CN113663778A - Novel roller crusher middle roller with structure - Google Patents
Novel roller crusher middle roller with structure Download PDFInfo
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- CN113663778A CN113663778A CN202110959204.8A CN202110959204A CN113663778A CN 113663778 A CN113663778 A CN 113663778A CN 202110959204 A CN202110959204 A CN 202110959204A CN 113663778 A CN113663778 A CN 113663778A
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- roller
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- middle roller
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- hard alloy
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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
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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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
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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
- B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
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- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a roller crusher middle roller with a novel structure, which comprises a middle roller body, wherein a middle roller sleeve is sleeved on the outer surface of the middle roller body, and hard alloy is embedded in the working surface of the middle roller sleeve; the two ends of the middle roller body are fixedly connected with rotating shafts. This put roller in novel structure roller crusher, cooperation through putting roller shell and carbide in sets up, the in-process carbide that uses directly participates in the breakage of material, the life of putting the roller in has greatly been improved, greatly reduced use cost, realize the metallurgical combination of steel bond carbide and parent metal through the imbedding technology, the risk that falls off is broken away from to having reduced steel bond carbide, the not wear-resisting condition of parent metal has been improved, in addition put the roller shell in the space of the fine material packing between wear-resisting material that produces in the grinding process, form natural material lining protective layer, the degree of wear of large granule material to the roll surface has been alleviateed, the very big life who puts the roller in having increased.
Description
Technical Field
The invention relates to the technical field of clinker crushing equipment, in particular to a roller-type crusher middle roller with a novel structure.
Background
The cement clinker is prepared with limestone, clay and iron material as main material and through mixing in proper proportion to form raw material, burning to melt partially or completely and cooling to obtain semi-finished product. In the cement industry, the most commonly used portland cement clinker has the major chemical components calcium oxide, silica and minor amounts of alumina and iron oxide. In the cement production process, cement clinker needs to be crushed to prepare ash, a crusher is generally used for crushing the cement clinker, and a hammer crusher and a roller crusher are commonly used, so that the functions of the hammer crusher and the roller crusher are very important. In the last two decades, roller clinker crushers gradually replace hammer type crushed clinker crushers due to the technical advantages of strong adaptability, strong fault resistance, simple maintenance, ultra-low abrasion and the like. The surface of the roller body of the centrally-mounted roller is easy to wear and lose efficacy due to rigid pressurization and damage to the roller surface caused by impact when materials fall, and an effective solution is not available at present.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the roller-type crusher middle roller with a novel structure, which has the advantages of small abrasion loss and the like and solves the problems.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a roller-type crusher middle roller with a novel structure comprises a middle roller body, wherein a middle roller sleeve is sleeved on the outer surface of the middle roller body, and hard alloy is cast on the working surface of the middle roller sleeve in an embedding manner; the two ends of the middle roller body are fixedly connected with rotating shafts, the two ends of the middle roller body are provided with mounting plates, a buffering mechanism is arranged in the mounting plates, and the rotating shafts are inserted in the mounting plates; the upper surface of the mounting plate is fixedly connected with a protective vertical plate, a furling plate is arranged above the protective vertical plate, a buffer plate is fixedly connected to the side wall of the inner surface of the furling plate, feed inlets are formed in the two sides, located on the buffer plate, of the furling plate, a supporting bottom plate is fixedly connected to the lower portion, located on the feed inlets, of the inner surface of the furling plate, a shock-absorbing rod is fixedly connected to the upper surface of the supporting bottom plate, a blanking plate is fixedly connected to the top of the shock-absorbing rod, a lower baffle is fixedly connected to the side wall of the inner surface of the protective vertical plate, and the position of the lower baffle corresponds to the position of the blanking plate.
Preferably, the roll sleeve of the middle roller is formed by casting, and the hard alloy is distributed on the surface of the roll teeth of the middle roller.
Preferably, the hard alloy is steel-bonded hard alloy, preferably TiC-based steel-bonded hard alloy, the hardness of the hard alloy is not less than 50HRC, the surface of the hard alloy is not provided with a notch, the diameter of the hard alloy is 12-26mm, the length of the hard alloy is 20-50mm, the setting clearance of the hard alloy is 5-15mm, and the height of the hard alloy protruding out of the roller sleeve of the centrally-mounted roller is less than 5 mm.
Preferably, a guide sliding groove is formed in the side wall of the inner surface of the furling plate, a guide sliding block is fixedly connected to one end of the blanking plate, the guide sliding block is connected to the inside of the guide sliding groove in a sliding mode, the blanking plate is arranged in an inclined mode, and the bottom of the blanking plate points to the crushing position.
Preferably, buffer gear includes the sliding installation groove, fixedly connected with pressure spring on the lateral wall of sliding installation groove internal surface, pressure spring's the spacing seat of other end fixedly connected with.
Preferably, the side of the limiting seat is provided with a groove matched with the rotating shaft, the rotating shaft is inserted into the groove on the side of the limiting seat, and the outer surface of the rotating shaft is provided with a connecting bearing.
Preferably, the upper surface of the vertical protection plate is fixedly connected with a guide vertical rod, the lower surface of the furling plate is provided with a guide groove, the position of the guide groove is matched with the position of the guide vertical rod, and the guide groove and the guide vertical rod are in clearance fit.
Preferably, the side of the mounting plate is provided with an insertion groove, a linkage rod is inserted in the insertion groove, one end of the linkage rod is fixedly connected to the side of the limiting seat, and the other end of the linkage rod is provided with a transmission support plate.
Preferably, the upper surface of the buffer plate is in an arc shape, two ends of the buffer plate are fixedly connected to the side wall of the inner surface of the furling plate, and a certain distance is kept between the other two ends of the buffer plate and the side wall of the inner surface of the furling plate.
(III) advantageous effects
Compared with the prior art, the invention provides the roller-type crusher middle roller with the novel structure, which has the following beneficial effects:
1. the roller with the novel structure is arranged by matching the hard alloy with the roller sleeve of the roller with the middle roller. Compare traditional casting or build-up welding wear-resisting protection, this novel structure is put roller and is directly participated in the material breakage with carbide in the use, has greatly improved the wearability and the life of putting the roller in, has reduced use cost. Although the WC hard alloy and the base material are bonded in an adhesive mode and are applied to wear-resistant protection on equipment such as a roller press, the working temperature of the middle roller is about 800-1000 ℃, and the WC hard alloy falls off due to carbonization failure of glue under the high-temperature working condition, so that the service life of the equipment is influenced. According to the technology, the metallurgical bonding of the hard alloy and the parent metal is realized through a casting process, the risk of the hard alloy falling off is reduced, and meanwhile, the high-temperature-resistant and wear-resistant TiC steel bonded hard alloy is selected as a hard phase, so that the oxidation failure of the hard alloy in a high-temperature environment is avoided, and the stability of the equipment is improved. In addition, the fine materials generated in the grinding process of the roller sleeve of the middle-arranged roller are filled in the gap between the hard alloys, natural material lining protection is formed, the abrasion degree of large-particle materials to the roller surface is reduced, and the service life of the middle-arranged roller is greatly prolonged.
2. This put roller in novel structure roll crusher, through drawing in the board in, the buffer board, the blanking board, the cooperation setting of supporting baseplate and shock attenuation pole, the very big impact force that has cushioned material whereabouts in-process production in the use, avoid directly pounding behind the material free fall on putting the roller body in, the impact action is to the destruction of roll surface when avoiding the material whereabouts, setting through buffer gear, convert rigidity extrusion process into the elasticity extrusion in the in-process of using, can transfer it away when meetting the material that is difficult to the grinding, avoid causing too big damage to the surface of putting the roller shell in.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the construction of the inventive built-in roll shell;
FIG. 3 is a front cross-sectional structural view of the present invention;
FIG. 4 is a schematic cross-sectional structural view of a centrally-mounted roller shell of the present invention;
FIG. 5 is a front cross-sectional structural view of the furling plate of the present invention;
fig. 6 is a front sectional structural schematic view of the mounting plate of the present invention.
In the figure: 1. a middle roller body; 2. a roller sleeve of the middle roller is arranged; 3. hard alloy; 4. a rotating shaft; 5. mounting a plate; 6. a buffer mechanism; 601. a sliding mounting groove; 602. a compression spring; 603. a limiting seat; 7. a protective vertical plate; 8. folding the plate; 9. a buffer plate; 10. a feed inlet; 11. a support base plate; 12. a shock absorbing rod; 13. a blanking plate; 14. a lower baffle plate; 15. a guide chute; 16. a guide slider; 17. a guide vertical rod; 18. a guide groove; 19. inserting grooves; 20. a linkage rod; 21. the transmission backup pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a roller crusher middle roller with a novel structure comprises a middle roller body 1, a middle roller sleeve 2 is sleeved on the outer surface of the middle roller body 1, a hard alloy 3 is cast on the working surface of the middle roller sleeve 2, the middle roller sleeve is formed by casting, and the hard alloy is distributed on the surface of the teeth of the middle roller. The hard alloy 3 is a steel bond hard alloy, preferably a TiC-based steel bond hard alloy, the hardness of the hard alloy is not less than 50HRC, the surface of the hard alloy is not provided with a notch, the diameter of the hard alloy 3 is 12-26mm, the length of the hard alloy 3 is 20-50mm, the setting gap of the hard alloy 3 is 5-15mm, the height of the hard alloy 3 protruding out of the roller sleeve 2 of the middle roller is less than 5mm, and the hard alloy 3 and the roller sleeve 2 of the middle roller are matched to be arranged in the novel structure. Compare traditional casting or build-up welding wear-resisting protection, this novel structure is put roller and is directly participated in the material breakage with carbide 3 in the use, has greatly improved the wearability and the life of putting the roller in, has reduced use cost. The mode of carrying out wear-resistant protection by bonding WC hard alloy and base metal is applied to equipment such as a roller press, but the working temperature of the middle roller is about 800-1000 ℃, and the WC hard alloy is caused to fall off and lose efficacy due to carbonization failure of glue under the high-temperature working condition. According to the technology, the hard alloy 3 and the parent metal are metallurgically bonded through a casting process, the risk that the hard alloy 3 falls off is reduced, meanwhile, the high-temperature-resistant and wear-resistant TiC steel bonded hard alloy is selected as a hard phase, the hard alloy 3 is prevented from being oxidized and losing efficacy in a high-temperature environment, the stability of equipment is improved, in addition, fine materials generated in the grinding process of the roller sleeve 2 of the middle roller are filled in gaps among the hard alloys, natural material lining protection is formed, the wear degree of large-particle materials to the roller surface is reduced, and the service life of the middle roller is greatly prolonged; the two ends of the middle roller body 1 are fixedly connected with rotating shafts 4, the two ends of the middle roller body 1 are provided with mounting plates 5, a buffer mechanism 6 is arranged in each mounting plate 5, each buffer mechanism 6 comprises a sliding mounting groove 601, a compression spring 602 is fixedly connected to the side wall of the inner surface of each sliding mounting groove 601, the other end of each compression spring 602 is fixedly connected with a limiting seat 603, a groove matched with each rotating shaft 4 is formed in the side surface of each limiting seat 603, each rotating shaft 4 is inserted into the groove in the side surface of each limiting seat 603, a connecting bearing is arranged on the outer surface of each rotating shaft 4, an inserting groove 19 is formed in the side surface of each mounting plate 5, a linkage rod 20 is inserted into each inserting groove 19, one end of each linkage rod 20 is fixedly connected to the side surface of each limiting seat 603, a transmission support plate 21 is arranged at the other end of each linkage rod 20, and each rotating shaft 4 is inserted into each mounting plate 5; the upper surface of the mounting plate 5 is fixedly connected with a protective vertical plate 7, a folding plate 8 is arranged above the protective vertical plate 7, the upper surface of the protective vertical plate 7 is fixedly connected with a guide vertical rod 17, the lower surface of the folding plate 8 is provided with a guide groove 18, the position of the guide groove 18 is matched with the position of the guide vertical rod 17 and is in clearance fit with the guide vertical rod, the side wall of the inner surface of the folding plate 8 is fixedly connected with a buffer plate 9, the upper surface of the buffer plate 9 is in an arc shape, two ends of the buffer plate 9 are fixedly connected with the side wall of the inner surface of the folding plate 8, the other two ends of the buffer plate 9 keep a certain distance with the side wall of the inner surface of the folding plate 8, the inner part of the folding plate 8 is positioned at two sides of the buffer plate 9 and is provided with a feeding hole 10, the inner surface of the folding plate 8 is positioned below the feeding hole 10 and is fixedly connected with a support bottom plate 11, the upper surface of the support bottom plate 11 is fixedly connected with a shock-absorbing rod 12, the top of the shock-absorbing rod 12 is fixedly connected with a blanking plate 13, the side wall of the inner surface of the furling plate 8 is provided with a guide chute 15, one end of the blanking plate 13 is fixedly connected with a guide slide block 16, the guide slide block 16 is connected inside the guide chute 15 in a sliding way, the blanking plate 13 is arranged in an inclined way, the bottom of the blanking plate 13 points to a crushing position, the side wall of the inner surface of the protective vertical plate 7 is fixedly connected with a lower baffle 14, the position of the lower baffle 14 corresponds to the position of the blanking plate 13, the impact force generated in the falling process of the material is greatly buffered in the using process through the matching arrangement of the furling plate 8, the buffer plate 9, the blanking plate 13, the supporting bottom plate 11 and the shock-absorbing rod 12, the impact force generated in the falling process of the material is greatly buffered, the material is prevented from falling on the centrally-mounted roller body 1 after falling freely, the damage of the impact action to the roller surface when the material falls is avoided, the rigid extrusion process is converted into elastic extrusion process in the using process, and the material which is difficult to grind can be transferred out when the material is encountered, and excessive damage to the surface of the roller sleeve 2 of the middle roller is avoided.
When in use, the hard alloy 3 is fixed in a casting mold of the roller sleeve 2 of the middle roller according to a design drawing, then molten steel after smelting is cast and molded, after cooling and solidification, the hard alloy 3 and a cast base metal are tightly combined into a whole, so that the roller sleeve 2 of the middle roller and the hard alloy 3 are tightly combined together to reduce the difficulty of falling off of the hard alloy 3, fine materials generated in the grinding process of a roller body are filled in gaps among wear-resistant materials to form a natural material lining protective layer, the abrasion degree of large-particle materials to the roller surface is reduced, the materials firstly enter a furling plate 8 and then fall on a buffer plate 9 in the falling process, at the moment, the falling impact force is firstly buffered, then shunted from two sides of the buffer plate 9 and falls on a falling plate 13 after passing through feed inlets 10 on two sides, at the moment, the falling impact force is secondarily buffered through a shock absorption rod 12, afterwards, the material slides to the grinding position along the blanking plate 13 and is ground by the roller sleeve 2 arranged in the middle, when the material is mixed with hard materials, the materials are clamped between the two roller sleeves 2 arranged in the middle, the roller body is pushed away towards two sides, and then the material passes through the grinding position, the compression spring 602 pushes the limiting seat 603 to reset, so that the roller body is restored to the original position, the roller body can push the limiting seat 603 to move synchronously in the moving process, so that the linkage rod 20 drives the transmission support plate 21 to move synchronously therewith, the transmission mechanism arranged on the transmission support plate 21 is ensured to keep the same relative position with the rotating shaft 4 all the time, the transmission effect is ensured, and the specific shape of the transmission support plate 21 is set according to the actual transmission requirement.
To sum up, the roller in the novel structure is arranged by matching the hard alloy 3 with the roller sleeve 2 of the roller in the novel structure. Compare traditional casting or build-up welding wear-resisting protection, this novel structure is put roller and is directly participated in the material breakage with carbide 3 in the use, has greatly improved the wearability and the life of putting the roller in, has reduced use cost. The mode of carrying out wear-resistant protection by bonding WC hard alloy and base metal is applied to equipment such as a roller press, but the working temperature of the middle roller is about 800-1000 ℃, and the WC hard alloy is caused to fall off and lose efficacy due to carbonization failure of glue under the high-temperature working condition. The technology realizes metallurgical bonding of the hard alloy 3 and the parent metal through a casting process, reduces the risk of falling off of the hard alloy 3, simultaneously selects high-temperature-resistant and wear-resistant TiC steel bonded hard alloy as a hard phase, avoids oxidation failure of the hard alloy 3 in a high-temperature environment, improves the stability of equipment, in addition, fine materials generated in the grinding process of the roller sleeve 2 of the middle roller are filled in gaps among the hard alloys to form natural material lining protection, reduces the wear degree of large-particle materials to the roller surface, greatly prolongs the service life of the middle roller, greatly buffers the impact force generated in the falling process of the materials through the matching arrangement of the furling plate 8, the buffer plate 9, the blanking plate 13, the supporting bottom plate 11 and the shock-absorbing rod 12 in the using process, directly smashes the materials on the body 1 of the middle roller after the materials fall freely, and avoids the damage of the impact action to the roller surface when the materials fall, through buffer gear 6's setting, convert rigidity extrusion process into the elasticity extrusion in the in-process of using, can transfer it away when meetting the material that is difficult to the grinding, avoid causing too big damage to the surface of putting roller shell 2 in.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a put roller in novel structure roller crusher, includes and puts roller body (1), its characterized in that: the outer surface of the middle roller body ((1) is sleeved with a middle roller sleeve (2), a hard alloy (3) is cast on the working surface of the middle roller sleeve (2), two ends of the middle roller body (1) are fixedly connected with rotating shafts (4), two ends of the middle roller body (1) are provided with mounting plates (5), the mounting plates (5) are internally provided with buffer mechanisms (6), the rotating shafts (4) are inserted in the mounting plates (5), the upper surface of the mounting plates (5) is fixedly connected with a protective vertical plate (7), a furling plate (8) is arranged above the protective vertical plate (7), the side wall of the inner surface of the furling plate (8) is fixedly connected with a buffer plate (9), the inner part of the furling plate (8) is positioned at two sides of the buffer plate (9) and is provided with feed inlets (10), and the inner surface of the furling plate (8) is positioned below the feed inlets (10) and is fixedly connected with a support bottom plate (11), the upper surface of the supporting base plate (11) is fixedly connected with a shock absorbing rod (12), the top of the shock absorbing rod (12) is fixedly connected with a blanking plate (13), the inner surface side wall of the protective vertical plate (7) is fixedly connected with a lower baffle plate (14), and the position of the lower baffle plate (14) corresponds to the position of the blanking plate (13).
2. The middle roller of a novel structure roller crusher according to claim 1, characterized in that: the roll sleeve (2) of the middle roller is formed by casting, and the hard alloy (3) is distributed on the surface of the roll teeth of the middle roller.
3. The middle roller of a novel structure roller crusher according to claim 1, characterized in that: the hard alloy (3) is a steel bonded hard alloy, preferably a TiC-based steel bonded hard alloy, the hardness of the hard alloy is not less than 50HRC, the diameter of the hard alloy (3) is 12-26mm, the length of the hard alloy is 20-50mm, the surface gap of the hard alloy (3) on the roller tooth of the centrally-mounted roller is set to be 5-15mm, and the height of the hard alloy (3) protruding out of a base metal of a working surface is required to be less than 5 mm.
4. The middle roller of a novel structure roller crusher according to claim 1, characterized in that: the side wall of the inner surface of the furling plate (8) is provided with a guide sliding groove (15), one end of the blanking plate (13) is fixedly connected with a guide sliding block (16), the guide sliding block (16) is connected inside the guide sliding groove (15) in a sliding mode, the blanking plate (13) is arranged in an inclined mode, and the bottom of the blanking plate (13) points to a crushing position.
5. The middle roller of a novel structure roller crusher according to claim 1, characterized in that: buffer gear (6) are including slip mounting groove (601), fixedly connected with pressure spring (602) on the lateral wall of slip mounting groove (601) internal surface, the spacing seat of other end fixedly connected with (603) of pressure spring (602).
6. The middle roller of a novel structure roller crusher according to claim 5, characterized in that: the side of the limiting seat (603) is provided with a groove matched with the rotating shaft (4), the rotating shaft (4) is inserted into the groove on the side of the limiting seat (603), and the outer surface of the rotating shaft (4) is provided with a connecting bearing.
7. The middle roller of a novel structure roller crusher according to claim 1, characterized in that: the upper surface of the protective vertical plate (7) is fixedly connected with a guide vertical rod (17), the lower surface of the furling plate (8) is provided with a guide groove (18), the position of the guide groove (18) is matched with the position of the guide vertical rod (17), and the guide groove and the guide vertical rod are in clearance fit.
8. The middle roller of a novel structure roller crusher according to claim 5, characterized in that: the side of mounting panel (5) is equipped with inserting groove (19), peg graft in inserting groove (19) has trace (20), the one end fixed connection of trace (20) is in the side of spacing seat (603), the other end of trace (20) is equipped with transmission backup pad (21).
9. The middle roller of a novel structure roller crusher according to claim 1, characterized in that: the upper surface of the buffer plate (9) is arc-shaped, two ends of the buffer plate (9) are fixedly connected to the side wall of the inner surface of the furling plate (8), and a certain distance is kept between the other two ends of the buffer plate (9) and the side wall of the inner surface of the furling plate (8).
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| CN202110959204.8A CN113663778A (en) | 2021-08-20 | 2021-08-20 | Novel roller crusher middle roller with structure |
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| CN202110959204.8A CN113663778A (en) | 2021-08-20 | 2021-08-20 | Novel roller crusher middle roller with structure |
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| CN213700051U (en) * | 2020-09-30 | 2021-07-16 | 西峡县皓天冶金辅料有限公司 | Fluorite rolls rubbing crusher |
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