CN105170677A - Environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks - Google Patents
Environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks Download PDFInfo
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- CN105170677A CN105170677A CN201510633701.3A CN201510633701A CN105170677A CN 105170677 A CN105170677 A CN 105170677A CN 201510633701 A CN201510633701 A CN 201510633701A CN 105170677 A CN105170677 A CN 105170677A
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- bar
- extruding
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- environment
- pressure nozzle
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- 239000000956 alloy Substances 0.000 title claims abstract description 53
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 239000000314 lubricant Substances 0.000 claims description 21
- 238000005461 lubrication Methods 0.000 abstract description 9
- 239000007921 spray Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/32—Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention belongs to the technical field of hard alloy machining and relates to an environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks. The technical problem needing to be solved is to provide the environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks. In order to solve the technical problem, the environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks is provided and comprises a hydraulic cylinder, a piston, an extruding cylinder, a discharging barrel, rollers, motors, a transmission wheel, a discharging high-pressure spray nozzle, a high-pressure tank and an extruding high-pressure spray nozzle. The hydraulic cylinder is connected with the piston. The piston is matched with the extruding cylinder. The discharging barrel is arranged under the extruding cylinder. The rollers are symmetrically arranged on the discharging barrel. The motors are arranged on the two sides of the discharging barrel. The environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks overcomes the defect that when existing bar-shaped hard alloy materials are extruded, water is needed for lubrication. When the environment-friendly device for performing no-water extruding on bar-shaped hard alloy blanks is used for extruding the bar-shaped hard alloy blanks, water is not needed for lubrication, and water resources are saved.
Description
Technical field
The invention belongs to carbide alloy processing technique field, relate to the device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of environment-friendly type.
Background technology
Carbide alloy is a kind of alloy material be made up by powder metallurgical technique of the hard compounds of refractory metal and binding metal.Carbide alloy has that hardness is high, wear-resisting, intensity and a series of premium properties such as toughness is better, heat-resisting, corrosion-resistant, and particularly its high rigidity and wearability, even if also substantially remain unchanged at the temperature of 500 DEG C, still have very high hardness 1000 DEG C time.Carbide alloy is widely used as cutter material, as lathe tool, milling cutter, planing tool, drill bit, boring cutter etc., for cutting cast iron, non-ferrous metal, plastics, chemical fibre, graphite, glass, stone material and common iron, also can be used for cutting the difficult to machine materials such as heat resisting steel, stainless steel, potassium steel, tool steel.
Before the bar-shaped carbide alloy blank of extrude bar, bulk is stirred into after hard alloy material mixing, and then it is put in carbide alloy blank pressurizing unit bar-shaped in 20 degrees centigrade extruding sliverings, then through operations such as follow-up cutting, sintering, namely complete the making of carbide alloy.
Fig. 1 is the structural representation of existing bar bar-shaped carbide alloy blank pressurizing unit, as shown in Figure 1, discharge barrel is arranged porose, is used for passing into appropriate water to lubricate when extruding, and is convenient to the bar-shaped carbide alloy blank of crushing failure at high speed shaping.The bar-shaped carbide alloy blank of existing bar is when extruding, need to lubricate with water, because hard alloy material includes the heavy metal such as chromium, nickel, the waste water after lubrication can produce certain impact to environment, therefore, the device of the bar-shaped carbide alloy blank of the research and development anhydrous extrude bar of a kind of environment-friendly type is needed badly.
Summary of the invention
(1) technical problem that will solve
The shortcoming that the present invention needs when extruding to lubricate with water to overcome the bar-shaped carbide alloy blank of existing bar, the technical problem to be solved in the present invention is to provide the device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of environment-friendly type.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides the device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of like this environment-friendly type, include hydraulic cylinder, piston, squeeze cylinder, discharge barrel, roller, motor, drive, discharging high-pressure nozzle, pressure pan and extruding high-pressure nozzle, hydraulic cylinder is connected with piston, piston and squeeze cylinder coordinate, discharge barrel is provided with immediately below squeeze cylinder, discharge barrel is provided with roller symmetrically, the both sides of discharge barrel are provided with motor, motor is connected with drive, contact drive and roller friction-type, the both sides of squeeze cylinder are provided with pressure pan, pressure pan is connected with extruding high-pressure nozzle and discharging high-pressure nozzle all respectively, extruding high-pressure nozzle is arranged on the cylinder body surrounding of squeeze cylinder, discharging high-pressure nozzle is arranged on the cylindrical shell surrounding of discharge barrel.
Preferably, two-layer 8 extruding high-pressure nozzles are provided with equably in the cylinder body circumferentially-spaced of squeeze cylinder.
Preferably, three layers of 9 discharging high-pressure nozzle are provided with equably in the cylindrical shell circumferentially-spaced of discharge barrel.
Preferably, the rotating speed of roller is 30r/min, and the outlet pressure of extruding high-pressure nozzle is 0.15MPa, and the outlet pressure of discharging high-pressure nozzle is 0.1MPa, and the diameter of piston is 100mm, and the operating rate of piston is 2mm/s.
Preferably, powdered lubricant is placed with at pressure pan internal memory.
Operation principle: when using this device, first the hard alloy material stirring into bulk is put into squeeze cylinder, then piston with the speed of 2mm/s for pressing down, the rotating speed simultaneously setting roller is 30r/min, the outlet pressure of extruding high-pressure nozzle is 0.15MPa, the outlet pressure of discharging high-pressure nozzle is 0.1MPa, and then the bar-shaped carbide alloy blank of bar will be extruded from discharge barrel.Because be placed with powdered lubricant at pressure pan internal memory, powdered lubricant plays the effect of lubrication, and powdered lubricant mainly includes talcum powder etc.Powdered lubricant, from the ejection of discharging high-pressure nozzle, is sprayed onto in discharge barrel.Powdered lubricant, from the ejection of extruding high-pressure nozzle, is sprayed onto in the cylinder body of squeeze cylinder.In fact, by controlling the extruding outlet pressure of high-pressure nozzle and the outlet pressure of discharging high-pressure nozzle well, the lubrication to the bulk hard alloy material be extruded can be realized, and can ensure can not be sprayed onto the bulk hard alloy material inside be extruded by too much powdered lubricant.
(3) beneficial effect
Instant invention overcomes the shortcoming that the bar-shaped carbide alloy blank of existing bar needs when extruding to lubricate with water, the present invention is when the bar-shaped carbide alloy blank of extrude bar, no longer need to add water to lubricate, saving water resource, and it is environment friendly and pollution-free, need the parameter of control less in use procedure, reliability is higher.Reasonable in design of the present invention, maintenance maintenance is convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing bar bar-shaped carbide alloy blank pressurizing unit.
Fig. 2 is front view structural representation of the present invention.
Being labeled as in accompanying drawing: 1-hydraulic cylinder, 2-piston, 3-squeeze cylinder, 4-discharge barrel, 5-roller, 6-motor, 7-drive, 8-discharging high-pressure nozzle, 9-pressure pan, 10-extrudes high-pressure nozzle.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment 1
The device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of environment-friendly type, as shown in Figure 1-2, include hydraulic cylinder 1, piston 2, squeeze cylinder 3, discharge barrel 4, roller 5, motor 6, drive 7, discharging high-pressure nozzle 8, pressure pan 9 and extruding high-pressure nozzle 10, hydraulic cylinder 1 is connected with piston 2, piston 2 and squeeze cylinder 3 coordinate, discharge barrel 4 is provided with immediately below squeeze cylinder 3, discharge barrel 4 is provided with roller 5 symmetrically, the both sides of discharge barrel 4 are provided with motor 6, motor 6 is connected with drive 7, contact drive 7 and roller 5 friction-type, the both sides of squeeze cylinder 3 are provided with pressure pan 9, pressure pan 9 is connected with extruding high-pressure nozzle 10 and discharging high-pressure nozzle 8 all respectively, extruding high-pressure nozzle 10 is arranged on the cylinder body surrounding of squeeze cylinder 3, discharging high-pressure nozzle 8 is arranged on the cylindrical shell surrounding of discharge barrel 4.
Operation principle: when using this device, first the hard alloy material stirring into bulk is put into squeeze cylinder 3, then piston 2 with the speed of 2mm/s for pressing down, the rotating speed simultaneously setting roller 5 is 30r/min, the outlet pressure of extruding high-pressure nozzle 10 is 0.15MPa, the outlet pressure of discharging high-pressure nozzle 8 is 0.1MPa, and then the bar-shaped carbide alloy blank of bar will be extruded from discharge barrel 4.Because be placed with powdered lubricant at pressure pan 9 internal memory, powdered lubricant plays the effect of lubrication, and powdered lubricant mainly includes talcum powder etc.Powdered lubricant sprays from discharging high-pressure nozzle 8, is sprayed onto in discharge barrel 4.Powdered lubricant sprays from extruding high-pressure nozzle 10, is sprayed onto in the cylinder body of squeeze cylinder 3.In fact, by controlling the extruding outlet pressure of high-pressure nozzle 10 and the outlet pressure of discharging high-pressure nozzle 8 well, the lubrication to the bulk hard alloy material be extruded can be realized, and can ensure can not be sprayed onto the bulk hard alloy material inside be extruded by too much powdered lubricant.
Embodiment 2
The device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of environment-friendly type, as shown in Figure 1-2, include hydraulic cylinder 1, piston 2, squeeze cylinder 3, discharge barrel 4, roller 5, motor 6, drive 7, discharging high-pressure nozzle 8, pressure pan 9 and extruding high-pressure nozzle 10, hydraulic cylinder 1 is connected with piston 2, piston 2 and squeeze cylinder 3 coordinate, discharge barrel 4 is provided with immediately below squeeze cylinder 3, discharge barrel 4 is provided with roller 5 symmetrically, the both sides of discharge barrel 4 are provided with motor 6, motor 6 is connected with drive 7, contact drive 7 and roller 5 friction-type, the both sides of squeeze cylinder 3 are provided with pressure pan 9, pressure pan 9 is connected with extruding high-pressure nozzle 10 and discharging high-pressure nozzle 8 all respectively, extruding high-pressure nozzle 10 is arranged on the cylinder body surrounding of squeeze cylinder 3, discharging high-pressure nozzle 8 is arranged on the cylindrical shell surrounding of discharge barrel 4.
Two-layer 8 extruding high-pressure nozzles 10 are provided with equably in the cylinder body circumferentially-spaced of squeeze cylinder 3.
Three layers of 9 discharging high-pressure nozzle 8 are provided with equably in the cylindrical shell circumferentially-spaced of discharge barrel 4.
The rotating speed of roller 5 is 30r/min, and the outlet pressure of extruding high-pressure nozzle 10 is 0.15MPa, and the outlet pressure of discharging high-pressure nozzle 8 is 0.1MPa, and the diameter of piston 2 is 100mm, and the operating rate of piston 2 is 2mm/s.
Powdered lubricant is placed with at pressure pan 9 internal memory.
Operation principle: when using this device, first the hard alloy material stirring into bulk is put into squeeze cylinder 3, then piston 2 with the speed of 2mm/s for pressing down, the rotating speed simultaneously setting roller 5 is 30r/min, the outlet pressure of extruding high-pressure nozzle 10 is 0.15MPa, the outlet pressure of discharging high-pressure nozzle 8 is 0.1MPa, and then the bar-shaped carbide alloy blank of bar will be extruded from discharge barrel 4.Because be placed with powdered lubricant at pressure pan 9 internal memory, powdered lubricant plays the effect of lubrication, and powdered lubricant mainly includes talcum powder etc.Powdered lubricant sprays from discharging high-pressure nozzle 8, is sprayed onto in discharge barrel 4.Powdered lubricant sprays from extruding high-pressure nozzle 10, is sprayed onto in the cylinder body of squeeze cylinder 3.In fact, by controlling the extruding outlet pressure of high-pressure nozzle 10 and the outlet pressure of discharging high-pressure nozzle 8 well, the lubrication to the bulk hard alloy material be extruded can be realized, and can ensure can not be sprayed onto the bulk hard alloy material inside be extruded by too much powdered lubricant.
The bar-shaped carbide alloy blank of the bar prepared by this device, random selecting diameter is 8mm, length is the blank 100 of 150mm, after follow-up sintering operation, obtained carbide alloy, after the test of HRS-150M type digital display Rockwell apparatus, its average hardness is HRC68, meets the hardness requirement of carbide alloy.
The above embodiment only have expressed the preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. the device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of environment-friendly type, it is characterized in that, include hydraulic cylinder (1), piston (2), squeeze cylinder (3), discharge barrel (4), roller (5), motor (6), drive (7), discharging high-pressure nozzle (8), pressure pan (9) and extruding high-pressure nozzle (10), hydraulic cylinder (1) is connected with piston (2), piston (2) and squeeze cylinder (3) coordinate, discharge barrel (4) is provided with immediately below squeeze cylinder (3), discharge barrel (4) is provided with roller (5) symmetrically, the both sides of discharge barrel (4) are provided with motor (6), motor (6) is connected with drive (7), contact drive (7) and roller (5) friction-type, the both sides of squeeze cylinder (3) are provided with pressure pan (9), pressure pan (9) is connected with extruding high-pressure nozzle (10) and discharging high-pressure nozzle (8) all respectively, extruding high-pressure nozzle (10) is arranged on the cylinder body surrounding of squeeze cylinder (3), discharging high-pressure nozzle (8) is arranged on the cylindrical shell surrounding of discharge barrel (4).
2. the device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of environment-friendly type according to claim 1, is characterized in that, is provided with two-layer 8 extruding high-pressure nozzle (10) equably in the cylinder body circumferentially-spaced of squeeze cylinder (3).
3. the device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of environment-friendly type according to claim 1, is characterized in that, is provided with three layers 9 discharging high-pressure nozzles (8) equably in the cylindrical shell circumferentially-spaced of discharge barrel (4).
4. the device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of environment-friendly type according to claim 1, it is characterized in that, the rotating speed of roller (5) is 30r/min, the outlet pressure of extruding high-pressure nozzle (10) is 0.15MPa, the outlet pressure of discharging high-pressure nozzle (8) is 0.1MPa, the diameter of piston (2) is 100mm, and the operating rate of piston (2) is 2mm/s.
5. the device of the bar-shaped carbide alloy blank of the anhydrous extrude bar of a kind of environment-friendly type according to claim 1, is characterized in that, is placed with powdered lubricant at pressure pan (9) internal memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633701.3A CN105170677B (en) | 2015-09-30 | 2015-09-30 | A kind of device of environment-friendly type anhydrous extruding bar bar-shaped carbide preform material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633701.3A CN105170677B (en) | 2015-09-30 | 2015-09-30 | A kind of device of environment-friendly type anhydrous extruding bar bar-shaped carbide preform material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105170677A true CN105170677A (en) | 2015-12-23 |
| CN105170677B CN105170677B (en) | 2017-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510633701.3A Active CN105170677B (en) | 2015-09-30 | 2015-09-30 | A kind of device of environment-friendly type anhydrous extruding bar bar-shaped carbide preform material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105170677B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113398A (en) * | 2020-08-31 | 2020-12-22 | 中国矿业大学 | A kind of coal slime drying and dehydrating device and drying and dehydrating method |
| CN113967669A (en) * | 2021-12-09 | 2022-01-25 | 中北大学 | A positive extrusion die for magnesium alloy bars with automatic slow release and lubrication |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1335818A (en) * | 1969-11-27 | 1973-10-31 | Formalloy Ltd | Extrusion of metals |
| CN1847348A (en) * | 2006-04-28 | 2006-10-18 | 龙岩市华锐硬质合金工具有限公司 | Hard alloy vacuum extrusion molding agent and its prepn process |
| CN200967064Y (en) * | 2006-11-10 | 2007-10-31 | 钱宗富 | Cold extruding device for forming tube by using solid core bar material |
| CN101664769A (en) * | 2009-10-12 | 2010-03-10 | 福建金鑫钨业股份有限公司 | Extruding device of porous hard alloy profile |
| CN204122503U (en) * | 2014-10-08 | 2015-01-28 | 江西耀升钨业股份有限公司 | A kind of tungsten alloy contoured squeeze equipment |
-
2015
- 2015-09-30 CN CN201510633701.3A patent/CN105170677B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1335818A (en) * | 1969-11-27 | 1973-10-31 | Formalloy Ltd | Extrusion of metals |
| CN1847348A (en) * | 2006-04-28 | 2006-10-18 | 龙岩市华锐硬质合金工具有限公司 | Hard alloy vacuum extrusion molding agent and its prepn process |
| CN200967064Y (en) * | 2006-11-10 | 2007-10-31 | 钱宗富 | Cold extruding device for forming tube by using solid core bar material |
| CN101664769A (en) * | 2009-10-12 | 2010-03-10 | 福建金鑫钨业股份有限公司 | Extruding device of porous hard alloy profile |
| CN204122503U (en) * | 2014-10-08 | 2015-01-28 | 江西耀升钨业股份有限公司 | A kind of tungsten alloy contoured squeeze equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113398A (en) * | 2020-08-31 | 2020-12-22 | 中国矿业大学 | A kind of coal slime drying and dehydrating device and drying and dehydrating method |
| CN113967669A (en) * | 2021-12-09 | 2022-01-25 | 中北大学 | A positive extrusion die for magnesium alloy bars with automatic slow release and lubrication |
| CN113967669B (en) * | 2021-12-09 | 2024-06-04 | 中北大学 | Automatic slow-release lubrication magnesium alloy bar forward extrusion die |
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| Publication number | Publication date |
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| CN105170677B (en) | 2017-03-08 |
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Denomination of invention: A device for environmentally friendly anhydrous extruded bar shaped hard alloy billets Granted publication date: 20170308 Pledgee: Jiangxi Chongyi Rural Commercial Bank Co.,Ltd. Pledgor: JIANGXI YAOSHENG TUNGSTEN Co.,Ltd. Registration number: Y2024980025114 |