CN106694945A - Door and window sectional bar perforating machine - Google Patents
Door and window sectional bar perforating machine Download PDFInfo
- Publication number
- CN106694945A CN106694945A CN201611124083.0A CN201611124083A CN106694945A CN 106694945 A CN106694945 A CN 106694945A CN 201611124083 A CN201611124083 A CN 201611124083A CN 106694945 A CN106694945 A CN 106694945A
- Authority
- CN
- China
- Prior art keywords
- slider
- actuated cylinder
- door
- controller
- sliding block
- 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
Links
- 241001465382 Physalis alkekengi Species 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002708 enhancing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
Abstract
The invention discloses a door and window sectional bar perforating machine. The door and window sectional bar perforating machine comprises a box body, a perforating mechanism, a positioning fixture and a controller. Four equilong stand columns which can be adjusted up and down are arranged on the upper end face of the box body. The positioning fixture is movably arranged on the upper end face of the box body and located in a space defined by the four stand columns. Two parallel linear sliding rails are arranged on the upper end faces of the four stand columns. First positioning sliding blocks matched with the linear sliding rails are arranged on the two linear sliding rails. The two first positioning sliding blocks are each provided with a first sliding block drive air cylinder. The perforating mechanism is fixedly connected to the two first positioning sliding blocks. The controller is arranged in the box body. An operation panel is arranged on the controller and is flush to one side face of the box body. The positioning fixture, the first sliding block drive air cylinders, the perforating mechanism and the operation panel are electrically connected with the controller. The door and window sectional bar perforating machine completes perforating for a door and window sectional bar by programming the positioning fixture, the first sliding block drive air cylinders and the perforating mechanism through the controller, the efficiency is high, labor is saved, and the product quality is high and stable.
Description
Technical field
The present invention relates to a kind of door and window manufacture field, particularly a kind of door-window section bar puncher.
Background technology
Door and window is the important component of building, and the punching of traditional building doors and windows is often by being accomplished manually, in door
In window drill process, the positioning of door and window, the size in hole, the depth in hole etc. need professional technique operating personnel to complete, and easily
Influenceed by human factor, occupied substantial amounts of manpower, into product inefficiency, and unstable product quality.
The content of the invention
A kind of deficiency of the purpose of the present invention for above-mentioned technology, there is provided door-window section bar puncher.
The purpose of the present invention realized by such technical scheme, it include casing, perforating mechanism, positioning fixture and
Four isometric columns that can be adjusted up and down are installed in controller, the upper surface of the casing, and the positioning fixture is slidably pacified
Surrounded in space mounted in the upper surface of casing and positioned at four root posts, two parallel straight lines are installed in the upper surface of four root posts
Slide rail, is respectively mounted first positioning sliding block being adapted with line slide rail on two line slide rails, two first positioning are slided
A first slider-actuated cylinder is respectively mounted on block, the perforating mechanism is fixed on two the first positioning sliding blocks, the control
Device processed is arranged in casing, and controller is provided with guidance panel, concordant a, locating clip of side holding of guidance panel and casing
Tool, two the first positioning sliding blocks, perforating mechanism and guidance panels are electrically connected with the controller respectively；
The perforating mechanism includes motor, drill-bit installing seat, drill bit and crossbeam；The crossbeam is fixed in two first positioning
On sliding block, the affixed montant for being provided with line slide rail in crossbeam upper surface installs what is be adapted with line slide rail on montant
Second positioning sliding block, installs the second slider-actuated cylinder on the second positioning sliding block, the motor is fixed on the second positioning sliding block,
The drill-bit installing seat is arranged on the lower surface of motor shaft, and the drill bit is electric by being threadably mounted at drill-bit installing seat lower surface
Machine and the second slider-actuated cylinder are electrically connected with the controller respectively.
The positioning fixture includes that two parallel line slide rails for being arranged on cabinet upper surface are adapted with line slide rail
The 3rd positioning sliding block, the 3rd slider-actuated cylinder and strap；3rd positioning sliding block is arranged on line slide rail, institute
The 3rd slider-actuated cylinder is stated on the 3rd positioning sliding block, two straps are fixed on the 3rd positioning sliding block vertically
Upper and two strap plate faces are oppositely arranged, and the receiving space for placing door-window section bar is formed between two straps,
Receiving space is located at the underface of drill bit, and the 3rd slider-actuated cylinder is electrically connected with the controller.
Further, the control panel is provided with operation button, display screen, power switch, motor start switch, first
Slider-actuated cylinder starting switch, the second slider-actuated cylinder starting switch and the 3rd slider-actuated cylinder starting switch, operation
Button, display screen, motor start switch, the first slider-actuated cylinder starting switch, the second slider-actuated cylinder starting switch and
3rd slider-actuated cylinder starting switch is electrically connected with power switch respectively, operation button, display screen, motor start switch, the
One slider-actuated cylinder starting switch, the second slider-actuated cylinder starting switch and the 3rd slider-actuated cylinder starting switch difference
It is electrically connected with the controller.
Further, the drill-bit installing seat includes connecting shaft and circular mounting plate；The connecting shaft is fixed in motor shaft
Lower surface, the circular mounting plate rotatably installed in connecting shaft lower end, the lower surface of the circular mounting plate is provided with
Multiple drill bit installation positions, the drill bit is connected through a screw thread on drill bit installation position.
Further, universal wheel is installed in the casing lower surface.
Further, the controller is Programmable Logic Controller.
Further, tri coloured lantern is installed in the casing upper surface, and tri coloured lantern is electrically connected with the controller.
By adopting the above-described technical solution, the present invention has the advantage that：
1. the door-window section bar puncher in the present invention, the position of drill bit can be adjusted with vertical direction in the horizontal direction
It is whole so that the faster convenience of use of puncher.
2. the door-window section bar puncher in the present invention, adjustment and the boring work of drill bit is controlled by controller so that drill bit
Position it is more accurate, the traveling of drill bit is more stable.
3. the door-window section bar puncher in the present invention, drill bit is connected through a screw thread on drill-bit installing seat, and is bored
There are multiple drill bit installation positions in head mounting seat, drill-bit installing seat is rotatably mounted on motor shaft, installed by rotary drilling-head
Seat is achieved that and punched with the drill bit of different model, so as to get the hole of different pore size as needed so that the puncher
Applicability is stronger.
4. the distance between the door-window section bar puncher in the present invention, two fixed plates of positioning fixture can be according to different shapeds
Number door-window section bar be adjusted, also enhance the applicability of puncher.
Other advantages of the invention, target and feature will be illustrated in the following description to a certain extent, and
And to a certain extent, based on being will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be wanted by following specification and right
Book is sought to realize and obtain.
Brief description of the drawings
Brief description of the drawings of the invention is as follows.
Fig. 1 is structural representation of the invention.
Fig. 2 is left view of the invention.
In figure：1. casing；2. column；3. line slide rail；4. the first positioning sliding block；5. the first slider-actuated cylinder；6. beat
Holes mechanism；61. crossbeams；62. montants；63. motors；64. motor shafts；65. circular mounting plates；66. drill bits；67. second positioning are slided
Block；68. second slider-actuated cylinders；69. connecting shafts；7. positioning fixture；71. straps；72. the 3rd positioning sliding blocks；73.
Three slider-actuated cylinders；8. tri coloured lantern；9. guidance panel；91. display screens；92. operation buttons；93. power switches；94. motors
Starting switch；95. first slider-actuated cylinder starting switches；96. second slider-actuated cylinder starting switches；97. the 3rd sliding blocks
Drive cylinder starting switch；10. universal wheel.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the invention discloses a kind of door-window section bar puncher, including casing 1, perforating mechanism, positioning
Four isometric columns 2 that can be adjusted up and down are installed in fixture and controller 9, the upper surface of the casing 1, four root posts 2 it is upper
End face installs two parallel line slide rails 3, and first be adapted with line slide rail is respectively mounted on two line slide rails 3
Positioning sliding block 4, is respectively mounted a first slider-actuated cylinder 5 on two the first positioning sliding blocks 4, the perforating mechanism is fixed in
On two the first positioning sliding blocks 4, the perforating mechanism includes motor 63, drill-bit installing seat, drill bit 66 and crossbeam 61, the drill bit
Mounting seat includes connecting shaft 69 and circular mounting plate 65, and the connecting shaft 69 is fixed in the lower surface of motor shaft 64, the circle
Rotatably installed in the lower end of connecting shaft 64, the lower surface of the circular mounting plate 65 is provided with multiple drill bits and installs installing plate 65
Position, only can just realize being drilled with the drill bit of different model by rotating circular installing plate 65, and the crossbeam 61 is fixed in
On two the first positioning sliding blocks 4, affixed one montant 62 for being provided with line slide rail on the side of the crossbeam 61 is installed on montant
The second positioning sliding block 67 being adapted with line slide rail, installs the second slider-actuated cylinder 68 on the second positioning sliding block 67, described
Motor 63 is fixed on the second positioning sliding block 67, and the drill bit 66 is connected through a screw thread on drill bit installation position, drill bit 66
It is connected through a screw thread and circular mounting plate 65 between, can conveniently realizes the replacing of the drill bit of different model so that beat
Hole machine has more applicability, and the positioning fixture is arranged on the upper surface of casing 1 and is surrounded in space positioned at four root posts 2,
The positioning fixture includes that two parallel line slide rails (not shown) for being arranged on cabinet upper surface are adapted with line slide rail
The 3rd positioning sliding block 72, the 3rd slider-actuated cylinder 73 and strap 71, the 3rd positioning sliding block 73 is arranged on straight line
On slide rail, the 3rd slider-actuated cylinder 72 is arranged on the 3rd positioning sliding block 73, and two straps 71 are solid vertically
It is scheduled on the 3rd positioning sliding block 73 and the plate face of two straps 71 is oppositely arranged, is formed between two straps 71
The receiving space of door-window section bar is placed, receiving space is located at the underface of drill bit 66, and the controller is arranged in casing 1, control
Device processed is provided with guidance panel 9, and guidance panel 9 is concordant with a side holding of casing 1, and the control panel 9 is provided with behaviour
Make button 92, display screen 91, power switch 93, motor start switch 94, the first slider-actuated cylinder starting switch 95, second to slide
Block drive cylinder starting switch 96 and the 3rd slider-actuated cylinder starting switch 97, operation button 92, display screen 91, electric motor starting
The 94, first slider-actuated cylinder starting switch 95 of switch, the second slider-actuated cylinder starting switch 96 and the 3rd slider-actuated gas
Cylinder starting switch 97 is electrically connected with power switch 93 respectively, and operation button 92, display screen 91, motor start switch 94, first are slided
Block drive cylinder starting switch 95, the second slider-actuated cylinder starting switch 96 and the 3rd 97 points of slider-actuated cylinder starting switch
It is not electrically connected with the controller, the first slider-actuated cylinder 5, the second slider-actuated cylinder 68 and the 3rd slider-actuated cylinder 73 are distinguished
It is electrically connected with the controller.
The controller is Programmable Logic Controller, can be to the first slider-actuated cylinder 5, the and of the second slider-actuated cylinder 68
The motion path of the 3rd slider-actuated cylinder 68 is programmed, and then can accurately adjust the position of drill bit 66.
Tri coloured lantern 8 is installed in the upper surface of the casing 1, and tri coloured lantern 8 is electrically connected with the controller, and tri coloured lantern shows the work of puncher
Make state, when the operation outside program occurs in puncher or when drill bit the phenomenons such as fracture occurs, tri coloured lantern 8 sends alarm signal,
Notify staff's on-call maintenance, it is to avoid unnecessary loss.
Universal wheel 10 is installed in the lower surface of the casing 1, facilitates the movement of puncher.
During work, door-window section bar is placed on positioning fixture, by operate 92 pairs of the first slider-actuated cylinders 5 of button,
The motion path of the second slider-actuated cylinder 68 and the 3rd slider-actuated cylinder 73 is set, and the result of setting may be displayed on
On display screen 91, the 3rd slider-actuated cylinder starting switch 97, the first slider-actuated cylinder starting switch 95 and are pressed successively
Two slider-actuated cylinder starting switches 96, the first slider-actuated cylinder 5 and the second slider-actuated cylinder 68 start according to setting
Program is moved, and what door-window section bar was refined first is positioned in positioning fixture, press motor start switch 94 start according to
Program is punched, after punching terminates, the first slider-actuated cylinder 5, the second slider-actuated cylinder 68 and the 3rd slider-actuated cylinder 73
Setting position is moved to according to program, door-window section bar is taken out, start next punching circulation.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of the technical program, it all should cover in the present invention
Right in the middle of.
Claims (7)
1. a kind of door-window section bar puncher, it is characterised in that：Including casing, perforating mechanism, positioning fixture and controller, the case
Four isometric columns that can be adjusted up and down are installed in the upper surface of body, and the positioning fixture is slidably mounted on the upper end of casing
Face is simultaneously surrounded in space positioned at four root posts, and two parallel line slide rails, two straight lines are installed in the upper surface of four root posts
First positioning sliding block being adapted with line slide rail is respectively mounted on slide rail, one is respectively mounted on two the first positioning sliding blocks
Individual first slider-actuated cylinder, the perforating mechanism is fixed on two the first positioning sliding blocks, and the controller is arranged on casing
Interior, controller is provided with guidance panel, and guidance panel is concordant with a side holding of casing, positioning fixture, two first determine
Position sliding block, perforating mechanism and guidance panel are electrically connected with the controller respectively；
The perforating mechanism includes motor, drill-bit installing seat, drill bit and crossbeam；The crossbeam is fixed in two the first positioning sliding blocks
On, the affixed montant for being provided with line slide rail in crossbeam upper surface, installation is adapted with line slide rail on montant second
Positioning sliding block, installs the second slider-actuated cylinder on the second positioning sliding block, the motor is fixed on the second positioning sliding block, described
Drill-bit installing seat is arranged on the lower surface of motor shaft, the drill bit by being threadably mounted at drill-bit installing seat lower surface, motor and
Second slider-actuated cylinder is electrically connected with the controller respectively.
2. door-window section bar puncher according to claim 1, it is characterised in that：The positioning fixture includes being arranged on cabinet
The 3rd positioning sliding block that two articles of parallel line slide rails of upper surface are adapted with line slide rail, the 3rd slider-actuated cylinder and
Strap；3rd positioning sliding block is arranged on line slide rail, and the 3rd slider-actuated cylinder is arranged on the 3rd positioning
On sliding block, two straps are fixed on the 3rd positioning sliding block vertically and two strap plate faces set relatively
Put, the receiving space for placing door-window section bar is formed between two straps, receiving space is located at the underface of drill bit, and the 3rd slides
Block drive cylinder is electrically connected with the controller.
3. door-window section bar puncher according to claim 1, it is characterised in that：The control panel be provided with operation by
Key, display screen, power switch, motor start switch, the first slider-actuated cylinder starting switch, the second slider-actuated cylinder start
Switch and the 3rd slider-actuated cylinder starting switch, operation button, display screen, motor start switch, the first slider-actuated cylinder
Starting switch, the second slider-actuated cylinder starting switch and the 3rd slider-actuated cylinder starting switch are electrically connected with power switch respectively
Connect, operation button, display screen, motor start switch, the first slider-actuated cylinder starting switch, the second slider-actuated cylinder start
Switch and the 3rd slider-actuated cylinder starting switch are electrically connected with the controller respectively.
4. door-window section bar puncher according to claim 1, it is characterised in that：The drill-bit installing seat include connecting shaft and
Circular mounting plate；The connecting shaft is fixed in the lower surface of motor shaft, and the circular mounting plate is rotatably arranged on connecting shaft
Lower end, the lower surface of the circular mounting plate is provided with multiple drill bit installation positions, and the drill bit is connected through a screw thread installed in boring
On head installation position.
5. door-window section bar puncher according to claim 1, it is characterised in that：The casing lower surface is installed by universal wheel.
6. door-window section bar puncher according to claim 1, it is characterised in that：The controller is Programmable Logic Controller.
7. door-window section bar puncher according to claim 1, it is characterised in that：Tri coloured lantern is installed in the casing upper surface,
Tri coloured lantern is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611124083.0A CN106694945A (en) | 2016-12-08 | 2016-12-08 | Door and window sectional bar perforating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611124083.0A CN106694945A (en) | 2016-12-08 | 2016-12-08 | Door and window sectional bar perforating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106694945A true CN106694945A (en) | 2017-05-24 |
Family
ID=58937648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611124083.0A Pending CN106694945A (en) | 2016-12-08 | 2016-12-08 | Door and window sectional bar perforating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106694945A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296518A (en) * | 2018-03-20 | 2018-07-20 | 瑞安市日兴精密机械有限公司 | Carburetor throttle axis machining apparatus |
| CN108405897A (en) * | 2018-03-08 | 2018-08-17 | 邵阳学院 | A kind of drilling equipment that being conveniently replaceable drill bit and can accurately punch |
| CN112517969A (en) * | 2020-11-30 | 2021-03-19 | 湖南潇安安全科技有限公司 | Window frame connecting piece perforating device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2901005A1 (en) * | 1979-01-12 | 1980-07-17 | Peddinghaus Rolf | DRILLING SYSTEM FOR PROFILE STEELS |
| CN201794523U (en) * | 2010-09-21 | 2011-04-13 | 重庆探矿机械厂 | Gantry supporting structure for drilling machine |
| CN104526442A (en) * | 2014-12-22 | 2015-04-22 | 苏州恒远精密数控设备有限公司 | Automatic panel taking, transferring and machining numerical control equipment |
| CN205128975U (en) * | 2015-10-24 | 2016-04-06 | 重庆侨立管道制造有限公司 | Fixed position rotation is bloated, and vertical numerically -controlled machine tool is made up in compact form drilling |
| CN205254155U (en) * | 2015-11-10 | 2016-05-25 | 重庆水木门窗有限责任公司 | Door and window drilling equipment |
| CN205309382U (en) * | 2015-12-18 | 2016-06-15 | 新昌县现代塑钢门窗制造有限公司 | Many specifications of diplopore formula automatic switch -over door and window section bar drilling equipment |
| CN205309381U (en) * | 2015-12-18 | 2016-06-15 | 新昌县现代塑钢门窗制造有限公司 | Many specifications automatic switch -over door and window section bar perforating device |
| CN105880749A (en) * | 2014-09-19 | 2016-08-24 | 重庆市群利汽车零部件有限责任公司 | A drilling machine for the formation of automobile balance shaft threaded holes |
| CN205704467U (en) * | 2016-06-01 | 2016-11-23 | 重庆华品电子科技有限公司 | A kind of novel keyboard base plate drilling machine |
-
2016
- 2016-12-08 CN CN201611124083.0A patent/CN106694945A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2901005A1 (en) * | 1979-01-12 | 1980-07-17 | Peddinghaus Rolf | DRILLING SYSTEM FOR PROFILE STEELS |
| CN201794523U (en) * | 2010-09-21 | 2011-04-13 | 重庆探矿机械厂 | Gantry supporting structure for drilling machine |
| CN105880749A (en) * | 2014-09-19 | 2016-08-24 | 重庆市群利汽车零部件有限责任公司 | A drilling machine for the formation of automobile balance shaft threaded holes |
| CN104526442A (en) * | 2014-12-22 | 2015-04-22 | 苏州恒远精密数控设备有限公司 | Automatic panel taking, transferring and machining numerical control equipment |
| CN205128975U (en) * | 2015-10-24 | 2016-04-06 | 重庆侨立管道制造有限公司 | Fixed position rotation is bloated, and vertical numerically -controlled machine tool is made up in compact form drilling |
| CN205254155U (en) * | 2015-11-10 | 2016-05-25 | 重庆水木门窗有限责任公司 | Door and window drilling equipment |
| CN205309382U (en) * | 2015-12-18 | 2016-06-15 | 新昌县现代塑钢门窗制造有限公司 | Many specifications of diplopore formula automatic switch -over door and window section bar drilling equipment |
| CN205309381U (en) * | 2015-12-18 | 2016-06-15 | 新昌县现代塑钢门窗制造有限公司 | Many specifications automatic switch -over door and window section bar perforating device |
| CN205704467U (en) * | 2016-06-01 | 2016-11-23 | 重庆华品电子科技有限公司 | A kind of novel keyboard base plate drilling machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405897A (en) * | 2018-03-08 | 2018-08-17 | 邵阳学院 | A kind of drilling equipment that being conveniently replaceable drill bit and can accurately punch |
| CN108405897B (en) * | 2018-03-08 | 2019-11-01 | 邵阳学院 | A kind of drilling equipment that being conveniently replaceable drill bit and can accurately punch |
| CN108296518A (en) * | 2018-03-20 | 2018-07-20 | 瑞安市日兴精密机械有限公司 | Carburetor throttle axis machining apparatus |
| CN112517969A (en) * | 2020-11-30 | 2021-03-19 | 湖南潇安安全科技有限公司 | Window frame connecting piece perforating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
|
| RJ01 | Rejection of invention patent application after publication |