding the wing plates to the surfaces of the tooth columns, then embedding the tooth columns into the tooth sleeves, and bolting the base plate and the tooth sleeves by utilizing bolts to form crushing teeth.
As a further improvement of the present application, the diameter of the circular hole in S3 is equal to the diameter of the preformed spring strip, and the inner wall of the side of the outermost strip-shaped groove, which is far away from the high temperature resistant and wear resistant alloy layer, is not provided with a circular hole.
As a further improvement of the present application, the top end of the wing plate in S6 is designed as a slope, the slope of the wing plate is 3 °, the position of the lowest position of the top end of the wing plate in S6 is higher than the top end position of the tooth column, and the position of the lowest position of the top end of the wing plate is higher than the top end position of the tooth column.
As a further improvement supplement to the present application, the tip of the tooth post in S6 is designed as a circular truncated cone, and the diameter of the center of the circle of the circular truncated cone is smaller than the diameter of the tip of the tooth post.
To sum up, broken tooth in this application mainly comprises tooth post and tooth cover two parts, the tooth post passes through welded mode and is connected with equipment main part (i.e. roller), tooth cover passes through bolt and tooth post fixed connection, tooth cover wearing and tearing are serious after, demolish tooth post and tooth cover connecting bolt, change the tooth cover, the tooth cover is the vulnerable usual spare of this equipment, under the daily operating condition, tooth cover and slag friction contact in the rotatory in-process of roller play broken slag's effect, the setting of high temperature resistant wear-resisting alloy layer makes the tip part of tooth cover can have wear-resisting high temperature resistant effect, even this product is in the daily operating temperature of about 1400 ℃, still can for a long time use, and through the test, the hardness of tooth cover in this product under operating condition is not less than 58-62, compare the casting tooth cover (life is generally about two months) that adopts before this product is not reformed, the life of this product is more than 3 times of original product (the product of not using high temperature resistant wear-resisting alloy layer).
Drawings
FIG. 1 is a schematic overall appearance of a first and second embodiment of the present application;
FIG. 2 is an overall cross-sectional view of the first and second embodiments of the present application;
FIG. 3 is a cross-sectional view of a gear sleeve according to the first and second embodiments of the present application;
FIG. 4 is a top view of a base plate of the first and second embodiments of the present application;
FIG. 5 is a schematic view of the installation of the gear sleeve and wear resistant square lattice unit of the first and second embodiments of the present application;
FIG. 6 is a top view of a tooth post, base plate and wing plate of the first and second embodiments of the present application;
FIG. 7 is a side view of a tooth post, base plate and wing plate of the first and second embodiments of the present application;
FIG. 8 is an enlarged schematic view of the first and second embodiments of the present application at A in FIG. 7
FIG. 9 is a schematic diagram showing steps of S2 in the processing in the first and second embodiments of the present application;
FIG. 10 is a schematic diagram showing the steps of S3 in the processing in the first and second embodiments of the present application;
FIG. 11 is a schematic diagram showing the steps of S4 in the processing in the first and second embodiments of the present application;
FIG. 12 is a schematic view of the operation of the preformed spring strips of the first and second embodiments of the present application;
fig. 13 is a schematic view of a tooth post and a circular table according to a second embodiment of the present application.
The reference numerals in the figures illustrate:
1. a tooth sleeve; 11. wear-resistant square grid units; 111. a bar-shaped groove; 112. a high temperature resistant and wear resistant alloy layer; 113. prefabricating spring strips; 2. tooth columns; 21. a base plate; 22. and a wing plate.
Detailed Description
The following describes 2 embodiments of the present application in detail with reference to the accompanying drawings.
First embodiment:
fig. 1-12 show a split crushing tooth for steel slag crushing, including tooth cover 1 and top gomphosis connect at the inside tooth post 2 of tooth cover 1, tooth post 2 has cup jointed base plate 21 near the surface of bottom, the pterygoid lamina 22 is installed around the bottom surface equidistance of base plate 21, wear-resisting square unit 11 is installed on the top outside on tooth cover 1 surface, wear-resisting square unit 11 is including the bar groove 111 that vertically and horizontally arranged, and the bar groove 111 that vertically and horizontally arranged forms the metal square, the inside of metal square is filled with high temperature resistant wear-resisting alloy layer 112, and high temperature resistant wear-resisting alloy layer 112 thickness is 8cm, the inside that tooth cover 1 is close to the bottom and the inside of base plate 21 all are equipped with the screw of equidiameter, and the inside screw of tooth cover 1 and the inside screw of base plate 21 are located same axis.
Specifically, through bolt bolting, the tooth post 2 and the tooth sleeve 1 can be detachably connected together, so that the tooth sleeve 1 can be directly replaced after the tip of the tooth sleeve 1 is damaged, the tooth post 2 is not required to be replaced, the material waste problem can be reduced, and the replacement and updating process can be simplified;
the high-temperature-resistant and wear-resistant alloy layer 112 is arranged, so that the tip end part of the tooth sleeve 1 is transformed during working of the crushing tooth, and the crushing tooth has the characteristics of high temperature resistance and wear resistance, so that the service life of the tooth sleeve 1 is prolonged, and the replacement time is prolonged.
The hardness value of the high-temperature-resistant and wear-resistant alloy layer 112 is HRC not less than 58-62, and the casting parent metal of the tooth sleeve 1 is common 35# cast steel.
Specifically, the high-temperature-resistant and wear-resistant alloy layer 112 has a higher hardness value, and can be suitable for friction crushing operation of steel slag at about 1400 ℃;
in addition, the common 35# cast steel is adopted for casting the tooth sleeve 1, so that the problems of wear resistance on the surface of the tooth sleeve 1 and processing of an inner hole of the tooth sleeve 1 are solved, and the service life of the improved tooth sleeve 1 can reach more than 3 times of that of an original product through testing, so that a series of cost for product maintenance and replacement is greatly reduced.
The surface of the bar-shaped groove 111 is coated with a heat insulating coating, and the bar-shaped groove 111 is made of silicon carbide material.
In particular, the thermal barrier coating is designed such that the strip grooves 111, in operation, protect the interior preformed spring strips 113.
The position of the tooth column 2 close to the top end is designed as a round table, and a rubber layer is adhered to the inside of the tooth sleeve 1.
Specifically, the design of the rubber layer makes the tooth post 2 strengthen the friction connection effect with the inner wall of the tooth sleeve 1 when the tooth post 2 is embedded and plugged into the tooth sleeve 1, and further makes the bolted tooth post 2 and the tooth sleeve 1 have more stable connection effect.
The inside of the strip-shaped groove 111 is provided with a round hole, a prefabricated spring strip 113 is placed in the round hole, and the end part of the prefabricated spring strip 113 is in contact with the surface of the high-temperature-resistant and wear-resistant alloy layer 112.
Specifically, when the high temperature resistant and wear resistant alloy layer 112 is cracked in the working process, steel slag scraps can enter the cracks to damage the integrity of the high temperature resistant and wear resistant alloy layer 112, and under the action of the follow-up dust removing water mist, the welding layer on the surface of the high temperature resistant and wear resistant alloy layer 112 and the tooth sleeve 1 is affected, so that the high temperature resistant and wear resistant alloy layer 112 is easy to fall off, and therefore the prefabricated spring strips 113 are designed, when the high temperature resistant and wear resistant alloy layer 112 is cracked, the prefabricated spring strips 113 in a compressed energy storage state are relaxed, and then the high temperature resistant and wear resistant alloy layer 112 in a cracked state is subjected to pressing treatment, so that the crack gap is reduced, and the follow-up high temperature resistant and wear resistant alloy layer 112 is prevented from falling off.
A processing technology of split crushing teeth for crushing steel slag comprises the following steps:
s1, longitudinally and longitudinally welding strip-shaped grooves 111 on four outer surfaces, close to the top end, of the tooth sleeve 1 to form metal grids;
s2, overlaying the high-temperature-resistant and wear-resistant alloy material in the metal square to form a high-temperature-resistant and wear-resistant alloy layer 112, and then trimming and flattening the surface of the high-temperature-resistant and wear-resistant alloy layer 112 to enable the high-temperature-resistant and wear-resistant alloy layer 112 to be flush with the surface of the strip-shaped groove 111;
s3, drilling on the inner wall of the strip-shaped groove 111 to form round holes, wherein the round holes are distributed around the high-temperature-resistant and wear-resistant alloy layer 112;
s4, placing the prefabricated spring strips 113 with the initial length value larger than the section width value of the strip-shaped grooves 111 into round holes, and extruding the ends of the prefabricated spring strips 113 by utilizing the high-temperature-resistant and wear-resistant alloy layers 112 and the interiors of the strip-shaped grooves 111;
s5, sealing the surface of the strip-shaped groove 111;
s6, welding the wing plate 22 to the surface of the tooth post 2, then embedding the tooth post 2 into the tooth sleeve 1, and bolting the base plate 21 and the tooth sleeve 1 by using bolts to form broken teeth.
The diameter of the round hole in S3 is equal to the diameter of the prefabricated spring strip 113, and the inner wall of one side of the outermost strip-shaped groove 111 far away from the high-temperature-resistant and wear-resistant alloy layer 112 is not provided with a round hole.
Specifically, the outer inner wall of the outermost strip-shaped groove 111 is not provided with a circular hole, so that the outer inner wall inside the outermost strip-shaped groove 111 is in extrusion contact with the end of the prefabricated spring strip 113, and further the extrusion bonding effect is achieved on the high-temperature-resistant and wear-resistant alloy layer 112 after the inner side is split.
The top end of the wing plate 22 in the S6 is designed to be a slope, the slope of the wing plate 22 is 3 degrees, the lowest position of the top end of the wing plate 22 in the S6 is higher than the top end position of the tooth column 2, and the lowest position of the top end of the wing plate 22 is higher than the top end position of the tooth column 2.
Specifically, because the top end of the tooth post is required to be welded to the surface of the roller during welding, the welded contact surface is arc-shaped, and the top end of the wing plate 22 is designed to be a slope and is in height difference with the top end of the tooth post 2, the top end of the wing plate 22 can be in more full contact with the surface of the roller during welding.
Second embodiment:
fig. 13 shows that the same or corresponding parts as those in embodiment 1 are denoted by the same reference numerals as those in embodiment 1, and only the points of distinction from embodiment 1 will be described below for the sake of brevity. This 2 nd embodiment differs from the 1 st embodiment in that: and S6, the top end of the tooth column 2 is designed as a round platform seat, and the diameter of the circle center of the round platform seat is smaller than that of the top end of the tooth column 2.
Specifically, for strengthening the welding effect between tooth post 2 and the roller, prevent that tooth post 2 from coming off in the course of the work, so need before welding tooth post 2 and roller, offered on the surface of roller with tooth post 2 tip circle pedestal assorted round hole, insert the round bench inside the round hole afterwards, carry out two-sided welding treatment between roller inner wall and the round bench, between roller outer wall and the top of tooth post 2, so when the weld layer drops between roller outer wall and the top of tooth post 2, tooth post 2 still keeps being connected with between the roller, strengthen the stability between the two.
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (9)
1. The utility model provides a broken with split type crushing tooth of slag, is including tooth cover (1) and top gomphosis connection tooth post (2) in tooth cover (1) inside, its characterized in that: the utility model discloses a tooth post, including tooth post (2), tooth post (2) are close to the surface of bottom and have cup jointed base plate (21), the bottom surface equidistance of base plate (21) is encircleed and is installed pterygoid lamina (22), wear-resisting square unit (11) are installed in the top outside on tooth post (1) surface, wear-resisting square unit (11) are including bar groove (111) of arranging vertically and horizontally, and bar groove (111) of arranging vertically and horizontally form the metal square, and the inside packing of metal square has high temperature resistant wear-resisting alloy layer (112), and the thickness of high temperature resistant wear-resisting alloy layer (112) is 8cm, the inside that tooth post (1) is close to the bottom and the inside of base plate (21) all are equipped with the screw of equidiameter, and the inside screw of tooth post (1) and base plate (21) inside screw are located same axis.
2. The split crushing tooth for crushing steel slag according to claim 1, wherein: the hardness value of the high-temperature-resistant wear-resistant alloy layer (112) is HRC not less than 58-62, and the casting parent metal of the tooth sleeve (1) is common 35# cast steel.
3. The split crushing tooth for crushing steel slag according to claim 1, wherein: the surface of the strip-shaped groove (111) is coated with a heat insulation coating, and the strip-shaped groove (111) is made of silicon carbide material.
4. The split crushing tooth for crushing steel slag according to claim 1, wherein: the tooth column (2) is designed as a round table at a position close to the top end, and a rubber layer is adhered to the inside of the tooth sleeve (1).
5. The split crushing tooth for crushing steel slag according to claim 1, wherein: the inside of bar groove (111) is equipped with the round hole, prefabricated spring strip (113) have been placed to the inside of round hole, and the tip and the surface contact of high temperature resistant wear-resisting alloy layer (112) of prefabricated spring strip (113).
6. A process for machining split crushing teeth for crushing steel slag according to claim 5, comprising the following steps:
s1, vertically and horizontally welding strip-shaped grooves (111) on four outer surfaces, close to the top end, of the tooth sleeve (1) to form metal squares;
s2, overlaying a high-temperature-resistant and wear-resistant alloy layer (112) in the metal square by using a high-temperature-resistant and wear-resistant alloy material, and then trimming and flattening the surface of the high-temperature-resistant and wear-resistant alloy layer (112) to enable the high-temperature-resistant and wear-resistant alloy layer (112) to be flush with the surface of the strip-shaped groove (111);
s3, drilling the inner wall of the strip-shaped groove (111) to form round holes, wherein the round holes are distributed around the high-temperature-resistant and wear-resistant alloy layer (112);
s4, placing a prefabricated spring strip (113) with an initial length value larger than the section width value of the strip-shaped groove (111) into the round hole, and extruding the end part of the prefabricated spring strip (113) by utilizing the high-temperature-resistant and wear-resistant alloy layer (112) and the inside of the strip-shaped groove (111);
s5, sealing the surface of the strip-shaped groove (111);
s6, welding the wing plates (22) to the surface of the tooth post (2), then inserting the tooth post (2) into the tooth sleeve (1) in a jogged mode, and bolting the base plate (21) and the tooth sleeve (1) by using bolts to form broken teeth.
7. The processing technology of the split crushing tooth for crushing steel slag, as claimed in claim 6, is characterized in that: the diameter of the round hole in the S3 is equal to the diameter of the prefabricated spring strip (113), and the inner wall of one side, far away from the high-temperature-resistant and wear-resistant alloy layer (112), of the outermost side strip-shaped groove (111) is not provided with a round hole.
8. The processing technology of the split crushing tooth for crushing steel slag, as claimed in claim 6, is characterized in that: the top of the wing plate (22) in the S6 is designed as a slope, the slope of the wing plate (22) is 3 degrees, the lowest position of the top of the wing plate (22) in the S6 is higher than the top position of the tooth column (2), and the lowest position of the top of the wing plate (22) is higher than the top position of the tooth column (2).
9. The processing technology of the split crushing tooth for crushing steel slag, as claimed in claim 6, is characterized in that: the top end of the tooth column (2) in the S6 is designed as a round platform seat, and the diameter of the circle center of the round platform seat is smaller than that of the top end of the tooth column (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311631819.3A CN117358359B (en) | 2023-12-01 | 2023-12-01 | Split crushing tooth for crushing steel slag and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311631819.3A CN117358359B (en) | 2023-12-01 | 2023-12-01 | Split crushing tooth for crushing steel slag and processing technology thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117358359A CN117358359A (en) | 2024-01-09 |
| CN117358359B true CN117358359B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311631819.3A Active CN117358359B (en) | 2023-12-01 | 2023-12-01 | Split crushing tooth for crushing steel slag and processing technology thereof |
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| WO1996005005A1 (en) * | 1994-08-17 | 1996-02-22 | Magotteaux International S.A. | Bimetal foundery part used as a wear part in vertical crushers, fabrication method and utilisation in vertical crushers |
| CN213016364U (en) * | 2020-09-15 | 2021-04-20 | 长沙天鹏金属制品有限公司 | High-strength rotary digging tooth |
| CN214346816U (en) * | 2020-12-22 | 2021-10-08 | 中冶节能环保有限责任公司 | Tooth for crushing molten steel slag |
| CN214487102U (en) * | 2021-01-16 | 2021-10-26 | 江苏羚羊机械有限公司 | Detachable double-geared roller crusher crushing gear roller |
| CN219745005U (en) * | 2023-04-21 | 2023-09-26 | 沈阳塞克西机电设备有限公司 | Split hammer of crusher |
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2023
- 2023-12-01 CN CN202311631819.3A patent/CN117358359B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996005005A1 (en) * | 1994-08-17 | 1996-02-22 | Magotteaux International S.A. | Bimetal foundery part used as a wear part in vertical crushers, fabrication method and utilisation in vertical crushers |
| CN213016364U (en) * | 2020-09-15 | 2021-04-20 | 长沙天鹏金属制品有限公司 | High-strength rotary digging tooth |
| CN214346816U (en) * | 2020-12-22 | 2021-10-08 | 中冶节能环保有限责任公司 | Tooth for crushing molten steel slag |
| CN214487102U (en) * | 2021-01-16 | 2021-10-26 | 江苏羚羊机械有限公司 | Detachable double-geared roller crusher crushing gear roller |
| CN219745005U (en) * | 2023-04-21 | 2023-09-26 | 沈阳塞克西机电设备有限公司 | Split hammer of crusher |
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| CN117358359A (en) | 2024-01-09 |
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