CN203438081U - Sanding device for inner wall of small-diameter pipe fitting - Google Patents
Sanding device for inner wall of small-diameter pipe fitting Download PDFInfo
- Publication number
- CN203438081U CN203438081U CN201320404967.7U CN201320404967U CN203438081U CN 203438081 U CN203438081 U CN 203438081U CN 201320404967 U CN201320404967 U CN 201320404967U CN 203438081 U CN203438081 U CN 203438081U
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- sand
- storage case
- case
- mulling
- pipe fitting
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Abstract
The utility model discloses a sanding device for the inner wall of a small-diameter pipe fitting. The sanding device comprises a sand storage box used for storing abrasives, and a sand mixing box used for mixing sand, wherein a discharging hole formed in the bottom surface of the sand storage box is communicated with a sand feeding hole formed in the lower part of the sand mixing box through a sand feeding pipe; the sand feeding hole of the sand mixing box is formed below the discharging hole of the sand storage box; the included angle between the sand feeding pipe and the central line of the sand mixing box is 42-45 degrees; an air inlet is formed in the side wall of the sand mixing box, below the sand feeding hole, and is communicated with an air inlet pipe with the air pressure more than 0.5 MPa; a sand discharging hole is formed in the side wall at the top end of the sand mixing box and is communicated with the pipe fitting to be subjected to sand blasting through a sand discharging pipe. According to the sanding device, an abrasive suction mode is changed during sand blasting and the problem of sand blasting of the inner wall of the small-diameter pipe fitting with the inner diameter of phi 2 mm to phi 10 mm and two open ends is solved.
Description
Technical field
The utility model relates to a kind of device of use while carrying out surface treatment, specifically a kind of sand blasting unit.
Background technology
Sandblast is mainly used in the processing of component surface, refer to that adopting compressed air is power, the abrasive materials such as copper ore, quartz sand, diamond dust, iron sand or extra large sand are at full speed formed to high velocity jet bundle, be ejected into surface of the work that need to process with except derusting, oxide skin or other surface contaminants, utilize abrasive material to the impact of surface of the work and shear action, make the surface of workpiece obtain certain cleannes and suitable roughness.Sandblast is to spray paint etc. to process the early stage of surface treatment method, can make the mechanical performance of surface of the work improve, improve the fatigue resistance of workpiece, increase the adhesive force between surface of the work and coating, extend the durability of filming, be also conducive to levelling and the decoration of coating.
The mode that existing sandblast technology is mixed to form sand gas jet flow according to abrasive material and air-flow can be divided into jet absorption type and two kinds of sandblast modes of pressure type.Wherein the sand gas hybrid mode of pressure type sandblast is: adopt pressure vessel sand storage case, utilize air pressure to be pressed into blast tube in the abrasive material in sand storage case by control valve, in blast tube, abrasive material passes through sand gas jets formation work sand gas jet flow after mixing with boost gas.The sand gas jet flow generation type of jet absorption type sandblast is: gases at high pressure form high-speed gas jet by nozzle, and high velocity air produces negative-pressure adsorption effect, and high-velocity jets attracts abrasive material to sneak into wherein and make it acceleration, then forms sand gas jet flow by sand gas jets.
The method that jet absorption type sandblast forms sand gas jet flow is easy, with low cost, is applicable to the outer surface of part and is not subject to space constraint to have the processing of free space inner cavity of component, uses extensively at present.But be less than for diameter
pipe fitting inner wall while carrying out blasting treatment, because less, the intraluminal vapour lock of diameter of pipe fitting is larger, such device will lose the suction effect of penetrating, thereby can not realize the blasting treatment to pipe fitting inner wall.
Utility model content
The utility model technical issues that need to address are to provide a kind of free small-diameter pipe fitting inwall sand blasting unit, can be to internal diameter
between pipe fitting inner wall carry out blasting treatment.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
Free small-diameter pipe fitting inwall sand blasting unit, comprise for depositing the sand storage case of abrasive material and for the mulling case of mulling, the discharging opening arranging on sand storage case bottom surface is connected by sand-feeding tube with the sand inlet of mulling lower box part setting, the sand inlet of described mulling case is positioned at the below of sand storage case discharging opening, and the angle between described sand-feeding tube and mulling case center line is 42 °～45 °; Described mulling case is positioned on the sidewall below sand inlet air inlet is also set, and air inlet is connected with the air inlet pipe that air pressure is greater than 0.5MPa; On the top sidewall of mulling case, sand export is set, sand export is communicated with treating blast tube part by going out sandpipe.
Further improvement of the utility model is: on the sidewall of described sand storage case bottom, be provided for observing the observation window of the abrasive material surplus in sand storage case, the withstand voltage of described observation window is corresponding with the withstand voltage of sand storage case.
Further improvement of the utility model is: the top of described sand storage case is provided with the end cap for sealed storage sandbox.
Further improvement of the utility model is: described end cap comprises the intermediate interlayer that is comprised of pressure-resistant seal material, with the corresponding top layer of intermediate interlayer shape be provided with the bottom with the corresponding through hole of sand storage case charge door, described bottom is fixedly connected with sand storage case, between top layer and intermediate interlayer and bottom, is bolted.
Owing to having adopted technique scheme, the technological progress that the utility model is obtained is:
The utility model adds mulling case by the abrasive material in sand storage case by sand-feeding tube, relies on the gravity of abrasive material and the gas in air inlet pipe to mix in mulling case, and the suction of abrasive material while having changed sandblast has solved internal diameter and is
the sandblast problem of free small-diameter pipe fitting inwall of both ends open.
Sand inlet is arranged on the below of discharging opening and the angle between sand-feeding tube and the center line of mulling case is set to 42 °～45 °, has guaranteed that the abrasive material in sand storage case relies on gravity to enter smoothly in mulling case by sand-feeding tube.Bottom at sand storage case arranges observation window, conveniently determines the abrasive material surplus in sand storage case, prevents from use occurring the situation of abrasive material shortage, guarantees carrying out smoothly of production.
On sand storage case top, be provided for the end cap of sealed storage sandbox, guarantee the pressure stability in sand storage case.End cap is arranged to three layers, and bottom is fixedly connected with sand storage case, and all the other two-layer and bottoms are bolted, and are provided with the through hole corresponding with charge door on bottom, are conducive to the dismounting of end cap, reinforced convenient.Intermediate interlayer is comprised of pressure-resistant seal material, is conducive to sand storage case pressurize.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1, sand storage case, 2, observation window, 3, sand-feeding tube, 4, air inlet pipe, 5, mulling case, 6, go out sandpipe.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details:
Free small-diameter pipe fitting inwall sand blasting unit, as shown in Figure 1, comprises sand storage case 1, mulling case 5 and goes out sandpipe 6.Described sand storage case 1 is for depositing abrasive material, and mulling case 5 is for mulling.
In use, the pressure in sand storage case is set to 0.7MPa to the present embodiment.The top of described sand storage case 1 connects an end cap, for sealed storage sandbox 1, keeps the pressure stability in sand storage case 1.Described end cap is divided into three layers: top layer, intermediate interlayer and bottom.Wherein intermediate interlayer is comprised of rubber, also can select other pressure-resistant seal material.Top layer is corresponding with intermediate interlayer profile; Bottom profile is also corresponding with intermediate interlayer, and also offers through hole in the position corresponding with sand storage case 1 charge door, the convenient abrasive material that adds.The lower surface of described bottom and sand storage case 1 are welded and fixed, and top layer and intermediate interlayer and bottom are bolted, easy disassembly when reinforced.The discharging opening of sand storage case 1 is arranged on the bottom surface of sand storage case 1.
One observation window 2 is set, for observing the abrasive material surplus of sand storage case 1 on the sidewall of the bottom of sand storage case 1.For not affecting the normal use of sand storage case 1, described observation window 2 needs to bear the force value that is greater than 0.7MPa.
The sand inlet of mulling case 5 is opened on the sidewall of mulling case 5 bottoms, and the sand inlet of mulling case 5 is positioned at the below of sand storage case 1 discharging opening; The sand inlet of mulling case 5 is connected by sand-feeding tube 3 with the discharging opening of sand storage case 1.For guaranteeing that abrasive material can enter mulling case 5 from sand storage case 1 smoothly, the angle between described sand-feeding tube 3 and the center line of mulling case 5 is set to 42 °～45 °, and this angle is set to 45 ° in the present embodiment.The bottom of mulling case 5, with sand inlet deviate from mutually opposite side sidewall on air inlet is set, for guaranteeing that abrasive material mixes, air inlet is arranged on to the below of sand inlet.Air inlet is communicated with high-pressure air source by air inlet pipe 4, and the air pressure that air inlet pipe 4 is born is greater than 0.5MPa.On the sidewall of the top of mulling case 5, sand export is set, sand export is connected with pipe fitting to be painted by going out sandpipe 6.
The utility model can be realized and to internal diameter be
the blasting treatment of pipe fitting inner wall.When using the utility model, if pipe fitting to be painted is distant, can by blast tube, be communicated with pipe fitting to be painted going out sandpipe 6 places.
Claims (4)
1. free small-diameter pipe fitting inwall sand blasting unit, comprise sand storage case (1) for depositing abrasive material and for the mulling case (5) of mulling, it is characterized in that: the discharging opening arranging on described sand storage case (1) bottom surface is connected by sand-feeding tube (3) with the sand inlet that mulling case (5) bottom arranges, the sand inlet of described mulling case (5) is positioned at the below of sand storage case (1) discharging opening, and the angle between described sand-feeding tube (3) and mulling case (5) center line is 42 °～45 °; Described mulling case (5) is positioned on the sidewall below sand inlet air inlet is also set, and air inlet is connected with the air inlet pipe (4) that air pressure is greater than 0.5MPa; On the top sidewall of mulling case (5), sand export is set, sand export is communicated with treating blast tube part by going out sandpipe (6).
2. free small-diameter pipe fitting inwall sand blasting unit according to claim 1, it is characterized in that: on the sidewall of described sand storage case (1) bottom, be provided for observing the observation window (2) of the abrasive material surplus in sand storage case (1), the withstand voltage of described observation window is corresponding with the withstand voltage of sand storage case (1).
3. according to the free small-diameter pipe fitting inwall sand blasting unit described in claim 1 or 2 any one, it is characterized in that: the top of described sand storage case (1) is provided with the end cap for sealed storage sandbox.
4. free small-diameter pipe fitting inwall sand blasting unit according to claim 3, it is characterized in that: described end cap comprises the intermediate interlayer that is comprised of pressure-resistant seal material, with the corresponding top layer of intermediate interlayer shape be provided with the bottom with the corresponding through hole of sand storage case (1) charge door, described bottom is fixedly connected with sand storage case (1), between top layer and intermediate interlayer and bottom, is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320404967.7U CN203438081U (en) | 2013-07-08 | 2013-07-08 | Sanding device for inner wall of small-diameter pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320404967.7U CN203438081U (en) | 2013-07-08 | 2013-07-08 | Sanding device for inner wall of small-diameter pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438081U true CN203438081U (en) | 2014-02-19 |
Family
ID=50089155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320404967.7U Withdrawn - After Issue CN203438081U (en) | 2013-07-08 | 2013-07-08 | Sanding device for inner wall of small-diameter pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331702A (en) * | 2013-07-08 | 2013-10-02 | 河北华北柴油机有限责任公司 | Sand blasting apparatus for small diameter pipe fitting inner walls |
-
2013
- 2013-07-08 CN CN201320404967.7U patent/CN203438081U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331702A (en) * | 2013-07-08 | 2013-10-02 | 河北华北柴油机有限责任公司 | Sand blasting apparatus for small diameter pipe fitting inner walls |
| CN103331702B (en) * | 2013-07-08 | 2016-06-08 | 河北华北柴油机有限责任公司 | Free small-diameter pipe fitting inwall sandblast apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |