CN102009199A - Group hole drilling system - Google Patents
Group hole drilling system Download PDFInfo
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- CN102009199A CN102009199A CN2010105258863A CN201010525886A CN102009199A CN 102009199 A CN102009199 A CN 102009199A CN 2010105258863 A CN2010105258863 A CN 2010105258863A CN 201010525886 A CN201010525886 A CN 201010525886A CN 102009199 A CN102009199 A CN 102009199A
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- 238000005553 drilling Methods 0.000 title abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims description 19
- 239000008188 pellet Substances 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 16
- 239000004579 marble Substances 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 241001484259 Lacuna Species 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 210000002435 tendon Anatomy 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Abstract
The invention provides a group hole drilling system. The system comprises drilling equipment and cutters; the drilling equipment is provided with a main shaft and a plurality of terminal output shafts in the vertical direction, and the terminal output shafts are arranged in one row and driven to link by the main shaft through a transmission device; the group hole drilling system is provided with a plurality of cutters, and the plurality of cutters are connected on different terminal output shafts respectively; and the cutter is provided with a twist drill cutter section, a hole expanding cutter section and a reaming cutter section. The system can process a row of straight-bottom and conical-upside holes processed by multiple processes and multiple cutters at one time, and has significance for processing products of large batch, high precision requirement and many hole positions; and the system can greatly reduce the moving and positioning frequency of workpieces and reduce the precision errors of products due to multiple clamping and multiple moving.
Description
Technical field
The present invention relates to hole-drilling system.
Background technology
Along with deep, the development of China's Economic Reform, especially China is known as the high-speed railway of airbus, and its technology has been in rank first, will become a fulcrum that prizes World Economics.And to adapt to inefficient, the expensive predicament of the just necessary breakthrough of needs that goes to the world as high-speed railway and the needed domestic use for tendon ground tackle product of expressway construction, it is many to solve group position, anchor ring hole, the unmanageable technical barrier of the position of related features between the Kong Yukong.
The original production process of use for tendon ground tackle product group anchor ring is: adopt bar to become the nahlock material under the sawing machine, with the moulding of general Vehicle Processing blank, bore straight hole with vertical drill, promptly bore 22 straight holes as 22 hole anchor rings, again with radial drill with straight hole expand into taper hole, again with the rocking arm taper hole that drills and reams, the hole processing in a hole, work efficiency is low, the cost height.Existing market internationalization, keen competitionization, our original processing method is competitive.
Summary of the invention
The technical problem to be solved in the present invention provides a population hole drill hole system, can improve the product processing and manufacturing efficient that hole shape is identical, the position, hole is many, batch is big such as similar use for tendon group's anchor ring.For this reason, the present invention is by the following technical solutions: it comprises rig and cutter, and described rig is provided with main shaft, and described rig also is provided with the terminal output shaft of a plurality of vertical direction, described terminal output shaft is arranged in a row, and drives their interlocks by main shaft by transmission device; Described group's hole drill hole system is provided with a plurality of described cutters, and described a plurality of cutters are connected on the different terminal output shafts; Described cutter is provided with fluted drill knife-edge section, reaming knife-edge section, fraising knife-edge section, and described fluted drill knife-edge section is in the front portion, and reaming knife-edge section is in after the fluted drill knife-edge section, and fraising knife-edge section is in after the reaming knife-edge section.
On the basis of adopting technique scheme, further technical scheme below the present invention also can adopt simultaneously or make up and adopt:
The device of described main shaft and drive shaft adopts the main shaft and the drive unit thereof of vertical drill or radial drill.
Described fluted drill knife-edge is not for having 2 sword spiralitys of tapering; Described reaming knife-edge is 4 sword spiralitys with tapering, and described 4 swords extend spirally the bifurcated gradual change by described 2 swords of fluted drill knife-edge and form; Described fraising knife-edge is 6 sword spiralitys with tapering, and 2 swords in described 6 swords extend spirally gradual change by 2 swords in the reaming knife-edge and form, and other 4 sword in described 6 swords extends spirally the bifurcated gradual change by all the other 2 swords of reaming knife-edge and forms; The external diameter of reaming knife-edge is greater than the external diameter of boring knife-edge, and the external diameter of fraising knife-edge is greater than the external diameter of reaming knife-edge.
2 alternate swords in the described reaming knife-edge extend spirally bifurcated and crossfade into described other 4 sword in 6 swords.
Described reaming knife-edge section is the changeover portion between fluted drill knife-edge section and the fraising knife-edge section, and the length of reaming knife-edge section is less than the length of fluted drill knife-edge section and the length of fraising knife-edge section.
Be provided with the taper connection hole coaxial in the described terminal output shaft with the terminal output shaft, each terminal output shaft sets connected jockey, described jockey comprises adapter body, the upper end of described adapter body be provided with the terminal output shaft in the taper shank that matches of taper connection hole, the lower surface of described adapter body extends internally and is provided with the instrument cover connecting hole coaxial with taper shank; Each jockey is furnished with the instrument cover, and described instrument cover has and is connected the instrument cover connection handle that interporal lacuna cooperates with instrument cover, and the lower surface that described instrument overlaps extends internally to be provided with the coaxial instrument of taper shank and is connected bellmouth; Described adapter body is provided with the instrument cover locking mechanism that cooperates with described instrument cover connection handle, and it is spring marble mechanism that described instrument cover locks mechanism, and described pellet shot from a slingshot can protrude in the neutralization of instrument cover connecting hole and withdraw from instrument cover connecting hole; Described cutter is connected bellmouth and connects with instrument, instrument cover connection handle is connected in the instrument cover connecting hole of described adapter body, and the taper shank of described adapter body is connected with the interior taper connection hole of terminal output shaft.
Described spring marble mechanism comprises and is enclosed within the outer axial movable control cover of adapter body, described adapter body is provided with from the hole of the sensible instrument cover of its side surface connecting hole, the described pellet shot from a slingshot that setting can be moved along the hole in the described hole, described instrument cover connection handle is provided with the annular groove that matches with pellet shot from a slingshot; Be provided with the configuration and ammunition feed of oppressing the inside motion of described pellet shot from a slingshot and protruding in instrument cover connecting hole in the described control cover and withdraw from the bit space that allows that described instrument overlaps connecting hole, described jockey is provided with and makes described control cover remain on the spring of lockup state, and described lockup state makes the location status of pellet shot from a slingshot protrusion in instrument cover connecting hole for the control cover is residing.
The inner of described instrument cover connecting hole is provided with the endoporus that transmits torsion, and the top of described instrument cover connection handle has the configuration that matches with described endoporus; The outer surface of described instrument cover has the insertion depth limited step.
Connect driving head on the described main shaft, described driving head is a bevel gear, described transmission device comprises the universal driving shaft of multistage power transmission shaft and level, connect transferring power by gear between the level power transmission shaft of front and back, first order power transmission shaft is provided with second bevel gear with described bevel gear engagement, the afterbody power transmission shaft is connected transferring power with universal driving shaft by gear, and described transmission device is told a plurality of transmission branch road mechanism that links to each other with each described terminal output shaft respectively from universal driving shaft.
Described transmission branch road mechanism is a gear drive.
Owing to adopt technical scheme of the present invention, the present invention can be the hole of taper hole for straight hole top with an equipment, a bottom that cutter, clamping are located disposable processing one row and needed the multiple cutting element of multiple working procedure just can machine, for in batches product processing big, that required precision is high, the position, hole is many is significant, can make that production efficiency improves more than 35%, production cost descends more than 25%; And, the present invention can significantly reduce workpiece movement location number of times, reduce the product multiple clamping and repeatedly move the trueness error that is caused, position of related features between the Kong Yukong can be controlled in the 0.02mm, and adopt traditional processes, position of related features between the Kong Yukong, the worst error value reaches 0.2mm.
Owing to adopt technical scheme of the present invention, the instrument cover can with instrument for example drill bit link to each other, the drill bit difference fastening means that can change need in advance before processing overlaps standby, the taper shank of jockey is connected in the taper connection hole in the power output shaft, instrument is overlapped the instrument cover connecting hole that connection handle inserts adapter body, lock with pellet shot from a slingshot, after one drilling operating finished, only need unclamp pellet shot from a slingshot, pellet shot from a slingshot withdraws from instrument cover connecting hole, change bit tool cover assembly and can finish the dismounting of drill bit fast, thereby can greatly increase work efficiency, significant for the advantage performance of group's hole drill hole equipment.
Description of drawings
Fig. 1 is the transmission schematic diagram of rig embodiment provided by the present invention.
Fig. 2 is a kind of vertical view of use for tendon group's anchor ring.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the front view of cutter embodiment provided by the present invention.
Fig. 5 is the upward view of Fig. 4.
Fig. 6 is the generalized section along the C-C line of Fig. 4.
Fig. 7 is the generalized section along the D-D line of Fig. 4.
Fig. 8 is the schematic appearance of jockey embodiment provided by the present invention.
Fig. 9 is the schematic appearance of loading onto behind the cutter embodiment illustrated in fig. 8.
When Figure 10 is in connection status for instrument cover and quick change jockey, the E-E cutaway view of Fig. 8.
When Figure 11 is in disengaged condition for instrument cover and quick change jockey, the E-E cutaway view of Fig. 8.
The specific embodiment
With reference to accompanying drawing.The present invention includes rig 100 and cutter 200, described rig comprises main shaft 110, and described rig also is provided with the terminal output shaft 120 of a plurality of vertical direction, and described terminal output shaft is arranged in a row, and drives their interlocks by main shaft by transmission device; Described group's hole drill hole system is provided with a plurality of cutters 200, and described a plurality of cutters 200 are connected on the different terminal output shafts; Described cutter is provided with fluted drill knife-edge section 210, reaming knife-edge section 220, fraising knife-edge section 230, and described fluted drill knife-edge section 210 is in the front portion, and reaming knife-edge section 220 is in after the fluted drill knife-edge section 210, and fraising knife-edge section 230 is in after the reaming knife-edge section 220.Cutter 200 provided by the present invention is for boring, expand, cut with scissors multi-functional compound tool.
Group's hole drill provided by the present invention hole equipment 100, its power source can adopt the power source of traditional high-power rig, adopts the bigger vertical drill of Z3050 or above constant power or the main shaft and the drive unit thereof of radial drill such as main shaft 110 of the present invention and drive unit thereof.
Shown in Fig. 4,5,6,7, described fluted drill knife-edge is not for having 2 sword spiralitys of tapering; Described reaming knife-edge section 220 is for having 4 sword spiralitys of tapering, and described 4 swords extend spirally the bifurcated gradual change by the described 2 sword 210a of fluted drill knife-edge and 210b and form; Described fraising knife-edge section 230 is for having 6 sword spiralitys of tapering, 2 sword 230c, 230f in described 6 swords extends spirally gradual change by 2 sword 2b in the reaming knife-edge and 2d and forms, and other the 4 sword 230a in described 6 swords, 230b, 230d, 230e extend spirally the bifurcated gradual change by all the other the 2 sword 220a of reaming knife-edge and 220c and form; The external diameter of reaming knife-edge is greater than the external diameter of boring knife-edge, and the external diameter of fraising knife-edge is greater than the external diameter of reaming knife-edge.
As shown in the figure, 4 sword 220a of described reaming knife-edge, 220b, 220c, 220d are extended spirally by 2 sword 210a of fluted drill knife-edge and 210b and increase the branch gradual change and form, further, 2 alternate sword 220a in the described reaming knife-edge and 220c extend spirally bifurcated and crossfade into other 4 sword 230a, 230b, 230d, 230e in described 6 swords.Bore in the time of can helping the processing and manufacturing of cutter and processing work like this, expand, the smooth linking of strand process, reduce tool wear, improve crudy.
Described reaming knife-edge section 220 is the changeover portion between fluted drill knife-edge section 210 and the fraising knife-edge section 230, the length of reaming knife-edge section 220 can either guarantee like this that less than the length of fluted drill knife-edge section 210 and the length of fraising knife-edge section 230 hole quality can improve the speed and the efficient of boring again.Such as when a kind of use for tendon group's anchor ring 400 shown in the manuscript 2,3, the front end 30mm of cutter provided by the present invention is designed to fluted drill knife-edge section 210, for boring the straight hole function, middle 10mm is a reaming knife-edge section 220, be tapering reaming function, rear end 30mm is fraising knife-edge section 230, is tapering fraising function.When use for tendon group anchor ring shown in brill provided by the present invention, expansion, the multi-functional compound tool manuscript 2,3 of hinge, it is drilling that cutter begins, and after piercing 30mm, bores, expands and carry out simultaneously, when cutting enters 40mm, bores, expands, cuts with scissors and carry out simultaneously.15mm straight hole, its top are arranged at the anchor hole bottom of use for tendon group's anchor ring is bellmouth 402.
With reference to Fig. 8,9,10,11.Be provided with taper connection hole in the described terminal output shaft 120 with terminal output shaft coaxial 120, each terminal output shaft 120 sets connected jockey, described jockey comprises adapter body 310, the upper end of described adapter body 310 be provided with the terminal output shaft in the taper shank 311 that matches of taper connection hole, the tapering of taper shank 311 is according to the Morse's taper in the taper connection hole in the terminal output shaft.
The lower surface of described adapter body 310 extends internally and is provided with the instrument cover connecting hole 312 coaxial with taper shank 311; Each quick change jockey is furnished with instrument cover 320, described group hole drill hole system also has the instrument cover connection handle 321 with instrument cover connecting hole 312 matched in clearance, and the lower surface of described instrument cover 320 extends internally to be provided with the coaxial instrument of taper shank 311 and is connected bellmouth 322; Described adapter body 310 is provided with the instrument cover locking mechanism that cooperates with described instrument cover connection handle 321, and it is spring marble mechanism that described instrument cover locks mechanism, and described pellet shot from a slingshot 313 can protrude in 312 neutralizations of instrument cover connecting hole and withdraw from instrument cover connecting hole 312.Described cutter 200 is connected bellmouth 322 and connects with instrument, instrument cover connection handle 321 is connected in the instrument cover connecting hole 312 of described adapter body, and the taper shank 311 of described adapter body is connected with the interior taper connection hole of terminal output shaft.
Described spring marble mechanism comprises and is enclosed within the outer axial movable control cover 314 of adapter body, described adapter body 310 is provided with from the hole 315 of the sensible instrument cover of its side surface connecting hole 312, the described pellet shot from a slingshot 313 that setting can be moved along the hole in the described hole 315, described instrument cover connection handle 321 is provided with the annular groove 323 that matches with pellet shot from a slingshot 313; Be provided with the inwardly motion and protrude configuration 316 in instrument cover connecting hole 312 and ammunition feed 313 withdraws from described instrument cover connecting hole 312 allows bit space 317 of the described pellet shot from a slingshot 313 of compressing in the described control cover 314, described jockey is provided with and makes described control cover 314 remain on the spring 318 of lockup state, and described lockup state is the control cover 314 residing location status of pellet shot from a slingshot 313 protrusions in instrument cover connecting hole 312 that make.
The inner of described instrument cover connecting hole 312 is provided with the endoporus 319 that transmits torsion, and endoporus 319 is cubic hole, and the top of described instrument cover connection handle has the configuration 324 that matches with described endoporus 319.
The outer surface of described instrument cover 320 has insertion depth limited step 325, and the instrument of preventing overlaps 320 transition and inserts and damage jockey and instrument cover 320 itself.
For the processing of group's anchor ring, jockey is connected on the terminal output shaft 120.During work, pulling control cover 314, away from lockup state, there is the instrument cover 320 of cutter 200 to be advanced in the instrument cover connecting hole 312 of adapter body 310 clamping, unclamp control cover 314, under the effect of spring 318, control cover 314 resets, and pellet shot from a slingshot 313 ejects, and is stuck in 323 li of the annular grooves of instrument cover 320, cutter 200 clampings are fixed, the equipment of the starting processing of holing.
Connect driving head on the described main shaft 110, described driving head is a bevel gear 130, described transmission device comprises the universal driving shaft 143 of multistage power transmission shaft and level, multistage in the present embodiment power transmission shaft is by first order power transmission shaft 141, second level power transmission shaft 142 is formed, first order power transmission shaft 141 is connected transferring power with 142 of second level power transmission shafts by gear, first order power transmission shaft 141 is provided with second bevel gear 151 with described bevel gear 130 engagements, afterbody power transmission shaft 142 and universal driving shaft 143 are connected transferring power by gear, and described transmission mechanism is told a plurality of transmission branch road mechanism that links to each other with each described terminal output shaft respectively from universal driving shaft.
Described transmission branch road mechanism is made of gear drive.Described gear drive comprises universal driving shaft in-line gears 152, terminal output shaft 120 in-line gears 121, certainly if desired, also can have transition gear between gear 152 and gear 121.
With a kind of use for tendon group's anchor ring 400 shown in the manuscript 2,3 is example, the anchor hole 401 of described use for tendon group's anchor ring 400 sets in a row, one end of anchor hole is the taper hole section, all the other are the straight hole section, adopt system of the present invention system processing anchor hole, can be shifted workpiece, change cutter without clamping, disposable processing one row's anchor hole 401.
Claims (10)
1. a population hole drill hole system, comprise rig and cutter, described rig is provided with main shaft, it is characterized in that described rig also is provided with the terminal output shaft of a plurality of vertical direction, described terminal output shaft is arranged in a row, and drives their interlocks by main shaft by transmission device; Described group's hole drill hole system is provided with a plurality of described cutters, and described a plurality of cutters are connected on the different terminal output shafts; Described cutter is provided with fluted drill knife-edge section, reaming knife-edge section, fraising knife-edge section, and described fluted drill knife-edge section is in the front portion, and reaming knife-edge section is in after the fluted drill knife-edge section, and fraising knife-edge section is in after the reaming knife-edge section.
2. a population hole drill hole system as claimed in claim 1 is characterized in that the device employing vertical drill of described main shaft and drive shaft or the main shaft and the drive unit thereof of radial drill.
3. a population hole drill hole system as claimed in claim 1 is characterized in that described fluted drill knife-edge is not for having 2 sword spiralitys of tapering; Described reaming knife-edge is 4 sword spiralitys with tapering, and described 4 swords extend spirally the bifurcated gradual change by described 2 swords of fluted drill knife-edge and form; Described fraising knife-edge is 6 sword spiralitys with tapering, and 2 swords in described 6 swords extend spirally gradual change by 2 swords in the reaming knife-edge and form, and other 4 sword in described 6 swords extends spirally the bifurcated gradual change by all the other 2 swords of reaming knife-edge and forms; The external diameter of reaming knife-edge is greater than the external diameter of boring knife-edge, and the external diameter of fraising knife-edge is greater than the external diameter of reaming knife-edge.
4. a population hole drill hole system as claimed in claim 3 is characterized in that 2 alternate swords in the described reaming knife-edge extend spirally bifurcated and crossfade into described other 4 sword in 6 swords.
5. as claim 1,2 or 3 described population hole drill hole systems, it is characterized in that described reaming knife-edge section is the changeover portion between fluted drill knife-edge section and the fraising knife-edge section, the length of reaming knife-edge section is less than the length of fluted drill knife-edge section and the length of fraising knife-edge section.
6. a population hole drill hole system as claimed in claim 5, it is characterized in that being provided with in the described terminal output shaft taper connection hole coaxial with the terminal output shaft, each terminal output shaft sets connected jockey, described jockey comprises adapter body, the upper end of described adapter body be provided with the terminal output shaft in the taper shank that matches of taper connection hole, the lower surface of described adapter body extends internally and is provided with the instrument cover connecting hole coaxial with taper shank; Each jockey is furnished with the instrument cover, and described instrument cover has and is connected the instrument cover connection handle that interporal lacuna cooperates with instrument cover, and the lower surface that described instrument overlaps extends internally to be provided with the coaxial instrument of taper shank and is connected bellmouth; Described adapter body is provided with the instrument cover locking mechanism that cooperates with described instrument cover connection handle, and it is spring marble mechanism that described instrument cover locks mechanism, and described pellet shot from a slingshot can protrude in the neutralization of instrument cover connecting hole and withdraw from instrument cover connecting hole; Described cutter is connected bellmouth and connects with instrument, instrument cover connection handle is connected in the instrument cover connecting hole of described adapter body, and the taper shank of described adapter body is connected with the interior taper connection hole of terminal output shaft.
7. a population hole drill hole system as claimed in claim 6, it is characterized in that described spring marble mechanism comprises is enclosed within the outer axial movable control cover of adapter body, described adapter body is provided with from the hole of the sensible instrument cover of its side surface connecting hole, the described pellet shot from a slingshot that setting can be moved along the hole in the described hole, described instrument cover connection handle is provided with the annular groove that matches with pellet shot from a slingshot; Be provided with the configuration and ammunition feed of oppressing the inside motion of described pellet shot from a slingshot and protruding in instrument cover connecting hole in the described control cover and withdraw from the bit space that allows that described instrument overlaps connecting hole, described jockey is provided with and makes described control cover remain on the spring of lockup state, and described lockup state makes the location status of pellet shot from a slingshot protrusion in instrument cover connecting hole for the control cover is residing.
8. a population hole drill hole system as claimed in claim 7 is characterized in that the inner of described instrument cover connecting hole is provided with the endoporus that transmits torsion, and the top of described instrument cover connection handle has the configuration that matches with described endoporus; The outer surface of described instrument cover has the insertion depth limited step.
9. a population hole drill hole system as claimed in claim 8, it is characterized in that connecting driving head on the described main shaft, described driving head is a bevel gear, described transmission device comprises the universal driving shaft of multistage power transmission shaft and level, connect transferring power by gear between the level power transmission shaft of front and back, first order power transmission shaft is provided with second bevel gear with described bevel gear engagement, the afterbody power transmission shaft is connected transferring power with universal driving shaft by gear, and described transmission device is told a plurality of transmission branch road mechanism that links to each other with each described terminal output shaft respectively from universal driving shaft.
10. a population hole drill hole system as claimed in claim 9 is characterized in that described transmission branch road mechanism is a gear drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010525886.3A CN102009199B (en) | 2010-10-29 | 2010-10-29 | One population hole drilling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010525886.3A CN102009199B (en) | 2010-10-29 | 2010-10-29 | One population hole drilling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102009199A true CN102009199A (en) | 2011-04-13 |
| CN102009199B CN102009199B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010525886.3A Active CN102009199B (en) | 2010-10-29 | 2010-10-29 | One population hole drilling system |
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| CN (1) | CN102009199B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489979A (en) * | 2011-11-11 | 2012-06-13 | 重庆齿轮箱有限责任公司 | Large-diameter and high-precision taper hole processing method |
| CN103967420A (en) * | 2014-05-19 | 2014-08-06 | 郑州神利达钻采设备有限公司 | Automatic replacement type well drilling bit formed by group of auger bits and method for replacing auger bits |
| CN110425822A (en) * | 2019-08-26 | 2019-11-08 | 安徽金锡机械科技有限公司 | A kind of crop dryer tempering layer microwave drier |
| CN113523354A (en) * | 2021-07-21 | 2021-10-22 | 北京易思通信息技术有限公司 | Intelligent automatic forming and processing equipment for case products |
| CN114515844A (en) * | 2022-01-28 | 2022-05-20 | 浙江合诺机械有限公司 | Five-head horizontal punching machine and use method thereof |
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| CN102489979A (en) * | 2011-11-11 | 2012-06-13 | 重庆齿轮箱有限责任公司 | Large-diameter and high-precision taper hole processing method |
| CN102489979B (en) * | 2011-11-11 | 2014-06-25 | 重庆齿轮箱有限责任公司 | Large-diameter and high-precision taper hole processing method |
| CN103967420A (en) * | 2014-05-19 | 2014-08-06 | 郑州神利达钻采设备有限公司 | Automatic replacement type well drilling bit formed by group of auger bits and method for replacing auger bits |
| CN103967420B (en) * | 2014-05-19 | 2016-07-27 | 郑州神利达钻采设备有限公司 | Automatic replacing type spiral bit group's well drill and spiral bit replacing options thereof |
| CN110425822A (en) * | 2019-08-26 | 2019-11-08 | 安徽金锡机械科技有限公司 | A kind of crop dryer tempering layer microwave drier |
| CN113523354A (en) * | 2021-07-21 | 2021-10-22 | 北京易思通信息技术有限公司 | Intelligent automatic forming and processing equipment for case products |
| CN114515844A (en) * | 2022-01-28 | 2022-05-20 | 浙江合诺机械有限公司 | Five-head horizontal punching machine and use method thereof |
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