CN111702603B - Pipe fitting inner wall polisher - Google Patents
Pipe fitting inner wall polisher Download PDFInfo
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- CN111702603B CN111702603B CN202010619678.3A CN202010619678A CN111702603B CN 111702603 B CN111702603 B CN 111702603B CN 202010619678 A CN202010619678 A CN 202010619678A CN 111702603 B CN111702603 B CN 111702603B
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- support frame
- support
- bracket
- magnets
- circular ring
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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
- 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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a pipe fitting inner wall grinding machine, which belongs to the technical field of pipe fitting grinding equipment and comprises an outer rotating support, an inner support frame, a motor and a drill bit; the outer rotating bracket comprises a first bracket and a second bracket which are connected through a rotating shaft, and a first magnet and a first ball are arranged on the first bracket and the second bracket respectively; the inner support frame is provided with support legs, a first support frame and a second support frame, the first support frame and the second support frame are both provided with second balls and second magnets, the first magnets and the second magnets are oppositely arranged and are connected through magnetic force, the motor is arranged between the first support frame and the second support frame, and the drill bit is connected with the motor; the bottom of the supporting leg is provided with a universal wheel, and the length of the supporting leg can be adjusted. This pipe fitting inner wall polisher, through handheld outer runing rest's pivot, can control the position of inner support in the pipe fitting, polishes the internal turn-ups, convenient to use, the application of force of being convenient for, stable in structure.
Description
The scheme is a divisional application which is carried out by taking an invention patent with the application date of 2019-09-30, the application number of 201910938912.6 and the name of 'an inner flanging grinding machine' as a parent.
Technical Field
The invention belongs to the technical field of pipe fitting polishing equipment, and particularly relates to a pipe fitting inner wall polishing machine.
Background
The plastic solid wall pipe has the advantages of corrosion resistance, tensile resistance, smooth surface, long service life and the like, is a pipe which is widely applied in water supply, drainage, gas, heat, electric power and telecommunication engineering at present, and can be used as a pressure flow pipe, a gravity flow pipe and the like. In the use process, the pipes are connected with the pipes or the pipe fittings in a hot melting connection mode. Hot melt joining refers to heating the pipe fitting at the joint with a special tool to melt it, then joining the two melt surfaces together, holding under pressure for a period of time until the joint cools. The hot melting connection utilizes the connection of the pipe and the pipe or the pipe fitting, the connection is quick and convenient, the cost is low, and the base of the joint is firm. But the mode that uses hot melt to connect also has certain drawback, and the junction can produce inside and outside turn-ups ( limit), and the flanging is got rid of comparatively easily, uses conventional grinding device can, and the inside turn-ups is then difficult to be got rid of. The inner flanging reduces the drift diameter of the pipeline, the overflowing capacity of the pipeline in the using process can be affected, scale and dirt accumulation is easily caused in the water supply and drainage pipeline, microorganisms are bred and propagated, and after a large amount of dirt is accumulated, the overflowing section can be obviously reduced, and the flow of the pipe fitting is affected.
The Chinese patent with application number 201710659021.8 discloses an inner flanging cutting machine, which comprises a movable cutting device arranged in a pipeline and an operation device arranged outside the pipeline and capable of controlling the movement of the cutting device; the cutting device comprises a support frame, a cutting machine and a magnetic base, the cutting machine and the magnetic base are arranged on the support frame, the control device comprises a handle, and a positioning magnetic block magnetically connected with the magnetic base is arranged on the handle. The invention is convenient to control, and can control the cutting machine to move and cut outside through the strong magnetic coupling positioning connection. Compared with the traditional inner flanging cutting machine, the inner flanging cutting machine provided by the invention can control cutting outside a pipe fitting, is more flexible and convenient to use, but is more complicated in adjusting the length of the supporting arm because the magnetic base and the cutting machine are respectively positioned at two ends of the diameter of the pipeline and a plurality of supporting arms are required to be arranged in a matching way, and has the problems that when a motor is large, the diagonal arrangement is adopted, the gravity is large, rapid cutting is inconvenient to carry out manually, and the fracture of a connecting part is easily caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problems to be solved by the invention are as follows: the pipe fitting inner wall grinding machine is labor-saving and convenient to manually control.
In order to solve the technical problems, the invention adopts the technical scheme that: a pipe fitting inner wall grinding machine comprises an outer rotary support, an inner support frame, a motor and a drill bit;
the outer rotating support comprises a first support and a second support, the first support and the second support are connected through a rotating shaft, and the first support and the second support are respectively provided with 3 first magnets and 4 first balls;
the drill bit is characterized in that support legs, a first support frame and a second support frame are arranged on the inner support frame, 4 second balls and 3 second magnets are arranged on the first support frame and the second support frame respectively, the first support frame and the first support frame are arranged oppositely, the second support frame and the second support frame are arranged oppositely, the first magnets and the second magnets are arranged oppositely and are connected through magnetic force, the motor is arranged between the first support frame and the second support frame, and the drill bit is connected with the motor; the bottom of the supporting leg is provided with a universal wheel;
the drill comprises a cylindrical base and three blades, the blades are arranged along the periphery of the base, the length of each blade is equal to that of the base, and an included angle between the blades is 120 degrees;
and push rods are arranged at the joints of the support legs and the inner support frame.
The invention has the beneficial effects that: the pipe inner wall grinding machine provided by the invention has the advantages that the position of the inner support in the pipe can be controlled by arranging the outer rotating support and the inner support frame and further controlling the position of the motor to grind the inner flanging by holding the rotating shaft of the outer rotating support by hand, the structure of the outer rotating support and the structure of the inner support frame are fixed in the using process, the adjustment is not needed, the use is convenient, the motor is close to the holding position and is matched with the arrangement of the first ball and the second ball, the force application is convenient, the structure of the magnetic connection of the outer rotating support and the inner support frame is stable, the breakage or the force application difficulty caused by the large weight of the motor are not easy to occur, the pipe inner wall grinding machine is simple in structure, the supporting structure and.
Drawings
FIG. 1 is a schematic structural diagram of a pipe inner wall grinding machine according to an embodiment of the present invention;
FIG. 2 is a side view of a pipe inner wall sander according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a pipe inner wall sander according to an embodiment of the present invention applied to a pipe;
FIG. 4 is a front view of a pipe inner wall sander according to an embodiment of the present invention applied to a pipe;
description of reference numerals: 1. an outer rotating bracket; 11. a first bracket; 111. a first support arm; 112. a second support arm; 113. a base; 12. a second bracket; 13. a rotating shaft; 14. a first magnet; 15. a first ball bearing;
2. an inner support frame; 21. a support leg; 22. a first support frame; 23. a second support frame; 24. a first circular ring; 25. a second circular ring; 26. a first connecting rod; 27. a second connecting rod; 28. a second ball bearing; 29. a second magnet;
3. a motor;
4. a drill bit; 41. a base; 42. a blade; 5. a pipe fitting.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: through setting up the outer runing rest including first support and second support, make first support and second support respectively with the first support frame and the cooperation of second support frame of inner support frame, make the drill bit be close to outer runing rest, avoid the problem that the manual quick cutting of being convenient for that electric drill gravity caused.
Referring to fig. 1 to 4, the pipe inner wall grinding machine of the present invention includes an outer rotary bracket 1, an inner support bracket 2, a motor 3 and a drill 4;
the outer rotating bracket 1 comprises a first bracket 11 and a second bracket 12, the first bracket 11 and the second bracket 12 are connected through a rotating shaft 13, and a first magnet 14 and a first ball 15 are arranged on each of the first bracket 11 and the second bracket 12;
the inner support frame 2 is provided with support legs 21, a first support frame 22 and a second support frame 23, the first support frame 22 and the second support frame 23 are respectively provided with a second ball 28 and a second magnet 29, the first support frame 11 and the first support frame 22 are oppositely arranged, the second support frame 12 and the second support frame 23 are oppositely arranged, the first magnet 14 and the second magnet 29 are oppositely arranged and are connected through magnetic force, the motor 3 is arranged between the first support frame 22 and the second support frame 23, and the drill bit 4 is connected with the motor 3; the bottom of the supporting leg 21 is provided with a universal wheel, and the length of the supporting leg 21 can be adjusted.
The working principle of the invention is as follows: when the device is used, the motor 3 is connected with the inner support frame 2, the inner support frame 2 is placed in the pipe fitting 5 to be polished, the second balls 28 of the first support frame 22 and the second support frame 23 are tightly attached to the inner wall of the pipe fitting 5, the length of the support legs 21 is adjusted, the universal wheels of the support legs 21 are contacted with the inner wall of the pipe fitting 5, the inner support frame 2 is pushed into an inner flanging position, the outer rotating support 1 is placed on the outer side of the pipe fitting 5, the first support 11 and the first support frame 22 are oppositely arranged, the second support 12 and the second support frame 23 are oppositely arranged, the first balls 15 of the outer rotating support 1 are tightly attached to the outer wall of the pipe fitting 5, meanwhile, the first magnet 14 and the second magnet 29 are used for connecting the outer rotating support 1 and the inner support frame 2 together through magnetic force, the motor 3 is started, the rotating shaft 13 of the outer rotating support 1 is held by hands, and then polish the inside turn-ups, close motor 3 after polishing the completion, shift out pipe fitting 5 with inner support frame 2 through pulling outer runing rest 1, also can take off outer runing rest 1 after, directly shift out inner support frame 2 from the pipe fitting 5 in, can specifically be according to the outside space condition, pipe fitting 5 size, turn-ups department apart from the distance of export etc. factor integrated consideration.
From the above description, the beneficial effects of the present invention are: the pipe inner wall grinding machine provided by the invention has the advantages that the position of the inner support in the pipe can be controlled by arranging the outer rotating support and the inner support frame and further controlling the position of the motor to grind the inner flanging by holding the rotating shaft of the outer rotating support by hand, the structure of the outer rotating support and the structure of the inner support frame are fixed in the using process, the adjustment is not needed, the use is convenient, the motor is close to the holding position and is matched with the arrangement of the first ball and the second ball, the force application is convenient, the structure of the magnetic connection of the outer rotating support and the inner support frame is stable, the breakage or the force application difficulty caused by the large weight of the motor are not easy to occur, the pipe inner wall grinding machine is simple in structure, the supporting structure and.
Further, the first support 11 and the second support 12 have the same structure and size, and an included angle between the first support 11 and the second support 12 is 120 degrees;
the first support 11 comprises a first support arm 111, a second support arm 112 and a base 113, two ends of the upper bottom surface of the base 113 are respectively welded with the first support arm 111 and the second support arm 112, two ends of the lower bottom surface of the base 113 are respectively provided with at least one first ball 15, and at least one first magnet 14 is arranged between the first balls 15 in parallel.
Further, through holes are formed at the ends of the first support arm 111 and the second support arm 112, which are not connected to the base 113.
It can be known from the above description, through setting up the contained angle between first support and the second support to 120, can promote the stability of outer runing rest in the removal in-process, the operating personnel manual pulling pivot of being convenient for, the position of control outer runing rest, and then the position of control electric drill. Through setting up the through-hole, can pass the pivot from the through-hole, and then link together first support and second support.
Further, the inner support frame 2 comprises a first ring 24 and a second ring 25, the first ring 24 and the second ring 25 are respectively provided with a first connecting rod 26, a second connecting rod 27 and a supporting leg 21, the included angles between the two connecting rods and the supporting leg 21 are 120 °, two ends of the first support frame 22 are respectively connected with the first connecting rods 26 of the first ring 24 and the second ring 25, and two ends of the second support frame 23 are respectively connected with the second connecting rods 27 of the first ring 24 and the second ring 25;
the first support frame 22 and the second support frame 23 have the same structure and size, the two ends of the upper bottom surface of the first support frame 22 are respectively provided with a second ball 28, and a plurality of second magnets 29 are arranged between the second balls 28 in parallel.
From the above description, through setting up first ring and second ring, can be fixed in first ring and second ring with the both ends of motor (the ring can set up to half staple bolt structure), the contained angle of two connecting rods and a foot spare is 120 for being, make first support frame and second support frame can set up with first support arm and second support arm relatively, form stable structure of polishing, and only need adjust the height of 2 stabilizer blades at most in the use, it is more convenient to adjust.
Further, the drill 4 comprises a cylindrical base 41 and three blades 42, the blades 42 are arranged along the periphery of the base 41, the length of the blades 42 is the same as that of the base 41, and the included angle between the blades 42 is 120 °.
From the above description, when the motor rotates fast, drive the columniform basal portion and rotate, and then drive three blade rotations, compare in single blade and polish, the speed of polishing is faster, and the face of polishing is more smooth.
Further, a push rod is arranged at the joint of the supporting leg 21 and the inner supporting frame 2.
As can be seen from the above description, by providing the push rod, it is convenient to quickly push the pipe inner wall grinding machine into the pipe or pull the pipe out of the pipe.
Example 1:
the pipe fitting inner wall grinding machine comprises an outer rotary bracket 1, an inner support bracket 2, a motor 3 and a drill bit 4;
the outer rotating bracket 1 comprises a first bracket 11 and a second bracket 12, the first bracket 11 and the second bracket 12 have the same structure and size, and the included angle between the first bracket 11 and the second bracket 12 is 120 degrees;
the first support 11 comprises a first support arm 111, a second support arm 112 and a base 113, two ends of the upper bottom surface of the base 113 are respectively welded with the first support arm 111 and the second support arm 112, two ends of the lower bottom surface of the base 113 are respectively provided with 2 first balls 15, and 3 first magnets 14 are arranged between the first balls 15 in parallel;
the ends of the first support arm 111 and the second support arm 112, which are not connected with the base 113, are provided with through holes, and the rotating shaft 13 respectively penetrates through the through holes of the first support arm 111 and the second support arm 112 of the first support 11 and the second support 12 to connect the first support 11 and the second support 12;
the inner support frame 2 comprises a first circular ring 24, a second circular ring 25, a first support frame 22 and a second support frame 23, the first support frame 22 and the second support frame 23 are identical in structure and size, a first connecting rod 26, a second connecting rod 27 and a supporting leg 21 are arranged on each of the first circular ring 24 and the second circular ring 25, included angles between the two connecting rods and the supporting leg 21 are 120 degrees, two ends of the first support frame 22 are respectively connected with the first connecting rods 26 of the first circular ring 24 and the second circular ring 25, and two ends of the second support frame 23 are respectively connected with the second connecting rods 27 of the first circular ring 24 and the second circular ring 25;
two ends of the upper bottom surface of the first support frame 22 are respectively provided with 2 second balls 28, and 3 second magnets 29 are arranged between the second balls 28 in parallel; the bottom of the supporting leg 21 is provided with a universal wheel, and the length of the supporting leg 21 is adjustable;
the drill bit comprises a first support 11, a first support frame 22, a second support 12, a second support frame 23, a first magnet 14, a second magnet 29, a motor 3 and a drill bit 4, wherein the first support 11 and the first support frame 22 are arranged oppositely, the second support frame 12 and the second support frame 23 are arranged oppositely, the first magnet 14 and the second magnet 29 are arranged oppositely and are connected through magnetic force, the motor 3 is arranged between the first support frame 22 and the second support frame 23, and the drill bit 4.
Example 2 is:
a pipe fitting inner wall grinding machine comprises an outer rotary bracket 1, an inner support bracket 2, a motor 3 and a drill bit 4;
the outer rotating bracket 1 comprises a first bracket 11 and a second bracket 12, the first bracket 11 and the second bracket 12 are connected through a rotating shaft 13, and a first magnet 14 and a first ball 15 are arranged on each of the first bracket 11 and the second bracket 12;
the inner support frame 2 is provided with support legs 21, a first support frame 22 and a second support frame 23, the first support frame 22 and the second support frame 23 are respectively provided with a second ball 28 and a second magnet 29, the first support frame 11 and the first support frame 22 are oppositely arranged, the second support frame 12 and the second support frame 23 are oppositely arranged, the first magnet 14 and the second magnet 29 are oppositely arranged and are connected through magnetic force, the motor 3 is arranged between the first support frame 22 and the second support frame 23, and the drill bit 4 is connected with the motor 3; the bottom of the supporting leg 21 is provided with a universal wheel, and the length of the supporting leg 21 is adjustable;
the first bracket 11 and the second bracket 12 have the same structure and size, and the included angle between the first bracket 11 and the second bracket 12 is 120 degrees;
the first support 11 comprises a first support arm 111, a second support arm 112 and a base 113, two ends of the upper bottom surface of the base 113 are respectively welded with the first support arm 111 and the second support arm 112, two ends of the lower bottom surface of the base 113 are respectively provided with 1 first ball 15, and a plurality of first magnets 14 are arranged between the first balls 15 in parallel; through holes are formed in the ends, which are not connected with the base 113, of the first support arm 111 and the second support arm 112;
the inner support frame 2 further comprises a first circular ring 24, a second circular ring 25, a first support frame 22 and a second support frame 23, wherein the first circular ring 24 and the second circular ring 25 are respectively provided with a first connecting rod 26, a second connecting rod 27 and a supporting leg 21, the included angles between the two connecting rods and the supporting leg 21 are 120 degrees, two ends of the first support frame 22 are respectively connected with the first connecting rods 26 of the first circular ring 24 and the second circular ring 25, and two ends of the second support frame 23 are respectively connected with the second connecting rods 27 of the first circular ring 24 and the second circular ring 25;
the first support frame 22 and the second support frame 23 have the same structure and size, the two ends of the upper bottom surface of the first support frame 22 are respectively provided with a second ball 28, and a plurality of second magnets 29 are arranged between the second balls 28 in parallel;
the drill 4 comprises a cylindrical base 41 and three blades 42, the blades 42 are arranged along the periphery of the base 41, the length of each blade 42 is the same as that of the base 41, and the included angle between the blades 42 is 120 degrees;
wherein, a push rod is arranged at the joint of the supporting foot 21 and the inner supporting frame 2.
In summary, the pipe inner wall grinding machine provided by the invention has the advantages that the outer rotating support and the inner support frame are arranged, the position of the inner support frame in the pipe can be controlled by holding the rotating shaft of the outer rotating support by hand, and further the position of the motor can be controlled to grind the inner flanging.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (3)
1. A pipe fitting inner wall grinding machine is characterized by comprising an outer rotary bracket, an inner support bracket, a motor and a drill bit;
the outer rotating support comprises a first support and a second support, the first support and the second support are connected through a rotating shaft, and the first support and the second support are respectively provided with 3 first magnets and 4 first balls;
the drill bit is characterized in that support legs, a first support frame and a second support frame are arranged on the inner support frame, 4 second balls and 3 second magnets are arranged on the first support frame and the second support frame respectively, the first support frame and the first support frame are arranged oppositely, the second support frame and the second support frame are arranged oppositely, the first magnets and the second magnets are arranged oppositely and are connected through magnetic force, the motor is arranged between the first support frame and the second support frame, and the drill bit is connected with the motor; the bottom of the supporting leg is provided with a universal wheel;
the drill comprises a cylindrical base and three blades, the blades are arranged along the periphery of the base, the length of each blade is equal to that of the base, and an included angle between the blades is 120 degrees;
and push rods are arranged at the joints of the support legs and the inner support frame.
2. The pipe inner wall polisher according to claim 1, wherein the first bracket and the second bracket are identical in structure and size, and the included angle between the first bracket and the second bracket is 120 °;
the first support comprises a first support arm, a second support arm and a base, the two ends of the upper bottom surface of the base are connected with the first support arm and the second support arm respectively, the two ends of the lower bottom surface of the base are provided with 2 first balls respectively, and 3 first magnets are arranged between the first balls side by side.
3. The pipe fitting inner wall grinding machine according to claim 2, wherein the inner support frame comprises a first circular ring and a second circular ring, a first connecting rod, a second connecting rod and a supporting leg are arranged on the first circular ring and the second circular ring, the included angles between the two connecting rods and the supporting leg are 120 degrees, two ends of the first support frame are respectively connected with the first connecting rods of the first circular ring and the second circular ring, and two ends of the second support frame are respectively connected with the second connecting rods of the first circular ring and the second circular ring;
the structure and the size of the first support frame and the second support frame are the same, 2 second balls are arranged at two ends of the upper bottom surface of the first support frame respectively, and 3 second magnets are arranged between the second balls side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619678.3A CN111702603B (en) | 2019-09-30 | 2019-09-30 | Pipe fitting inner wall polisher |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010619678.3A CN111702603B (en) | 2019-09-30 | 2019-09-30 | Pipe fitting inner wall polisher |
| CN201910938912.6A CN110524367B (en) | 2019-09-30 | 2019-09-30 | Inner flanging grinding machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910938912.6A Division CN110524367B (en) | 2019-09-30 | 2019-09-30 | Inner flanging grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111702603A CN111702603A (en) | 2020-09-25 |
| CN111702603B true CN111702603B (en) | 2021-06-29 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010618214.0A Active CN111716198B (en) | 2019-09-30 | 2019-09-30 | Portable pipe fitting polisher |
| CN201910938912.6A Active CN110524367B (en) | 2019-09-30 | 2019-09-30 | Inner flanging grinding machine |
| CN202010619678.3A Active CN111702603B (en) | 2019-09-30 | 2019-09-30 | Pipe fitting inner wall polisher |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010618214.0A Active CN111716198B (en) | 2019-09-30 | 2019-09-30 | Portable pipe fitting polisher |
| CN201910938912.6A Active CN110524367B (en) | 2019-09-30 | 2019-09-30 | Inner flanging grinding machine |
Country Status (1)
| Country | Link |
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| CN (3) | CN111716198B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296838A (en) * | 2020-11-03 | 2021-02-02 | 三丰管业有限公司 | Steel pipe inner wall dull polish rust cleaning device |
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| CN205416364U (en) * | 2016-03-11 | 2016-08-03 | 上海亚大塑料制品有限公司 | Pipeline turn -ups excision instrument |
| CN206623281U (en) * | 2017-03-30 | 2017-11-10 | 克拉玛依市博瑞科技发展有限公司 | Annular projection flange eliminates device at polyethylene pipe internal weld seams |
| CN107379075B (en) * | 2017-08-04 | 2023-08-29 | 郭坤 | Inner flanging cutting machine |
| CN107984661A (en) * | 2017-12-02 | 2018-05-04 | 无锡市美尔特机械科技有限公司 | One kind modeling pipe in-flanges buster |
-
2019
- 2019-09-30 CN CN202010618214.0A patent/CN111716198B/en active Active
- 2019-09-30 CN CN201910938912.6A patent/CN110524367B/en active Active
- 2019-09-30 CN CN202010619678.3A patent/CN111702603B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111702603A (en) | 2020-09-25 |
| CN111716198A (en) | 2020-09-29 |
| CN110524367A (en) | 2019-12-03 |
| CN111716198B (en) | 2021-07-13 |
| CN110524367B (en) | 2020-07-31 |
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