CN106392124B - A kind of multiple drill press - Google Patents
A kind of multiple drill press Download PDFInfo
- Publication number
- CN106392124B CN106392124B CN201611097190.9A CN201611097190A CN106392124B CN 106392124 B CN106392124 B CN 106392124B CN 201611097190 A CN201611097190 A CN 201611097190A CN 106392124 B CN106392124 B CN 106392124B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
Multiple drill press is worked using prover and drill headstock, utilize other machine tooling standard component, then drill headstock is calibrated using standard component, part after calibration is positioned using hot melt adhesive, coagulator, its drill headstock of this lathe is also fixed bit, it is no different with the operation of fixed multi-head drilling machine, it is especially suitable not bery high to required precision, but there is large number of orifices position to need the Mechanical processing of casting bored again.
Description
Technical field
The invention belongs to machine tool product, more particularly to a kind of multiple drill press.
Background technology
At present, there are two types of multiple drill presses, one kind is adjustable multiple drill press, and one kind is fixed multi-head drilling machine, adjustable
Formula multiple drill press is complicated, and the adjustable reduction for often bringing precision, because in dynamic adjustment process, the essence of each part
Degree is significantly challenged, and is illustrated, the tolerance of two parts is all, the plus tolerance of the part higher 0.02mm than standard figures
For 0.02mm, the tolerance value after assembling is also 0.02mm, then, reaching 0.02mm by fixed assembling mode should can not be to ask
Topic, still, adjustable structure its tolerance value is 0.00 to 0.04mm, that is, can be exceeded, in use, adjustable structure its
Also than fixed for very, adjustable multi-head drilling machine cost is also very high, fixed multi-head drilling machine shortcoming is exactly to replace difficulty for abrasion, and one
As two kinds of products of factory's more than one, it is also unpractical, general factory process method that each product, which is all equipped with a multiple drill press,
Blue part or other porous parts, mostly to lean on based on modulus method, that is, first with one gauge orifice part of other machine toolings, then
Using general bench drilling machine, to complete to process one by one using gauge orifice part, such machining tool expense is few, and replacement of products is also easy, but
It is so to process its product quality and the operation of worker there are much relations, and is engaged in dull boring work for a long time, it is big absolutely
Groups of people can malfunction, so as to cause product rejection, broken drill it is also very common, processing efficiency is also very low, citing, method
Blue part has tri- kinds of apertures of 12mm, 10mm, 6.8mm, then, it is just needed three times by modulus method, and guide post is needed by modulus method drilling,
Exactly in the hole bored and the cylindrical object by die hole insertion slightly smaller than aperture, prevent pattern and product from moving position, cause waste product.
The content of the invention
A kind of multiple drill press, it is characterized in that：Multiple drill press mainly makes the cone pulley speed governing of current bench drill into frequency converter timing,
Change with the relevant parts of main shaft and be made of drill headstock, hydraulic cylinder, drill press spindle, when drill headstock voluntarily assembles using prover and
Standard component is calibrated, and is completed when taper-shank drill or taper-shank drillchuck are dismantled using circle spanner,
The drill press spindle is acted on by hydraulic cylinder, and hydraulic stem moves up and down, and the drive that moves up and down of hydraulic stem is bored
Headstock moves up and down, and completes drilling, needs to ensure to move up and down when drill press spindle designs, it is impossible to it rotates, positioning plate 47
Effect is when being connected with drill headstock, ensures drill headstock flatness, in this way, when drill headstock moves up and down, in auger axis rotation axis
Heart line and center line of bit are collinear；
The standard component divides upper and lower pieces, and lower standard component is the part with gauge orifice position using machine tooling, subscript
Quasi- part be using machine tooling have and there is the parts of concentric holes in gauge orifice position, these concentric holes aperture ratio shaft hole sleeve outer diameters are big
0.5mm to 5mm.
The circle spanner is by justifying spanner pedestal A, fixing half round block 41, movable half round block 42, pull rod 43, tie down screw 44
Composition,
There is rope fastening hole 45 to be used for, for tether, fixing half round block 41 and being fixed on pedestal on the circle spanner pedestal A, it is living
Dynamic half round block 42, pull rod 43, tie down screw 44 are all mounted on pedestal；
Half round block 42 of activity can move in the same plane for fixing half round block 41, solid so as to expand or shrink
The aperture of fixed half round block 41 and movable half round block 42, movable half round block 42 cannot move up and down；
The tie down screw 44 is half round block 42 of half round block 42 of locking activity or release activity；
The pull rod 43 is after 44 locking activity of tie down screw, half round block, turns pull rod, removes drill bit or drill chuck；
Described its taper hole taper after half round block 41 merges with movable half round block 42 of fixing is equal to taper-shank drill or drill chuck
Taper shank taper.
The drill headstock is mainly by pedestal 8, shaft hole sleeve, auger axis axle sleeve, intermediate gear shaft axle sleeve, fixed bit drill bit
Main shaft 28, activity bit auger axis 29, bearing 27, fixed bit auger axis gear 20, activity bit auger axis gear 21, centre
Gear 22, motor 12, frequency converter composition,
The pedestal 8 is the component being locked on drill press spindle, 8 filling coagulator of pedestal be for fixed shaft hole set,
Pedestal is used for mounting shaft hole set, motor 12, and shaft hole sleeve includes fixed bit shaft hole sleeve 25 and activity bit shaft hole sleeve 26；
The activity bit shaft hole sleeve 26 is there are two types of hole position, and for installing auger axis axle sleeve, one kind is used for for a kind of hole position
Intermediate gear shaft axle sleeve is installed, fixed bit shaft hole sleeve 25 refers to that shaft hole sleeve has been installed when dispatching from the factory and debugging finishes, and user is not
It needs voluntarily to install, activity bit shaft hole sleeve 26 refers to that shaft hole sleeve and drill headstock are separated, it is necessary to which user voluntarily installs and debugs；
The auger axis axle sleeve is for installing auger axis, and intermediate gear shaft axle sleeve is used for installing intermediate gear
Axis, axle sleeve and main shaft or intermediate gear shaft are installed by bearing；
The auger axis are the main shafts for installing drill bit, and front end is taper hole, taper hole taper and drill taper shank cone
Spend identical, rear end is gear installation position；
The intermediate gear shaft is the main shaft for installing intermediate gear；
There are two types of the axle sleeves, and one kind is auger axis axle sleeve, and one kind is intermediate gear shaft axle sleeve；
The frequency converter is the frequency for changing motor, so as to change the rotating speed of motor.
The prover is by slide plate 30, prover pedestal 31, pull rod 32, upper calibration of axes 33, the prover seat of honour 34, hydraulic pressure
Cylinder 35, hydraulic fitting 36 and 37, lower calibration of axes 38, hydraulic column 39 form, and prover is used for calibrating the verticality of auger axis,
So that center line its degree of deviation when the center line and bit of auger axis is in rational scope, prover need and
Standard component, positioning sleeve cooperating, operation principle be,
The hole position that 52 first of positioning sleeve is respectively fitted over to lower standard component is neutralized in the lower stomidium of activity bit shaft hole sleeve 26, positioning sleeve
52 second are sleeved in the upper end hole of activity bit shaft hole sleeve 26, and activity bit shaft hole sleeve 26 is passed through to the hole position of upper standard component, upper and lower standard
Part packs into drill headstock, after placement, by 52 second of positioning sleeve and 52 first of positioning sleeve respectively with upper and lower calibration of axes alignment, utilizes hydraulic pressure
Pressure slide plate 30 is calibrated, good using artificial pressure slide plate 30 without using hydraulic pressure, after compression, using hot melt adhesive by shaft hole sleeve and
Upper standard component is positioned, and after hot melt adhesive cooling, carries out the positioning of other activity bit shaft hole sleeves successively, after positioning, from
Whole show position shaft hole sleeve is positioned, then carries out the assembling of other parts by the filling coagulator of feed inlet,
The 52 first one side outer diameter of positioning sleeve is equal to the hole position internal diameter of lower standard component, and one side outer diameter is equal to activity bit axis hole
The lower stomidium internal diameter of set, 52 first of positioning sleeve inside taper is 60 degree,
The 52 second one side outer diameter of positioning sleeve is equal to the upper end hole internal diameter of activity bit shaft hole sleeve 26, and one side outer diameter, which is more than, lives
The upper end hole internal diameter of dynamic position shaft hole sleeve 26,52 second of positioning sleeve inside taper is 60 degree；
The upper calibration of axes 33 and 38 front end taper of lower calibration of axes are 60 degree, upper calibration of axes 33 and lower its main shaft of calibration of axes 38
Center line be overlap, and calibration when on calibration of axes move down when be to vertically move.
Description of the drawings
Attached drawing 1 is multiple drill press schematic diagram, and 1 is pedestal, and 2 be support column, and 3 be handwheel, and 4 be worktable support, and 5 be work
Platform set lever, 6 be worktable support set lever, and 7 be rack, and 8 be drill headstock pedestal, and 9 be rack spacing ring, and 10 be locking
Screw rod, 11 be lathe bed, and 12 be motor, and 13 be switch enclosure, and 14 be hydraulic cylinder, and 15 be workbench；
Attached drawing 2 is multiple drill press schematic diagram, and 1 is pedestal, and 2 be support column, and 3 be handwheel, and 4 be worktable support, and 5 be work
Platform set lever, 6 be worktable support set lever, and 8 be drill headstock pedestal, and 9 be rack spacing ring, and 11 be lathe bed, and 14 be liquid
Cylinder pressure, 15 be workbench, and 16 and 17 are hydraulic tubes, and 18 be hydraulic stem；
Attached drawing 3 is drill headstock schematic diagram, and 8 be drill headstock pedestal, and 19 be locking hole, and 20 be fixed bit auger axis gear,
21 be activity bit auger axis gear, and 22 be intermediate gear, and 23 and 24 are standard components, and 25 be fixed bit shaft hole sleeve, and 26 be activity
Position shaft hole sleeve；
Attached drawing 4 is drill headstock schematic diagram, and 8 be drill headstock pedestal, and 27 be bearing, and 28 be fixed bit auger axis, and 29 be living
Dynamic position auger axis；
Attached drawing 5 is prover schematic diagram, and 8 be drill headstock, and 30 be slide plate, and 31 be prover pedestal, and 32 be pull rod, 33 be on
Calibration of axes, 34 be the prover seat of honour, and 35 be hydraulic cylinder, and 36 and 37 are hydraulic fittings；
Attached drawing 6 is prover schematic diagram, and 30 be slide plate, and 31 be prover pedestal, and 32 be pull rod, and 33 be upper calibration of axes,
34 be the prover seat of honour, and 35 be hydraulic cylinder, and 36 and 37 are hydraulic fittings, and 38 be lower calibration of axes, and 39 be hydraulic column；
Attached drawing 7 is round spanner schematic diagram, and 40 be round spanner, and 41 be to fix half round block, and 42 be movable half round block, and 43 be to draw
Bar, 44 be tie down screw, and 45 be rope fastening hole, and A is round spanner pedestal；
Attached drawing 8 is half round block schematic diagram, and 42 be half round block, and 46 be taper hole upper sideline, and 47 be taper hole lower sideline；
Attached drawing 9 is drill headstock related layouts schematic diagram, and 8 be drill headstock, and 12 be motor, and 18 be hydraulic stem, and 20 be gear,
20 can also be 21 and 22 in attached drawing 3, and 25 be fixed bit auger axis shaft hole sleeve, and 48 be axle sleeve, and 49 be positioning plate；
Attached drawing 10 is shaft hole sleeve calibrating principle schematic diagram, and 23 and 24 be standard component, and 25 be fixed bit shaft hole sleeve, and 26 be activity
Position shaft hole sleeve, 50 be the intermediate gear axis hole position of activity bit shaft hole sleeve, and 51 be feed inlet, and 52 be positioning sleeve, and B refers to activity bit axis
Hole covers or the internal diameter of fixed bit shaft hole sleeve, and the endoporus where B is installation auger axis, and C refers to the internal diameter of activity bit shaft hole sleeve, C
The endoporus at place is installation intermediate gear shaft.
Specific embodiment
Applicant is described with reference to its operation principle：It has to be noted here that drill press spindle refers to the master of hydraulic device control
Axis, and auger axis refer to the main shaft for installing drill bit, the two is not the same thing, such as, it is now desired to bore the four of a collection of flange part
A hole, it is necessary to four auger axis, but the number in hole is all not related with drill press spindle, and the effect of shaft hole sleeve is for installing
Axle sleeve, wherein fixed bit shaft hole sleeve are that installation site when being factory produced according to motor 12 just has determined that,
The product that drill headstock dispatches from the factory in batch production only has the axis where fixed bit auger axis and fixed bit auger axis
Hole set, axle sleeve, gear be it is assembled, the main shaft and fixed bit auger axis of motor 12 on the same axis, with fixed bit
Auger axis do reference axis be beneficial to assembling and installation, and the related components of activity bit be do not assemble, it is necessary to when processing according to
It is voluntarily assembled according to the hole position of product,
During assembling, completed using prover and positioning sleeve, standard component, standard component refers to having using other machine toolings
The part of gauge orifice position, current leans on what modulus method was completed when carrying out Drilling operation also with standard component, what this standard component had
Referred to as mold, in order to prevent multiple hole drilling die hole become larger, mold is heat-treated, but standard component of the present invention need not heat
Processing, this can also reduce production cost, and the upper standard component of standard component of the present invention point and lower standard component, the aperture of upper standard component are slightly larger than
Shaft hole sleeve outer diameter, the aperture of lower standard component is workpiece aperture, and the outer diameter of standard component is less than drill headstock internal diameter 0.01mm or equal to brill
Headstock internal diameter installs standard component and shaft hole sleeve, positioning sleeve according to attached drawing 10 Suo Shi, and the outside of standard component is exactly drill headstock, fixed
Position, which is sleeved on shaft hole sleeve both ends, to be had, and positioning sleeve first one side outer diameter is equal to the hole position internal diameter of lower standard component, and one side outer diameter is equal to activity
The lower stomidium internal diameter of position shaft hole sleeve, positioning sleeve first inside taper is 60 degree, and positioning sleeve second one side outer diameter is equal to activity bit shaft hole sleeve
Upper end hole internal diameter, one side outer diameter is more than the upper end hole internal diameter of activity bit shaft hole sleeve, and taper is 60 degree on the inside of positioning sleeve second, up and down
The front end taper of calibration of axes is 60 degree, it is noted here that in theory, it is only necessary to positioning sleeve hole taper and calibration of axes
Front end taper it is identical, still, general machining centre bore is all using centre drill, and the taper of centre drill is exactly 60
Degree so so defining beneficial to processing, drill headstock is placed on prover, passes through the calibration of axes up and down of prover and positioning
It covers and carries out preliminary calibration, after preliminary calibration, positioning sleeve is taken out, be packed into auger axis and axle sleeve, bearing, gear utilize brill
The centre bore of head main shaft is calibrated again, and since prover is only there are one upper and lower calibration of axes, calibration can only come one by one, profit
Reference calibration is done with fixed bit, i.e., first loads onto gear, the drill press spindle of fixed bit, because school is not required in the drill press spindle of fixed bit
Standard, and its auger axis hole of activity bit shaft hole sleeve is parallel with intermediate gear axis hole wherein heart line, as long as so calibration drill bit
Prover is calibrated an activity bit drilling machine adjacent with fixed bit drill press spindle by main shaft, intermediate gear shaft also synchronous calibration
Main shaft, calibration of axes pushes against drill press spindle centre bore to prover up and down, and by rotary moveable position shaft hole sleeve, gear is adjusted in place,
Since upper standard component aperture is slightly larger than shaft hole sleeve outer diameter, by hot melt adhesive, upper standard component and shaft hole sleeve are fixed together, used
All auger axis are installed in place by same method, then, input coagulator to feed inlet, one more commonly used solidifying
Gu agent is cement, cement filling is entered, water is added to maintain, after curing, the shaft hole sleeve region addition coagulator equally above upper mold,
In order to avoid shaft hole sleeve rotates, so after the completion of, drill headstock is installed on positioning plate, it is possible to work, it is necessary to when replacing, by master
Axis and axle sleeve are taken off together, are packed into another drill headstock, and in order to save material cost, drill headstock encapsulates the part of cement
Plastic cement can be utilized to replace, because this part simply plays the role of limiting shaft hole sleeve rotation, in this way, a drill headstock is not required to
Cost that will be how high
It in addition, if not using positioning sleeve second, but is directly calibrated using the centre bore of auger axis, from principle
And it is feasible, but this method, there are one drawback, exactly excessive thick school meeting attended by all faculty and students causes centre bore to damage, calibrating quality is caused to become
Difference.
The principle of circle spanner, due to being encapsulation, so, if taper-shank drill, present axle sleeve is to have no idea to take
Get off, here using circle spanner, when taper-shank drill is installed, taper shank needs to expose 5 to 20mm, and the 44 of circle spanner are unclamped, with
It, 42 also unclamp, and circle spanner is packed into taper shank part, it is noted that and 41 and 42 its taper hole taper of circle spanner are equal to taper shank taper, then
44 are tightened, turns 43, drill bit is taken off, the rope fastening hole of circle spanner is for being cord, and circle spanner is utilized cord system
On lathe, prevent from can not find during operation.
Claims (4)
1. a kind of multiple drill press, it is characterized in that：Multiple drill press mainly makes the cone pulley speed governing of current bench drill into frequency converter timing, with
The relevant parts of main shaft change to be made of drill headstock, hydraulic cylinder, drill press spindle, and prover and mark are utilized when drill headstock voluntarily assembles
Quasi- part calibration, is completed when taper-shank drill or taper-shank drillchuck are dismantled using circle spanner,
The drill press spindle is acted on by hydraulic cylinder, and hydraulic stem moves up and down, and hydraulic stem moves up and down drive drill headstock
It moves up and down, completes drilling, need to ensure to move up and down when drill press spindle designs, it is impossible to rotate, positioning plate（49 ）Work
With being when being connected with drill headstock, ensure drill headstock flatness, in this way, when drill headstock moves up and down, auger axis rotating shaft center
Line and center line of bit are collinear；
The standard component divides upper and lower pieces, and lower standard component is the part with gauge orifice position using machine tooling, upper standard component
Be using machine tooling have and there is the parts of concentric holes in gauge orifice position, these concentric holes aperture ratio shaft hole sleeve outer diameters are big
0.5mm to 5mm.
2. according to multiple drill press described in claim 1, it is characterized in that：
The circle spanner is by justifying spanner pedestal（A）, fix half round block（41）, movable half round block（42）, pull rod（43）, locking screw
Bar（44）Composition,
The circle spanner pedestal（A）On have rope fastening hole（45）For for tether, fixing half round block（41）It is fixed on pedestal,
Movable half round block（42）, pull rod（43）, tie down screw（44）All it is mounted on pedestal；
Half round block of activity（42）Half round block can fixed（41）Same plane in move, it is solid so as to expand or shrink
Fixed half round block（41）With movable half round block（42）Aperture, movable half round block（42）It cannot move up and down；
The tie down screw（44）It is half round block of locking activity（42）Or half round block of release activity（42）；
The pull rod（43）It is in tie down screw（44）After half round block of locking activity, pull rod is turned, removes drill bit or drill chuck；
Described fixes half round block（41）With movable half round block（42）Its taper hole taper is equal to taper-shank drill or drill chuck after merging
Taper shank taper.
3. according to multiple drill press described in claim 1, it is characterized in that：
The drill headstock is mainly by pedestal（8）, shaft hole sleeve, auger axis axle sleeve, intermediate gear shaft axle sleeve, fixed bit drill bit master
Axis（28）, activity bit auger axis（29）, bearing（27）, fixed bit auger axis gear（20）, activity bit auger axis gear
（21）, intermediate gear（22）, motor（12）, frequency converter composition,
The pedestal（8）It is the component being locked on drill press spindle, pedestal（8）Filling coagulator be for fixed shaft hole set,
Pedestal is used for mounting shaft hole set, motor（12）, shaft hole sleeve include fixed bit shaft hole sleeve（25）With activity bit shaft hole sleeve（26）；
The activity bit shaft hole sleeve（26）There are two types of hole position, a kind of hole position is used for installing auger axis axle sleeve, and one kind is used for pacifying
Fill intermediate gear shaft axle sleeve, fixed bit shaft hole sleeve（25）Refer to that shaft hole sleeve has been installed when dispatching from the factory and debugging finishes, user is not
It needs voluntarily to install, activity bit shaft hole sleeve（26）Refer to that shaft hole sleeve and drill headstock are separated, it is necessary to which user voluntarily installs and adjusts
Examination；
The auger axis axle sleeve is for installing auger axis, and intermediate gear shaft axle sleeve is used for installing intermediate gear shaft, axis
Set and main shaft or intermediate gear shaft are installed by bearing；
The auger axis are the main shafts for installing drill bit, and front end is taper hole, taper hole taper and drill taper shank taper phase
Together, rear end is gear installation position；
The intermediate gear shaft is the main shaft for installing intermediate gear；
There are two types of the axle sleeves, and one kind is auger axis axle sleeve, and one kind is intermediate gear shaft axle sleeve；
The frequency converter is the frequency for changing motor, so as to change the rotating speed of motor.
4. according to multiple drill press described in claim 1, it is characterized in that：
The prover is by slide plate（30）, prover pedestal（31）, pull rod（32）, upper calibration of axes（33）, the prover seat of honour
（34）, hydraulic cylinder（35）, hydraulic fitting（36 、37 ）, lower calibration of axes（38）, hydraulic column（39）Composition, prover are used for school
The verticality of quasi- auger axis, so that center line its degree of deviation when the center line and bit of auger axis is rational
In the range of, prover needs and standard component, positioning sleeve cooperating, operation principle are,
The hole position that positioning sleeve first is respectively fitted over to lower standard component neutralizes activity bit shaft hole sleeve（26）Lower stomidium in, positioning sleeve second set
In activity bit shaft hole sleeve（26）Upper end hole in, by activity bit shaft hole sleeve（26）Through the hole position of upper standard component, upper and lower standard component
Drill headstock is packed into, after placement, by positioning sleeve second and positioning sleeve first respectively with upper and lower calibration of axes alignment, is slided using hydraulic pressing
Plate（30）Calibration without using hydraulic pressure, uses artificial pressure slide plate（30）It is good, after compression, using hot melt adhesive by shaft hole sleeve and upper
Standard component is positioned, after hot melt adhesive cooling after, carry out the positioning of other activity bit shaft hole sleeves successively, after positioning, from into
Whole show position shaft hole sleeve is positioned, then carries out the assembling of other parts by the filling coagulator of material mouth,
The positioning sleeve first one side outer diameter is equal to the hole position internal diameter of lower standard component, and one side outer diameter is equal under activity bit shaft hole sleeve
Stomidium internal diameter, positioning sleeve first inside taper is 60 degree,
The positioning sleeve second one side outer diameter is equal to activity bit shaft hole sleeve（26）Upper end hole internal diameter, one side outer diameter be more than activity bit
Shaft hole sleeve（26）Upper end hole internal diameter, taper is 60 degree on the inside of positioning sleeve second；
The upper calibration of axes（33）With lower calibration of axes（38）Front end taper is 60 degree, upper calibration of axes（33）With lower calibration of axes（38）Its
Spindle centerline be overlap, and calibration when on calibration of axes move down when be to vertically move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097190.9A CN106392124B (en) | 2016-12-02 | 2016-12-02 | A kind of multiple drill press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097190.9A CN106392124B (en) | 2016-12-02 | 2016-12-02 | A kind of multiple drill press |
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| Publication Number | Publication Date |
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| CN106392124A CN106392124A (en) | 2017-02-15 |
| CN106392124B true CN106392124B (en) | 2018-05-29 |
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| CN201611097190.9A Active CN106392124B (en) | 2016-12-02 | 2016-12-02 | A kind of multiple drill press |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790773A (en) * | 2017-11-21 | 2018-03-13 | 鹤山市金汇五金卫浴实业有限公司 | A kind of drilling equipment |
| CN110394483A (en) * | 2018-04-24 | 2019-11-01 | 张家界航空工业职业技术学院 | A kind of drilling machine prover |
| CN110805760A (en) * | 2018-08-06 | 2020-02-18 | 淮安市淮宁钢结构有限公司 | Steel pipe butt joint method adopting chain type steel pipe butt joint device |
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| CN2712514Y (en) * | 2004-06-28 | 2005-07-27 | 徐进来 | Auxiliary positioning device for drill bit for multiheaded boring and tapping |
| CN2803581Y (en) * | 2005-03-01 | 2006-08-09 | 梁永源 | Multiple mainshafts system of auto drill for making locks |
| CN201283434Y (en) * | 2008-11-07 | 2009-08-05 | 葛节南 | Three-head numerically controlled drilling machine |
| CN101564772A (en) * | 2009-04-29 | 2009-10-28 | 沈阳机床股份有限公司中捷钻镗床厂 | Variable-frequency radial drilling machine |
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| JP2015039744A (en) * | 2013-08-22 | 2015-03-02 | 宮川工業株式会社 | Tool support device |
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| Publication number | Publication date |
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| CN106392124A (en) | 2017-02-15 |
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Effective date of registration: 20180828 Address after: 427000 Yanghu Ping Road, C District, Zhangjiajie Economic Development Zone, Hunan Patentee after: Zhangjiajie Auto Parts Manufacturing Co., Ltd. Address before: 427000 hot water pit, Dayong Bridge office, Yongding District, Zhangjiajie, Hunan Patentee before: Zhangjiajie Institute of Aeronautical Engineering |