CN205042700U - Spraying device of tubular product undercoating is carried to hole enlargement - Google Patents
Spraying device of tubular product undercoating is carried to hole enlargement Download PDFInfo
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- CN205042700U CN205042700U CN201520704190.5U CN201520704190U CN205042700U CN 205042700 U CN205042700 U CN 205042700U CN 201520704190 U CN201520704190 U CN 201520704190U CN 205042700 U CN205042700 U CN 205042700U
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Abstract
The utility model provides a spraying device of tubular product undercoating is carried to hole enlargement, includes the air motor, revolves the cup axle, revolves cup and passage, and the inner of revolving the cup axle links to each other with the drive shaft transmission of air motor, revolves the outer end of cup axle and revolves that the cup is fixed to link to each other, and the inner of passage links to each other with the air motor, and the outer end of passage is close to and is revolved the cup. The utility model discloses owing to adopted the soon cup bigger than shower nozzle external diameter, fully guaranteed effectual liquid coating atomizing distance, the spraying has been guaranteed to carry on by the high rotational speed of air motor again after the liquid coating can atomize, make coating atomization effect more abundant. Be applicable to the undercoating spraying of the hole enlargement conveyer pipe of phi 100mm - phi 250mm bore to a qualification rate of product has been improved.
Description
Technical field
The utility model relates to spray equipment, particularly relates to the internally coated spray equipment of a kind of expanding conveying tubing.
Background technology
The undercoating of the expanding carrier pipe of Φ 100mm-Φ 250mm bore is when spraying, when adopting the spray equipment spraying of prior art, first-time qualification rate is low, easily produces the defective phenomenons such as pin hole, coating is uneven, thickness is not up to standard, have impact on the qualification rate of product to a great extent.Therefore the undercoating spraying of expanding conveying tubing has become the weak link of undercoating production line.
Utility model content
The purpose of this utility model, exactly in order to solve the problem, provides a kind of novel internally coated spray equipment of expanding conveying tubing.
In order to achieve the above object, the utility model have employed following technical scheme: the internally coated spray equipment of a kind of expanding conveying tubing, comprise air motor, revolve a glass axle, revolve cup and passage, the driving shaft transmission of the inner and air motor of revolving glass axle is connected, the outer end of revolving glass axle with revolve cup and be fixedly linked, the inner of passage is connected with air motor, and the outer end of passage is close to revolving cup.
The outer end of the driving shaft of described air motor is provided with hollow cavity, one collet is arranged on this hollow cavity and protruding, one chuck nut from outside by driving shaft and collet big envelope interior, described in revolve glass axle the inner be connected with the inwall of collet close joining through chuck nut.
Described air motor also comprises motor rotor, eccentric bushing and shell, the driving shaft of air motor is connected with motor rotor, and motor rotor is connected with eccentric bushing, and eccentric bushing is connected with motor case, guide passage is provided with, described passage the inner and this guide channel connection in motor case.
The described cup that revolves is that threaded hole revolves cup.
Rotating speed when described air motor is unloaded is 12000 revs/min.
Compared with prior art, the utility model has the following advantages:
1) larger than shower nozzle external diameter revolve cup owing to have employed, add the atomization spacing of 30mm, fully ensure that effective liquid coating atomization distance;
2) rotating speed when air motor is unloaded is 12000 revs/min, and high rotating speed ensure that liquid coating sprays after can being atomized again;
3) revolve cup owing to have employed threaded hole, make coating atomizing effect more abundant;
4) the undercoating spraying of the expanding carrier pipe of Φ 100mm-Φ 250mm bore is applicable to.
Accompanying drawing explanation
Fig. 1, Fig. 2 are broken section structural representation of the present utility model;
Fig. 3 is that the A-A of Fig. 2 is to sectional structure schematic diagram.
Detailed description of the invention
See Fig. 1, coordinate see Fig. 2, Fig. 3, the internally coated spray equipment of expanding conveying tubing of the present utility model, comprise air motor 1, revolve glass axle 2, revolve cup 3 and passage 4, driving shaft 11 transmission of the inner and air motor of revolving glass axle is connected, the outer end of revolving glass axle with revolve cup and be fixedly linked, the inner of passage is connected with air motor, and the outer end of passage is close to revolving cup.
Hollow cavity is provided with in the outer end of the driving shaft 11 of air motor, one collet 5 is arranged on this hollow cavity and protruding, one chuck nut 6 from outside by driving shaft and collet big envelope interior, the inner of revolving glass axle is connected with the inwall of collet close joining through chuck nut.
Air motor 1 in the utility model also comprises motor rotor 12, eccentric bushing 13 and shell 14, the driving shaft of air motor is connected with motor rotor, motor rotor is connected with eccentric bushing, eccentric bushing is connected with motor case, guide passage 15 is provided with, passage the inner and this guide channel connection in motor case.
The cup that revolves in the utility model is that threaded hole revolves cup.
Rotating speed when air motor in the utility model is unloaded is 12000 revs/min.
Course of work principle of the present utility model can be described as follows:
The inlet channel of high-speed air on motor case 14 enters motor, enter eccentric bushing 13 again, under the effect of blade, make rotor 12 rotate, rotor 12 rotarily drives motor drive shaft 11 and revolves glass axle 2 and rotates, collet 5 and chuck locknut 6 make motor drive shaft 11 and revolve glass axle 2 to be locked together firmly, drive and revolve cup-shaped one-tenth High Rotation Speed; Air is discharged from motor exhaust apertures, liquid coating enters from the inlet air motor shell 14, sprayed into by passage 4 and revolve cup 3, when High Rotation Speed produces centrifugal force, liquid is thrown out of from revolving cup, is sprayed at OCTG inwall after forming atomizing effect.
Below adopt the utility model device to carry out several application examples of constructing.
Embodiment 1:
Tubing is the expanding carrier pipe of 159mm, the inner bore of tubing is Φ 149mm, expanding carrier pipe spraying air motor device enters tubing inside when carrying out spraying operation, effective atomization distance is 100mm, after atomization, applying coating is in internal surface of pipe, wet-film thickness reaches 175 μm, and coating quality reaches petroleum industry oil pipe and standardization of casing SY/T6717-2008 indices.
Embodiment 2:
Tubing is the expanding carrier pipe of 219mm, the inner bore of tubing is Φ 209mm, expanding carrier pipe spraying air motor device enters tubing inside when carrying out spraying operation, effective atomization distance is 150mm, after atomization, applying coating is in internal surface of pipe, wet-film thickness reaches 175 μm, and coating quality reaches petroleum industry oil pipe and standardization of casing SY/T6717-2008 indices.
Embodiment 3:
Tubing is the expanding carrier pipe of 114mm, the inner bore of tubing is Φ 104mm, expanding carrier pipe spraying air motor device enters tubing inside when carrying out spraying operation, effective atomization distance is 80mm, after atomization, applying coating is in internal surface of pipe, wet-film thickness reaches 200 μm, and coating quality reaches petroleum industry oil pipe and standardization of casing SY/T6717-2008 indices.
Claims (5)
1. the internally coated spray equipment of expanding conveying tubing, it is characterized in that, comprise air motor, revolve a glass axle, revolve cup and passage, the driving shaft transmission of the inner and air motor of revolving glass axle is connected, the outer end of revolving glass axle with revolve cup and be fixedly linked, the inner of passage is connected with air motor, and the outer end of passage is close to revolving cup.
2. the internally coated spray equipment of expanding conveying tubing as claimed in claim 1, it is characterized in that: the outer end of the driving shaft of described air motor is provided with hollow cavity, one collet is arranged on this hollow cavity and protruding, one chuck nut from outside by driving shaft and collet big envelope interior, described in revolve glass axle the inner be connected with the inwall of collet close joining through chuck nut.
3. the internally coated spray equipment of expanding conveying tubing as claimed in claim 1, it is characterized in that: described air motor also comprises motor rotor, eccentric bushing and shell, the driving shaft of air motor is connected with motor rotor, motor rotor is connected with eccentric bushing, eccentric bushing is connected with motor case, guide passage is provided with, described passage the inner and this guide channel connection in motor case.
4. the internally coated spray equipment of expanding conveying tubing as claimed in claim 1, is characterized in that: described in revolve cup be that threaded hole revolves cup.
5. the internally coated spray equipment of expanding conveying tubing as claimed in claim 1, is characterized in that: rotating speed when described air motor is unloaded is 12000 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520704190.5U CN205042700U (en) | 2015-09-11 | 2015-09-11 | Spraying device of tubular product undercoating is carried to hole enlargement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520704190.5U CN205042700U (en) | 2015-09-11 | 2015-09-11 | Spraying device of tubular product undercoating is carried to hole enlargement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205042700U true CN205042700U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520704190.5U Active CN205042700U (en) | 2015-09-11 | 2015-09-11 | Spraying device of tubular product undercoating is carried to hole enlargement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205042700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513257A (en) * | 2015-09-11 | 2017-03-22 | 上海图博可特石油管道涂层有限公司 | Spray coating device of inner coating layer of diameter expansion conveying pipe |
| CN110947533A (en) * | 2019-12-17 | 2020-04-03 | 上海水务建设工程有限公司 | Spraying device for pipeline repair and using method thereof |
-
2015
- 2015-09-11 CN CN201520704190.5U patent/CN205042700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513257A (en) * | 2015-09-11 | 2017-03-22 | 上海图博可特石油管道涂层有限公司 | Spray coating device of inner coating layer of diameter expansion conveying pipe |
| CN110947533A (en) * | 2019-12-17 | 2020-04-03 | 上海水务建设工程有限公司 | Spraying device for pipeline repair and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |