CN106903488B - A kind of preparation method of geological drill bit - Google Patents
A kind of preparation method of geological drill bit Download PDFInfo
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- CN106903488B CN106903488B CN201710246389.1A CN201710246389A CN106903488B CN 106903488 B CN106903488 B CN 106903488B CN 201710246389 A CN201710246389 A CN 201710246389A CN 106903488 B CN106903488 B CN 106903488B
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- cutter head
- metal tube
- drilling
- drilling cutter
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 131
- 229910052751 metal Inorganic materials 0.000 claims abstract description 102
- 239000002184 metal Substances 0.000 claims abstract description 102
- 238000003466 welding Methods 0.000 claims abstract description 29
- 229910000679 solder Inorganic materials 0.000 claims abstract description 19
- 229910000806 Latten Inorganic materials 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims description 58
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 35
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 35
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 35
- 239000011521 glass Substances 0.000 claims description 35
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 35
- 230000006698 induction Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 13
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 239000010931 gold Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000004663 powder metallurgy Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004021 metal welding Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
Abstract
The invention discloses a kind of preparation methods of new-type geological drill bit comprising following processing step：A, metal tube is prepared；B, drilling cutter head is prepared；C, metal tube and drilling cutter head assemble；D, inserting latten(-tin) and coated with solder；E, high-frequency welding；F, cooling.Be designed by above-mentioned processing step, which effectively production can prepare geological drill bit, simple for process, to prepare processing cost low, and it is prepared made of geological drill bit have the advantages that reliability is good, with long service life.
Description
Technical field
The present invention relates to geological drill bit technical field more particularly to a kind of preparation methods of geological drill bit.
Background technology
Reinforced in the improvement of urban skyscraper, subway station god's foundation pit enclosure, river dyke anti-seepage reinforcing and Soft Soil etc.
In the process of construction of underground infrastructure, diaphram wall is largely built using SMW engineering method equipment at present, that is, uses multiple-drill press
Continuous drilling is carried out, and soil and cement mortar is mixed in the original location and are inserted into shaped steel to build the skill of underground earth-retaining mine dam
Art plays the role of earth-retaining, antiseepage.
Wherein, geological drilling rig generally realizes that soil property is excavated by geological drill bit, and exists in the prior art and be in various forms
Geological drill bit production.However, for existing geological drill bit product, in actual production and processing, generally existing system
Standby processing inconvenience and defect of high cost.
Invention content
The purpose of the present invention is to solve the shortcomings of the prior art and a kind of preparation method of geological drill bit is provided, the geology
The preparation method of drill bit effectively production can prepare geological drill bit, simple for process, to prepare processing cost low, and prepared form
Geological drill bit have the advantages that reliability is good, with long service life.
In order to achieve the above objectives, the present invention is achieved through the following technical solutions.
A kind of preparation method of geological drill bit includes following processing step, specifically：
A, metal tube is prepared：Metal tube is chosen and cut according to design size, and design size includes body central
The height value of the diameter value in hole, the outer diameter value of metal tube, metal tube, is then positioned over lathe simultaneously by the metal tube cut
Excircle turning male threaded joint in metal tube lower end；After waiting for male threaded joint turning, by metal tube
It is positioned over numerically controlled lathe and cutter head mounting groove is processed in the upper edge of metal tube by numerically controlled lathe, on metal tube
According to design setting and all cutter head mounting grooves, circumferentially ring-type is evenly spaced on the quantity of the cutter head mounting groove of end edge edge,
Each cutter head mounting groove respectively along metal tube diametric(al) completely through and upwardly opening respectively, adjacent two cutter heads peace
Cutter head clamping locating piece is formed between tankage；
B, drilling cutter head is prepared：Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, bortz powder accurately are weighed, then will
Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, the bortz powder weighed, which is placed in ball mill, is ground mixing to obtain
Cutter head powder；After the completion of waiting for prepared by cutter head powder, drilling cutter head is processed by powder metallurgy forming mode, drilling cutter head is in circular arc
The left end vertical edges edge of curved shape, drilling cutter head offers the vertical clamping of left end completely through and towards left side opening up and down
The right end vertical edges edge of slot, drilling cutter head offers the vertical support slot of right end up and down completely through and towards right openings；Its
In, iron powder in cutter head powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, seven kinds of materials of bortz powder parts by weight be followed successively by：
Iron powder 10%-40%
Copper powder 10%-30%
Cobalt powder 10%-30%
Tungsten powder 10%-30%
Nickel powder 5%-20%
Glass putty 3%-15%
Bortz powder 20%-50%；
C, metal tube and drilling cutter head assemble：It is each by drilling cutter head in the cutter head mounting groove of metal tube
A drilling cutter head is embedded in a cutter head mounting groove, the diameter value in the inner arc face of each drilling cutter head is more straight than body central hole
The diameter value of the small 3mm-6mm of diameter value, the outer arc face of each drilling cutter head are bigger 3mm-6mm than the outer diameter value of metal tube, each to bore
The bottom surface for being put in corresponding cutter head mounting groove is taken in the lower end of sharpener head respectively, and the upper end of each drilling cutter head extends respectively to metal
The upper surface of the upper end side of tube body upper end-face edge and all drilling cutter heads is horizontal concordant, and the left end of each cutter head clamping locating piece is vertical
Edge part is embedded in respectively in the vertical support slot in right side of the drilling cutter head of corresponding side, and the right end of each cutter head clamping locating piece is vertical
Edge part is embedded in respectively in the vertical support slot in left side of the drilling cutter head of corresponding side；
D, inserting latten(-tin) and coated with solder：Latten(-tin) is inserted into gap between each drilling cutter head and metal tube, and
Afterwards in the seam crossing coated with solder of drilling cutter head and metal tube；
E, high-frequency welding：Assembly is finished and the geological drill bit assembly parts coated with solder are positioned in high-frequency induction welder, is opened
Dynamic high-frequency induction welder simultaneously completes each drilling cutter head and metal tube high-frequency welding, and the time of high-frequency welding is -15 minutes 3 minutes, high
The temperature of frequency welding is 700 degrees Celsius -900 degrees Celsius；
F, cooling：After waiting for high-frequency induction welder welding, geological drill bit is removed into high-frequency induction welder, and geological drill bit is in natural ring
It is cooling under border.
Wherein, the metal tube is steel tube body or irony tube body.
Wherein, in the cutter head powder iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, seven kinds of glass putty, bortz powder materials weight
Amount part is followed successively by：
Iron powder 10%-20%
Copper powder 10%-20%
Cobalt powder 10%-20%
Tungsten powder 10%-20%
Nickel powder 5%-10%
Glass putty 3%-10%
Bortz powder 30%-50%.
Wherein, in the cutter head powder iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, seven kinds of glass putty, bortz powder materials weight
Amount part is followed successively by：
Iron powder 15%
Copper powder 15%
Cobalt powder 15%
Tungsten powder 15%
Nickel powder 5%
Glass putty 5%
Bortz powder 30%.
Beneficial effects of the present invention are：The preparation method of a kind of geological drill bit of the present invention comprising have following work
Skill step, specifically：A, metal tube is prepared：Metal tube is chosen and cut according to design size, and design size includes pipe
The metal tube cut, is then positioned over by the height value of the diameter value of body centre bore, the outer diameter value of metal tube, metal tube
Lathe and excircle turning male threaded joint in metal tube lower end；It, will be golden after waiting for male threaded joint turning
Belong to tube body to be positioned over numerically controlled lathe and process cutter head mounting groove, metal in the upper edge of metal tube by numerically controlled lathe
The quantity of the cutter head mounting groove of tube body upper edge according to design setting and all cutter head mounting grooves circumferentially it is cyclic annular uniformly between
Every distribution, each cutter head mounting groove respectively along metal tube diametric(al) completely through and it is upwardly opening respectively, adjacent two
Cutter head clamping locating piece is formed between a cutter head mounting groove；B, drilling cutter head is prepared：Accurately weigh iron powder, copper powder, cobalt powder, tungsten
Powder, nickel powder, glass putty, bortz powder then set the iron powder weighed, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, bortz powder
Mixing is ground in ball mill to obtain cutter head powder；After the completion of waiting for prepared by cutter head powder, by powder metallurgy forming side
Formula processes drilling cutter head, and drilling cutter head is in circular arc curved shape, and the left end vertical edges edge of drilling cutter head offers up and down completely
The vertical support slot of left end for running through and being open towards left side, the right end vertical edges edge of drilling cutter head offer up and down completely through and
Towards the vertical support slot of right end of right openings；Wherein, iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, Buddha's warrior attendant in cutter head powder
The parts by weight of seven kinds of materials of mountain flour are followed successively by：Iron powder 10%-40%, copper powder 10%-30%, cobalt powder 10%-30%, tungsten powder 10%-30%, nickel
Powder 5%-20%, glass putty 3%-15%, bortz powder 20%-50%；C, metal tube and drilling cutter head assemble：Drilling cutter head is flush-mounted in
In the cutter head mounting groove of metal tube, a drilling cutter head, the inside circle of each drilling cutter head are embedded in each cutter head mounting groove
The diameter value of cambered surface is smaller 3mm-6mm than the diameter value in body central hole, and the diameter value in the outer arc face of each drilling cutter head is than gold
Belong to the big 3mm-6mm of outer diameter value of tube body, the bottom surface for being put in corresponding cutter head mounting groove is taken in the lower end of each drilling cutter head respectively, each to bore
The upper end of sharpener head extends respectively to the upper end side of metal tube upper end-face edge and the upper surface level of all drilling cutter heads is flat
Together, the left end vertical edges portion of each cutter head clamping locating piece is embedded in the vertical support slot in right side of the drilling cutter head of corresponding side respectively
Interior, the right end vertical edges portion of each cutter head clamping locating piece is embedded in the vertical support slot in left side of the drilling cutter head of corresponding side respectively
It is interior；D, inserting latten(-tin) and coated with solder：Latten(-tin) is inserted into gap between each drilling cutter head and metal tube, then in brill
The seam crossing coated with solder of sharpener head and metal tube；E, high-frequency welding：Assembly is finished and is coated with the geological drill bit of solder
Assembly parts are positioned in high-frequency induction welder, are started high-frequency induction welder and are completed each drilling cutter head and metal tube high-frequency welding, ratio-frequency welding
The time connect is -15 minutes 3 minutes, and the temperature of high-frequency welding is 700 degrees Celsius -900 degrees Celsius；F, cooling：Wait for high-frequency induction welder
After welding, geological drill bit is removed into high-frequency induction welder, and geological drill bit is cooling under natural environment.Pass through above-mentioned processing step
Design, the preparation method effectively production can prepare geological drill bit, it is simple for process, prepare processing cost it is low and prepared and
At geological drill bit have the advantages that reliability is good, with long service life.
Description of the drawings
The present invention is further detailed below with attached drawing, but the embodiment in attached drawing is not constituted to this hair
Bright any restrictions.
Fig. 1 is the structural schematic diagram of geological drill bit made of the present invention is prepared.
Fig. 2 is the decomposition diagram of geological drill bit made of the present invention is prepared.
Fig. 3 is the structural schematic diagram at another visual angle of geological drill bit made of the present invention is prepared.
Fig. 4 is the diagrammatic cross-section of geological drill bit made of the present invention is prepared.
Fig. 5 is the structural schematic diagram of the metal tube of the present invention.
Include in Fig. 1 to Fig. 5：
1 --- metal tube 11 --- body central hole
12 --- male threaded joint 13 --- cutter head mounting grooves
14 --- cutter head clamping locating piece 2 --- drilling cutter heads
21 --- left end vertical support slot 22 --- vertical support slots of right end.
Specific implementation mode
With reference to specific embodiment, the present invention will be described.
Embodiment one, a kind of preparation method of geological drill bit include following processing step, specifically：
A, metal tube 1 is prepared：Metal tube 1 is chosen and cut according to design size, and design size includes in tube body
The height value of the diameter value in heart hole 11, the outer diameter value of metal tube 1, metal tube 1, metal tube 1 are steel tube body or iron
The metal tube 1 cut is then positioned over lathe and connected in the excircle turning external screw thread of 1 lower end of metal tube by matter tube body
Socket part 12；After waiting for 12 turning of male threaded joint, metal tube 1 is positioned over numerically controlled lathe and by numerically controlled lathe in gold
The upper edge for belonging to tube body 1 processes cutter head mounting groove 13, the quantity of the cutter head mounting groove 13 of 1 upper edge of metal tube
According to design setting and all cutter head mounting grooves 13, circumferentially ring-type is evenly spaced on, and each cutter head mounting groove 13 is respectively along gold
Belong to tube body 1 diametric(al) completely through and respectively it is upwardly opening, between two adjacent cutter head mounting grooves 13 formed cutter head card
Hold locating piece 14；
B, drilling cutter head 2 is prepared：Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, bortz powder accurately are weighed, then will
Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, the bortz powder weighed, which is placed in ball mill, is ground mixing to obtain
Cutter head powder；After the completion of waiting for prepared by cutter head powder, drilling cutter head 2 is processed by powder metallurgy forming mode, drilling cutter head 2 is in circle
Arc curved shape, the left end that the left end vertical edges edge of drilling cutter head 2 offers up and down completely through and towards left side opening are vertical
Support slot 21, the right end that the right end vertical edges edge of drilling cutter head 2 offers up and down completely through and towards right openings vertically block
Hold slot 22；Wherein, in cutter head powder iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, seven kinds of glass putty, bortz powder materials parts by weight
It is followed successively by：
Iron powder 15%
Copper powder 15%
Cobalt powder 15%
Tungsten powder 15%
Nickel powder 5%
Glass putty 5%
Bortz powder 30%；
C, metal tube 1 is assembled with drilling cutter head 2：Drilling cutter head 2 is flush-mounted in the cutter head mounting groove 13 of metal tube 1
It is interior, a drilling cutter head 2 is embedded in each cutter head mounting groove 13, the diameter value in the inner arc face of each drilling cutter head 2 is than pipe
The small 3mm-6mm of diameter value of body centre bore 11, the outer diameter of the diameter value in the outer arc face of each drilling cutter head 2 than metal tube 1
It is worth big 3mm-6mm, the bottom surface for being put in corresponding cutter head mounting groove 13 is taken in the lower end of each drilling cutter head 2 respectively, each drilling cutter head 2
Upper end extends respectively to the upper end side of 1 upper end-face edge of metal tube and the upper surface of all drilling cutter heads 2 is horizontal concordant, each knife
In the vertical support slot in right side for the drilling cutter head 2 that the left end vertical edges portion of head clamping locating piece 14 is embedded in corresponding side respectively,
The right end vertical edges portion of each cutter head clamping locating piece 14 is embedded in the vertical support slot in left side of the drilling cutter head 2 of corresponding side respectively
It is interior；
D, inserting latten(-tin) and coated with solder：Latten(-tin) is inserted into gap between each drilling cutter head 2 and metal tube 1,
Then in the seam crossing coated with solder of drilling cutter head 2 and metal tube 1；
E, high-frequency welding：Assembly is finished and the geological drill bit assembly parts coated with solder are positioned in high-frequency induction welder, is opened
Dynamic high-frequency induction welder simultaneously completes each drilling cutter head 2 and 1 high-frequency welding of metal tube, and the time of high-frequency welding is -15 minutes 3 minutes,
The temperature of high-frequency welding is 700 degrees Celsius -900 degrees Celsius；
F, cooling：After waiting for high-frequency induction welder welding, geological drill bit is removed into high-frequency induction welder, and geological drill bit is in natural ring
It is cooling under border.
For the drilling cutter head 2 of the present embodiment one, by 15% iron powder, 15% copper powder, 15% cobalt powder, 15% tungsten powder, 5%
Nickel powder, 5% glass putty, 30% bortz powder composition, the drilling cutter head 2 of the material combinations is high with hardness, wearability is good, service life
Long advantage.
In addition, for geological drill bit made of the present embodiment one is prepared, the left end of each cutter head clamping locating piece 14
Vertical edges portion is embedded in respectively in the vertical support slot in right side of the drilling cutter head 2 of corresponding side, each cutter head clamping locating piece 14
Right end vertical edges portion is embedded in respectively in the vertical support slot in left side of the drilling cutter head 2 of corresponding side, i.e., the present embodiment one is each
Drilling cutter head 2 is fixed by two adjacent 14 clampings of cutter head clamping locating piece, and each cutter head clamping locating piece 14 and metal tube
Body 1 is structure as a whole；The assembly structure design can effectively enhance the intensity of drilling cutter head 2, and then improve 2 work of drilling cutter head
Reliability when making simultaneously prolongs the service life.
Based on the above situation, it may be appreciated that being designed by above-mentioned processing step, the preparation method of the present embodiment one can be effectively
Production prepares geological drill bit, simple for process, to prepare processing cost low, and it is prepared made of geological drill bit there is reliability
Good, advantage with long service life.
Embodiment two, a kind of preparation method of geological drill bit include following processing step, specifically：
A, metal tube 1 is prepared：Metal tube 1 is chosen and cut according to design size, and design size includes in tube body
The height value of the diameter value in heart hole 11, the outer diameter value of metal tube 1, metal tube 1, metal tube 1 are steel tube body or iron
The metal tube 1 cut is then positioned over lathe and connected in the excircle turning external screw thread of 1 lower end of metal tube by matter tube body
Socket part 12；After waiting for 12 turning of male threaded joint, metal tube 1 is positioned over numerically controlled lathe and by numerically controlled lathe in gold
The upper edge for belonging to tube body 1 processes cutter head mounting groove 13, the quantity of the cutter head mounting groove 13 of 1 upper edge of metal tube
According to design setting and all cutter head mounting grooves 13, circumferentially ring-type is evenly spaced on, and each cutter head mounting groove 13 is respectively along gold
Belong to tube body 1 diametric(al) completely through and respectively it is upwardly opening, between two adjacent cutter head mounting grooves 13 formed cutter head card
Hold locating piece 14；
B, drilling cutter head 2 is prepared：Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, bortz powder accurately are weighed, then will
Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, the bortz powder weighed, which is placed in ball mill, is ground mixing to obtain
Cutter head powder；After the completion of waiting for prepared by cutter head powder, drilling cutter head 2 is processed by powder metallurgy forming mode, drilling cutter head 2 is in circle
Arc curved shape, the left end that the left end vertical edges edge of drilling cutter head 2 offers up and down completely through and towards left side opening are vertical
Support slot 21, the right end that the right end vertical edges edge of drilling cutter head 2 offers up and down completely through and towards right openings vertically block
Hold slot 22；Wherein, in cutter head powder iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, seven kinds of glass putty, bortz powder materials parts by weight
It is followed successively by：
Iron powder 10%
Copper powder 10%
Cobalt powder 10%
Tungsten powder 10%
Nickel powder 5%
Glass putty 5%
Bortz powder 50%；
C, metal tube 1 is assembled with drilling cutter head 2：Drilling cutter head 2 is flush-mounted in the cutter head mounting groove 13 of metal tube 1
It is interior, a drilling cutter head 2 is embedded in each cutter head mounting groove 13, the diameter value in the inner arc face of each drilling cutter head 2 is than pipe
The small 3mm-6mm of diameter value of body centre bore 11, the outer diameter of the diameter value in the outer arc face of each drilling cutter head 2 than metal tube 1
It is worth big 3mm-6mm, the bottom surface for being put in corresponding cutter head mounting groove 13 is taken in the lower end of each drilling cutter head 2 respectively, each drilling cutter head 2
Upper end extends respectively to the upper end side of 1 upper end-face edge of metal tube and the upper surface of all drilling cutter heads 2 is horizontal concordant, each knife
In the vertical support slot in right side for the drilling cutter head 2 that the left end vertical edges portion of head clamping locating piece 14 is embedded in corresponding side respectively,
The right end vertical edges portion of each cutter head clamping locating piece 14 is embedded in the vertical support slot in left side of the drilling cutter head 2 of corresponding side respectively
It is interior；
D, inserting latten(-tin) and coated with solder：Latten(-tin) is inserted into gap between each drilling cutter head 2 and metal tube 1,
Then in the seam crossing coated with solder of drilling cutter head 2 and metal tube 1；
E, high-frequency welding：Assembly is finished and the geological drill bit assembly parts coated with solder are positioned in high-frequency induction welder, is opened
Dynamic high-frequency induction welder simultaneously completes each drilling cutter head 2 and 1 high-frequency welding of metal tube, and the time of high-frequency welding is -15 minutes 3 minutes,
The temperature of high-frequency welding is 700 degrees Celsius -900 degrees Celsius；
F, cooling：After waiting for high-frequency induction welder welding, geological drill bit is removed into high-frequency induction welder, and geological drill bit is in natural ring
It is cooling under border.
For the drilling cutter head 2 of the present embodiment two, by 10% iron powder, 10% copper powder, 10% cobalt powder, 10% tungsten powder, 5%
Nickel powder, 5% glass putty, 50% bortz powder composition, the drilling cutter head 2 of the material combinations is high with hardness, wearability is good, service life
Long advantage.
In addition, for geological drill bit made of the present embodiment two is prepared, the left end of each cutter head clamping locating piece 14
Vertical edges portion is embedded in respectively in the vertical support slot in right side of the drilling cutter head 2 of corresponding side, each cutter head clamping locating piece 14
Right end vertical edges portion is embedded in respectively in the vertical support slot in left side of the drilling cutter head 2 of corresponding side, i.e., the present embodiment two is each
Drilling cutter head 2 is fixed by two adjacent 14 clampings of cutter head clamping locating piece, and each cutter head clamping locating piece 14 and metal tube
Body 1 is structure as a whole；The assembly structure design can effectively enhance the intensity of drilling cutter head 2, and then improve 2 work of drilling cutter head
Reliability when making simultaneously prolongs the service life.
Based on the above situation, it may be appreciated that being designed by above-mentioned processing step, the preparation method of the present embodiment two can be effectively
Production prepares geological drill bit, simple for process, to prepare processing cost low, and it is prepared made of geological drill bit there is reliability
Good, advantage with long service life.
Embodiment three, a kind of preparation method of geological drill bit include following processing step, specifically：
A, metal tube 1 is prepared：Metal tube 1 is chosen and cut according to design size, and design size includes in tube body
The height value of the diameter value in heart hole 11, the outer diameter value of metal tube 1, metal tube 1, metal tube 1 are steel tube body or iron
The metal tube 1 cut is then positioned over lathe and connected in the excircle turning external screw thread of 1 lower end of metal tube by matter tube body
Socket part 12；After waiting for 12 turning of male threaded joint, metal tube 1 is positioned over numerically controlled lathe and by numerically controlled lathe in gold
The upper edge for belonging to tube body 1 processes cutter head mounting groove 13, the quantity of the cutter head mounting groove 13 of 1 upper edge of metal tube
According to design setting and all cutter head mounting grooves 13, circumferentially ring-type is evenly spaced on, and each cutter head mounting groove 13 is respectively along gold
Belong to tube body 1 diametric(al) completely through and respectively it is upwardly opening, between two adjacent cutter head mounting grooves 13 formed cutter head card
Hold locating piece 14；
B, drilling cutter head 2 is prepared：Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, bortz powder accurately are weighed, then will
Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, the bortz powder weighed, which is placed in ball mill, is ground mixing to obtain
Cutter head powder；After the completion of waiting for prepared by cutter head powder, drilling cutter head 2 is processed by powder metallurgy forming mode, drilling cutter head 2 is in circle
Arc curved shape, the left end that the left end vertical edges edge of drilling cutter head 2 offers up and down completely through and towards left side opening are vertical
Support slot 21, the right end that the right end vertical edges edge of drilling cutter head 2 offers up and down completely through and towards right openings vertically block
Hold slot 22；Wherein, in cutter head powder iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, seven kinds of glass putty, bortz powder materials parts by weight
It is followed successively by：
Iron powder 10%
Copper powder 10%
Cobalt powder 10%
Tungsten powder 10%
Nickel powder 10%
Glass putty 10%
Bortz powder 40%；
C, metal tube 1 is assembled with drilling cutter head 2：Drilling cutter head 2 is flush-mounted in the cutter head mounting groove 13 of metal tube 1
It is interior, a drilling cutter head 2 is embedded in each cutter head mounting groove 13, the diameter value in the inner arc face of each drilling cutter head 2 is than pipe
The small 3mm-6mm of diameter value of body centre bore 11, the outer diameter of the diameter value in the outer arc face of each drilling cutter head 2 than metal tube 1
It is worth big 3mm-6mm, the bottom surface for being put in corresponding cutter head mounting groove 13 is taken in the lower end of each drilling cutter head 2 respectively, each drilling cutter head 2
Upper end extends respectively to the upper end side of 1 upper end-face edge of metal tube and the upper surface of all drilling cutter heads 2 is horizontal concordant, each knife
In the vertical support slot in right side for the drilling cutter head 2 that the left end vertical edges portion of head clamping locating piece 14 is embedded in corresponding side respectively,
The right end vertical edges portion of each cutter head clamping locating piece 14 is embedded in the vertical support slot in left side of the drilling cutter head 2 of corresponding side respectively
It is interior；
D, inserting latten(-tin) and coated with solder：Latten(-tin) is inserted into gap between each drilling cutter head 2 and metal tube 1,
Then in the seam crossing coated with solder of drilling cutter head 2 and metal tube 1；
E, high-frequency welding：Assembly is finished and the geological drill bit assembly parts coated with solder are positioned in high-frequency induction welder, is opened
Dynamic high-frequency induction welder simultaneously completes each drilling cutter head 2 and 1 high-frequency welding of metal tube, and the time of high-frequency welding is -15 minutes 3 minutes,
The temperature of high-frequency welding is 700 degrees Celsius -900 degrees Celsius；
F, cooling：After waiting for high-frequency induction welder welding, geological drill bit is removed into high-frequency induction welder, and geological drill bit is in natural ring
It is cooling under border.
For the drilling cutter head 2 of the present embodiment three, by 10% iron powder, 10% copper powder, 10% cobalt powder, 10% tungsten powder, 10%
Nickel powder, 10% glass putty, 40% bortz powder composition, the drilling cutter head 2 of the material combinations is high with hardness, wearability is good, uses the longevity
Order long advantage.
In addition, for geological drill bit made of the present embodiment three is prepared, the left end of each cutter head clamping locating piece 14
Vertical edges portion is embedded in respectively in the vertical support slot in right side of the drilling cutter head 2 of corresponding side, each cutter head clamping locating piece 14
Right end vertical edges portion is embedded in respectively in the vertical support slot in left side of the drilling cutter head 2 of corresponding side, i.e., the present embodiment three is each
Drilling cutter head 2 is fixed by two adjacent 14 clampings of cutter head clamping locating piece, and each cutter head clamping locating piece 14 and metal tube
Body 1 is structure as a whole；The assembly structure design can effectively enhance the intensity of drilling cutter head 2, and then improve 2 work of drilling cutter head
Reliability when making simultaneously prolongs the service life.
Based on the above situation, it may be appreciated that being designed by above-mentioned processing step, the preparation method of the present embodiment three can be effectively
Production prepares geological drill bit, simple for process, to prepare processing cost low, and it is prepared made of geological drill bit there is reliability
Good, advantage with long service life.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (4)
1. a kind of preparation method of geological drill bit, which is characterized in that include following processing step, specifically：
A, metal tube is prepared（1）：It is chosen according to design size and cuts metal tube（1）, design size includes in tube body
Heart hole（11）Diameter value, metal tube（1）Outer diameter value, metal tube（1）Height value, the metal tube that will then cut
（1）It is positioned over lathe and in metal tube（1）The excircle turning male threaded joint of lower end（12）；Wait for male threaded joint
（12）After turning, by metal tube（1）It is positioned over numerically controlled lathe and by numerically controlled lathe in metal tube（1）Upper end edge
Edge processes cutter head mounting groove（13）, metal tube（1）The cutter head mounting groove of upper edge（13）Quantity according to design
Setting and all cutter head mounting grooves（13）Circumferentially ring-type is evenly spaced on, each cutter head mounting groove（13）Respectively along metal tube
Body（1）Diametric(al) completely through and upwardly opening, adjacent two cutter head mounting grooves respectively（13）Between formed cutter head card
Hold locating piece（14）；
B, drilling cutter head is prepared（2）：Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, bortz powder accurately are weighed, will then be claimed
Iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, the bortz powder taken, which is placed in ball mill, is ground mixing to obtain knife
Head powder；After the completion of waiting for prepared by cutter head powder, drilling cutter head is processed by powder metallurgy forming mode（2）, drilling cutter head（2）It is in
Circular arc curved shape, drilling cutter head（2）Left end vertical edges edge offer up and down completely through and towards left side opening left end
Vertical support slot（21）, drilling cutter head（2）Right end vertical edges edge offer the right side completely through and towards right openings up and down
Hold vertical support slot（22）；Wherein, seven kinds of iron powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, bortz powder objects in cutter head powder
The parts by weight of material are followed successively by：
Iron powder 10%-40%
Copper powder 10%-30%
Cobalt powder 10%-30%
Tungsten powder 10%-30%
Nickel powder 5%-20%
Glass putty 3%-15%
Bortz powder 20%-50%；
C, metal tube（1）With drilling cutter head（2）Assembly：By drilling cutter head（2）Flush-mounted in metal tube（1）Cutter head mounting groove
（13）It is interior, each cutter head mounting groove（13）It is interior to be embedded in a drilling cutter head（2）, each drilling cutter head（2）Inner arc face
Diameter value is than body central hole（11）The small 3mm-6mm of diameter value, each drilling cutter head（2）Outer arc face diameter value than gold
Belong to tube body（1）The big 3mm-6mm of outer diameter value, each drilling cutter head（2）Lower end take be put in corresponding cutter head mounting groove respectively（13）
Bottom surface, each drilling cutter head（2）Upper end extend respectively to metal tube（1）The upper end side of upper end-face edge and all drilling knives
Head（2）Upper surface it is horizontal concordant, each cutter head clamping locating piece（14）Left end vertical edges portion be embedded in corresponding side respectively
Drilling cutter head（2）The vertical support slot in right side in, each cutter head clamping locating piece（14）Right end vertical edges portion be embedded in respectively
The drilling cutter head of corresponding side（2）The vertical support slot in left side in；
D, inserting latten(-tin) and coated with solder：Each drilling cutter head（2）With metal tube（1）Between gap in be inserted into latten(-tin),
Then in drilling cutter head（2）With metal tube（1）Seam crossing coated with solder；
E, high-frequency welding：Assembly is finished and the geological drill bit assembly parts coated with solder are positioned in high-frequency induction welder, is started high
Frequency welding machine simultaneously completes each drilling cutter head（2）With metal tube（1）The time of high-frequency welding, high-frequency welding is -15 minutes 3 minutes,
The temperature of high-frequency welding is 700 degrees Celsius -900 degrees Celsius；
F, cooling：After waiting for high-frequency induction welder welding, geological drill bit is removed into high-frequency induction welder, and geological drill bit is under natural environment
It is cooling.
2. a kind of preparation method of geological drill bit according to claim 1, it is characterised in that：The metal tube（1）For
Steel tube body or irony tube body.
3. a kind of preparation method of geological drill bit according to claim 1, it is characterised in that：Iron in the cutter head powder
Powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, seven kinds of materials of bortz powder parts by weight be followed successively by：
Iron powder 10%-20%
Copper powder 10%-20%
Cobalt powder 10%-20%
Tungsten powder 10%-20%
Nickel powder 5%-10%
Glass putty 3%-10%
Bortz powder 30%-50%.
4. a kind of preparation method of geological drill bit according to claim 3, it is characterised in that：Iron in the cutter head powder
Powder, copper powder, cobalt powder, tungsten powder, nickel powder, glass putty, seven kinds of materials of bortz powder parts by weight be followed successively by：
Iron powder 15%
Copper powder 15%
Cobalt powder 15%
Tungsten powder 15%
Nickel powder 5%
Glass putty 5%
Bortz powder 30%.
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| US9394746B2 (en) * | 2012-05-16 | 2016-07-19 | Baker Hughes Incorporated | Utilization of expandable reamer blades in rigid earth-boring tool bodies |
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| CN1617974A (en) * | 2002-02-12 | 2005-05-18 | 贝泰克采矿和硬合金技术卡尔-海因茨·西蒙两合公司 | Drilling tool |
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| CN106903488A (en) | 2017-06-30 |
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