CN113618069B - Wet milling device for hard alloy mixture - Google Patents
Wet milling device for hard alloy mixture Download PDFInfo
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- CN113618069B CN113618069B CN202110930980.5A CN202110930980A CN113618069B CN 113618069 B CN113618069 B CN 113618069B CN 202110930980 A CN202110930980 A CN 202110930980A CN 113618069 B CN113618069 B CN 113618069B
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- baffle
- grinding
- bush
- bushing
- roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Crushing And Grinding (AREA)
Abstract
The invention discloses a hard alloy mixture wet grinding device which comprises a frame, a grinding cylinder, grinding balls, grinding rollers, a feeding device and a discharging device, wherein the rotatable grinding cylinder is arranged on the frame, a first bushing and a second bushing are arranged in the grinding cylinder, the grinding balls are arranged in the first bushing, the grinding rollers are arranged in the second bushing, the feeding device is arranged at the feeding end of the grinding cylinder, an annular baffle is arranged at the discharging end of the grinding cylinder, the diameter of the inner wall of the baffle is larger than that of the second bushing and smaller than that of the first bushing, and the discharging device is arranged outside the baffle. According to the invention, the first bushing and the second bushing are arranged in the grinding cylinder, and the grinding balls and the grinding rollers are respectively arranged in the first bushing and the second bushing, so that the fine crushing degree of raw materials can be further improved, the raw materials can be sufficiently ground, meanwhile, the contact area between the grinding rollers and the materials can be increased, the grinding is more sufficient, and the raw materials can be effectively prevented from adhering due to the fact that the grinding rollers rotate along with the grinding cylinder.
Description
Technical Field
The invention relates to the field of hard alloy cutter processing equipment, in particular to a hard alloy mixture wet grinding device.
Background
The hard alloy cutter is produced by extruding the powder of various raw materials into the shape of the hard cutter, sintering, sand blasting and polishing, grinding the raw materials into powder, wherein the existing grinding is divided into dry grinding and wet grinding, the noise of the dry grinding is high, the raw materials are easy to drift, the wet grinding noise is low, the raw materials are in a fluid state after being ground, and the raw materials are not easy to drift, so that the existing hard alloy cutter is mostly subjected to wet grinding. However, the existing wet grinding is in a fluid state, so that the raw materials cannot be sufficiently ground and are easy to adhere to a grinding tool, and the raw materials are lost.
Disclosure of Invention
The invention aims to provide a wet grinding device for a hard alloy mixture, which can sufficiently grind raw materials and can prevent the problem of raw material adhesion.
The invention aims at realizing the following technical scheme:
the utility model provides a carbide mixture wet milling device, includes frame, grinding drum, grinding ball, grinding roller, feedway and discharging device, install rotatable grinding drum in the frame, grinding drum one end is the feed end, and the other end is the discharge end, be equipped with first bush and second bush along the pay-off direction in the grinding drum in proper order, the inner wall diameter of the first cover body is less than the inner wall diameter of second bush, be equipped with a plurality of grinding balls in the first bush, be equipped with the grinding roller in the second bush, the diameter of grinding roller is less than the inner wall diameter of second bush, be equipped with the spacer mesh that prevents the grinding ball from getting into the second bush between first bush and the second bush, the feed end is equipped with feedway, feedway includes compounding section of thick bamboo, raw materials section of thick bamboo and feed tube, the vertical setting of compounding section of thick bamboo, its bottom processing has the elbow that stretches into in the first bush, installs the raw materials section of thick bamboo on the lateral wall on the upper portion of thick bamboo slope, the compounding section of thick bamboo top is equipped with the feed tube, the discharge end is equipped with annular baffle, the inner wall diameter of the baffle is greater than the inner wall diameter of the second bush and is less than the inner wall diameter of first bush, the outside is equipped with discharging device, the discharging device includes the material collecting bin and installs below the screen.
The grinding roller is hollow cylindric, is equipped with the baffle that the polylith set up along grinding roller length direction in the grinding roller, is equipped with the concatenation in the grinding roller between the adjacent baffle and is circular shape buffer board, and the buffer board passes through damping spring and is connected with the inner wall of grinding roller, and the buffer board inboard is equipped with the counter weight ball.
The grinding machine is characterized in that a shell for wrapping the grinding cylinder is arranged on a frame outside the grinding cylinder, a spray pipe extending into the grinding cylinder is arranged on the shell on one side of the discharging end, an exhaust pipe is arranged at the top of the shell, and an exhaust fan is connected to the exhaust pipe.
The end part of the spray pipe is provided with a spray header facing the separation net.
The buffer device for supporting the grinding cylinder is arranged on the frame below the second bushing, and comprises a supporting frame, a gas spring, a rotating shaft, rollers, a buffer pad and a wear-resistant ring, wherein the supporting frame is arranged on the frame through the gas spring, the rotating shaft parallel to the grinding cylinder is arranged on the supporting frame, a plurality of rollers are arranged on the rotating shaft, the buffer pad made of rubber is arranged on the outer ring surface of the roller, and the wear-resistant ring is arranged on the outer wall of the buffer pad and is tightly attached to the grinding cylinder.
The hard alloy mixture wet grinding device provided by the invention has the beneficial effects that:
(1) The grinding roller can increase the contact area with the materials and enable the materials to be ground more fully, and the grinding roller rotates along with the grinding cylinder, so that the adhesion of the materials can be effectively avoided;
(2) Through setting up hollow grinding roller to set up the counter weight ball in the grinding roller, when the grinding roller is driven to rotate by the grinding cylinder, the counter weight ball can constantly strike the buffer plate grinding roller, and the buffer plate can become the impact force of counter weight ball on the raw materials, on the one hand makes the raw materials can be ground finer, and the impact force also can shake the auxiliary raw materials of grinding roller outer wall apart simultaneously, reduces the raw materials and adheres to, in order to improve the wet milling efficiency of raw materials;
(3) By arranging the shell, raw material leakage in the wet milling process can be reduced, so that the environmental sanitation of a wet milling workshop is protected, and meanwhile, the exhaust pipe is arranged on the shell, so that volatile liquid added during wet milling can be discharged, and the production safety is ensured;
(4) By arranging the spray pipe on the shell, liquid can be supplemented for wet grinding of raw materials on one hand, and meanwhile, the screen can be flushed through the spray header, so that the raw materials are prevented from adhering to the screen;
(5) Through setting up buffer, can absorb the impact force that wet milling in-process grinding ball and grinding roller acted on the grinding section of thick bamboo to reduce the impact of grinding section of thick bamboo to the frame, thereby improve wet milling device's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention.
Fig. 2 is a schematic view of an internal structure of a grinding roller according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a buffering device of a grinding roller according to an embodiment of the present invention.
Reference numerals: 1. a frame; 2. grinding a cylinder; 21. a feed end; 22. a discharge end; 23. a first bushing; 24. a second bushing; 25. a screen; 26. a baffle; 3. a grinding ball; 4. grinding roller; 41. a partition plate; 42. a buffer plate; 43. a damping spring; 44. a weight ball; 5. a feeding device; 51. a mixing cylinder; 52. an elbow; 53. a raw material cylinder; 54. a liquid supply pipe; 6. a discharging device; 61. a material collecting groove; 62. a screen; 7. a housing; 71. a shower pipe; 72. an exhaust pipe; 73. an exhaust fan; 74. a spray header; 8. a buffer device; 81. a support frame; 82. a gas spring; 83. a rotating shaft; 84. a carrier roller; 85. a cushion pad; 86. wear-resistant ring.
Detailed Description
Examples
As shown in fig. 1 to 3, the wet grinding device for cemented carbide mixture provided in this embodiment includes a frame 1, a grinding drum 2, grinding balls 3, a grinding roller 4, a feeding device 5 and a discharging device 6, wherein the rotatable grinding drum 2 is installed on the frame 1, one end of the grinding drum 2 is a feeding end 21, the other end is a discharging end 22, a first bushing 23 and a second bushing 24 are sequentially arranged in the grinding drum 2 along the feeding direction, the diameter of the inner wall of the first bushing is smaller than the diameter of the inner wall of the second bushing 24, a plurality of grinding balls 3 are arranged in the first bushing 23, a grinding roller 4 is arranged in the second bushing 24, the diameter of the grinding roller 4 is smaller than the diameter of the inner wall of the second bushing 24, a separation net 25 for preventing the grinding balls 3 from entering the second bushing 24 is arranged between the first bushing 23 and the second bushing 24, the grinding roller 4 is hollow and cylindrical, a plurality of separation plates 41 are arranged in the grinding roller 4 along the length direction of the grinding roller 4, the baffle plates 41 divide the grinding roller 4 into a plurality of cavities, a buffer plate 42 which is spliced into a round shape is arranged in the grinding roller 4 between the adjacent baffle plates 41, the buffer plate 42 is connected with the inner wall of the grinding roller 4 through a damping spring 43, a counterweight ball 44 is arranged on the inner side of the buffer plate 42, when the grinding roller 4 rotates along with the grinding cylinder 2, the counterweight ball 44 is continuously thrown up and falls down along the buffer plate 42 and is used for generating impact force, the impact force acts on the buffer plate 42 and is transferred to raw materials through the buffer plate 42, external force is carried out on the raw materials on one hand, wet grinding efficiency is improved, the raw materials attached to the grinding roller 4 are shaken off on the other hand, raw materials are reduced to attach, a feeding device 5 is arranged at the feeding end 21, the feeding device 5 comprises a mixing cylinder 51, a raw material cylinder 53 and a liquid feeding tube 54, the bottom of the buffer plate 42 is provided with an elbow 52 which extends into the first bushing 23, the elbow 52 can conveniently feed the raw materials into the grinding cylinder 2, the side wall of the upper portion of the mixing cylinder 51 is obliquely provided with a raw material cylinder 53, the top of the mixing cylinder 51 is provided with a liquid supply pipe 54, the liquid supply pipe 54 can flush raw materials fed into the mixing cylinder 51 by the raw material cylinder 53 into the grinding cylinder 2, the discharge end 22 is provided with an annular baffle 26, the diameter of the inner wall of the baffle 26 is larger than that of the second lining 24 and smaller than that of the first lining 23, the baffle 26 can enable raw materials after wet grinding of the grinding roller 4 to flow out, a discharging device 6 is arranged outside the baffle 26, the discharging device 6 comprises a collecting groove 61 and a screen 62 arranged below the collecting groove 61, the wet-ground raw materials enter the screen 62 for screening after being collected by the collecting groove 61, and the raw materials meeting standards pass through the screen 62 to enter a next process.
The grinding machine is characterized in that the housing 1 outside the grinding cylinder 2 is provided with a shell 7 for wrapping the grinding cylinder 2, the shell 7 on one side of the discharge end 22 is provided with a spray pipe 71 extending into the grinding cylinder 2, the end part of the spray pipe 71 is provided with a spray header 74 facing the screen 25, the spray pipe 71 can supplement liquid media and is used for guaranteeing wet grinding effect, meanwhile, the spray header 74 is matched, raw materials attached to the screen 25 can be washed away, fluidity of the raw materials is guaranteed, the top of the shell 7 is provided with an exhaust pipe 72, the exhaust pipe 72 is connected with an exhaust fan 73, and the evaporated liquid media in the wet grinding process can be discharged through the exhaust pipe 72, so that the liquid media can be prevented from affecting the environment of a wet grinding workshop.
As shown in fig. 3, the frame 1 below the second bushing 24 is provided with a buffer device 8 for supporting the grinding drum 2, the buffer device 8 comprises a supporting frame 81, a gas spring 82, a rotating shaft 83, a carrier roller 84, a buffer pad 85 and a wear-resistant ring 86, the supporting frame 81 is installed on the frame 1 through the gas spring 82, the supporting frame 81 is provided with the rotating shaft 83 parallel to the grinding drum 2, the rotating shaft 83 is provided with a plurality of carrier rollers 84, the outer ring surface of the carrier roller 84 is provided with the buffer pad 85 made of rubber, the outer wall of the buffer pad 85 is provided with the wear-resistant ring 86, the wear-resistant ring 86 is tightly attached to the grinding drum 2, and the buffer device 8 can absorb the impact force generated by part of the grinding drum 2 on the frame 1, so that the stable operation of the equipment is effectively ensured.
The application method of the invention is as follows:
during use, the raw materials are fed through the raw material barrel 53, meanwhile, the liquid supply pipe 54 provides liquid media, the liquid media are generally volatile raw materials, so that the raw materials are dried in the later period, the raw materials enter the first bushing 23 of the grinding barrel 2 through the mixing barrel 51 and the elbow 52, the grinding balls 3 ball-mill the raw materials, the ball-milled raw materials pass through the separation net 25 and enter the second bushing 24, the grinding roller 4 in the second bushing 24 performs finer wet grinding on the raw materials, the grinding roller 4 rotates along with the grinding barrel 2, when the grinding roller 4 rotates, the counterweight balls 44 in the grinding roller 4 continuously rotate along with the grinding roller 4 and are thrown up and fall down again, impact force is transmitted to the grinding roller 4, on one hand, the auxiliary wet grinding is performed, on the other hand, the generated vibration force can shake off the raw materials attached to the grinding roller 4, during wet grinding, the spray pipe 71 performs fluid supplementing on the second bushing 24, meanwhile, the raw materials attached to the separation net 25 are washed through the spray head 74, the flowability during wet grinding is guaranteed, the exhaust fan 73 works, the volatile liquid media are discharged through the exhaust pipe 72, the raw materials pass through the exhaust pipe 72, the aggregate collecting tank 61 and enter the screen 61, and the screening groove 61 is provided.
In the wet grinding process, as the grinding balls 3 and the grinding rollers 4 can have certain falling force because of being thrown up, along with the wet grinding process, gravity can be transmitted to the support through the grinding cylinder 2 to bring certain forward damage to equipment, and the buffer device 8 can absorb part of gravity to reduce the forward damage of the frame 1, the buffer device 8 drags up the rotating grinding rollers 4 through the carrier rollers 84, and the buffer pads 85 and the gas springs 82 on the carrier rollers 84 can absorb the falling gravity generated during the operation of the grinding cylinder 2, so that the collision of the frame 1 is reduced.
The foregoing is merely a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present invention should be covered in the scope of the present invention. It should be noted that the structures or components illustrated in the drawings are not necessarily drawn to scale, and that descriptions of well-known components and processing techniques and procedures are omitted so as not to unnecessarily limit the present invention.
Claims (2)
1. The utility model provides a carbide mixture wet milling device which characterized in that: including frame, grinding drum, grinding ball, grinding roller, feedway and discharging device, install rotatable grinding drum in the frame, grinding drum one end is the feed end, the other end is the discharge end, be equipped with first bush and second bush along the pay-off direction in proper order in the grinding drum, the inner wall diameter of first bush is less than the inner wall diameter of second bush, be equipped with a plurality of grinding balls in the first bush, be equipped with the grinding roller in the second bush, the diameter of grinding roller is less than the inner wall diameter of second bush, the grinding roller is hollow cylindric, be equipped with the polylith baffle that sets up along grinding roller length direction in the grinding roller, be equipped with the concatenation in the grinding roller between the adjacent baffle and be circular buffer board, the buffer board passes through the buffer board inboard and is equipped with the counter weight ball, be equipped with the shell of parcel grinding drum in the frame in the grinding drum outside, be equipped with the shower in discharge end one side's the shell, the shell top is equipped with the blast pipe, be connected with the exhaust fan on the blast pipe, be equipped with the spacer grid that prevents that the grinding ball from getting into the second bush in the second bush between first bush, the feed end is equipped with the inner wall diameter of second bush, the feed roller is equipped with the baffle, the baffle is equipped with the baffle, the slope of cylinder and the baffle is equipped with the baffle, the baffle is equipped with the baffle in the top of the baffle, the baffle is equipped with the baffle in the baffle, the baffle and the baffle is equipped with the baffle in the baffle, the baffle and the diameter to the baffle, the baffle is equipped with the baffle and the baffle, the baffle is equipped with the baffle in the baffle, the baffle and the inside the baffle, the baffle has the diameter to the baffle, the baffle and the baffle to the baffle The bearing frame is installed in the frame through the gas spring, a plurality of carrier rollers are installed in the rotating shaft and the rotating shaft which are parallel to the grinding cylinder, the buffer pad made of rubber is installed on the outer ring surface of the carrier roller, and the wear-resisting ring is installed on the outer wall of the buffer pad and is tightly attached to the grinding cylinder.
2. The cemented carbide mixture wet milling device of claim 1, wherein: the end part of the spray pipe is provided with a spray header facing the separation net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110930980.5A CN113618069B (en) | 2021-08-13 | 2021-08-13 | Wet milling device for hard alloy mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110930980.5A CN113618069B (en) | 2021-08-13 | 2021-08-13 | Wet milling device for hard alloy mixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113618069A CN113618069A (en) | 2021-11-09 |
| CN113618069B true CN113618069B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110930980.5A Active CN113618069B (en) | 2021-08-13 | 2021-08-13 | Wet milling device for hard alloy mixture |
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| CN (1) | CN113618069B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB313656A (en) * | 1928-03-16 | 1929-06-17 | Walter Amelius Cloud | Improvements in or connected with grinding, crushing, pulverizing or disintegrating mills |
| JP2002343821A (en) * | 2001-05-18 | 2002-11-29 | Allied Material Corp | Method of selecting microscopic metal ball |
| US6634568B1 (en) * | 1998-09-25 | 2003-10-21 | Sandvik Ab | Method and means for drying cemented carbide and similar |
| CN203816710U (en) * | 2014-02-27 | 2014-09-10 | 浙江明峰水泥有限公司 | Novel cement grinding mill |
| KR20160110776A (en) * | 2015-03-12 | 2016-09-22 | 한국원자력연구원 | Ball milling device for high energy and alloyed powder using the same |
| CN106735259A (en) * | 2016-12-29 | 2017-05-31 | 广西梧州港德硬质合金制造有限公司 | A kind of efficient ball grinding method of hard alloy powder |
| CN212142871U (en) * | 2020-04-24 | 2020-12-15 | 株洲长江硬质合金设备有限公司 | Wet grinding cylinder with hard alloy lining |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141823A (en) * | 1994-02-02 | 1997-02-05 | 青岛海洋大学 | Vibration-type tumbling mill |
| CN205435881U (en) * | 2015-12-30 | 2016-08-10 | 佛山市南海群泰硬质合金有限公司 | Carbide ball mill |
| EA202190636A1 (en) * | 2018-08-28 | 2021-06-23 | Канада Майнинг Инновейшн Каунсил | SINGLE SHAFT MILL |
| CN209549594U (en) * | 2019-01-14 | 2019-10-29 | 肖丽君 | Grinding device is used in a kind of production of superconductor |
| CN211329642U (en) * | 2019-12-09 | 2020-08-25 | 湖北安耐捷炉衬材料有限公司 | Special ball-milling device of refractory aggregate |
| CN111482228B (en) * | 2020-04-20 | 2021-11-30 | 义乌市博派塑胶制品有限公司 | Reducing mechanism is used in new material processing based on elastic extrusion |
| CN212348963U (en) * | 2020-05-13 | 2021-01-15 | 东莞市保源建材有限公司 | Dry ball mill |
| CN212702211U (en) * | 2020-06-30 | 2021-03-16 | 浙江宇宏新材料有限公司 | Bentonite grinding device |
-
2021
- 2021-08-13 CN CN202110930980.5A patent/CN113618069B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB313656A (en) * | 1928-03-16 | 1929-06-17 | Walter Amelius Cloud | Improvements in or connected with grinding, crushing, pulverizing or disintegrating mills |
| US6634568B1 (en) * | 1998-09-25 | 2003-10-21 | Sandvik Ab | Method and means for drying cemented carbide and similar |
| JP2002343821A (en) * | 2001-05-18 | 2002-11-29 | Allied Material Corp | Method of selecting microscopic metal ball |
| CN203816710U (en) * | 2014-02-27 | 2014-09-10 | 浙江明峰水泥有限公司 | Novel cement grinding mill |
| KR20160110776A (en) * | 2015-03-12 | 2016-09-22 | 한국원자력연구원 | Ball milling device for high energy and alloyed powder using the same |
| CN106735259A (en) * | 2016-12-29 | 2017-05-31 | 广西梧州港德硬质合金制造有限公司 | A kind of efficient ball grinding method of hard alloy powder |
| CN212142871U (en) * | 2020-04-24 | 2020-12-15 | 株洲长江硬质合金设备有限公司 | Wet grinding cylinder with hard alloy lining |
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| CN113618069A (en) | 2021-11-09 |
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