CN203830768U - Numerically-controlled multi-axis drilling and milling machine tool with portal - Google Patents

Numerically-controlled multi-axis drilling and milling machine tool with portal Download PDF

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Publication number
CN203830768U
CN203830768U CN201420220179.7U CN201420220179U CN203830768U CN 203830768 U CN203830768 U CN 203830768U CN 201420220179 U CN201420220179 U CN 201420220179U CN 203830768 U CN203830768 U CN 203830768U
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CN
China
Prior art keywords
drilling
milling
lathe bed
shaft
machine tool
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Withdrawn - After Issue
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CN201420220179.7U
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Chinese (zh)
Inventor
李中生
冯显英
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Heze City Mudan District Jin Bolida Precision Optical Machinery Co Ltd
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Heze City Mudan District Jin Bolida Precision Optical Machinery Co Ltd
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Priority to CN201420220179.7U priority Critical patent/CN203830768U/en
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Publication of CN203830768U publication Critical patent/CN203830768U/en
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Abstract

The utility model discloses a numerically-controlled multi-axis drilling and milling machine tool with a portal. The numerically-controlled multi-axis drilling and milling machine tool with the portal comprises the portal, wherein a lathe bed which can make workpieces move in the X direction of the horizontal plane and in the Y direction of the horizontal plane is arranged below the portal, clamping devices used for clamping the workpieces are arranged on the lathe bed, a gang drill is arranged on the top of the lathe bed and located on a portal frame which is fixedly installed relative to the lathe bed, the gang drill comprises multiple drilling and milling devices, each drilling and milling device is driven by a two-stage power device to move up and down in the vertical direction, two-stage adjustment of the vertical distance between the drilling and milling devices and the workpieces is achieved, and the drilling and milling devices are driven by the same driving device to rotate. By the adoption of the numerically-controlled multi-axis drilling and milling machine tool with the portal, a large scale of workpeices can be drilled and milled more efficiently, and the gap between China and other advanced countries is narrowed.

Description

Numerical control multi-shaft gantry drilling and milling machine tool
Technical field
The utility model relates to digital control processing field, specifically a kind of numerical control multi-shaft gantry drilling and milling machine tool.
Background technology
Current, the manufacturing industry of China is in flourish period, and the brill milling process requirements amount of various workpiece is very large, and therefore numerical control drilling-milling lathe is obtaining applying more and more widely, and this also makes Present Domestic numerical control drilling-milling lathe exist the very large market demand.The numerical control drilling-milling lathe that Present Domestic enterprise produces only has one to bore milling processing head mostly, and during in the face of processing tasks in enormous quantities, operating efficiency is lower, and operator's labour intensity is larger.
In the time increasing the quantity of boring milling processing head, not merely require will increase on space structure a lot, but also to ensure between each processing head, there is higher relative positional accuracy, simultaneously, due to being increased in lathe in process and must bearing larger cutting force of processing head quantity, the stability of lathe and precision all can be declined to some extent.
Utility model content
The shortcoming that the utility model exists in order to solve prior art, the utility model discloses a kind of numerical control multi-shaft gantry drilling and milling machine tool.
The technical solution adopted in the utility model is as follows:
A kind of numerical control multi-shaft gantry drilling and milling machine tool, comprises a gantry, is provided with and can makes workpiece at the directions X of horizontal plane and the lathe bed of Y-direction motion below described gantry; Described lathe bed is provided with the clamping device for clamping work pieces, on hard-wired gantry frame, be provided with gang drill corresponding thereto at described lathe bed top, described gang drill comprises multiple drilling-milling apparatus, described drilling-milling apparatus drives its in the vertical direction to move up and down by two-stage power set, realize the two-stage adjustment of vertical range between drilling-milling apparatus and workpiece, and drilling-milling apparatus drives its rotation by same set of drive unit.
Described lathe bed comprises that X is to lathe bed and Y-direction lathe bed, and described Y-direction lathe bed can be along moving back and forth to lathe bed at X, and be provided with can be along clamping device its slip and that be used for clamping work pieces at the top of Y-direction lathe bed.
Described X is to lathe bed, its both sides are provided with two X direction guiding rails that are parallel to each other, on described X direction guiding rail, be provided with X to slide block, be provided with an X to the centre of lathe bed at X to leading screw, described X is provided with an X to nut above leading screw, described X is provided with an X to nut seat to nut, and described X connects servomotor to leading screw by a shaft coupling.
Described Y-direction lathe bed, its both sides are provided with two Y-direction guide rails that are parallel to each other, on described Y-direction guide rail, be provided with Y-direction slide block, be provided with a Y-direction leading screw to the centre of lathe bed at X, above described Y-direction leading screw, be provided with a Y-direction nut, described X is provided with a Y-direction nut seat to nut, and described Y-direction leading screw connects servomotor by a shaft coupling.
The bottom of described Y-direction lathe bed is fixed on X to nut seat, and the bottom of Y-direction lathe bed coordinates to slide block with X.
Described gang drill comprises 6 drilling-milling apparatus, and 6 drilling-milling apparatus are separately by an air cylinder driven, 6 cylinders are realized the one-level driving of drilling-milling apparatus separately according to demand, and then realize the one-level adjustment that between drilling-milling apparatus and workpiece, given vertical stroke arranges, with between 1-6 drilling-milling apparatus, the brill milling effect quantity of Flexible Control drilling-milling apparatus.
6 described cylinders are arranged on same crossbeam in the lump together with drilling-milling apparatus separately, described crossbeam moves up and down along beam guideway under Z-direction servomotor and the effect of Z-direction lead screw pair, the power of described Z-direction servomotor output is first divided into the turning moment of the force transmission shaft of installing along horizontal layout and the force transmission shaft driving moment I perpendicular to layout in the vertical plane of electrical axis by Brake-actuating mechanism, the described power transmission shaft end of installing along horizontal layout is installed another Brake-actuating mechanism, and driving force is converted to another force transmission shaft driving force of layout II in vertical plane; The each self-driven leading screw of force transmission shaft of synchronous driving moment I, II, the drive nut matching with described leading screw is connected near described crossbeam two ends place, crossbeam two ends connect a slide block separately, described crossbeam moves up and down under the drive of slide block, and then crossbeam drive simultaneously 6 independently drilling-milling apparatus move up and down, and then realize the secondary continuous feed motion of vertical range between drilling-milling apparatus and workpiece.
Described 6 independently drilling-milling apparatus drive its rotation by same secondary synchronous cog belt, the centralized driving that has realized six drilling-milling apparatus is consistent with rotating speed; Described synchronous cog belt is driven by an alternating current generator, and regulating wheel is also installed on described synchronous cog belt;
Described regulating wheel comprises three, respectively in the driving wheel that is arranged on 6 drilling-milling apparatus at interval; Ensureing has large contact angle between Timing Belt and synchronous pulley., can also adjust by simple meanwhile, select flexibly the main motion of 6 drilling-milling apparatus to drive quantity, both efficient, effectively energy-conservation again.
Described clamping device comprises a pair of clamping cylinder, and clamping cylinder is adjusted spacing by motion block between workpiece in the time of clamping work pieces.
Described drilling-milling apparatus is for boring milling unit head.
Described screw pair is ball guide screw nat.
The beneficial effects of the utility model are as follows:
Gang drill cylinder is arranged on crossbeam, adding man-hour, first will bore milling unit head by gang drill cylinder and release a segment distance downwards, can reduce like this displacement of leading screw and crossbeam, can improve working (machining) efficiency, and realize the one-level adjustment of distance between drill bit and workpiece, and the one-level adjustment of boring milling unit head can flexible controlled selection in 1-6 quantitative range according to demand; Then crossbeam moves up and down along beam guideway under Z-direction servomotor and the effect of Z-direction leading screw, drill bit is pressed close to or away from workpiece, realized the secondary feeding adjustment of distance between drill bit and workpiece; The power of Z-direction servomotor output is divided into along the rotation of electrical axis and the rotation of motor vertical axis by Brake-actuating mechanism, the motion by commutator and leading screw worm drive, motor being passed over again converts to and moves up and down, so both reduced the quantity of servomotor, can also ensure that two Z-direction leading screws on crossbeam had identical feed speed; Six are bored milling unit head and are driven by same alternating current generator, consistent in order to ensure six brill milling unit head rotating speeds, adopt transmission accuracy high Timing Belt 40, and added three Timing Belt regulating wheels, can ensure has large contact angle between Timing Belt and synchronous pulley.The design of this structure can realize the clamped one time location processing to six workpiece simultaneously, and utilizes servomotor and this high-precision kind of drive of leading screw, has not only improved working (machining) efficiency but also precision and has also greatly improved.
The utility model can bore milling processing to reaching 6 workpiece simultaneously simultaneously, and drilling-milling apparatus has designed 6 and bored milling unit heads, is coordinated and is driven by alternating current generator, Z-direction servomotor and gang drill cylinder.When processing starts, six Drilling and milling heads are driven and are carried out High Rotation Speed by synchronous pulley by alternating current generator, first under the driving of gang drill cylinder, make to bore milling unit head fast approaching workpiece, then 6 brill milling equipment carry out accurate feeding under the driving of Z-direction servomotor and leading screw, can accelerate Drilling and milling head near workpiece by the promotion of cylinder like this, improve working (machining) efficiency.Meanwhile, be beneficial to 6 and bore the one-level fast feed adjustment of setting separately 6 cylinders of stroke on milling unit head, can bore flexible choice work between milling unit head at 1-6, ensured high efficiency, high accuracy and flexibility.
For realizing the flexibility processing to different width dimensions workpiece, when clamping device clamping work pieces, between workpiece, adjust spacing by motion block, and provide clamping force by cylinder; And for different length, the Working position in different holes, adapts to the processing of different workpieces by adjusting the position of fixture.
Numerical control multi-shaft drilling and milling machine tool adopts planer type structure, three-shaft linkage, thus the fast and flexible of realizing workpiece and drilling-milling apparatus moves.
Brief description of the drawings
Accompanying drawing 1 numerical control multi-shaft gantry drilling and milling machine front view;
Accompanying drawing 2 X are to lathe bed and component diagram thereof;
Accompanying drawing 3 X, Y-direction lathe bed and component diagram thereof;
Accompanying drawing 4 numerical control multi-shaft gantry drilling and milling machine structural representations;
In figure: 1. X direction guiding rail, 2.X is to lathe bed, 3.X is to slide block, 4. gantry, 5.Y is to lathe bed, 6.Y direction guiding rail, 7.Y is to slide block, 8. clamping cylinder, 9. gang drill, 10. gang drill cylinder, 11. synchronous pulleys, 12. Brake-actuating mechanisms, 13. guard shields, 14. force transmission shafts, 15. alternating current generators, 16. alternating current generator supports, 17. Brake-actuating mechanisms, 18.Z is to servomotor, 19.Z is to bracing frame, 20.Z is to leading screw, 21. beam guideways, 22.Z is to leading screw and crossbeam Connection Block, 23. crossbeams, 24. crossbeam slide blocks, 25. workpiece, 26. air-actuated jaws, 27. fixture slide blocks, 28. fixture guide rails, 29.X is to nut, 30.X is to nut seat, 31.X is to leading screw, 32.X is to shaft coupling, 33.X is to servomotor, 34.Y is to leading screw, 35.Y is to nut, 36.Y is to nut seat, 37.Y is to servomotor connecting plate, 38.Y is to servomotor, 39.Y is to shaft coupling, 40. Timing Belts, 41. regulating wheels, 42. workpiece location-plates.
Detailed description of the invention
Fig. 1-4th, shown a kind of specific embodiment, numerical control multi-shaft gantry drilling and milling machine tool, comprises a gantry 4, gantry 4 is provided with guard shield 13, is provided with and can makes workpiece at the directions X of horizontal plane and the lathe bed of Y-direction motion below described gantry 4; Described lathe bed is provided with the clamping device for clamping work pieces, on lathe bed corresponding thereto be provided with gang drill 9, described gang drill 9 is moved up and down by its in the vertical direction of two-stage power drive, gang drill 9 is by its rotation of same drive force.
Lathe bed comprises that X is to lathe bed 2 and Y-direction lathe bed 5, and described Y-direction lathe bed 5 can be along moving back and forth to lathe bed 2 at X, and be provided with can be along clamping device its slip and that be used for clamping work pieces at the top of Y-direction lathe bed 5.
X is to lathe bed 2, its both sides are provided with two X direction guiding rails that are parallel to each other, on X direction guiding rail, be provided with X to slide block 3, be provided with an X to the centre of lathe bed at X to leading screw 1, X is provided with an X to nut 29 above leading screw 1, described X is provided with an X to nut seat 30 to nut 29, and X connects X to servomotor 33 by an X to shaft coupling 32 to leading screw 31.
Y-direction lathe bed 5, its both sides are provided with two Y-direction guide rails 6 that are parallel to each other, on described Y-direction guide rail 6, be provided with Y-direction slide block 7, be provided with a Y-direction leading screw 34 to the centre of lathe bed 2 at X, Y-direction leading screw 34 is provided with a Y-direction nut 35 above, described X is provided with a Y-direction nut seat 36 to nut 34, and Y-direction leading screw 34 connects Y-direction servomotor 38 by a Y-direction shaft coupling 39.
The bottom of Y-direction lathe bed 5 is fixed on X to nut seat, and the bottom of Y-direction lathe bed 5 coordinates to slide block with X.
Gang drill 9 comprises 6, and 6 gang drills 9 are separately by air cylinder driven, and 6 cylinders are realized gang drill 9 one-levels are driven.
6 cylinders are arranged on same crossbeam 23, crossbeam 23 is moving up and down along beam guideway under Z-direction servomotor 18,20 effects of Z-direction leading screw, the power of described Z-direction servomotor output is first divided into along the rotation horizontal force of electrical axis and the I of power vertically downward of motor vertical axis rotation by Brake-actuating mechanism 17, installs one be converted into the commutator 12 of power II vertically downward along the end of the force transmission shaft 14 of the rotation horizontal force of electrical axis; Power I, the each self-driven leading screw of the force transmission shaft of power II vertically downward vertically downward, on described leading screw, connect separately a slide block, crossbeam moves up and down under the driving of slide block, and then crossbeam drives 6 cylinders to move up and down simultaneously, realizes the secondary drive to gang drill 9.
Z-direction servomotor 18 supports by Z-direction bracing frame 19.
Cylinder drives coupled synchronous pulley 11 to rotate by same Timing Belt, and described Timing Belt 40 has an alternating current generator 15 to drive, and regulating wheel 41 is also installed on described Timing Belt.
Alternating current generator supports by alternating current generator support 16.
Clamping device comprises a clamping cylinder 8, and clamping cylinder 8 is adjusted spacing by motion block between workpiece in the time of clamping work pieces; And workpiece location-plate 42 positions workpiece.
When numerical control multi-shaft gantry drilling and milling machine tool material loading, workpiece 25 is placed in the groove of air-actuated jaw 26, and accurately locates by 42 positioning baffle, adds man-hour clamping cylinder 8 and promotes the motion block motion clamping work pieces of fixture.After Workpiece clamping, adjust operating position according to processing request, the adjustment of operating position realizes by the motion of X and Y-direction lathe bed 5.After adjusting position, process, add and first by gang drill cylinder 10, drill bit is released to a segment distance downwards man-hour, then crossbeam 23 moves up and down and drives drill bit to be attached on workpiece to hole along beam guideway 21 under Z-direction servomotor 18 and 20 effects of Z-direction leading screw.6 drill bits carry out Drilling operation under the driving of alternating current generator 15 simultaneously, machine rear drill bit again under the common driving of Z-direction servomotor 18 and gang drill cylinder 10 away from workpiece, whole process is complete.
Y-direction lathe bed 5 is arranged on X on lathe bed 2, workbench is arranged on again on Y-direction lathe bed 5, X to servomotor 33 and X under the driving of leading screw 31, drive Y-direction lathe bed 5 and workbench in X-direction, to do feed motion, same, workbench does feed motion along Y-axis under the driving of Y-direction servomotor 38 and Y-direction leading screw 34.Motion on this both direction of horizontal plane all utilizes stationarity and the accuracy of driven by servomotor, can ensure very high machining accuracy.
Gang drill 9 and gang drill cylinder 10 are arranged on crossbeam 23, are adding man-hour, first by gang drill cylinder 10, drill bit are released to a segment distance downwards, can reduce like this displacement of leading screw and crossbeam, can improve working (machining) efficiency; Then crossbeam 23 moves up and down along beam guideway 21 under 20 effects of Z-direction servomotor 18 and Z-direction leading screw, and drill bit is pressed close to or away from workpiece; The power of Z-direction servomotor output is divided into along the rotation of electrical axis and the rotation of motor vertical axis by Brake-actuating mechanism 17, the motion by commutator 12, motor being passed over again converts to and moves up and down, so both reduced the quantity of servomotor, can also ensure that two Z-direction leading screws on crossbeam had identical feed speed; Six rigs are driven by same alternating current generator 15, in order to ensure that six rig rotating speeds unanimously adopt the Timing Belt 40 that transmission accuracy is high, and added three Timing Belt regulating wheels 41, can ensure has large contact angle between Timing Belt 40 and synchronous pulley.The design of this structure can realize the clamped one time location processing to six workpiece simultaneously, and utilizes servomotor and this high-precision kind of drive of leading screw, has not only improved working (machining) efficiency but also precision and has also greatly improved.
Workpiece 25 is placed in the groove of air-actuated jaw 26, and accurately locates by 42 positioning baffle, adds man-hour clamping cylinder 8 and promotes the motion block motion clamping work pieces of fixture.Because the motion block of fixture can be adjusted within the specific limits with the separation of determining piece, and whole fixture can move by slide block 27 on guide rail 28, therefore can, according to the position of the sectional dimension of workpiece and length adjustment fixture, can adapt to the processing of different size and model section bar.When processing, motion and clamping device can automatically coordinate the while on 6 workpiece, to complete multiple continuous drilling process under the control of CNC program.

Claims (10)

1. numerical control multi-shaft gantry drilling and milling machine tool, comprises a gantry, is provided with and can makes workpiece at the directions X of horizontal plane and a lathe bed of Y-direction motion below described gantry; Described lathe bed is provided with the clamping device for clamping work pieces, it is characterized in that: on hard-wired gantry frame, be provided with gang drill corresponding thereto at described lathe bed top, described gang drill comprises multiple drilling-milling apparatus, described drilling-milling apparatus drives its in the vertical direction to move up and down by two-stage power set, realize the two-stage adjustment of vertical range between drilling-milling apparatus and workpiece, and drilling-milling apparatus drives its rotation by same set of drive unit.
2. numerical control multi-shaft as claimed in claim 1 gantry drilling and milling machine tool, it is characterized in that: described lathe bed comprises that X is to lathe bed and Y-direction lathe bed, described Y-direction lathe bed can be along moving back and forth to lathe bed at X, and be provided with can be along clamping device its slip and that be used for clamping work pieces at the top of Y-direction lathe bed.
3. numerical control multi-shaft as claimed in claim 2 gantry drilling and milling machine tool, it is characterized in that: described X is to lathe bed, its both sides are provided with two X direction guiding rails that are parallel to each other, on described X direction guiding rail, be provided with X to slide block, be provided with an X to the centre of lathe bed at X to leading screw, described X is provided with an X to nut above leading screw, and described X is provided with an X to nut seat to nut, and described X connects servomotor to leading screw by a shaft coupling.
4. numerical control multi-shaft as claimed in claim 2 gantry drilling and milling machine tool, it is characterized in that: described Y-direction lathe bed, its both sides are provided with two Y-direction guide rails that are parallel to each other, on described Y-direction guide rail, be provided with Y-direction slide block, be provided with a Y-direction leading screw to the centre of lathe bed at X, above described Y-direction leading screw, be provided with a Y-direction nut, described X is provided with a Y-direction nut seat to nut, and described Y-direction leading screw connects servomotor by a shaft coupling.
5. the numerical control multi-shaft gantry drilling and milling machine tool as described in claim 3 or 4, is characterized in that: the bottom of described Y-direction lathe bed is fixed on X to nut seat, and the bottom of Y-direction lathe bed coordinates to slide block with X.
6. numerical control multi-shaft as claimed in claim 1 gantry drilling and milling machine tool, it is characterized in that: described gang drill comprises 6 drilling-milling apparatus, and 6 drilling-milling apparatus are separately by an air cylinder driven, 6 cylinders are realized the one-level driving of drilling-milling apparatus separately, and then realize the one-level adjustment that between drilling-milling apparatus and workpiece, given vertical stroke arranges.
7. numerical control multi-shaft as claimed in claim 6 gantry drilling and milling machine tool, it is characterized in that: 6 described cylinders are arranged on same crossbeam in the lump together with drilling-milling apparatus separately, described crossbeam moves up and down along beam guideway under Z-direction servomotor and the effect of Z-direction lead screw pair, the power of described Z-direction servomotor output is first divided into the turning moment of the force transmission shaft of installing along horizontal layout and the force transmission shaft driving moment I perpendicular to layout in the vertical plane of electrical axis by Brake-actuating mechanism, the described power transmission shaft end of installing along horizontal layout is installed another Brake-actuating mechanism, driving force is converted to another force transmission shaft driving force of layout II in vertical plane, the each self-driven leading screw of force transmission shaft of synchronous driving moment I, II, the drive nut matching with described leading screw is connected near described crossbeam two ends place, crossbeam two ends connect a slide block separately, described crossbeam moves up and down under the drive of slide block, and then crossbeam drive simultaneously 6 independently drilling-milling apparatus move up and down, and then realize the secondary continuous feed motion of vertical range between drilling-milling apparatus and workpiece.
8. the numerical control multi-shaft gantry drilling and milling machine tool as described in claim 6 or 7, is characterized in that: described 6 independently drilling-milling apparatus drive its rotation by same secondary synchronous cog belt, the centralized driving that has realized six drilling-milling apparatus is consistent with rotating speed; Described synchronous cog belt is driven by an alternating current generator, and regulating wheel is also installed on described synchronous cog belt.
9. numerical control multi-shaft as claimed in claim 8 gantry drilling and milling machine tool, is characterized in that: described regulating wheel comprises three, respectively in the driving wheel that is arranged on 6 drilling-milling apparatus at interval; Ensureing has large contact angle between Timing Belt and synchronous pulley.
10. numerical control multi-shaft as claimed in claim 1 gantry drilling and milling machine tool, is characterized in that: described clamping device comprises a clamping cylinder, and clamping cylinder is adjusted spacing by motion block between workpiece in the time of clamping work pieces.
CN201420220179.7U 2014-04-30 2014-04-30 Numerically-controlled multi-axis drilling and milling machine tool with portal Withdrawn - After Issue CN203830768U (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103962602A (en) * 2014-04-30 2014-08-06 菏泽市牡丹区金博利达精密机械有限公司 Numerical-control multi-spindle gantry drilling and milling machine tool
CN104476276A (en) * 2014-12-10 2015-04-01 成都市翻鑫家科技有限公司 Self-resetting multi-workpiece drilling machine
CN107263149A (en) * 2017-06-15 2017-10-20 周建南 A kind of valve processing punch device
TWI614074B (en) * 2016-03-09 2018-02-11 余敏守 Multi axis drilling machine capable of adjusting drill bit in two dimensions
CN108115165A (en) * 2017-12-28 2018-06-05 乐清市先驱自动化设备有限公司 A kind of mechanical automation drilling equipment
CN108115169A (en) * 2018-02-01 2018-06-05 海宁市大众建材有限公司 A kind of fixed mechanism of perforating device
CN109877356A (en) * 2019-01-31 2019-06-14 安徽省鑫矿液压机械有限责任公司 A kind of efficiently accurate perforating device
CN111168113A (en) * 2020-02-29 2020-05-19 王满永 Remachining machine for flange end drilling of casting part valve
CN111318734A (en) * 2020-03-15 2020-06-23 王莹燕 Positioning mechanism for shifting fork drilling

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103962602A (en) * 2014-04-30 2014-08-06 菏泽市牡丹区金博利达精密机械有限公司 Numerical-control multi-spindle gantry drilling and milling machine tool
CN103962602B (en) * 2014-04-30 2016-08-17 山东金博利达精密机械有限公司 numerical control multi-shaft gantry drilling and milling machine tool
CN104476276A (en) * 2014-12-10 2015-04-01 成都市翻鑫家科技有限公司 Self-resetting multi-workpiece drilling machine
TWI614074B (en) * 2016-03-09 2018-02-11 余敏守 Multi axis drilling machine capable of adjusting drill bit in two dimensions
CN107263149A (en) * 2017-06-15 2017-10-20 周建南 A kind of valve processing punch device
CN108115165A (en) * 2017-12-28 2018-06-05 乐清市先驱自动化设备有限公司 A kind of mechanical automation drilling equipment
CN108115169A (en) * 2018-02-01 2018-06-05 海宁市大众建材有限公司 A kind of fixed mechanism of perforating device
CN109877356A (en) * 2019-01-31 2019-06-14 安徽省鑫矿液压机械有限责任公司 A kind of efficiently accurate perforating device
CN111168113A (en) * 2020-02-29 2020-05-19 王满永 Remachining machine for flange end drilling of casting part valve
CN111168113B (en) * 2020-02-29 2020-12-22 浙江陶特容器科技股份有限公司 Remachining machine for flange end drilling of casting part valve
CN111318734A (en) * 2020-03-15 2020-06-23 王莹燕 Positioning mechanism for shifting fork drilling

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Granted publication date: 20140917

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C25 Abandonment of patent right or utility model to avoid double patenting