CN110919476B - A polisher for bar copper processing - Google Patents
A polisher for bar copper processing Download PDFInfo
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- CN110919476B CN110919476B CN201911301531.3A CN201911301531A CN110919476B CN 110919476 B CN110919476 B CN 110919476B CN 201911301531 A CN201911301531 A CN 201911301531A CN 110919476 B CN110919476 B CN 110919476B
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- side wall
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- fixedly arranged
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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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- 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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- 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
Abstract
The invention discloses a polishing machine for processing copper rods, which belongs to the technical field of copper rod polishing machines, wherein a correction grinding tool is assembled on the front side wall of a protection box, a workbench is fixedly arranged at the top of a waste box, a clamping device is fixedly arranged at the left side of the top of the workbench, a workpiece is clamped and assembled on the clamping device, a fixed frame is fixedly arranged at the outer side of the clamping device, a power box is fixedly arranged at the center of the bottom of the fixed frame, a polishing wheel matched with the workpiece is fixedly assembled at the output end of the power box, a dust removal device is fixedly arranged at the right side of the top of the workbench, a material guide pipe is fixedly assembled at the top of the dust removal device, the left end of the material guide pipe corresponds to the polishing wheel, the polishing treatment of the workpiece can be synchronously realized, the polishing efficiency and the polishing quality of the workpiece are improved, and the working environment can be purified, the use safety and the sanitation degree are improved.
Description
Technical Field
The invention relates to the technical field of copper bar grinding machines, in particular to a grinding machine for processing a copper bar.
Background
The copper bar is placed in the air and oxidized to cause uneven surface of the copper bar, the copper bar is generally formed in a fusion casting mode, before the copper bar is formed and put into subsequent production, the copper bar needs to be cut into required length and then the surface of the copper bar is polished, the cutting process can be automated by the existing cutting equipment on the market, but the flatness of the cut end surface of the copper bar after cutting is low and burrs are more, the integral quality of a product is influenced, workers are easily cut and injured, the burrs are required to be polished by a polisher, but the polishing of the surface of the copper bar cannot be realized by polishing the end surface by a conventional polisher, so that the uneven surface of the copper bar cannot achieve the purpose of smoothness, the polisher is single in functionality and low in polishing efficiency, meanwhile, when a clamping device on the polisher clamps the copper bar to clamp the copper bar, the operation is inconvenient, and the polishing efficiency is easily influenced, in addition, when the polisher polishes, more chips are generated, the chips are all warm and easily splash workers, and meanwhile, the working environment is poor, and therefore the polisher for processing the copper bars is provided.
Disclosure of Invention
The invention aims to provide a grinding machine for processing copper bars, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a grinding machine for processing copper bars comprises a base, wherein a hydraulic telescopic rod is fixedly arranged on the left side of the top of the base, a top plate is fixedly assembled on the top of the right side wall of the hydraulic telescopic rod, a protection box is fixedly assembled on the bottom of the top plate, a correction grinding tool is assembled on the front side wall of the protection box, a protective cover fixed on the front side wall of the protection box is arranged on the outer side of the correction grinding tool, a waste box is fixedly arranged on the right side of the top of the base, a workbench is fixedly arranged on the top of the waste box, a clamping device is fixedly arranged on the left side of the top of the workbench, a workpiece is clamped and assembled on the clamping device, a fixing frame is fixedly arranged on the outer side of the clamping device, a power box is fixedly arranged at the center of the bottom of the fixing frame, a grinding wheel matched with the workpiece is fixedly assembled at the output end of the power box, and a dust removal device is fixedly arranged on the right side of the top of the workbench, a material guide pipe is fixedly assembled at the top of the dust removal device, and the left end of the material guide pipe corresponds to the polishing wheel;
clamping device is including fixing the fixed block at workstation top front side, the rear side wall left and right sides of fixed block is all fixed to be provided with the guide post, and is two sets of the fixed fixing base that is equipped with in rear end of guide post, the fixed edge grinder of cup jointing on the machined part outer wall that is equipped with in rear side wall center department of fixed block, it is two sets of to slide between the guide post and be equipped with the mounting panel, the rear side wall left and right sides of mounting panel all slides and is equipped with the grip block, and is two sets of fixedly connected with reset spring between the grip block, the inner chamber left and right sides of fixing base is all fixed to be provided with electric telescopic handle, just electric telescopic handle's output runs through before the fixing base lateral wall after-fixing assembly on the rear side wall of mounting panel, center department sets up the groove that compresses tightly with grip block looks adaptation on the front side wall of fixing base.
Preferably, set up the guide through-hole with machined part looks adaptation on the fixed block, the preceding lateral wall left and right sides of edging ware all passes through support fixed assembly on the fixed block, just link up with the through-hole of machined part looks adaptation around seting up on the edging ware, and the fixed edging sword that is provided with machined part outer wall looks adaptation on the through-hole inner wall.
Preferably, it is two sets of set up the ascending direction slide of fore-and-aft direction on the relative one side lateral wall of guide post, just the width of mounting panel and the distance looks adaptation between two sets of guide posts, just both ends are all fixed to be provided with the slider of sliding assembly in the direction slide about the mounting panel.
Preferably, the outer walls of the two groups of clamping blocks are conical, the pressing groove is a conical groove matched with the clamping blocks, and the depth of the pressing groove is larger than the length of the clamping blocks.
Preferably, the fixed water tank that is provided with in inner chamber bottom left side of dust collector, the fixed inlet pipe that is equipped with in top left side of water tank, the top of inlet pipe runs through behind the dust collector top and passage fixed connection, the fixed row of material pipe that is equipped with in top right side of water tank, the right-hand member of arranging the material pipe runs through dust collector right side wall, the fixed air-blower that is provided with in dust collector's top right side, the input of air-blower is through the pipeline and arranges material pipe fixed connection, and fixed the being equipped with filter screen in the pipeline.
Compared with the prior art, the invention has the beneficial effects that:
the invention has reasonable structural design, can not only clear large particles on the surface of the copper rod, but also grind and clear small broken burrs and residues which are not cleared on the copper rod through the clamping device, pre-treat the outer wall of a workpiece, facilitate the polishing in the later period, correct the end part of the workpiece through the correction grinding tool, and achieve the grinding and clearing of the burrs, simultaneously, the power box can drive the polishing wheel to rotate, so as to lead the polishing wheel to polish the outer wall of the workpiece, the polishing wheel and the polishing wheel can synchronously polish the workpiece, thereby improving the polishing efficiency and the polishing quality of the workpiece, simultaneously, the clamping device can rapidly realize the installation of the workpiece, also can ensure the clamping and fastening degree, prevent the workpiece from deviating and rotating during the polishing, improve the use safety, and the dust removal device can realize the adsorption and collection of the scraps and dust in the polishing process, the working environment is purified, and the use safety and the sanitation degree are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the assembly structure of the fixing frame and the power box of the present invention;
FIG. 3 is a schematic view of a clamping device according to the present invention;
FIG. 4 is a schematic view of the dust removing device of the present invention.
In the figure: the device comprises a base 1, a hydraulic telescopic rod 2, a top plate 3, a protection box 4, a correction grinding tool 5, a protection cover 6, a waste box 7, a workbench 8, a clamping device 9, a fixing block 91, a 911 guide through hole, a 92 guide post 921 guide slideway, a 93 fixing seat, a 94 edge grinding device, a 95 mounting plate, a 96 clamping block, a 97 reset spring, an electric telescopic rod 98, a 99 pressing groove, a 10 machined part, a 11 fixing frame, a 12 power box, a 13 polishing wheel, a 14 guide pipe, a 15 dust removal device, a 151 water tank, a 152 feeding pipe, a 153 discharging pipe, a 154 blower and a 155 filter screen.
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. 1-3, the present invention provides a technical solution: a grinding machine for processing copper bars comprises a base 1, a hydraulic telescopic rod 2 is fixedly arranged on the left side of the top of the base 1, the hydraulic telescopic rod 2 is connected with an external oil pump through an oil pipe, a top plate 3 is fixedly assembled on the top of the right side wall of the hydraulic telescopic rod 2, a protection box 4 is fixedly assembled at the bottom of the top plate 3, a correction grinding tool 5 is assembled on the front side wall of the protection box 4, a motor is fixedly assembled in the protection box 4, the output end of the motor penetrates through the protection box 4 and is fixedly assembled with the correction grinding tool 5, a protection cover 6 fixed on the front side wall of the protection box 4 is arranged on the outer side of the correction grinding tool 5, a waste box 7 is fixedly arranged on the right side of the top of the base 1, a workbench 8 is fixedly arranged on the top of the waste box 7, a clamping device 9 is fixedly arranged on the left side of the top of the workbench 8, a workpiece 10 is clamped and assembled on the clamping device 9, and a fixing frame 11 is fixedly arranged on the outer side of the clamping device 9, a power box 12 is fixedly arranged at the center of the bottom of the fixed frame 11, a polishing wheel 13 matched with the workpiece 10 is fixedly assembled at the output end of the power box 12, a driving motor is fixedly assembled in the power box 12, the output end of the driving motor is fixedly assembled with the polishing wheel 13, a dust removal device 15 is fixedly arranged on the right side of the top of the workbench 8, a material guide pipe 14 is fixedly assembled at the top of the dust removal device 15, the left end of the material guide pipe 14 corresponds to the polishing wheel 13, and the device is electrically connected with an external power supply through an electric wire so as to provide electric power required by the device and ensure the workability of the device;
the clamping device 9 comprises a fixed block 91 fixed on the front side of the top of the workbench 8, guide posts 92 are fixedly arranged on the left and right sides of the rear side wall of the fixed block 91, fixed seats 93 are fixedly assembled at the rear ends of the two groups of guide posts 92, an edge grinding device 94 sleeved on the outer wall of the workpiece 10 is fixedly assembled at the center of the rear side wall of the fixed block 91, a mounting plate 95 is slidably assembled between the two groups of guide posts 92, clamping blocks 96 are slidably assembled on the left and right sides of the rear side wall of the mounting plate 95, a return spring 97 is fixedly connected between the two groups of clamping blocks 96, electric telescopic rods 98 are fixedly arranged on the left and right sides of the inner cavity of the fixed block 93, the output end of each electric telescopic rod 98 penetrates through the front side wall of the fixed block 93 and is fixedly assembled on the rear side wall of the mounting plate 95, and a pressing groove 99 matched with the clamping blocks 96 is formed in the center of the front side wall of the fixed block 93;
referring to fig. 3, a material guiding through hole 911 adapted to the workpiece 10 is formed in the fixing block 91, both left and right sides of a front side wall of the edge grinder 94 are fixedly mounted on the fixing block 91 through a bracket, a through hole penetrating from front to back and adapted to the workpiece 10 is formed in the edge grinder 94, and an edge grinding cutter adapted to an outer wall of the workpiece 10 is fixedly disposed on an inner wall of the through hole;
referring to fig. 3, the opposite side walls of the two groups of guide posts 92 are provided with guide slideways 921 in the front-back direction, the width of the mounting plate 95 is adapted to the distance between the two groups of guide posts 92, and the left and right ends of the mounting plate 95 are fixedly provided with sliders slidably mounted in the guide slideways 921;
referring to fig. 3, the outer walls of the two sets of clamping blocks 96 are both conical, the pressing groove 99 is a conical groove matched with the clamping blocks 96, and the depth of the pressing groove 99 is greater than the length of the clamping blocks 96, so when the workpiece 10 passes through the material guiding through hole 911 on the fixing block 91, the large particles on the surface of the copper rod are removed through the material guiding through hole 911, the large residues can fall into the waste bin 7 through the workbench 8 to be collected, the phenomenon that the working environment is affected by the splash around is prevented, then the end of the workpiece 10 passes through the edge grinder 94, the small broken burrs and residues on the outer wall of the workpiece 10 can be removed by grinding, the outer wall of the workpiece 10 is pretreated, then the two sets of electric telescopic rods 98 extend outwards to drive the mounting plate 95 to move towards the edge grinder 94, and the two sets of clamping blocks 96 are driven by the resilience force of the return spring 97 to separate the two sets of clamping blocks 96, then the workpiece 10 passes through the mounting plate 95 and is placed between the two groups of clamping blocks 96, meanwhile, the rear end of the workpiece 10 penetrates through the pressing groove 99 and then penetrates through the fixing seat 93, then the two groups of electric telescopic rods 98 are synchronously retracted to drive the mounting plate 95 to slide in the guide slideway 922, so that the two groups of clamping blocks 96 are retracted in the pressing groove 99, the clamping and jacking effects of the pressing groove 99 on the clamping blocks 96 are utilized to clamp the workpiece 10 by the two groups of clamping blocks 96, and the two groups of electric telescopic rods 98 provide clamping power to ensure the clamping and fastening degree of the workpiece 10;
referring to fig. 4, a water tank 151 is fixedly arranged on the left side of the bottom of an inner cavity of the dust collector 15, a feeding pipe 152 is fixedly arranged on the left side of the top of the water tank 151, the top end of the feeding pipe 152 penetrates through the top of the dust collector 15 and then is fixedly connected with a material guiding pipe 14, a material discharging pipe 153 is fixedly arranged on the right side of the top of the water tank 151, the right end of the material discharging pipe 153 penetrates through the right side wall of the dust collector 15, an air blower 154 is fixedly arranged on the right side of the top of the dust collector 15, the input end of the air blower 154 is fixedly connected with the material discharging pipe 153 through a pipeline, and a filter screen 155 is fixedly arranged in the pipeline, during the polishing process of the polishing wheel 13, the air blower 154 is in a working state and can promote air flow, further, the polished chips can be adsorbed by the material guiding pipe 14 into the water tank 151 through the feeding pipe 152, the collection and cooling of the chips are realized, and meanwhile, dust in the air can not be sucked into the air blower 154 through the filtering effect of the filter screen 155, can discharge through arranging material pipe 153, can purify operational environment, realize clastic collection.
The working principle is as follows:
s1: firstly, a workpiece 10 passes through a material guide through hole 911 on a fixed block 91, so that large particles on the surface of a copper rod are removed through the material guide through hole 911, large residues can fall in a waste bin 7 through a workbench 8 to be collected, the influence on the working environment caused by splashing around is prevented, then the end part of the workpiece 10 passes through an edge grinder 94, the grinding and removal of small broken burrs and residues on the outer wall of the workpiece 10 can be realized, the pretreatment of the outer wall of the workpiece 10 is realized, then two groups of electric telescopic rods 98 extend outwards to drive a mounting plate 95 to move towards the direction close to the edge grinder 94, so that the two groups of clamping blocks 96 are driven to separate by the resilience force of a return spring 97, then the workpiece 10 passes through the mounting plate 95 and is placed between the two groups of clamping blocks 96, meanwhile, the rear end of the workpiece 10 penetrates through a pressing groove 99 and then penetrates through a fixing seat 93, then the two groups of electric telescopic rods 98 are synchronously retracted, the mounting plate 95 is driven to slide in the guide slideway 922, so that the two groups of clamping blocks 96 can be promoted to retract in the pressing groove 99, the clamping and jacking effects of the pressing groove 99 on the clamping blocks 96 are utilized to clamp the workpiece 10 by the two groups of clamping blocks 96, and the two groups of electric telescopic rods 98 provide clamping power to ensure the clamping and fastening degree of the workpiece 10;
s2: then the hydraulic telescopic rod 2 retracts inwards to drive the protection box 4 at the bottom of the top plate 3 to move downwards until the correction grinding tool 5 corresponds to the rear end of the workpiece 10, then the motor in the protection box 4 drives the correction grinding tool 5 to grind and correct the end part of the workpiece 10, so that burrs are ground and removed, meanwhile, the power box 12 can drive the grinding wheel 13 to rotate, the grinding wheel 13 is driven to grind the outer wall of the workpiece 10, the grinding wheel 13 and the outer wall of the workpiece 10 can synchronously grind the workpiece 10, and the grinding efficiency and the grinding quality of the workpiece 10 are improved;
s3: after polishing is completed, the two groups of electric telescopic rods 98 extend outwards, so that the pressing groove 99 can be enabled to be separated from the jacking action on the clamping blocks 96, the two groups of clamping blocks 96 are enabled to be separated through the resilience force of the return spring 97, the clamping action on the workpiece 10 is further lost, the next polishing position of the workpiece 10 can be adjusted, then the workpiece 10 is clamped again through retraction of the two groups of electric telescopic rods 98, polishing treatment is realized through the polishing wheel 13, and the operation is convenient and fast;
s4: in the grinding wheel 13 grinding process, the air blower 154 is in a working state, and can promote air flow, so that the ground chips can be adsorbed through the guide pipe 14, and then the feed pipe 152 is guided into the water tank 151, so that the collection and cooling of the chips are realized, meanwhile, dust in the air can not be sucked into the air blower 154 through the filtering effect of the filter screen 155, and can be discharged through the discharge pipe 153, and the purification of the working environment is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A polisher for bar copper processing, includes base (1), its characterized in that: the hydraulic telescopic rod (2) is fixedly arranged on the left side of the top of the base (1), the top of the right side wall of the hydraulic telescopic rod (2) is fixedly provided with the top plate (3), the bottom of the top plate (3) is fixedly provided with the protection box (4), the front side wall of the protection box (4) is provided with the correction grinding tool (5), the outer side of the correction grinding tool (5) is provided with the protection cover (6) fixed on the front side wall of the protection box (4), the right side of the top of the base (1) is fixedly provided with the waste box (7), the top of the waste box (7) is fixedly provided with the workbench (8), the left side of the top of the workbench (8) is fixedly provided with the clamping device (9), the clamping device (9) is provided with the machined part (10) in a clamping manner, the outer side of the clamping device (9) is fixedly provided with the fixing frame (11), and the bottom center of the fixing frame (11) is fixedly provided with the power box (12), a grinding wheel (13) matched with a workpiece (10) is fixedly assembled at the output end of the power box (12), a dust removal device (15) is fixedly arranged on the right side of the top of the workbench (8), a material guide pipe (14) is fixedly assembled at the top of the dust removal device (15), and the left end of the material guide pipe (14) corresponds to the grinding wheel (13);
the clamping device (9) comprises a fixed block (91) fixed on the front side of the top of the workbench (8), guide posts (92) are fixedly arranged on the left and right sides of the rear side wall of the fixed block (91), fixing seats (93) are fixedly assembled on the rear ends of two groups of guide posts (92), an edge grinder (94) sleeved on the outer wall of a workpiece (10) is fixedly assembled at the center of the rear side wall of the fixed block (91), a mounting plate (95) is assembled between the two groups of guide posts (92) in a sliding manner, clamping blocks (96) are assembled on the left and right sides of the rear side wall of the mounting plate (95) in a sliding manner, a reset spring (97) is fixedly connected between the two groups of clamping blocks (96), electric telescopic rods (98) are fixedly arranged on the left and right sides of an inner cavity of the fixing seat (93), and the output ends of the electric telescopic rods (98) are fixedly assembled on the rear side wall of the mounting plate (95) after penetrating through the front side wall of the fixing seats (93), the center of the front side wall of the fixed seat (93) is provided with a pressing groove (99) matched with the clamping block (96).
2. The grinding machine for copper bar processing according to claim 1, characterized in that: offer guide through-hole (911) with machined part (10) looks adaptation on fixed block (91), the preceding lateral wall left and right sides of edging ware (94) all assembles on fixed block (91) through the support is fixed, just link up the through-hole with machined part (10) looks adaptation around offering on edging ware (94), and the fixed edging sword that is provided with machined part (10) outer wall looks adaptation on the through-hole inner wall.
3. The grinding machine for copper bar processing according to claim 2, characterized in that: two sets of on the relative lateral wall of guide post (92) seted up the ascending direction slide (921) of fore-and-aft direction, just the width of mounting panel (95) and the distance looks adaptation between two sets of guide post (92), just both ends are all fixed to be provided with the slider of sliding assembly in direction slide (921) about mounting panel (95).
4. The grinding machine for copper bar processing according to claim 3, characterized in that: the outer walls of the two groups of clamping blocks (96) are conical, the pressing grooves (99) are conical grooves matched with the clamping blocks (96), and the depth of the pressing grooves (99) is larger than the length of the clamping blocks (96).
5. The grinding machine for copper bar processing according to claim 1, characterized in that: the fixed water tank (151) that is provided with in inner chamber bottom left side of dust collector (15), the fixed inlet pipe (152) that is equipped with in top left side of water tank (151), the top of inlet pipe (152) runs through behind dust collector (15) top and passage (14) fixed connection, the fixed row of material pipe (153) that is equipped with in top right side of water tank (151), the right-hand member of arranging material pipe (153) runs through dust collector (15) right side wall, the fixed air-blower (154) that is provided with in top right side of dust collector (15), the input of air-blower (154) is through pipeline and row material pipe (153) fixed connection, and fixed being equipped with in the pipeline filter screen (155).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301531.3A CN110919476B (en) | 2019-12-17 | 2019-12-17 | A polisher for bar copper processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301531.3A CN110919476B (en) | 2019-12-17 | 2019-12-17 | A polisher for bar copper processing |
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| CN110919476A CN110919476A (en) | 2020-03-27 |
| CN110919476B true CN110919476B (en) | 2022-03-29 |
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| CN201911301531.3A Active CN110919476B (en) | 2019-12-17 | 2019-12-17 | A polisher for bar copper processing |
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| CN204974804U (en) * | 2015-09-29 | 2016-01-20 | 江西江冶实业有限公司 | Online scavenging machine of bar copper |
| CN205764899U (en) * | 2016-05-09 | 2016-12-07 | 合肥同盛物资有限公司 | A kind of copper rod processing unit (plant) with end face debugging functions |
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| Publication number | Publication date |
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| CN110919476A (en) | 2020-03-27 |
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Denomination of invention: A grinding machine for processing copper bar Effective date of registration: 20220530 Granted publication date: 20220329 Pledgee: Jiujiang Bank Co.,Ltd. Guixi sub branch Pledgor: Jiangxi Yuntai Copper Co.,Ltd. Registration number: Y2022980006682 |