CN109014969A - A kind of porous mold as injection forming - Google Patents
A kind of porous mold as injection forming Download PDFInfo
- Publication number
- CN109014969A CN109014969A CN201810885454.XA CN201810885454A CN109014969A CN 109014969 A CN109014969 A CN 109014969A CN 201810885454 A CN201810885454 A CN 201810885454A CN 109014969 A CN109014969 A CN 109014969A
- Authority
- CN
- China
- Prior art keywords
- rod
- chamber
- pivoted arm
- outer housing
- generator
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
Abstract
The invention discloses a kind of porous molds as injection forming, including vehicle frame, the first cylinder is installed on the vehicle frame, first cylinder upper end power is fitted with First piston bar, the First piston bar top is provided with outer housing, the outer housing top is installed with dust protection rubber set, collecting chamber is equipped in the outer housing of dust protection rubber set bottom end, inner wall connection is equipped with the defeated chamber of row through the outer housing right end face on the right side of the collecting chamber, the body of rod is installed between end wall above and below the defeated chamber of row, it is opposite with the body of rod in the collecting chamber inner left wall to be installed with the first generator, the first generator right-hand end power is fitted with the first pivoted arm, first pivoted arm outer surface is installed with screw feeding slurry, the first pivoted arm right end, which is rotatably assorted, to be mounted on the body of rod, on the right side of the body of rod The row it is defeated it is intracavitary be equipped with partition apparatus.
Description
Technical field
The present invention relates to porous mold processing technique field, specially a kind of porous mold as injection forming.
Background technique
It when preparing porous mold, needs to carry out boring work to it, currently, when the equipment for drilling to it uses
It is easy to produce larger dust, usually in drilling, needs to spray water to reduce dust generation, still, sprays water be easy wave for a long time
Water wasting source, therefore, it is necessary to the equipment prepared to porous mold that one kind can collect dust and water source is recycled.
Summary of the invention
It is in the prior art for overcoming the purpose of the present invention is to provide a kind of porous mold as injection forming
State defect.
A kind of porous mold as injection forming according to the present invention, including vehicle frame are installed on the vehicle frame
First cylinder, first cylinder upper end power are fitted with First piston bar, and the First piston bar top is provided with outer
Shell, the outer housing top are installed with dust protection rubber set, are equipped with and collect in the outer housing of dust protection rubber set bottom end
Chamber, the collecting chamber right side inner wall connection are equipped with the defeated chamber of row through the outer housing right end face, the defeated chamber upper and lower side of row
It is installed with the body of rod between wall, it is opposite with the body of rod in the collecting chamber inner left wall to be installed with the first generator, described first
Generator right-hand end power is fitted with the first pivoted arm, and first pivoted arm outer surface is installed with screw feeding slurry, and described the
One pivoted arm right end, which is rotatably assorted, to be mounted on the body of rod, and defeated intracavitary be equipped with of the row on the right side of the body of rod separates dress
It sets, sieve is installed in the collecting chamber of screw feeding slurry downside, the collecting chamber bottom wall, which is installed with, to be stretched out outside described
The Return water hoses of shell right end face are equipped with the first sliding space in the outer housing top end surface on the left of the collecting chamber, described
Being slidably installed in first sliding space has slide, is installed with the second generator in the slide top end face, and described second
Generator top power is fitted with the second pivoted arm, and second pivoted arm passes through the dust protection rubber and covers and be rotatably assorted therewith
Setting, the second pivoted arm top end are installed with shaft coupling, are removably equipped with drill bit on the upside of the shaft coupling, and described the
Installation cavity is equipped in one sliding space inner bottom wall, the installation cavity bottom wall is installed with the second cylinder, and second cylinder top is dynamic
Force-fitting is equipped with second piston bar, and second day piston rod part end is fixedly connected with the slide bottom end face, institute
It states and is equipped with slot in outer housing bottom end face, the slot roof connection is equipped with reseting cavity, and be slidably matched peace in the reseting cavity
Equipped with restoring board, the restoring board bottom end face is fixedly connected with the First piston bar top end, top in the reseting cavity
Bilateral symmetry is equipped with groove in wall, and press is fitted with buffering elastic between the groove roof and the restoring board top end surface
Spring is additionally provided with pushing meanss on the vehicle frame.
Further technical solution, dust protection rubber set top are installed with the first sealing ring, second pivoted arm periphery
The dust protection rubber set in be installed with the second sealing ring.
Further technical solution, the partition apparatus include the defeated intracavitary roof of the row being arranged on the right side of the body of rod
The second interior sliding space, being slidably installed in second sliding space has switchboard, and the switchboard and the row are defeated
Chamber sealing cooperation, the switchboard top end surface screw-internal thread fit are equipped with screw rod, screw tip end power cooperation peace
Equipped with third generator, the third generator is fixedly arranged in the second sliding space inner roof wall.
Further technical solution is provided with water tank on the vehicle frame, is equipped with storage chamber in the tank top end face,
Bottom end is equipped with water hose on the right side of the storage chamber, hydraulic press is equipped on the water hose, the water hose protrudes into
In the dust protection rubber set and end is fixedly installed with spray head, and Return water hoses protrude into the storage chamber, on the left of the storage chamber
Water inlet pipe is installed at upper end, open and close valve is installed on the water inlet pipe, the open and close valve left distal end is fixedly installed with connection
Head.
Further technical solution, the sieve bottom end are installed with vibrator.
Further technical solution, the first cylinder outside are installed with the first balancing stand, and the second cylinder outside is solid
Equipped with the second balancing stand.
Further technical solution, the pushing meanss include the brace for being fixedly mounted on the vehicle frame top end surface,
Extend before and after the brace top end and be installed with cross bar, cross bar front and rear sides end symmetrical is equipped with hand-held set.
The beneficial effects of the present invention are: vehicle frame is moved to and needs bore position when needing to prepare porous mold,
Start the first cylinder to rise until the first sealing ring is abutted with porous mold, is then turned on hydraulic press for the water in storage chamber from spray
It is sprayed in head, meanwhile, start the second generator and drive drill bit rotation, then, the second cylinder of starting drives and slides on slide, until beating
Hole finishes, and punches generated dust and automatically falls on the upside of the sieve in collecting chamber, and the water that spray head sprays also flows into collecting chamber
It is interior and be back in storage chamber after the screen to filtrate from Return water hoses, it is simple and convenient to porous mold drilling preparation work,
Convenient the dust generated when drilling can be collected, prevent dust from falling, flowed back by the water that Return water hoses spray spray head,
It effectively prevent waste water source.
When the dust in collecting chamber is filled with, starting third generator drives and slides and the defeated chamber of the row of fully sliding out on switchboard,
It is in the open state that defeated chamber is arranged at this time, is then started the first generator and is driven screw feeding slurry that dust is released collecting chamber automatically,
Dust is released easy to operate, using simple, is worth of widely use.
Detailed description of the invention
Fig. 1 is overall structure diagram inside a kind of porous mold as injection forming of the invention；
Fig. 2 is the partial enlargement structural representation in Fig. 1.
Specific embodiment
Below with reference to Fig. 1-2, the present invention is described in detail.
Referring to Fig.1-2, a kind of porous mold as injection forming of embodiment according to the present invention, including vehicle frame
100, the first cylinder 109 is installed on the vehicle frame 100, it is living that the 109 upper end power of the first cylinder is fitted with first
Stopper rod 108,108 top of First piston bar are provided with outer housing 114, and 114 top of outer housing is installed with dust protection rubber
Set 124, the dust protection rubber, which covers, is equipped with collecting chamber 115 in the outer housing 114 of 124 bottom ends, in 115 right side of collecting chamber
Wall connection is equipped with the defeated chamber 117 of row through 114 right end face of outer housing, fixed between defeated about 117 end wall of chamber of row
There is a body of rod 116, it is opposite with the body of rod 116 in 115 inner left wall of collecting chamber to be installed with the first generator 142, described the
One generator, 142 right-hand end power is fitted with the first pivoted arm 144, and 144 outer surface of the first pivoted arm is installed with spiral and send
Slurry 143,144 right end of the first pivoted arm, which is rotatably assorted, to be mounted on the body of rod 116,116 right side of the body of rod
It is equipped with partition apparatus in the defeated chamber 117 of row, is installed with sieve in the collecting chamber 115 of 143 downside of screw feeding slurry
146,115 bottom wall of collecting chamber is installed with the Return water hoses 103 for stretching out 114 right end face of outer housing, the collecting chamber
It is equipped with the first sliding space 132 in 114 top end surface of outer housing in 115 left sides, is slidably matched in first sliding space 132
Slide 134 is installed, the second generator 133,133 top of the second generator are installed in 134 top end surface of slide
Power is fitted with the second pivoted arm 131, and second pivoted arm 131 passes through dust protection rubber set 124 and is rotatably assorted therewith
Setting, 131 top end of the second pivoted arm are installed with shaft coupling 127, and 127 upside of shaft coupling is removably equipped with brill
First 126,132 inner bottom wall of the first sliding space is interior to be equipped with installation cavity 136, and 136 bottom wall of installation cavity is installed with the second gas
Cylinder 138, the 138 top power of the second cylinder are fitted with second piston bar 135,135 top of second day piston rod
End is fixedly connected with 134 bottom end face of slide, and slot 111, the slot are equipped in 114 bottom end face of outer housing
The connection of 111 roofs is equipped with reseting cavity 113, and being slidably installed in the reseting cavity 113 has restoring board 112, the restoring board 112
Bottom end face is fixedly connected with 108 top end of First piston bar, and bilateral symmetry is equipped in 113 inner roof wall of reseting cavity
Groove 139, press is fitted with buffer spring 141 between 112 top end surface of 139 roof of groove and the restoring board,
Pushing meanss are additionally provided on the vehicle frame 100.
Valuably or illustratively, the dust protection rubber covers 124 tops and is installed with the first sealing ring 125, and described second turn
It is installed with the second sealing ring 128 in the dust protection rubber set 124 of 131 periphery of arm, thus leakproofness when increasing use.
Valuably or illustratively, the partition apparatus includes the defeated chamber 117 of the row that 116 right side of the body of rod is arranged in
The second sliding space 122 in inner roof wall, being slidably installed in second sliding space 122 has switchboard 118, described to open
It closes plate 118 and the defeated sealing of chamber 117 of the row cooperates, the 118 top end surface screw-internal thread fit of switchboard is equipped with screw rod 121,
The 121 top end power of screw rod is fitted with third generator 123, and the third generator 123 is fixedly arranged on described
In two sliding spaces, 122 inner roof wall, the defeated chamber 117 of the row is opened and closed consequently facilitating automatically controlling.
Valuably or illustratively, it is provided with water tank 150 on the vehicle frame 100, is set in 150 top end surface of water tank
There is storage chamber 104, the 104 right side bottom end of storage chamber is equipped with water hose 101, is equipped with water on the water hose 101
Press 102, the water hose 101 protrudes into the dust protection rubber set 124 and end is fixedly installed with spray head 129, and return water is soft
Pipe 103 protrudes into the storage chamber 104, is equipped with water inlet pipe 105, the water inlet pipe 105 at the 104 left side upper end of storage chamber
On open and close valve 106 is installed, 106 left distal end of open and close valve is fixedly installed with connector 107, consequently facilitating recycling water
Source.
Valuably or illustratively, 146 bottom end of sieve is installed with vibrator 145, to increase drainage rate.
Valuably or illustratively, the first balancing stand 110, second cylinder are installed on the outside of first cylinder 109
138 outsides are installed with the second balancing stand 137, to increase the stability of first cylinder 109 and the second cylinder 138.
Valuably or illustratively, the pushing meanss include be fixedly mounted on 100 top end surface of vehicle frame oblique
Bar 161,161 top end of the brace front and back, which extends, is installed with cross bar 162, and the 162 front and rear sides end symmetrical of cross bar is set
There is hand-held set 163, consequently facilitating pushing the present apparatus.
When needing to prepare porous mold, vehicle frame 100 is moved to and needs bore position, starts the first cylinder 109
Rise until the first sealing ring 125 is abutted with porous mold, is then turned on hydraulic press 102 for the water in storage chamber 104 from spray head
It is sprayed in 129, meanwhile, the second generator 133 of starting drives drill bit 126 to rotate, and then, the second cylinder 138 of starting drives slide
Sliding on 134, until punching finishes, dust caused by punching automatically falls into 146 upside of sieve in collecting chamber 115, and spray head
129 water sprayed are also flowed into collecting chamber 115 and are back in storage chamber 104 after the screen to filtrate from Return water hoses 103.
When the dust in collecting chamber 115 is filled with, starting third generator 123, which drives, to be slided on switchboard 118 and slides completely
Defeated chamber 117 is arranged out, and it is in the open state to arrange defeated chamber 117 at this time, then starts the first generator 142 and drives screw feeding slurry 143
Automatically dust is released into collecting chamber 115.
The beneficial effects of the present invention are: vehicle frame is moved to and needs bore position when needing to prepare porous mold,
Start the first cylinder to rise until the first sealing ring is abutted with porous mold, is then turned on hydraulic press for the water in storage chamber from spray
It is sprayed in head, meanwhile, start the second generator and drive drill bit rotation, then, the second cylinder of starting drives and slides on slide, until beating
Hole finishes, and punches generated dust and automatically falls on the upside of the sieve in collecting chamber, and the water that spray head sprays also flows into collecting chamber
It is interior and be back in storage chamber after the screen to filtrate from Return water hoses, it is simple and convenient to porous mold drilling preparation work,
Convenient the dust generated when drilling can be collected, prevent dust from falling, flowed back by the water that Return water hoses spray spray head,
It effectively prevent waste water source.
When the dust in collecting chamber is filled with, starting third generator drives and slides and the defeated chamber of the row of fully sliding out on switchboard,
It is in the open state that defeated chamber is arranged at this time, is then started the first generator and is driven screw feeding slurry that dust is released collecting chamber automatically,
Dust is released easy to operate, using simple, is worth of widely use.
Those skilled in the art can define, can in the case of not departing from overall spirit of the invention and design
To make the various modifications for above embodiments.It falls within the scope of protection of the present invention.Protection scheme of the invention
It is subject to claims appended hereto.
Claims (7)
1. a kind of porous mold as injection forming, including vehicle frame, it is characterised in that: be installed with first on the vehicle frame
Cylinder, first cylinder upper end power are fitted with First piston bar, and the First piston bar top is provided with outer housing,
The outer housing top is installed with dust protection rubber set, is equipped with collecting chamber, institute in the outer housing of dust protection rubber set bottom end
It states inner wall connection on the right side of collecting chamber and is equipped with the defeated chamber of row through the outer housing right end face, the defeated chamber of row is up and down between end wall
It is installed with the body of rod, it is opposite with the body of rod in the collecting chamber inner left wall to be installed with the first generator, first generator
Right-hand end power is fitted with the first pivoted arm, and first pivoted arm outer surface is installed with screw feeding slurry, first pivoted arm
Right end, which is rotatably assorted, to be mounted on the body of rod, and the row on the right side of the body of rod is defeated intracavitary equipped with partition apparatus, described
Sieve is installed in the collecting chamber of screw feeding slurry downside, the collecting chamber bottom wall, which is installed with, to be stretched out on the right side of the outer housing
The Return water hoses of end face are equipped with the first sliding space, first sliding in the outer housing top end surface on the left of the collecting chamber
Being slidably installed in space has slide, and the second generator, second generator top are installed in the slide top end face
End power is fitted with the second pivoted arm, and second pivoted arm passes through dust protection rubber set and the setting that is rotatably assorted therewith, institute
It states the second pivoted arm top end and is installed with shaft coupling, drill bit, first sliding are removably installed on the upside of the shaft coupling
Installation cavity is equipped in the inner bottom wall of space, the installation cavity bottom wall is installed with the second cylinder, the cooperation of second cylinder top power
Second piston bar is installed, second day piston rod part end is fixedly connected with the slide bottom end face, the shell
Slot is equipped in body bottom end face, the slot roof connection is equipped with reseting cavity, and being slidably installed in the reseting cavity, there have to be multiple
Position plate, the restoring board bottom end face are fixedly connected with the First piston bar top end, left in the reseting cavity inner roof wall
The right side is symmetrically arranged with groove, and press is fitted with buffer spring between the groove roof and the restoring board top end surface, institute
It states and is additionally provided with pushing meanss on vehicle frame.
2. a kind of porous mold as injection forming according to claim 1, it is characterised in that: the dust protection rubber set
Top is installed with the first sealing ring, is installed with the second sealing ring in the dust protection rubber set of second pivoted arm periphery.
3. a kind of porous mold as injection forming according to claim 1, it is characterised in that: the partition apparatus packet
Include the second sliding space in the defeated intracavitary roof of the row being arranged on the right side of the body of rod, sliding in second sliding space
It is fitted with switchboard, the switchboard and the defeated chamber sealing of the row cooperate, the switchboard top end surface screw-internal thread fit
Screw rod is installed, screw tip end power is fitted with third generator, and the third generator is fixedly arranged on described
In second sliding space inner roof wall.
4. a kind of porous mold as injection forming according to claim 1, it is characterised in that: set on the vehicle frame
It is equipped with water tank, storage chamber is equipped in the tank top end face, bottom end is equipped with water hose, the spray on the right side of the storage chamber
Hydraulic press is installed, the water hose protrudes into the dust protection rubber set and end is fixedly installed with spray head, returns on water hose
Water hose protrudes into the storage chamber, is equipped with water inlet pipe at upper end on the left of the storage chamber, is equipped with out on the water inlet pipe
Valve closing, the open and close valve left distal end are fixedly installed with connector.
5. a kind of porous mold as injection forming according to claim 1, it is characterised in that: the sieve bottom end is solid
Equipped with vibrator.
6. a kind of porous mold as injection forming according to claim 1, it is characterised in that: outside first cylinder
Side is installed with the first balancing stand, is installed with the second balancing stand on the outside of second cylinder.
7. a kind of porous mold as injection forming according to claim 1, it is characterised in that: the pushing meanss packet
The brace for being fixedly mounted on the vehicle frame top end surface is included, extends before and after the brace top end and is installed with cross bar, it is described
Cross bar front and rear sides end symmetrical is equipped with hand-held set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810885454.XA CN109014969A (en) | 2018-08-06 | 2018-08-06 | A kind of porous mold as injection forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810885454.XA CN109014969A (en) | 2018-08-06 | 2018-08-06 | A kind of porous mold as injection forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109014969A true CN109014969A (en) | 2018-12-18 |
Family
ID=64649714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810885454.XA Withdrawn CN109014969A (en) | 2018-08-06 | 2018-08-06 | A kind of porous mold as injection forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109014969A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4403892A (en) * | 1980-11-03 | 1983-09-13 | Kane Patrick J | Apparatus for driving fasteners and other insertable objects into remote structures |
| JPH0631514A (en) * | 1992-07-21 | 1994-02-08 | Japan Drive-It Co Ltd | Drilling chip treating device for drilling tool stand |
| CN101316680A (en) * | 2005-11-28 | 2008-12-03 | 胡斯华纳有限公司 | Water collecting device for core drilling device |
| CN103306609A (en) * | 2013-06-13 | 2013-09-18 | 中国葛洲坝集团股份有限公司 | Adjustable support frame used for drilling hole upward and vertically |
| CN105855987A (en) * | 2016-06-17 | 2016-08-17 | 高元琴 | Cooling liquid recycling device for machining |
| CN205519789U (en) * | 2016-03-30 | 2016-08-31 | 安徽科技学院 | Be used for single drilling equipment of building masonry wall eminence |
| CN107427868A (en) * | 2014-10-28 | 2017-12-01 | 恩林克公司 | For ceiling and the mobile robot formula drilling equipment and method of drill hole on wall |
-
2018
- 2018-08-06 CN CN201810885454.XA patent/CN109014969A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4403892A (en) * | 1980-11-03 | 1983-09-13 | Kane Patrick J | Apparatus for driving fasteners and other insertable objects into remote structures |
| JPH0631514A (en) * | 1992-07-21 | 1994-02-08 | Japan Drive-It Co Ltd | Drilling chip treating device for drilling tool stand |
| CN101316680A (en) * | 2005-11-28 | 2008-12-03 | 胡斯华纳有限公司 | Water collecting device for core drilling device |
| CN103306609A (en) * | 2013-06-13 | 2013-09-18 | 中国葛洲坝集团股份有限公司 | Adjustable support frame used for drilling hole upward and vertically |
| CN107427868A (en) * | 2014-10-28 | 2017-12-01 | 恩林克公司 | For ceiling and the mobile robot formula drilling equipment and method of drill hole on wall |
| CN205519789U (en) * | 2016-03-30 | 2016-08-31 | 安徽科技学院 | Be used for single drilling equipment of building masonry wall eminence |
| CN105855987A (en) * | 2016-06-17 | 2016-08-17 | 高元琴 | Cooling liquid recycling device for machining |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
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| WW01 | Invention patent application withdrawn after publication |