CN108942449B - Pipe hole surface batch grinding and dust collection device - Google Patents
Pipe hole surface batch grinding and dust collection device Download PDFInfo
- Publication number
- CN108942449B CN108942449B CN201810640184.6A CN201810640184A CN108942449B CN 108942449 B CN108942449 B CN 108942449B CN 201810640184 A CN201810640184 A CN 201810640184A CN 108942449 B CN108942449 B CN 108942449B
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- Prior art keywords
- fan
- hole
- shell
- grinding head
- dust collection
- Prior art date
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- 239000000428 dust Substances 0.000 title claims abstract description 59
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005498 polishing Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000007517 polishing process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a pipe hole surface batch grinding and dust collection device which is characterized by comprising a shell, wherein a batch grinding device is arranged on the upper side of the shell, and a dust collection device for sucking dust generated by the batch grinding device into the shell is arranged in the shell. The shell in the handheld device of workshop operating personnel can be polished, derusted and greasy dirt removed by starting the power source to the pipe hole groove surface on the header or the short pipe joint fillet weld surface on the header. Compared with the manual batch grinding method adopted at present, the device can remarkably improve the production efficiency. In addition, the polishing machine has dust adsorption and recovery functions in the polishing process of the product surface, and meets the related environmental protection requirements.
Description
Technical Field
The invention provides a pipe hole surface batch grinding and dust collection device.
Background
The pipe joint of the large pipe is designed on the boiler component header, large-area drilling operation is required to be carried out on the header body, and after pipe hole machining is finished, large-area manual batch grinding is required to be carried out on the groove surfaces of the pipe holes on the header body before pipe joint assembling operation is carried out, so that the purposes of rust removal and oil stain removal are achieved.
At present, the manufacturing workshop adopts a method of manually carrying out batch grinding on the groove surfaces of the pipe holes on the header body by adopting a manual handheld pneumatic grinder. By adopting the processing method, a large amount of manual operation is needed, a large amount of manpower and material resources are consumed, the manufacturing cost is high, and the mass production and manufacturing of workshops are not facilitated.
Disclosure of Invention
The invention aims to provide a pipe hole surface batch grinding and dust collection device.
In order to achieve the above purpose, the invention provides a pipe hole surface batch grinding and dust collection device which is characterized by comprising a shell, wherein a batch grinding device is arranged on the upper side of the shell, and a dust collection device for sucking dust generated by the batch grinding device into the shell is arranged in the shell.
Further, the pipe hole surface batch grinding and dust collection device also comprises a power source, the batch grinding device is a pipe hole grinding head or a pipe fitting grinding head, the dust collection device comprises an upper fan and a lower fan which are arranged in the shell, the power source outputs rotation torque to the upper fan and the lower fan at the same time, the upper fan and the lower fan simultaneously generate rotation motions, the pipe hole grinding head or the pipe fitting grinding head is fixedly connected with a middle shaft of the upper fan, and when the upper fan rotates, the pipe hole grinding head or the pipe fitting grinding head can generate the same rotation motions.
Further, the middle part of the shell is provided with taper, the inner diameter of the upper part of the shell is larger than that of the lower part of the shell, the upper fan and the lower fan are arranged on the upper part of the shell, and the bottom of the shell is connected with the dust recovery device; the middle part of casing is equipped with the cross, and the cross center is equipped with the ring that is used for carrying out spacing to the axis of lower fan, is equipped with the round hole that is used for installing the power supply on the middle part lateral wall of casing.
Furthermore, the upper side of the shell is provided with an end cover, the batch grinding device is arranged on the upper side of the end cover, the end cover is provided with a positioning hole and a dust collection hole, and the dust collection hole is arranged around the positioning hole.
Further, the upper fan comprises a central shaft, a positive rotation fan and a bevel gear, wherein the positive rotation fan and the bevel gear are arranged on the central shaft, external threads are arranged at the upper end of the central shaft, a connecting shaft is arranged at the lower end of the central shaft, and the bevel gear is positioned below the positive rotation fan.
Further, the lower fan comprises a central shaft, a counter-rotating fan and a bevel gear, wherein the counter-rotating fan and the bevel gear are arranged on the central shaft, the bevel gear is arranged above the counter-rotating fan, a connecting hole is formed in the upper end of the central shaft, and a limiting shaft is arranged at the lower end of the central shaft.
Furthermore, the power source is provided with a bevel gear.
Still further, the tube hole grinding head include tube hole grinding head body, the center of tube hole grinding head body is equipped with the location axle, the lower extreme of location axle is equipped with the screw, the edge of tube hole grinding head body is equipped with the wire brush, still is equipped with the dust absorption hole on the tube hole grinding head body, the dust absorption hole is located between wire brush and the location axle.
Still further, pipe fitting bistrique include pipe fitting bistrique body, the center of pipe fitting bistrique body is equipped with locating hole and screw, the locating hole is located the screw upside, pipe fitting bistrique body still is equipped with wire brush and dust absorption hole, wire brush and dust absorption hole are all located pipe fitting bistrique central position all around.
Further, the rotation action between the upper fan and the lower fan is designed as follows: when the upper fan rotates clockwise, the lower fan rotates counterclockwise. Conversely, when the upper fan rotates counterclockwise, the lower fan rotates clockwise.
Compared with the prior art, the invention has the beneficial effects that:
the shell in the handheld device of workshop operating personnel can be polished, derusted and greasy dirt removed by starting the power source to the pipe hole groove surface on the header or the short pipe joint fillet weld surface on the header. Compared with the manual batch grinding method adopted at present, the device can remarkably improve the production efficiency. In addition, the polishing machine has dust adsorption and recovery functions in the polishing process of the product surface, and meets the related environmental protection requirements.
Drawings
FIG. 1 is a front view of a tube hole surface batch mill and dust extraction device;
FIG. 2 is a top view of a tube hole surface batch mill and dust extraction device;
FIG. 3 is a cross-sectional view of a tube hole surface batch grinding and dust extraction device with a tube hole grinding head;
FIG. 4 is a cross-sectional view of a tube hole surface batch mill with a tube grater and a dust extraction device;
FIG. 5a is a front view of the housing; FIG. 5b is a top view of the housing;
FIG. 6a is a cross-sectional view of an end cap; FIG. 6b is a top view of the end cap;
FIG. 7 is a schematic diagram of an upper fan;
FIG. 8 is a schematic diagram of a lower fan;
FIG. 9 is a schematic diagram of a power source;
FIG. 10a is a cross-sectional view of a tube bore grater; FIG. 10b is a top view of a tube hole grater;
FIG. 11a is a cross-sectional view of a tube mill head; fig. 11b is a top view of the tube grater.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
Examples
As shown in fig. 1-4, the pipe hole surface batch grinding and dust collection device of the present embodiment includes a housing 1, a batch grinding device is disposed on the upper side of the housing 1, and a dust collection device for sucking dust generated by the batch grinding device into the housing 1 is disposed in the housing 1. The pipe hole surface batch grinding and dust collection device also comprises a power source 6, the batch grinding device is a pipe hole grinding head 7 or a pipe fitting grinding head 8, the dust collection device comprises an upper fan 3 and a lower fan 4 which are arranged in the shell 1, the power source 6 outputs rotation torque to the upper fan 3 and the lower fan 4 simultaneously, the upper fan 3 and the lower fan 4 simultaneously generate rotation motions, the pipe hole grinding head 7 or the pipe fitting grinding head 8 is fixedly connected with a central shaft of the upper fan 3, and when the upper fan rotates, the pipe hole grinding head or the pipe fitting grinding head can generate the same rotation motions.
As shown in fig. 5a and 5b, the middle part of the casing 1 has a taper of 1-1, the diameter Φ1 of the upper part of the casing 1 is larger than the diameter Φ2 of the lower part of the casing 1, the upper fan 3 and the lower fan 4 are arranged on the upper part of the casing 1, and the bottom of the casing 1 is connected with a dust recovery device; the middle part of the shell 1 is provided with a cross 1-2, the center of the cross 1-2 is provided with a circular ring 1-3 used for limiting the center shaft of the lower fan 4, and the parts are welded. The side wall of the middle part of the shell 1 is provided with round holes 1-4 for matching and installing a power source 6, and the two are connected in a threaded or welded way. The power source 6 is arranged on the shell 1 and is positioned between the upper fan 3 and the lower fan 4. The pipe hole grinding head 7 or the pipe fitting grinding head 8 is arranged on the upper fan 3.
As shown in fig. 6a and 6b, the upper side of the housing 1 is provided with an end cover 2, the size of the end cover 2 is phi 1, and the connection mode between the two is threaded connection or welding and bonding connection, which is the same as the size of phi 1 in the housing 1. The batch grinding device is arranged on the upper side of the end cover 2, the end cover 2 is provided with a first positioning hole 2-1 and a first dust collection hole 2-2, and the first dust collection hole 2-2 is arranged around the first positioning hole 2-1. In this embodiment, the number of the first positioning holes 2-1 is 1, and the first positioning holes are disposed at the center of the end cover 2. The number of the first dust collection holes 2-2 is 6, and the first dust collection holes are arranged at the periphery of the center of the end cover 2 and are concentric with the first positioning holes 2-1.
As shown in fig. 7, the upper fan 3 includes a first central shaft 3-2, a forward rotating fan 3-3 and a first bevel gear 3-4 which are arranged on the first central shaft 3-2, an external thread 3-1 is arranged at the upper end of the first central shaft 3-2, a connecting shaft 3-5 is arranged at the lower end of the first central shaft 3-2, and the first bevel gear 3-4 is arranged below the forward rotating fan 3-3. The external thread 3-1 in the upper fan 3 passes through the first positioning hole 2-1 in the end cover 2, and sliding friction contact is arranged between the external thread and the first positioning hole. The external thread 3-1 in the upper fan 3 is arranged at the center of the top end, and the connecting shaft 3-5 is arranged at the center of the bottom end. The upper fan 3 is in a stepped shaft shape, and the outer diameter sizes of the external threads 3-1 and the connecting shaft 3-5 are smaller than the middle shaft 3-2. The first bevel gears 3-4 are arranged downward.
As shown in fig. 8, the lower fan 4 includes a second central shaft 4-2, a counter-rotating fan 4-3 and a second bevel gear 4-4 which are arranged on the second central shaft 4-2, the second bevel gear 4-4 is arranged above the counter-rotating fan 4-3, a connecting hole 4-1 is arranged at the upper end of the second central shaft 4-2, and a limiting shaft 4-5 is arranged at the lower end of the second central shaft 4-2. The limiting shaft 4-5 in the lower fan 4 is arranged on the circular ring 1-3 in the shell 1, wherein an axial rolling bearing 5 is arranged between the limiting shaft 4-5 and the circular ring 1-3. The connecting hole 4-1 in the lower fan 4 is arranged at the center position of the top end, and the limiting shaft 4-5 is arranged at the center position of the bottom end. The lower fan 4 is in a stepped shaft shape, and the outer diameter of the limiting shaft 4-5 is smaller than that of the second center shaft 4-2. The second bevel gear 4-4 in the lower fan 4 is provided to be disposed upward. The connecting shaft 3-5 of the upper fan 3 is installed in the connecting hole 4-1 of the lower fan 4, and sliding friction contact is formed between the connecting shaft and the connecting hole. An axial rolling bearing 5 is arranged between the connecting shaft 3-5 and the connecting hole 4-1.
As shown in fig. 9, the power source 6 is provided with bevel gears 6-1, and the bevel gears 6-1 in the power source 6 are respectively meshed with the first bevel gear 3-4 in the upper fan 3 and the second bevel gear 4-4 in the lower fan 4.
As shown in fig. 10a and 10b, the pipe hole grinding head 7 comprises a pipe hole grinding head body, a positioning shaft 7-1 is arranged in the center of the pipe hole grinding head body, a first screw hole 7-4 is arranged at the lower end of the positioning shaft 7-1, a first steel wire brush 7-2 is arranged at the edge of the pipe hole grinding head body, a second dust collection hole 7-3 is further arranged on the pipe hole grinding head body, and the second dust collection hole 7-3 is located between the first steel wire brush 7-2 and the positioning shaft 7-1. The number of the positioning shafts 7-1 in the pipe hole grinding head 7 is 1, and the positioning shafts are arranged at the center of the pipe hole grinding head 7 and are used for positioning the pipe holes of the product collecting box. The first steel wire brushes 7-2 and the second dust collection holes 7-3 in the pipe hole grinding head 7 are 4 in number and 6 in number, and are both arranged at the periphery of the center of the pipe hole grinding head 7 and concentric with the positioning shaft 7-1. The number of the first screw holes 7-4 in the pipe hole grinding head 7 is 1, and the first screw holes are arranged at the back position of the positioning shaft 7-1 and are concentric with the positioning shaft 7-1.
As shown in fig. 11a and 11b, the pipe fitting grinding head comprises a pipe fitting grinding head body, a second positioning hole 8-1 and a second screw hole 8-4 are arranged in the center of the pipe fitting grinding head body, the second positioning hole 8-1 is located on the upper side of the second screw hole 8-4, a second wire brush 8-2 and a third dust collection hole 8-3 are further arranged in the pipe fitting grinding head body, and the second wire brush 8-2 and the third dust collection hole 8-3 are all arranged at the periphery of the center of the pipe fitting grinding head 8. In this embodiment, the number of the second positioning holes 8-1 in the pipe fitting grinding head 8 is 1, and the second positioning holes are arranged at the center of the pipe fitting grinding head 8 and are used for positioning the short pipe joint on the product header. The number of the second steel wire brushes 8-2 in the pipe fitting grinding head 8 is 4, the number of the third dust collection holes 8-3 is 6, and the second steel wire brushes and the third dust collection holes are both arranged at the periphery of the center of the pipe fitting grinding head 8 and are concentric with the second positioning holes 8-1. The number of the second screw holes 8-4 in the pipe fitting grinding head 8 is 1, and the second screw holes are arranged in the center of the second positioning hole 8-1.
The pipe hole grinding head 7 and the pipe fitting grinding head 8 are designed into grinding tools, and can be replaced correspondingly according to use requirements. The first screw hole 7-4 in the pipe hole grinding head 7 is matched and installed with the external screw thread 3-1 in the upper fan 3. The second screw hole 8-4 in the pipe fitting grinding head 8 is matched and installed with the external screw thread 3-1 in the upper fan 3.
The rotation action between the upper fan 3 and the lower fan 4 is designed as follows: when the upper fan 3 rotates clockwise, the lower fan 4 rotates counterclockwise. Conversely, when the upper fan 3 rotates counterclockwise, the lower fan 4 rotates clockwise. The pipe hole grinding head 7 or the pipe fitting grinding head 8 is installed on the external screw thread 3-1 in the upper fan 3, that is, when the upper fan 3 rotates, the pipe hole grinding head 7 or the pipe fitting grinding head 8 can generate the same rotation motion.
When the upper fan 3 rotates clockwise, the design structure of the forward rotating fan 3-3 in the upper fan 3 can generate a gas adsorption effect, even if the gas flow direction is: an adsorption effect is generated inwards by the end cover 2. When the lower fan 4 rotates counterclockwise, the design structure of the counter-rotating fan 4-3 in the lower fan 4 can also generate a gas adsorption effect even if the gas flow direction is: an adsorption effect is produced inwards from the end cap 2.
The application method of the pipe hole surface batch grinding and dust collection device comprises the following steps:
1. the device is provided with various parts, the assembly of the internal parts of the device is completed, and the bottom of the shell 1 is connected with a dust recovery device. According to actual processing needs, a pipe hole grinding head 7 and a pipe fitting grinding head 8 are correspondingly installed. If the surface of the pipe hole on the header is required to be polished, the pipe hole grinding head 7 is selected to be installed. If it is desired to polish the fillet welds of the nipple on the header, the fitting grater 8 is optionally installed. In this embodiment, the pipe hole grinding head 7 is exemplified.
2. The workshop operator holds the shell 1 in the invention, and stretches the positioning shaft 7-1 in the pipe hole grinding head 7 into the pipe hole of the header; the power source 6 is started, so that the first steel wire brush 7-2 in the pipe hole grinding head 7 generates a rotary motion, and the operations of polishing, cleaning, rust removing and greasy dirt removing on the surface of the pipe hole of the header can be realized. The device also has the dust adsorption and recovery functions in the polishing and cleaning process of the product surface, and meets the related environmental protection requirements.
3. The starting power source 6 is closed, a workshop operator holds the shell 1 in the device of the invention, and the locating shaft 7-1 in the pipe hole grinding head 7 is pulled out of the pipe hole of the header, thus finishing the surface polishing and cleaning of the pipe hole of the single header. The above operation is repeated, and the polishing and cleaning operation can be continuously carried out on the pipe hole surface on the header.
Claims (3)
1. The pipe hole surface batch grinding and dust collection device is characterized by comprising a shell, wherein a batch grinding device is arranged on the upper side of the shell, a dust collection device used for sucking dust generated by the batch grinding device into the shell is arranged in the shell, the pipe hole surface batch grinding and dust collection device further comprises a power source, the batch grinding device is a pipe hole grinding head or a pipe fitting grinding head, the dust collection device comprises an upper fan and a lower fan which are arranged in the shell, the power source is arranged outside the shell, one end of the power source stretches into the shell and is connected with the upper fan and the lower fan, the power source outputs rotation torque to the upper fan and the lower fan at the same time, so that the upper fan and the lower fan simultaneously generate rotation action, and the pipe hole grinding head or the pipe fitting grinding head are fixedly connected with a central shaft of the upper fan;
the middle part of the shell is provided with a taper, the inner diameter of the upper part of the shell is larger than that of the lower part of the shell, the upper fan and the lower fan are arranged on the upper part of the shell, and the bottom of the shell is connected with a dust recovery device; the middle part of the shell is provided with a cross, the center of the cross is provided with a circular ring used for limiting the center shaft of the lower fan, and the side wall of the middle part of the shell is provided with a round hole used for installing a power source;
the upper side of the shell is provided with an end cover, the batch grinding device is arranged on the upper side of the end cover, the end cover is provided with a positioning hole and a dust collection hole, and the dust collection hole is arranged around the positioning hole;
the upper fan comprises a central shaft, a positive rotation fan and a bevel gear, wherein the positive rotation fan and the bevel gear are arranged on the central shaft, the upper end of the central shaft is provided with external threads, the lower end of the central shaft is provided with a connecting shaft, and the bevel gear is positioned below the positive rotation fan;
the lower fan comprises a central shaft, a counter-rotating fan and a bevel gear, wherein the counter-rotating fan and the bevel gear are arranged on the central shaft, the bevel gear is arranged above the counter-rotating fan, a connecting hole is formed in the upper end of the central shaft, a limiting shaft is arranged at the lower end of the central shaft, and the bevel gear is arranged on the power source;
the rotation action between the upper fan and the lower fan is designed as follows: when the upper fan rotates clockwise, the lower fan rotates anticlockwise, otherwise, when the upper fan rotates anticlockwise, the lower fan rotates clockwise.
2. The pipe hole surface batch grinding and dust collection device according to claim 1, wherein the pipe hole grinding head comprises a pipe hole grinding head body, a positioning shaft is arranged in the center of the pipe hole grinding head body, a screw hole is arranged at the lower end of the positioning shaft, a steel wire brush is arranged at the edge of the pipe hole grinding head body, dust collection holes are further formed in the pipe hole grinding head body, and the dust collection holes are located between the steel wire brush and the positioning shaft.
3. The pipe hole surface batch grinding and dust collection device of claim 1, wherein the pipe fitting grinding head comprises a pipe fitting grinding head body, a positioning hole and a screw hole are formed in the center of the pipe fitting grinding head body, the positioning hole is located on the upper side of the screw hole, a steel wire brush and a dust collection hole are further formed in the pipe fitting grinding head body, and the steel wire brush and the dust collection hole are formed in the periphery of the center of the pipe fitting grinding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640184.6A CN108942449B (en) | 2018-06-20 | 2018-06-20 | Pipe hole surface batch grinding and dust collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640184.6A CN108942449B (en) | 2018-06-20 | 2018-06-20 | Pipe hole surface batch grinding and dust collection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108942449A CN108942449A (en) | 2018-12-07 |
| CN108942449B true CN108942449B (en) | 2024-02-09 |
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ID=64491407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810640184.6A Active CN108942449B (en) | 2018-06-20 | 2018-06-20 | Pipe hole surface batch grinding and dust collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108942449B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004216525A (en) * | 2003-01-16 | 2004-08-05 | Toshiba Corp | Pipe inner face polishing device |
| JP2005238417A (en) * | 2004-02-27 | 2005-09-08 | Sato Corp | Hand grinder |
| CN105817978A (en) * | 2016-05-24 | 2016-08-03 | 上海风神与风国际贸易有限公司 | Dust suction electric grinder |
| CN107159493A (en) * | 2017-06-21 | 2017-09-15 | 吉兴远（天津）环保科技有限公司 | A kind of environment protection-type building steel tube polishing spray painting all-in-one |
| CN206825220U (en) * | 2017-06-07 | 2018-01-02 | 天津市顺泽采油设备有限公司 | A kind of bearing holder (housing, cover) grinding apparatus |
| CN208811731U (en) * | 2018-06-20 | 2019-05-03 | 上海锅炉厂有限公司 | Pore surface batch mill and dust exhaust apparatus |
-
2018
- 2018-06-20 CN CN201810640184.6A patent/CN108942449B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004216525A (en) * | 2003-01-16 | 2004-08-05 | Toshiba Corp | Pipe inner face polishing device |
| JP2005238417A (en) * | 2004-02-27 | 2005-09-08 | Sato Corp | Hand grinder |
| CN105817978A (en) * | 2016-05-24 | 2016-08-03 | 上海风神与风国际贸易有限公司 | Dust suction electric grinder |
| CN206825220U (en) * | 2017-06-07 | 2018-01-02 | 天津市顺泽采油设备有限公司 | A kind of bearing holder (housing, cover) grinding apparatus |
| CN107159493A (en) * | 2017-06-21 | 2017-09-15 | 吉兴远（天津）环保科技有限公司 | A kind of environment protection-type building steel tube polishing spray painting all-in-one |
| CN208811731U (en) * | 2018-06-20 | 2019-05-03 | 上海锅炉厂有限公司 | Pore surface batch mill and dust exhaust apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108942449A (en) | 2018-12-07 |
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