CN116618667B - Fine treatment equipment for tungsten-cobalt alloy powder - Google Patents
Fine treatment equipment for tungsten-cobalt alloy powder Download PDFInfo
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- CN116618667B CN116618667B CN202310906782.4A CN202310906782A CN116618667B CN 116618667 B CN116618667 B CN 116618667B CN 202310906782 A CN202310906782 A CN 202310906782A CN 116618667 B CN116618667 B CN 116618667B
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- cone cylinder
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- 239000000843 powder Substances 0.000 title claims abstract description 64
- 229910000531 Co alloy Inorganic materials 0.000 title claims abstract description 22
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 230000005484 gravity Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 230000006835 compression Effects 0.000 description 17
- 238000007906 compression Methods 0.000 description 17
- 238000001035 drying Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000013459 approach Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The application relates to the technical field of dryers, in particular to tungsten-cobalt alloy powder fine treatment equipment, which comprises a base, a double-cone cylinder body and an extrusion mechanism, wherein the base is provided with a double-cone cylinder body; the extrusion mechanism is arranged in the double-cone cylinder body and comprises a ball head rod, a telescopic assembly and an exhaust assembly, and the ball head rod is rotatably arranged on the inner wall of the double-cone cylinder body; the telescopic component comprises a sleeve and a stretching rod, the sleeve is arranged at one end of the ball head rod, which is far away from the ball head, the stretching rod is in sliding telescopic fit with the sleeve, and a first one-way valve and a second one-way valve for exhausting gas are arranged in the exhaust component. The ball head rod is hinged with the double-cone cylinder, and in the rotating process of the double-cone cylinder, the extension rod and the sleeve swing under the action of self gravity to beat and crush massive metal powder; the exhaust assembly is provided with the first one-way valve and the second one-way valve, when the extension rod slides along the sleeve, the gas in the double-cone cylinder can be pumped out and prevented from entering, the negative pressure environment in the double-cone cylinder is ensured, and meanwhile, the energy is saved.
Description
Technical Field
The application relates to the technical field of dryers, in particular to tungsten-cobalt alloy powder fine treatment equipment.
Background
The double-cone rotary vacuum drier is a novel drier integrating mixing and drying into a whole, and is used for drying heat-sensitive materials or materials containing solvents which cannot be directly contacted with high-temperature air. The double-cone rotary vacuum dryer is a double-cone rotary tank body, and adopts a jacket heating mode to dry wet materials. And under the vacuum state in the tank, a heat medium is introduced into the jacket, so that the heat medium exchanges heat with the dried wet material in the inner cavity of the cylinder, the wet material absorbs heat to evaporate water, and the evaporated water is pumped away by the vacuum pump through the vacuum tube, thereby achieving the aim of drying the material.
The metal powder typically receives moisture during the manufacturing process, for example, during wet synthesis or wet ball milling, the presence of moisture may cause oxidation, agglomeration or accumulation of the metal powder, affecting its performance and quality, and the moisture in the metal powder may be removed by drying to keep it dry.
The existing small and medium enterprises generally use double-cone rotary vacuum drying equipment to dry and refine metal powder, the metal powder can be coagulated into blocks in the drying process, the drying is incomplete, and meanwhile, the vacuum equipment is required to continuously extract gas in the double-cone rotary vacuum drying equipment.
Disclosure of Invention
Based on the above, it is necessary to provide a fine tungsten-cobalt alloy powder treatment device for solving the problems that the existing metal powder is agglomerated when being dried in a double-cone rotary vacuum drying device, the water discharge efficiency is reduced, and an external vacuum device is required.
The above purpose is achieved by the following technical scheme:
the tungsten-cobalt alloy powder fine treatment equipment comprises a base, a double-cone cylinder body and an extrusion mechanism;
two fixed shafts are arranged on the double-cone cylinder body, the axes of the fixed shafts are perpendicular to the axes of the double-cone cylinder body, and the double-cone cylinder body is rotatably arranged on the base through the two fixed shafts.
The extrusion mechanism is arranged in the double-cone cylinder body and comprises a ball head rod, a telescopic assembly, an exhaust assembly and an extrusion assembly, and the ball head rod is rotationally arranged on the inner wall of the double-cone cylinder body; the telescopic component comprises a sleeve and a stretching rod, the sleeve is arranged at one end of the ball head rod, which is far away from the ball head, and the stretching rod is in sliding telescopic fit with the sleeve; the exhaust assembly comprises a first air passage, a second air passage, a third air passage, a first one-way valve and a second one-way valve; the first air passage penetrates through the double-cone cylinder body; the second air passage is arranged in the extension rod, one end of the second air passage penetrates through one end of the extension rod close to the sleeve, the other end of the second air passage penetrates through the peripheral surface of the extension rod, the third air passage penetrates through the ball head rod and the sleeve, and two ends of the third air passage are respectively communicated with the first air passage and the second air passage and are used for communicating the inside and the outside of the biconical cylinder; the first check valve is arranged in the third air passage, the second check valve is arranged in the second air passage, and the first check valve and the second check valve are used for blocking gas outside the double-cone cylinder from entering the double-cone cylinder.
The extrusion assembly comprises a first pressure spring, two ends of the first pressure spring are respectively arranged on the sleeve and the extension rod, the first pressure spring can compress or stretch according to sliding of the extension rod in the sleeve, and powder nearby the first pressure spring is extruded when the first pressure spring stretches or stretches.
Preferably, the tungsten-cobalt alloy powder fine treatment equipment further comprises a knocking mechanism, wherein the knocking mechanism comprises a sliding cylinder, a first push plate, a push rod and a driving assembly; the sliding cylinder is arranged on the outer peripheral surface of the sleeve, the axis of the sliding cylinder extends along the radial direction of the sleeve, and the axis of the sliding cylinder is perpendicular to the axis of the fixed shaft; the first push plate is arranged in the sliding cylinder in a sliding way and slides along the axis direction of the sliding cylinder; the ejector rod penetrates through the sliding cylinder, one end of the ejector rod is connected with the first push plate, and an impact hammer head is arranged on the ejector rod and can be abutted against the inner wall of the double-cone cylinder; the driving component is used for promoting the first push plate to drive the impact hammer to strike the inner wall of the double-cone cylinder body when the extension rod extends relative to the sleeve.
Preferably, the tungsten-cobalt alloy powder fine treatment equipment further comprises a cleaning mechanism, wherein the cleaning mechanism comprises a filter screen, a second channel, an air bag and a second push plate; the filter screen is arranged at one end of the third air passage and is used for filtering the powder floating in the double-cone cylinder; one end of the second channel is communicated with the driving assembly, the other end of the second channel is communicated with the second air channel, the air bag is arranged in the second air channel and is close to the filter screen, the air bag is connected with the second air channel, a second groove is formed in the second channel, the second push plate is arranged in the second groove in a sliding manner along the radial direction of the extension rod, and elastic assemblies for promoting the second push plate to reset are arranged on two sides of the second push plate; the drive assembly is also used to facilitate inflation of the bladder to clean the filter screen when the wand is retracted relative to the sleeve.
Preferably, the driving assembly comprises a holding groove, a vertical cylinder and a protruding block, wherein the holding groove is formed in one end, close to the sleeve, of the ball rod, one end of the vertical cylinder can be slidably arranged in the holding groove, the vertical cylinder is coaxial with the third air passage, the other end of the vertical cylinder is slidably arranged in the second air passage, the second cavity is located between the protruding block and the extending rod, the second channel is communicated with the second cavity, the protruding block is arranged on the peripheral surface of the vertical cylinder, the protruding block is sleeved on the second connecting rod and can be slidably arranged in the sleeve, and the protruding block is used for dividing the cavity between the extending rod and the sleeve into a first cavity and a second cavity which are variable in volume and mutually isolated.
The knocking mechanism further comprises a second connecting rod, a ring plate and a first channel, wherein the second connecting rod is arranged at one end of the extension rod, which is close to the sleeve; the annular plate is arranged on the second connecting rod, can be sleeved on the vertical cylinder in a sliding manner, and can be arranged in the sleeve in a sliding manner; the first channel is arranged in the sleeve, and two ends of the first channel are respectively communicated with the sliding cylinder and the interior of the sleeve; the first cavity is located between the annular plate and the protruding block, the first channel is communicated with the first cavity, and the second cavity is located between the protruding block and the extending rod.
Preferably, a first groove is formed in the inner wall of the sliding cylinder, a first stop block is arranged in the first groove in a sliding mode along the radial direction of the sliding cylinder, a second pressure spring is arranged between the first stop block and the groove, and an inclined plane is arranged at one end, far away from the second pressure spring, of the first stop block.
Preferably, a third groove is formed in the channel wall of the second channel, a second stop block is slidably arranged in the third groove along the axis direction of the extension rod, a third pressure spring is arranged between the second stop block and the third groove, and an inclined plane is arranged at one end, far away from the third pressure spring, of the second stop block.
Preferably, the bottom of the accommodating groove is provided with an electric rod which can stretch along the axial direction of the vertical cylinder, and one end of the electric rod which can stretch is connected with the vertical cylinder; the humidity sensor is arranged in the double-cone cylinder body and is used for detecting the humidity of the powder inside the double-cone cylinder body, the control panel is arranged outside the double-cone cylinder body and is respectively connected with the humidity sensor and the electric rod, and the control panel controls the electric rod to stretch and retract according to the humidity of the powder inside the double-cone cylinder body detected by the humidity sensor.
Preferably, the extrusion assembly further comprises a first boss and a second boss, the first boss and the second boss are respectively arranged on the sleeve and the extension rod, the first boss and the second boss are positioned between the sliding cylinder and the filter screen, and two ends of the first pressure spring are respectively arranged on the first boss and the second boss.
Preferably, the extrusion mechanism is provided with two at least, and every two extrusion mechanisms are in a set, and sleeve is all installed to the one end that sleeve was kept away from to two extension bars in each group, slides along extension bar axis direction in the sleeve and is provided with the head rod, and two head rods in each group articulate, and the axis direction of the articulated shaft of two head rods is unanimous with the axis direction of fixed axle.
The beneficial effects of the application are as follows: through the cooperation of sleeve pipe and extension rod, can slide along the sleeve pipe when the extension rod receives self gravity, compress and tensile first pressure spring for first pressure spring can extrude its nearby metal powder, destroys its cubic structure, and is articulated with bipyramid barrel through the ball head pole, rotates the in-process at bipyramid barrel, and extension rod and sleeve pipe take place to swing under self gravity effect, hit the crushing to cubic metal powder.
Through setting up first air flue, second air flue, third air flue, the gaseous exhaust that is heated in the bipyramid section of thick bamboo, set up first check valve and second check valve, when the extension rod slides along the sleeve pipe, can take out the gaseous gas in the bipyramid section of thick bamboo and prevent that external gas from getting into, guaranteed the negative pressure environment in the bipyramid section of thick bamboo, the while energy saving.
Drawings
FIG. 1 is a schematic structural diagram of a fine treatment device for tungsten-cobalt alloy powder according to an embodiment of the present application;
FIG. 2 is a top view of a fine tungsten-cobalt alloy powder treatment device according to an embodiment of the present application;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view at C in FIG. 4;
fig. 6 is a schematic structural diagram of an extrusion mechanism of a fine processing apparatus for tungsten-cobalt alloy powder according to an embodiment of the present application;
fig. 7 is a bottom view of an extrusion mechanism of a fine tungsten-cobalt alloy powder treatment device according to an embodiment of the present application;
FIG. 8 is a cross-sectional view taken along the direction D-D in FIG. 7;
FIG. 9 is an enlarged view at E in FIG. 8;
fig. 10 is an enlarged view of F in fig. 8.
Wherein: 100. a base; 101. a gas collecting tube; 102. a fixed shaft; 103. a cover body; 104. an exhaust port; 105. a double cone cylinder; 106. a sleeve; 107. a first connecting rod; 201. a ball head rod; 202. a sleeve; 203. a first compression spring; 204. a stretching rod; 205. a first airway; 206. a second airway; 207. a third airway; 208. a receiving groove; 209. a vertical cylinder; 210. a first one-way valve; 211. a second one-way valve; 212. a first boss; 213. a second boss; 214. an electric lever; 215. a bump; 301. a first cavity; 302. a second cavity; 401. a second connecting rod; 402. a ring plate; 403. a slide cylinder; 404. a first push plate; 405. a push rod; 406. a first channel; 407. a first stopper; 408. a first groove; 409. impact hammer; 410. a second compression spring; 501. a filter screen; 502. a second channel; 503. an air bag; 504. a second push plate; 505. a second groove; 506. a third groove; 507. a second stopper; 508. and a third compression spring.
Detailed Description
The present application will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present application. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 10, the present embodiment provides a fine tungsten-cobalt alloy powder treatment apparatus, which is suitable for treating materials that are easy to agglomerate in the drying process, and is also suitable for treating materials that are easy to oxidize in the drying process. Specifically, the tungsten-cobalt alloy powder fine treatment equipment provided by the embodiment comprises a base 100, a double-cone cylinder 105 and an extrusion mechanism; the base 100 is horizontally arranged, the double-cone cylinder 105 is provided with two fixed shafts 102, the axis of the fixed shaft 102 is vertical to the axis of the double-cone cylinder 105, and the double-cone cylinder 105 is rotatably arranged on the base 100 through the two fixed shafts 102; the biconical cylinder 105 is provided with two covers 103, and one of the covers 103 is provided with an exhaust port 104.
The extrusion mechanism is arranged in the double-cone cylinder 105 and comprises a ball head rod 201, a telescopic assembly, an exhaust assembly and an extrusion assembly, wherein the ball head rod 201 is rotatably arranged on the inner wall of the double-cone cylinder 105; the telescopic assembly comprises a sleeve 202 and a stretching rod 204, wherein the sleeve 202 is arranged at one end of the ball rod 201, which is far away from the ball, and the stretching rod 204 is in sliding telescopic fit with the sleeve 202; the exhaust assembly includes a first air passage 205, a second air passage 206, a third air passage 207, a first check valve 210, and a second check valve 211; the first air channel 205 penetrates through the double-cone body 105; the second air passage 206 is disposed inside the extension rod 204, one end of the second air passage 206 penetrates through one end of the extension rod 204 near the sleeve 202, the other end of the second air passage 206 penetrates through the peripheral surface of the extension rod 204, the third air passage 207 penetrates through the ball rod 201 and the sleeve 202, and two ends of the third air passage 207 are respectively communicated with the first air passage 205 and the second air passage 206 and are used for communicating the inside and the outside of the biconic cylinder 105; the first check valve 210 is disposed in the third air passage 207, the second check valve 211 is disposed in the second air passage 206, and the first check valve 210 and the second check valve 211 are used for blocking the gas outside the double-cone cylinder 105 from entering the double-cone cylinder 105; the extrusion assembly comprises a first compression spring 203, two ends of the first compression spring 203 are respectively arranged on the sleeve 202 and the extension rod 204, the first compression spring 203 can compress or stretch according to the sliding of the extension rod 204 in the sleeve 202, and the first compression spring 203 extrudes powder nearby when stretching or expanding.
Specifically, after a certain amount of powder is poured into the biconical cylinder 105, the cover body 103 is covered, the external vacuumizing device is used for extracting gas in the biconical cylinder 105 through the gas outlet 104, so that negative pressure is formed in the biconical cylinder 105, then the gas outlet 104 is closed, the interior of the biconical cylinder 105 is heated, meanwhile, the biconical cylinder 105 is driven by a motor (not shown in the drawing) to rotate, in the rotating process, the ball rod 201 swings under the influence of the gravity of the extension rod 204 and the sleeve 202, meanwhile, the extension rod 204 and the sleeve 202 are driven to squeeze and crush the powder in the biconical cylinder 105, when the ball rod 201 rotates from the highest point to the lowest point, the extension rod 204 is positioned below the sleeve 202, the extension rod 204 is influenced by the gravity of the extension rod 204, the first pressure spring 203 is pulled to be in a stretched state at first time, the extension rod 204 is gradually positioned above the sleeve 202 along with the rotation of the ball rod 201 around the fixed shaft 102, the first pressure spring 203 is compressed, and the block-shaped powder nearby the first pressure spring 203 is squeezed and crushed; when the ball rod 201 rotates from the lowest point to the highest point, the extension rod 204 is gradually positioned above the sleeve 202 again, the first pressure spring 203 is stretched, the diameter of the first pressure spring 203 is reduced by stretching, and the first pressure spring 203 and the block-shaped powder clamped between the sleeve 202 and the extension rod 204 are crushed by extrusion.
When the stretching rod 204 stretches the first pressure spring 203, negative pressure smaller than the pressure inside the double-cone cylinder 105 is generated inside the sleeve 202 and the stretching rod 204, gas generated by moisture after the double-cone cylinder 105 is heated is sucked into the third air passage 207 through the second one-way valve 211, when the stretching rod 204 compresses the first pressure spring 203, positive pressure larger than the pressure outside the double-cone cylinder 105 is generated inside the sleeve 202 and the stretching rod 204, the gas in the third air passage 207 is compressed and discharged into the first air passage 205 through the first one-way valve 210, the gas collecting tube 101 is arranged outside the double-cone cylinder 105, one end of the gas collecting tube 101 is communicated with the first air passage 205, the other end of the gas collecting tube 101 is connected with the fixed shaft 102, a flow passage is arranged in the fixed shaft 102, and the gas is discharged through the flow passage.
The cooperation of the extension rod 204 and the sleeve 202 enables the heated and vaporized water in the double-cone barrel 105 to be timely extracted, and meanwhile, the vacuum is not needed to be pumped out of the double-cone barrel 105 at any time, so that energy is saved.
In this embodiment, the fine tungsten-cobalt alloy powder treatment apparatus further includes a knocking mechanism, which includes a slide cylinder 403, a first push plate 404, a push rod 405, and a driving assembly; the slide cylinder 403 is mounted on the outer peripheral surface of the sleeve 202, the axis of the slide cylinder 403 extends along the radial direction of the sleeve 202, and the axis of the slide cylinder 403 is perpendicular to the axis of the fixed shaft 102; the first push plate 404 is slidably disposed in the slide cylinder 403 and slides along the axial direction of the slide cylinder 403; the ejector rod 405 penetrates through the sliding cylinder 403, one end of the ejector rod 405 is connected with the first push plate 404, an impact hammer 409 is arranged on the ejector rod 405, and the impact hammer 409 can be abutted against the inner wall of the double-cone cylinder 105; the drive assembly is configured to cause the first push plate 404 to drive the impact ram 409 to strike the inner wall of the double cone barrel 105 as the extension rod 204 is extended relative to the sleeve 202.
Specifically, when the ball head rod 201 is at the highest position, the extension rod 204 is far away from the sleeve 202 under the action of self gravity, under the action of the driving component, the first push plate 404 slides in the slide cylinder 403, the first push plate 404 pushes the impact hammer 409 to strike the inner wall of the double-cone cylinder 105 through the ejector rod 405, so that powder adhered to the inner wall of the double-cone cylinder 105 shakes down, when the double-cone cylinder 105 continues to rotate and when the ball head rod 201 moves to the lowest position, the sleeve 202 continuously deflects towards the inner wall of the double-cone cylinder 105 under the action of self gravity, and as the sleeve 202 is continuously close to the inner wall of the double-cone cylinder 105, the impact hammer 409 always abuts against the inner wall of the double-cone cylinder 105, and the impact hammer 409 pushes the first push plate 404 to reversely slide in the slide cylinder 403 through the ejector rod 405, so that the first push plate 404 is reset in the slide cylinder 403 is realized.
In this embodiment, the fine tungsten-cobalt alloy powder treatment apparatus further includes a cleaning mechanism including a filter screen 501, a second channel 502, an air bag 503, and a second push plate 504; the filter screen 501 is disposed at one end of the third air channel 207, and is used for filtering the powder floating in the biconical cylinder 105; one end of the second channel 502 is communicated with the driving component, the other end of the second channel 502 is communicated with the second air channel 206, the air bag 503 is arranged in the second air channel 206 and is close to the filter screen 501, the air bag 503 is connected with the second air channel 206, a second groove 505 is formed in the second channel 502, a second push plate 504 is provided with the second groove 505 in a sliding manner along the radial direction of the extension rod 204, and elastic components for promoting the second push plate 504 to reset are arranged on two sides of the second push plate 504; the drive assembly also serves to facilitate inflation of the bladder 503 to clean the filter 501 as the wand 204 is retracted relative to the sleeve 202.
Specifically, when the ball head rod 201 is at the lowest position, the amount of powder in the biconical cylinder 105 is insufficient to cover the filter screen 501, the extension rod 204 slides along the sleeve 202 under the action of self gravity, and under the action of the driving assembly, the second push plate 504 approaches to the position of the air bag 503 in the second channel 502, the air pressure in the air bag 503 increases, the air bag 503 expands and impacts the filter screen 501, the surface of the filter screen 501 is cleaned, and the filter screen 501 is prevented from being blocked by the movement of the dry and floating powder along the direction of the air flow when the air in the biconical cylinder 105 is discharged; when the knob stem 201 moves from the lowest position to the highest position following the rotation of the double-cone body 105, the extension rod 204 gradually slides out of the sleeve 202 under the influence of gravity, the second push plate 504 is reset under the action of the elastic components, and the elastic components are disposed in the second groove 505 and located at two sides of the second push plate 504, and the elastic components can be a tension spring or a fourth compression spring.
In this embodiment, the driving assembly includes a receiving groove 208, a vertical tube 209 and a protruding block 215, the receiving groove 208 is formed at one end of the ball rod 201 near the sleeve 202, one end of the vertical tube 209 can be slidably disposed in the receiving groove 208, the vertical tube 209 is coaxial with the third air channel 207, the other end of the vertical tube 209 is slidably disposed in the second air channel 206, the second cavity 302 is located between the protruding block 215 and the extending rod 204, the second channel 502 is communicated with the second cavity 302, the protruding block 215 is mounted on the peripheral surface of the vertical tube 209, the protruding block 215 is sleeved on the second connecting rod 401 and can be slidably disposed in the sleeve 202, a cavity isolated from the outside exists between the extending rod 204 and the sleeve 202, the protruding block 215 is in sealing sliding fit with the cavity wall of the cavity, and the protruding block 215 is used for separating the cavity between the extending rod 204 and the sleeve 202 into a first cavity 301 and a second cavity 302 which have variable volumes and are isolated from each other.
The knocking mechanism further comprises a second connecting rod 401, a ring plate 402 and a first channel 406, wherein the second connecting rod 401 is arranged at one end of the extension rod 204, which is close to the sleeve 202; the ring plate 402 is mounted on the second connecting rod 401, the ring plate 402 is slidably sleeved on the vertical cylinder 209, and the ring plate 402 is slidably arranged in the sleeve 202; the first channel 406 is disposed in the sleeve 202, and two ends of the first channel 406 are respectively communicated with the slide 403 and the interior of the sleeve 202; the first cavity 301 is located between the ring plate 402 and the tab 215, the first channel 406 communicates with the first cavity 301, and the second cavity 302 is located between the tab 215 and the wand 204.
Specifically, during the process of stretching the stretching rod 204 relative to the sleeve 202, the upright tube 209 slides in the second air passage 206, the volume between the second air passage 206 between the first check valve 210 and the second check valve 211, the volume between the upright tube 209 and the third air passage 207 increases, the internal pressure decreases, and the gas in the biconical cylinder 105 is sucked into the second air passage 206 through the filter screen 501 and then enters between the first check valve 210 and the second check valve 211 through the second check valve 211; during retraction of the wand 204 relative to the sleeve 202, the volume between the second air passageway 206, the riser 209, and the third air passageway 207 between the first check valve 210 and the second check valve 211 decreases and the internal pressure increases and is vented through the first check valve 210.
When the ball rod 201 is at the highest position, the extension rod 204 is far away from the sleeve 202 under the action of gravity, the extension rod 204 drives the annular plate 402 to approach the convex block 215 through the second connecting rod 401, gas in the first cavity 301 is compressed, enters the sliding cylinder 403 through the first channel 406 and pushes the first push plate 404, the first push plate 404 drives the impact hammer 409 to strike the inner wall of the biconical cylinder 105 through the ejector rod 405, when the ball rod 201 rotates from the highest position to the lowest position, the extension rod 204 is located above the sleeve 202, the extension rod 204 slides into the sleeve 202 under the action of gravity, the volume of the second cavity 302 is reduced, the gas is compressed, the compressed gas pushes the second push plate 504 to move through the second channel 502, and the second push plate 504 approaches the direction of the air bag 503, so that the air bag 503 expands.
In this embodiment, a first groove 408 is formed in the inner wall of the sliding cylinder 403, a first stop block 407 is slidably disposed in the first groove 408 along the radial direction of the sliding cylinder 403, a second compression spring 410 is disposed between the first stop block 407 and the groove, and an inclined surface is disposed at one end of the first stop block 407 away from the second compression spring 410.
Specifically, when the volume of the first cavity 301 becomes smaller, the air in the first cavity 301 is mixed into the slide cylinder 403 through the first channel 406, the pressure in the slide cylinder 403 is increased under the resistance of the first stop block 407, when the pressure in the slide cylinder 403 is increased enough to overcome the resistance provided by the first stop block 407, the first push plate 404 moves along the inclined plane of the first stop block 407, so that the first stop block 407 compresses the second pressure spring 410 and slides in the first groove 408, after the first push plate 404 loses the resistance from the first stop block 407, the ejector rod 405 is instantaneously driven to push the impact hammer 409 to impact the inner wall of the double-cone cylinder 105, so that the powder on the inner wall of the double-cone cylinder 105 is easier to drop, and when the sleeve 202 deflects towards the inner wall of the double-cone cylinder 105, the inner wall provides a force pushing the first push plate 404 to reversely move to the impact hammer 409, so that the first push plate 404 overcomes the resistance of the first stop block 407 to reset.
In this embodiment, a third groove 506 is formed on the wall of the second channel 502, a second stop block 507 is slidably disposed in the third groove 506 along the axial direction of the extension rod 204, a third compression spring 508 is disposed between the second stop block 507 and the third groove 506, and an inclined plane is disposed at one end of the second stop block 507 away from the third compression spring 508.
Specifically, when the volume of the second cavity 302 decreases, the gas in the second cavity 302 pushes the second push plate 504 to approach the second stop block 507 through the second channel 502, the second stop block 507 provides resistance to the movement of the second push plate 504, and when the pressure in the second channel 502 is greater than the resistance provided by the second stop block 507 to the second push plate 504, the second push plate 504 slides along the inclined plane of the second stop block 507, so that the second stop block 507 compresses the third compression spring 508 and slides in the third groove 506, the second push plate 504 is no longer subject to resistance, and is rapidly approaching the air bag 503, the air bag 503 is rapidly expanded, and impacts on the filter screen 501, so as to more effectively clean the powder on the surface of the filter screen 501.
In the present embodiment, an electric rod 214 capable of extending and contracting along the axial direction of the upright tube 209 is mounted at the bottom of the accommodating groove 208, and one end of the electric rod 214 capable of extending and contracting is connected with the upright tube 209; the humidity sensor is arranged in the double-cone barrel 105, the humidity sensor is used for detecting the humidity of the powder in the double-cone barrel 105, a control panel is arranged outside the double-cone barrel 105 and is respectively electrically connected with the humidity sensor and the electric rod 214, and the control panel controls the electric rod 214 to stretch and retract according to the humidity of the powder in the double-cone barrel 105 detected by the humidity sensor.
Specifically, the humidity sensor detects the humidity of the powder in the biconic cylinder 105, when the humidity is too high, the powder is easier to adhere to the inner wall of the biconic cylinder 105, at the moment, the electric rod 214 is controlled by the control panel to shrink, the electric rod 214 shrinks to drive the vertical cylinder 209 to slide in the accommodating groove 208, the vertical cylinder 209 drives the convex block 215 to move, the volume of the first cavity 301 is reduced, the internal pressure is increased, when the ball rod 201 is positioned at the highest position, the extension rod 204 drives the annular plate 402 to move by the gravity through the second connecting rod 401, the volume of the first cavity 301 is further reduced, the first push plate 404 can overcome the resistance of the first stop block 407, the impact hammer 409 is pushed to strike the inner wall of the biconic cylinder 105, and the powder on the inner wall of the biconic cylinder 105 is vibrated, so that the powder is heated uniformly; at this time, the powder is not easy to float, the filter screen 501 is not easy to block, meanwhile, the volume of the second cavity 302 is increased, the pressure is reduced, and the air bag 503 cannot strike the filter screen 501.
When the humidity of the powder in the biconical cylinder 105 is detected to be smaller, the powder is relatively easy to float and is not easy to adhere to the inner wall of the biconical cylinder 105, at the moment, the inner wall of the biconical cylinder 105 is not required to be impacted, so that the service life of the biconical cylinder 105 and the impact hammer 409 is prolonged, a filter screen 501 is required to be cleaned, the filter screen 501 is prevented from being blocked, at the moment, the electric rod 214 is controlled to stretch by the control panel, the upright cylinder 209 drives the projection 215 to approach the extension rod 204, the volume of the second cavity 302 is reduced, the internal pressure is increased, and when the ball rod 201 is positioned at the highest position, the extension rod 204 is contracted relative to the sleeve 202 by gravity, the volume of the second cavity 302 is further reduced, so that the second push plate 504 can overcome the resistance of the second stop block 507, the pressure in the air bag 503 is changed, the air bag 503 impacts the filter screen 501, and the powder on the surface of the filter screen 501 is cleaned.
In this embodiment, the compression assembly further includes a first boss 212 and a second boss 213, the first boss 212 and the second boss 213 are respectively mounted on the sleeve 202 and the extension rod 204, the first boss 212 and the second boss 213 are located between the slide 403 and the filter screen 501, and two ends of the first compression spring 203 are respectively mounted on the first boss 212 and the second boss 213.
Specifically, the first boss 212 and the second boss 213 are located between the slide 403 and the filter 501, and do not affect the slide 403 and the filter 501 during compression and extension of the first compression spring 203.
In this embodiment, at least two extrusion mechanisms are provided, and each two extrusion mechanisms are in a group, one end of each group, far away from the sleeve 202, of the two extension rods 204 is provided with a sleeve 106, a first connecting rod 107 is slidably provided in the sleeve 106 along the axial direction of the extension rods 204, the two first connecting rods 107 in each group are hinged, and the axial direction of the hinge shafts of the two first connecting rods 107 is consistent with the axial direction of the fixed shaft 102.
Specifically, when one of the two ball rods 201 in a group is at the highest position, the other ball rod 201 is at the lowest position, and the two extending rods 204 are hinged, so that the gravity influence on the two extending rods 204 can be overlapped, the effect is more obvious, the two extending rods 204 can simultaneously approach the inner wall of the double-cone cylinder 105, and the crushing effect on powder is better.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (6)
1. A tungsten-cobalt alloy powder finishing apparatus, characterized by comprising:
a base;
the double-cone cylinder body is provided with two fixed shafts, the axes of the fixed shafts are perpendicular to the axes of the double-cone cylinder body, and the double-cone cylinder body is rotatably arranged on the base through the two fixed shafts;
the extrusion mechanism is arranged in the double-cone cylinder body and comprises a ball head rod, a telescopic assembly, an exhaust assembly and an extrusion assembly, and the ball head rod is rotationally arranged on the inner wall of the double-cone cylinder body; the telescopic component comprises a sleeve and a stretching rod, the sleeve is arranged at one end of the ball head rod, which is far away from the ball head, and the stretching rod is in sliding telescopic fit with the sleeve; the exhaust assembly comprises a first air passage, a second air passage, a third air passage, a first one-way valve and a second one-way valve; the first air passage penetrates through the double-cone cylinder body; the second air passage is arranged in the extension rod, one end of the second air passage penetrates through one end of the extension rod close to the sleeve, the other end of the second air passage penetrates through the peripheral surface of the extension rod, the third air passage penetrates through the ball head rod and the sleeve, and two ends of the third air passage are respectively communicated with the first air passage and the second air passage and are used for communicating the inside and the outside of the biconical cylinder; the first one-way valve is arranged in the third air passage, the second one-way valve is arranged in the second air passage, and the first one-way valve and the second one-way valve are used for preventing gas outside the double-cone cylinder from entering the double-cone cylinder;
the extrusion assembly comprises a first pressure spring, two ends of the first pressure spring are respectively arranged on the sleeve and the extension rod, the first pressure spring can compress or stretch according to the sliding of the extension rod in the sleeve, and powder nearby the first pressure spring is extruded when the first pressure spring stretches or stretches; the double-cone cylinder body is driven to rotate by a motor, in the rotating process, the ball rod swings under the influence of the gravity of the extension rod and the sleeve, meanwhile, the extension rod and the sleeve are driven to squeeze and crush powder in the double-cone cylinder body, when the ball rod rotates from the highest point to the lowest point, the extension rod is positioned below the sleeve, is influenced by the gravity of the extension rod, the first pressure spring is pulled to be in a stretching state at first, and is gradually positioned above the sleeve along with the rotation of the ball rod around the fixed shaft, so that the first pressure spring is compressed, and when the first pressure spring is compressed, massive powder nearby the first pressure spring is squeezed and crushed; when the ball head rod rotates from the lowest point to the highest point, the extension rod is gradually positioned above the sleeve again, the first pressure spring is stretched, the diameter of the first pressure spring is reduced by stretching, and the first pressure spring, the sleeve and the extension rod are clamped with blocky powder to be extruded and crushed; when the stretching rod stretches the first pressure spring, negative pressure smaller than the pressure inside the double-cone cylinder body is generated inside the sleeve and the stretching rod, gas generated by water after the double-cone cylinder body is heated is sucked into the third air passage through the second one-way valve, when the stretching rod compresses the first pressure spring, positive pressure larger than the pressure outside the double-cone cylinder body is generated inside the sleeve and the stretching rod, the gas in the third air passage is compressed and discharged into the first air passage through the first one-way valve, a gas collecting tube is arranged outside the double-cone cylinder body, one end of the gas collecting tube is communicated with the first air passage, the other end of the gas collecting tube is connected with a fixed shaft, a flow passage is arranged in the fixed shaft, the gas is discharged through the flow passage, and the knocking mechanism comprises a sliding cylinder, a first push plate, a push rod and a driving assembly; the sliding cylinder is arranged on the outer peripheral surface of the sleeve, the axis of the sliding cylinder extends along the radial direction of the sleeve, and the axis of the sliding cylinder is perpendicular to the axis of the fixed shaft; the first push plate is arranged in the sliding cylinder in a sliding way and slides along the axis direction of the sliding cylinder; the ejector rod penetrates through the sliding cylinder, one end of the ejector rod is connected with the first push plate, and an impact hammer head is arranged on the ejector rod and can be abutted against the inner wall of the double-cone cylinder; the driving assembly is used for promoting the first push plate to drive the impact hammer head to strike the inner wall of the double-cone cylinder body when the extension rod extends relative to the sleeve, and the cleaning assembly further comprises a cleaning mechanism, wherein the cleaning mechanism comprises a filter screen, a second channel, an air bag and a second push plate; the filter screen is arranged at one end of the third air passage and is used for filtering the powder floating in the double-cone cylinder; one end of the second channel is communicated with the driving assembly, the other end of the second channel is communicated with the second air channel, the air bag is arranged in the second air channel and is close to the filter screen, the air bag is connected with the second air channel, a second groove is formed in the second channel, the second push plate is arranged in the second groove in a sliding manner along the radial direction of the extension rod, and elastic assemblies for promoting the second push plate to reset are arranged on two sides of the second push plate; the driving assembly is also used for promoting the air bag to inflate and clean the filter screen when the extension rod contracts relative to the sleeve, the driving assembly comprises a containing groove, a vertical cylinder and a protruding block, the containing groove is formed in one end of the ball head rod, which is close to the sleeve, one end of the vertical cylinder can be slidably arranged in the containing groove, the vertical cylinder is coaxial with the third air passage, the other end of the vertical cylinder is slidably arranged in the second air passage, the second cavity is positioned between the protruding block and the extension rod, the second passage is communicated with the second cavity, the protruding block is arranged on the peripheral surface of the vertical cylinder, the protruding block is sleeved on the second connecting rod and can be slidably arranged in the sleeve, and the protruding block is used for separating the cavity between the extension rod and the sleeve into a first cavity and a second cavity which are variable in volume and isolated from each other;
the knocking mechanism further comprises a second connecting rod, a ring plate and a first channel, wherein the second connecting rod is arranged at one end of the extension rod, which is close to the sleeve; the annular plate is arranged on the second connecting rod, can be sleeved on the vertical cylinder in a sliding manner, and can be arranged in the sleeve in a sliding manner; the first channel is arranged in the sleeve, and two ends of the first channel are respectively communicated with the sliding cylinder and the interior of the sleeve; the first cavity is located between the annular plate and the protruding block, the first channel is communicated with the first cavity, and the second cavity is located between the protruding block and the extending rod.
2. The fine tungsten-cobalt alloy powder treatment device according to claim 1, wherein a first groove is formed in the inner wall of the sliding cylinder, a first stop block is arranged in the first groove in a sliding mode along the radial direction of the sliding cylinder, a second pressure spring is arranged between the first stop block and the groove, and an inclined surface is arranged at one end, far away from the second pressure spring, of the first stop block.
3. The tungsten-cobalt alloy powder fine treatment device according to claim 1, wherein a third groove is formed in the wall of the second channel, a second stop block is slidably arranged in the third groove along the axis direction of the extension rod, a third pressure spring is arranged between the second stop block and the third groove, and an inclined plane is arranged at one end, far away from the third pressure spring, of the second stop block.
4. The fine tungsten-cobalt alloy powder treatment equipment according to claim 1, wherein an electric rod which can stretch along the axial direction of the vertical cylinder is arranged at the bottom of the accommodating groove, and one end of the electric rod which can stretch is connected with the vertical cylinder; the humidity sensor is arranged in the double-cone cylinder body and is used for detecting the humidity of the powder inside the double-cone cylinder body, the control panel is arranged outside the double-cone cylinder body and is respectively connected with the humidity sensor and the electric rod, and the control panel controls the electric rod to stretch and retract according to the humidity of the powder inside the double-cone cylinder body detected by the humidity sensor.
5. The fine tungsten-cobalt alloy powder treatment device according to claim 1, wherein the extrusion assembly further comprises a first boss and a second boss, the first boss and the second boss are respectively mounted on the sleeve and the extension rod, the first boss and the second boss are located between the sliding cylinder and the filter screen, and two ends of the first pressure spring are respectively mounted on the first boss and the second boss.
6. The tungsten-cobalt alloy powder fine treatment equipment according to claim 1, wherein at least two extrusion mechanisms are arranged, each two extrusion mechanisms are in a group, a sleeve is arranged at one end of each group, far away from the sleeve, of each two extending rods, first connecting rods are slidably arranged in the sleeve along the axis direction of each extending rod, the two first connecting rods in each group are hinged, and the axis direction of a hinged shaft of each two first connecting rods is consistent with the axis direction of the fixed shaft.
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| CN202310906782.4A CN116618667B (en) | 2023-07-24 | 2023-07-24 | Fine treatment equipment for tungsten-cobalt alloy powder |
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| CN202310906782.4A CN116618667B (en) | 2023-07-24 | 2023-07-24 | Fine treatment equipment for tungsten-cobalt alloy powder |
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| CN116618667A (en) | 2023-08-22 |
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