CN203636642U - Flow-controllable continuous sand ejector - Google Patents
Flow-controllable continuous sand ejector Download PDFInfo
- Publication number
- CN203636642U CN203636642U CN201320792516.5U CN201320792516U CN203636642U CN 203636642 U CN203636642 U CN 203636642U CN 201320792516 U CN201320792516 U CN 201320792516U CN 203636642 U CN203636642 U CN 203636642U
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- CN
- China
- Prior art keywords
- central tube
- batch
- flow
- venturi nozzle
- blasting machine
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000004576 sand Substances 0.000 title abstract description 8
- 238000005488 sandblasting Methods 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 10
- 239000003082 abrasive agent Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract description 41
- 229910000030 sodium bicarbonate Inorganic materials 0.000 abstract description 18
- 235000017557 sodium bicarbonate Nutrition 0.000 abstract description 18
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XHFLOLLMZOTPSM-UHFFFAOYSA-M sodium;hydrogen carbonate;hydrate Chemical compound [OH-].[Na+].OC(O)=O XHFLOLLMZOTPSM-UHFFFAOYSA-M 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a flow-controllable continuous sand ejector. The flow-controllable continuous sand ejector comprises a feeding tank, a central tube arranged inside the feeding tank, a regulating rod and an air compressing device arranged at the top end of the feeding tank, wherein a feed port is formed in the upper part of the feeding tank; an outlet pipe is arranged on the lower part of the feeding tank and connected with a sand ejecting pipe and a sand nozzle; a Venturi nozzle is formed in the bottom of the central tube and extends into the outlet pipe; the top end of the central tube is closed, and the upper part of the central tube passes through the top of the feeding tank and can slide up and down relative to the top of the feeding tank; the regulating rod is directly aligned to the upper part of the central tube; an air charging pipe which is communicated with the upper part of the central tube and used for inputting dry compressed air to the central tube through the air charging pipe is arranged on the air compressing device. By adopting the dry compressed air as a power source and conveying sodium bicarbonate powder according to the Venturi theory, the sand ejector has an effect of solving the problem of blocking of pipelines and nozzles caused by agglomeration of the sodium bicarbonate.
Description
Technical field
The utility model relates to sand-blasting machine technical field, particularly, relates to the controlled continuous sand blasting machine of a kind of flow, is applicable to spray the materials that easily lump such as sodium bicarbonate.
Background technology
Existing sand-blasting machine is divided into suction-type and forced two kinds, spray sodium bicarbonate with sand-blasting machine and can be used for cleaning the coating, rust deposite, dirty and do not damage base material that remove body surface, but sodium bicarbonate (sodium acid carbonate) is water suction caking easily, poor fluidity, frangible, cause spraying sodium bicarbonate with these two kinds of sand-blasting machines and have a lot of defects.
Material is sucked blast tube by the negative pressure that suction-type sand-blasting machine utilizes compressed air high-speed motion to produce in spray gun, material is directly communicated with atmosphere, be used for spraying sodium bicarbonate and can make pipeline and spray nozzle clogging because sodium bicarbonate absorbs airborne moisture caking, causing can not be continuously, evenly spray, and causes inefficiency.
Forced sand-blasting machine can utilize dried compressed air, avoid sodium bicarbonate water suction caking plug nozzle, but when sodium bicarbonate flows to blast tube by sand valve under tank internal pressure drives, sodium bicarbonate can crushed compacting, forms damming before valve port, causes sodium bicarbonate to be carried and has some setbacks, flow-control is inaccurate, especially while requiring low discharge, sodium bicarbonate is often blocked valve port, cannot effectively be transferred.For continuous production, have to artificially sand valve be opened greatly, thereby cause the waste of sodium bicarbonate, increase use cost.
In view of this, urgently utility model a kind of can be continuously, evenly and flow can fine adjustment for spraying the sand-blasting machine of sodium bicarbonate.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of flow controlled continuous sand blasting machine, be applicable to spray the materials that easily lump such as sodium bicarbonate, this sand-blasting machine adopts dried compressed air source that is used as power, and utilize venturi principle to carry saleratus power, solve because of sodium bicarbonate the lump pipeline that causes and the problem of spray nozzle clogging; Simultaneously ingenious adjusting central tube lifting position, can be continuously thereby realized, even and flow can precision regulating saves land and carry out sodium bicarbonate spraying operation.
The technical solution of the utility model is as follows: the continuous sand blasting machine that a kind of flow is controlled, and comprise batch can, be located at the central tube in batch can, be located at adjusting rod and the air compression plant on batch can top; Batch can top is provided with charge door, and abrasive material enters batch can inner chamber from charge door; Batch can bottom is provided with outlet, and outlet connects sandblast nozzle; The bottom of central tube is provided with Venturi nozzle, and this Venturi nozzle stretches into this outlet, the top closure of central tube, and its top movable is connected in batch can, and its top also can slide up and down with respect to this batch can top through this batch can top; Described adjusting rod is just to described central tube top; Described air compression plant is provided with the air inlet pipe being communicated with this central tube top and is input to central tube for dried compressed air by air inlet pipe; Compressed air enters central tube and pressurizes to central tube, and central tube moves upward with Venturi nozzle, until central tube top encounters adjusting rod bottom and stop, thereby between Venturi nozzle and outlet, forms gap; Open sandblast valve and carry out spraying operation, compressed air nozzle from central tube scripture mound is ejected to outlet, pressure differential between Venturi nozzle air inlet and gas outlet is ordered about abrasive material, and from batch can, the gap between Venturi nozzle and outlet enters outlet, and mix with the dried compressed air of Venturi nozzle ejection, then enter blast tube, spray from sandblast nozzle.
The outer surface of described Venturi nozzle is cylinder cone or other cone, and is provided with one to several grooves.
Described groove is cone tank, straight trough or skewed slot.
Described Venturi nozzle outer surface is pyramidal structure.
Adjusting rod position-adjustable.
Described adjusting rod is by manual, electronic, air pressure or hydraulic regulation.
Described adjusting rod is screw type or piston cylinder operator.
Described batch can bottom is cone or other cone.
Described batch can is metal material or non-metallic material.
The continuous sand blasting machine that described flow is controlled, when work, saleratus power adds and enters batch can inner chamber from charge door, after feeding in raw material, covers charge door sealing; Dry compressed air enters central tube to central tube and batch can pressurization from air inlet pipe, and under compressed air pressure effect, central tube moves up with Venturi nozzle, until adjusting rod bottom is encountered on central tube top, the motion of central tube stops; When spraying operation, compressed air is ejected to outlet from the Venturi nozzle of central tube bottom, and Venturi nozzle air inlet pressure is greater than gas outlet pressure, and the pressure differential between air inlet and gas outlet is to order about the mobile power of saleratus power; The outer surface of Venturi nozzle is designed with one to several grooves, or the tapered structure of global design, when central tube moves upward like this, between Venturi nozzle outer surface and outlet inner surface, will form gap, saleratus power can enter outlet from this gap, and compressed air is delivered to blast tube, then act on surface to be cleaned from nozzle ejection;
In addition, by regulating the upper-lower position of adjusting rod can regulate easily the amplitude of central tube rising, thereby regulate the size in above-mentioned gap, reach the feed flow of accurate control sodium bicarbonate.
The beneficial effects of the utility model are: the continuous sand blasting machine that flow described in the utility model is controlled, adopt the dried compressed air source that is used as power, pressure differential while utilizing spraying operation between Venturi nozzle air inlet and gas outlet is ordered about abrasive material and is entered outlet from the gap between Venturi nozzle and outlet, prevent abrasive agglomerate and blocking pipe and the mouth of pipe, further, the amplitude that adopts adjusting rod to regulate central tube to rise, thereby regulate the size in gap between Venturi nozzle outer surface and outlet inner surface, and then control the amount of the sodium bicarbonate of ejection, reach the object of fine adjustment sodium bicarbonate emitted dose.
Accompanying drawing explanation
Fig. 1 is the structural representation of the controlled continuous sand blasting machine of flow described in the utility model.
Fig. 2 is the enlarged drawing at Figure 1A place.
Fig. 3 is the structural representation of the Venturi nozzle of the controlled continuous sand blasting machine of flow described in the utility model.
Fig. 4 is another structural representation of the Venturi nozzle of the controlled continuous sand blasting machine of flow described in the utility model.
Fig. 5 is a structural representation again of the Venturi nozzle of the controlled continuous sand blasting machine of flow described in the utility model.
Fig. 6 is a structural representation again of the Venturi nozzle of the controlled continuous sand blasting machine of flow described in the utility model.
The specific embodiment
See figures.1.and.2, the continuous sand blasting machine 100 that a kind of flow is controlled, comprises batch can 110, central tube 120, adjusting rod 130 and air compression plant (not showing).Described batch can 110 external wall of upper portion are provided with charge door 111, and bottom outer wall is provided with outlet 115, and outlet 115 connects sandblast nozzle 118.Described central tube 120 has top 121, bottom 122 and top 123, and bottom 122 is provided with Venturi nozzle 124.Described central tube 120 tops 121 are movably connected on described batch can 110, and its top slides up and down through described batch can 110 tops top that can relatively described batch can 110, and remainder is located at described batch can 110 inside.Described Venturi nozzle 124 stretches in outlet 115.Described air compression plant is provided with air inlet pipe 112, and air inlet pipe 112 and described central tube 120 are communicated with.
See figures.1.and.2, the external wall of upper portion of described batch can 110 is also provided with the adjusting rod 130 of position-adjustable.The bottom 131 of this adjusting rod 130 is positioned at the top on the top 123 of described central tube 120.In the time of the bottom 131 of adjusting rod 130 described in described central tube 120 rises to its top 123 butts, stop rising.Now, be located at the outer surface 125 of Venturi nozzle 124 of the bottom 122 of central tube 120 and the inwall of described outlet 115 116 and form gap 117 between the two.
See figures.1.and.2, described batch can 110 is communicated with described charge door 111, adds batch can 110 inner chambers for abrasive material through described charge door 111.After reinforced, cover described charge door 111 sealing.Described air inlet pipe 112 connects blowing plant, and dried compressed air enters described central tube 120 through described air inlet pipe 112.The top 123 of this central tube 120 is sealed, and therefore compressed air enters after described central tube 120, and the compressed air pressure of central tube 120 inside orders about central tube 120 and rises, until described in its top 123 butts when the bottom 131 of adjusting rod 130, stop rising.Now, described Venturi nozzle 124 rises under the drive of central tube 120, between the outer surface 125 of described Venturi nozzle 124 and the inwall 116 of described outlet 115, forms gap 117.Now, open sandblast valve and carry out spraying operation, the abrasive material in batch can 110 inner chambers enters described outlet 115 from this gap 117, and the dried compressed air spraying with Venturi nozzle 124 mixes, and then enters outlet 115, sprays from sandblast nozzle 118.
Obviously, the size in described gap 117 has determined the spray volume of abrasive material, and the amplitude that described central tube 120 rises has determined the size in gap 117.Therefore, can adjust by controlling the position of described adjusting rod 130 size in described gap 117, thus the spray volume of regulation and control abrasive material.
Preferably, with reference to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, as a preferred embodiment of the present utility model, described Venturi nozzle 124 is cylinder or other cylinders, its outer surface 125 is provided with one to several grooves 126.Described groove 126 is cone tank, straight trough or skewed slot.
Preferably, described Venturi nozzle 124 is cone or other cone.
Adjusting rod described in the utility model can be set to by manual adjustments, motorized adjustment, air pressure adjustment or hydraulic regulation.
The structure of described adjusting rod can be screw type or in the form of piston.
Described batch can bottom is cone or other cone.
Described batch can is metal or non-metallic material.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, its framework form can be flexible and changeable, can subseries product.Just make some simple deduction or replace, all should be considered as belonging to the utility model by the definite scope of patent protection of submitted to claims.
Claims (9)
1. the controlled continuous sand blasting machine of flow, is characterized in that, comprises batch can, is located at the central tube in batch can, is located at adjusting rod and the air compression plant on batch can top; Batch can top is provided with charge door, and abrasive material enters batch can inner chamber from charge door; Batch can bottom is provided with outlet, and outlet connects blast tube and sandblast nozzle; The bottom of central tube is provided with Venturi nozzle, and this Venturi nozzle stretches into this outlet, the top closure of central tube, and its top movable is connected in batch can, and its top also can slide up and down with respect to this batch can top through this batch can top; Described adjusting rod is just to described central tube top; Described air compression plant is provided with the air inlet pipe being communicated with this central tube top and is input to central tube for dried compressed air by air inlet pipe; Compressed air enters central tube and pressurizes to central tube, and central tube moves upward with Venturi nozzle, until central tube top encounters adjusting rod bottom and stop, thereby between Venturi nozzle and jet, forms gap; Open sandblast valve and carry out spraying operation, compressed air nozzle from central tube scripture mound is ejected to outlet, pressure differential between Venturi nozzle air inlet and gas outlet is ordered about abrasive material, and from batch can, the gap between Venturi nozzle and outlet enters outlet, and mix with the dried compressed air of Venturi nozzle ejection, then enter blast tube, spray from sandblast nozzle.
2. the controlled continuous sand blasting machine of flow as claimed in claim 1, is characterized in that, described Venturi nozzle be cylinder, and be provided with one to several grooves at its outer surface.
3. the controlled continuous sand blasting machine of flow as claimed in claim 2, is characterized in that, described groove is cone tank, straight trough or skewed slot.
4. the controlled continuous sand blasting machine of flow as claimed in claim 2, is characterized in that, described Venturi nozzle outer surface is pyramidal structure.
5. the controlled continuous sand blasting machine of flow as described in claim 1-4 any one, is characterized in that adjusting rod position-adjustable.
6. the controlled continuous sand blasting machine of flow as claimed in claim 1, is characterized in that, described adjusting rod is by manual, electronic, air pressure or hydraulic regulation.
7. the controlled continuous sand blasting machine of flow as claimed in claim 1, is characterized in that, described adjusting rod is structure screw type or in the form of piston.
8. the controlled continuous sand blasting machine of flow as claimed in claim 1, is characterized in that, described batch can bottom is cone.
9. the controlled continuous sand blasting machine of flow as claimed in claim 1, is characterized in that, described batch can is metal material or non-metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792516.5U CN203636642U (en) | 2013-12-02 | 2013-12-02 | Flow-controllable continuous sand ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792516.5U CN203636642U (en) | 2013-12-02 | 2013-12-02 | Flow-controllable continuous sand ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636642U true CN203636642U (en) | 2014-06-11 |
Family
ID=50867920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320792516.5U Expired - Fee Related CN203636642U (en) | 2013-12-02 | 2013-12-02 | Flow-controllable continuous sand ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203636642U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385150A (en) * | 2013-12-02 | 2015-03-04 | 郭晓军 | Flow-controllable continuous sandblasting machine |
| CN105881225A (en) * | 2016-04-22 | 2016-08-24 | 广州城建职业学院 | Pressure sand blasting device for micro-powder sand |
| CN107116483A (en) * | 2017-06-08 | 2017-09-01 | 肇庆市端州区麒诺机械科技有限公司 | A kind of controllable continuous sand blasting machine of flow |
| CN117067115A (en) * | 2023-10-12 | 2023-11-17 | 南安市奥力石业有限公司 | High-hardness marble water cutting equipment |
-
2013
- 2013-12-02 CN CN201320792516.5U patent/CN203636642U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385150A (en) * | 2013-12-02 | 2015-03-04 | 郭晓军 | Flow-controllable continuous sandblasting machine |
| CN105881225A (en) * | 2016-04-22 | 2016-08-24 | 广州城建职业学院 | Pressure sand blasting device for micro-powder sand |
| CN107116483A (en) * | 2017-06-08 | 2017-09-01 | 肇庆市端州区麒诺机械科技有限公司 | A kind of controllable continuous sand blasting machine of flow |
| CN117067115A (en) * | 2023-10-12 | 2023-11-17 | 南安市奥力石业有限公司 | High-hardness marble water cutting equipment |
| CN117067115B (en) * | 2023-10-12 | 2023-12-15 | 南安市奥力石业有限公司 | High-hardness marble water cutting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 |