CN109909521B - Multi-station processing machine for water injection holes of rock drilling column tooth drill bit - Google Patents
Multi-station processing machine for water injection holes of rock drilling column tooth drill bit Download PDFInfo
- Publication number
- CN109909521B CN109909521B CN201910276217.8A CN201910276217A CN109909521B CN 109909521 B CN109909521 B CN 109909521B CN 201910276217 A CN201910276217 A CN 201910276217A CN 109909521 B CN109909521 B CN 109909521B
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- Prior art keywords
- drill bit
- drill
- corner
- sliding plate
- water injection
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000002347 injection Methods 0.000 title claims abstract description 48
- 239000007924 injection Substances 0.000 title claims abstract description 48
- 239000011435 rock Substances 0.000 title claims abstract description 24
- 238000005553 drilling Methods 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000001360 synchronised effect Effects 0.000 claims abstract description 17
- 239000000498 cooling water Substances 0.000 claims description 10
- 230000007547 defect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Earth Drilling (AREA)
Abstract
The multi-station processing machine for the water injection holes of the rock drill teeth drill bits comprises a machine base, a workbench is arranged on the machine base, a workpiece fixing mechanism and an electric drill bit are arranged on the workbench, the workpiece fixing mechanism comprises a sliding plate arranged on the workbench, the sliding plate is driven by a reciprocating transmission mechanism, drill bit holders are arranged on the sliding plate, each drill bit holder comprises a drill bit placing groove formed in the machine base, clamping blocks and clamping plates are arranged in the drill bit placing grooves, clamping cylinders are arranged on the outer walls of the machine base, piston rods of the clamping cylinders penetrate through the machine base to be connected with the clamping plates, positioning rods are arranged on the inner walls of the drill bit placing grooves, corner shafts are arranged at two ends of the machine base, supporting frames are arranged on the sliding plate, shaft holes are formed in the supporting frames, the shaft holes are matched with the corner shafts, the electric drill bit comprises a drill base arranged on the machine base, drill chucks are arranged on the drill base, the drill chucks are more than 4, the drill chucks are respectively connected with synchronous pulleys, the drill bit motors drive the synchronous pulleys, and the synchronous pulleys are driven by the drill bit motors.
Description
Technical Field
The invention relates to processing equipment of a rock drill column tooth drill bit, in particular to a multi-station processing machine for processing water injection holes of a plurality of rock drill column tooth drill bits at one time.
Background
The water injection hole is formed in the drill bit for drilling, the drill bit is cooled and deslagged through cooling water, damage to the drill bit due to high temperature during drilling is avoided, and rock particles are timely discharged. The existing rock drill bit water injection hole is processed by adopting an electric bench drill, when the electric bench drill works, an operator pulls a handle by hand, the rotary drill bit moves downwards by the downward pressure of the handle to complete drilling, one hole is processed each time, however, two water injection holes are formed in one drill bit, and each drill bit is required to be clamped and fixed on a bench drill workbench manually for two times. Therefore, the existing bench drill for processing the water injection hole of the drill bit has the defects of high labor intensity, low working efficiency, high labor wage cost, uneven manual pressing force, high drill loss and poor precision of processing the water injection hole, and is easy to discard products.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the multi-station processing machine for the water injection holes of the tooth drill bit of the rock drill column, which has the advantages of automatic clamping of drill bit workpieces, automatic conversion of processing positions to complete the processing of two water injection holes, automatic workpiece pushing, high working efficiency, improvement of efficiency by more than two times, labor cost saving, reduced labor intensity of workers, less loss of drill bits, good processing precision and high product yield.
The invention relates to a multi-station processing machine for water injection holes of a rock drilling column tooth drill bit, which comprises the following technical scheme: the drill bit clamping device comprises a machine base, wherein a workbench is arranged on the machine base, a workpiece fixing mechanism and an electric drill bit are arranged on the workbench, the workpiece fixing mechanism comprises a sliding plate arranged on the workbench, the sliding plate moves forwards and backwards through the action of a reciprocating transmission mechanism, a drill bit clamp is arranged on the sliding plate, the drill bit clamp comprises a machine base, a drill bit placing groove is formed in the machine base, a clamping fixture block and a clamping plate are arranged in the drill bit placing groove, a clamping cylinder is arranged on the outer wall of the machine base, a piston rod of the clamping cylinder penetrates through the machine base to be connected with the clamping plate, a positioning rod is arranged on the inner wall of the drill bit placing groove, the positioning rod corresponds to a drill bit workpiece, two ends of the machine base are provided with corner shafts, a supporting frame is arranged on the sliding plate, a shaft hole is formed in the supporting frame, the shaft hole is matched with the corner shafts, the corner shafts are driven by the corner shafts, the machine base and the clamping fixture block and the clamping cylinder rotate by 10 degrees, the drill bit workpiece forms an included angle of 80 degrees with the horizontal direction, the machine base is driven by the corner shafts, the machine base and the clamping fixture block and the clamping cylinder rotate by 25 degrees, the drill bit workpiece forms an included angle of 55 degrees with the horizontal direction, and the electric drill bit comprises a drill bit and a clamping head is correspondingly connected with a drill bit 4 on a drill chuck.
The invention discloses a multi-station processing machine for water injection holes of a rock drilling column tooth drill bit. When in work, firstly, an operator puts a pre-processed drill bit workpiece into a drill bit placing groove of a holder, one corner of the drill bit workpiece corresponds to a positioning rod, so that the drill bit workpiece is positioned, then, a piston rod of a clamping cylinder is controlled by an automatic control circuit to drive a clamping plate to move, one side of the drill bit workpiece is pressed by the clamping plate, the other side of the drill bit workpiece is contacted with a clamping fixture block in the drill bit placing groove, so that the drill bit workpiece is clamped, at the moment, a drill bit motor, a reciprocating transmission mechanism and a corner mechanism are controlled by the automatic control circuit to work together, the drill bit motor drives a synchronous belt to operate, the synchronous belt drives each drill chuck to synchronously rotate through a synchronous belt pulley, the drill chuck drives a drill bit to rotate, the reciprocating transmission mechanism drives a sliding plate to slide towards one side of the drill bit, the sliding plate drives a drill bit holder to slide towards one side of the drill bit, the drill bit workpiece on the drill bit holder gradually moves towards one side of the drill bit, the corner mechanism drives the drill bit holder and the drill bit workpiece to rotate for 10 degrees (because the surface of the part to be drilled of the drill bit workpiece is inclined for 10 degrees), the surface of the part to be drilled of the drill bit workpiece is vertical to the drill bit, at the moment, a shallower positioning hole is drilled on the surface of the drill bit workpiece by the drill bit, then a sliding plate is driven by a reciprocating transmission mechanism to move rightwards, the sliding plate drives the drill bit holder and the drill bit workpiece to withdraw from the drill bit, at the moment, the corner mechanism drives the drill bit holder and the drill bit workpiece to rotate for 25 degrees again, then a water injection hole (water injection inclined hole) is drilled by the drill bit facing the positioning hole, the water injection hole is communicated with the inner hole of the drill bit workpiece (the drill bit workpiece is provided with the inner hole), at last the reciprocating transmission mechanism drives the drill bit holder and the drill bit workpiece to withdraw from the drill bit, and the drill bit motor stops working, the piston rod of the clamping cylinder drives the clamping plate to loosen the drill bit workpiece, an operator rotates the drill bit workpiece by 120 degrees, the above actions are repeated, and the water injection hole is reprocessed on the other surface of the drill bit workpiece, so that all operations are completed (the processing of the two water injection holes is completed). According to the multi-station processing machine for the water injection holes of the rock drill bit of the rock drill column, more than 4 or 4 drill bit workpieces can be processed simultaneously, an operator only needs to put the drill bit workpieces into the drill bit placing groove, clamping and moving of the workpieces are both automatic operation, after the positioning holes are processed, the drill bit clamp and the drill bit workpieces are automatically rotated, secondary adjustment rotation and clamping fixation are not needed after the drill bit workpieces are taken out, after one of the water injection holes is processed, the operator rotates the drill bit workpieces by 120 degrees again, the water injection holes on the other side are processed, after the two water injection holes are processed, the operator takes out the drill bit workpieces, the working efficiency is high, the efficiency is improved by more than two times, the labor cost is saved, the labor intensity of workers is reduced, the drill bit loss is small, the processing precision is good, and the product yield is high.
The invention relates to a multi-station processing machine for a water injection hole of a rock drilling column tooth drill bit, wherein a reciprocating transmission mechanism drives a screw rod by a servo motor arranged on a machine base, a threaded sleeve is arranged below a sliding plate, the threaded sleeve is matched with the screw rod, and a sliding rail is arranged between the machine base and the sliding plate. The reciprocating transmission mechanism is a cylinder driving sliding plate. A servo motor or an air cylinder can be adopted to drive the sliding plate according to the requirement. The corner mechanism comprises a corner motor, a worm wheel is arranged on an output shaft of the corner motor, a corner shaft on one side of the device seat is connected with a worm, and the worm is matched with the worm wheel. The corner motor drives the device seat to rotate through the worm wheel and the worm, so that the device seat can rotate to an accurate angle. The number of the drill chucks is 4 or 6, and the number of drill bit workpieces on the clamping fixture block is 4 or 6. The positioning rod is provided with an acute-angle head, and the acute-angle head corresponds to the water injection hole of the drill bit workpiece. Three concave cambered surfaces are formed at the upper end of the drill bit workpiece, water injection holes are formed in the concave cambered surfaces, and a corner (namely a water injection orifice) is formed between the concave cambered surfaces and the cambered surface of the outer wall of the drill bit workpiece, and corresponds to the sharp-angle head part of the positioning rod. The drill seat is provided with a cooling water pipe which is connected with the water delivery pipe through a three-way joint. When the drill bit drills the drill bit workpiece, the drill bit workpiece can generate crushing and heat, at the moment, cooling water in the water tank is output through the water pipe and the cooling water pipe, and water is sprayed to the processing part, so that the part is cooled, and the crushing and the powder are prevented from flying into the air and being inhaled by a human body.
Drawings
FIG. 1 is a schematic top view of a multi-station processing machine for water injection holes of a rock drill bit with tooth teeth;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged schematic view of a portion at B of FIG. 1;
FIG. 4 is a schematic side view of a multi-station processing machine for water injection holes of a rock drill bit with tooth teeth;
FIG. 5 is a schematic structural view of a multi-station processing machine for water injection holes of a rock drill column tooth drill bit;
FIG. 6 is a schematic structural view of a turning mechanism driving a bit holder to rotate 10 degrees;
FIG. 7 is a schematic structural view of the turning mechanism driving the bit holder to rotate 25 degrees again.
Detailed Description
The invention relates to a multi-station processing machine for water injection holes of a drill bit of a rock drilling column, which is shown in figures 1-7, and comprises a machine base 1, wherein a workbench 2 is arranged on the machine base 1, a workpiece fixing mechanism and an electric drill bit are arranged on the workbench 2, the workpiece fixing mechanism comprises a sliding plate 3 arranged on the workbench 2, the sliding plate 3 moves back and forth by a reciprocating transmission mechanism, a drill bit holder 4 is arranged on the sliding plate 3, the drill bit holder 4 comprises a holder 41, a drill bit placing groove 45 is formed in the holder 41, a clamping fixture block 42 and a clamping plate 46 are arranged in the drill bit placing groove, a clamping cylinder 43 is arranged on the outer wall of the holder, a piston rod of the clamping cylinder penetrates through the holder to be connected with the clamping plate, a positioning rod 44 is arranged on the inner wall of the drill bit placing groove 45, the positioning rod 44 corresponds to the drill bit workpiece 11, corner shafts 411 are arranged at two ends of the holder 41, a support frame 31 is arranged on the sliding plate 3, a shaft hole 311 is arranged on the support frame 31, the shaft hole 311 is matched with the corner shaft 411, the corner shaft 411 is driven by a corner mechanism to enable the tool holder 41, the clamping fixture block 42 and the clamping cylinder 43 to form an included angle of 80 degrees with the horizontal direction along with the rotation of 10 degrees, the corner shaft 411 is driven by a corner mechanism to enable the tool holder 41, the clamping fixture block 42 and the clamping cylinder 43 to form an included angle of 55 degrees along with the rotation of 25 degrees, the electric drill bit comprises a drill holder 5 arranged on the machine base workbench 2, drill chucks 51 are arranged on the drill holder 5, more than 4 drill chucks 51 are respectively connected with a synchronous pulley 52, the synchronous belt 53 is driven by a drill bit motor, the synchronous belt drives the synchronous pulley 52, the drill chucks 51 with more than 4 drive the drill bit 54 to rotate simultaneously, the drill bit workpieces 11 on the corresponding clamping fixture block 42 are also more than 4, each drill bit 54 corresponds to a respective bit workpiece 11. The whole machine is provided with an automatic control circuit, and the drill motor, the reciprocating transmission mechanism, the clamping cylinder 43 and the corner mechanism are controlled by the automatic control circuit. When in operation, an operator firstly puts the pre-processed drill bit workpiece 11 into the drill bit placing groove 45 of the holder 41, one corner of the drill bit workpiece 11 corresponds to the positioning rod 44, so that the drill bit workpiece 11 is positioned, then the automatic control circuit controls the piston rod of the clamping cylinder 43 to drive the clamping plate 46 to move, one side of the drill bit workpiece is pressed by the clamping plate, the other side of the drill bit workpiece is contacted with the clamping fixture block 42 in the drill bit placing groove 45, so that the drill bit workpiece 11 is clamped, at the moment, the automatic control circuit controls the drill bit motor, the reciprocating transmission mechanism and the corner mechanism to work together, the drill bit motor drives the synchronous belt 53 to operate, the synchronous belt drives each drill chuck 51 to synchronously rotate through the synchronous belt pulley 52, the drill chuck drives the drill bit 54 to rotate, the reciprocating transmission mechanism drives the sliding plate 3 to slide towards one side of the drill bit 54, the sliding plate drives the drill bit holder 4 to slide to the drill bit 54 side, so that the drill bit workpiece 11 on the drill bit holder gradually moves to the drill bit 54 side, the corner mechanism drives the drill bit holder 4 and the drill bit workpiece 11 to rotate 10 degrees (because the surface of the part to be drilled of the drill bit workpiece is inclined by 10 degrees) firstly, the surface of the part to be drilled of the drill bit workpiece is vertical to the drill bit 54, at the moment, a shallower positioning hole is drilled on the surface of the drill bit workpiece 11 by the drill bit firstly, then the reciprocating transmission mechanism drives the sliding plate 3 to move rightwards, the sliding plate drives the drill bit holder 4 and the drill bit workpiece 11 to withdraw from the drill bit 54 rightwards, at the moment, the corner mechanism drives the drill bit holder 4 and the drill bit workpiece 11 to rotate 25 degrees again, then a water injection hole (water injection inclined hole) is drilled by the drill bit to the positioning hole, the water injection hole is communicated with the inner hole of the drill bit workpiece (the drill bit workpiece is provided with an inner hole), finally, the reciprocating transmission mechanism drives the drill bit holder 4 and the drill bit workpiece 11 to withdraw from the drill bit 54, the drill bit motor stops working, the piston rod of the clamping cylinder 43 drives the clamping plate 46 to loosen the drill bit workpiece 11, an operator rotates the drill bit workpiece by 120 degrees, the above actions are repeated, and the water injection hole is reprocessed on the other surface of the drill bit workpiece, so that all operations are completed (the processing of the two water injection holes is completed). According to the multi-station processing machine for the water injection holes of the rock drill bit of the rock drill column, more than 4 or more than 4 drill bit workpieces 11 can be processed simultaneously, an operator only needs to put the drill bit workpieces into the drill bit placing groove 45, clamping and moving of the workpieces are all automatic operation, after a positioning hole is processed, the drill bit holder 4 and the drill bit workpieces 11 are automatically rotated, secondary adjustment rotation and clamping fixation are not needed after the drill bit workpieces are taken out, after one of the water injection holes is processed, the operator rotates the drill bit workpieces 11 for 120 degrees again, the water injection holes on the other side are processed, after two water injection holes are processed, the operator takes the drill bit workpieces out, the working efficiency is high, the efficiency is improved by more than two times, the labor cost is saved, the labor intensity of workers is reduced, the loss of the drill bit 54 is low, the processing precision is good, and the product yield is high. The reciprocating transmission mechanism is characterized in that a servo motor 12 arranged on the machine base 1 drives a screw rod 33, a threaded sleeve 34 is arranged below the sliding plate 3 and matched with the screw rod 33, and a sliding rail 35 is arranged between the machine base 1 and the sliding plate 3. The reciprocating transmission mechanism is a cylinder driving sliding plate 3. The sliding plate 3 can be driven by a servo motor 12 or an air cylinder according to the requirement. The corner mechanism comprises a corner motor 6, a worm wheel is arranged on an output shaft of the corner motor, a corner shaft 411 on one side of the device seat 41 is connected with a worm, and the worm is matched with the worm wheel. The rotation angle motor 6 rotates the driver seat 41 through the worm wheel and the worm so that the driver seat can rotate to a precise angle. The number of the drill chucks 51 is 4 or 6, and the number of the drill bit workpieces 11 on the clamping fixture block 42 is 4 or 6. The positioning rod 44 is provided with an acute-angle head 441, and the acute-angle head corresponds to the water injection hole 111 of the drill bit workpiece 11. Three concave cambered surfaces are formed at the upper end of the drill bit workpiece 11, water injection holes are formed in the concave cambered surfaces, and a corner (namely a water injection hole 111) is formed between the concave cambered surfaces and the cambered surface of the outer wall of the drill bit workpiece 11, and corresponds to the acute angle head 441 of the positioning rod 44. The machine seat 1 is internally provided with a water tank 13 which is connected with a water delivery pipe 14, the drill seat 5 is provided with a cooling water pipe 55, and the cooling water pipe is connected with the water delivery pipe through a three-way joint 56. When the drill bit 54 drills the drill bit workpiece 11, the cutting and heat are generated, at this time, the cooling water in the water tank 13 is output through the water pipe 14 and the cooling water pipe 55, and water is sprayed to the processing part, so that the part is cooled, and the cutting and powder flying into the air can be prevented from being sucked by a human body.
Claims (5)
1. The multi-station processing machine for the water injection holes of the rock drilling column tooth drill bit comprises a machine base (1), wherein a workbench (2) is arranged on the machine base (1), and a workpiece fixing mechanism and an electric drill bit are arranged on the workbench (2), and is characterized in that: the workpiece fixing mechanism comprises a sliding plate (3) arranged on a workbench (2), the sliding plate (3) moves forwards and backwards through a reciprocating transmission mechanism, a drill bit holder (4) is arranged on the sliding plate (3), the drill bit holder (4) comprises a holder (41), a drill bit placing groove (45) is formed in the holder (41), a clamping fixture block (42) and a clamping plate (46) are arranged in the drill bit placing groove, a clamping cylinder (43) is arranged on the outer wall of the holder, a piston rod of the clamping cylinder penetrates through the holder to be connected with the clamping plate, a positioning rod (44) is arranged on the inner wall of the drill bit placing groove (45), the positioning rod (44) corresponds to a drill bit workpiece (11), two ends of the holder (41) are provided with corner shafts (411), a supporting frame (31) is arranged on the sliding plate (3), a shaft hole (311) is matched with the corner shafts (411), the corner shafts (411) are driven by a corner mechanism, the holder (41) and then the clamping fixture block (42) and the clamping cylinder (43) form an included angle with the drill bit placing groove along with 10 DEG, the workpiece (11) and the corner shaft is driven by the corner mechanism to form an included angle with the corner shaft (43) along with the corner shaft (80 DEG, and then the workpiece (11) forms an included angle with the workpiece (11) and the corner angle (43 DEG along with the corner angle (25 DEG) by the corner rotating direction and the corner shaft (43 DEG) and the corner angle, the electric drill bit comprises a drill seat (5) arranged on a machine base workbench (2), drill chucks (51) are arranged on the drill seat (5), the drill chucks (51) are more than 4, the drill chucks (51) are respectively connected with a synchronous belt pulley (52), a drill motor drives a synchronous belt (53), the synchronous belt drives the synchronous belt pulley (52), the drill chucks (51) with more than 4 drive a drill bit (54) to rotate simultaneously, drill bit workpieces (11) on corresponding clamping blocks (42) are also more than 4, each drill bit (54) corresponds to the corresponding drill bit workpieces (11), a corner mechanism comprises a corner motor (6), a worm wheel is arranged on an output shaft of the corner motor, a corner shaft (411) on one side of the machine seat (41) is connected with the worm, the worm is matched with the worm wheel, a positioning rod (44) is provided with an acute-angle head (441), and the acute-angle head corresponds to a water injection hole (111) of the drill bit workpieces (11).
2. The multi-station processing machine for the water injection hole of the rock drill column tooth drill bit according to claim 1, wherein: the reciprocating transmission mechanism is characterized in that a servo motor (12) arranged on the machine base (1) drives a screw rod (33), a screw sleeve (34) is arranged under the sliding plate (3), the screw sleeve (34) is matched with the screw rod (33), and a sliding rail (35) is arranged between the machine base (1) and the sliding plate (3).
3. The multi-station processing machine for the water injection hole of the rock drill column tooth drill bit according to claim 1, wherein: the reciprocating transmission mechanism is a cylinder driving sliding plate (3).
4. The multi-station processing machine for the water injection hole of the rock drill column tooth drill bit according to claim 1, wherein: the number of the drill chucks (51) is 4 or 6, and the number of the drill bit workpieces (11) on the clamping fixture block (42) is 4 or 6.
5. The multi-station processing machine for the water injection hole of the rock drill column tooth drill bit according to claim 1, wherein: the drill stand is characterized in that a water tank (13) is arranged in the stand (1), the water tank is connected with a water delivery pipe (14), a cooling water pipe (55) is arranged on the drill stand (5), and the cooling water pipe is connected with the water delivery pipe through a three-way joint (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276217.8A CN109909521B (en) | 2019-04-08 | 2019-04-08 | Multi-station processing machine for water injection holes of rock drilling column tooth drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276217.8A CN109909521B (en) | 2019-04-08 | 2019-04-08 | Multi-station processing machine for water injection holes of rock drilling column tooth drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109909521A CN109909521A (en) | 2019-06-21 |
| CN109909521B true CN109909521B (en) | 2024-01-16 |
Family
ID=66968748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910276217.8A Active CN109909521B (en) | 2019-04-08 | 2019-04-08 | Multi-station processing machine for water injection holes of rock drilling column tooth drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109909521B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016729A (en) * | 1996-12-13 | 2000-01-25 | Citizen Watch Co., Ltd. | Turret device |
| CN2380332Y (en) * | 1999-07-27 | 2000-05-31 | 李明锁 | Chucking-device special for milling drill-rod alloy slot |
| CN1623750A (en) * | 2003-12-05 | 2005-06-08 | 希尔蒂股份公司 | Insertion end for a rotary and a percussive tool |
| CN202606955U (en) * | 2012-05-21 | 2012-12-19 | 浙江开宇钎具有限公司 | Machining equipment for milling alloy groove by straight rock-drilling bit |
| CN204094509U (en) * | 2014-07-29 | 2015-01-14 | 武穴市长江工具有限责任公司 | A kind of bore bit batch groove milling auxiliary holding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100759088B1 (en) * | 2007-03-19 | 2007-09-19 | 최광택 | Mass production type possible automatic rhinestone adhesion apparatus |
-
2019
- 2019-04-08 CN CN201910276217.8A patent/CN109909521B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016729A (en) * | 1996-12-13 | 2000-01-25 | Citizen Watch Co., Ltd. | Turret device |
| CN2380332Y (en) * | 1999-07-27 | 2000-05-31 | 李明锁 | Chucking-device special for milling drill-rod alloy slot |
| CN1623750A (en) * | 2003-12-05 | 2005-06-08 | 希尔蒂股份公司 | Insertion end for a rotary and a percussive tool |
| CN202606955U (en) * | 2012-05-21 | 2012-12-19 | 浙江开宇钎具有限公司 | Machining equipment for milling alloy groove by straight rock-drilling bit |
| CN204094509U (en) * | 2014-07-29 | 2015-01-14 | 武穴市长江工具有限责任公司 | A kind of bore bit batch groove milling auxiliary holding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109909521A (en) | 2019-06-21 |
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