CN105014487A - Method of polishing welding cores at two ends simultaneously - Google Patents
Method of polishing welding cores at two ends simultaneously Download PDFInfo
- Publication number
- CN105014487A CN105014487A CN201510384671.7A CN201510384671A CN105014487A CN 105014487 A CN105014487 A CN 105014487A CN 201510384671 A CN201510384671 A CN 201510384671A CN 105014487 A CN105014487 A CN 105014487A
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- CN
- China
- Prior art keywords
- welding rod
- core wire
- emery disc
- electrode carrier
- bearing
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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
- 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
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
-
- 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
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a method of polishing welding cores at the two ends simultaneously. The method comprises the following operation steps of (1) mounting a mechanism for polishing the welding cores, (2) mounting a welding rod, (3) polishing the welding cores, (4) stopping polishing and (5) dismounting the welding rod, wherein in Step (2), a welding rod holder is pushed out of driven welding rod bearings, the welding rod is inserted into the welding rod holder, a driving welding rod bearing and another one welding rod holder from one side of a work rest sequentially, and protrudes out of the other side of the work rest, and then the welding rod holders are plugged into the corresponding driven welding rod bearings, and exposed welding cores at the two ends of the welding rod are contacted with corresponding sand trays respectively; and in Step (5), the welding rod holders are pushed out of the driven welding rod bearings, and the welding rod is drawn out of the arbitrary side of the work rest. With the adoption of the method, the welding cores at the two ends of the welding rod are polished simultaneously, so that the polishing efficiency is high, and the polishing time is shortened.
Description
Technical field
The present invention relates to a kind of two ends to polish the method for core wire, it is a kind of automated machine method of the synchronous polishing core wire simultaneously at welding rod two ends, belongs to Machining Technology field simultaneously.
Background technology
Welding is the science and technology of rising 20 beginnings of the century, drive exhibition decades into, propagate rapidly, be now widely used in the industrial departments such as Aeronautics and Astronautics, atomic energy, chemical industry, shipbuilding, ocean engineering, electronic technology, building, communications and transportation, electric power, machine-building.
According to the feature of welding process, the welding of metal can be divided into melting and the large class of pressure bonding two, and every class can be subdivided into many methods again.
In chemical machinery, typical machine, container and equipment are Welding Structure mostly, and the pipe fitting technique of welding during to be chemical machinery manufacture, he directly affects the quality of product, productivity ratio and cost.In chemical machinery manufacture process, the particularly manufacture of pressure vessel, the welding method of application is based on melting.
Why solder technology can be used widely in chemical machinery manufacture, mainly because it has many features being different from other manufacturing process, with rivet, cast, compared with forging structure, Welding Structure has following obvious advantage:
1. rationally, the factor of stress concentration is little, and joint joint efficiency is high, and banjo fixing butt jointing can reach 100% for structure, and riveted joint is difficult to reach 70%.
2. simplify structure, alleviate deadweight, because the intensity of welding is higher, under same carrying condition, can gentlier, thinner, also therefore two can save energy to transport facility.
3. good airproof performance, Welding Structure is all fine to the sealing of water, oil, gas, is desirable hermetically-sealed construction, is applicable to manufacture all kinds of container.
4. thickness of slab restriction is little, and the individual layer wall thickness of Welding Structure high-pressure bottle can reach more than 300mm.
5. design is upper simple, flexibly, Welding Structure can by fairly simple for structural detail docking, corner connection, T-shaped connect or overlap, and can manufacture arbitrary structures, more simultaneously.
6. the manufacturing cycle is short, and cost is low, good economical benefit.
7. can weld not bucket metal material, adopt Welder's artistic skill that different metal is coupled together, effectively utilize material, Welding Structure also can pay no attention in difference the material adopting different performance, gives full play to the speciality of various material, reaches economy, high-quality.
Welding is mainly with welding rod hot-melt adhesive paste two parts, and welding rod comprises coating and core wire, the metal or alloy that core wire is normally identical with the material of parts to be welded, and coating is the medicament of the help metal burning be wrapped in outside core wire.
In its natural state, cruelly leak the core wire meeting autoxidation outside coating, form the diaphragm of one deck dimness, be unfavorable for core wire burning welding, welding rod needs core wire surface finish light welding rod before use.Traditional welding rod polishing process is that operating personnel hold sand paper by hand in core wire mantle friction, until polished off by the oxide-film on core wire surface, troublesome poeration, waste of manpower, efficiency is low, can not be suitable for the demand of batch production.
By retrieval, inventor finds that application number is 201310303223.0, patent name is a kind of for engaging the weld jig that can weld object releasedly, and the open weld jig of this patent comprises: the supporter with fluid passage; And be coupled to supporter, there is the female part of inner chamber receiving this object.At least one fluid delivery tube is arranged along female part, and the fluid passage in fluid communication of this at least one fluid delivery tube and supporter.Fixture allows to weld object and is accurately positioned to weld, and fixture provides the fluid delivery system for inert gas being delivered to welding position.Accurately fix in welding process although this patent can realize welding rod, the core wire being positioned at welding rod two ends is not polished, or need artificial hand sand core wire before welding.
Inventor also retrieves and finds that application number is 201110230771.6, patent name is weld jig, the open weld jig of this patent, comprise top board and lower platen, top board and lower platen have the coaxial center positioning hole arranged, lower platen is provided with tooth block locating hole, and the lower surface of lower platen is provided with tooth block mounting groove, it is characterized in that being provided with tooth block positioning screw and tooth block holddown spring between top board and lower platen.Weld jig structure of the present invention is simple, high-temperature soldering can make to remain between tooth block and the solder side of matrix and be fastenedly connected, and can not produce phenomenon that is loosening, that there will not be rosin joint.This patent is still the clamping only realizing welding rod in welding process, not the polishing function of welding rod two ends core wire.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention discloses a kind of core wire milling tools of welding rod, its concrete technical scheme is as follows:
Polishing the method for core wire in two ends simultaneously, comprises following operating procedure:
(1) mechanism of polishing core wire is installed: choose work rest, described work rest comprises two ground rods, the top of described two ground rods is provided with driven welding rod bearing, described driven welding rod bearing centre is provided with electrode carrier, the two ends of described welding rod extend to the outside of corresponding ground rod, initiatively welding rod bearing is also provided with between described two ground rods, described active welding rod bearing connects welding rod motor by welding rod driving member, the outside of described two ground rods is respectively arranged with emery disc, described emery disc center is run through and is provided with driven emery disc bearing, described two driven emery disc bearing centres run through a power transmission shaft, described power transmission shaft is provided with an initiatively emery disc bearing, described active emery disc bearing connects emery disc motor by emery disc driving member,
(2) welding rod is installed: released from driven welding rod bearing by electrode carrier, welding rod is inserted into electrode carrier, welding rod active bearings and another electrode carrier from the side of work rest successively, and stretch out from the opposite side of work rest, and then electrode carrier is tucked in corresponding driven welding rod bearing, the exposed core wire at welding rod two ends contacts with corresponding emery disc respectively
(3) polishing core wire: after starting emery disc motor and welding rod motor, emery disc and welding rod all rotate, emery disc polishing core wire surface, emery disc can fast by core wire surface finish light;
(4) stop polishing: after core wire surface finish light, close emery disc motor and welding rod motor, emery disc and welding rod slowly stop operating;
(5) welding rod is dismantled: released from welding rod bearing by electrode carrier, extracted out by welding rod from any side of work rest.
Described in described step (1), electrode carrier comprises upper clip and lower clamping piece, described upper clip and the equal semicircular in shape shape of lower clamping piece, the opening both sides of described upper clip and lower clamping piece are provided with the card convex extended to both sides, two draw-in grooves are provided with inside described driven welding rod bearing, described upper clip is relative with the card convex of lower clamping piece fit after, can be buckled in draw-in groove.
Installing welding rod process described in described step (2) is: first released from driven welding rod bearing by electrode carrier, then the upper clip of electrode carrier and lower clamping piece are separated, welding rod is inserted into electrode carrier successively from the side of work rest, welding rod active bearings is with in another electrode carrier, and stretch out from the opposite side of work rest, then fit relative with lower clamping piece for upper clip, make that upper clip is relative with the card convex of lower clamping piece fits, and then electrode carrier is tucked in corresponding driven welding rod bearing, the card convex of upper clip and lower clamping piece is all buckled in the draw-in groove of corresponding driven welding rod bearing, the core wire at welding rod two ends lays respectively at the both sides of work rest, the middle part of welding rod is fixed by welding rod active bearings, the exposed core wire at welding rod two ends contacts with corresponding emery disc respectively.
The two ends of power transmission shaft are respectively arranged with adjusting rod in described step (1), and the bottom of described adjusting rod is stood on the ground, and the top braces of described adjusting rod is at the lower surface of power transmission shaft.
Described adjusting rod comprises outer loop bar and interior loop bar, described outer loop bar stand on ground, described outer loop bar and interior loop bar partly overlap, the part of described outer loop bar and interior loop bar overlap is provided with elongated hole, locating button is provided with in described elongated hole, after described locating button is extracted from elongated hole, interior loop bar can outwards insert or extract by loop bar, positioning port is inserted into after in elongated hole, interior loop bar and outer loop bar are fixed, zigzag is all arranged in the vertical both sides of described elongated hole, and described locating button can be buckled in the sawtooth of elongated hole.
Some horizontal brace rods are provided with between two ground rods in described step (1).
The side in opposite directions that described electrode carrier comprises upper clip and lower clamping piece is provided with degree of tightness pad.
The invention has the beneficial effects as follows:
The present invention drives emery disc and welding rod to rotate in direction by machinery simultaneously, and the core wire of electrode tip can be polished light fast by emery disc, and grinding efficiency is high, is conducive to factorial praluction and uses.
The present invention is mechanization polishing, avoids traditional manual grinding, saves personnel cost, reduces polishing cost.
The present invention polishes the core wire at welding rod two ends simultaneously, and grinding efficiency is high, shortens the polishing time.
The inventive method has good exploitativeness, can realize batch production application, simple to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mechanism of polishing core wire of the present invention,
Reference numerals list: 1-work rest, 2-ground rod, 3-driven welding rod bearing, 4-welding rod, 5-core wire, 6-driven emery disc bearing, 7-emery disc, 8-power transmission shaft, 9-initiatively emery disc bearing, 10-emery disc driving member, 11-emery disc motor, 12-initiatively welding rod bearing, 13-welding rod driving member, 14-welding rod motor, 15-horizontal brace rod, 16-adjusting rod.
Detailed description of the invention
Below in conjunction with detailed description of the invention, illustrate the present invention further.Following detailed description of the invention should be understood only be not used in for illustration of the present invention and limit the scope of the invention.
Polishing the method for core wire 5 in two ends simultaneously, comprises following operating procedure:
(1) mechanism of polishing core wire 5 is installed: Fig. 1 is the structural representation of the mechanism of polishing core wire 5 of the present invention, as seen from the figure, choose work rest 1, described work rest 1 comprises two ground rods 2, the top of described two ground rods 2 is provided with driven welding rod bearing 3, described driven welding rod bearing 3 center is provided with welding rod 4 and presss from both sides, the two ends of described welding rod 4 extend to the outside of corresponding ground rod 2, initiatively welding rod bearing 12 is also provided with between described two ground rods 2, described active welding rod bearing 12 connects welding rod motor 14 by welding rod driving member 13, the outside of described two ground rods 2 is respectively arranged with emery disc 7, described emery disc 7 center is run through and is provided with driven emery disc bearing 7, described two driven emery disc bearing 6 centers are run through a power transmission shaft 8, described power transmission shaft 8 is provided with an initiatively emery disc bearing 9, described active emery disc bearing 9 connects emery disc motor 11 by emery disc driving member 10,
(2) welding rod 4 is installed: pressed from both sides by welding rod 4 and release from driven welding rod bearing 3, welding rod 4 is inserted into electrode carrier, welding rod 4 active bearings and another electrode carrier from the side of work rest 1 successively, and stretch out from the opposite side of work rest 1, and then electrode carrier is tucked in corresponding driven welding rod bearing 3, the exposed core wire 5 at welding rod 4 two ends contacts with corresponding emery disc 7 respectively
(3) to polish core wire 5: after starting emery disc motor 11 and welding rod motor 14, emery disc 7 and welding rod 4 all rotate, emery disc 7 is polished core wire 5 surface, and emery disc 7 can be bright by core wire 5 surface finish fast;
(4) stop polishing: after core wire 5 surface finish light, close emery disc motor 11 and welding rod motor 14, emery disc 7 and welding rod 4 slowly stop operating;
(5) welding rod 4 is dismantled: released from welding rod 4 bearing by electrode carrier, extracted out by welding rod 4 from any side of work rest 1.
Described in described step (1), electrode carrier comprises upper clip and lower clamping piece, described upper clip and the equal semicircular in shape shape of lower clamping piece, the opening both sides of described upper clip and lower clamping piece are provided with the card convex extended to both sides, two draw-in grooves are provided with inside described driven welding rod bearing 3, described upper clip is relative with the card convex of lower clamping piece fit after, can be buckled in draw-in groove.
Installing welding rod 4 process described in described step (2) is: first released from driven welding rod bearing 3 by electrode carrier, then the upper clip of electrode carrier and lower clamping piece are separated, welding rod 4 is inserted into electrode carrier successively from the side of work rest 1, welding rod 4 active bearings is with in another electrode carrier, and stretch out from the opposite side of work rest 1, then fit relative with lower clamping piece for upper clip, make that upper clip is relative with the card convex of lower clamping piece fits, and then electrode carrier is tucked in corresponding driven welding rod bearing 3, the card convex of upper clip and lower clamping piece is all buckled in the draw-in groove of corresponding driven welding rod bearing 3, the core wire 5 at welding rod 4 two ends lays respectively at the both sides of work rest 1, the middle part of welding rod 4 is fixed by welding rod 4 active bearings, the exposed core wire 5 at welding rod 4 two ends contacts with corresponding emery disc 7 respectively.
The two ends of power transmission shaft 8 are respectively arranged with adjusting rod 16 in described step (1), and the bottom of described adjusting rod 16 is stood on the ground, and the top braces of described adjusting rod 16 is at the lower surface of power transmission shaft 8.
Described adjusting rod 16 comprises outer loop bar and interior loop bar, described outer loop bar stand on ground, described outer loop bar and interior loop bar partly overlap, the part of described outer loop bar and interior loop bar overlap is provided with elongated hole, locating button is provided with in described elongated hole, after described locating button is extracted from elongated hole, interior loop bar can outwards insert or extract by loop bar, positioning port is inserted into after in elongated hole, interior loop bar and outer loop bar are fixed, zigzag is all arranged in the vertical both sides of described elongated hole, and described locating button can be buckled in the sawtooth of elongated hole.
Some horizontal brace rods 15 are provided with between two ground rods 2 in described step (1).Horizontal brace rod 15 improves the stability of work rest 1.
The side in opposite directions that described electrode carrier comprises upper clip and lower clamping piece is provided with degree of tightness pad.Degree of tightness pad is conducive to welding rod 4 to be more stably clamped in electrode carrier.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also comprises the technical scheme be made up of above technical characteristic.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (7)
1. polish a method for core wire in two ends simultaneously, it is characterized in that comprising following operating procedure:
(1) mechanism of polishing core wire is installed: choose work rest, described work rest comprises two ground rods, the top of described two ground rods is provided with driven welding rod bearing, described driven welding rod bearing centre is provided with electrode carrier, the two ends of described welding rod extend to the outside of corresponding ground rod, initiatively welding rod bearing is also provided with between described two ground rods, described active welding rod bearing connects welding rod motor by welding rod driving member, the outside of described two ground rods is respectively arranged with emery disc, described emery disc center is run through and is provided with driven emery disc bearing, described two driven emery disc bearing centres run through a power transmission shaft, described power transmission shaft is provided with an initiatively emery disc bearing, described active emery disc bearing connects emery disc motor by emery disc driving member,
(2) welding rod is installed: released from driven welding rod bearing by electrode carrier, welding rod is inserted into electrode carrier, welding rod active bearings and another electrode carrier from the side of work rest successively, and stretch out from the opposite side of work rest, and then electrode carrier is tucked in corresponding driven welding rod bearing, the exposed core wire at welding rod two ends contacts with corresponding emery disc respectively
(3) polishing core wire: after starting emery disc motor and welding rod motor, emery disc and welding rod all rotate, emery disc polishing core wire surface, emery disc can fast by core wire surface finish light;
(4) stop polishing: after core wire surface finish light, close emery disc motor and welding rod motor, emery disc and welding rod slowly stop operating;
(5) welding rod is dismantled: released from welding rod bearing by electrode carrier, extracted out by welding rod from any side of work rest.
2. polish the method for core wire in a kind of two ends according to claim 1 simultaneously, it is characterized in that described in described step (1), electrode carrier comprises upper clip and lower clamping piece, described upper clip and the equal semicircular in shape shape of lower clamping piece, the opening both sides of described upper clip and lower clamping piece are provided with the card convex extended to both sides, two draw-in grooves are provided with inside described driven welding rod bearing, described upper clip is relative with the card convex of lower clamping piece fit after, can be buckled in draw-in groove.
3. polish the method for core wire in a kind of two ends according to claim 2 simultaneously, it is characterized in that installing welding rod process described in described step (2) is: first released from driven welding rod bearing by electrode carrier, then the upper clip of electrode carrier and lower clamping piece are separated, welding rod is inserted into electrode carrier successively from the side of work rest, welding rod active bearings is with in another electrode carrier, and stretch out from the opposite side of work rest, then fit relative with lower clamping piece for upper clip, make that upper clip is relative with the card convex of lower clamping piece fits, and then electrode carrier is tucked in corresponding driven welding rod bearing, the card convex of upper clip and lower clamping piece is all buckled in the draw-in groove of corresponding driven welding rod bearing, the core wire at welding rod two ends lays respectively at the both sides of work rest, the middle part of welding rod is fixed by welding rod active bearings, the exposed core wire at welding rod two ends contacts with corresponding emery disc respectively.
4. polish the method for core wire in a kind of two ends according to claim 3 simultaneously, it is characterized in that the two ends of power transmission shaft in described step (1) are respectively arranged with adjusting rod, the bottom of described adjusting rod is stood on the ground, and the top braces of described adjusting rod is at the lower surface of power transmission shaft.
5. polish the method for core wire in a kind of two ends according to claim 4 simultaneously, it is characterized in that described adjusting rod comprises outer loop bar and interior loop bar, described outer loop bar stand on ground, described outer loop bar and interior loop bar partly overlap, the part of described outer loop bar and interior loop bar overlap is provided with elongated hole, locating button is provided with in described elongated hole, after described locating button is extracted from elongated hole, interior loop bar can outwards insert or extract by loop bar, positioning port is inserted into after in elongated hole, interior loop bar and outer loop bar are fixed, zigzag is all arranged in the vertical both sides of described elongated hole, described locating button can be buckled in the sawtooth of elongated hole.
6. polish the method for core wire in a kind of two ends according to claim 5 simultaneously, it is characterized in that being provided with some horizontal brace rods between two ground rods in step (1).
7. polish the method for core wire in a kind of two ends according to claim 2 simultaneously, it is characterized in that the side in opposite directions that described electrode carrier comprises upper clip and lower clamping piece is provided with degree of tightness pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384671.7A CN105014487B (en) | 2015-06-30 | 2015-06-30 | A kind of two ends are while the method for core wire of polishing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384671.7A CN105014487B (en) | 2015-06-30 | 2015-06-30 | A kind of two ends are while the method for core wire of polishing |
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| CN105014487A true CN105014487A (en) | 2015-11-04 |
| CN105014487B CN105014487B (en) | 2017-08-01 |
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| CN201510384671.7A Active CN105014487B (en) | 2015-06-30 | 2015-06-30 | A kind of two ends are while the method for core wire of polishing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695808A (en) * | 2017-09-07 | 2018-02-16 | 宁波金亿精密机械有限公司 | A kind of sanding apparatus for extruder screw |
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| CN2147075Y (en) * | 1993-01-04 | 1993-11-24 | 浙江省东阳市磁性器材总厂 | Simple high-effect double-end face grinder |
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| CN101513724A (en) * | 2008-12-31 | 2009-08-26 | 太仓市金鑫铜管有限公司 | Pipe workpiece polishing mechanism |
| CN102765022A (en) * | 2012-07-30 | 2012-11-07 | 中材科技（南通）有限公司 | Steel tube inner wall grinding device with double polishing heads |
| CN203509786U (en) * | 2013-10-25 | 2014-04-02 | 河南四方达超硬材料股份有限公司 | Variable amplitude rod angular needle grinder of ultrasonic grinding machine |
| CN103737473A (en) * | 2013-12-27 | 2014-04-23 | 柳州市曙新汽车配件有限公司 | Polishing device and method based on polisher grinding wheels |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147075Y (en) * | 1993-01-04 | 1993-11-24 | 浙江省东阳市磁性器材总厂 | Simple high-effect double-end face grinder |
| JPH081504A (en) * | 1994-06-20 | 1996-01-09 | Hitachi Ltd | Polishing method for coating putty |
| CN101513724A (en) * | 2008-12-31 | 2009-08-26 | 太仓市金鑫铜管有限公司 | Pipe workpiece polishing mechanism |
| CN102765022A (en) * | 2012-07-30 | 2012-11-07 | 中材科技（南通）有限公司 | Steel tube inner wall grinding device with double polishing heads |
| CN203509786U (en) * | 2013-10-25 | 2014-04-02 | 河南四方达超硬材料股份有限公司 | Variable amplitude rod angular needle grinder of ultrasonic grinding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695808A (en) * | 2017-09-07 | 2018-02-16 | 宁波金亿精密机械有限公司 | A kind of sanding apparatus for extruder screw |
| CN107695808B (en) * | 2017-09-07 | 2019-04-30 | 宁波金亿精密机械有限公司 | A kind of grinding device for extruder screw |
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| CN105014487B (en) | 2017-08-01 |
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Effective date of registration: 20191224 Address after: 221200 Jiangsu city of Xuzhou province Suining County Sui Town Industrial Zone Patentee after: XUZHOU FANGBO ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. Address before: Hu Xushuguan town high tech Zone of Suzhou City, Jiangsu province 215151 Yang Road, No. 22 (Xuguan Industrial Park) Patentee before: Suzhou Rijin Machinery Equipment Co., Ltd. |