CN216541861U - Copper pipe abrasionproof decreases straightener - Google Patents
Copper pipe abrasionproof decreases straightener Download PDFInfo
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- CN216541861U CN216541861U CN202123156482.4U CN202123156482U CN216541861U CN 216541861 U CN216541861 U CN 216541861U CN 202123156482 U CN202123156482 U CN 202123156482U CN 216541861 U CN216541861 U CN 216541861U
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Abstract
The application discloses copper pipe abrasionproof decreases straightener, including the pay-off frame, the pay-off frame is used for placing and carries the copper pipe of treating processing, still includes and sets gradually along copper pipe direction of delivery: the straightening device is arranged on one side of the feeding rack and used for straightening the copper bar; the traction device is arranged on one side of the straightening device and is used for drawing the straightened copper rod; the cutting device is arranged on one side of the traction device and is used for cutting the copper bar pulled by the traction device; wherein, still include protector, set up in pay-off frame with between the straightener for protect the copper pipe and prevent the copper pipe fish tail, protector includes: the protection mechanism is arranged on one side of the feeding rack and comprises a base body, a feeding hole arranged on the base body and a protection ring arranged in the feeding hole and used for protecting the copper pipe; the cleaning mechanism is arranged on one side of the protection mechanism and comprises a cleaning box.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment, and particularly relates to an abrasion-proof and straightening device for a copper pipe.
Background
The straightening machine is equipment for straightening metal sections, bars, pipes, wires and the like. The straightener extrudes the bar material and the like through the straightening roller to change the straightness. Generally, two rows of straightening rollers are provided, and the number of the straightening rollers is different. There are also two-roll straightening machines, which straighten materials of different diameters by means of the angular change of two rolls (concave in the middle, hyperbolic roll). The main types are a pressure straightener, a balance roll straightener, a shoe roll straightener, a rotary reverse bend straightener and the like.
In the prior copper pipe production straightening process, the straightened copper pipe surface is abraded and scalded, and the problems are caused by the following reasons: the existing straightening machine has no corresponding protection function, and cannot protect the copper bar in the straightening process; and secondly, in the straightening process, the surfaces of some copper bars are rusted or contaminated, so that the copper bars are abraded in the straightening process, and the copper bars are scratched.
The publication number is: CN 209935577U's patent, it discloses a straightener is used in copper pipe production, the on-line screen storage device comprises a base, a fixed base, fixing device and strutting arrangement, the top of base and the fixed welding in bottom of fixing base, be equipped with two sets of adjusting device on the fixing base, still be equipped with the shifting chute on the fixing base, the top both sides of base are equipped with two sets of supporting seats, equal fixed welding has fixing device on two sets of supporting seats, be equipped with two sets of conveyer of arranging from top to bottom between a set of supporting seat in two sets of supporting seats and the fixing base, be equipped with the copper pipe that passes fixing device and adjusting device between two sets of conveyer, four groups are installed in the four corners of base and are the support bearing frame that the rectangular array distributes, four groups support bearing frame all with strutting arrangement fixed welding, equal fixed welding has the connecting rod between four groups of strutting arrangement.
Above-mentioned straightener can adjust and fix according to the size of copper pipe, can adjust device's height as required simultaneously, but at the aligning in-process, above-mentioned straightener can't protect the bar copper, does not also handle the bar copper that has the corrosion, causes the fish tail of bar copper easily, influences the bar copper quality, still needs the enhancement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a copper pipe abrasion-proof straightening device which can solve the problems.
The utility model provides a copper pipe abrasionproof decreases straightener, including the pay-off frame, the pay-off frame is used for placing and carries the copper pipe of treating processing, still includes to set gradually along copper pipe direction of delivery: the straightening device is arranged on one side of the feeding rack and used for straightening the copper bar; the traction device is arranged on one side of the straightening device and is used for drawing the straightened copper bar; the cutting device is arranged on one side of the traction device and is used for cutting the copper bar pulled by the traction device; wherein, still include protector, set up in pay-off frame with between the straightener for protect the copper pipe and prevent the copper pipe fish tail, protector includes: the protection mechanism is arranged on one side of the feeding rack and comprises a base body, a feeding hole arranged on the base body and a protection ring arranged in the feeding hole and used for protecting the copper pipe; the cleaning mechanism is arranged on one side of the protection mechanism and comprises a cleaning box, a feeding hole and a discharging hole are formed in the cleaning box, and cleaning wheels used for cleaning impurities on the copper pipes are arranged in the cleaning box; and the lubricating mechanism is arranged on one side of the cleaning mechanism and is used for coating lubricating oil on the surface of the copper pipe.
By adopting the copper pipe abrasion-proof straightening device, the copper pipe can be protected and prevented from being scratched by the protection device, the copper pipe can not be scratched by hard objects with edges and corners at the periphery when being conveyed from the feeding rack by arranging the protection mechanism, and impurities on the surface of the copper pipe can be removed by arranging the cleaning mechanism, so that the copper pipe is prevented from being damaged by the impurities, and the protection effect is achieved; through being equipped with lubricated mechanism, can scribble lubricating oil to the surface coating of copper pipe, make the copper pipe more smooth and easy at the in-process of aligning, further improve the aligning effect, can also prevent that the copper pipe surface from receiving wearing and tearing.
Further, the lubricating mechanism includes: the supporting ring is arranged between the cleaning mechanism and the straightening device, an annular hole for a copper pipe to pass through is formed in the supporting ring, a sponge layer is arranged on the inner wall of the supporting ring, and a first through hole is formed in the top of the supporting ring; the oil dripping tank is arranged above the support ring, lubricating oil is stored in the oil dripping tank, a dropper for dripping the lubricating oil is arranged at the bottom of the oil dripping tank, and the dropper and the first through hole are positioned on the same axis; and a second through hole is also formed in the bottom of the support ring, and the second through hole and the first through hole are positioned on the same axis.
When the copper rod enters the annular hole in the supporting ring, lubricating oil in the oil dropping tank sequentially enters the supporting ring through the dropping pipe and the first through hole, the lubricating oil is absorbed by the sponge layer, the sponge layer with the lubricating oil lubricates the copper rod, so that the copper rod is smoother, the surface of the copper rod is prevented from being damaged during straightening, meanwhile, in the process of lubricating the copper rod, the lubricating oil needs to continuously drop, and excessive lubricating oil can drop from the second through hole and is collected and stored by the second recycling box; in addition, after the copper bar is straightened, lubricating oil on the surface of the copper bar needs to be wiped clean, and the cleanliness of the surface of the copper bar is ensured.
Further: the straightening device comprises: the first straightening part comprises a first straightening seat and two first straightening wheels arranged on the first straightening seat, the two first straightening wheels are respectively positioned at the left side and the right side of the copper pipe, and the side wall of each first straightening wheel is attached to the outer wall of the copper pipe; the second straightening part comprises a second straightening seat and a plurality of second straightening wheels arranged on the second straightening seat, the second straightening wheels are respectively positioned at the upper side and the lower side of the copper pipe, and the side wall of each second straightening wheel is attached to the outer wall of the copper pipe; the two first straightening parts are symmetrically arranged on two sides of the second straightening part of the conveying chamber.
Through being equipped with first straightening portion and second straightening portion, can carry out the aligning operation of equidirectional not to the copper pipe, wherein, the lateral wall of first straightening wheel and second straightening wheel all with the laminating of the outer wall of copper pipe, can effectively improve the aligning effect of copper pipe, in addition through being equipped with two first straightening portions, and two first straightening portion symmetries set up in the both sides of second straightening portion, can carry out many times aligning, further improve the aligning effect of copper bar.
Furthermore, a first recovery box is arranged below the support ring and is located right below the second through hole, and the first recovery box is used for recovering lubricating oil dropping from the second through hole.
Through being equipped with first collection box in the below of support ring, when the lubricating oil in the support ring was too much, lubricating oil can fall into the second collection box through the second through-hole in, lubricating oil from the collection of second collection box can reuse, has saved the resource.
Furthermore, a second recovery box is arranged below the cleaning mechanism, a recovery hole is formed in the bottom of the cleaning box, the second recovery box is located right below the recovery hole, and the second recovery box is used for collecting impurities on the copper rod.
Through the below installation second collection box at clearance mechanism, get into the clearance case when the copper pipe, the clearance wheel clears up the copper pipe, and the impurity that falls after the clearance can fall into the second collection box through the recovery hole in, can prevent that impurity from falling to ground, can also be convenient for the staff unified processing with the impurity gathering.
Furthermore, the cutting device also comprises a baffle plate, and a collecting box is also arranged below the baffle plate.
Through being equipped with the baffle, the baffle is installed in leftmost end, can prevent that the copper pipe from being by the distance overlength that draw gear pull to realize the accurate control of copper pipe cutting length, the copper pipe after cutting off can fall into the collecting box, is convenient for unified processing collect the copper pipe that cuts off.
The utility model has the beneficial effects that:
1. the copper pipe can be protected and prevented from being scratched by the protection device, the copper pipe can not be scratched by a hard object with edges and corners at the periphery when being conveyed from the feeding rack by the protection device, and impurities on the surface of the copper pipe can be removed by the cleaning mechanism, so that the copper pipe is prevented from being damaged by the impurities, and a protection effect is achieved;
2. by arranging the lubricating mechanism, lubricating oil can be coated on the surface of the copper pipe, so that the copper pipe is smoother in the straightening process, the straightening effect is further improved, and the surface of the copper pipe can be prevented from being abraded;
3. through being equipped with the baffle, the baffle is installed in leftmost end, can prevent that the copper pipe from being by the distance overlength that draw gear pull to realize the accurate control of copper pipe cutting length, the copper pipe after cutting off can fall into the collecting box, is convenient for unified processing collect the copper pipe that cuts off.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The reference numbers in the figures are: 100. a feeding frame; 200. a guard; 210. a protection mechanism; 211. a base body; 212. a feed port; 213. a guard ring; 220. a cleaning mechanism; 221. cleaning the box; 222. a feed inlet; 223. a discharge port; 224. cleaning the wheel; 225. a recovery hole; 226. a second recovery tank; 230. a lubrication mechanism; 231. a support ring; 232. annular ring; 233. a sponge layer; 234. a first through hole; 235. a second through hole; 236. an oil dripping tank; 237. a dropper; 238. a first recovery tank; 300. a straightening device; 310. a first straightening part; 311. a first straightening seat; 312. a first straightening wheel; 320. a second straightening unit; 321. a second straightening seat; 322. a second straightening wheel; 400. a traction device; 500. a cutting device; 510. a baffle plate; 520. and a collection box.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The copper pipe abrasion-proof straightening device provided by the embodiment of the application is described in detail by specific embodiments and application scenarios thereof with reference to the attached drawings.
Example 1:
as shown in fig. 1, an embodiment of the present application provides a copper pipe abrasion-proof straightening device, which includes a feeding rack 100, where the feeding rack 100 is used to place and convey a copper pipe to be processed, and further includes: the straightening device 300 is arranged on one side of the feeding rack 100 and is used for straightening the copper bar; the traction device 400 is arranged on one side of the straightening device 300 and is used for drawing the straightened copper rod; a cutting device 500 provided at one side of the drawing device 400, for cutting the copper bar drawn by the drawing device 400; wherein, still include protector 200, set up between pay-off frame 100 and straightener 300 for protect the copper pipe and prevent the copper pipe fish tail, protector 200 includes: the protection mechanism 210 is arranged on one side of the feeding rack 100, and the protection mechanism 210 comprises a base body 211, a feeding hole 212 arranged on the base body 211 and a protection ring 213 arranged in the feeding hole 212 and used for protecting a copper pipe; the cleaning mechanism 220 is arranged on one side of the protection mechanism 210, the cleaning mechanism 220 comprises a cleaning box 221, a feeding hole 222 and a discharging hole 223 are formed in the cleaning box 221, and a cleaning wheel 224 used for cleaning impurities on the copper pipe is arranged in the cleaning box 221; and the lubricating mechanism 230 is arranged on one side of the cleaning mechanism 220, and the lubricating mechanism 230 is used for coating lubricating oil on the surface of the copper pipe.
In some embodiments of the embodiment of the present application, as shown in fig. 1, by providing the protection device 200, the copper pipe can be protected and prevented from being scratched, by providing the protection mechanism 210, the copper pipe can not be scratched by a hard object with an angular edge on the periphery when being conveyed from the feeding rack 100, and by providing the cleaning mechanism 220, impurities on the surface of the copper pipe can be removed, so that the copper pipe is prevented from being damaged by the impurities, and a protection effect is achieved; through being equipped with lubricated mechanism 230, can scribble lubricating oil to the surface coating of copper pipe, make the copper pipe more smooth and easy at the in-process of aligning, further improve the aligning effect, can also prevent that the copper pipe surface from receiving wearing and tearing.
Further, as shown in fig. 1, the cutting device 500 further includes a baffle 510, and a collecting box 520 is further disposed below the baffle 510.
In this application embodiment, through being equipped with baffle 510, baffle 510 is installed in the leftmost end, can prevent that the copper pipe from being by the distance overlength that draw gear 400 pulled to realize the accurate control of copper pipe cutting length, the copper pipe after cutting off can fall into collecting box 520, is convenient for unified processing to collect the copper pipe of cutting off.
In addition, a second recovery tank 226 is arranged below the cleaning mechanism 220, a recovery hole 225 is arranged at the bottom of the cleaning tank 221, the second recovery tank 226 is located right below the recovery hole 225, and the second recovery tank 226 is used for collecting impurities on the copper rods.
Through the below installation second collection box 226 at clearance mechanism 220, get into clearance case 221 when the copper pipe, the clearance wheel 224 clears up the copper pipe, and the impurity that falls after the clearance can fall into second collection box 226 through recovery hole 225 in, can prevent that impurity from falling to ground, can also be convenient for the staff unified processing with the impurity gathering.
Example 2:
the embodiment of the application provides a copper pipe abrasion-proof straightening device, which comprises the technical characteristics, and the copper pipe abrasion-proof straightening device further comprises the following technical characteristics.
As shown in fig. 1, the lubricating mechanism 230 includes: the supporting ring 231 is arranged between the cleaning mechanism 220 and the straightening device 300, an annular hole 232 for a copper pipe to pass through is formed in the supporting ring 231, a sponge layer 233 is arranged on the inner wall of the supporting ring 231, and a first through hole 234 is formed in the top of the supporting ring 231; the oil dropping tank 236 is arranged above the support ring 231, lubricating oil is stored in the oil dropping tank 236, a dropping pipe 237 for dropping the lubricating oil is arranged at the bottom of the oil dropping tank 236, and the dropping pipe 237 and the first through hole 234 are positioned on the same axis; the bottom of the support ring 231 is further provided with a second through hole 235, and the second through hole 235 and the first through hole 234 are located on the same axis.
In the embodiment of the application, when the copper rod enters the annular hole 232 in the support ring 231, the lubricating oil in the oil dropping tank 236 sequentially enters the support ring 231 through the dropper 237 and the first through hole 234, the lubricating oil is absorbed by the sponge layer 233, and the sponge layer 233 with the lubricating oil lubricates the copper rod, so that the copper rod is smoother, the surface of the copper rod is prevented from being damaged during straightening, meanwhile, in the process of lubricating the copper rod, the lubricating oil needs to continuously drop, and excessive lubricating oil drops from the second through hole 235 and is collected and stored by the second recovery tank 226; in addition, after the copper bar is straightened, lubricating oil on the surface of the copper bar needs to be wiped clean, and the cleanliness of the surface of the copper bar is ensured.
Furthermore, a first recovery tank 238 is disposed below the support ring 231, and the first recovery tank 238 is disposed directly below the second through hole 235 for recovering the lubricating oil dropping from the second through hole 235.
In some embodiments of the present application, by providing the first recycling tank 238 below the supporting ring 231, when the lubricating oil in the supporting ring 231 is excessive, the lubricating oil may fall into the second recycling tank 226 through the second through holes 235, and the lubricating oil collected from the second recycling tank 226 may be recycled, thereby saving resources.
Example 3:
the embodiment of the application provides a copper pipe abrasion-proof straightening device, which comprises the technical characteristics, and the copper pipe abrasion-proof straightening device further comprises the following technical characteristics.
As shown in FIG. 1, the straightening apparatus 300 includes: the first straightening portion 310 comprises a first straightening seat 311 and two first straightening wheels 312 arranged on the first straightening seat 311, the two first straightening wheels 312 are respectively positioned at the left side and the right side of the copper pipe, and the side wall of each first straightening wheel 312 is attached to the outer wall of the copper pipe; the second straightening part 320, the second straightening part 320 includes a second straightening seat 321 and a plurality of second straightening wheels 322 disposed on the second straightening seat 321, the plurality of second straightening wheels 322 are respectively located at the upper and lower sides of the copper pipe, and the side wall of each second straightening wheel 322 is attached to the outer wall of the copper pipe; two first straightening portions 310 are provided, and the two first straightening portions 310 are symmetrically provided at two sides of the second straightening portion 320 of the conveying chamber.
In the embodiment of the present application, the first straightening portion 310 and the second straightening portion 320 are provided, so that the straightening operation of different directions can be performed on the copper pipe, wherein the side walls of the first straightening wheel 312 and the second straightening wheel 322 are both attached to the outer wall of the copper pipe, so that the straightening effect of the copper pipe can be effectively improved, and in addition, by providing two first straightening portions 310 and symmetrically providing the two first straightening portions 310 on two sides of the second straightening portion 320, the straightening can be performed for multiple times, so that the straightening effect of the copper rod is further improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the utility model is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a copper pipe abrasionproof decreases straightener, includes pay-off frame (100), pay-off frame (100) are used for placing and carry the copper pipe of treating processing, its characterized in that: still include along copper pipe direction of delivery set gradually:
the straightening device (300) is arranged on one side of the feeding rack (100) and is used for straightening the copper bar;
the traction device (400) is arranged on one side of the straightening device (300) and is used for drawing the straightened copper rod;
the cutting device (500) is arranged on one side of the traction device (400) and is used for cutting the copper bar pulled by the traction device (400);
wherein, still include protector (200), set up in pay-off frame (100) with straightener (300) between for protect copper pipe and prevent copper pipe fish tail, protector (200) include:
the protection mechanism (210) is arranged on one side of the feeding rack (100), and the protection mechanism (210) comprises a base body (211), a feeding hole (212) arranged on the base body (211) and a protection ring (213) arranged in the feeding hole (212) and used for protecting a copper pipe;
the cleaning mechanism (220) is arranged on one side of the protection mechanism (210), the cleaning mechanism (220) comprises a cleaning box (221), a feeding hole (222) and a discharging hole (223) are formed in the cleaning box (221), and a cleaning wheel (224) used for cleaning impurities on the copper pipe is arranged in the cleaning box (221);
and the lubricating mechanism (230) is arranged on one side of the cleaning mechanism (220), and the lubricating mechanism (230) is used for coating lubricating oil on the surface of the copper pipe.
2. A copper tube wear prevention and straightening device according to claim 1, which is characterized in that: the lubricating mechanism (230) includes:
the supporting ring (231) is arranged between the cleaning mechanism (220) and the straightening device (300), an annular hole (232) for a copper pipe to pass through is formed in the supporting ring (231), a sponge layer (233) is arranged on the inner wall of the supporting ring (231), and a first through hole (234) is formed in the top of the supporting ring (231);
the oil dripping tank (236) is arranged above the support ring (231), lubricating oil is stored in the oil dripping tank (236), a dropper (237) for dripping the lubricating oil is arranged at the bottom of the oil dripping tank (236), and the dropper (237) and the first through hole (234) are positioned on the same axis;
the bottom of the support ring (231) is also provided with a second through hole (235), and the second through hole (235) and the first through hole (234) are located on the same axis.
3. A copper tube wear prevention and straightening device according to claim 2, characterized in that: the straightening apparatus (300) includes:
the first straightening part (310) comprises a first straightening seat (311) and two first straightening wheels (312) arranged on the first straightening seat (311), the two first straightening wheels (312) are respectively positioned at the left side and the right side of the copper pipe, and the side wall of each first straightening wheel (312) is attached to the outer wall of the copper pipe;
the second straightening part (320) comprises a second straightening seat (321) and a plurality of second straightening wheels (322) arranged on the second straightening seat (321), the plurality of second straightening wheels (322) are respectively positioned at the upper side and the lower side of the copper pipe, and the side wall of each second straightening wheel (322) is attached to the outer wall of the copper pipe;
the number of the first straightening parts (310) is two, and the two first straightening parts (310) are symmetrically arranged on two sides of the second straightening part (320) of the conveying chamber.
4. A copper tube wear prevention and straightening device according to claim 2, characterized in that: and a first recovery tank (238) is also arranged below the support ring (231), and the first recovery tank (238) is positioned right below the second through hole (235) and is used for recovering lubricating oil dropping from the second through hole (235).
5. A copper tube wear prevention and straightening device according to claim 1, which is characterized in that: the cleaning mechanism (220) is further provided with a second recovery box (226) below the cleaning mechanism, the bottom of the cleaning box (221) is provided with a recovery hole (225), the second recovery box (226) is located right below the recovery hole (225), and the second recovery box (226) is used for collecting impurities on the copper rod.
6. A copper tube wear prevention and straightening device according to claim 1, which is characterized in that: the cutting device (500) further comprises a baffle (510), and a collecting box (520) is further arranged below the baffle (510).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156482.4U CN216541861U (en) | 2021-12-15 | 2021-12-15 | Copper pipe abrasionproof decreases straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156482.4U CN216541861U (en) | 2021-12-15 | 2021-12-15 | Copper pipe abrasionproof decreases straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216541861U true CN216541861U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123156482.4U Expired - Fee Related CN216541861U (en) | 2021-12-15 | 2021-12-15 | Copper pipe abrasionproof decreases straightener |
Country Status (1)
| Country | Link |
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| CN (1) | CN216541861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119267761A (en) * | 2024-12-12 | 2025-01-07 | 安徽拓美威焊割科技有限公司 | A surface lubrication device for copper rod processing |
-
2021
- 2021-12-15 CN CN202123156482.4U patent/CN216541861U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119267761A (en) * | 2024-12-12 | 2025-01-07 | 安徽拓美威焊割科技有限公司 | A surface lubrication device for copper rod processing |
| CN119267761B (en) * | 2024-12-12 | 2025-04-25 | 安徽拓美威焊割科技有限公司 | A surface lubrication device for copper rod processing |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |