CN111037472A - Sand blasting method for metal pipe - Google Patents
Sand blasting method for metal pipe Download PDFInfo
- Publication number
- CN111037472A CN111037472A CN201911392360.XA CN201911392360A CN111037472A CN 111037472 A CN111037472 A CN 111037472A CN 201911392360 A CN201911392360 A CN 201911392360A CN 111037472 A CN111037472 A CN 111037472A
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- CN
- China
- Prior art keywords
- metal pipe
- sand blasting
- sand
- metal
- blaster
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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
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
- B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
- B24C3/12—Apparatus using nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
Abstract
The invention discloses a sand blasting method for a metal pipe, which comprises the following steps: (1) driving the metal pipe to move forward along the length extension direction of the metal pipe, and carrying out sand blasting on the front end of the first side surface of the metal pipe through a sand blaster until the sand blasting on the whole first side surface of the metal pipe is completed along the front-back direction; (2) driving the metal pipe to rotate for a certain angle around the axis line direction of the metal pipe, then driving the metal pipe to retreat along the length extension direction of the metal pipe, and carrying out sand blasting on the rear end of the second side surface of the metal pipe by a sand blaster until the sand blasting on the whole second side surface of the metal pipe is completed along the front-back direction; (3) and adjusting the back and forth reciprocating times and the intermittent rotation times of the metal pipe according to the sand blasting covering angle of the sand blaster so as to perform at least one time of sand blasting on the whole outer circumferential surface of the metal pipe. The sand blasting method for the metal pipe is relatively low in energy consumption, and can ensure the uniformity of polishing the surface of the metal pipe.
Description
Technical Field
The invention relates to a sand blasting method for a metal pipe.
Background
When the metal pipe is subjected to sand blasting and polishing, the sand sprayed by the sand blaster is located in a certain range, so that the whole circumferential surface of the metal pipe cannot be covered, and the metal pipe cannot be covered along the length extension direction of the metal pipe. In the prior art, the problem is solved by arranging the sand blasters at a plurality of different positions, so that the energy consumption is high, and the uniformity of surface polishing of the metal pipe cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a sand blasting method for a metal pipe, which has relatively low energy consumption and can ensure the uniformity of polishing the surface of the metal pipe.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method of grit blasting metal tubing comprising the steps of:
(1) driving a metal pipe to advance along the length extension direction of the metal pipe, and carrying out sand blasting on the front end of the first side surface of the metal pipe through a sand blaster until the sand blasting on the whole first side surface of the metal pipe is completed along the front-back direction;
(2) driving the metal pipe to rotate for a certain angle around the axis line direction of the metal pipe, then driving the metal pipe to retreat along the length extension direction of the metal pipe, and carrying out sand blasting on the rear end of the second side surface of the metal pipe through the sand blaster until the sand blasting on the whole second side surface of the metal pipe is completed along the front-back direction;
(3) and adjusting the back and forth reciprocating times and the intermittent rotation times of the metal pipe according to the sand blasting covering angle of the sand blaster so as to perform at least one time of sand blasting on the whole outer circumferential surface of the metal pipe.
Preferably, after one end of the metal pipe penetrates into the sleeve, the sleeve penetrates into the jaw assembly, and a gap for disconnecting the sleeve is formed in the sleeve along the axial direction of the sleeve.
Preferably, in the step (1), the metal pipe is driven to advance at a constant speed along the length extension direction of the metal pipe until the rear end of the metal pipe is located in a sand blasting area of the sand blaster and sand blasting is finished.
Preferably, in the step (2), the metal pipe is driven to retreat at a constant speed along the length extension direction of the metal pipe until the front end of the metal pipe is positioned in a sand blasting area of the sand blaster and sand blasting is finished.
Preferably, the angle of sand blasting coverage of the sand blaster is α, wherein 0 degrees is less than α degrees and less than or equal to 180 degrees, the angle of single rotation of the metal pipe is β degrees, β = α when α can be evenly divided by 360 degrees, and β is less than or equal to α when α cannot be evenly divided by 360 degrees.
Preferably, in step (3), step (1) and step (2) are alternately repeated as necessary to perform sand blasting at least once on the entire outer circumferential surface of the metal pipe.
Preferably, the first side surface and the second side surface are both arc surfaces, and the outer circumferential surface of the metal pipe is formed by encircling the first side surface, the second side surface, the third side surface … … and the like.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention relates to a sand blasting method for a metal pipe, which enables the metal pipe to move along the length extension direction of the metal pipe and pass through a sand blasting area of a sand blaster, after sand blasting of one side surface is completed, the metal pipe rotates around the axis line direction of the metal pipe and sand blasting of the other side surface is completed, the steps are repeated until sand blasting of the whole outer circumferential surface of the metal pipe is completed, the sand blaster can uniformly polish the whole surface of the metal pipe, and the energy consumption is relatively low.
Drawings
FIG. 1 is a schematic diagram of a metal pipe reciprocating through a sand blasting area once;
FIG. 2 is a schematic structural view of a metal pipe installed in a jaw assembly;
figure 3 is a cross-sectional view of the cannula.
Wherein: 1. a metal pipe; 2. a sleeve; 3. a jaw assembly; 4. a sand blaster.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Referring to fig. 2-3, after one end of a metal pipe 1 is coaxially inserted into a sleeve 2, the sleeve 2 is coaxially inserted into a jaw assembly 3, and a gap for disconnecting the sleeve 2 is formed on the sleeve 2 along the axial direction thereof. The jaw component 3 drives the metal pipe 1 to rotate around the axis direction of the metal pipe and reciprocate along the length extension direction of the metal pipe.
The sleeve 2 is provided with a gap along the axial direction, the gap is used for disconnecting the sleeve 2 along the radial direction of the sleeve 2, and the sleeve 2 disconnected along the gap is rectangular after being flattened. Through setting up this sleeve pipe 2, make 1 surface of metal tubular product difficult for being pressed from both sides by the chuck subassembly 3 and hinder, have this clearance through the setting sleeve pipe 2, make metal tubular product 1 can be easier penetrate in this sleeve pipe 2. Meanwhile, for the metal pipes 1 with different diameters, the sleeve 2 can be sleeved, and the difference is that the width of the gap is different after the metal pipes 1 with different diameters are sleeved. Obviously, the sleeve 2 should have a certain elasticity.
Referring to fig. 1, there is shown an embodiment 1 of the method of the present invention, which is a blasting method for metal pipes, comprising the steps of:
(1) driving the metal pipe 1 to move forward (move leftward) along the length extension direction of the metal pipe 1, and blasting sand to the front end (left end) of the first side surface of the metal pipe 1 through a sand blower 4 until the sand blasting to the whole first side surface of the metal pipe 1 is completed along the front-back direction; specifically, the metal pipe 1 is driven to move forward leftwards at a constant speed until the rear end (right end) of the metal pipe 1 is positioned in a sand blasting area of a sand blaster 4 and sand blasting is finished; the step corresponds to the two diagrams;
(2) after the metal pipe 1 is driven to rotate for a certain angle around the axis line direction of the metal pipe 1, the metal pipe 1 is driven to retreat (move rightwards) along the length extension direction of the metal pipe 1, and the sand blasting is carried out on the rear end (right end) of the second side surface of the metal pipe 1 through a sand blaster 4 until the sand blasting on the whole second side surface of the metal pipe 1 is completed along the front-back direction; specifically, the metal pipe 1 is driven to retreat rightwards at a constant speed until the front end (left end) of the metal pipe 1 is positioned in the sand blasting area of the sand blaster 4 again and sand blasting is finished; this step corresponds to the following two block diagrams;
(3) the number of times of back and forth reciprocating movement and the number of times of intermittent rotation of the metal pipe 1 are adjusted according to the angle of sand blasting coverage of the sand blaster 4 to perform at least one time of sand blasting on the entire outer circumferential surface of the metal pipe 1.
The angle of sand blasting coverage of the sand blaster 4 is α, wherein the angle is more than 0 degrees and less than α degrees and less than or equal to 180 degrees, the angle of single rotation of the metal pipe 1 is β, when α can be evenly divided by 360 degrees, β = α, and when α cannot be evenly divided by 360 degrees, β is less than or equal to α.
In this embodiment, the sand blaster 4 blasted the entire outer circumferential surface of the metal pipe 1 at α =180 °, in step (1), the metal pipe 1 passes through the sand blaster 4 from right to left, and the sand blaster 4 blasted the entire first side surface, i.e., 180 ° of the arc surface, and in step (2), the metal pipe 1 rotates β =180 °, and then passes through the sand blaster 4 from left to right, and the sand blaster 4 blasted the entire second side surface, i.e., 180 ° of the other arc surface, to complete the sand blasting of the entire outer circumferential surface of the metal pipe 1.
In example 2, the sand blaster 4 blasted the entire outer circumferential surface of the metal pipe 1 at an angle α =120 °, and the metal pipe 1 was rotated 120 ° from right to left after passing through the sand blaster 4, then passed through the sand blaster 4 from left to right, and then passed through the sand blaster 4 from right to left after being rotated 120 °.
In example 3, the angle α =90 ° covered by the sandblaster 4 by sandblasting is achieved, the metal pipe 1 is rotated 90 ° after passing through the sandblaster 4 from right to left, then passes through the sandblaster 4 from left to right, then passes through the sandblaster 4 from right to left after being rotated 90 °, and finally passes through the sandblaster 4 from left to right after being rotated 90 ° again, so that the sandblasting of the entire outer circumferential surface of the metal pipe 1 is completed.
In example 4, the sand blaster 4 blasted the entire outer circumferential surface of the metal pipe 1 at an angle α =130 °, and the metal pipe 1 was rotated 130 ° from right to left after passing through the sand blaster 4, then passed through the sand blaster 4 from left to right, and then rotated 100 ° from right to left after passing through the sand blaster 4, to thereby complete the sand blasting of the entire outer circumferential surface of the metal pipe 1.
In example 5, the sand blaster 4 blasted the entire outer circumferential surface α =130 °, and the metal pipe 1 was rotated 130 ° from right to left after passing through the sand blaster 4, then passed through the sand blaster 4 from left to right, and then passed through the sand blaster 4 from right to left after being rotated 130 °, to thereby complete the sand blasting of the entire outer circumferential surface of the metal pipe 1.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (7)
1. A sand blasting method for metal pipes is characterized in that: the method comprises the following steps:
(1) driving a metal pipe to advance along the length extension direction of the metal pipe, and carrying out sand blasting on the front end of the first side surface of the metal pipe through a sand blaster until the sand blasting on the whole first side surface of the metal pipe is completed along the front-back direction;
(2) driving the metal pipe to rotate for a certain angle around the axis line direction of the metal pipe, then driving the metal pipe to retreat along the length extension direction of the metal pipe, and carrying out sand blasting on the rear end of the second side surface of the metal pipe through the sand blaster until the sand blasting on the whole second side surface of the metal pipe is completed along the front-back direction;
(3) and adjusting the back and forth reciprocating times and the intermittent rotation times of the metal pipe according to the sand blasting covering angle of the sand blaster so as to perform at least one time of sand blasting on the whole outer circumferential surface of the metal pipe.
2. A method of sandblasting a metal tube as claimed in claim 1, characterized in that: and after one end of the metal pipe penetrates into a sleeve, penetrating the sleeve into the jaw assembly, and forming a gap for disconnecting the sleeve on the sleeve along the axial direction of the sleeve.
3. A method of sandblasting a metal tube as claimed in claim 1, characterized in that: in the step (1), the metal pipe is driven to move forward at a constant speed along the length extension direction of the metal pipe until the rear end of the metal pipe is positioned in a sand blasting area of the sand blaster and sand blasting is finished.
4. A method of sandblasting a metal tube as claimed in claim 1, characterized in that: in the step (2), the metal pipe is driven to retreat at a constant speed along the length extension direction of the metal pipe until the front end of the metal pipe is positioned in a sand blasting area of the sand blaster and sand blasting is finished.
5. The sand blasting method for the metal pipe as claimed in claim 1, wherein the angle covered by sand blasting of the sand blaster is α, wherein 0 ° < α ° or less than 180 °, the angle of a single turn of the metal pipe is β, β = α when α can be evenly divided by 360 °, and β or less than α when α cannot be evenly divided by 360 °.
6. A method of sandblasting a metal tube as claimed in claim 1, characterized in that: in the step (3), the steps (1) and (2) are alternately repeated as required to perform sand blasting at least once on the entire outer circumferential surface of the metal pipe.
7. A method of sandblasting a metal tube as claimed in claim 1, characterized in that: the first side face and the second side face are both arc faces, and the outer circumferential face of the metal pipe is formed by encircling the first side face, the second side face, the third side face … … and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911392360.XA CN111037472B (en) | 2019-12-30 | 2019-12-30 | Sand blasting method for metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911392360.XA CN111037472B (en) | 2019-12-30 | 2019-12-30 | Sand blasting method for metal pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111037472A true CN111037472A (en) | 2020-04-21 |
| CN111037472B CN111037472B (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911392360.XA Active CN111037472B (en) | 2019-12-30 | 2019-12-30 | Sand blasting method for metal pipe |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1172172A (en) * | 1966-11-18 | 1969-11-26 | Pangborn Corp | Continuous Cleaning Apparatus |
| GB2092490A (en) * | 1981-02-11 | 1982-08-18 | Pipeline Induction Heat Ltd | Improvements in pipe surface treatment |
| CN201931357U (en) * | 2010-12-22 | 2011-08-17 | 宁波诺士敦机电有限公司 | Automatic sand blasting machine |
| CN202358464U (en) * | 2011-10-28 | 2012-08-01 | 扬州亚联钢管有限公司 | Steel pipe end protection sleeve |
| KR200475663Y1 (en) * | 2013-10-08 | 2014-12-19 | 이영숙 | Sand blast machine |
| CN205904888U (en) * | 2016-06-24 | 2017-01-25 | 佛山市建春友金属科技有限公司 | Apparatus for producing of stainless steel full gloss mirror surface sandblast board |
| CN206425144U (en) * | 2017-01-21 | 2017-08-22 | 万利 | A kind of portable spray-painting plant |
| CN206952797U (en) * | 2017-04-25 | 2018-02-02 | 山东科瑞机械制造有限公司 | A kind of pipeline inner and outer surfaces processing unit |
| WO2018055012A1 (en) * | 2016-09-20 | 2018-03-29 | Duo Blast Equipment Limited | Apparatus configured to provide both wet and dry blasting and method for operating such an apparatus |
| CN108284393A (en) * | 2018-03-13 | 2018-07-17 | 无锡市日升机械厂 | The dedicated horizontal sand-blasting machine of metal circular tube outer wall |
| CN208117595U (en) * | 2018-03-06 | 2018-11-20 | 南通安泰新材料科技有限公司 | A kind of rotary target material sand-blasting machine |
| CN208358603U (en) * | 2018-06-12 | 2019-01-11 | 广东先导稀材股份有限公司 | Sand blasting unit |
| CN208697184U (en) * | 2018-04-09 | 2019-04-05 | 天津市瑞通钢铁有限公司 | Sand blasting unit is used in a kind of processing of steel pipe |
| CN109604713A (en) * | 2019-01-30 | 2019-04-12 | 陈秋 | A kind of intelligent numerical control sawing machine |
-
2019
- 2019-12-30 CN CN201911392360.XA patent/CN111037472B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1172172A (en) * | 1966-11-18 | 1969-11-26 | Pangborn Corp | Continuous Cleaning Apparatus |
| GB2092490A (en) * | 1981-02-11 | 1982-08-18 | Pipeline Induction Heat Ltd | Improvements in pipe surface treatment |
| CN201931357U (en) * | 2010-12-22 | 2011-08-17 | 宁波诺士敦机电有限公司 | Automatic sand blasting machine |
| CN202358464U (en) * | 2011-10-28 | 2012-08-01 | 扬州亚联钢管有限公司 | Steel pipe end protection sleeve |
| KR200475663Y1 (en) * | 2013-10-08 | 2014-12-19 | 이영숙 | Sand blast machine |
| CN205904888U (en) * | 2016-06-24 | 2017-01-25 | 佛山市建春友金属科技有限公司 | Apparatus for producing of stainless steel full gloss mirror surface sandblast board |
| WO2018055012A1 (en) * | 2016-09-20 | 2018-03-29 | Duo Blast Equipment Limited | Apparatus configured to provide both wet and dry blasting and method for operating such an apparatus |
| CN206425144U (en) * | 2017-01-21 | 2017-08-22 | 万利 | A kind of portable spray-painting plant |
| CN206952797U (en) * | 2017-04-25 | 2018-02-02 | 山东科瑞机械制造有限公司 | A kind of pipeline inner and outer surfaces processing unit |
| CN208117595U (en) * | 2018-03-06 | 2018-11-20 | 南通安泰新材料科技有限公司 | A kind of rotary target material sand-blasting machine |
| CN108284393A (en) * | 2018-03-13 | 2018-07-17 | 无锡市日升机械厂 | The dedicated horizontal sand-blasting machine of metal circular tube outer wall |
| CN208697184U (en) * | 2018-04-09 | 2019-04-05 | 天津市瑞通钢铁有限公司 | Sand blasting unit is used in a kind of processing of steel pipe |
| CN208358603U (en) * | 2018-06-12 | 2019-01-11 | 广东先导稀材股份有限公司 | Sand blasting unit |
| CN109604713A (en) * | 2019-01-30 | 2019-04-12 | 陈秋 | A kind of intelligent numerical control sawing machine |
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| Publication number | Publication date |
|---|---|
| CN111037472B (en) | 2022-03-18 |
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