CN115155741A - Medium speed pulverizer ceramic metal composite grinding roller - Google Patents
Medium speed pulverizer ceramic metal composite grinding roller Download PDFInfo
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- CN115155741A CN115155741A CN202210670769.9A CN202210670769A CN115155741A CN 115155741 A CN115155741 A CN 115155741A CN 202210670769 A CN202210670769 A CN 202210670769A CN 115155741 A CN115155741 A CN 115155741A
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- roller
- metal composite
- grinding roller
- oil
- medium speed
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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
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/004—Shape or construction of rollers or balls
- B02C15/005—Rollers or balls of composite construction
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Abstract
The invention discloses a ceramic metal composite grinding roller of a medium-speed coal mill, which relates to the field of coal processing and comprises a base body, wherein a roller ring is arranged on the base body, a plurality of roller leather blocks are arranged on the outer wall of the roller ring, mounting blocks are arranged on the roller leather blocks, through holes are formed in the base body and the roller ring, a lubricating assembly is arranged on the roller ring and comprises an oil injection port and an oil through cavity, a connecting shaft is arranged inside the oil injection port, a rotating blade is arranged on the outer wall of the connecting shaft, and a positioning assembly is arranged in the roller ring. According to the invention, the lubricating component is arranged, when the surface of the reinforcing member needs to be lubricated, a user can inject lubricating oil into the oil injection port, the rotating blade can rotate after being impacted by the lubricating oil, the lubricating oil enters the oil through cavity through the oil injection port and then flows into the through hole through the oil through cavity, so that the reinforcing member is lubricated, the surface of the reinforcing member can be prevented from rusting, the nut can be screwed out of the reinforcing member, and the subsequent dismounting efficiency of the nut is improved.
Description
Technical Field
The invention relates to the field of coal processing, in particular to a ceramic-metal composite grinding roller of a medium-speed coal mill.
Background
The coal mill is one of the important equipment of thermal power factory, and grinding roller and welt are the key core component of coal mill, and the quality of its quality is good and bad, and especially wear resistance directly influences powder process efficiency, buggy quality, grinding roller consumption and manufacturing cost, and under the powder process operating mode condition, any grinding roller material all can have comparatively serious wearing and tearing in the past, and after wearing and tearing reach a certain limit, the grinding roller excircle undersize is scrapped, therefore needs the grinding roller that ceramic metal composite made to improve the life of grinding roller.
According to the Chinese patent with the publication number of CN207464177U, the invention discloses a ZGM type repairable metal ceramic composite grinding roller, the invention can prepare the high-wear-resistance composite grinding roller, the service life is longer, the repairability is realized, the manufacturing method of the grinding roller is simple, the processing period is short, and the cost is effectively reduced.
In view of the above-mentioned patent disclosure, the inventor believes that the nut is mounted on the reinforcement after the reinforcement is fixed to the base and the roller skin, and the reinforcement is exposed to the outside air for a long time, the surface of the reinforcement is prone to rust, so that the nut may be stuck on the reinforcement, the nut is difficult to unscrew subsequently, and the efficiency of assembling and disassembling the nut is reduced.
Disclosure of Invention
Based on the above, the invention aims to provide a ceramic-metal composite grinding roller of a medium-speed coal mill, which is used for solving the technical problem that a nut is possibly blocked on a reinforcing member due to the fact that the surface of the reinforcing member is easy to rust.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a medium speed pulverizer ceramic metal composite grinding roller, includes the base member, be equipped with the collars on the base member, the outer wall of collars is equipped with a plurality of roller leather blocks, be equipped with the installation piece on the roller leather block, the through-hole has all been seted up on base member and the collars, be equipped with lubricated subassembly on the collars, lubricated subassembly includes oiling mouth and logical oily chamber, the inside of oiling mouth is provided with the connecting axle, the outer wall of connecting axle is installed and is changeed the leaf, be equipped with locating component in the collars.
Through adopting above-mentioned technical scheme, the setting of through-hole to penetrate inside it with the reinforcement, it rotates to change leaf accessible connecting axle simultaneously, and the roller skin piece has high wearability.
Further, the locating component is including offering cavity, recess and the constant head tank in the collars inside, the inside of cavity is fixed with the spring, the one end of spring is connected with the location lug that extends to the constant head tank inside, be connected with the moving part on the location lug, one side of moving part is connected with the slider.
Through adopting above-mentioned technical scheme, when the reinforcement immigrated to base member and roller intra-annular, the reinforcement can promote the location lug, can move into to the inside of cavity behind the location lug atress.
Further, the slider is located the inside of recess, the moving part passes through slider and recess sliding connection.
Through adopting above-mentioned technical scheme, can drive the slider removal when the moving part removes simultaneously to the slider slides in recess inside.
Furthermore, the positioning lug is matched with the positioning groove, and the movable piece is positioned in the spring.
Through adopting above-mentioned technical scheme to the location lug immigration is to the constant head tank inside, thereby can be spacing to the reinforcement.
Furthermore, the rotating blades are multiple and are in rotating connection with the roller ring through connecting shafts.
Through adopting above-mentioned technical scheme, change the leaf accessible connecting axle and rotate, change the leaf simultaneously and can block up oiling mouthful, prevent that outside impurity from entering into to oiling mouthful inside.
Furthermore, the oil through cavity is respectively communicated with the oil injection port and the through hole, and the oil through cavity is annular.
Through adopting above-mentioned technical scheme, lubricating oil accessible oiling mouth flows into to the inside that leads to the oil pocket, and then inside the rethread oil pocket flows into to the through-hole.
Furthermore, a reinforcing member is mounted on the mounting block, and the length of the reinforcing member is greater than the thickness of the roll collar.
Through adopting above-mentioned technical scheme, the reinforcement can be fixed on base member and the collars, and then improves the stability of base member and collars.
Furthermore, one end of the reinforcing piece passes through the through hole and is provided with a nut, and the roller leather block adopts 20-30 blocks.
Through adopting above-mentioned technical scheme, the nut so that it is fixed to the reinforcement locking, and then improves the steadiness of reinforcement.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, the lubricating component is arranged, when the surface of the reinforcing member needs to be lubricated, a user can inject lubricating oil into the oil injection port, the rotating blade can rotate after being impacted by the lubricating oil, the lubricating oil enters the oil through cavity through the oil injection port and then flows into the through hole through the oil through cavity, so that the reinforcing member is lubricated, the surface of the reinforcing member can be prevented from rusting, the nut can be screwed out of the reinforcing member, and the subsequent dismounting efficiency of the nut is improved;
2. according to the invention, through the arrangement of the positioning assembly, when the reinforcing member is moved into the base body and the roller ring, the reinforcing member pushes the positioning lug, the positioning lug is forced to move into the cavity, so that the spring is compressed, the positioning lug is completely moved into the cavity, the reinforcing member is completely moved into the base body and the roller ring, the positioning groove is aligned with the positioning lug, the spring recovers elasticity to further push the positioning lug to move, the positioning lug can be completely moved into the positioning groove to limit the reinforcing member, the reinforcing member is prevented from moving randomly, the stability of the reinforcing member is improved, and the nut is convenient to be screwed onto the reinforcing member.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic view of the overall front cross-section of the present invention;
FIG. 3 is a schematic perspective view of a substrate according to the present invention;
fig. 4 is an enlarged view of the invention at a in fig. 2.
In the figure: 1. a substrate; 2. a roll collar; 3. rolling a leather block; 4. a reinforcement; 5. mounting a block; 6. a nut; 7. a through hole; 8. a lubrication assembly; 801. an oil filling port; 802. rotating the leaves; 803. a connecting shaft; 804. an oil cavity is communicated; 9. a positioning assembly; 901. a cavity; 902. a spring; 903. a movable member; 904. positioning the bump; 905. positioning a groove; 906. a groove; 907. a slide block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
The utility model provides a medium speed pulverizer ceramic metal composite grinding roller, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, including base member 1, base member 1 adopts ordinary cast steel to make and forms, easy processing, and is with low costs, be equipped with collars 2 on the base member 1, the outer wall of collars 2 is equipped with a plurality of roller leather blocks 3, roller leather block 3 has high wear resistance, be equipped with installation piece 5 on the roller leather block 3, through-hole 7 has all been seted up on base member 1 and the collars 2, through-hole 7 position and the one-to-one correspondence of roller leather block 3 position to fixed a position is to roller leather block 3, be equipped with lubricated subassembly 8 on the collars 2, be equipped with locating component 9 in the collars 2.
Specifically, lubricated subassembly 8 includes oiling mouth 801 and leads to oily chamber 804, oiling mouth 801's inside is provided with connecting axle 803, the outer wall of connecting axle 803 is installed and is changeed leaf 802, lubricating oil accessible oiling mouth 801 flows in to the inside that leads to oily chamber 804, and then the rethread flows in to through-hole 7 inside through oil chamber 804, commentaries on classics leaf 802 rotates with collar 2 through connecting axle 803 and is connected, commentaries on classics leaf 802 contacts with oiling mouth 801, can shutoff oiling mouth 801, prevent that outside impurity from entering into to oiling mouth 801 inside, commentaries on classics leaf 802 accessible connecting axle 803 rotates, be convenient for commentaries on classics leaf 802 rotates.
Specifically, the positioning assembly 9 includes a cavity 901 disposed inside the roller ring 2, a groove 906 and a positioning groove 905, a spring 902 is fixed inside the cavity 901, one end of the spring 902 is connected with a positioning protrusion 904 extending into the positioning groove 905, the positioning protrusion 904 is matched with the positioning groove 905, the movable member 903 is located inside the spring 902, so that the positioning protrusion 904 moves into the positioning groove 905, thereby limiting the reinforcing member 4, the movable member 903 is connected on the positioning protrusion 904, when the reinforcing member 4 moves into the base 1 and the roller ring 2, the reinforcing member 4 pushes the positioning protrusion 904, the positioning protrusion 904 moves into the cavity 901 after being stressed, one side of the movable member 903 is connected with a slider 907, the slider 907 is located inside the groove 906, and the movable member 903 is slidably connected with the groove 906 through the slider 907.
Referring to fig. 1, fig. 2 and fig. 3, install reinforcement 4 on the installation piece 5, the length of reinforcement 4 is greater than the thickness of collars 2, reinforcement 4 can be fixed on base member 1 and collars 2, and then improve the stability of base member 1 and collars 2, through-hole 7 is passed through and nut 6 is installed to the one end of reinforcement 4, nut 6 and 4 threaded connection of reinforcement, nut 6 is so that fixed 4 locking of reinforcement, and then can improve the stability of base member 1 and collars 2, roller skin piece 3 adopts 20-30, also be convenient for when guaranteeing the compact linking up to restore.
The implementation principle of the embodiment is as follows: firstly, when the reinforcing member 4 moves into the base 1 and the roller ring 2, the reinforcing member 4 pushes the positioning protrusion 904, the positioning protrusion 904 is forced and then moves into the cavity 901, so that the spring 902 is compressed, the positioning protrusion 904 completely moves into the cavity 901, the reinforcing member 4 completely moves into the base 1 and the roller ring 2, the positioning groove 905 is aligned with the positioning protrusion 904, the spring 902 recovers elasticity and then pushes the positioning protrusion 904 to move, so that the positioning protrusion 904 can be completely moved into the positioning groove 905 to limit the reinforcing member 4, and the reinforcing member is prevented from moving randomly;
then the nut 6 is arranged on the reinforcing member 4 so as to lock the base body 1 and the roller ring 2;
when the surface of reinforcement 4 need lubricate, the user can pour into lubricating oil into the inside of oiling mouth 801 into, can take place to rotate this moment after commentaries on classics leaf 802 receives the impact of lubricating oil, and lubricating oil then enters into the inside that leads to oil cavity 804 through oiling mouth 801, and then inside the rethread flows into through-hole 7 through oil cavity 804 to 4 lubrication to the reinforcement, and then can prevent that reinforcement 4 surface from rustting, make nut 6 can follow reinforcement 4 and back-out.
Although embodiments of this invention have been shown and described, it is to be understood that such embodiments are merely illustrative of and not restrictive on the broad invention, and that any one or more of the described features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, and variations that do not materially contribute to the novel teachings of this invention may be made by those skilled in the art after reading this disclosure without departing from the principles and spirit of this invention, but within the scope of the appended claims.
Claims (8)
1. The utility model provides a medium speed pulverizer ceramic metal composite grinding roller, includes base member (1), its characterized in that: be equipped with collars (2) on base member (1), the outer wall of collars (2) is equipped with a plurality of roller leather blocks (3), be equipped with installation piece (5) on roller leather block (3), through-hole (7) have all been seted up on base member (1) and collars (2), be equipped with lubricated subassembly (8) on collars (2), lubricated subassembly (8) are including oiling mouth (801) and logical oily chamber (804), the inside of oiling mouth (801) is provided with connecting axle (803), commentaries on classics leaf (802) are installed to the outer wall of connecting axle (803), be equipped with locating component (9) in collars (2).
2. The ceramic-metal composite grinding roller of the medium speed coal mill according to claim 1, characterized in that: the positioning assembly (9) comprises a cavity (901), a groove (906) and a positioning groove (905) which are arranged inside the roller ring (2), a spring (902) is fixed inside the cavity (901), one end of the spring (902) is connected with a positioning lug (904) extending into the positioning groove (905), a movable piece (903) is connected onto the positioning lug (904), and a sliding block (907) is connected to one side of the movable piece (903).
3. The ceramic-metal composite grinding roller of the medium speed coal mill according to claim 2, characterized in that: the sliding block (907) is located inside the groove (906), and the movable piece (903) is connected with the groove (906) in a sliding mode through the sliding block (907).
4. The ceramic-metal composite grinding roller of the medium speed coal mill according to claim 2, characterized in that: the positioning lug (904) is matched with the positioning groove (905), and the movable piece (903) is positioned inside the spring (902).
5. The ceramic-metal composite grinding roller of the medium speed coal mill according to claim 1, characterized in that: the rotary blades (802) are multiple, and the rotary blades (802) are rotationally connected with the roll collar (2) through connecting shafts (803).
6. The ceramic-metal composite grinding roller of the medium speed coal mill according to claim 1, characterized in that: the oil through cavity (804) is respectively communicated with the oil filling port (801) and the through hole (7), and the oil through cavity (804) is annular.
7. The ceramic-metal composite grinding roller of the medium speed coal mill according to claim 1, characterized in that: and the mounting block (5) is provided with a reinforcing piece (4), and the length of the reinforcing piece (4) is greater than the thickness of the roll collar (2).
8. The ceramic-metal composite grinding roller for a medium speed coal mill according to claim 7, wherein: one end of the reinforcing member (4) passes through the through hole (7) and is provided with the nut (6), and the roller leather block (3) adopts 20-30 blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670769.9A CN115155741A (en) | 2022-06-15 | 2022-06-15 | Medium speed pulverizer ceramic metal composite grinding roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670769.9A CN115155741A (en) | 2022-06-15 | 2022-06-15 | Medium speed pulverizer ceramic metal composite grinding roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115155741A true CN115155741A (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210670769.9A Pending CN115155741A (en) | 2022-06-15 | 2022-06-15 | Medium speed pulverizer ceramic metal composite grinding roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115155741A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4538768A (en) * | 1983-04-27 | 1985-09-03 | Combustion Engineering, Inc. | Pulverizer journal bearing system |
| CN203475464U (en) * | 2013-08-05 | 2014-03-12 | 吴持跃 | Anti-rust lubrication underground device |
| CN206268255U (en) * | 2016-12-16 | 2017-06-20 | 惠安驰骏机械有限公司 | A kind of dust-proof anti-extrusion roller rotating shaft |
| CN207464177U (en) * | 2017-05-31 | 2018-06-08 | 南通高欣耐磨科技股份有限公司 | A kind of ZGM types can repair cermet composite grinding roll |
| CN109296804A (en) * | 2018-12-04 | 2019-02-01 | 雷纳德流体智能科技江苏股份有限公司 | A kind of Double-active-joint ball valve |
| CN208880326U (en) * | 2018-10-16 | 2019-05-21 | 昆山金蛋信息科技有限公司 | A kind of numerically-controlled machine tool monitoring device based on network monitoring |
| CN212441431U (en) * | 2020-06-03 | 2021-02-02 | 铜陵有色金属集团股份有限公司 | Coal powder preventing device for grinding roller of coal mill |
| CN213996082U (en) * | 2020-12-01 | 2021-08-20 | 江苏祥鑫新型建材有限公司 | Slag grinding roller with dust fall effect |
| CN216342593U (en) * | 2021-12-23 | 2022-04-19 | 常州市韩翔机械制造有限公司 | Wind wheel locking structure with high reliability |
-
2022
- 2022-06-15 CN CN202210670769.9A patent/CN115155741A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4538768A (en) * | 1983-04-27 | 1985-09-03 | Combustion Engineering, Inc. | Pulverizer journal bearing system |
| CN203475464U (en) * | 2013-08-05 | 2014-03-12 | 吴持跃 | Anti-rust lubrication underground device |
| CN206268255U (en) * | 2016-12-16 | 2017-06-20 | 惠安驰骏机械有限公司 | A kind of dust-proof anti-extrusion roller rotating shaft |
| CN207464177U (en) * | 2017-05-31 | 2018-06-08 | 南通高欣耐磨科技股份有限公司 | A kind of ZGM types can repair cermet composite grinding roll |
| CN208880326U (en) * | 2018-10-16 | 2019-05-21 | 昆山金蛋信息科技有限公司 | A kind of numerically-controlled machine tool monitoring device based on network monitoring |
| CN109296804A (en) * | 2018-12-04 | 2019-02-01 | 雷纳德流体智能科技江苏股份有限公司 | A kind of Double-active-joint ball valve |
| CN212441431U (en) * | 2020-06-03 | 2021-02-02 | 铜陵有色金属集团股份有限公司 | Coal powder preventing device for grinding roller of coal mill |
| CN213996082U (en) * | 2020-12-01 | 2021-08-20 | 江苏祥鑫新型建材有限公司 | Slag grinding roller with dust fall effect |
| CN216342593U (en) * | 2021-12-23 | 2022-04-19 | 常州市韩翔机械制造有限公司 | Wind wheel locking structure with high reliability |
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