CN109128248A - Beam drill is used in a kind of processing of air cooler air flue - Google Patents
Beam drill is used in a kind of processing of air cooler air flue Download PDFInfo
- Publication number
- CN109128248A CN109128248A CN201811062029.7A CN201811062029A CN109128248A CN 109128248 A CN109128248 A CN 109128248A CN 201811062029 A CN201811062029 A CN 201811062029A CN 109128248 A CN109128248 A CN 109128248A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- rig floor
- rocker arm
- air cooler
- air flue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B23B39/12—Radial drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of air cooler air flue processing beam drills, including firm banking, left side at the top of firm banking is fixedly connected with fixed pylon, fixed column is fixedly connected at the top of fixed pylon, and the surface of fixed column slidably connects rocker arm turning set, rocker arm turning set is fixedly connected with rocker arm on the right side of outer surface, the surface of rocker arm slidably connects electronic rig floor, rotary electric machine is fixedly connected at the top of electronic rig floor, the front of electronic rig floor is fixedly connected with digital display screen, the front of electronic rig floor and be located at digital display screen immediately below be rotatably connected to adjusting turntable, the front of electronic rig floor and be located at adjust turntable on the left of be fixedly connected with control button, it is related to radial drilling machine technical field.Air cooler air flue processing beam drill, solves air cooler air flue processing beam drill when processing the workpiece, clamps inefficiency, be not able to satisfy production requirement, use problem inconvenient when hold assembly.
Description
Technical field
The present invention relates to radial drilling machine technical field, beam drill is used in specially a kind of air cooler air flue processing.
Background technique
Radial drilling machine is that a kind of rocker arm can make the brill moved horizontally around column revolving and lifting, usual spindle box on rocker arm
Bed.When processing hole on upright drill, cutter and workpiece are to be realized in by the movement of workpiece, then to some big and
The workpiece of weight is clearly very inconvenient, and radial drilling machine can be with the position of mobile cutter shaft come centering, this just gives in single-piece
And in small serial production, processing is big and the hole on heavy industry part brings very big convenience.It is referred to as radial drill.It is a kind of hole
Process equipment can be used to drill, reaming, fraising, tapping and the processing for repairing the diversified forms such as scraping end surface.By lathe clamping structure
Classification, radial drill can be divided into hydraulic radial drilling machine and mechanical radial drilling machine.In all kinds of drilling machines, radial drilling machine is easy to operate,
Flexibly, applied widely, there is typicalness, the hole machined of porous heavy parts is had especially suitable for single-piece or batch production,
It is the common lathe in general machining workshop.Radial drilling machine is widely used in single-piece and middle small serial production, processing volume and
The hole of the biggish workpiece of weight.The radial drilling machine range of work is wide, can be used to various screw holes, the thread Pilot hole of drilling large-scale workpiece
With oilhole etc..Radial drilling machine is used to process medium and small type hole on heavy workpiece or porous workpiece, mainly by pedestal, column, rocker arm,
The composition such as spindle box, main shaft work stage, the main variant of radial drilling machine have slide-like and two kinds of universal type.Slide block radial drilling machine
It is that the pedestal of fundamental mode radial drilling machine is changed to slide to form, slide can be moved along bed ways, to expand the range of work, be suitable for
Boiler, bridge, rolling stock and shipbuilding, machining, etc. industries.The rocker arm of universal radial drilling machine, which removes, can make vertical and revolution fortune
It is dynamic outer, and can move horizontally, spindle box can make tilt adjustments on rocker arm, to adapt to the processing at each position of workpiece.In addition, also
There are vehicle type, wall type and digital control radial drilling machine etc..
With beam drill when carrying out processing air cooler air flue, most of is to process for existing air cooler air flue processing
An air cooler pipe out, but when carrying out pipeline drilling again, each workpiece to be processed is processed after requiring improper clamping,
Being clamped and being disassembled one by one is needed, processing efficiency is low, and inconvenient for operation.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of air cooler air flue processing beam drill, solves
The processing of air cooler air flue, when being carried out workpieces processing, is clamped inefficiency, is not able to satisfy production requirement with beam drill, is used
Inconvenient problem when hold assembly.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of processing of air cooler air flue is with shaking
Arm-type drilling machine, including firm banking, the left side at the top of the firm banking are fixedly connected with fixed pylon, the fixed pylon
Top is fixedly connected with fixed column, and the surface of fixed column slidably connects rocker arm turning set, rocker arm turning set outer surface
Right side be fixedly connected with rocker arm, the surface of the rocker arm slidably connects electronic rig floor, and the top of the electronic rig floor is fixed
It is connected with rotary electric machine, the front of the electronic rig floor is fixedly connected with digital display screen, the front and position of the electronic rig floor
Adjusting turntable, the front of the electronic rig floor and the left side for being located at adjusting turntable are rotatably connected to immediately below digital display screen
It is fixedly connected with control button, the lower rotation of the electronic rig floor is connected with drill bit, the front and back of the rocker arm and position
Sliding slot is offered in the inside of electronic rig floor, the top of the rocker arm and is fixedly connected with lifting spiral shell close to the side of fixed column
Line set, the inner surface of elevating screw thread set are threaded with elevating screw, the top of the firm banking and are located at electric drill
The bottom of platform is fixedly connected with grip slipper.
Preferably, the top of the fixed column is rotatably connected to lifting supporting table, the lifting supporting table by turning set
Top be fixedly connected with damping block, lifting motor, the top of the elevating screw are fixedly connected at the top of the damping block
Through lifting supporting table right side and extend to lifting supporting table top.
Preferably, radiator, the outer surface of the lifting motor output shaft are fixedly connected on the left of the lifting motor
It is fixedly connected with first bevel gear, the top of the elevating screw is fixedly connected with second bevel gear, and the table of second bevel gear
Face and first bevel gear are intermeshed.
Preferably, multiple longitudinal chutes are offered at the top of the grip slipper, the inside of multiple longitudinal chutes is sliding
It is dynamic to be connected with sliding block.
Preferably, the top of the sliding block and front and back being located at the top of grip slipper is fixedly connected to clamping plate, two
A clamping plate side close to each other is fixedly connected to retaining sleeve, and the front of the grip slipper is rotatably connected to clamping rotation
Disk.
Preferably, it is connected with woollen to be processed between two retaining sleeves, the bottom of the grip slipper and is located at
The bottom of processing woollen is fixedly connected with woollen retainer plate.
Preferably, the bottom of two clamping plates is fixedly connected with pushing plate, and the bottom of two pushing plates is fixed
It is connected with clamping thread bush, two internal screw thread lines for clamping thread bush are opposite.
Preferably, two inner surfaces for clamping thread bush, which are threadedly coupled, clamps the folder that thread bush matches with two
Tight screw rod, described one end for clamping screw rod are fixedly connected through grip slipper with the side for clamping rotating disc.
(3) beneficial effect
The present invention provides a kind of air cooler air flue processing beam drills.Have compared with prior art following beneficial
Effect:
(1), air cooler air flue processing beam drill, by the top of firm banking and positioned at electronic rig floor
Bottom is fixedly connected with grip slipper, and multiple longitudinal chutes are offered at the top of grip slipper, and the inside of multiple longitudinal chutes is slided
It is connected with sliding block, the top of the sliding block and front and back being located at the top of grip slipper is fixedly connected to clamping plate, two clamping plate phases
Mutually close side is fixedly connected to retaining sleeve, and the front of grip slipper is rotatably connected to clamping rotating disc, solves air cooler
Air flue processing when processing the workpiece, is clamped inefficiency, production requirement is not able to satisfy, when using hold assembly with beam drill
Inconvenient problem.
(2), air cooler air flue processing beam drill, it is to be processed by being connected between two retaining sleeves
Woollen, the bottom of grip slipper and the bottom for being located at woollen to be processed are fixedly connected with woollen retainer plate, and the bottom of two clamping plates is solid
Surely it is connected with pushing plate, the bottom of two pushing plates is fixedly connected to clamping thread bush, the internal screw thread of two clamping thread bush
Lines on the contrary, by using clamp rotating disc disposably multiple woollens to be processed can be clamped, then added one by one
Work substantially increases processing efficiency.
(3), air cooler air flue processing beam drill, passes through the top in rocker arm and the side close to fixed column
It is fixedly connected with elevating screw thread set, the inner surface of elevating screw thread set is threaded with elevating screw, and the left side of lifting motor is fixed
It is connected with radiator, the outer surface of lifting motor output shaft is fixedly connected with first bevel gear, and the top of elevating screw is fixed to be connected
It is connected to second bevel gear, and the surface of second bevel gear and first bevel gear are intermeshed, so that the rotation of lifting motor drives
The rotation of elevating screw, raises rocker arm rapidly, drives rocker arm more flexible, and convenient for operation, more convenient
(4), air cooler air flue processing beam drill, by the front of electronic rig floor and positioned at digital display screen
Underface be rotatably connected to adjusting turntable, the front of electronic rig floor and being located at adjust be fixedly connected on the left of turntable control by
Button, the lower rotation of electronic rig floor are connected with drill bit, the front and back of the rocker arm and inside for being located at electronic rig floor offers cunning
Slot, the top of rocker arm and is fixedly connected with elevating screw thread set close to the side of fixed column, the inner surface screw thread of elevating screw thread set
It is connected with elevating screw, can control the horizontal position of electronic rig floor by control button, can be existed with the electronic rig floor of flexible modulation
Position on rocker arm so that electronic rig floor is more accurate to the processing of blank material, by electronic mode it is mobile more steady and
Quickly.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structure right view of grip slipper of the present invention；
Fig. 3 is the schematic diagram of internal structure of grip slipper of the present invention；
Fig. 4 is structure partial enlarged drawing at A in Fig. 1 of the present invention；
Fig. 5 is structure partial enlarged drawing at B in Fig. 3 of the present invention.
In figure, 1- firm banking, 2- fixed pylon, 3- fixed column, 4- rocker arm turning set, 5- rocker arm, the electronic rig floor of 6-, 7-
Rotary electric machine, 8- digital display screen, 9- adjust turntable, 10- control button, 11- drill bit, 12- sliding slot, 13- elevating screw thread set,
14- elevating screw, 15- turning set, 16- lifting supporting table, 17- damping block, 18- lifting motor, 19- radiator, 20- first are bored
Gear, 21- second bevel gear, 22- grip slipper, 23- longitudinal chute, 24- sliding block, 25- clamping plate, 26- retaining sleeve, 27-, which are clamped, to be turned
Moving plate, 28- woollen to be processed, 29- woollen retainer plate, 30- pushing plate, 31- clamp thread bush, 32- clamps screw rod.
Specific embodiment
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, the embodiment of the present invention provides a kind of technical solution: swinging arm type drilling is used in a kind of processing of air cooler air flue
Bed, including firm banking 1, the left side at 1 top of firm banking are fixedly connected with fixed pylon 2, and the top of fixed pylon 2 is fixed to be connected
It is connected to fixed column 3, and the surface of fixed column 3 slidably connects rocker arm turning set 4, the right side of 4 outer surface of rocker arm turning set is fixed
It is connected with Rocker arm 5, the surface of Rocker arm 5 slidably connects electronic rig floor 6, and the top of electronic rig floor 6 is fixedly connected with rotary electric machine
7, the front of electronic rig floor 6 is fixedly connected with digital display screen 8, the front of electronic rig floor 6 and be located at digital display screen 8 just under
Side be rotatably connected to adjust turntable 9, the front of electronic rig floor 6 and be located at adjust turntable 9 left side be fixedly connected with control button
10, the lower rotation of electronic rig floor 6 is connected with drill bit 11, the front and back of the Rocker arm 5 and inside for being located at electronic rig floor 6 opens up
There is a sliding slot 12, the top of Rocker arm 5 and is fixedly connected with elevating screw thread set 13, elevating screw thread set 13 close to the side of fixed column 3
Inner surface be threaded with elevating screw 14, can control the horizontal position of electronic rig floor 6, Ke Yiling by control button 10
The position living that electronic rig floor 6 is adjusted on rocker arm, so that electronic rig floor 6 is more accurate to the processing of blank material, by electronic
Mode is mobile more steady and quickly, the top of the firm banking 1 and bottom for being located at electronic rig floor 6 is fixedly connected with grip slipper
22, disposably multiple woollens 28 to be processed can be clamped by using rotating disc 27 is clamped, then processed one by one,
Processing efficiency is substantially increased, the top of fixed column 3 is rotatably connected to lifting supporting table 16 by turning set 15, goes up and down supporting table
16 top is fixedly connected with damping block 17, and the top of damping block 17 is fixedly connected with lifting motor 18, the top of elevating screw 14
End runs through the right side of lifting supporting table 16 and extends to the top of lifting supporting table 16, and the left side of lifting motor 18 is fixedly connected with
Radiator 19, the outer surface of 18 output shaft of lifting motor are fixedly connected with first bevel gear 20, and the top of elevating screw 14 is fixed
It is connected with second bevel gear 21, and the surface of second bevel gear 21 and first bevel gear 20 are intermeshed, so that lifting motor 18
Rotation drive elevating screw 14 rotation, Rocker arm 5 is raised rapidly, drive Rocker arm 5 it is more flexible, and convenient for behaviour
Make, more convenient, the top of grip slipper 22 offers multiple longitudinal chutes 23, and the inside of multiple longitudinal chutes 23 is slidably connected
There is sliding block 24, the top of sliding block 24 and the front and back being located at the top of grip slipper 22 are fixedly connected to clamping plate 25, two folders
The side close to each other of plate 25 is fixedly connected to retaining sleeve 26, and the front of grip slipper 22, which is rotatably connected to, clamps rotating disc 27,
It solves air cooler air flue processing beam drill when processing the workpiece, clamps inefficiency, be not able to satisfy production requirement, make
With problem inconvenient when hold assembly, woollen 28 to be processed, the bottom of grip slipper 22 are connected between two retaining sleeves 26
Portion and be located at woollen 28 to be processed bottom be fixedly connected with woollen retainer plate 29, the bottom of two clamping plates 25, which is fixedly connected with, to push away
Movable plate 30, the bottom of two pushing plates 30, which is fixedly connected to, clamps thread bush 31, the internal screw thread line of two clamping thread bush 31
Road is on the contrary, the inner surface of two clamping thread bush 31 is threadedly coupled and clamps the clamping screw rod that thread bush 31 matches with two
32, the one end for clamping screw rod 32 is fixedly connected through grip slipper 22 with the side for clamping rotating disc 27.
In use, rotary electric machine 7 and lifting motor 18 are electrically connected with external power supply, pass through the control on electronic rig floor 6
Button 10 controls the rotation of two motors, then woollen 28 to be processed is placed into the inside of woollen retainer plate 29, then will be to be added
Two retaining sleeves 26 at 28 top of work woollen are clamped to the top of woollen 28 to be processed, clamp rotating disc 27 by rotation and drive folder
The rotation of tight screw rod 32 drives pushing plate 30 mobile, so that retaining sleeve 26 carries out woollen 28 to be processed so that clamping screw rod 32
It clamps, then the alignment predeterminated position of drill bit 11 drills, when needing mobile electric rig floor 6, needs to pass through control button
The rotation of the 10 electronic rig floors 6 of control, is then further continued for processing.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of processing of air cooler air flue beam drill, including firm banking (1), it is characterised in that: the firm banking
(1) left side at the top of is fixedly connected with fixed pylon (2), is fixedly connected with fixed column (3) at the top of the fixed pylon (2),
And the surface of fixed column (3) slidably connects rocker arm turning set (4), the right side of rocker arm turning set (4) outer surface is fixed to be connected
It is connected to rocker arm (5), the surface of the rocker arm (5) slidably connects electronic rig floor (6), and the top of the electronic rig floor (6) is fixed
It is connected with rotary electric machine (7), the front of the electronic rig floor (6) is fixedly connected with digital display screen (8), the electronic rig floor
(6) front and it is located to be rotatably connected to immediately below digital display screen (8) and adjusts turntable (9), the electronic rig floor (6) is just
Face and it is located to adjust and is fixedly connected with control button (10) on the left of turntable (9), the connection of the lower rotation of the electronic rig floor (6)
Have drill bit (11), the front and back of the rocker arm (5) and be located at electronic rig floor (6) inside offer sliding slot (12), it is described
It the top of rocker arm (5) and is fixedly connected with elevating screw thread set (13) close to the side of fixed column (3), the elevating screw thread set
(13) inner surface is threaded with elevating screw (14), the top of the firm banking (1) and the bottom for being located at electronic rig floor (6)
Portion is fixedly connected with grip slipper (22).
2. a kind of air cooler air flue processing beam drill according to claim 1, it is characterised in that: the fixed column
(3) top is rotatably connected to lifting supporting table (16) by turning set (15), and the top of lifting supporting table (16) is fixed
It is connected with damping block (17), is fixedly connected with lifting motor (18) at the top of the damping block (17), the elevating screw (14)
Top through lifting supporting table (16) right side and extend to lifting supporting table (16) top.
3. a kind of air cooler air flue processing beam drill according to claim 2, it is characterised in that: the lifting electricity
It is fixedly connected on the left of machine (18) radiator (19), the outer surface of lifting motor (18) output shaft is fixedly connected with first
The top of bevel gear (20), the elevating screw (14) is fixedly connected with second bevel gear (21), and second bevel gear (21)
Surface and first bevel gear (20) are intermeshed.
4. a kind of air cooler air flue processing beam drill according to claim 1, it is characterised in that: the grip slipper
(22) it is offered at the top of multiple longitudinal chutes (23), the inside of multiple longitudinal chutes (23) slidably connects sliding block
(24)。
5. a kind of air cooler air flue processing beam drill according to claim 4, it is characterised in that: the sliding block
(24) the top and front and back being located at the top of grip slipper (22) is fixedly connected to clamping plate (25), two clamping plates
(25) side close to each other is fixedly connected to retaining sleeve (26), and the front of the grip slipper (22) is rotatably connected to clamping and turns
Moving plate (27).
6. a kind of air cooler air flue processing beam drill according to claim 5, it is characterised in that: two folders
Hold and be connected with woollen to be processed (28) between set (26), the bottom of the grip slipper (22) and be located at woollen to be processed (28)
Bottom be fixedly connected with woollen retainer plate (29).
7. a kind of air cooler air flue processing beam drill according to claim 5, it is characterised in that: two folders
The bottom of plate (25) is fixedly connected with pushing plate (30), and the bottom of two pushing plates (30) is fixedly connected to clamping screw thread
It covers (31), two internal screw thread lines for clamping thread bush (31) are opposite.
8. a kind of air cooler air flue processing beam drill according to claim 7, it is characterised in that: two folders
The inner surface of tight thread bush (31), which is threadedly coupled, clamps the clamping screw rod (32) that thread bush (31) match, the folder with two
One end of tight screw rod (32) is fixedly connected through grip slipper (22) with the side for clamping rotating disc (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062029.7A CN109128248A (en) | 2018-09-12 | 2018-09-12 | Beam drill is used in a kind of processing of air cooler air flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062029.7A CN109128248A (en) | 2018-09-12 | 2018-09-12 | Beam drill is used in a kind of processing of air cooler air flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109128248A true CN109128248A (en) | 2019-01-04 |
Family
ID=64824955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811062029.7A Pending CN109128248A (en) | 2018-09-12 | 2018-09-12 | Beam drill is used in a kind of processing of air cooler air flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109128248A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333807A (en) * | 2021-06-24 | 2021-09-03 | 合肥海天电子科技有限公司 | Angle type drilling machine capable of continuously turning at right angle and using method thereof |
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|---|---|---|---|---|
| SU774818A2 (en) * | 1979-02-02 | 1980-10-30 | Bromberg Boris M | Radial drilling machine sleeve |
| CN2193224Y (en) * | 1993-04-17 | 1995-03-29 | 连昌奇 | Multifunctional tool pliers |
| CN201609835U (en) * | 2010-02-01 | 2010-10-20 | 西仪集团有限责任公司 | Universal multi-station and self-centering tool in machining equipment |
| CN103624294A (en) * | 2013-11-30 | 2014-03-12 | 沈阳金山机床有限公司 | Radial drilling machine |
| CN105965290A (en) * | 2016-06-22 | 2016-09-28 | 成都伊普视科技有限公司 | Double-layer and multi-station clamp |
| CN206967291U (en) * | 2017-07-17 | 2018-02-06 | 常山亚瑞轴承有限公司 | A kind of bearing ring processing positioner |
| CN207139338U (en) * | 2017-08-25 | 2018-03-27 | 广东合泓光电科技有限公司 | A kind of numerical control mill disk work piece holder for being used to process photoelectricity workpiece |
-
2018
- 2018-09-12 CN CN201811062029.7A patent/CN109128248A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU774818A2 (en) * | 1979-02-02 | 1980-10-30 | Bromberg Boris M | Radial drilling machine sleeve |
| CN2193224Y (en) * | 1993-04-17 | 1995-03-29 | 连昌奇 | Multifunctional tool pliers |
| CN201609835U (en) * | 2010-02-01 | 2010-10-20 | 西仪集团有限责任公司 | Universal multi-station and self-centering tool in machining equipment |
| CN103624294A (en) * | 2013-11-30 | 2014-03-12 | 沈阳金山机床有限公司 | Radial drilling machine |
| CN105965290A (en) * | 2016-06-22 | 2016-09-28 | 成都伊普视科技有限公司 | Double-layer and multi-station clamp |
| CN206967291U (en) * | 2017-07-17 | 2018-02-06 | 常山亚瑞轴承有限公司 | A kind of bearing ring processing positioner |
| CN207139338U (en) * | 2017-08-25 | 2018-03-27 | 广东合泓光电科技有限公司 | A kind of numerical control mill disk work piece holder for being used to process photoelectricity workpiece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333807A (en) * | 2021-06-24 | 2021-09-03 | 合肥海天电子科技有限公司 | Angle type drilling machine capable of continuously turning at right angle and using method thereof |
| CN113333807B (en) * | 2021-06-24 | 2023-08-29 | 合肥海天电子科技有限公司 | Angle drilling machine capable of continuously turning right angles and application method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |
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| RJ01 | Rejection of invention patent application after publication |