CN108687404B - Inner burr removing device for small-caliber welded steel pipe - Google Patents
Inner burr removing device for small-caliber welded steel pipe Download PDFInfo
- Publication number
- CN108687404B CN108687404B CN201810415195.4A CN201810415195A CN108687404B CN 108687404 B CN108687404 B CN 108687404B CN 201810415195 A CN201810415195 A CN 201810415195A CN 108687404 B CN108687404 B CN 108687404B
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- steel pipe
- welded steel
- clamping
- motor
- seat
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 238000007664 blowing Methods 0.000 claims abstract description 44
- 238000003466 welding Methods 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract description 3
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000002861 polymer material Substances 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000005674 electromagnetic induction Effects 0.000 abstract 1
- 239000004677 Nylon Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
Abstract
The invention discloses a device for removing inner burrs of a small-caliber welded steel pipe, which is used for mincing the inner burrs and cleaning the inner burrs from the pipe, and comprises: the device comprises a mounting seat and an air blowing device, wherein the mounting seat is provided with a clamping device, a guide cylinder, a driving motor, a steel pipe translation driving mechanism and a motor translation driving mechanism which respectively drive the welded steel pipe and the driving motor to translate, an output shaft of the driving motor is connected with a supporting rod, and the end part of the supporting rod is provided with a drill bit; the blowing device comprises: the blowing seat is provided with a central hole, the end surface of one side of the blowing seat is provided with at least two magnets and an annular blowing groove, and the bottom wall of the annular blowing groove is provided with a blowing channel penetrating through the blowing seat; the driving motor is installed on the motor base, and the motor base is movably arranged on the installation base through the linear guide mechanism. The device for removing the inner burrs of the small-caliber welded steel pipe is particularly suitable for welded steel pipes with calibers below 150 mm formed by welding based on electromagnetic induction.
Description
Technical Field
The invention relates to an in-pipe deburring device, in particular to an in-pipe deburring device for a small-caliber welded steel pipe.
Background
At present, when removing the interior burr in the small-bore welded steel pipe, adopt artificial method usually, go through the welded steel pipe with a rod that is slightly thinner than the welded steel pipe internal diameter, at the in-process that leads to, the interior burr in the welded steel pipe often can be twisted together, operating personnel need spend very big strength just can clear away the interior burr in the welded steel pipe, work efficiency is very low, intensity of labour is very big, and sometimes still can form the jam and can't clear away interior burr from the steel pipe because the interior burr that twists together.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a device for removing inner burrs of a small-caliber welded steel pipe, which is used for mincing the inner burrs and cleaning the inner burrs from the pipe.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a burr device in small-bore welded steel pipe removes, includes: the mount pad with welding steel pipe matched with gas blowing device, the activity be provided with on the mount pad with welding steel pipe matched with fixture and driving motor, this clamping device's concrete structure includes: the device comprises a clamping seat, at least two clamping wheels and a clamping driving mechanism, wherein the clamping wheels are respectively and movably arranged on the clamping seat along the circumferential direction through respective rotating shafts, the clamping driving mechanism is used for driving the clamping wheels to do radial opening and closing motion, a clamping groove matched with a welded steel pipe is formed in the circumferential side surface of each clamping wheel, a guide cylinder with an upward opening, a motor translation driving mechanism which enables a driving motor to do linear movement along the length direction of the guide cylinder and a steel pipe translation driving mechanism which is used for driving the welded steel pipe to do linear movement along the length direction of the guide cylinder are further arranged on the mounting seat, a supporting rod with the diameter smaller than the inner diameter of the welded steel pipe is connected to an output shaft of the driving motor, and a drill bit matched with the inner diameter of the welded steel; the air blowing device comprises: the air blowing seat is provided with a central hole with the inner diameter larger than the outer diameter of the supporting rod and smaller than the inner diameter of the welded steel pipe, at least two adsorption pits matched with the end surface of the welded steel pipe are arranged on the end surface of the air blowing seat facing the welded steel pipe, magnets are arranged in the adsorption pits, an annular air blowing groove corresponding to the gap between the supporting rod and the inner wall of the welded steel pipe is arranged at the position close to the central hole of the end surface of the air blowing seat facing the welded steel pipe, an air blowing channel penetrating through the air blowing seat is arranged on the bottom wall of the annular air blowing groove, an air connector used for being connected with an external air source is arranged on the outer port of the air blowing channel, and the specific mounting structure of the driving motor comprises: the motor base is movably arranged on the mounting base through the linear guide mechanism and is connected with an output rod of the motor translation driving mechanism.
As a preferable scheme, in the device for removing the inner burrs of the small-caliber welded steel pipe, the clamping wheel is made of plastic, nylon or other high polymer materials, and the clamping groove is a V-shaped groove.
As a preferable scheme, in the device for removing inner burrs of the small-caliber welded steel pipe, the clamping wheel comprises: the clamping groove is a V-shaped groove and is arranged on the outer wheel.
As a preferable mode, in the internal burr removing device for a small-caliber welded steel pipe, the linear guide mechanism includes: the sliding groove is formed in the mounting seat along the length direction of the guide cylinder, a sliding block matched with the sliding groove is arranged at the bottom of the motor seat, and the sliding block is arranged in the sliding groove of the mounting seat in a sliding mode.
As a preferable scheme, in the device for removing inner burrs of the small-caliber welded steel pipe, a lining cylinder made of plastics, nylon or other high polymer materials is arranged on the inner wall of the guide cylinder.
As a preferable scheme, in the device for removing the inner burrs of the small-caliber welded steel pipe, the motor translation driving mechanism is an air cylinder or an oil cylinder, and a piston rod of the air cylinder or the oil cylinder is connected with the motor base as an output rod of the motor translation driving mechanism.
The invention has the beneficial effects that: the invention adopts the driving motor to drive the drill bit to rotate so as to break the inner burrs in the welded steel pipe and blow off the broken burrs in time through the air blowing device, thereby realizing the cleaning of the burrs in the welded steel pipe, greatly improving the working efficiency, reducing the labor intensity and enabling the inner surface of the welded steel pipe to be smoother. In addition, because the motor translation driving mechanism for driving the motor base to do linear movement is arranged, the inner burrs in the whole welded steel pipe can be removed without dead angles, the trouble of manually removing the inner burrs for the second time is eliminated, and the working efficiency is further improved.
Drawings
FIG. 1 is a schematic structural diagram of the internal burr removing device for the small-caliber welded steel pipe.
FIG. 2 is a schematic view of a partial sectional structure of the internal burr removing device for a small-caliber welded steel pipe.
Fig. 3 is an enlarged left-side sectional view of one configuration of the chucking wheel of fig. 1.
Fig. 4 is an enlarged left-side sectional view of another structure of the chucking wheel in fig. 1.
Fig. 5 is an enlarged structural view in a left-side view of the air blowing base in fig. 1.
The reference numerals in fig. 1 to 5 are: 1. the device comprises a mounting seat, 2, a guide cylinder, 21, a lining cylinder, 3, a welded steel pipe, 4, a supporting rod, 5, a drill bit, 6, a driving motor, 61, a coupler, 62, a motor seat, 621, a sliding block, 7, an oil cylinder, 8, an air blowing seat, 80, a central hole, 81, an adsorption pit, 82, an annular air blowing groove, 83, an air blowing channel, 9, a clamping wheel, 90, a rotating shaft, 91, an inner wheel, 92, an outer wheel, 93, a V-shaped clamping groove, 10, a magnet, 11 and a sliding groove.
Detailed Description
The following describes in detail a specific embodiment of the device for removing inner burrs of a small-caliber welded steel pipe according to the present invention with reference to fig. 1 to 5.
As shown in fig. 1 and 2, the internal burr removing device for a small-caliber welded steel pipe of the present invention comprises: the device comprises a mounting seat 1 (generally arranged on a rack or a part of the rack) and an air blowing device matched with a welded steel pipe 3, wherein the mounting seat 1 is provided with an upward-opening guide cylinder 2 matched with the welded steel pipe 3, and the inner wall of the guide cylinder 2 is provided with an upward-opening lining cylinder 21 made of plastics, nylon or other high polymer materials; the activity be provided with driving motor 6 on mount pad 1, its specific mounting structure includes: a motor cabinet 62 for installing driving motor 6, motor cabinet 62 slide through linear guide mechanism and set up on mount pad 1, and this linear guide mechanism's concrete structure includes: a sliding groove 11 formed in the mounting base 1, a sliding block 621 matched with the sliding groove 11 is arranged at the bottom of the motor base 62, and the sliding block 621 is slidably arranged in the sliding groove 11 of the mounting base 1; an output shaft of the driving motor 6 is connected with a supporting rod 4 with the diameter smaller than the inner diameter of the welded steel pipe 3 through a coupler 61, and a drill bit 5 matched with the inner diameter of the welded steel pipe 3 is arranged at the end part of the supporting rod 4; the mount pad 1 on the activity be provided with clamping device, this clamping device includes: the device comprises a clamping seat (belonging to the conventional technology in the field and not shown in the figure), at least two clamping wheels 9 which are respectively and movably arranged on the clamping seat along the circumferential direction through respective rotating shafts 90 and are made of plastic, nylon or other high polymer materials, and a clamping driving mechanism for driving the clamping wheels to do radial opening and closing movement, wherein V-shaped clamping grooves 93-shown in figure 3 are formed in the clamping wheels 9, and a steel pipe translation driving mechanism (belonging to the conventional technology in the field and not shown in the figure) for driving the welded steel pipe 3 to do linear movement along the length direction of a guide cylinder 2 is further arranged on an installation seat 1; as shown in fig. 1, 2 and 5, the specific structure of the air blowing device includes: a blowing seat 8, wherein a central hole 80 with an inner diameter larger than the outer diameter of the supporting rod 4 and smaller than the inner diameter of the welded steel pipe 3 is formed in the blowing seat 8, at least two adsorption pits 81 matched with the end surface of the welded steel pipe 3 are formed in the end surface of one side of the blowing seat 8 facing the welded steel pipe 3, a magnet 10 is arranged in each adsorption pit 81, an annular blowing groove 82 corresponding to a gap between the supporting rod 4 and the inner wall of the welded steel pipe 3 is formed in the position close to the central hole 80 on the end surface of one side of the blowing seat 8 facing the welded steel pipe 3, a blowing channel 83 penetrating through the blowing seat 8 is formed in the bottom wall of each annular blowing groove 82, and an air connector (belonging to the conventional technology in the field and not shown in the figure) for connecting with an external air source is arranged on the port of the; the mounting base 1 is also provided with an oil cylinder 7 which is used as a motor translation driving mechanism and is used for driving the motor base 62 to move linearly along the length direction of the guide cylinder 2, and a piston rod of the oil cylinder 7 is connected with the motor base 62.
In practical application, the oil cylinder 7 for driving the motor base 62 to move linearly may be replaced by an air cylinder or other linear driving mechanism. As shown in fig. 4, the clamping wheel may be arranged in another structure, which includes: an inner wheel 91 made of metal material and an outer wheel 92 made of plastic, nylon or other polymer material, the "V" shaped clamping groove 93 being opened on the outer wheel 92.
When the welding device is used in practice, firstly, the pair of clamping wheels 9 are moved away to two sides, the welding steel pipe 3 manufactured on a welding steel pipe production line falls into a roller way on the same straight line with the guide cylinder 2, the head of the welding steel pipe 3 just falls into the space between the at least two clamping wheels 9, at this time, the blowing seat 8 is adsorbed on the end surface of the corresponding end of the welding steel pipe 3, the at least two clamping wheels 9 are moved towards the welding steel pipe 3, so that the welding steel pipe 3 is clamped by the clamping wheels 9, then, the driving motor 6 and the steel pipe translation driving mechanism are started, the driving motor 6 drives the drill 5 to rotate for smashing internal burrs in the welding steel pipe 3, the steel pipe translation driving mechanism pushes the welding steel pipe 3 forwards, when the other end of the welding steel pipe 3 quickly reaches the clamping wheels 9, the oil cylinder 7 is started to work, the driving motor 6 is pushed to move towards the direction of the clamping, so that the drill bit 5 drills through the welded steel tube 3. After the drill bit 5 drills through the welded steel pipe 3, the oil cylinder 7 returns to the original position, the steel pipe translation driving mechanism works reversely, the welded steel pipe 3 returns to the original roller way, the clamping wheel 9 is removed, and the welded steel pipe 3 with inner burrs removed is conveyed to the next pass. Next, the next cycle is started.
In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the invention, and all equivalent changes and modifications made in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a burr device in small-bore welded steel pipe removes, includes: the mount pad, its characterized in that, the mount pad on the activity be provided with welding steel pipe matched with fixture and driving motor, this clamping device's concrete structure includes: the device comprises a clamping seat, at least two clamping wheels and a clamping driving mechanism, wherein the clamping wheels are respectively and movably arranged on the clamping seat along the circumferential direction through respective rotating shafts, the clamping driving mechanism is used for driving the clamping wheels to do radial opening and closing motion, a clamping groove matched with a welded steel pipe is formed in the circumferential side surface of each clamping wheel, a guide cylinder with an upward opening, a motor translation driving mechanism enabling a driving motor to do linear movement along the length direction of the guide cylinder, and a steel pipe translation driving mechanism used for driving the welded steel pipe to do linear movement along the length direction of the guide cylinder are further arranged on an installation seat, a supporting rod with the diameter smaller than the inner diameter of the welded steel pipe is connected to an output shaft of the driving motor, and a drill bit matched with the inner diameter of the welded steel pipe; small-bore welded steel pipe remove interior burr device still including: with welding steel pipe matched with gas blowing device, this gas blowing device includes: the air blowing seat is provided with a central hole with the inner diameter larger than the outer diameter of the supporting rod and smaller than the inner diameter of the welded steel pipe, at least two adsorption pits matched with the end surface of the welded steel pipe are arranged on the end surface of the air blowing seat facing the welded steel pipe, magnets are arranged in the adsorption pits, an annular air blowing groove corresponding to the gap between the supporting rod and the inner wall of the welded steel pipe is arranged at the position close to the central hole of the end surface of the air blowing seat facing the welded steel pipe, an air blowing channel penetrating through the air blowing seat is arranged on the bottom wall of the annular air blowing groove, an air connector used for being connected with an external air source is arranged on the outer port of the air blowing channel, and the specific mounting structure of the driving motor comprises: the motor base is movably arranged on the mounting base through the linear guide mechanism and is connected with an output rod of the motor translation driving mechanism.
2. The small-caliber welded steel pipe internal burr removing device according to claim 1, characterized in that: the clamping wheel is made of plastic or other high polymer materials, and the clamping groove is a V-shaped groove.
3. The small-caliber welded steel pipe internal burr removing device according to claim 1, characterized in that: the centre gripping wheel including: the clamping groove is a V-shaped groove and is arranged on the outer wheel.
4. The small-caliber welded steel pipe internal burr removing device according to claim 1, characterized in that: the linear guide mechanism comprises: the sliding groove is formed in the mounting seat along the length direction of the guide cylinder, a sliding block matched with the sliding groove is arranged at the bottom of the motor seat, and the sliding block is arranged in the sliding groove of the mounting seat in a sliding mode.
5. The small-caliber welded steel pipe internal burr removing device according to claim 1, characterized in that: and the inner wall of the guide cylinder is provided with a lining cylinder made of plastics or other high polymer materials.
6. The small-caliber welded steel pipe internal burr removing device according to any one of claims 1 to 5, wherein: the motor translation driving mechanism is an air cylinder or an oil cylinder, and a piston rod of the air cylinder or the oil cylinder is used as an output rod of the motor translation driving mechanism and is connected with the motor base.
Priority Applications (1)
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CN201810415195.4A CN108687404B (en) | 2018-05-03 | 2018-05-03 | Inner burr removing device for small-caliber welded steel pipe |
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CN201810415195.4A CN108687404B (en) | 2018-05-03 | 2018-05-03 | Inner burr removing device for small-caliber welded steel pipe |
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CN108687404A CN108687404A (en) | 2018-10-23 |
CN108687404B true CN108687404B (en) | 2020-08-11 |
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CN201810415195.4A Active CN108687404B (en) | 2018-05-03 | 2018-05-03 | Inner burr removing device for small-caliber welded steel pipe |
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CN111774662A (en) * | 2019-04-03 | 2020-10-16 | 海信(浙江)空调有限公司 | Pipe orifice burr treatment device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202062140U (en) * | 2011-04-01 | 2011-12-07 | 浙江大吉医疗器械有限公司 | Internal thread forming device of oil pipe |
CN202934193U (en) * | 2012-10-31 | 2013-05-15 | 常州腾龙轻合金材料有限公司 | Device for removing burrs in aluminum alloy high-frequency welding straight-welded pipe |
CN203471505U (en) * | 2013-10-08 | 2014-03-12 | 保定多田冷却设备有限公司 | Device for polishing punching burrs on inner wall of radiator oil collecting tube for transformer |
CN104723193A (en) * | 2015-03-13 | 2015-06-24 | 番禺珠江钢管有限公司 | Welding pipe inside burr grinding device |
CN204448726U (en) * | 2014-11-18 | 2015-07-08 | 海隆管道工程技术服务有限公司 | A kind of steel pipe inner wall blow device |
CN204639773U (en) * | 2015-05-27 | 2015-09-16 | 中日龙(襄阳)机电技术开发有限公司 | Full-automatic blowing liquid blows bits workpiece cleaner |
CN205684435U (en) * | 2016-05-24 | 2016-11-16 | 重庆恒升建材有限公司 | A kind of header clout blows device |
CN107263240A (en) * | 2017-06-26 | 2017-10-20 | 四川金易管业有限公司 | A kind of steel pipe removes internal hair thorn device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0234273B2 (en) * | 1986-02-20 | 1990-08-02 | Kazuo Takamori | TOOCHINOHETSUDONOKOZO |
TWI599431B (en) * | 2015-11-03 | 2017-09-21 | 財團法人工業技術研究院 | Laser treatment device and laser scrap removal device |
CN205765356U (en) * | 2016-06-24 | 2016-12-07 | 光隆精密工业(福州)有限公司 | Endoporus deburring and pneumatic jet blowing-iron bits structure |
-
2018
- 2018-05-03 CN CN201810415195.4A patent/CN108687404B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202062140U (en) * | 2011-04-01 | 2011-12-07 | 浙江大吉医疗器械有限公司 | Internal thread forming device of oil pipe |
CN202934193U (en) * | 2012-10-31 | 2013-05-15 | 常州腾龙轻合金材料有限公司 | Device for removing burrs in aluminum alloy high-frequency welding straight-welded pipe |
CN203471505U (en) * | 2013-10-08 | 2014-03-12 | 保定多田冷却设备有限公司 | Device for polishing punching burrs on inner wall of radiator oil collecting tube for transformer |
CN204448726U (en) * | 2014-11-18 | 2015-07-08 | 海隆管道工程技术服务有限公司 | A kind of steel pipe inner wall blow device |
CN104723193A (en) * | 2015-03-13 | 2015-06-24 | 番禺珠江钢管有限公司 | Welding pipe inside burr grinding device |
CN204639773U (en) * | 2015-05-27 | 2015-09-16 | 中日龙(襄阳)机电技术开发有限公司 | Full-automatic blowing liquid blows bits workpiece cleaner |
CN205684435U (en) * | 2016-05-24 | 2016-11-16 | 重庆恒升建材有限公司 | A kind of header clout blows device |
CN107263240A (en) * | 2017-06-26 | 2017-10-20 | 四川金易管业有限公司 | A kind of steel pipe removes internal hair thorn device |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A device for removing internal burrs in small diameter welded steel pipes Effective date of registration: 20240102 Granted publication date: 20200811 Pledgee: China Construction Bank Zhangjiagang branch Pledgor: Jiangsu Huacheng Industry Pipe Making Corp. Registration number: Y2024980000045 |
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