CN110977664A - Large-scale steel pipe butt weld grinding device - Google Patents
Large-scale steel pipe butt weld grinding device Download PDFInfo
- Publication number
- CN110977664A CN110977664A CN201911188200.3A CN201911188200A CN110977664A CN 110977664 A CN110977664 A CN 110977664A CN 201911188200 A CN201911188200 A CN 201911188200A CN 110977664 A CN110977664 A CN 110977664A
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- Prior art keywords
- gear
- ring
- peripheral side
- steel pipe
- semi
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000005498 polishing Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a large-scale steel pipe butt weld grinding device, and relates to the technical field of steel pipe weld grinding. The invention comprises a base, wherein supporting rods are fixed on two sides of the base; a sun wheel is matched between the two supporting rods in a sliding way; a gear ring is arranged on the peripheral side surface of the sun gear; the grinding roller is in meshing transmission between the inner peripheral side surface of the gear ring and the outer peripheral side surface of the sun gear; a driving motor is fixed on the surface of the base; one end of the rotating shaft of the driving motor is fixed with a driving gear; an opening synchronous belt is sleeved between the driving gear and the peripheral side face of the gear ring. The invention adopts the structural design of planetary gear transmission, the sun gear enables the two first semi-rings to be attached and fixed with the large steel pipe through the threaded rod, the driving gear drives the gear ring to rotate through the opening synchronous belt, the three polishing rollers rotate around the large steel pipe and polish the butt weld of the large steel pipe, time and labor are saved, the efficiency of polishing the butt weld is improved, and the quality of polishing the weld is ensured.
Description
Technical Field
The invention belongs to the technical field of steel pipe weld joint polishing, and particularly relates to a large-scale steel pipe butt weld joint polishing device.
Background
Steel pipes are steel with a hollow cross section whose length is much greater than the diameter or circumference. The large steel pipe can be used for underground pipelines, petroleum, natural gas, steam heat supply, hydropower stations, sewage treatment plants, thermal power plants, water supply and drainage and other occasions. When large steel pipes are constructed and installed, two steel pipes need to be welded in a butt joint mode, and after welding, in order to obtain a smooth surface, a welding seam needs to be ground and polished.
At present, most of processing methods for large steel pipe butt welding seams on the market adopt a manual handheld small electric or pneumatic grinding machine to grind, and the grinding mode is time-consuming and labor-consuming, low in grinding efficiency and poor in grinding quality, and is difficult to meet the use requirements of people.
Disclosure of Invention
The invention aims to provide a large-sized steel pipe butt weld grinding device which solves the problems of low grinding efficiency and poor quality of the existing large-sized steel pipe butt weld by matching a base, a sun gear, a gear ring and a grinding roller and adopting a planetary gear transmission structural design.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a large-scale steel pipe butt weld grinding device, which comprises a base,
supporting rods are fixed on two sides of the base; a sun wheel is matched between the two supporting rods in a sliding way; a gear ring is arranged on the side surface of the periphery of the sun gear; the grinding roller is in meshing transmission between the inner peripheral side surface of the gear ring and the outer peripheral side surface of the sun gear; a driving motor is fixed on the surface of the base; a driving gear is fixed at one end of the rotating shaft of the driving motor; an opening synchronous belt is sleeved between the driving gear and the peripheral side face of the gear ring;
the sun gear includes two first half rings; one sides of the two first semi-rings are fixed with connecting rods; one side of the connecting rod, which is close to the peripheral side of the first semi-ring, is provided with a threaded rod and a guide rod respectively, wherein the threaded rod is rotatably connected with the connecting rod through a ball bearing;
the gear ring comprises two second half rings; the side surfaces of two ends of the two second semi-ring rings are fixedly connected through bolts;
and a threaded hole matched with the threaded rod and a guide hole matched with the guide rod are respectively arranged between opposite surfaces of the top ends of the support rods.
Furthermore, a planetary gear is fixed at one end of the grinding roller.
Furthermore, a first limiting ring groove is formed in the side face of the periphery of the first semi-ring; first ring gear periphery side just is located the inside array of first spacing annular and all is equipped with the first teeth of a cogwheel with planetary gear matched with.
Furthermore, a second limiting ring groove is formed in the inner peripheral side surface of the second half ring; second gear teeth matched with the planetary gear are arranged on the inner peripheral side surface of the second half ring and in the second limiting ring groove in an array mode; and the peripheral side surface array of the second half ring is provided with third gear teeth matched with the opening synchronous belt.
Furthermore, the array of the inner peripheral side surface of the first semi-ring is provided with anti-skid grooves; a clamping block is arranged on one end face of the first semi-ring; and the other end surface of the first semi-ring is provided with a clamping groove matched with the clamping block.
The invention has the following beneficial effects:
the polishing device comprises a base, a sun gear, a gear ring, a polishing roller, a driving gear.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a large steel pipe butt weld grinding device of the present invention;
FIG. 2 is a schematic structural diagram of a base;
FIG. 3 is a schematic view of the sun gear;
FIG. 4 is a schematic view of a ring gear configuration;
FIG. 5 is a schematic view of a structure of a grinding roller;
in the drawings, the components represented by the respective reference numerals are listed below:
1-base, 2-sun gear, 3-gear ring, 4-grinding roller, 5-driving motor, 6-driving gear, 7-open synchronous belt, 101-supporting rod, 102-threaded hole, 103-guide hole, 201-first semi-ring, 202-connecting rod, 203-threaded rod, 204-guide rod, 205-first limiting ring groove, 206-first gear tooth, 207-anti-slip groove, 208-clamping block, 209-clamping groove, 301-second semi-ring, 302-bolt, 303-second limiting ring groove, 304-second gear tooth, 305-third gear tooth and 401-planetary gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention relates to a polishing device for butt weld of large steel pipes, which comprises a base 1,
two sides of the base 1 are fixed with support rods 101; a sun wheel 2 is matched between the two supporting rods 101 in a sliding way; the side surface of the periphery of the sun gear 2 is provided with a gear ring 3; a polishing roller 4 is in meshing transmission between the inner peripheral side surface of the gear ring 3 and the outer peripheral side surface of the sun gear 2; a driving motor 5 is fixed on the surface of the base 1; one end of the rotating shaft of the driving motor 5 is fixed with a driving gear 6; an opening synchronous belt 7 is sleeved between the driving gear 6 and the peripheral side surface of the gear ring 3;
the sun wheel 2 comprises two first half-rings 201; one sides of the two first semi-rings 201 are fixed with connecting rods 202; one side of the connecting rod 202, which is close to the outer peripheral side of the first semi-ring 201, is provided with a threaded rod 203 and a guide rod 204 respectively, wherein the threaded rod 203 is rotatably connected with the connecting rod 202 through a ball bearing;
the ring gear 3 comprises two second half-rings 301; the side surfaces of two ends of the two second semi-rings 301 are fixedly connected through bolts 302;
a threaded hole 102 matched with the threaded rod 203 and a guide hole 103 matched with the guide rod 204 are respectively arranged between the opposite surfaces of the top ends of the support rods 101.
As shown in fig. 5, a planetary gear 401 is fixed to one end of the grinding roller 4.
As shown in fig. 3 and 5, a first limiting ring groove 205 is formed on the outer peripheral side surface of the first half ring 201; the first gear teeth 206 matched with the planet gears 401 are arranged on the peripheral side surface of the first semi-ring 201 and located in the first limiting ring groove 205 in an array mode.
As shown in fig. 4 and 5, a second limiting ring groove 303 is formed on the inner peripheral side surface of the second semi-ring 301; second gear teeth 304 matched with the planetary gear 401 are arranged on the inner peripheral side surface of the second semi-ring 301 and in the second limiting ring groove 303 in an array manner; the array of the peripheral side of the second semi-ring 301 is provided with a third wheel tooth 305 matched with the opening synchronous belt 7.
As shown in fig. 3, the first half-ring 201 is provided with anti-slip grooves 207 on the inner peripheral side array; a clamping block 208 is arranged on one end surface of the first semi-ring 201; the other end surface of the first semi-ring 201 is provided with a clamping groove 209 matched with the clamping block 208.
One specific application of this embodiment is: when a welding seam is polished, two first semi-rings 201 are inserted into the peripheral side surface of a large steel pipe, two threaded rods 203 are rotated, under the action of a guide rod 204, the two semi-rings 201 move relatively and are attached to the outer wall of the large steel pipe, the two first semi-rings 201 surround to form a sun gear 2, the two second semi-rings 301 surround to form a gear ring 3 through bolts 302, the gear ring 3 is sleeved on the peripheral side surfaces of the large steel pipe and the small steel pipe, planetary gears 401 at the ends of three polishing rollers 4 are respectively inserted between a first limiting ring groove 205 and a second limiting ring groove 303, the planetary gears 401 are respectively meshed with a first gear tooth 206 and a second gear tooth 304, an opening synchronous belt 7 is sleeved on the peripheral side surface of the large steel pipe and is connected through solvent cement, the opening synchronous belt 7 is sleeved on a driving gear 6 and a third gear tooth 305, the gear ring 3 is driven to rotate through the, because the sun wheel 2 is fixedly connected with the large steel pipe, the three grinding rollers 4 rotate around the large steel pipe and rotate to grind the butt weld of the large steel pipe.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a large-scale steel pipe butt weld grinding device, includes base (1), its characterized in that:
supporting rods (101) are fixed on two sides of the base (1); a sun wheel (2) is matched between the two supporting rods (101) in a sliding way; a gear ring (3) is arranged on the peripheral side surface of the sun gear (2); a grinding roller (4) is in meshing transmission between the inner peripheral side surface of the gear ring (3) and the outer peripheral side surface of the sun gear (2); a driving motor (5) is fixed on the surface of the base (1); a driving gear (6) is fixed at one end of the rotating shaft of the driving motor (5); an opening synchronous belt (7) is sleeved between the driving gear (6) and the peripheral side face of the gear ring (3);
the sun wheel (2) comprises two first half-rings (201); one sides of the two first semi-rings (201) are fixed with connecting rods (202); one side, close to the peripheral side face of the first semi-ring (201), of the connecting rod (202) is provided with a threaded rod (203) and a guide rod (204) respectively, wherein the threaded rod (203) is rotatably connected with the connecting rod (202) through a ball bearing;
the ring gear (3) comprises two second half-rings (301); the side surfaces of two ends of the two second semi-rings (301) are fixedly connected through bolts (302);
and a threaded hole (102) matched with the threaded rod (203) and a guide hole (103) matched with the guide rod (204) are respectively formed between opposite surfaces of the top ends of the support rods (101).
2. A grinding device for butt weld seams of large steel pipes according to claim 1, characterized in that a planetary gear (401) is fixed at one end of the grinding roller (4).
3. The large steel pipe butt weld grinding device according to claim 2, wherein the first half ring (201) is provided with a first limit ring groove (205) on the peripheral side; first ring gear (201) periphery side just is located the inside array of first spacing annular groove (205) and all is equipped with first teeth of a cogwheel (206) with planetary gear (401) matched with.
4. The large steel pipe butt weld grinding device according to claim 2, wherein the second semi-ring (301) is provided with a second limiting ring groove (303) on the inner peripheral side; second gear teeth (304) matched with the planetary gear (401) are arranged on the inner peripheral side face of the second semi-ring (301) and in the second limiting ring groove (303) in an array mode; and third gear teeth (305) matched with the opening synchronous belt (7) are arranged on the peripheral side array of the second semi-ring (301).
5. The large steel pipe butt weld grinding device according to claim 1, wherein the first half-ring (201) is provided with anti-slip grooves (207) in the array on the inner peripheral side; a clamping block (208) is arranged on one end face of the first semi-ring (201); the other end face of the first semi-ring (201) is provided with a clamping groove (209) matched with the clamping block (208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188200.3A CN110977664A (en) | 2019-11-28 | 2019-11-28 | Large-scale steel pipe butt weld grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911188200.3A CN110977664A (en) | 2019-11-28 | 2019-11-28 | Large-scale steel pipe butt weld grinding device |
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| Publication Number | Publication Date |
|---|---|
| CN110977664A true CN110977664A (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911188200.3A Pending CN110977664A (en) | 2019-11-28 | 2019-11-28 | Large-scale steel pipe butt weld grinding device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469009A (en) * | 2020-04-16 | 2020-07-31 | 广州阳城机械设备有限公司 | Energy-concerving and environment-protective pipe welding seam grinding device |
| CN111604741A (en) * | 2020-05-29 | 2020-09-01 | 杨二春 | Low-loss alternating sander |
| CN111906647A (en) * | 2020-08-10 | 2020-11-10 | 哈尔滨坤程科技有限公司 | Continuous carbon fiber additive manufacturing equipment and manufacturing method |
| CN111958409A (en) * | 2020-08-25 | 2020-11-20 | 张国军 | Machine part machining equipment |
| CN112621412A (en) * | 2020-12-10 | 2021-04-09 | 汪庆文 | Surface treatment equipment with chip collection function for bearing production |
| CN112757062A (en) * | 2020-12-17 | 2021-05-07 | 北京航空航天大学 | Shaft part grinding and polishing device |
| CN113458942A (en) * | 2021-07-08 | 2021-10-01 | 徐风堂 | Portable welding rod tail grinding device |
| CN113953903A (en) * | 2021-11-29 | 2022-01-21 | 青岛武晓集团股份有限公司 | Surface treatment device for main pipe of power transmission iron tower |
| CN114918777A (en) * | 2022-05-17 | 2022-08-19 | 吕晨 | Surrounding type processing and polishing equipment for PPC (polypropylene random) pipe |
| CN114986045A (en) * | 2022-08-03 | 2022-09-02 | 江苏中矿新创新能源科技有限公司 | Condenser production is with supplementary welding set |
| CN117464473A (en) * | 2023-11-23 | 2024-01-30 | 盐城市山川金属加工有限公司 | Grinding and polishing machine tool equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB604425A (en) * | 1939-02-10 | 1948-07-05 | Bryant Grinder Corp | Improvements in or relating to sizing machines |
| US20030129932A1 (en) * | 2002-01-09 | 2003-07-10 | Ficarro Daniel A. | Continuous polisher machine |
| DE202007019301U1 (en) * | 2007-05-11 | 2011-10-19 | Hans Weber Maschinenfabrik Gmbh | Device for processing the edges and surfaces of flat workpieces |
| CN106181663A (en) * | 2016-07-18 | 2016-12-07 | 燕山大学 | Planet gear type wheel hub deburring polish-brush dish |
| CN206344009U (en) * | 2017-01-06 | 2017-07-21 | 南阳华晨汽车零部件有限公司 | A kind of novel piston rod milling apparatus |
| CN209095172U (en) * | 2018-12-07 | 2019-07-12 | 徐州九阳机械制造有限公司 | A kind of two-sided grinding device of brake disc |
| CN110253764A (en) * | 2019-04-24 | 2019-09-20 | 嘉兴市志华机械有限公司 | A kind of concrete product/stones processing appts |
| CN211867347U (en) * | 2019-11-28 | 2020-11-06 | 中建钢构有限公司 | Large-scale steel pipe butt weld grinding device |
-
2019
- 2019-11-28 CN CN201911188200.3A patent/CN110977664A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB604425A (en) * | 1939-02-10 | 1948-07-05 | Bryant Grinder Corp | Improvements in or relating to sizing machines |
| US20030129932A1 (en) * | 2002-01-09 | 2003-07-10 | Ficarro Daniel A. | Continuous polisher machine |
| DE202007019301U1 (en) * | 2007-05-11 | 2011-10-19 | Hans Weber Maschinenfabrik Gmbh | Device for processing the edges and surfaces of flat workpieces |
| CN106181663A (en) * | 2016-07-18 | 2016-12-07 | 燕山大学 | Planet gear type wheel hub deburring polish-brush dish |
| CN206344009U (en) * | 2017-01-06 | 2017-07-21 | 南阳华晨汽车零部件有限公司 | A kind of novel piston rod milling apparatus |
| CN209095172U (en) * | 2018-12-07 | 2019-07-12 | 徐州九阳机械制造有限公司 | A kind of two-sided grinding device of brake disc |
| CN110253764A (en) * | 2019-04-24 | 2019-09-20 | 嘉兴市志华机械有限公司 | A kind of concrete product/stones processing appts |
| CN211867347U (en) * | 2019-11-28 | 2020-11-06 | 中建钢构有限公司 | Large-scale steel pipe butt weld grinding device |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469009A (en) * | 2020-04-16 | 2020-07-31 | 广州阳城机械设备有限公司 | Energy-concerving and environment-protective pipe welding seam grinding device |
| CN111469009B (en) * | 2020-04-16 | 2020-11-20 | 广州阳城机械设备有限公司 | Energy-concerving and environment-protective pipe welding seam grinding device |
| CN111604741A (en) * | 2020-05-29 | 2020-09-01 | 杨二春 | Low-loss alternating sander |
| CN111906647A (en) * | 2020-08-10 | 2020-11-10 | 哈尔滨坤程科技有限公司 | Continuous carbon fiber additive manufacturing equipment and manufacturing method |
| CN111958409A (en) * | 2020-08-25 | 2020-11-20 | 张国军 | Machine part machining equipment |
| CN112621412A (en) * | 2020-12-10 | 2021-04-09 | 汪庆文 | Surface treatment equipment with chip collection function for bearing production |
| CN112757062A (en) * | 2020-12-17 | 2021-05-07 | 北京航空航天大学 | Shaft part grinding and polishing device |
| CN112757062B (en) * | 2020-12-17 | 2022-04-12 | 北京航空航天大学 | Shaft part grinding and polishing device |
| CN113458942A (en) * | 2021-07-08 | 2021-10-01 | 徐风堂 | Portable welding rod tail grinding device |
| CN113953903A (en) * | 2021-11-29 | 2022-01-21 | 青岛武晓集团股份有限公司 | Surface treatment device for main pipe of power transmission iron tower |
| CN114918777A (en) * | 2022-05-17 | 2022-08-19 | 吕晨 | Surrounding type processing and polishing equipment for PPC (polypropylene random) pipe |
| CN114918777B (en) * | 2022-05-17 | 2024-05-07 | 吕晨 | PPC pipe encircling type machining and polishing equipment |
| CN114986045A (en) * | 2022-08-03 | 2022-09-02 | 江苏中矿新创新能源科技有限公司 | Condenser production is with supplementary welding set |
| CN117464473A (en) * | 2023-11-23 | 2024-01-30 | 盐城市山川金属加工有限公司 | Grinding and polishing machine tool equipment |
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