CN110877460A - Welding method after polishing inner wall of connecting pipe fitting and equipment for implementing method - Google Patents
Welding method after polishing inner wall of connecting pipe fitting and equipment for implementing method Download PDFInfo
- Publication number
- CN110877460A CN110877460A CN201911163536.4A CN201911163536A CN110877460A CN 110877460 A CN110877460 A CN 110877460A CN 201911163536 A CN201911163536 A CN 201911163536A CN 110877460 A CN110877460 A CN 110877460A
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- CN
- China
- Prior art keywords
- wall
- connecting piece
- pipe connecting
- pipe
- steel wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
- B24B5/08—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally involving a vertical tool spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02245—Abrading, e.g. grinding, sanding, sandblasting or scraping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/61—Joining from or joining on the inside
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
A welding method after polishing the inner wall of a connecting pipe fitting and equipment for realizing the method sequentially comprise the following steps: a. preparing and pretreating a pipe connecting piece; cleaning the surface of the pipe connecting piece; b. placing the pipe connecting piece in alignment with the fixture rotary table, and clamping the outer wall of the pipe connecting piece; c. installing a steel wire polishing wheel on the telescopic rotating shaft, adjusting the central line of the telescopic rotating shaft to enable the steel wire polishing wheel to rotate and polish the inner wall of the pipe connecting piece, starting a motor to drive irregular convex thorns on the steel wire polishing wheel to scrape and polish the inner wall, and lifting and lowering the telescopic rotating shaft to enable the steel wire polishing wheel to scrape and polish the inner wall into a plush surface skin; d. the pipe is placed in the openings at the two ends of the pipe connecting piece respectively, and after the wiring end of the pipe connecting piece is connected and electrified, the heating wire ring in the pipe connecting piece emits heat to heat the plush surface and then the plush surface is melted on the pipe to form a whole; and then the process is finished. The grinding wheel contacts the inner wall of the pipe while rotating to form a surface fluff. The hot-melting device effectively improves the firmness of hot melting of the pipe fitting, is simple in structure and quick to assemble, and effectively improves the production efficiency.
Description
Technical Field
The invention relates to a welding method after polishing the inner wall of a connecting pipe fitting and equipment for realizing the method.
Background
The existing pipe fittings (PE, PVC, MPE, HDPE, PP, PTFE) and the like are used for pipelines used in mines and underground power grids, the pipe fittings are used for connecting pieces between two pipes in a hot melting way, and electrified wires are arranged in the pipe fittings, so that the pipe fittings are conveniently and integrally formed by the hot melting in the pipe fittings after being electrified; the inner surface of the pipe fitting is generally formed by injection of a mold, the inner surface is generally smooth or made into a thread shape, the pipe fitting is not easy to connect during electrifying hot melting connection, and the problem of infirm connection is solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a welding method after polishing the inner wall of a connecting pipe fitting and equipment for realizing the method, which have the advantages of simple process, firm connection, quick operation and effectively improved production efficiency; effectively improve the fastness of pipe fitting hot melt, equipment structure is simple, the equipment is swift, and effectively improves production efficiency. Therefore, the method is a technology with excellent economical efficiency and technical performance.
In order to achieve the purpose, the invention provides a welding method after polishing the inner wall of a connecting pipe fitting, which sequentially comprises the following steps:
a. preparing and pretreating a pipe connecting piece; cleaning the surface of the pipe connecting piece;
b. placing the pipe connecting piece in alignment with the fixture rotary table, and clamping the outer wall of the pipe connecting piece;
c. installing a steel wire polishing wheel on the telescopic rotating shaft, adjusting the central line of the telescopic rotating shaft to enable the steel wire polishing wheel to rotate and polish the inner wall of the pipe connecting piece, starting a motor to drive irregular convex thorns on the steel wire polishing wheel to scrape and polish the inner wall, and lifting and lowering the telescopic rotating shaft to enable the steel wire polishing wheel to scrape and polish the inner wall into a plush surface skin;
d. the pipe is placed in the openings at the two ends of the pipe connecting piece respectively, and after the wiring end of the pipe connecting piece is connected and electrified, the heating wire ring in the pipe connecting piece emits heat to heat the plush surface and then the plush surface is melted on the pipe to form a whole; and then the process is finished.
In order to realize the method, the invention also provides equipment for realizing the welding method after polishing the inner wall of the connecting pipe fitting, which comprises the following steps:
the machine body is arranged on the machine column and the cross beam;
the beam is provided with a first driving part, the first driving part is connected with a lifting operation device, and the lifting operation device drives the telescopic rotating shaft; the lower part of the telescopic rotating shaft is connected with a steel wire grinding wheel;
the fixture rotary table comprises a gripping part for locking the pipe fitting, a supporting part and a driving wheel for driving the supporting part to rotate, and the driving wheel is connected with a driving wheel of the second driving part through a driving belt or a chain so as to drive the supporting part to rotate;
the side surface of the steel wire grinding wheel is provided with irregular convex thorns, and the irregular convex thorns are contacted with the inner wall of the pipe fitting when the steel wire grinding wheel rotates, so that a surface fluff shape is formed.
In one or more embodiments of the present invention, the second driving part and the first driving part are reversely rotated, thereby achieving rapid grinding.
In one or more embodiments of the invention, the gripping portion has a plurality of supporting jaws that are spaced apart.
In one or more embodiments of the present invention, the telescopic rod is operated by the driving handle to move up or down, so that the irregular stabs move up and down on the inner wall of the pipe.
In one or more embodiments of the present invention, the wire sharpening wheel is detachably assembled to the telescopic rotating shaft.
Compared with the background technology, the invention has the following effects:
due to the adoption of the scheme, the process is simple, the connection is firm, the operation is quick, and the production efficiency is effectively improved; effectively improve the fastness of pipe fitting hot melt, equipment structure is simple, the equipment is swift, and effectively improves production efficiency. Therefore, the method is a technology with excellent economical efficiency and technical performance.
Drawings
Fig. 1 is a schematic diagram of an apparatus for sanding an inner wall of a pipe to form a plush shape according to an embodiment of the invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
The orientations shown in the drawings are not to be understood as limiting the specific scope of the present invention, but are merely provided for an understanding of preferred embodiments, with changes in position or addition of numbers or structural simplifications to the product parts shown in the drawings.
The relation of "connected" between the components shown in the drawings and described in the specification can be understood as fixedly connected or detachably connected or integrally connected; may be directly connected or connected through an intermediate, and those skilled in the art will understand that the connection relation may be substituted in a suitable manner for the different embodiments according to the specific situation, and the orientations shown in the drawings may be direct contact or contact through another feature therebetween; above may be directly above and obliquely above, or it simply means above the other; other orientations may be understood by analogy.
The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific implementation mode of the invention with the accompanying drawings of the specification; and are intended to be illustrative of the invention and not to be construed as limiting the invention.
The embodiment of the invention preferably provides a welding method for polished inner walls of connecting pipe fittings, which sequentially comprises the following steps:
a. preparing and pretreating a pipe connecting piece; cleaning the surface of the pipe connecting piece;
b. placing the pipe connecting piece in alignment with the fixture rotary table, and clamping the outer wall of the pipe connecting piece;
c. installing a steel wire polishing wheel on the telescopic rotating shaft, adjusting the central line of the telescopic rotating shaft to enable the steel wire polishing wheel to rotate and polish the inner wall of the pipe connecting piece, starting a motor to drive irregular convex thorns on the steel wire polishing wheel to scrape and polish the inner wall, and lifting and lowering the telescopic rotating shaft to enable the steel wire polishing wheel to scrape and polish the inner wall into a plush surface skin;
d. the pipe is placed in the openings at the two ends of the pipe connecting piece respectively, and after the wiring end of the pipe connecting piece is connected and electrified, the heating wire ring in the pipe connecting piece emits heat to heat the plush surface and then the plush surface is melted on the pipe to form a whole; and then the process is finished.
As shown in fig. 1, an apparatus for implementing a fusion process after polishing an inner wall of a pipe joint member; the device comprises a machine body 1, a connecting rod and a connecting rod, wherein the machine body 1 is arranged on a machine column 11 and a cross beam 13; a first driving part 13 is arranged on the cross beam 12, the first driving part 13 is connected with a lifting operation device 14, and the lifting operation device 14 drives a telescopic rotating shaft 15; the lower part of the telescopic rotating shaft 15 is connected with a steel wire grinding wheel 16; the clamp rotary table 2 comprises a gripper part 21 for locking the pipe 3, a support part 22 and a transmission wheel 23 for rotating the support part 22, wherein the transmission wheel 23 is connected with a driving wheel of a second driving part 24 through a transmission belt 25 or a chain so as to rotate the support part 22; the side surface of the wire grinding wheel 16 has irregular spurs 161, and the surface is formed in a fluff shape by the irregular spurs 161 contacting the inner wall of the pipe member when the wire grinding wheel 16 rotates. The second driving part 24 and the first driving part 13 may adopt a motor or other motorized equipment.
In order to increase the efficiency of the shaving, the second drive 24 is turned in the opposite direction to the first drive 13, so that a quick sanding is achieved between the second drive 24 and the first drive 13. The gripper portion 21 has a plurality of supporting blocks which are arranged at intervals.
The telescopic rod 15 is operated by the driving handle 141 to move up or down, so that the irregular stabs 161 move up and down on the inner wall 31 of the pipe. The wire grinding wheel 16 is detachably assembled to the telescopic rotating shaft 15.
When in use, the pipe fitting 3 is arranged on the supporting part 22, then the pipe position is positioned and fixed by the gripper part 21, the second driving part 24 and the first driving part 13 are started, and the steel wire grinding wheel 16 is driven by the first driving part 13 when the irregular burs 161 rotate; the second driving part 24 drives the driving wheel to drive the pipe 3 on the fixture rotary table 2 through a belt, the steel wire polishing wheel is mounted on the telescopic rotary shaft, after the central line of the telescopic rotary shaft is adjusted to enable the steel wire polishing wheel to rotate and the polishing depth of the inner wall of the pipe connecting piece is adjusted, the starting motor drives the irregular convex thorns on the steel wire polishing wheel to scrape and polish the inner wall, and the telescopic rotary shaft is lifted and lowered to enable the steel wire polishing wheel to scrape and polish the inner wall into a plush-shaped skin; the pipe is placed in the openings at the two ends of the pipe connecting piece respectively, and after the wiring end of the pipe connecting piece is connected and electrified, the heating wire ring in the pipe connecting piece emits heat to heat the plush surface and then the plush surface is melted on the pipe to form a whole; and then the process is finished. The invention has simple process, easy realization of quick connection and quick operation, and effectively improves the production efficiency; effectively improve the fastness of pipe fitting hot melt, equipment structure is simple, the equipment is swift, and effectively improves production efficiency. Therefore, the method is a technology with excellent economical efficiency and technical performance.
While this invention has been described in terms of the preferred embodiments, there may be alterations, permutations, and equivalents, which fall within the scope of this invention; there are many alternative ways of implementing the invention. It is therefore intended that the following appended claims be interpreted as including all such alterations, permutations, and equivalents as fall within the true spirit and scope of the present invention; it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and modifications and substitutions based on the known art are possible within the scope of the present invention, which is defined by the claims.
Claims (6)
1. A welding method after polishing of the inner wall of a pipe connecting piece is characterized by sequentially comprising the following steps:
a. preparing and pretreating a pipe connecting piece; cleaning the surface of the pipe connecting piece;
b. placing the pipe connecting piece in alignment with the fixture rotary table, and clamping the outer wall of the pipe connecting piece;
c. installing a steel wire polishing wheel on the telescopic rotating shaft, adjusting the central line of the telescopic rotating shaft to enable the steel wire polishing wheel to rotate and polish the inner wall of the pipe connecting piece, starting a motor to drive irregular convex thorns on the steel wire polishing wheel to scrape and polish the inner wall, and lifting and lowering the telescopic rotating shaft to enable the steel wire polishing wheel to scrape and polish the inner wall into a plush surface skin;
d. the pipe is placed in the openings at the two ends of the pipe connecting piece respectively, and after the wiring end of the pipe connecting piece is connected and electrified, the heating wire ring in the pipe connecting piece emits heat to heat the plush surface and then the plush surface is melted on the pipe to form a whole; and then the process is finished.
2. The utility model provides a realize equipment of splicing method after connecting pipe spare inner wall is polished which characterized in that, it includes:
the machine body is arranged on the machine column and the cross beam;
the beam is provided with a first driving part, the first driving part is connected with a lifting operation device, and the lifting operation device drives the telescopic rotating shaft; the lower part of the telescopic rotating shaft is connected with a steel wire grinding wheel;
the fixture rotary table comprises a gripping part for locking the pipe receiving part, a supporting part and a driving wheel for driving the supporting part to rotate, and the driving wheel is connected with a driving wheel of the second driving part through a driving belt or a chain so as to drive the supporting part to rotate;
the side surface of the steel wire grinding wheel is provided with irregular convex thorns, and the irregular convex thorns are contacted with the inner wall of the pipe connecting piece when the steel wire grinding wheel rotates, so that a surface fluff shape is formed.
3. The apparatus of claim 2 for sanding an inner wall of a fitting to form a plush shape, wherein: the second driving part and the first driving part are opposite in rotation direction, so that rapid grinding is realized.
4. The apparatus of claim 2 for sanding an inner wall of a fitting to form a plush shape, wherein: the handle portion has a plurality of supporting clamp blocks which are arranged at intervals.
5. The apparatus of claim 2 for sanding an inner wall of a fitting to form a plush shape, wherein: the telescopic rod is operated by the driving handle to ascend or descend so as to enable the irregular stabs to move up and down on the inner wall of the pipe connecting piece.
6. The apparatus of claim 2 for sanding an inner wall of a fitting to form a plush shape, wherein: the steel wire grinding wheel is detachably assembled on the telescopic rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163536.4A CN110877460A (en) | 2019-11-25 | 2019-11-25 | Welding method after polishing inner wall of connecting pipe fitting and equipment for implementing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163536.4A CN110877460A (en) | 2019-11-25 | 2019-11-25 | Welding method after polishing inner wall of connecting pipe fitting and equipment for implementing method |
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| Publication Number | Publication Date |
|---|---|
| CN110877460A true CN110877460A (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911163536.4A Pending CN110877460A (en) | 2019-11-25 | 2019-11-25 | Welding method after polishing inner wall of connecting pipe fitting and equipment for implementing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757084A (en) * | 2020-12-30 | 2021-05-07 | 浙江卓宏建设项目管理有限公司诸暨分公司 | Building site uses multi-functional cutting equipment |
| CN112793170A (en) * | 2020-12-16 | 2021-05-14 | 顾少文 | Natural gas line welding device |
| CN112976588A (en) * | 2021-02-11 | 2021-06-18 | 李天佐 | PVC tubular product interface connection device |
-
2019
- 2019-11-25 CN CN201911163536.4A patent/CN110877460A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793170A (en) * | 2020-12-16 | 2021-05-14 | 顾少文 | Natural gas line welding device |
| CN112793170B (en) * | 2020-12-16 | 2022-11-11 | 唐山市天然气有限公司 | Natural gas line welding device |
| CN112757084A (en) * | 2020-12-30 | 2021-05-07 | 浙江卓宏建设项目管理有限公司诸暨分公司 | Building site uses multi-functional cutting equipment |
| CN112976588A (en) * | 2021-02-11 | 2021-06-18 | 李天佐 | PVC tubular product interface connection device |
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