CN105666267B - A kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device - Google Patents
A kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device Download PDFInfo
- Publication number
- CN105666267B CN105666267B CN201610068245.7A CN201610068245A CN105666267B CN 105666267 B CN105666267 B CN 105666267B CN 201610068245 A CN201610068245 A CN 201610068245A CN 105666267 B CN105666267 B CN 105666267B
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- power transmission
- transmission shaft
- emery wheel
- driving snake
- wheel
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Classifications
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- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
-
- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/017—Devices or means for dressing, cleaning or otherwise conditioning lapping tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The present invention relates to metal pipe material process equipment field, specifically a kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device, with emery wheel, emery wheel is connected with power transmission shaft by grinding wheel spindle, power transmission shaft is connected by driving snake with output motor, several are set with driving snake is used for the flexible axle sleeve pipe that stable drive flexible axle is shaken, the compensation mechanism being provided with support sleeve, the outer wall of the support sleeve for stablizing wheel grinding pressure is equipped with by bearing holder (housing, cover) on the power transmission shaft；This invention ensures that to the stability of pipe material inner wall reconditioning process, improving operating efficiency, the flexibility of reconditioning work is enhanced, is had a good application prospect.
Description
Technical field
The present invention relates to metal pipe material process equipment field, specifically a kind of high accuracy with self-compensating pressure device
Metal tube inner circle mill apparatus.
Background technology
Metallurgical industry seamless steel pipe inner circle grind equipment in, it is common to use be motor drive a major axis, by major axis
Emery wheel rotation is driven to put in pipe material inner wall, major axis is axially moved along tubing and realizes pipe material inner wall reconditioning.
In existing inner circle mill apparatus, emery wheel enters inside tubing to inwall reconditioning, after a period of time, due to worked
Abrasion can cause grinding wheel diameter to diminish in journey, further increase as emery wheel enters tubing internal depth, in diameter itself gradually
Under the influence of diminution, major axis can not realize the adjustment to wheel grinding pressure and control so that reconditioning effect is not good.
On the other hand, for the larger tubing of internal diameter, currently it can only will also be ground as power transmission shaft using rigid long axis
Pressure transmission is cut to emery wheel.In addition, for the longer tubing of length（Generally more than six meters）, it may appear that emery wheel enters tubing
Behind two meters or so of inner chamber, the pressure of rigid long axis is difficult to effectively be transferred on emery wheel, and emery wheel is only capable of realizing by emery wheel deadweight
The pressure compensation reduced to work grinding wheel diameter, job stability is poor, it is necessary to multiple artificial weight during causing repairing mill
Newly it is adjusted, reduces operating efficiency.
The content of the invention
In order to solve problems of the prior art, the present invention provide one kind make reconditioning process working stability, high accuracy,
The efficient metal tube inner circle mill apparatus for carrying autocompensation installation.
The technical scheme is that：A kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device,
With emery wheel, emery wheel is connected with power transmission shaft by grinding wheel spindle, and power transmission shaft is connected by driving snake with output motor, driving snake
On be set with several and be used for the flexible axle sleeve pipe that stable drive flexible axle is shaken, support shaft is equipped with by bearing holder (housing, cover) on the power transmission shaft
Cover plate is provided with by bolt at set, support sleeve both ends open, wherein cover plate and flexible shaft protecting close to driving snake one end
Pipe is attached by screw thread；Automatic compensation machine for stablizing wheel grinding pressure is installed on the outer wall of the support sleeve
Structure, the compensation mechanism has the locating wheel group being made up of two locating wheels, and the both sides of locating wheel group are arranged with two
Two moveable combination of guide rod are respectively arranged with linking arm, each linking arm, each moveable combination of guide rod is located at the body of rod of linking arm and support sleeve
On be set with the position being located on compression spring, each linking arm between two moveable combination of guide rod and be set with bolt,
Bolt is locked on supporting sleeve outer wall by linking arm.
A kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device of the present invention, with sand
Wheel, emery wheel is connected with power transmission shaft by grinding wheel spindle, and power transmission shaft is connected by driving snake with output motor, is set with driving snake
There are several to be used on the flexible axle sleeve pipe that stable drive flexible axle is shaken, the power transmission shaft support sleeve, branch are housed by bearing holder (housing, cover)
Cover plate is provided with by bolt at support axle sleeve both ends open, wherein the cover plate close to driving snake one end passes through with flexible axle sleeve pipe
Screw thread is attached；Compensation mechanism for stablizing wheel grinding pressure is installed on the outer wall of support sleeve, it is described from
The locating wheel group that dynamic compensation mechanism is made up of two locating wheels, the both sides of locating wheel group are arranged with two linking arms, Mei Gelian
Connect arm on be respectively arranged with two guide rods；The position that the linking arm is located between two locating wheels is equipped with along transmission direction of principal axis and moved
Dynamic sliding block, the side of the sliding block towards emery wheel is hinged with connecting rod A, and connecting rod A bottom, which is fixed, to be hinged on support sleeve, sliding
The side of block towards driving snake is hinged with connecting rod B, and connecting rod B bottom is hinged with horizontal pen type cylinder, horizontal pen type cylinder with
There is Y connector, one end of Y connector is fixedly connected by screw thread with horizontal pen type cylinder between connecting rod B, Y shape connection
The other end of part is hinged with connecting rod B.
A kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device of the present invention, with sand
Wheel, emery wheel is connected with power transmission shaft by grinding wheel spindle, and power transmission shaft is connected by driving snake with output motor, is set with driving snake
There are several to be used on the flexible axle sleeve pipe that stable drive flexible axle is shaken, the power transmission shaft support sleeve, branch are housed by bearing holder (housing, cover)
Cover plate is provided with by bolt at support axle sleeve both ends open, wherein the cover plate close to driving snake one end passes through with flexible axle sleeve pipe
Screw thread is attached；The outer wall of support sleeve is provided with the compensation mechanism for being used for stablizing wheel grinding pressure；It is described automatic
Compensation mechanism has several cylinder bore opened inside support sleeve, and each cylinder bore openend is equipped with cylinder head, cylinder
Sealing shroud is equipped with piston rod in head, and one end that the piston rod is located in cylinder bore is provided with pilot seal piston, piston rod
The other end outside cylinder bore, which is installed with connecting plate, connecting plate, is equipped with locating wheel；Each cylinder bore
Passage is provided with hole wall, passage is connected with air pump device.
The thickness of emery wheel of the present invention is 40-80mm.
Using being threadedly coupled between grinding wheel spindle of the present invention and power transmission shaft, using soft between power transmission shaft and driving snake
Axle connection sleeve pipe is connected, and is connected between driving snake and motor output shaft using pin key, is led between several described flexible axle sleeve pipes
Cross before and after screw and be sequentially connected, the first from left right side of bearing one is symmetrically and fixedly mounted to power transmission shaft two ends.
Compared to traditional technical equipment, the advantage that the present invention possesses is：
1. the grinding force that emery wheel loses is compensated automatically using compensation mechanism, it is ensured that pipe material inner wall is repaiied
The stability of honed journey, improves operating efficiency and reconditioning precision；
2. using air cylinder structure in compensation mechanism, grinding force compensation rate can be entered according to real work needs
Row adjustment, improves the flexibility of reconditioning work；
3. degree of the disturbing bending that the rigid long axis in being rotated due to high speed is produced is difficult to eliminate, therefore in power transmission shaft and electricity
Connected between machine output shaft using driving snake, under the auxiliary of corollary equipment, major axis can be alleviated significantly because degree of disturbing produces bending
Phenomenon, further ensure the stability of work.
Brief description of the drawings
Fig. 1 is grinding force uncompensated state schematic diagram in the embodiment of the present invention 1；
Fig. 2 is grinding force uncompensated state sectional view in the embodiment of the present invention 1；
Fig. 3 is grinding force compensating coefficient schematic diagram in the embodiment of the present invention 1；
Fig. 4 is grinding force compensating coefficient sectional view in the embodiment of the present invention 1；
Fig. 5 is grinding force uncompensated state schematic diagram in the embodiment of the present invention 2；
Fig. 6 is grinding force uncompensated state sectional view in the embodiment of the present invention 2；
Fig. 7 is grinding force compensating coefficient schematic diagram in the embodiment of the present invention 2；
Fig. 8 is grinding force compensating coefficient sectional view in the embodiment of the present invention 2；
Fig. 9 is grinding force uncompensated state schematic diagram in the embodiment of the present invention 3；
Figure 10 is grinding force uncompensated state sectional view in the embodiment of the present invention 3；
Figure 11 is grinding force compensating coefficient schematic diagram in the embodiment of the present invention 3；
Figure 12 is grinding force compensating coefficient sectional view in the embodiment of the present invention 3.
In figure, 1- emery wheels, 2- grinding wheel spindles, 3- power transmission shafts, 4- motor output shafts, 5- flexible-shaft coupling sleeve pipes, 6- driving snakes,
7- flexible axle sleeve pipes, 8- support sleeves, 9- cover plates, 10- bearings, 11- compensation mechanisms, 12- locating wheels, 13- linking arms, 14-
Bolt, 15- moveable combination of guide rod, 16- compression springs, 17- metal tube workpieces, 18- guide rods, 19- sliding blocks, 20- connecting rods A, 21-
The horizontal pen type cylinders of connecting rod B, 22-, 23-Y shape connectors, 24- cylinder bore, 25- cylinder heads, 26- piston rods, 27- pilot seals
Piston, 28- connecting plates, 29- passages.
Embodiment
Embodiment 1
In the present embodiment, such as Fig. 1, a kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device, tool
There is the emery wheel 1 that thickness is 40mm（When the thickness of emery wheel 1 is less than 40mm, reconditioning effect is poor）, emery wheel 1 pass through the screw thread of grinding wheel spindle 2 connect
Power transmission shaft 3 is connected to, to ensure stability of the power transmission shaft 3 in rotary course, by soft between power transmission shaft 3 and motor output shaft 4
Axle connection sleeve pipe 5 is connected using driving snake 6, is connected wherein between driving snake 6 and motor output shaft 4 using pin key, is being passed
Several flexible axle sleeve pipes 7 are also set with dynamic flexible axle 6, when driving snake 6 is shaken because of rotation, to pass through extraneous strength
Fixed flexible axle sleeve pipe 7 uses threaded connection to eliminate between the shake of driving snake 6, adjacent flexible axle sleeve pipe 7；In addition, passing
It is set with moving axis 3 at support sleeve 8, the both ends open of support sleeve 8 and cover plate 9 is provided with by bolt, wherein close to transmission
The cover plate 9 of the one end of flexible axle 6 is attached with flexible axle sleeve pipe 7 by screw thread；Bearing 10 is also equipped with the two ends of power transmission shaft 3, to protect
Demonstrate,prove in the rotary course of power transmission shaft 3, power transmission shaft 3 keeps rotating coaxially with support sleeve 8.
In the present embodiment, the side of the outer wall of support sleeve 8 is provided with the automatic compensation machine for adjusting the grinding force of emery wheel 1
Structure 11, the compensation mechanism has two locating wheels 12 arranged with the radial symmetric of power transmission shaft 3, and the both sides of locating wheel 12 are symmetrical
Provided with two linking arms 13, a bolt 14 and two activities are mounted between each linking arm 13 and support sleeve 8
One end activity of guide rod 15, bolt 14 and moveable combination of guide rod 15 passes through linking arm 13, and the other end screw thread of bolt 14 is consolidated
It is scheduled on support sleeve 8, the other end of moveable combination of guide rod 15 is weldingly fixed on support sleeve 8, in addition, in each moveable combination of guide rod 15
Also it is set with compression spring 16.
In the present embodiment, its course of work is：After emery wheel 1 enters the inner chamber of metal tube workpiece 17, locating wheel 12 and metal
The inwall contact of tube workpiece 17 compresses compression spring 16, and in the grinding loss of emery wheel 1, the external diameter of emery wheel 1 is tapered into, in pressure
Under the reaction force of contracting spring 16 so that support sleeve 8 is driven power transmission shaft 3 and grinding wheel spindle 2 also to push by lower pressure relative displacement
Displacement is compensated, so as to reach that emery wheel 1 is constantly in by the state for pushing balancing force effect, the pin of emery wheel 1 is ground pressure stability,
Keep the Effec-tive Function of the whole honed journey of metal tube workpiece inner circle.
In addition, being protection driving snake 6, motor needs low-speed running, and ensures that the operation torque of motor is no more than 40N
M, driving snake 6 in operation process, it is possible that shake phenomenon, when shaking, can by extraneous strength, reduction or
Eliminate the shake of driving snake 6.
Embodiment 2：
In the present embodiment, such as Fig. 2, sand in a kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device
Attachment structure and reality between wheel 1, power transmission shaft 3, driving snake 6, bearing 10, support sleeve 8, flexible axle sleeve pipe 7 and each position
Apply identical in example 1, the thickness of its medium plain emery wheel 1 is 60mm.
In the present embodiment, the side of the outer wall of support sleeve 8 is provided with the automatic compensation machine for adjusting the grinding force of emery wheel 1
Structure 11, the compensation mechanism 11 has two locating wheels 12 arranged with the radial symmetric of power transmission shaft 3, the both sides pair of locating wheel 12
Claim to be provided with two linking arms 13, each linking arm 13 and be respectively arranged with two guide rods 18, the linking arm 13, which is located at two, to be determined
Position between position wheel 12 is equipped with the sliding block 19 moved along the direction of power transmission shaft 3, and the side of sliding block 19 towards the emery wheel 1 is hinged with
Connecting rod A20, connecting rod A20 bottom are fixed and are hinged on support sleeve 8, and the side of sliding block 19 towards driving snake 6 is hinged with company
Bar B21, connecting rod B21 bottom are hinged with horizontal pen type cylinder 22, between horizontal pen type cylinder 22 and connecting rod B21 there is Y shape to connect
Fitting 23, one end of Y connector 23 is fixedly connected by screw thread with horizontal pen type cylinder 22, the other end of Y connector 23
It is hinged with connecting rod B21.
In the present embodiment, its course of work is：After emery wheel 1 enters in metal tube workpiece 17, horizontal pen type cylinder 22 is lived
Stopper rod stress is ejected, by connecting rod principle, linking arm 13 by upward power cause locating wheel 12 and the inwall of metal tube workpiece 17 by
Power is contacted.Impaired in the grinding of grinding process medium plain emery wheel 1, external diameter diminishes, and keeps the horizontal piston rod jacking force of pen type cylinder 22 constant,
So that relative displacement occurs for connecting rod A20 and connecting rod B21, and then support sleeve 8 is pushed compensation displacement, so as to drive grinding wheel spindle 2
Also compensation displacement is pushed, lower pressure and displacement that an emery wheel 1 compensates automatically is reached.
In addition, being protection driving snake 6, motor needs low-speed running, and ensures that the operation torque of motor is no more than 40N
M, driving snake 6 in operation process, it is possible that shake phenomenon, when shaking, can by extraneous strength, reduction or
Eliminate the shake of driving snake 6.
Embodiment 3：
In the present embodiment, such as Fig. 3, sand in a kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device
Attachment structure between wheel 1, power transmission shaft 3, bearing 10, driving snake 6, flexible axle sleeve pipe 7 and each position and phase in embodiment 1
Together, the thickness of its medium plain emery wheel 1 is 80mm（When the thickness of emery wheel 1 is more than 80mm, the operation torque of motor is difficult to drive emery wheel 1 normal
Work）.
In the present embodiment, the position that support sleeve 8 is internally located at the both sides of power transmission shaft 3 is symmetrically provided with four cylinder bore 24,
Each openend of cylinder bore 24 is equipped with sealing shroud in cylinder head 25, cylinder head 25 and piston rod 26 is housed, and the piston rod 26 is located at gas
One end in cylinder barrel hole 24 is provided with pilot seal piston 27, and the other end that piston rod 26 is located at outside cylinder bore 24 is fixedly mounted
Have and locating wheel 12 is housed on connecting plate 28, connecting plate 28；The bottom of each cylinder bore 24 is also provided with passage 29, connection
There is air pump device, pass through the aeration status in solenoid valve control cylinder bore 24 between passage 29 and air pump device.
In the present embodiment, its course of work is：Emery wheel 1 enters behind the inner chamber of metal tube workpiece 17, passage ventilation so that gas
The air pressure inside increase of cylinder barrel hole 24, pilot seal piston 27 is promoted piston rod 26 to shift up by air pressure, and pushing tow locating wheel 12
Contacted with the inwall of metal tube workpiece 17；When emery wheel 1 worn and torn in grinding process external diameter become it is small when, pilot seal piston 27 is by air pressure
Reaction force, in the presence of locating wheel 12 and piston rod 26, makes support sleeve 8 to bottom offset, and passes to emery wheel 1, reaches
Emery wheel 1 compensates the effect of displacement automatically.
In addition, being protection driving snake 6, motor needs low-speed running, and ensures that the operation torque of motor is no more than 40N
M, driving snake 6 in operation process, it is possible that shake phenomenon, when shaking, can by extraneous strength, reduction or
Eliminate the shake of driving snake 6.
Claims (8)
1. a kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device, with emery wheel, emery wheel passes through emery wheel
Axle is connected with power transmission shaft, it is characterised in that：Power transmission shaft is connected by driving snake with output motor, if being set with driving snake
Support sleeve is set with the dry flexible axle sleeve pipe shaken for stable drive flexible axle, the power transmission shaft, the support sleeve
Compensation mechanism for stablizing wheel grinding pressure is installed on outer wall；The compensation mechanism has by two positioning
The locating wheel group of composition is taken turns, the both sides of locating wheel group are arranged with two linking arms, each linking arm two activities that are respectively arranged with
Guide rod, each moveable combination of guide rod, which is located on the body of rod of linking arm and support sleeve, is set with compression spring, each linking arm
The upper position being located between two moveable combination of guide rod is set with bolt, and bolt is locked in outside supporting sleeve by linking arm
On wall.
2. a kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device, with emery wheel, emery wheel passes through emery wheel
Axle is connected with power transmission shaft, it is characterised in that：Power transmission shaft is connected by driving snake with output motor, if being set with driving snake
Support sleeve, the outer wall of support sleeve are set with the dry flexible axle sleeve pipe shaken for stable drive flexible axle, the power transmission shaft
On compensation mechanism for stablizing wheel grinding pressure is installed；The compensation mechanism is made up of two locating wheels
Locating wheel group, the both sides of locating wheel group, which are arranged with two linking arms, each linking arm, is respectively arranged with two guide rods；It is described
The position that linking arm is located between two locating wheels is equipped with the sliding block moved along transmission direction of principal axis, the sliding block towards emery wheel one
Side is hinged with connecting rod A, and connecting rod A bottom, which is fixed, to be hinged on support sleeve, and the side of sliding block towards driving snake is hinged with company
Bar B, connecting rod B bottom are hinged with horizontal pen type cylinder.
3. a kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device according to claim 2, its
It is characterised by：There is Y connector between the horizontal pen type cylinder and connecting rod B, one end of Y connector by screw thread with it is sleeping
Formula pen type cylinder is fixedly connected, and the other end and the connecting rod B of Y connector are hinged.
4. a kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device, with emery wheel, emery wheel passes through emery wheel
Axle is connected with power transmission shaft, it is characterised in that：Power transmission shaft is connected by driving snake with output motor, if being set with driving snake
Support sleeve, the outer wall of support sleeve are set with the dry flexible axle sleeve pipe shaken for stable drive flexible axle, the power transmission shaft
It is provided with the compensation mechanism for being used for stablizing wheel grinding pressure；The compensation mechanism has the institute inside support sleeve
Several cylinder bore opened, each cylinder bore openend is equipped with sealing shroud in cylinder head, cylinder head and piston rod, the piston is housed
One end that bar is located in cylinder bore is provided with pilot seal piston, and the other end that piston rod is located at outside cylinder bore is fixedly mounted
Have and locating wheel is housed on connecting plate, connecting plate；Passage is provided with the hole wall of each cylinder bore, passage is connected with gas
Pump installation.
5. a kind of high-precision metal pipe inner circle mill dress with self-compensating pressure device according to claim 1 or 2 or 4
Put, it is characterised in that：Cover plate is provided with by bolt at the support sleeve both ends open, wherein close to driving snake one end
Cover plate be attached with flexible axle sleeve pipe by screw thread.
6. a kind of high-precision metal pipe inner circle mill dress with self-compensating pressure device according to claim 1 or 2 or 4
Put, it is characterised in that：The thickness of the emery wheel is 40-80mm.
7. a kind of high-precision metal pipe inner circle mill dress with self-compensating pressure device according to claim 1 or 2 or 4
Put, it is characterised in that：Bearing, the right symmetrical fixed installation of described the first from left of bearing one are installed between the power transmission shaft and supporting sleeve
At power transmission shaft two ends.
8. a kind of high-precision metal pipe inner circle mill dress with self-compensating pressure device according to claim 1 or 2 or 4
Put, it is characterised in that：Using being threadedly coupled between the grinding wheel spindle and power transmission shaft, flexible axle is used between power transmission shaft and driving snake
Sleeve pipe connection, is connected between driving snake and motor output shaft using pin key, and tightening is passed through between several described flexible axle sleeve pipes
It is sequentially connected before and after screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610068245.7A CN105666267B (en) | 2016-02-01 | 2016-02-01 | A kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610068245.7A CN105666267B (en) | 2016-02-01 | 2016-02-01 | A kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device |
Publications (2)
| Publication Number | Publication Date |
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| CN105666267A CN105666267A (en) | 2016-06-15 |
| CN105666267B true CN105666267B (en) | 2017-10-24 |
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| CN201610068245.7A Active CN105666267B (en) | 2016-02-01 | 2016-02-01 | A kind of high-precision metal pipe inner circle mill apparatus with self-compensating pressure device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312710A (en) * | 2016-08-29 | 2017-01-11 | 芜湖银星汽车零部件有限公司 | Aluminum pipe inner wall polishing device |
| CN107309726B (en) * | 2017-08-14 | 2024-06-25 | 海盐孚邦机械有限公司 | Semi-automatic end face grinding machine for plunger sleeve production |
| CN109458403B (en) * | 2018-12-27 | 2023-10-03 | 山东钢铁股份有限公司 | Compensation type connecting shaft length stabilizing device |
| CN110342310B (en) * | 2019-07-11 | 2024-03-19 | 徐州大屯工贸实业有限公司 | Polyurethane rubber plate conveying device capable of realizing automatic compensation after abrasion |
| CN112917254A (en) * | 2021-02-09 | 2021-06-08 | 成都大学 | Compensation device for stress deformation of grinding wheel spindle of screw tap thread grinding machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2858610B2 (en) * | 1992-11-11 | 1999-02-17 | 三菱重工業株式会社 | Pipe inner surface grinding device |
| CN103433846B (en) * | 2013-09-05 | 2017-07-07 | 上海电气集团股份有限公司 | Adapt to the inner-walls of duct reconditioning operation remote control equipment of caliber on a large scale |
| CN103506903B (en) * | 2013-10-30 | 2015-09-30 | 江苏乐基重工机械有限公司 | Inside pipe wall grinding-polishing device |
| CN104589166B (en) * | 2015-01-29 | 2017-08-25 | 新兴河北工程技术有限公司 | Grinding machine in a kind of ductile iron pipe cement lining |
| CN205380526U (en) * | 2016-02-01 | 2016-07-13 | 黄石成大精密机械制造有限公司 | Circle grinds device in high accuracy tubular metal resonator with pressure automatic compensating device |
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2016
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