CN109048552A - A kind of underground communication tubing environment-friendly PVC solid-wall pipe - Google Patents
A kind of underground communication tubing environment-friendly PVC solid-wall pipe Download PDFInfo
- Publication number
- CN109048552A CN109048552A CN201810904959.6A CN201810904959A CN109048552A CN 109048552 A CN109048552 A CN 109048552A CN 201810904959 A CN201810904959 A CN 201810904959A CN 109048552 A CN109048552 A CN 109048552A
- Authority
- CN
- China
- Prior art keywords
- turn
- around chamber
- fixed
- steering shaft
- wall
- 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- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/20—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
The invention discloses a kind of underground communication tubing environment-friendly PVC solid-wall pipes, including the turning sleeve being connect by mechanical arm with driving device, the turning sleeve be equipped with symmetrical above and below and oral area outwardly install slot, described install in slot or so inner wall is symmetrically arranged with first sliding groove, first sliding block is smoothly installed in the first sliding groove, it is rotatably assorted between two first sliding blocks in left and right and the first steering shaft is installed, it is fixed in first steering shaft and is located at the bogie installed in slot, the turning sleeve inside left the first turn-around chamber symmetrical above and below being equipped with the first sliding groove intercommunication in left side, extended end protrudes into first turn-around chamber on the left of first steering shaft and left side tail end is fixed with the first tooth roller, stretching, extension is provided with the second turn-around chamber up and down in the turning sleeve on the left of upper and lower two first turn-around chambers, institute It states to be rotatably assorted between the second turn-around chamber and first turn-around chamber and the second steering shaft is installed.
Description
Technical field
The present invention relates to technical field of electronic communication, specifically a kind of underground communication tubing environment-friendly PVC solid-wall pipe.
Background technique
PVC solid-wall pipe uses in electronic communication field and its extensively, PVC solid-wall pipe needs during processing
Sanding operation is carried out to the burr on its inner wall using grinding device, and the grinding device in tradition, the degree of automation are low, need
Excessive manpower manual is wanted to operate, and working efficiency is low, large labor intensity, while the grinding device in tradition is difficult to after polishing
Realize to pipe material inner wall carry out clean operation, to the spraying in later period bring greatly it is constant, therefore, tradition in grinding device exist
Larger drawback needs to improve.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of underground communication tubing environment-friendly PVC solid-wall pipe, energy
Enough solve the problems in above-mentioned present technology.
The present invention is achieved through the following technical solutions: a kind of underground communication tubing of the invention environment-friendly PVC reality
Wall tube material, including the turning sleeve being connect by mechanical arm with driving device, the turning sleeve is equipped with symmetrical above and below and oral area outwardly
Install slot, described install is symmetrically arranged with first sliding groove in slot or so inner wall, it is sliding that first is smoothly equipped in the first sliding groove
Block is rotatably assorted and is equipped with the first steering shaft between two first sliding blocks in left and right, is fixed in first steering shaft
Positioned at the bogie installed in slot, the turning sleeve inside left is symmetrical above and below equipped with mutual with the first sliding groove in left side
The first logical turn-around chamber, the first steering shaft left side extended end protrudes into first turn-around chamber and left side tail end is fixed with
First tooth roller, stretching, extension is provided with the second turn-around chamber up and down in the turning sleeve on the left of upper and lower two first turn-around chambers,
It is rotatably assorted between second turn-around chamber and first turn-around chamber and the second steering shaft is installed, in first turn-around chamber
The second tooth roller being cooperatively connected with first tooth roller is fixed in second steering shaft, in second turn-around chamber
Second steering shaft on be fixed with the first driving wheel, be fixed with the first horse in inner wall on the right side of second turn-around chamber
It reaches, the first motor left end face is connected by power the second driving wheel in second turn-around chamber, upper and lower two institutes
State and be cooperatively connected between the first driving wheel and second driving wheel by transmission V belt translation, in the turning sleeve bilateral symmetry and
It is symmetrical above and below to be provided with third turn-around chamber, it is rotatably assorted between the two third turn-around chambers in left and right and third steering shaft is installed,
The first taper wheel in the third turn-around chamber is fixed in the third steering shaft, the slot of installing is close to described
It is symmetrically set with recessed groove in the end wall of three turn-around chambers, pushing plate, the recessed groove are smoothly installed in the recessed groove
It is equipped with second sliding slot in the end wall of the third turn-around chamber, the second sliding block is smoothly installed in the second sliding slot, it is described
Second sliding block is fixedly connected by linking arm with the pushing plate, and second sliding block is equipped with the screw hole of oral area inwardly, the spiral shell
Screw rod is fitted in hole, screw rod medial expansion end is protruded into the third turn-around chamber and the fixation of medial expansion tail end is set
There is the second taper wheel being cooperatively connected with the first taper wheel.
Further technical solution, internal stretch up and down in turning sleeve right side are provided with the 4th turn-around chamber, and upper and lower two
Stretching, extension tail end protrudes into the 4th turn-around chamber on the right side of the third steering shaft and right side stretching, extension tail end is fixed with third teeth
Wheel, is fixed with the second motor in the 4th turn-around chamber inner left wall, the second motor left end face be connected by power with
The 4th tooth roller that upper and lower two third tooth rollers are cooperatively connected.
Further technical solution, the bogie is fixed with cleaning cotton on the end face of the recessed groove, described
Bogie is fixed with polishing item on the end face far from the cleaning cotton
Further technical solution, first turn-around chamber are fixed with lock teeth portion in the end wall far from second tooth roller.
Further technical solution is equipped in the first sliding groove inward bottom wall and installs hole, it is described install be equipped in hole with
The tension spring that first sliding block is fixedly connected.
The beneficial effects of the present invention are:
Apparatus of the present invention are in polishing, when polishing, the turning sleeve are inserted into pore first, then controls second motor
Rotation can drive the third to turn to after the second motor rotation by third tooth roller described in the 4th teeth wheel drive
Axis rotates, and can pass through the second taper wheel described in the first taper wheel drive after the third steering axes and drive the screw rod
Rotation can drive second sliding block to slide in and out after the screw rod rotation, and second sliding block slides in and out can be by described
Linking arm drives the pushing plate to install sliding in slot described in, can be outside after the pushing plate offsets with the cleaning cotton
The bogie is pressed, when the polishing end face outside offsets with pore inner wall, second motor is controlled and stops operating,
At this point, first tooth roller completely disengages cooperation with second tooth roller and is meshed with the lock teeth portion, so as to anti-
When only polishing, the bogie unintentional rotation and influence grinding effect；
Then controlling the mechanical arm by the driving device drives the turning sleeve to rotate formula stretching motion, to realize
Mobile sanding operation improves grinding efficiency so as to greatly reduce labor intensity；
When needing to clean after the completion of polishing, second motor is controlled first and is rotated backward, restores the bogie to initial
State at this point, first tooth roller and the locking teeth are detached from and cooperate, and is meshed with second tooth roller, then controls
It makes second motor to stop operating and open first motor simultaneously, described second can be passed through after the first motor rotation
Driving wheel drives first driving wheel rotation, and second tooth roller and described can be driven after the first driving wheel rotation
The rotation of first tooth roller can drive the bogie degrees of rotation by first steering shaft after the first tooth roller rotation
Afterwards, it controls first motor to stop operating, at this point, the cleaning cotton is outwardly, the polishing item inwardly, then controls described the
Two motor rotates forward, and so that the pushing plate is pressed the bogie again, the cleaning cotton end face outside is made to offset with pore inner wall
Afterwards, controlling the mechanical arm by the driving device drives the turning sleeve to rotate formula stretching motion, to realize movement
Formula clean operation；
Apparatus of the present invention structure is simple, high degree of automation, it can be achieved that the mobile polishing of pipe material inner wall and clean operation,
Labor intensity can be greatly reduced, improve working efficiency.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is a kind of structural schematic diagram of underground communication tubing environment-friendly PVC solid-wall pipe of the invention.
Specific embodiment
As shown in Figure 1, a kind of underground communication tubing environment-friendly PVC solid-wall pipe of the invention, including pass through mechanical arm 13
The turning sleeve 10 being connect with driving device, the turning sleeve 10 be equipped with symmetrical above and below and oral area outwardly install slot 39, the peace
If being symmetrically arranged with first sliding groove 37 in 39 or so inner wall of slot, the first sliding block 38 is smoothly installed in the first sliding groove 37, left and right
It is rotatably assorted between two first sliding blocks 37 and first steering shaft 43 is installed, be fixed with position in first steering shaft 43
In the bogie 41 installed in slot 39, symmetrical above and below be equipped with of 10 inside left of turning sleeve is slided with described the first of left side
First turn-around chamber 35 of 37 intercommunication of slot, the 43 left side extended end of the first steering shaft protrudes into first turn-around chamber 35 and left side
Tail end is fixed with the first tooth roller 34, stretching, extension up and down in the turning sleeve 10 in upper and lower two 35 left sides of the first turn-around chamber
It is provided with the second turn-around chamber 30, is rotatably assorted between second turn-around chamber 30 and first turn-around chamber 35 and is equipped with second turn
To axis 32, it is fixed in second steering shaft 32 in first turn-around chamber 35 and cooperates company with first tooth roller 34
The second tooth roller 31 connect is fixed with the first driving wheel 33 in second steering shaft 32 in second turn-around chamber 30,
The first motor 28 is fixed in second turn-around chamber, the 30 right side inner wall, 28 left end face of the first motor has been connected by power
The second driving wheel 29 in second turn-around chamber 30, upper and lower two first driving wheels 33 and second driving wheel
It is cooperatively connected between 29 by the transmission of transmission belt 27, bilateral symmetry and symmetrical above and below is provided with third steering in the turning sleeve 10
Chamber 25 is rotatably assorted and is equipped with third steering shaft 26 between the two third turn-around chambers 25 in left and right, the third steering shaft 26
On be fixed with the first taper wheel 17 in the third turn-around chamber 25, the slot 39 of installing is close to the third turn-around chamber
It is symmetrically set with recessed groove 23 in 25 end wall, pushing plate 22, the recessed groove are smoothly installed in the recessed groove 23
23 are equipped with second sliding slot 20 in the end wall of the third turn-around chamber 25, and it is sliding that second is smoothly equipped in the second sliding slot 20
Block 19, second sliding block 19 are fixedly connected by linking arm 21 with the pushing plate 22, and second sliding block 19 is equipped with oral area
Screw hole inwardly is fitted with screw rod 18 in the screw hole, and the third turn-around chamber is protruded at the 18 medial expansion end of screw rod
In 25 and medial expansion tail end is fixed with the second taper wheel 24 being cooperatively connected with the first taper wheel 17.
Valuably, the internal stretching, extension up and down in 10 right side of the turning sleeve is provided with the 4th turn-around chamber 11, and upper and lower two described the
Stretching, extension tail end protrudes into the 4th turn-around chamber 11 on the right side of three steering shafts 26 and right side stretching, extension tail end is fixed with third tooth roller
12, the second motor 15 is fixed in 11 inner left wall of the 4th turn-around chamber, the 15 left end face power of the second motor connects
It is connected to the 4th tooth roller 14 being cooperatively connected with the upper and lower two third tooth rollers 12.
Valuably, the bogie 41 is fixed with cleaning cotton 42, the steering on the end face of the recessed groove 23
Frame 41 is fixed with polishing item 40 on the end face far from the cleaning cotton 42
Valuably, lock teeth portion 36 is fixed in end wall of first turn-around chamber 35 far from second tooth roller 31.
Valuably, be equipped in 37 inward bottom wall of first sliding groove and install hole 44, it is described install be equipped in hole 44 with it is described
The tension spring 45 that first sliding block 38 is fixedly connected.
When original state, under the stretching of the tension spring 45,38 inner side end of the first sliding block and the first sliding groove
37 inward bottom walls offset, and first tooth roller 34 is meshed with second tooth roller 34, the storage completely of pushing plate 22
In the recessed groove 23.
When polishing, the turning sleeve 10 is inserted into pore first, second motor 15 is then controlled and rotates, described the
Two motor 15 can drive the third tooth roller 12 to drive the third steering shaft 26 after rotating by the 4th tooth roller 14
Rotation, the third steering shaft 26 can drive the second taper wheel 24 to drive by the first taper wheel 17 after rotating described
Screw rod 18 rotates, and the screw rod 18 can drive second sliding block 19 to slide in and out after rotating, and second sliding block 19 is sliding outward
It is dynamic the pushing plate 22 to be driven to slide towards described install in slot 39 by the linking arm 21, when the pushing plate 22 and institute
The bogie 41 can be pressed outward by stating after cleaning cotton 42 offsets, when 40 end face outside of polishing item offsets with pore inner wall
When, it controls second motor 15 and stops operating, at this point, first tooth roller 34 is completely disengaged with second tooth roller 31
Cooperate and be meshed with the lock teeth portion 36, the mechanical arm 13 is then controlled by the driving device and drives the turning sleeve
10 rotate formula stretching motion, to realize mobile sanding operation；
When needing to clean after the completion of polishing, second motor 15 is controlled first and is rotated backward, restore the bogie 41 extremely
Original state cooperates at this point, first tooth roller 34 and the locking teeth 36 are detached from, and with 34 phase of the second tooth roller
Engagement, then controls second motor 15 and stops operating and open first motor 28,28 turns of first motor simultaneously
First driving wheel 33 can be driven to rotate after dynamic by second driving wheel 29, first driving wheel 33 can band after rotating
Move second tooth roller 31 and first tooth roller 34 rotation, first tooth roller 34 can be by described the after rotating
It after one steering shaft 43 drives the bogie 41 to rotate 180 degree, controls first motor 28 and stops operating, at this point, described clear
Outwardly, the polishing item 40 inwardly, then controls second motor 15 and rotates forward, press the pushing plate 22 again clean cotton 42
The bogie 41, after making 42 end face outside of cleaning cotton and pore inner wall offset, by described in driving device control
Mechanical arm 13 drives the turning sleeve 10 to rotate formula stretching motion, to realize mobile clean operation.
The beneficial effects of the present invention are:
Apparatus of the present invention are in polishing, when polishing, the turning sleeve are inserted into pore first, then controls second motor
Rotation can drive the third to turn to after the second motor rotation by third tooth roller described in the 4th teeth wheel drive
Axis rotates, and can pass through the second taper wheel described in the first taper wheel drive after the third steering axes and drive the screw rod
Rotation can drive second sliding block to slide in and out after the screw rod rotation, and second sliding block slides in and out can be by described
Linking arm drives the pushing plate to install sliding in slot described in, can be outside after the pushing plate offsets with the cleaning cotton
The bogie is pressed, when the polishing end face outside offsets with pore inner wall, second motor is controlled and stops operating,
At this point, first tooth roller completely disengages cooperation with second tooth roller and is meshed with the lock teeth portion, so as to anti-
When only polishing, the bogie unintentional rotation and influence grinding effect；
Then controlling the mechanical arm by the driving device drives the turning sleeve to rotate formula stretching motion, to realize
Mobile sanding operation improves grinding efficiency so as to greatly reduce labor intensity；
When needing to clean after the completion of polishing, second motor is controlled first and is rotated backward, restores the bogie to initial
State at this point, first tooth roller and the locking teeth are detached from and cooperate, and is meshed with second tooth roller, then controls
It makes second motor to stop operating and open first motor simultaneously, described second can be passed through after the first motor rotation
Driving wheel drives first driving wheel rotation, and second tooth roller and described can be driven after the first driving wheel rotation
The rotation of first tooth roller can drive the bogie degrees of rotation by first steering shaft after the first tooth roller rotation
Afterwards, it controls first motor to stop operating, at this point, the cleaning cotton is outwardly, the polishing item inwardly, then controls described the
Two motor rotates forward, and so that the pushing plate is pressed the bogie again, the cleaning cotton end face outside is made to offset with pore inner wall
Afterwards, controlling the mechanical arm by the driving device drives the turning sleeve to rotate formula stretching motion, to realize movement
Formula clean operation；
Apparatus of the present invention structure is simple, high degree of automation, it can be achieved that the mobile polishing of pipe material inner wall and clean operation,
Labor intensity can be greatly reduced, improve working efficiency.
The above description is merely a specific embodiment, but scope of protection 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, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of underground communication tubing environment-friendly PVC solid-wall pipe, the turning sleeve being connect including passing through mechanical arm with driving device,
It is characterized by: the turning sleeve be equipped with symmetrical above and below and oral area outwardly install slot, it is described install it is symmetrical in slot or so inner wall
Equipped with first sliding groove, the first sliding block is smoothly installed in the first sliding groove, rotates and matches between two first sliding blocks in left and right
Conjunction is equipped with the first steering shaft, is fixed in first steering shaft and is located at the bogie installed in slot, the steering
Cover inside left the first turn-around chamber symmetrical above and below being equipped with the first sliding groove intercommunication in left side, the first steering shaft left side
Extended end protrudes into first turn-around chamber and left side tail end is fixed with the first tooth roller, upper and lower two first turn-around chambers
Stretching, extension is provided with the second turn-around chamber up and down in the turning sleeve in left side, between second turn-around chamber and first turn-around chamber
It is rotatably assorted and the second steering shaft is installed, be fixed with and described first in second steering shaft in first turn-around chamber
The second tooth roller that tooth roller is cooperatively connected is fixed with the first transmission in second steering shaft in second turn-around chamber
It takes turns, is fixed with the first motor in inner wall on the right side of second turn-around chamber, the first motor left end face has been connected by power position
The second driving wheel in second turn-around chamber passes through between upper and lower two first driving wheels and second driving wheel
It is driven V belt translation to be cooperatively connected, bilateral symmetry and symmetrical above and below is provided with third turn-around chamber, two institutes in left and right in the turning sleeve
It states to be rotatably assorted between third turn-around chamber and third steering shaft is installed, be fixed in the third steering shaft positioned at the third
The first taper wheel in turn-around chamber, the slot of installing are symmetrically set with recess in the end wall of the third turn-around chamber
Slot, pushing plate is smoothly equipped in the recessed groove, and the recessed groove is equipped with second in the end wall of the third turn-around chamber
Sliding slot is smoothly equipped with the second sliding block in the second sliding slot, and second sliding block is fixed by linking arm and the pushing plate
Connection, second sliding block are equipped with the screw hole of oral area inwardly, are fitted with screw rod, the screw rod medial expansion in the screw hole
End is protruded into the third turn-around chamber and medial expansion tail end is fixed with the second cone being cooperatively connected with the first taper wheel
Cincture.
2. a kind of underground communication tubing environment-friendly PVC solid-wall pipe according to claim 1, it is characterised in that: described turn
The internal stretching, extension up and down in set right side is provided with the 4th turn-around chamber, stretching, extension tail end protrudes into institute on the right side of upper and lower two third steering shafts
It states in the 4th turn-around chamber and right side stretching, extension tail end is fixed with third tooth roller, fixation is set in the 4th turn-around chamber inner left wall
There is the second motor, the second motor left end face is connected by power the to be cooperatively connected with the upper and lower two third tooth rollers
Four tooth rollers.
3. a kind of underground communication tubing environment-friendly PVC solid-wall pipe according to claim 1, it is characterised in that: described turn
It is fixed with cleaning cotton on the end face of the close recessed groove of frame, is fixed on end face of the bogie far from the cleaning cotton
Equipped with polishing item.
4. a kind of underground communication tubing environment-friendly PVC solid-wall pipe according to claim 1, it is characterised in that: described
One turn-around chamber is fixed with lock teeth portion in the end wall far from second tooth roller.
5. a kind of underground communication tubing environment-friendly PVC solid-wall pipe according to claim 1, it is characterised in that: described
It is equipped in one sliding slot inward bottom wall and installs hole, it is described to install the tension spring for being equipped in hole and being fixedly connected with first sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810904959.6A CN109048552A (en) | 2018-08-09 | 2018-08-09 | A kind of underground communication tubing environment-friendly PVC solid-wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810904959.6A CN109048552A (en) | 2018-08-09 | 2018-08-09 | A kind of underground communication tubing environment-friendly PVC solid-wall pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109048552A true CN109048552A (en) | 2018-12-21 |
Family
ID=64683161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810904959.6A Withdrawn CN109048552A (en) | 2018-08-09 | 2018-08-09 | A kind of underground communication tubing environment-friendly PVC solid-wall pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109048552A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009241A (en) * | 2017-05-18 | 2017-08-04 | 南安市蒂巧工艺品有限公司 | It is a kind of to be used for polish building stone and the sander with unilateral chamfering polishing function |
| CN107030582A (en) * | 2017-03-17 | 2017-08-11 | 广州犀鸟工业设计有限公司 | It is a kind of to be used for the burnishing device after welding |
| CN206464929U (en) * | 2016-12-23 | 2017-09-05 | 彦海涛 | A kind of stone mill in stone machining equipment for stone of polishing |
| CN107971849A (en) * | 2017-12-12 | 2018-05-01 | 陈军 | A kind of novel pipe fitting inwall processing device |
| CN108296942A (en) * | 2018-04-03 | 2018-07-20 | 江苏名乐地板有限公司 | Efficient plank grinding apparatus |
-
2018
- 2018-08-09 CN CN201810904959.6A patent/CN109048552A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206464929U (en) * | 2016-12-23 | 2017-09-05 | 彦海涛 | A kind of stone mill in stone machining equipment for stone of polishing |
| CN107030582A (en) * | 2017-03-17 | 2017-08-11 | 广州犀鸟工业设计有限公司 | It is a kind of to be used for the burnishing device after welding |
| CN107009241A (en) * | 2017-05-18 | 2017-08-04 | 南安市蒂巧工艺品有限公司 | It is a kind of to be used for polish building stone and the sander with unilateral chamfering polishing function |
| CN107971849A (en) * | 2017-12-12 | 2018-05-01 | 陈军 | A kind of novel pipe fitting inwall processing device |
| CN108296942A (en) * | 2018-04-03 | 2018-07-20 | 江苏名乐地板有限公司 | Efficient plank grinding apparatus |
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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: 20181221 |
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| WW01 | Invention patent application withdrawn after publication |