CN112316806A - Manufacturing method of polycrystalline diamond drill bit for geological exploration - Google Patents
Manufacturing method of polycrystalline diamond drill bit for geological exploration Download PDFInfo
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- CN112316806A CN112316806A CN202011097488.6A CN202011097488A CN112316806A CN 112316806 A CN112316806 A CN 112316806A CN 202011097488 A CN202011097488 A CN 202011097488A CN 112316806 A CN112316806 A CN 112316806A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/56—Mixers with shaking, oscillating, or vibrating mechanisms having a vibrating receptacle provided with stirring elements, e.g. independent stirring elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/121—Maintenance of mixers using mechanical means using a brush for cleaning out rests of products
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Abstract
The invention discloses a method for manufacturing a polycrystalline diamond drill bit for geological exploration, which specifically comprises the following steps: the method comprises the following steps: selecting 52-55 parts of diamond powder, 46-48 parts of metal powder and 4-6 parts of adhesive according to the parts by weight, then introducing the diamond powder and the metal powder into a mixing device for mixing for 20-30min, and then introducing the adhesive into the mixing device for uniformly mixing again to obtain a mixture; the invention relates to the technical field of manufacturing of diamond drill bits. This manufacturing method of polycrystalline diamond drill bit for geological exploration sets up the mount through between the both sides of backup pad to drive the connecting axle through drive assembly and rotate, thereby make the agitator in the mount rotate, powerful spring and connecting rod in the cooperation mount simultaneously can make the agitator rock about, thereby accelerate the mixing speed of material, improve mixing efficiency.
Description
Technical Field
The invention relates to the technical field of diamond bit manufacturing, in particular to a manufacturing method of a polycrystalline diamond bit for geological exploration.
Background
The geological exploration refers to exploration and detection of geology through various means and methods, determination of a proper bearing stratum, determination of a foundation type according to foundation bearing capacity of the bearing stratum, and calculation of investigation and research activities of foundation parameters. The polycrystalline diamond composite bit is a PDC bit for short, and is a drilling tool commonly used in the geological drilling industry.
Chinese patent discloses a manufacturing method of a geological exploration drill bit (publication number: CN 103801230A). the method comprises the steps of uniformly mixing 52-56% of diamond powder and 44-48% of titanium, adding a catalyst accounting for 0.35-0.39% of the total raw material, and placing the mixture in a vacuum furnace for 64-68 minutes; and then putting the diamond composite sheet into a diamond six-face top press machine for high-temperature and high-pressure synthesis, covering the diamond composite sheet on an alloy matrix after pressure relief to obtain a diamond composite sheet, and mounting the diamond composite sheet on a drill rod after machining and forming to obtain the geological exploration drill bit. The geological exploration drill bit prepared by the method has the advantages of good stability, good impact toughness, high wear resistance and low abrasion ratio. Because need mix the powder when making the drill bit, in case the powder mixes inhomogeneous then violently leads to the uneven hardness on drill bit surface easily, consequently leads to its breakage very easily, and present compounding equipment compounding speed is slow, and efficiency is comparatively low down.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a manufacturing method of a polycrystalline diamond drill bit for geological exploration, which solves the problems that the hardness of the surface of the drill bit is not uniform, and the existing mixing equipment is low in mixing speed and low in efficiency, which are easily caused by non-uniform powder mixing.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a manufacturing method of a polycrystalline diamond drill bit for geological exploration specifically comprises the following steps:
the method comprises the following steps: selecting 52-55 parts of diamond powder, 46-48 parts of metal powder and 4-6 parts of adhesive according to the parts by weight, then introducing the diamond powder and the metal powder into a mixing device for mixing for 20-30min, and then introducing the adhesive into the mixing device for uniformly mixing again to obtain a mixture;
the use method of the mixing equipment comprises the following steps: diamond powder and metal powder are led into the stirring barrel from the inside of the material pipe, then a limiting block positioned in a limiting groove is pushed to the inside of the clamping groove, at the moment, a limiting spring is compressed, and then a rotating disc in the material placing disc is rotated by 90 degrees through an adjusting piece, so that a rotating shaft is driven to rotate, the baffle is further driven to rotate, the baffle is in a horizontal state at the moment, the material pipe is blocked, and the limiting block is pushed to the inside of the limiting groove under the action of the limiting spring, so that the rotating disc is fixed;
at the moment, a rotating motor is started to drive a first grooved pulley to rotate, and a second grooved pulley is driven to rotate through a V-shaped belt, so that a connecting shaft is driven to rotate, the stirring barrel in the fixing frame is further driven to rotate, a strong spring in a fixing block on one side is compressed while the stirring barrel rotates, and a strong spring on the other side is stretched, so that the stirring barrel can swing left and right while rotating, diamond powder and metal powder in the stirring barrel are mixed, the material pipe and the stirring motor slide in corresponding stroke grooves, the movable plate is connected with the inner surface of the sliding groove in a sliding mode, and meanwhile, the sliding plate slides on the fixing frame;
simultaneously starting a stirring motor to drive a stirring shaft to rotate so as to drive stirring blades to rotate, fully mixing diamond powder and metal powder, enabling a material pipe on a stirring barrel to be downward through an external controller after mixing is finished, and rotating a baffle again through an adjusting piece so as to enable the baffle to be in a vertical state, enabling the mixed powder to fall down from the material pipe, and simultaneously synchronously rotating a brush rod to sweep powder adhered to the inner wall of the stirring barrel;
step two: regularly loading the mixture into a drill bit graphite mold, compacting the mixture in the graphite mold, and assembling the graphite mold;
step three: sending the assembled graphite mold into a vacuum furnace, starting the vacuum furnace for hot-pressing sintering, and after sintering is finished, releasing pressure of the graphite mold out of the furnace after the temperature of the furnace is reduced to 800 ℃, so as to obtain a sintered drill bit;
step four: and machining the sintered drill bit, and then mounting the drill bit on a drill rod.
Preferably, the adhesive is a mixture of one or more of cobalt, nickel and molybdenum, the metal powder is a mixture of one or more of tungsten carbide powder and titanium powder, the temperature in the vacuum furnace is 980 ℃, the pressure in the vacuum furnace is 18MPa, and the heat preservation time is 7 min.
Preferably, the mixing equipment comprises a working plate, supporting plates are fixedly connected to two sides of the top of the working plate, a stirring assembly is arranged between two opposite sides of the supporting plates, and a driving assembly is arranged on one side of the top of the working plate;
the stirring component comprises a fixed frame, a stirring barrel is arranged in the fixed frame, a plurality of fixed blocks are fixedly connected with the inner surface of the fixed frame, one side of the fixed block is provided with a storage groove, the inner surface of the storage groove is fixedly connected with a strong spring, one end of the strong spring is fixedly connected with a sliding plate, one side of the sliding plate is fixedly connected with a connecting rod, the outer surface of the sliding plate slides with the inner surface of the object placing groove, one end of the connecting rod is fixedly connected with the outer surface of the stirring barrel, sliding blocks are fixedly connected with the front and the rear sides of the top and the bottom of the stirring barrel, movable plates are fixedly connected with the upper part and the lower part of the outer surface of each sliding block, sliding grooves are formed in the front side and the rear side of the top and the bottom of the fixing frame, and the inner surfaces of the sliding grooves are connected with the outer surfaces of the sliding blocks in a sliding mode.
Preferably, the driving assembly comprises a rotating motor located at the top of the working plate, the output end of the rotating motor is fixedly connected with a first grooved pulley, the two sides of the fixing frame are both fixedly connected with connecting shafts, the ends, far away from the two connecting shafts relatively, of the two connecting shafts penetrate through the supporting plate on the corresponding side, the outer surface of the connecting shaft on the left side is fixedly connected with a second grooved pulley, and the inner surface of the first grooved pulley is in transmission connection with the inner surface of the second grooved pulley through a V-shaped belt.
Preferably, the top of agitator run through and be connected with the material pipe, the top of material pipe runs through the mount and extends to the outside of mount, the bottom fixedly connected with agitator motor of agitator, the stroke groove has all been seted up to the top and the bottom of mount, is located the top the internal surface in stroke groove and the surface sliding connection of material pipe are located the below the internal surface in stroke groove and agitator motor's surface sliding connection.
Preferably, the output of agitator motor passes through shaft coupling fixedly connected with (mixing) shaft, the inside that the agitator and extended to the agitator is run through on the top of stirring axle, the external fixed surface of (mixing) shaft is connected with a plurality of stirring fan blade, the external fixed surface of (mixing) shaft is connected with the brush pole, the brush pole is located stirring fan blade's below, one side fixedly connected with brush hair of brush pole, and the brush hair contacts with the internal surface of agitator, the brush pole be a U font component, the top of (mixing) shaft is through fixed cover fixedly connected with dead lever, the both ends of dead lever respectively with the both ends fixed connection of brush pole.
Preferably, the material pipe is the sub-assembly of a kind of side pipe and pipe, the internal surface of material pipe is provided with the baffle, the outer fixed surface of baffle is connected with the elastic rubber cover to the equal fixedly connected with axis of rotation in both sides of baffle, the equal fixedly connected with in both sides of side pipe puts the thing dish, the both ends of axis of rotation all run through the material pipe in proper order and put the thing dish and extend to the outside of putting the thing dish to the equal fixedly connected with rolling disc in both ends of axis of rotation, the internal surface and the rolling disc surface sliding connection of putting the thing dish, one side fixedly connected with regulating part of rolling disc.
Preferably, the limiting grooves are formed in the two sides of the surface of the rotating disc, four clamping grooves are formed in the inner surface of the object placing disc, the two clamping grooves are adjacent to each other, the included angle between the clamping grooves is 90 degrees, the inner surface of each clamping groove is fixedly connected with a limiting spring, one end of each limiting spring is fixedly connected with a limiting block, and the outer surface of each limiting block is matched with the inner surface of each limiting groove.
(III) advantageous effects
The invention provides a manufacturing method of a polycrystalline diamond drill bit for geological exploration. Compared with the prior art, the method has the following beneficial effects:
(1) the mixing equipment comprises a working plate, wherein supporting plates are fixedly connected to two sides of the top of the working plate, a stirring assembly is arranged between two opposite sides of the two supporting plates, and a driving assembly is arranged on one side of the top of the working plate; the stirring component comprises a fixed frame, a stirring barrel is arranged in the fixed frame, a plurality of fixed blocks are fixedly connected to the inner surface of the fixed frame, a material placing groove is formed in one side of each fixed block, a strong spring is fixedly connected to the inner surface of the material placing groove, one end of the strong spring is fixedly connected with a sliding plate, one side of the sliding plate is fixedly connected with a connecting rod, the outer surface of the sliding plate slides along the inner surface of the material placing groove, one end of the connecting rod is fixedly connected with the outer surface of the stirring barrel, sliding blocks are fixedly connected to the front side and the rear side of the top and the bottom of the stirring barrel, a moving plate is fixedly connected to the upper side and the lower side of the outer surface of the sliding block, sliding grooves are formed in the front side and the rear side of the top and the bottom of the fixed frame, the inner surface of, the equal fixedly connected with connecting axle in both sides of mount, the backup pad that corresponds one side is all run through to the one end that two connecting axles kept away from relatively, the surface fixedly connected with second sheave that is located the connecting axle of left side, the internal surface of first sheave passes through V-arrangement belt drive with the internal surface of second sheave and is connected, through setting up the mount between the both sides of backup pad, and drive the connecting axle through drive assembly and rotate, thereby make the agitator in the mount rotate, strong spring and connecting rod in the cooperation mount can make the agitator control and rock simultaneously, thereby accelerate the mixing velocity of material, and the mixing efficiency is improved.
(2) The invention relates to a material pipe which is a combination of a square pipe and a circular pipe, wherein the inner surface of the material pipe is provided with a baffle, the outer surface of the baffle is fixedly connected with an elastic rubber sleeve, both sides of the baffle are fixedly connected with rotating shafts, both sides of the square pipe are fixedly connected with a material placing disc, both ends of each rotating shaft sequentially penetrate through the material pipe and the material placing disc and extend to the outer part of the material placing disc, both ends of each rotating shaft are fixedly connected with rotating discs, the inner surface of each material placing disc is in sliding connection with the outer surface of the corresponding rotating disc, one side of each rotating disc is fixedly connected with an adjusting piece, both sides of the surface of each rotating disc are provided with limiting grooves, the inner surface of each material placing disc is provided with four clamping grooves, the included angle between two adjacent clamping grooves is 90 degrees, the inner surfaces of the clamping grooves are fixedly connected with limiting springs, one, through the both sides setting at square pipe put the thing dish, spacing spring and spacing piece in cooperation spacing groove and the draw-in groove can the adjusting stop's state, can avoid the material to fall down when the agitator rotates through this structure, and this structure easy operation easily promotes.
(3) The output end of a stirring motor is fixedly connected with a stirring shaft through a coupler, the top end of the stirring shaft penetrates through the stirring barrel and extends into the stirring barrel, the outer surface of the stirring shaft is fixedly connected with a plurality of stirring blades, the outer surface of the stirring shaft is fixedly connected with a brush hair rod, the brush hair rod is positioned below the stirring blades, one side of the brush hair rod is fixedly connected with brush hair, the brush hair is contacted with the inner surface of the stirring barrel, the brush hair rod is a U-shaped component, the top end of the stirring shaft is fixedly connected with a fixed rod through a fixed sleeve, two ends of the fixed rod are respectively fixedly connected with two ends of the brush hair rod, the brush hair rod is arranged on the outer surface of the stirring shaft and matched with the plurality of stirring blades, so that materials can be stirred and mixed, and the materials adhered in the stirring barrel can be cleaned after stirring is completed, and the, the cost is lower, and the practicability can be further improved.
Drawings
FIG. 1 is a front view of the external structure of the mixing apparatus of the present invention;
FIG. 2 is a schematic view of an external structure of the fixing frame of the present invention;
FIG. 3 is a front view of the inner structure of the mixing tank of the present invention;
FIG. 4 is a sectional top view of the fixing frame of the present invention;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 3;
FIG. 6 is a top view of the internal structure of the material tube of the present invention;
fig. 7 is a side view of the inner structure of the tray of the present invention.
In the figure, 1, a working plate; 2. a support plate; 3. a stirring assembly; 30. moving the plate; 31. a fixed mount; 32. A stirring barrel; 33. a fixed block; 34. a storage groove; 35. a strong spring; 36. a sliding plate; 37. a connecting rod; 38. a slider; 39. a sliding groove; 4. a drive assembly; 41. rotating the motor; 42. a first sheave; 43. a connecting shaft; 44. a second sheave; 45. a V-belt; 46. a material pipe; 47. a stirring motor; 48. A stroke slot; 5. a stirring shaft; 6. a stirring fan blade; 7. a bristle bar; 8. fixing the rod; 9. a baffle plate; 10. An elastic rubber sleeve; 11. a rotating shaft; 12. a limiting block; 13. placing a tray; 14. rotating the disc; 15. an adjustment member; 16. a limiting groove; 17. a card slot; 18. and a limiting spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an embodiment of the present invention provides a technical solution: a manufacturing method of a polycrystalline diamond drill bit for geological exploration comprises the following steps:
the method comprises the following steps: selecting 54 parts of diamond powder, 47 parts of metal powder and 5 parts of adhesive according to the parts by weight, then introducing the diamond powder and the metal powder into a mixing device for mixing for 25min, and then introducing the adhesive into the mixing device for uniformly mixing again to obtain a mixed material;
the use method of the mixing equipment comprises the following steps: diamond powder and metal powder are led into the stirring barrel 32 from the interior of the material pipe 46, then the limiting block 12 positioned in the limiting groove 16 is pushed to the interior of the clamping groove 17, the limiting spring 18 is compressed at the moment, and the rotating disc 14 in the object placing disc 13 is rotated by 90 degrees through the adjusting piece 15, so that the rotating shaft 11 is driven to rotate, the baffle 9 is further driven to rotate, the baffle 9 at the moment is in a horizontal state and blocks the material pipe 46, and the limiting block 12 is pushed to the interior of the limiting groove 16 under the action of the limiting spring 18, so that the rotating disc 14 is fixed;
at this time, the rotating motor 41 is started to drive the first grooved pulley 42 to rotate, and the V-belt 45 drives the second grooved pulley 44 to rotate, so as to drive the connecting shaft 43 to rotate, further to rotate the stirring barrel 32 in the fixed frame 31, while rotating, the strong spring 35 in the fixed block 33 on one side is compressed, and the strong spring 35 on the other side is elongated, so that the stirring barrel 32 can swing left and right while rotating, so as to mix the diamond powder and the metal powder in the stirring barrel 32, and the material pipe 46 and the stirring motor 47 slide in the corresponding stroke groove 48, and the moving plate 30 is connected in a sliding manner on the inner surface of the sliding groove 39, and the sliding plate 36 slides on the fixed frame 31;
simultaneously, starting a stirring motor 47 to drive a stirring shaft 5 to rotate, so as to drive stirring fan blades 6 to rotate, so as to fully mix diamond powder and metal powder, after the mixing is finished, enabling a material pipe 46 on a stirring barrel 32 to be downward through an external controller, and rotating a baffle 9 again through an adjusting piece 15, so that the baffle 9 is in a vertical state, at the moment, the mixed powder falls down from the material pipe 46, and simultaneously, a brush hair rod 7 synchronously rotates, so that the powder adhered to the inner wall of the stirring barrel 32 is swept down;
step two: regularly loading the mixture into a drill bit graphite mold, compacting the mixture in the graphite mold, and assembling the graphite mold;
step three: sending the assembled graphite mold into a vacuum furnace, starting the vacuum furnace for hot-pressing sintering, and after sintering is finished, releasing pressure of the graphite mold out of the furnace after the temperature of the furnace is reduced to 800 ℃, so as to obtain a sintered drill bit;
step four: and machining the sintered drill bit, and then installing the drill bit on a drill rod.
In the invention, the adhesive is a mixture of one or more of cobalt, nickel and molybdenum, the metal powder is a mixture of one or more of tungsten carbide powder and titanium powder, the temperature in a vacuum furnace is 980 ℃, the pressure is 18MPa, and the heat preservation time is 7 min.
According to the invention, the material mixing equipment comprises a working plate 1, wherein two sides of the top of the working plate 1 are fixedly connected with supporting plates 2, a stirring assembly 3 is arranged between two opposite sides of the two supporting plates 2, and a driving assembly 4 is arranged on one side of the top of the working plate 1; the stirring component 3 comprises a fixed frame 31, a stirring barrel 32 is arranged in the fixed frame 31, a plurality of fixed blocks 33 are fixedly connected to the inner surface of the fixed frame 31, a storage groove 34 is formed in one side of each fixed block 33, a strong spring 35 is fixedly connected to the inner surface of the storage groove 34, the stirring barrel 32 can shake in the fixed frame 31 through the strong spring 35, a sliding plate 36 is fixedly connected to one end of the strong spring 35, a connecting rod 37 is fixedly connected to one side of the sliding plate 36, the outer surface of the sliding plate 36 slides with the inner surface of the storage groove 34, one end of the connecting rod 37 is fixedly connected with the outer surface of the stirring barrel 32, sliding blocks 38 are fixedly connected to the front side and the rear side of the top and the bottom of the stirring barrel 32, when the stirring barrel 32 shakes, the sliding blocks 38 slide in the sliding groove 39, and sliding blocks 30 are fixedly connected to the, the stirring barrel 32 can be limited by sliding the movable plate 30 on the fixed frame 31, sliding grooves 39 are respectively arranged at the front side and the rear side of the top and the bottom of the fixed frame 31, the inner surface of the sliding groove 39 is connected with the outer surface of the sliding block 38 in a sliding manner, the driving component 4 comprises a rotating motor 41 positioned at the top of the working plate 1, the rotating motor 41 is electrically connected with an external power supply, the forward and reverse rotation can be realized, and the control is carried out by an external PLC controller, a first grooved pulley 42 is fixedly connected with the output end of the rotating motor 41, connecting shafts 43 are respectively and fixedly connected with the two sides of the fixed frame 31, one ends of the two connecting shafts 43 which are relatively far away penetrate through the supporting plate 2 at the corresponding side, a second grooved pulley 44 is fixedly connected with the outer surface of the left connecting shaft 43, and the inner surface of, the rotating motor 41 drives the connecting shaft 43 to drive the stirring barrel 32 in the fixing frame 31 to rotate through the V-shaped belt 45 between the first grooved pulley 42 and the second grooved pulley 44, so that the material in the stirring barrel 32 rocks up and down, the fixing frame 31 is arranged between the two sides of the supporting plate 2, and the driving assembly 4 drives the connecting shaft 43 to rotate, so that the stirring barrel 32 in the fixing frame 31 rotates, and meanwhile, the strong spring 35 and the connecting rod 37 in the fixing block 33 are matched, so that the stirring barrel 32 can rock left and right, the mixing speed of the material is accelerated, the mixing efficiency is improved, the top of the stirring barrel 32 is connected with the material pipe 46 in a penetrating way, the top of the material pipe 46 penetrates through the fixing frame 31 and extends to the outside of the fixing frame 31, the bottom of the stirring barrel 32 is fixedly connected with the stirring motor 47, and the top and the bottom of the, the inner surface of the upper stroke groove 48 is connected with the outer surface of the material pipe 46 in a sliding manner, the inner surface of the lower stroke groove 48 is connected with the outer surface of the stirring motor 47 in a sliding manner, the output end of the stirring motor 47 is fixedly connected with a stirring shaft 5 through a coupler, the top end of the stirring shaft 5 penetrates through the stirring barrel 32 and extends into the stirring barrel 32, the outer surface of the stirring shaft 5 is fixedly connected with a plurality of stirring fan blades 6, the outer surface of the stirring shaft 5 is fixedly connected with a bristle bar 7, the bristle bar 7 is positioned below the stirring fan blades 6, one side of the bristle bar 7 is fixedly connected with bristles, the bristles are contacted with the inner surface of the stirring barrel 32, the bristle bar 7 is a U-shaped component, the top end of the stirring shaft 5 is fixedly connected with a fixing rod 8 through a fixing sleeve, two ends of the fixing rod 8 are respectively fixedly connected with two ends of the bristle, the inner surface of the material pipe 46 is provided with a baffle 9, the outer surface of the baffle 9 is fixedly connected with an elastic rubber sleeve 10, the elastic rubber sleeve 10 can enable the baffle 9 to be tightly contacted with the inner wall of the material pipe 46, the falling of materials is prevented, both sides of the baffle 9 are fixedly connected with a rotating shaft 11, both sides of a square pipe are fixedly connected with a material placing disc 13, both ends of the rotating shaft 11 sequentially penetrate through the material pipe 46 and the material placing disc 13 and extend to the outside of the material placing disc 13, both ends of the rotating shaft 11 are fixedly connected with a rotating disc 14, the inner surface of the material placing disc 13 is in sliding connection with the outer surface of the rotating disc 14, one side of the rotating disc 14 is fixedly connected with an adjusting piece 15, both sides of the surface of the rotating disc 14 are respectively provided with a limiting groove 16, the inner surface of the material placing disc 13 is provided with four clamping grooves 17, the included angle between two adjacent, one end fixedly connected with stopper 12 of limiting spring 18, stopper 12's surface and the internal surface looks adaptation of spacing groove 16, set up through the both sides at square pipe and put thing dish 13, cooperate limiting spring 18 and stopper 12 in spacing groove 16 and the draw-in groove 17, can adjust baffle 9's state, can avoid through this structure that the material falls down when agitator 32 rotates, this structure easy operation, easily in the popularization.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A manufacturing method of polycrystalline diamond drill bit for geological exploration is characterized by comprising the following steps: the method specifically comprises the following steps:
the method comprises the following steps: selecting 52-55 parts of diamond powder, 46-48 parts of metal powder and 4-6 parts of adhesive according to the parts by weight, then introducing the diamond powder and the metal powder into a mixing device for mixing for 20-30min, and then introducing the adhesive into the mixing device for uniformly mixing again to obtain a mixture;
the use method of the mixing equipment comprises the following steps: introducing diamond powder and metal powder into the stirring barrel (32) from the inside of the material pipe (46), pushing a limiting block (12) located in a limiting groove (16) to the inside of a clamping groove (17), compressing a limiting spring (18), rotating a rotating disc (14) in a material placing disc (13) by 90 degrees through an adjusting piece (15), so that a rotating shaft (11) is driven to rotate, further enabling a baffle (9) to rotate, enabling the baffle (9) to be in a horizontal state at the moment, blocking the material pipe (46), pushing the limiting block (12) to the inside of the limiting groove (16) under the action of the limiting spring (18), and fixing the rotating disc (14);
at the moment, the rotating motor (41) is started to drive the first grooved wheel (42) to rotate, and the V-shaped belt (45) drives the second grooved wheel (44) to rotate, thereby driving the connecting shaft (43) to rotate and further enabling the stirring barrel (32) in the fixed frame (31) to rotate, while rotating, the strong spring (35) in the fixed block (33) at one side is compressed, the strong spring (35) at the other side is stretched, so that the stirring barrel (32) can rock left and right while rotating, thereby mixing the diamond powder and the metal powder in the stirring barrel (32), and the material pipe (46) and the stirring motor (47) slide in the corresponding stroke groove (48), the moving plate (30) is connected with the inner surface of the sliding groove (39) in a sliding way, and the sliding plate (36) slides on the fixed frame (31);
simultaneously starting a stirring motor (47) to drive a stirring shaft (5) to rotate, thereby driving stirring fan blades (6) to rotate, thereby fully mixing diamond powder and metal powder, after the mixing is completed, the direction of a material pipe (46) on a stirring barrel (32) is downward through an external controller, and a baffle (9) is rotated again through a regulating part (15), so that the baffle (9) is in a vertical state, at the moment, the mixed powder falls down from the material pipe (46), and meanwhile, a bristle brushing rod (7) synchronously rotates, and the powder adhered to the inner wall of the stirring barrel (32) is swept down;
step two: regularly loading the mixture into a drill bit graphite mold, compacting the mixture in the graphite mold, and assembling the graphite mold;
step three: sending the assembled graphite mold into a vacuum furnace, starting the vacuum furnace for hot-pressing sintering, and after sintering is finished, releasing pressure of the graphite mold out of the furnace after the temperature of the furnace is reduced to 800 ℃, so as to obtain a sintered drill bit;
step four: and machining the sintered drill bit, and then installing the drill bit on a drill rod.
2. The method of manufacturing a polycrystalline diamond drill bit for geological exploration, according to claim 1, wherein: the adhesive is a mixture of one or more of cobalt, nickel and molybdenum, the metal powder is a mixture of one or more of tungsten carbide powder and titanium powder, the temperature in the vacuum furnace is 980 ℃, the pressure is 18MPa, and the heat preservation time is 7 min.
3. The method of manufacturing a polycrystalline diamond drill bit for geological exploration, according to claim 1, wherein: the material mixing equipment comprises a working plate (1), wherein supporting plates (2) are fixedly connected to two sides of the top of the working plate (1), a stirring assembly (3) is arranged between two opposite sides of the supporting plates (2), and a driving assembly (4) is arranged on one side of the top of the working plate (1);
the stirring assembly (3) comprises a fixing frame (31), a stirring barrel (32) is arranged inside the fixing frame (31), a plurality of fixing blocks (33) are fixedly connected to the inner surface of the fixing frame (31), an object placing groove (34) is formed in one side of each fixing block (33), a strong spring (35) is fixedly connected to the inner surface of the object placing groove (34), a sliding plate (36) is fixedly connected to one end of each strong spring (35), a connecting rod (37) is fixedly connected to one side of each sliding plate (36), the outer surface of each sliding plate (36) slides along the inner surface of the object placing groove (34), one end of each connecting rod (37) is fixedly connected to the outer surface of the stirring barrel (32), sliding blocks (38) are fixedly connected to the front side and the rear side of the top and the bottom of the stirring barrel (32), and a movable plate (30) is fixedly connected to the upper side and the lower, sliding grooves (39) are formed in the front side and the rear side of the top and the bottom of the fixing frame (31), and the inner surfaces of the sliding grooves (39) are connected with the outer surfaces of the sliding blocks (38) in a sliding mode.
4. The method of manufacturing a polycrystalline diamond drill bit for geological exploration, according to claim 3, wherein: the driving assembly (4) comprises a rotating motor (41) located at the top of the working plate (1), the output end of the rotating motor (41) is fixedly connected with a first grooved pulley (42), two sides of the fixing frame (31) are fixedly connected with connecting shafts (43), one end, far away from the connecting shafts (43), of each connecting shaft penetrates through the supporting plate (2) on one corresponding side, the outer surface of the connecting shaft (43) on the left side is fixedly connected with a second grooved pulley (44), and the inner surface of the first grooved pulley (42) is in transmission connection with the inner surface of the second grooved pulley (44) through a V-shaped belt (45).
5. The method of manufacturing a polycrystalline diamond drill bit for geological exploration, according to claim 3, wherein: the top through connection of agitator (32) has material pipe (46), the top of material pipe (46) runs through mount (31) and extends to the outside of mount (31), the bottom fixedly connected with agitator motor (47) of agitator (32), stroke groove (48) have all been seted up to the top and the bottom of mount (31), are located the top the internal surface of stroke groove (48) and the surface sliding connection of material pipe (46) are located the below the internal surface of stroke groove (48) and the surface sliding connection of agitator motor (47).
6. The method of manufacturing a polycrystalline diamond drill bit for geological exploration, according to claim 5, wherein: the output of agitator motor (47) passes through shaft coupling fixedly connected with (mixing) shaft (5), the top of (mixing) shaft (5) runs through agitator (32) and extends to the inside of agitator (32), the external fixed surface of (mixing) shaft (5) is connected with a plurality of stirring fan blade (6), the external fixed surface of (mixing) shaft (5) is connected with brush hair pole (7), brush hair pole (7) are located the below of stirring fan blade (6), one side fixedly connected with brush hair of brush hair pole (7), and the brush hair contacts with the internal surface of agitator (32), brush hair pole (7) be a U font component, the top of (mixing) shaft (5) is through fixed cover fixedly connected with dead lever (8), the both ends of dead lever (8) respectively with the both ends fixed connection of brush hair pole (7).
7. The method of manufacturing a polycrystalline diamond drill bit for geological exploration, according to claim 5, wherein: the utility model discloses a material pipe, including material pipe (46), baffle (9), the internal surface of material pipe (46) is provided with baffle (9), the external fixed surface of baffle (9) is connected with elastic rubber sleeve (10) to the equal fixedly connected with axis of rotation (11) in both sides of baffle (9), the equal fixedly connected with in both sides of side pipe puts thing dish (13), the both ends of axis of rotation (11) all run through material pipe (46) in proper order and put thing dish (13) and extend to the outside of putting thing dish (13) to the equal fixedly connected with rolling disc (14) in both ends of axis of rotation (11), the internal surface of putting thing dish (13) and rolling disc (14) surface sliding connection, one side fixedly connected with regulating part (15) of rolling disc (14).
8. The method of manufacturing a polycrystalline diamond drill bit for geological exploration, according to claim 7, wherein: spacing groove (16) have all been seted up to the both sides on rolling disc (14) surface, four draw-in grooves (17) have been seted up to the internal surface of putting thing dish (13), and two are adjacent contained angle between draw-in groove (17) is 90 to the internal surface fixedly connected with spacing spring (18) of draw-in groove (17), the one end fixedly connected with stopper (12) of spacing spring (18), the surface of stopper (12) and the internal surface looks adaptation of spacing groove (16).
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| CN202011097488.6A CN112316806A (en) | 2020-10-14 | 2020-10-14 | Manufacturing method of polycrystalline diamond drill bit for geological exploration |
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| CN202011097488.6A CN112316806A (en) | 2020-10-14 | 2020-10-14 | Manufacturing method of polycrystalline diamond drill bit for geological exploration |
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| CN113578084A (en) * | 2021-06-24 | 2021-11-02 | 董钊 | Emulsification equipment is used in cosmetics production |
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