CN104440359B - A kind of automatic drilling beveler - Google Patents
A kind of automatic drilling beveler Download PDFInfo
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- CN104440359B CN104440359B CN201410599989.2A CN201410599989A CN104440359B CN 104440359 B CN104440359 B CN 104440359B CN 201410599989 A CN201410599989 A CN 201410599989A CN 104440359 B CN104440359 B CN 104440359B
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- Prior art keywords
- material returned
- cylinder
- fixed
- feed well
- manipulator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
- B23Q7/046—Handling workpieces or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/10—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of magazines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of automatic drilling beveler, comprise base, described base is fixed with vibrating disk, described base is also fixed with feed mechanism, organisation of working and unloading mechanism successively, described unloading mechanism side is provided with touch control panel.Automatic drilling beveler of the present invention can carry out two sides chamfer machining to product, realizes feeding full-automatic to this process of the material returned, greatly increase production efficiency, and security performance is high.
Description
Technical field
This practicality invention relates to field of machining, particularly relates to a kind of fully-automatic chamfering machine.
Background technology
Boring, chamfering are absolutely necessary operation in five metals processing industry, also have a variety of for the process equipment needed for these two operations, for the quality needed after the size of converted products, shape, material and processing difference selected by equipment also different.The product of screw washer is similar to for a circle class, as shown in Figure 1, middle two sides, hole all needs chamfering, conventional process equipment has bench drill, drilling machine etc., when this series products need add man-hour in a large number, required process equipment, the personnel of work are also just more, because this product two sides all needs chamfering, in process, after processing one side, artificial turn-over processing another side again, which not only adds the workload of operating personnel, easily cause operating personnel injured, and the efficiency of work is extremely low, simultaneously owing to being manual operation processing, often there is one side chamfering, another side forgets that the leakage processing phenomenon of turn-over chamfering occurs, seriously affect the quality of product.
Chinese patent CN200810234350.9 discloses a kind of external angle chamfering machine, comprise body, cutter, motor, charging cylinder, discharging cylinder, main tapping, feed pipe are installed on body, body is provided with can the slide block of slide anteroposterior, slide block is provided with cutter, support fixture is arranged on slide block, and feed pipe is arranged on directly over charging cylinder, and discharging cylinder and charging cylinder are correspondingly arranged on the opposite side on main tapping, in main tapping, collet chuck is installed, automatically charging can be completed by this technical scheme, workpiece ex-situ operations, the exterior angle at workpiece two ends is processed, after but this technical scheme completes the process of angle, one end, slide block slide rearwardly to anteposition, by discharging cylinder, workpiece is ejected again, support fixture drives workpiece to revolve turnback, continuation processing is carried out to unhewn end face, but for product as described in Figure 1, middle two sides, hole all needs chamfering, and volume is tiny, support fixture cannot carry out clamping to product, product more cannot be driven to revolve turnback chamfering is carried out to two sides, hole, therefore this technical scheme is not suitable for product as shown in Figure 1.
Chinese patent CN201210558297.4 discloses a kind of automatic chamfering machine and comprises feeder trough, transfer mechanism, clamping device and millstone device, feeding can be realized full-automatic to rewinding, improve operating efficiency and machining accuracy, but this technical scheme only can carry out chamfering to one side, can not carry out chamfering to two sides.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of automatic drilling beveler, realizing carrying out full-automatic two surface chamfers to product as shown in Figure 1, greatly increasing work efficiency, solve the appearance of leaking processing problems.
To achieve these goals, the invention provides following technical scheme:
A kind of automatic drilling beveler, comprise base, described base is fixed with vibrating disk, described base is also fixed with feed mechanism, organisation of working and unloading mechanism successively, described unloading mechanism side is provided with touch control panel.
Preferably, described feed mechanism comprises feeding mechanical hand, described feeding mechanical hand and feeding mechanical hand cylinders connect, feeding mechanical hand cylinder is for controlling the motion of feeding mechanical hand horizontal direction, rear end feed well is provided with below described feeding mechanical hand, front end feed well tilts to be connected with described rear end feed well, described front end feed well connects with described vibrating disk, feed well both sides, described front end are provided with the first charging cylinder and the second charging cylinder successively, before described first charging cylinder is positioned at the second charging cylinder, 3rd charging cylinder to be positioned at below the feed well of described front end and to connect with described rear end feed well, 4th charging cylinder is installed below the feed well of described rear end, described first, second, 3rd, 4th charging cylinder is for controlling the motion of product in feed well.
Preferably, described organisation of working comprises processing base, described processing base is fixed with binder cylinder, described binder cylinder is provided with binder block, is provided with cutter shaft above described binder block, be provided with alignment pin below described binder block.
Preferably, described unloading mechanism comprises material returned manipulator, described material returned manipulator can realize 360 degree of rotations, in the horizontal direction of described material returned manipulator, the first material returned cylinder is installed, described first material returned cylinder is for controlling the motion of material returned manipulator horizontal direction, described material returned manipulator vertical direction is provided with the second material returned cylinder, and the described material returned second cylinder is for controlling the motion of material returned manipulator vertical direction.
Preferably, described touch control panel and described feed mechanism, organisation of working and unloading mechanism are electrically connected, and the action of the moving components such as feed mechanism, organisation of working and unloading mechanism controls by touch screen control panel.
In a word, the present invention compared with prior art has following technical advantage:
1) before not using automatic drilling beveler of the present invention, the product needed shown in production and processing Fig. 1 drops into a large amount of personnel equipment, and the phenomenon of omitting processing one side often occurs, has a strong impact on the quality of product; After using automatic drilling beveler of the present invention, 100% ensures that product two sides is all processed, and ensure that the quality of product.
2) automatic drilling beveler of the present invention is all full-automatic from being fed to this process of the processing material returned, and security performance is high, and production efficiency is compared and improve 500% with manual operation, reduces cost of labor.
Accompanying drawing explanation
Fig. 1 is processed product schematic diagram;
Fig. 2 is overall structure figure of the present invention;
Fig. 3 is the structure chart of feed mechanism of the present invention;
Fig. 4 is the structure chart of organisation of working of the present invention;
Fig. 5 is the structure chart of unloading mechanism of the present invention;
In figure: 1 base, 2 vibrating disks, 3 feed mechanisms, 4 organisation of workings, 5 unloading mechanisms, 6 touch control panels, 31 feeding bracing frames, 32 slide rails, 33 slide track seats, 34 feeding mechanical hands, 35 feeding mechanical hand cylinders, 36 rear end feed wells, 37 front end feed wells, 38 first charging cylinders, 39 second charging cylinders, 310 the 3rd charging cylinders, 311 the 4th charging cylinders, 41 processing bases, 42 binder cylinders, 43 binder blocks, 44 cutter shafts, 45 alignment pins, 51 material returned bracing frames, 52 material returned slide rails, 53 material returned slide track seats, 54 traversing plates, 55 cross sliding rails, 56 cross sliding rail seats, 57 material returned manipulators, 58 first material returned cylinders, 59 second material returned cylinders, 3601 products exports, 5701 standing parts, 5702 movable parts, 5703 rotating shafts.
Detailed description of the invention
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Below in conjunction with the Figure of description in the present invention, be clearly and completely described the technical scheme in invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 2, for a kind of automatic drilling beveler of the present embodiment, comprise base 1, described base 1 is fixed with vibrating disk 2, described base 1 is also fixed with feed mechanism 3, organisation of working 4 and unloading mechanism 5 successively, described unloading mechanism 5 side is provided with touch control panel 6, described touch control panel 6 is electrically connected with described feed mechanism 2, organisation of working 3 and unloading mechanism 4, and the action of the moving components such as feed mechanism 3, organisation of working 3 and unloading mechanism 4 controls by touch screen control panel 6.
As shown in Figure 3, the structure chart of feed mechanism of the present invention, comprise feeding bracing frame 31, described feeding bracing frame 31 is fixed with slide rail 32, described slide rail 32 is equipped with slide track seat 33, described slide track seat 33 front end is fixed with feeding mechanical hand 34, and feeding mechanical hand cylinder 35 is fixed on the side of feeding bracing frame 31 and connects with slide track seat 33 rear end, and feeding mechanical hand cylinder 35 is for controlling the horizontal movement of feeding mechanical hand 34; The below of described feeding mechanical hand 34 is fixed with rear end feed well 36, and front end feed well 37 and rear end feed well 36 one-tenth 30-45 degree connect, and guarantee that product slides in front end feed well 37; Feed well 37 both sides, described front end are provided with the first charging cylinder 38 and the second charging cylinder 39 successively, before first charging cylinder 38 is positioned at the second charging cylinder 39,3rd charging cylinder 310 to be positioned at below described front end feed well 37 and to connect with described rear end feed well 36, and described 3rd charging cylinder 310 is for controlling in product introduction rear end feed well 36; Described rear end feed well 36 is provided with products export 3601, the feeding mechanical hand 34 of original state is positioned at directly over described products export 3601,4th charging cylinder 311 is positioned at immediately below described products export 3601, is delivered in feeding mechanical hand 34 by product by the action of the 4th charging cylinder 311.
As shown in Figure 4, the structure chart of organisation of working of the present invention, comprises processing base 41, described processing base 41 is fixed with binder cylinder 42, described binder cylinder 42 is provided with binder block 43, above described binder block 43, is provided with cutter shaft 44, below described binder block 43, be provided with alignment pin 45.
As shown in Figure 5, the structure chart of unloading mechanism of the present invention, comprise material returned bracing frame 51, described material returned bracing frame 51 both sides are fixed with material returned slide rail 52, described material returned slide rail 52 is equipped with material returned slide track seat 53, described material returned slide track seat 53 is fixed with traversing plate 54, described traversing plate 54 is fixed with cross sliding rail 55, described cross sliding rail 55 is equipped with cross sliding rail seat 56, material returned manipulator 57 is fixed on described cross sliding rail seat 56, described material returned manipulator 57 comprises standing part 5701, movable part 5702 and rotating shaft 5703, described standing part 5701 is fixed on cross sliding rail seat 56, described movable part 5702 can rotate around rotating shaft 5703 360 deg, first material returned cylinder 58 to be fixed on described traversing plate 54 and to be connected to a fixed with described cross sliding rail seat 53, can realize material returned manipulator 57 movement in the horizontal direction by the action of the first material returned cylinder 58, second material returned cylinder 59 is fixed on described material returned bracing frame 51 top and is connected to a fixed with described traversing plate 54, can realize material returned manipulator 57 movement in the vertical direction by the action of the second material returned cylinder 59.
Further describe the course of work and the principle of a kind of automatic drilling beveler of the present invention below:
Product self-feeding: product as shown in Figure 1 puts into vibrating disk 2, under the effect of vibrating disk 2, product is sent in front end feed well 37, now the first charging cylinder 38 and the second charging cylinder 39 are for blocking the state of stretching out, first charging cylinder 38 is return, product just slides and is blocked by the second charging cylinder 39, first charging cylinder 38 stretches out subsequently, continue the product blocking face in front end feed well 37, do not allow and slide, second charging cylinder 39 is return, product slides and pushes in rear end feed well 36 by the 3rd charging cylinder 310, second charging cylinder 39 stretches out and blocks next product, be arranged in the product of rear end feed well 36 through the 4th charging cylinder 311 upwards action feeding feeding mechanical hand 34, feeding mechanical hand 34 is by clamping product.
First surface chamfer machining is carried out to product: after product is sent to feeding mechanical hand 34,4th charging cylinder 311, the 3rd charging cylinder 310 are return, feeding mechanical hand 34 level under the effect of feeding mechanical hand cylinder 35 moves right, delivered to by product directly over alignment pin 45, feeding mechanical hand 34 unclamps, and product falls in alignment pin 45, feeding mechanical hand 34 is return, product is pushed down fixing downwards by binder block 43 under binder cylinder 42 acts on, and cutter shaft 44 moves downward, and carries out chamfering to product
Turn-over is carried out to product: after product completes first surface chamfering, cutter shaft 44 is return again, binder block 43 unclamps and shifts to side by binder cylinder 42 action, now material returned manipulator 57 moves to above alignment pin 45 under the drive of the first material returned cylinder 58, second material returned cylinder 59 drives material returned manipulator 57 downwards and is parked in the position of product, material returned manipulator 57 is by clamping product, second material returned cylinder 59 controls material returned manipulator 51 and moves upward and to be taken up by product, material returned manipulator 57 revolves turnback, completes turn-over.
Second processing is carried out to product: after product completes turn-over, second material returned cylinder 59 controls material returned manipulator 57 and moves downward and unclamped by product, product is got back on alignment pin 45, material returned manipulator 57 rotates up 180 degree and returns, product is again pushed down by binder block 43 under the effect of binder cylinder 42, and cutter shaft 44 carries out chamfer machining to product second face downwards.
Product automatic material returning: after product completes the second surface chamfer processing, cutter shaft 44 is return, binder block 43 unclamps and shifts to side by binder cylinder 42 action, material returned manipulator 57 moves to above alignment pin 45 under the drive of the first material returned cylinder 58, second material returned cylinder 59 drives material returned manipulator 57 to be parked in the position of product downwards, material returned manipulator 57 is by clamping product, material returned manipulator 57 moves upward and to be taken up by product under the effect of the second material returned cylinder 59, first material returned cylinder 58 controls material returned manipulator 57 level and retreats, product after machining is shifted out organisation of working 4, material returned manipulator 57 unclamps, product falls into glue box, product completes processing.
Automatic drilling beveler of the present invention 100% can carry out two-sided processing to product as shown in Figure 1, ensure that the quality of product, solve the technical problem of Lou processing, realizing from being fed to this process of the material returned full-automatic simultaneously, production efficiency improves 500%, greatly reduces cost of labor.
Claims (3)
1. an automatic drilling beveler, comprises base, it is characterized in that, described base is fixed with vibrating disk, and described base is also fixed with feed mechanism, organisation of working and unloading mechanism successively, and described unloading mechanism side is provided with touch control panel, described touch control panel and described feed mechanism, organisation of working and unloading mechanism are electrically connected, and for controlling the work of described feed mechanism, organisation of working and unloading mechanism, described unloading mechanism comprises material returned bracing frame, material returned manipulator, first material returned cylinder and the second material returned cylinder, described material returned bracing frame both sides are fixed with material returned slide rail, described material returned slide rail is equipped with material returned slide track seat, described material returned slide track seat is fixed with traversing plate, described traversing plate is fixed with cross sliding rail, described cross sliding rail is equipped with cross sliding rail seat, material returned manipulator is fixed on described cross sliding rail seat, described material returned manipulator comprises standing part, movable part and rotating shaft, described standing part is fixed on cross sliding rail seat, described movable part can rotate around rotating shaft 360 deg, first material returned cylinder to be fixed on described traversing plate and to be connected to a fixed with described cross sliding rail seat, can realize the movement in the horizontal direction of material returned manipulator by the action of the first material returned cylinder, second material returned cylinder is fixed on described material returned bracing frame top and is connected to a fixed with described traversing plate, can realize the movement in the vertical direction of material returned manipulator by the action of the second material returned cylinder.
2. a kind of automatic drilling beveler as claimed in claim 1, it is characterized in that, described feed mechanism comprises feeding mechanical hand, described feeding mechanical hand is connected with manipulator cylinder, rear end feed well is provided with below described feeding mechanical hand, front end feed well tilts to be connected with described rear end feed well, described front end feed well connects with described vibrating disk, feed well both sides, described front end are provided with the first charging cylinder and the second charging cylinder successively, 3rd charging cylinder to be positioned at below the feed well of described front end and to connect with described rear end feed well, 4th charging cylinder is installed below the feed well of described rear end.
3. a kind of automatic drilling beveler as claimed in claim 1, it is characterized in that, described organisation of working comprises processing base, described processing base is fixed with binder cylinder, described binder cylinder is provided with binder block, above described binder block, is provided with cutter shaft, below described binder block, be provided with alignment pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410599989.2A CN104440359B (en) | 2014-10-31 | 2014-10-31 | A kind of automatic drilling beveler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410599989.2A CN104440359B (en) | 2014-10-31 | 2014-10-31 | A kind of automatic drilling beveler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104440359A CN104440359A (en) | 2015-03-25 |
| CN104440359B true CN104440359B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410599989.2A Active CN104440359B (en) | 2014-10-31 | 2014-10-31 | A kind of automatic drilling beveler |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436281B (en) * | 2015-12-31 | 2018-01-02 | 太仓椿盟链传动有限公司 | Beveler |
| CN105965310A (en) * | 2016-05-31 | 2016-09-28 | 煜瀚传动元件（上海）有限公司 | Automatic machine tool for chamfering guide rail blocking plate |
| CN107803671A (en) * | 2017-09-25 | 2018-03-16 | 嘉善金亿精密铸件有限公司 | A kind of crosshead for beveler |
| CN109807397B (en) * | 2018-12-30 | 2024-09-27 | 无锡市兰翔胶业有限公司 | Inner chamfering machine for rubber roller |
| CN110900349B (en) * | 2019-12-25 | 2020-12-15 | 浙江希安冀汽车零部件有限公司 | Multifunctional double-end-face chamfering machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1595644A1 (en) * | 2004-05-10 | 2005-11-16 | Mei s.r.l. | Machine with variable inclination for chamfering and drilling prescription and sunglass lenses |
| CN203003484U (en) * | 2012-10-22 | 2013-06-19 | 霍天明 | Hinge pin full-automatic drilling and chamfering machine |
| CN203228006U (en) * | 2013-04-28 | 2013-10-09 | 东莞市立敏达电子科技有限公司 | Multi-station drilling, chamfering and tapping all-in-one machine |
| CN203751374U (en) * | 2014-04-04 | 2014-08-06 | 湖北佳恒科技有限公司 | Numerical-control hole-drilling chamfering machine |
-
2014
- 2014-10-31 CN CN201410599989.2A patent/CN104440359B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1595644A1 (en) * | 2004-05-10 | 2005-11-16 | Mei s.r.l. | Machine with variable inclination for chamfering and drilling prescription and sunglass lenses |
| CN203003484U (en) * | 2012-10-22 | 2013-06-19 | 霍天明 | Hinge pin full-automatic drilling and chamfering machine |
| CN203228006U (en) * | 2013-04-28 | 2013-10-09 | 东莞市立敏达电子科技有限公司 | Multi-station drilling, chamfering and tapping all-in-one machine |
| CN203751374U (en) * | 2014-04-04 | 2014-08-06 | 湖北佳恒科技有限公司 | Numerical-control hole-drilling chamfering machine |
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| CN104440359A (en) | 2015-03-25 |
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