CN108031895A - A kind of new arc drilling device - Google Patents
A kind of new arc drilling device Download PDFInfo
- Publication number
- CN108031895A CN108031895A CN201711363560.3A CN201711363560A CN108031895A CN 108031895 A CN108031895 A CN 108031895A CN 201711363560 A CN201711363560 A CN 201711363560A CN 108031895 A CN108031895 A CN 108031895A
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- China
- Prior art keywords
- face
- electric machine
- rotary electric
- support cylinder
- steel sheet
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of new arc drilling device, including lifting support cylinder and the supporting frame and drilling body that are movably arranged on the lifting support cylinder, the first rotary electric machine is installed with the support cylinder top end surface, the output shaft of first rotary electric machine is stretched out outside the lifting support cylinder end face, and end face is installed with fixed transverse rod at left and right sides of the output shaft, fixed montant is symmetrically installed with left and right sides of the fixed transverse rod, the fixed montant is fixedly connected with the lower face of the fixed transverse rod and the upper surface of support frame as described above body respectively, on the downside of support frame as described above body on the left of the lifting support cylinder dovetail groove is provided with end face, the dovetail groove inner roof wall is provided with the extended slide in left and right；The present invention can get workpiece in the hole of arc distribution and different radians, and radian is easy to adjust, and the strong trepanning velocity of Puncture force is quick.
Description
Technical field
The present invention relates to drilling machine field, is specifically a kind of new arc drilling device.
Background technology
Workpiece, which generally requires, sets several hole slots, since the demand of workpiece differs, the position of several hole slots on workpiece
Distribution also differs, and has lineal layout, cross-distribution or arc distribution etc., at present, the hole slot to getting arc distribution on workpiece
Its complex structural designs of equipment and, increase manual operation difficulty, and complex for operation step, be unfavorable for quickly getting workpiece
The hole slot of arc.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of new arc drilling device, it can solve above-mentioned existing
In the art the problem of.
The present invention is achieved through the following technical solutions：A kind of new arc drilling device of the present invention, including
Lifting support cylinder and the supporting frame and drilling body being movably arranged on the lifting support cylinder, the support cylinder
The first rotary electric machine is installed with top end surface, the output shaft of first rotary electric machine stretches out the lifting support cylinder
Outside end face, and end face is installed with fixed transverse rod at left and right sides of the output shaft, symmetrically pacifies at left and right sides of the fixed transverse rod
Equipped with fixed montant, the fixed montant is consolidated with the lower face of the fixed transverse rod and the upper surface of support frame as described above body respectively
Fixed connection, is provided with dovetail groove on the downside of the support frame as described above body on the left of the lifting support cylinder in end face, in the dovetail groove
Roof is provided with the extended slide in left and right, is slidably installed in the dovetail groove and is fixedly connected with described slide one end
Dovetails, the dovetails bottom end face with it is described drilling body top end surface be fixedly connected, the institute on the right side of the dovetail groove
State supporting frame bottom end face and be installed with pneumatic cylinder, piston rod, the piston rod or so are provided with the left of the pneumatic cylinder
It is extended and is fixedly connected with the drilling body its right end face, assembly chamber, the assembly is provided with the drilling body
Being slidably installed in chamber has sliding rack, and the sliding rack top end surface top pressure, which coordinates, is provided with buffer gear, the sliding rack
The second rotary electric machine is installed with inner wall, the second rotary electric machine lower end surface power is connected with spline housing
Tin, spline fitted is provided with splined shaft in the splined sleeve, and the splined shaft bottom end face is installed with rotation axis, described
Rotation axis is rotatably assorted with the drilling body and is connected and is pierced by outside the external side end face of the drilling machine, the institute in the assembly chamber
State that rotation axis outer surface is circumferentially fixed to be provided with disk cam, end face and the assembly intracavitary bottom wall top on the downside of the disk cam
Press-fit is provided with the top pressure spring for being sleeved on the rotation axis outer surface circumferential direction, and the sliding rack bottom end face is installed with
Compression bar, the compression bar bottom end face roll and are provided with the first ball, and first ball is mutually supported with the disk cam
Connect, the rotation axis bottom end face is removably provided with drill bit by a mounting base, and the outside of first rotary electric machine is also
It is provided with protective device.
Preferably technical solution, the buffer gear include being fixedly mounted at the sliding rack top end surface center
Set ring, described set is equipped with the first elastic steel sheet, the second elastic steel sheet and the 3rd elastic steel sheet successively from bottom to up in ring,
First elastic steel sheet, the second elastic steel sheet and the 3rd elastic steel sheet is respectively arc structure and radian is consistent, it is described
Length is incremented by successively from bottom to up and the 3rd elastic steel sheet for first elastic steel sheet, the second elastic steel sheet and the 3rd elastic steel sheet
Left and right sides end rolls respectively is provided with the second ball, and second ball, which rolls, to be installed in the assembly intracavitary roof
In rolling chamber.
Preferably technical solution, the lifting support cylinder upper outside surfaces are circumferentially provided with concave part, the branch
It is provided with support body and runs through and be rotatably assorted with the concave part through-hole structure being connected up and down.
Preferably technical solution, the protective device include noise reducing plate and drop backing, and the noise reducing plate is arranged on institute
State the left end of the first rotary electric machine and right end and be fixedly connected with first rotary electric machine, the drop backing is arranged on described the
The front-end and back-end of one rotary electric machine and it is fixedly connected with first rotary electric machine, the outside of second rotary electric machine also phase
It is provided with the protective device with answering.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, it is easy to operate, by fixed in support cylinder top end surface
First rotary electric machine is installed, the output shaft of the first rotary electric machine is stretched out outside lifting support cylinder end face, and output shaft or so two
Side end face is installed with fixed transverse rod, fixed montant is symmetrically installed with left and right sides of fixed transverse rod, fixation montant is respectively with consolidating
Determine the lower face of cross bar and the upper surface of supporting frame is fixedly connected, lift end face on the downside of the supporting frame on the left of support cylinder
Inside be provided with dovetail groove, dovetail groove inner roof wall is provided with the extended slide in left and right, be slidably installed in dovetail groove have with
The dovetails that slide one end is fixedly connected, dovetails bottom end face is fixedly connected with drilling body top end surface, on the right side of dovetail groove
Supporting frame bottom end face be installed with pneumatic cylinder, piston rod, piston rod or so is provided with the left of pneumatic cylinder and is extended
And be fixedly connected with drilling body its right end face, assembly chamber is provided with the body that drills, being slidably installed in assembly chamber has cunning
Moving frame, sliding rack top end surface top pressure, which coordinates, is provided with buffer gear, and the second rotation electricity is installed with sliding rack inner wall
Machine, the second rotary electric machine lower end surface power are connected with splined sleeve, and spline fitted is provided with splined shaft in splined sleeve,
Splined shaft bottom end face is installed with rotation axis, and rotation axis is rotatably assorted with drilling body and is connected and is pierced by the external side of drilling machine
Outside end face, rotation axis outer surface in assembly chamber is circumferentially fixed to be provided with disk cam, end face and assembly chamber on the downside of disk cam
Inner bottom wall top pressure coordinates the top pressure spring for being provided with and being sleeved on rotation axis outer surface circumferential direction, and sliding rack bottom end face is installed with
Compression bar, compression bar bottom end face roll and are provided with the first ball, and the first ball is mutually abutted with disk cam, rotation axis bottom
End face is removably provided with drill bit by a mounting base, so as to drive supporting frame along concave part by the first rotary electric machine
Central shaft circumferentially rotate, by the length of control pressure regulating piston bar so as to getting arc distribution and different arc to workpiece
The hole of degree, radian is easy to adjust, and the reciprocal top pressure for being additionally, since disk cam and top pressure spring coordinates, so that drill bit is boring
Hole can carry out reciprocal press work when working to plate, add the agility of Puncture force and punching.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and attached drawing.
Fig. 1 is overall structure diagram inside a kind of new arc drilling device of the present invention；
Fig. 2 is the drilling body enlarged structure schematic diagram of the present invention；
Fig. 3 is the structure diagram of the protective device of the present invention.
Embodiment
As shown in Figure 1-Figure 3, a kind of new arc drilling device of the invention, including lift support cylinder 60 and live
Move in the supporting frame 70 lifted on support cylinder 60 and drilling body 80,70 top end surface of support cylinder
The first rotary electric machine 611 is installed with, the output shaft 612 of first rotary electric machine 611 stretches out the lifting support cylinder
Outside 60 end faces, and 612 left and right sides end face of the output shaft is installed with fixed transverse rod 613, the fixed transverse rod 613 or so
Both sides are symmetrically installed with fixed montant 614, the fixed montant 614 lower face with the fixed transverse rod 613 and institute respectively
The upper surface for stating supporting frame 70 is fixedly connected, in the 70 downside end face of support frame as described above body in 60 left side of lifting support cylinder
Dovetail groove 710 is provided with, 710 inner roof wall of dovetail groove is provided with the extended slide 711 in left and right, the dovetail groove 710
In be slidably installed the dovetails 810 being fixedly connected with described 711 one end of slide, 810 bottom end face of dovetails with
Drilling 80 top end surface of body is fixedly connected, and 70 bottom end face of support frame as described above body on the right side of dovetail groove 710 is fixed
Pneumatic cylinder 713 is installed, the left side of pneumatic cylinder 713 is provided with piston rod 712, the piston rod 712 or so be extended and
It is fixedly connected with drilling 80 its right end face of body, assembly chamber 836, the assembly chamber is provided with the drilling body 80
Being slidably installed in 836 has sliding rack 834, and the 834 top end surface top pressure of sliding rack, which coordinates, is provided with buffer gear, described
The second rotary electric machine 833 is installed with 834 inner wall of sliding rack, the 833 lower end surface power of the second rotary electric machine is matched somebody with somebody
Conjunction is connected with splined sleeve 814, and spline fitted is provided with splined shaft 815,815 bottom of splined shaft in the splined sleeve 814
End surface is installed with rotation axis 820, described in the rotation axis 820 is rotatably assorted with the drilling body 80 and be connected and be pierced by
Outside 80 end face outside of body that drills, 820 outer surface of the rotation axis in the assembly chamber 836 is circumferentially fixed, and to be provided with disk convex
Wheel 830, the 830 downside end face of disk cam coordinates to be provided with the 836 inner bottom wall top pressure of assembly chamber is sleeved on described turn
The top pressure spring 823 of 820 outer surface of moving axis circumferential direction, 834 bottom end face of sliding rack is installed with compression bar 832, described
832 bottom end face of compression bar rolls and is provided with the first ball 831, and first ball 831 is mutually supported with the disk cam 830
Connect, 820 bottom end face of rotation axis is removably provided with drill bit 821, first rotary electric machine by a mounting base 822
611 outside is additionally provided with protective device.
Valuably, the buffer gear includes being fixedly mounted at the 834 top end surface center of sliding rack setting ring
841, described set is equipped with the first elastic steel sheet 813, the second elastic steel sheet 835 and the 3rd elasticity successively from bottom to up in ring 841
Steel disc 812, first elastic steel sheet 813, the second elastic steel sheet 835 and the 3rd elastic steel sheet 812 be respectively arc structure and
Radian is consistent, first elastic steel sheet 813, the second elastic steel sheet 835 and the 3rd elastic steel sheet 812 length from bottom to up
Incremented by successively and described 3rd elastic steel sheet, 812 left and right sides end rolls respectively is provided with the second ball 811, second rolling
Pearl 811 is rolled in the rolling chamber 837 being installed in 836 inner roof wall of assembly chamber, is punched so as to fulfill in drill bit 821
When, certain cushioning effect is played, effectively alleviate causes drilling machine when 830 punching press of disk cam drills since plate is really up to the mark
Body 80 and internal part damage.
Valuably, lifting 60 upper outside surfaces of support cylinder are circumferentially provided with concave part 610, support frame as described above body 70
In be provided with and run through and be rotatably assorted with the concave part 610 through-hole structure being connected up and down, so as to fulfill support frame as described above body
70 coordinate along 610 central axis of concave part.
Valuably, the protective device includes noise reducing plate 6111 and drop backing 512, and the noise reducing plate 6111 is arranged on described
The left end and right end of first rotary electric machine 611 and it is fixedly connected with first rotary electric machine 611, the drop backing 512 is set
It is fixedly connected in the front-end and back-end of first rotary electric machine 611 and with first rotary electric machine 611, the drop backing
512 to absorb and distribute the heat that first rotary electric machine 611 operationally produces, and the noise reducing plate 6111 is reducing
The shaking force that first rotary electric machine 611 operationally produces is so as to prevent first rotary electric machine 611 from operationally producing
Raw shaking force is excessive and causes the lifting support cylinder 60 to be shaken, and the outside of second rotary electric machine 833 is also correspondingly
It is provided with the protective device.
When needing to get the hole of arc distribution, the size of radian is set by regulating piston bar 712, and pass through liter
Drop support cylinder 60 regulates and then the high and low position of drill bit 821, starts the second rotary electric machine 833 and drives drill bit 821 to rotate, leads to
Cross lifting support cylinder 60 and drive 821 uniform descent of supporting frame 70 and drill bit, you can workpiece is got into a hole, then,
Drive drill bit 821 to stretch out workpiece upper surface by lifting support cylinder 60, supporting frame 70 is driven by the first rotary electric machine 611
And drill bit 821 rotates certain angle, under lifting the drive supporting frame 70 of support cylinder 60 and drill bit 821 at the uniform velocity
Drop, you can workpiece is got into second hole, reciprocating operation, you can get the hole of multiple arcs distribution；When needing to adjust multiple holes
Between radian when, only need to pass through the length of 713 regulating piston bar 712 of pneumatic cylinder.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, it is easy to operate, by fixed in support cylinder top end surface
First rotary electric machine is installed, the output shaft of the first rotary electric machine is stretched out outside lifting support cylinder end face, and output shaft or so two
Side end face is installed with fixed transverse rod, fixed montant is symmetrically installed with left and right sides of fixed transverse rod, fixation montant is respectively with consolidating
Determine the lower face of cross bar and the upper surface of supporting frame is fixedly connected, lift end face on the downside of the supporting frame on the left of support cylinder
Inside be provided with dovetail groove, dovetail groove inner roof wall is provided with the extended slide in left and right, be slidably installed in dovetail groove have with
The dovetails that slide one end is fixedly connected, dovetails bottom end face is fixedly connected with drilling body top end surface, on the right side of dovetail groove
Supporting frame bottom end face be installed with pneumatic cylinder, piston rod, piston rod or so is provided with the left of pneumatic cylinder and is extended
And be fixedly connected with drilling body its right end face, assembly chamber is provided with the body that drills, being slidably installed in assembly chamber has cunning
Moving frame, sliding rack top end surface top pressure, which coordinates, is provided with buffer gear, and the second rotation electricity is installed with sliding rack inner wall
Machine, the second rotary electric machine lower end surface power are connected with splined sleeve, and spline fitted is provided with splined shaft in splined sleeve,
Splined shaft bottom end face is installed with rotation axis, and rotation axis is rotatably assorted with drilling body and is connected and is pierced by the external side of drilling machine
Outside end face, rotation axis outer surface in assembly chamber is circumferentially fixed to be provided with disk cam, end face and assembly chamber on the downside of disk cam
Inner bottom wall top pressure coordinates the top pressure spring for being provided with and being sleeved on rotation axis outer surface circumferential direction, and sliding rack bottom end face is installed with
Compression bar, compression bar bottom end face roll and are provided with the first ball, and the first ball is mutually abutted with disk cam, rotation axis bottom
End face is removably provided with drill bit by a mounting base, so as to drive supporting frame along concave part by the first rotary electric machine
Central shaft circumferentially rotate, by the length of control pressure regulating piston bar so as to getting arc distribution and different arc to workpiece
The hole of degree, radian is easy to adjust, and the reciprocal top pressure for being additionally, since disk cam and top pressure spring coordinates, so that drill bit is boring
Hole can carry out reciprocal press work when working to plate, add the agility of Puncture force and punching.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of new arc drilling device, including lift support cylinder and be movably arranged on the lifting support cylinder
Supporting frame and drilling body, it is characterised in that：The first rotary electric machine is installed with the support cylinder top end surface,
The output shaft of first rotary electric machine is stretched out outside the lifting support cylinder end face, and end face is consolidated at left and right sides of the output shaft
Dingan County is equipped with fixed transverse rod, is symmetrically installed with fixed montant at left and right sides of the fixed transverse rod, the fixed montant respectively with institute
The lower face of fixed transverse rod and the upper surface of support frame as described above body is stated to be fixedly connected, it is described on the left of the lifting support cylinder
Dovetail groove is provided with the downside of supporting frame in end face, the dovetail groove inner roof wall is provided with the extended slide in left and right, described
Be slidably installed the dovetails being fixedly connected with described slide one end in dovetail groove, the dovetails bottom end face with it is described
Drilling body top end surface is fixedly connected, and the support frame as described above body bottom end face on the right side of the dovetail groove is installed with air pressure
Cylinder, be provided with the left of the pneumatic cylinder piston rod, the piston rod or so be extended and with the drilling body its right end face
It is fixedly connected, is provided with assembly chamber in the drilling body, being slidably installed in the assembly chamber has sliding rack, the slip
Top of the trellis end face top pressure, which coordinates, is provided with buffer gear, and the second rotary electric machine, institute are installed with the sliding rack inner wall
State the second rotary electric machine lower end surface power and be connected with splined sleeve, spline fitted is provided with spline in the splined sleeve
Axis, the splined shaft bottom end face are installed with rotation axis, the rotation axis be rotatably assorted with the drilling body be connected and
It is pierced by outside the external side end face of the drilling machine, the rotation axis outer surface in the assembly chamber is circumferentially fixed, and to be provided with disk convex
Wheel, the disk cam downside end face coordinates to be provided with the assembly intracavitary bottom wall top pressure is sleeved on the rotation axis outer surface
Circumferential top pressure spring, the sliding rack bottom end face are installed with compression bar, and the compression bar bottom end face rolls installation
There is the first ball, first ball is mutually abutted with the disk cam, and the rotation axis bottom end face passes through a mounting base
Drill bit removably is installed, the outside of first rotary electric machine is additionally provided with protective device.
A kind of 2. new arc drilling device according to claim 1, it is characterised in that：The buffer gear includes solid
Dingan County sets ring at the sliding rack top end surface center, and described set is equipped with the first elasticity successively from bottom to up in ring
Steel disc, the second elastic steel sheet and the 3rd elastic steel sheet, first elastic steel sheet, the second elastic steel sheet and the 3rd elastic steel sheet point
Not Wei arc structure and radian it is consistent, first elastic steel sheet, the second elastic steel sheet and the 3rd elastic steel sheet from down toward
Upper length is incremented by successively and the 3rd elastic steel sheet left and right sides end rolls be provided with the second ball respectively, second rolling
Pearl is rolled in the rolling chamber being installed in the assembly intracavitary roof.
A kind of 3. new arc drilling device according to claim 1, it is characterised in that：On the lifting support cylinder
Side external surface is circumferentially provided with concave part, is provided with support frame as described above body and runs through up and down and be rotatably assorted company with the concave part
The through-hole structure connect.
A kind of 4. new arc drilling device according to claim 1, it is characterised in that：The protective device includes subtracting
Make an uproar plate and drop backing, the noise reducing plate be arranged on first rotary electric machine left end and right end and with first rotary electric machine
It is fixedly connected, the drop backing is arranged on the front-end and back-end of first rotary electric machine and is fixed with first rotary electric machine
Connection, the outside of second rotary electric machine is also correspondingly provided with the protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363560.3A CN108031895B (en) | 2017-12-18 | 2017-12-18 | A kind of novel arc drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363560.3A CN108031895B (en) | 2017-12-18 | 2017-12-18 | A kind of novel arc drilling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108031895A true CN108031895A (en) | 2018-05-15 |
| CN108031895B CN108031895B (en) | 2018-11-20 |
Family
ID=62099716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711363560.3A Active CN108031895B (en) | 2017-12-18 | 2017-12-18 | A kind of novel arc drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108031895B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108329A (en) * | 2018-09-03 | 2019-01-01 | 佛山拓达科技有限公司 | A kind of advanced assembling light guiding plate device |
| CN109108328A (en) * | 2018-09-03 | 2019-01-01 | 佛山拓达科技有限公司 | A kind of assembling light guiding plate device |
| CN112935878A (en) * | 2021-03-23 | 2021-06-11 | 哈尔滨职业技术学院 | Computer host drilling equipment and operation method |
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| CN107322029A (en) * | 2017-08-25 | 2017-11-07 | 湖州德耀金属制品有限公司 | A kind of Metal plate Automatic-clamping drilling equipment |
| CN107378028A (en) * | 2017-07-21 | 2017-11-24 | 罗厚镇 | A kind of radial drilling machine for being easy to regulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4984640A (en) * | 1990-02-26 | 1991-01-15 | Gillan Leland E | Power post driver and hammer |
| CN2159840Y (en) * | 1993-07-19 | 1994-03-30 | 李能效 | Vibrasive cutting bench type drilling machine |
| JP2010240759A (en) * | 2009-04-01 | 2010-10-28 | Makita Corp | Hammer drill |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108329A (en) * | 2018-09-03 | 2019-01-01 | 佛山拓达科技有限公司 | A kind of advanced assembling light guiding plate device |
| CN109108328A (en) * | 2018-09-03 | 2019-01-01 | 佛山拓达科技有限公司 | A kind of assembling light guiding plate device |
| CN112935878A (en) * | 2021-03-23 | 2021-06-11 | 哈尔滨职业技术学院 | Computer host drilling equipment and operation method |
| CN112935878B (en) * | 2021-03-23 | 2022-03-11 | 哈尔滨职业技术学院 | Computer host drilling equipment and operation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108031895B (en) | 2018-11-20 |
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Effective date of registration: 20181015 Address after: 312300 Yonghe Industrial Park, Shangyu District, Shaoxing, Zhejiang Applicant after: Shaoxing East Furniture Co.,Ltd. Address before: 310000 17 groups of Sha Tin Village, Guali Town, Xiaoshan District, Hangzhou, Zhejiang Applicant before: Shen Lifeng |
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Denomination of invention: A new type of arc-shaped drilling equipment Granted publication date: 20181120 Pledgee: Yonghe Sub-branch of Zhejiang Shangyu Rural Commercial Bank Co.,Ltd. Pledgor: Shaoxing East Furniture Co.,Ltd. Registration number: Y2024980021005 |