CN110202440B - Tool for machining welding groove of small-diameter pipe - Google Patents
Tool for machining welding groove of small-diameter pipe Download PDFInfo
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- CN110202440B CN110202440B CN201910609906.6A CN201910609906A CN110202440B CN 110202440 B CN110202440 B CN 110202440B CN 201910609906 A CN201910609906 A CN 201910609906A CN 110202440 B CN110202440 B CN 110202440B
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- polishing
- sliding sleeve
- bevel gear
- pipe body
- hole
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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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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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
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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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- 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
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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
- B24B9/04—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 metal, e.g. skate blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a tool for processing a welding groove of a small-diameter pipe, which comprises a positioning mechanism and a polishing mechanism, wherein the polishing mechanism is connected with the rear end of the positioning mechanism and is used for processing a welding groove, the polishing mechanism comprises a horn-shaped polishing head, the rear end of the polishing head is provided with a connecting rod, one side of the polishing head, which is far away from the connecting rod, is provided with a containing cavity, the positioning mechanism comprises a pipe body, the periphery of the front end of the pipe body is provided with a fixing component, the fixing component comprises a transmission screw rod, a driven bevel gear, a threaded sliding sleeve and a fixing pad arranged at the outer end part of the threaded sliding sleeve, the threaded sliding sleeve is arranged in a radial hole of the pipe body, the transmission screw rod is in threaded fit with the threaded sliding sleeve, a transmission shaft is arranged in an axial hole of the pipe body, the, the holding cavity of the polishing head is detachably provided with a plurality of polishing parts, and the inclined plane of the groove is smooth and uniform.
Description
Technical Field
The invention relates to the technical field of pipeline groove processing equipment, in particular to a tool for processing a welding groove of a small-diameter pipe.
Background
In order to make the welding interface better fused, iron oxide, dirt, slag and the like at the pipe orifice of the steel pipe must be cleaned, welding can be carried out only until the metallic luster is exposed, for the steel pipe with the pipe wall exceeding 3 mm, welding can be carried out only after the pipe orifice of the steel pipe is processed into a groove, otherwise the problems of welding impermeability and low welding strength can occur, although the pipe orifice of some steel pipes in the market is processed into the groove when leaving the factory, the steel pipe is frequently cut off and then re-arranged on the installation site, and the requirements of different welding processes on the groove form of the steel pipe are different, so most of the steel pipes are processed into the groove on the installation site, in the specific implementation, a technical worker can process a groove by repeatedly polishing for a long time through a polishing machine, and the accidents that steel slag and a grinding tool hurt people often occur in the processing process.
In the butt welding construction, because the requirement on the butt welding quality of the pipeline is high, the angle and the uniformity of groove grinding influence the quality of welding in the next step, and the requirement on the quality of constructors and the welding process is high, and the groove grinding takes time and labor, especially when the small-caliber pipeline with large wall thickness is constructed, because the pipe wall is thick, the groove angle is ensured to be even and flat and in the optimal range when the groove is ground, the quality of butt welding in the next step can be guaranteed, the angle is difficult to be held when the angle grinder is used for grinding the groove of the pipe wall, and the slope of the groove is even and difficult to achieve.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tool for welding and beveling a small-diameter pipe, aiming at the current situation of the prior art, the tool for welding and beveling a small-diameter pipe is used for accurately positioning the small-diameter pipe by using a positioning mechanism, so that a grinding mechanism rotates around the central axis of the small-diameter pipe, the bevel angles are consistent, the bevel of the bevel is flat and uniform, and the tool is beneficial to subsequent welding operation.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a tool for processing a welding groove of a small-diameter pipe comprises a positioning mechanism and a polishing mechanism, wherein the positioning mechanism is fixed in the small-diameter pipe, the polishing mechanism is connected to the rear end of the positioning mechanism and is used for processing a welding groove, the polishing mechanism comprises a horn-shaped polishing head, a connecting rod is arranged at the rear end of the polishing head, a containing cavity is formed in one side, away from the connecting rod, of the polishing head, the positioning mechanism comprises a pipe body, a fixing assembly is arranged on the periphery of the front end of the pipe body and comprises a transmission screw, a driven bevel gear, a threaded sliding sleeve and a fixing pad arranged at the outer end of the threaded sliding sleeve, the threaded sliding sleeve is arranged in a radial hole of the pipe body, the transmission screw is in threaded fit with the threaded sliding sleeve, a transmission shaft is arranged in an axial hole of the pipe body, a driving bevel gear is arranged at the front end of, the driving bevel gear is in vertical meshing transmission with the driven bevel gear, a wrench opening is formed in the rear end portion of the transmission shaft, a plurality of polishing portions are detachably arranged in a containing cavity of the polishing head, and a discharge port is formed between every two adjacent polishing portions.
In order to optimize the technical scheme, the adopted measures further comprise:
the polishing part is radially arranged on the inner surface of the polishing head, the polishing part protrudes along the radial direction, a fixing hole is formed in the binding surface of the polishing part and the polishing head, a connecting nut is embedded into the fixing hole, and a screw penetrates through a corresponding through hole in the polishing head and is connected with the connecting nut.
The number of the fixing assemblies is three, the three fixing assemblies are uniformly distributed, the included angle between every two adjacent fixing assemblies is 120 degrees, and correspondingly, the number of the radial holes in the pipe body is three.
The connecting seat is arranged in the accommodating cavity of the polishing head, the second bearing is arranged in the connecting seat, the key protrusions are arranged on the inner circumferential wall of the inner ring of the second bearing, and the sliding groove matched with the key protrusions is formed in the outer wall of the pipe body.
The peripheral wall of the connecting seat is provided with metal bristles.
The pipe body is positioned at the radial hole and extends outwards to form a reinforcing ring.
A positioning hole is formed in the reinforcing ring, a cylindrical pin is arranged in the positioning hole, and the cylindrical pin penetrates through a sliding groove of the threaded sliding sleeve.
An end cover is arranged at the center of the front end of the pipe body, a ball head positioning screw is fixed on the end cover and penetrates into a ring groove at the inner end part of the transmission screw rod, the center of the inner end surface of the transmission screw rod is abutted against a steel ball, and the transmission shaft is supported in an axial hole of the connecting cylinder through a first bearing.
The periphery of the polishing head is provided with an adsorption magnet at the discharge port, the adsorption magnet is sleeved with a protective bag, the periphery of the protective bag forms a tightening port, and the tightening port is provided with a contraction strip.
The fixing pad is made of rubber, and anti-skid grains are arranged on the contact surface of the fixing pad and the inner wall of the small-diameter pipe.
The invention relates to a tool for processing a welding groove of a small-diameter pipe, which comprises a positioning mechanism and a polishing mechanism, wherein the positioning mechanism is fixed in the small-diameter pipe, the polishing mechanism is connected with the rear end of the positioning mechanism and is used for processing a welding groove, the polishing mechanism comprises a horn-shaped polishing head, the rear end of the polishing head is provided with a connecting rod, one side of the polishing head, which is far away from the connecting rod, is provided with a containing cavity, the positioning mechanism comprises a pipe body, the periphery of the front end of the pipe body is provided with a fixing component, the fixing component comprises a transmission screw, a driven bevel gear, a threaded sliding sleeve and a fixing pad arranged at the outer end part of the threaded sliding sleeve, the threaded sliding sleeve is arranged in a radial hole of the pipe body, the transmission screw is in threaded fit with the threaded sliding sleeve, the transmission shaft is arranged in an axial hole of the pipe body, the, the transmission is engaged with perpendicularly to drive bevel gear and driven bevel gear to initiative bevel gear, and the rear end of transmission shaft is provided with pulls the mouth, and the intracavity detachable that holds of polishing head is provided with a plurality of portions of polishing, is provided with the discharge gate between two adjacent portions of polishing, utilizes positioning mechanism to carry out the accurate positioning to the path pipe, makes polishing mechanism rotate around the axis of path pipe, makes the groove angle unanimous, and the groove inclined plane levels evenly, is favorable to follow-up welding operation.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the positioning mechanism of the present invention;
FIG. 4 is an elevational view of the grinding mechanism of the present invention;
FIG. 5 is an elevation view of the positioning mechanism of the present invention;
fig. 6 is a schematic perspective view of the protective bag of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 6 are schematic structural views of the present invention.
Wherein the reference numerals are: the device comprises a positioning mechanism 1, a pipe body 11, a radial hole 12, a transmission shaft 13, an axial hole 14, a drive bevel gear 15, a sliding groove 16, a reinforcing ring 17, a positioning hole 18, an end cover 19, a polishing mechanism 2, a polishing head 21, a connecting rod 22, an accommodating cavity 23, a polishing part 24, a discharge hole 25, a connecting seat 26, a second bearing 27, a key protrusion 28, metal bristles 29, a fixing component 3, a transmission screw 31, a driven bevel gear 32, a threaded sliding sleeve 33, a fixing pad 34, a sliding groove 35, a ball head positioning screw 4, a steel ball 41, an adsorption magnet 5, a protective bag 51, a contraction strip 52 and a small-diameter pipe 6.
As shown in fig. 1 to 6:
a machining tool for a welding groove of a small-diameter pipe comprises a positioning mechanism 1 and a grinding mechanism 2, wherein the positioning mechanism 1 is fixed in a small-diameter pipe 6 and used for positioning a central axis of the small-diameter pipe, the grinding mechanism 2 is connected to the rear end of the positioning mechanism 1, the grinding mechanism 2 rotates around the positioning mechanism 1 and used for machining a welding groove, the grinding mechanism 2 comprises a horn-shaped grinding head 21, a connecting rod 22 is arranged at the rear end of the grinding head 21, the connecting rod 22 is used for connecting a power mechanism, the grinding mechanism 2 rotates, a containing cavity 23 is formed in one side, away from the connecting rod 22, of the grinding head 21, the positioning mechanism 1 comprises a pipe body 11, a fixing assembly 3 is arranged on the periphery of the front end of the pipe body 11, the fixing assembly 3 comprises a transmission screw 31, a driven bevel gear 32, a threaded sliding sleeve 33 and a fixing pad 34 arranged at the outer end of the threaded sliding, the threaded sliding sleeve 33 can linearly extend and retract along the radial hole 12, the transmission screw 31 is in threaded fit with the threaded sliding sleeve 33, the transmission shaft 13 is installed in the axial hole 14 of the pipe body 11, the front end of the transmission shaft 13 is provided with the driving bevel gear 15, the inner end part of the transmission screw 31 is provided with the driven bevel gear 32, the intersection angle between the axis of the driving bevel gear 15 and the axis of the driven bevel gear 32 is 90 degrees, the driving bevel gear 15 and the driven bevel gear 32 are vertically engaged for transmission, the rear end part of the transmission shaft 13 is provided with a wrench opening, a plurality of polishing parts 24 are detachably arranged in the accommodating cavity 23 of the polishing head 21, the plurality of polishing parts 24 can avoid heating of pipe openings due to long-time friction, a discharge hole 25 is arranged between two adjacent polishing parts 24, the polishing parts 24 polish pipe openings of small-diameter pipes, polished iron chips and the like can be discharged, when the polishing device is used, the front end of the positioning mechanism 1 is inserted into a small-diameter pipe, a wrench is inserted into a wrench opening at the rear end part of the transmission shaft 13, the transmission shaft 13 is rotated clockwise, the driving bevel gear 15 is in meshed transmission with the driven bevel gear 32, the driven bevel gear 32 drives the transmission screw 31 to rotate, the transmission screw 31 is matched with the threaded sliding sleeve 33, the threaded sliding sleeve 33 extends out along the radial hole 12, the fixing pad 34 at the outer end part of the threaded sliding sleeve 33 abuts against the inner wall of the small-diameter pipe, the positioning mechanism 1 is fixed in the small-diameter pipe, the positioning mechanism 1 and the small-diameter pipe are coaxially arranged at the moment, the polishing mechanism 2 is connected to the rear end of the positioning mechanism 1, the polishing mechanism 2 is driven by the power mechanism, the polishing part 24 in the polishing head.
In the embodiment, the grinding part 24 is radially arranged on the inner surface of the grinding head 21, the grinding part 24 protrudes along the radial direction, the grinding part 24 is a rib extending along the axial straight line and/or curve of the inner surface of the grinding head 21, the arrangement is realized, the grinded scrap iron can generate centrifugal force, the scrap iron is quickly discharged from the discharge hole 25, a fixing hole is formed in the joint surface of the grinding part 24 and the grinding head 21, a connecting nut is embedded into the fixing hole, a screw penetrates through a through hole corresponding to the grinding head and is connected with the connecting nut, the replacement is convenient, the later maintenance is facilitated, and the production cost is reduced.
In the embodiment, 3 figure of fixed subassembly are three, and 3 evenly distributed of three fixed subassembly, contained angle between the adjacent fixed subassembly 3 is 120, and is corresponding, and the figure of the radial hole 12 on the pipe body 11 also is three, and fixed subassembly 3 can be better fix in the path pipe, can not appear rocking, and simultaneously, the axiality of fixed subassembly 3 and path pipe is more accurate.
In the embodiment, polishing head 21 holds and is provided with connecting seat 26 in the chamber 23, be provided with second bearing 27 in the connecting seat 26, reducing wear increases life, be equipped with the protruding 28 of key on the inner circle internal perisporium of second bearing 27, be equipped with the sliding tray 16 with the protruding 28 adaptation of key on the outer wall of pipe body 11, in the use, in polishing mechanism 2 is to the pipe mouth of pipe polishing in-process of path, polishing mechanism 2's the protruding 28 of key need slide along sliding tray 16 forward, can polish the path pipe of thick pipe wall like this, make the welding groove more level and more even.
In the embodiment, the outer peripheral wall of the connecting seat 26 is provided with metal bristles 29, so that the inner wall of the welding part of the small-diameter pipe can be subjected to rust removal treatment.
In the embodiment, the pipe body 11 extends outwards at the radial hole 12 to form a reinforcing ring 17, so that the stability is increased.
In the embodiment, the reinforcing ring 17 is provided with a positioning hole 18, a cylindrical pin is arranged in the positioning hole 18, and the cylindrical pin penetrates through the sliding groove 35 of the threaded sliding sleeve 33, so that the linear displacement of the threaded sliding sleeve 33 is ensured.
In the embodiment, an end cover 19 is arranged at the center of the front end of the pipe body 11, a ball head positioning screw 4 is fixed on the end cover 19 and penetrates into a ring groove at the inner end of the transmission screw 31, the center of the inner end surface of the transmission screw 31 is abutted against a steel ball 41, the coaxiality of 3 transmission screws 31 is increased, and the transmission shaft 13 is supported in the axial hole 14 of the connecting cylinder through a first bearing, so that the rotating stability and the coaxiality with the axial hole 14 are increased.
In the embodiment, it is equipped with adsorption magnet 5 to lie in discharge gate 25 department in the periphery of head 21 of polishing, adsorption magnet 5 is gone up the cover and has been put protective bag 51, protective bag 51's border forms the mouth of tightening up, it is provided with shrink strip 52 to tighten up mouthful department, adsorption magnet 5 adsorbs the iron fillings that polish down, avoid iron fillings to splash, protective bag 51 keeps apart iron fillings and adsorption magnet 5, when finishing using, only need take off protective bag 51, alright with iron fillings and 5 separation of adsorption magnet, be convenient for clean.
In the embodiment, the fixing pad 34 is made of rubber, and the contact surface of the fixing pad 34 and the inner wall of the small diameter tube 6 is provided with anti-slip threads.
The operation method of the invention comprises the following steps:
the front end of a positioning mechanism 1 is inserted into a small-diameter pipe, a wrench is inserted into a wrench opening at the rear end part of a transmission shaft 13, the transmission shaft 13 is rotated clockwise, a driving bevel gear 15 is in meshed transmission with a driven bevel gear 32, the driven bevel gear 32 drives a transmission screw 31 to rotate, the transmission screw 31 is matched with a threaded sliding sleeve 33, the threaded sliding sleeve 33 extends out along a radial hole 12, a fixing pad 34 at the outer end part of the threaded sliding sleeve 33 is abutted against the inner wall of the small-diameter pipe, the positioning mechanism 1 is fixed in the small-diameter pipe, the positioning mechanism 1 and the small-diameter pipe are coaxially arranged at the moment, a key bulge 28 of a polishing mechanism 2 is inserted into a sliding groove 16 on a pipe body 11, a power mechanism is used for driving the polishing mechanism 2 to rotate, a polishing part 24 in a polishing head 21 polishes the pipe opening of the small-diameter pipe, polished iron chips and, protection bag 51 keeps apart iron fillings and adsorption magnet 5, when finishing using, only need take off protection bag 51, alright separate iron fillings and adsorption magnet 5, be convenient for clean, in the process of polishing, the protruding 28 of key of grinding machanism 2 need slide along sliding tray 16 forward, polish the path pipe of thick pipe wall, polish out required welding groove after, make grinding machanism and positioning mechanism separate, use the spanner to insert in the spanner mouth of the back tip of transmission shaft 13, anticlockwise rotating transmission shaft 13, screw thread sliding sleeve 33 alright retract in the radial hole 12, alright follow the path intraductal positioning mechanism 1 that takes out.
While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.
Claims (1)
1. The utility model provides a be used for path pipe welding groove preparation instrument which characterized by: comprises a positioning mechanism (1) and a grinding mechanism (2), wherein the positioning mechanism (1) is fixed in a small-diameter pipe (6), the grinding mechanism (2) is connected with the rear end of the positioning mechanism (1) and used for processing a welding groove, the grinding mechanism (2) comprises a horn-shaped grinding head (21), a connecting rod (22) is arranged at the rear end of the grinding head (21), a containing cavity (23) is arranged at one side, away from the connecting rod (22), of the grinding head (21), the positioning mechanism (1) comprises a pipe body (11), a fixing component (3) is arranged on the periphery of the front end of the pipe body (11), the fixing component (3) comprises a transmission screw rod (31), a driven bevel gear (32), a threaded sliding sleeve (33) and a fixing pad (34) arranged at the outer end of the threaded sliding sleeve (33), the threaded sliding sleeve (33) is arranged in a radial hole (12) of the pipe body (11), the threaded sliding sleeve (33) can linearly extend and retract along a radial hole (12), the transmission screw (31) is in threaded fit with the threaded sliding sleeve (33), the transmission shaft (13) is installed in an axial hole (14) of the pipe body (11), a driving bevel gear (15) is arranged at the front end of the transmission shaft (13), a driven bevel gear (32) is arranged at the inner end of the transmission screw (31), the intersection angle between the axis of the driving bevel gear (15) and the axis of the driven bevel gear (32) is 90 degrees, the driving bevel gear (15) and the driven bevel gear (32) are in vertical meshing transmission, a wrench opening is arranged at the rear end of the transmission shaft (13), a plurality of polishing parts (24) are detachably arranged in an accommodating cavity (23) of the polishing head (21), and a discharge hole (25) is arranged between every two adjacent polishing parts (24); the polishing part (24) is radially arranged on the inner surface of the polishing head (21), the polishing part (24) protrudes along the radial direction, a fixing hole is formed in the binding surface of the polishing part (24) and the polishing head (21), a connecting nut is embedded into the fixing hole, and a screw penetrates through a corresponding through hole in the polishing head and is connected with the connecting nut; the number of the fixing assemblies (3) is three, the three fixing assemblies (3) are uniformly distributed, the included angle between every two adjacent fixing assemblies (3) is 120 degrees, and correspondingly, the number of the radial holes (12) on the pipe body (11) is three; a connecting seat (26) is arranged in an accommodating cavity (23) of the polishing head (21), a second bearing (27) is arranged in the connecting seat (26), a key protrusion (28) is arranged on the inner peripheral wall of an inner ring of the second bearing (27), and a sliding groove (16) matched with the key protrusion (28) is arranged on the outer wall of the pipe body (11); the outer peripheral wall of the connecting seat (26) is provided with metal bristles (29); the pipe body (11) is positioned at the radial hole (12) and extends outwards to form a reinforcing ring (17); a positioning hole (18) is formed in the reinforcing ring (17), a cylindrical pin is arranged in the positioning hole (18), and the cylindrical pin penetrates through a sliding groove (35) of the threaded sliding sleeve (33); an end cover (19) is arranged at the center of the front end of the pipe body (11), a ball head positioning screw (4) is fixed on the end cover (19) and penetrates into a ring groove at the inner end of a transmission screw rod (31), the center of the inner end surface of the transmission screw rod (31) is abutted against a steel ball (41), and the transmission shaft (13) is supported in an axial hole (14) of the connecting cylinder through a first bearing; an adsorption magnet (5) is arranged on the periphery of the polishing head (21) and positioned at the discharge hole (25), a protective bag (51) is sleeved on the adsorption magnet (5), a tightening opening is formed on the periphery of the protective bag (51), and a contraction strip (52) is arranged at the tightening opening; the fixing pad (34) is made of rubber, and anti-skid grains are arranged on the contact surface of the fixing pad (34) and the inner wall of the small-diameter pipe (6); the front end of a positioning mechanism (1) is inserted into a small-diameter pipe, a wrench is inserted into a wrench opening at the rear end part of a transmission shaft (13), the transmission shaft (13) is rotated clockwise, a driving bevel gear (15) is in meshing transmission with a driven bevel gear (32), the driven bevel gear (32) drives a transmission screw (31) to rotate, the transmission screw (31) is matched with a threaded sliding sleeve (33), the threaded sliding sleeve (33) extends out along a radial hole (12), a fixing pad (34) at the outer end part of the threaded sliding sleeve (33) is abutted against the inner wall of the small-diameter pipe, the positioning mechanism (1) is fixed in the small-diameter pipe, the positioning mechanism (1) and the small-diameter pipe are coaxially arranged at the moment, a key bulge (28) of a polishing mechanism (2) is inserted into a sliding groove (16) on a pipe body (11), a power mechanism is used for driving the polishing mechanism (2) to rotate, and a polishing part (24), the iron fillings of polishing are discharged from discharge gate (25), and adsorption magnet (5) adsorb the iron fillings of polishing off, avoid iron fillings to splash, and protection bag (51) is kept apart iron fillings and adsorption magnet (5), takes off protection bag (51), and iron fillings separate with adsorption magnet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609906.6A CN110202440B (en) | 2019-07-08 | 2019-07-08 | Tool for machining welding groove of small-diameter pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609906.6A CN110202440B (en) | 2019-07-08 | 2019-07-08 | Tool for machining welding groove of small-diameter pipe |
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| CN110202440A CN110202440A (en) | 2019-09-06 |
| CN110202440B true CN110202440B (en) | 2021-02-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110788692B (en) * | 2019-11-07 | 2021-05-11 | 常州腾飞特材科技有限公司 | Steel pipe cut surface polishing device |
| CN112264847A (en) * | 2020-11-06 | 2021-01-26 | 潍坊市利程建材科技有限公司 | Pipe fitting processing apparatus for machining |
| CN112775756B (en) * | 2021-01-28 | 2022-07-29 | 中国核动力研究设计院 | Grinding device in bushing hole of electric heating element of voltage stabilizer |
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| CN205394280U (en) * | 2016-03-04 | 2016-07-27 | 张翰文 | A device for collecting abrasive machine iron fillings dust |
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| CN206952784U (en) * | 2017-07-19 | 2018-02-02 | 南京优耐特精密机械制造有限公司 | The dust arrester of manual polishing abrasive machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314341Y (en) * | 1997-09-08 | 1999-04-14 | 青海量具刃具厂 | Inside diameter measuring head with gear and spiral three-claw structure |
| CN102363283A (en) * | 2011-06-28 | 2012-02-29 | 吴江市精工铝字制造厂 | Dust-suction device for grinder |
| CN203156497U (en) * | 2013-04-12 | 2013-08-28 | 山东电力建设第二工程公司 | Automatic trimming device for steel pipe welding seams |
| CN205394280U (en) * | 2016-03-04 | 2016-07-27 | 张翰文 | A device for collecting abrasive machine iron fillings dust |
| CN206500974U (en) * | 2017-02-08 | 2017-09-19 | 东莞市金启塑胶制品有限公司 | A kind of new type auto sander |
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| CN110202440A (en) | 2019-09-06 |
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Effective date of registration: 20210126 Address after: No.6, Jinxin Industrial Park, beishangfang, Zhifu District, Yantai City, Shandong Province Applicant after: Yantai Shigao Equipment Technology Co.,Ltd. Address before: 315043 Junyue garden, No. 881, Baizhang East Road, Yinzhou District, Ningbo City, Zhejiang Province Applicant before: Lu Yuanyuan |
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