CN204711259U - A kind of device for holing to steel pipe - Google Patents
A kind of device for holing to steel pipe Download PDFInfo
- Publication number
- CN204711259U CN204711259U CN201520223559.0U CN201520223559U CN204711259U CN 204711259 U CN204711259 U CN 204711259U CN 201520223559 U CN201520223559 U CN 201520223559U CN 204711259 U CN204711259 U CN 204711259U
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- steel pipe
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Abstract
The utility model discloses a kind of device for holing to steel pipe, comprising units, at least one support unit; Support unit comprises supporting disk, hydraulic cylinder, this supporting disk is provided with the first chute, is provided with 2 the first slide blocks in this first chute, each first slide block is equipped with a gripper shoe, 2 gripper shoes are arranged in parallel, and 2 the first slide blocks are in transmission connection by isometric connecting rod and hydraulic cylinder; Units comprises some drill bits, and the bearing of trend of this drill bit is vertical with the direction that gripper shoe extends, and this drill bit distributes along the bearing of trend of gripper shoe, and the horizontal range between this drill bit with 2 gripper shoes is equal.The utility model, by the design of support unit, even if the steel pipe of processing different-diameter, different length also can ensure machining accuracy, also can carry out bore operation to the diverse location of steel pipe; By the design of first, second extension board, effectively prevent sinking of steel pipe tube wall, ensure that crudy.
Description
Technical field
The utility model relates to metallic article processing equipment technical field, is specifically related to a kind of device for holing to steel pipe.
Background technology
Steel pipe is radially holed and needs drilling rod through on the diameter line in the steel pipe center of circle; Then require in the axial direction and axes normal.And a steel pipe needs boring repeatedly, require the centerline parallel of all boring.Due to the line that axis is virtual, multiple boring is all met through steel pipe circle and and axes normal, difficulty of processing is very large.Traditional method is that the position will punched on steel pipe pulls line and carries out mark.Then holed to gauge point by drilling tool, in fact this processing method is very coarse, and precision is not high, main by the work of workman's experience.
In Chinese Patent Application No.: disclose a kind of two parallel cylindrical bar symmetrical positioning drilling device in 200620041506.8, comprise drilling equipment, drilling equipment is by track Rack Body, track, drilling turning engine support body, clamping device, motor forms, it is characterized in that: described symmetrical location drilling device also comprises positioner, positioner is made up of two parallel cylinder rods and fixed flat planar frame, two parallel same diameter cylindrical rods are housed in fixed flat planar frame bottom, on fixed flat planar frame top, drilling equipment is housed, clamping device center line is positioned at two parallel cylinder rod central authorities.This technical scheme requires that device structure is complicated, and working (machining) efficiency is low.
In Chinese Patent Application No.: disclose a kind of metal tube Drilling operation platform in 201320211266.1, comprise machine table body, described machine table body is provided with slotted eye, the side of described machine table body is provided with turning cylinder and metal tube grip slipper, described metal tube grip slipper is made up of the linking arm of integral structure and two clamping limbs, described linking arm socket on the rotating shaft, described clamping limb is provided with two metal tube clamping heads that gap is arranged, described metal tube grip slipper is in tilted layout in slotted eye, and the rig positioning seat described machine table body is also provided with for placing rig.This technical scheme can not well to needing the position of boring to position, machining accuracy is not high, and, easily cause metal tube occurs concave region around hole when holing, thus affect the quality of metal tube, can not carry out boring process to the metal tube of different-diameter, this technical scheme needs further to be improved.
Utility model content
For the problems referred to above, the utility model provides a kind of device for holing to steel pipe, and machining accuracy is high, and steel pipe tube wall can not sink, and result of use is good.
In order to solve the problem, the technical scheme that the utility model provides is:
For a device of holing to steel pipe, comprise units, at least one support unit;
Support unit comprises supporting disk, hydraulic cylinder, this supporting disk is provided with the first chute, 2 the first slide blocks are provided with in this first chute, each first slide block is equipped with a gripper shoe, 2 gripper shoes are arranged in parallel, and 2 the first slide blocks are in transmission connection by isometric connecting rod and described hydraulic cylinder;
Units comprises some drill bits, the bearing of trend of this drill bit is vertical with the direction that gripper shoe extends, and this drill bit distributes along the bearing of trend of gripper shoe, and the horizontal range between this drill bit with 2 described gripper shoes is equal, otherwise drill bit can not be holed along the radial direction of steel pipe.
Utilize hydraulic cylinder to promote first by connecting rod to slide, adjust the distance between 2 gripper shoes, the steel pipe of different-diameter can be supported, and, due to 2 gripper shoes be arranged in parallel, hydraulic cylinder promotes the first slide block by isometric connecting rod, therefore the position of center line between 2 gripper shoes is fixing, like this, when supporting the diameter of different steel pipe, the position of the axis of steel pipe is also fixing, like this, when utilizing units to hole, can ensure that drill bit carries out bore operation along the radial direction of steel pipe, effectively ensure that machining accuracy.
Preferably, gripper shoe described at least one is provided with the first extension board away from one end of described first slide block, and this first extension board extends along the bearing of trend of described gripper shoe.
Utilize the tube wall of the first extension board supporting steel pipe, like this, when carrying out bore operation, tube wall can not sink, and ensure that the quality of steel pipe.
Preferably, the surface of described first extension board, gripper shoe and the inwall of steel pipe are fitted.
So that the tube wall of supporting steel pipe while of the first extension board, gripper shoe.
Preferably, described first extension board arranges some first through holes or the first groove along the bearing of trend of the first extension board, described first through hole or the first groove is corresponding with described drill bit arranges; Described first chute extends along the bearing of trend of described drill bit, can ensure like this first extension board just in time supporting steel pipe need boring region.
By arranging the first through hole or the first groove, so that better supporting steel pipe tube wall, meanwhile, when holing, the iron filings of generation can enter the first through hole or the first groove, prevent iron filings from wearing and tearing further to steel pipe.
Preferably, described supporting disk is provided with the second extension board, and this second extension board extends along the bearing of trend of described gripper shoe, and the surface of described second extension board and the inwall of steel pipe are fitted.
Utilize the tube wall of the second extension board supporting steel pipe, when carrying out bore operation, tube wall can not sink, and ensure that the quality of steel pipe.
Preferably, described supporting disk is provided with the second chute, and this second chute extends along the bearing of trend of described drill bit, is provided with the second slide block in this second chute, and described second extension board is connected with described second slide block.
The position of the second extension board is adjusted according to the steel pipe of different-diameter.
Preferably, described second extension board arranges some second through holes or the second groove along the bearing of trend of the second extension board, described second through hole or the second groove is corresponding with described drill bit arranges; Described second chute extends along the bearing of trend of described drill bit; Can ensure the second extension board just in time supporting steel pipe need boring region.
When holing, the iron filings of generation can enter the second through hole or the second groove, prevent iron filings from wearing and tearing further to steel pipe.
Preferably, described support unit also comprises support, and described supporting disk is connected with described holder pivots.
Supporting disk, gripper shoe can be utilized to rotate steel pipe, bore operation is carried out to the diverse location of steel pipe.
Preferably, the quantity of described support unit is 2,2 support units are distributed in the two ends of steel pipe, and the centerline collineation of 2 gripper shoes in the center line of 2 gripper shoes in a support unit and another support unit, like this can from two ends supporting steel pipe.
From two ends supporting steel pipe, bore operation can be facilitated.
Preferably, also comprise cylinder, guide rail, this guide rail distributes along the bearing of trend of gripper shoe, and being provided with in this guide rail can along the sliding shoe of slide, and this sliding shoe is connected with described cylinder-driven; Support described at least one is connected with described sliding shoe.
Distance between 2 support units can be adjusted according to the steel pipe of different length.
Compared with prior art, the beneficial effects of the utility model are:
The utility model, by the design of support unit, even if the steel pipe of processing different-diameter, different length also can ensure machining accuracy, also can carry out bore operation to the diverse location of steel pipe; By the design of first, second extension board, effectively prevent sinking of steel pipe tube wall, ensure that crudy; Apparatus structure is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 of the present utility model;
Fig. 2 is the front view of embodiment 2 of the present utility model;
Fig. 3 is the top view of support unit in embodiment 2 of the present utility model, steel pipe;
Fig. 4 is the right view of the supporting disk in embodiment 2 of the present utility model.
In figure: 1, units, 2, supporting disk, 3, hydraulic cylinder, the 4, first chute, 5, the first slide block, 6, gripper shoe, 7, connecting rod, 8, drill bit, the 9, first extension board, the 10, first through hole, 11, the second extension board, the 12, second chute, the 13, second slide block, 14, the second through hole, 15, support, 16, cylinder, 17, guide rail, 18, sliding shoe, 19, steel pipe.
Detailed description of the invention
Below the utility model is described further:
Embodiment 1:
Composition graphs 1: a kind of device for holing to steel pipe, comprises units 1, at least one support unit;
Support unit comprises supporting disk 2, hydraulic cylinder 3, this supporting disk 2 is provided with the first chute 4,2 the first slide blocks 5 are provided with in this first chute 4, each first slide block 5 is equipped with a gripper shoe 6,2 gripper shoes 6 are arranged in parallel, and 2 the first slide blocks 5 are in transmission connection with hydraulic cylinder 3 by isometric connecting rod 7;
Units 1 comprises some drill bits 8, the bearing of trend of this drill bit 8 is vertical with the direction that gripper shoe 6 extends, and this drill bit 8 distributes along the bearing of trend of gripper shoe 6, and the horizontal range between this drill bit 8 with 2 gripper shoes 6 is equal, otherwise drill bit 8 can not be holed along the radial direction of steel pipe 19.
Hydraulic cylinder 3 is utilized to promote the first slip 5 by connecting rod 7, adjust the distance between 2 gripper shoes 6, the steel pipe 19 of different-diameter can be supported, and, because 2 gripper shoes 6 be arranged in parallel, hydraulic cylinder 3 promotes the first slide block 5 by isometric connecting rod 7, therefore the position of center line between 2 gripper shoes 6 is fixing, like this, when supporting the diameter of different steel pipe 19, the position of the axis of steel pipe 19 is also fixing, like this, when utilizing units 1 to hole, can ensure that drill bit 8 carries out bore operation along the radial direction of steel pipe 19, effectively ensure that machining accuracy.
At least one gripper shoe 6 is provided with the first extension board 9 away from one end of the first slide block 5, and this first extension board 9 extends along the bearing of trend of gripper shoe 6.
Utilize the tube wall of the first extension board 9 supporting steel pipe 19, like this, when carrying out bore operation, tube wall can not sink, and ensure that the quality of steel pipe 19.
The surface of the first extension board 9, gripper shoe 6 and the inwall of steel pipe 19 are fitted.
So that the tube wall of supporting steel pipe 19 while of the first extension board 9, gripper shoe 6.
First extension board 9 arranges some first through hole 10 or the first grooves along the bearing of trend of the first extension board 9, first through hole 10 or the first groove is corresponding with drill bit 8 arranges, drill bit 8 is vertically arranged, and when the first extension version 9 is placed in steel pipe 19, through hole 10 is placed in immediately below drill bit 8; First chute 4 extends along the bearing of trend of drill bit 8, can ensure like this first extension board 9 just in time supporting steel pipe 19 need boring region.
By arranging the first through hole 10 in the present embodiment, so that better supporting steel pipe 19 tube wall, meanwhile, when holing, the iron filings of generation can enter the first through hole 10, prevent iron filings from wearing and tearing further to steel pipe 19.
Support unit also comprises support 15, and supporting disk 2 and support 15 are rotationally connected.
Supporting disk 2 can be utilized, gripper shoe 6 rotates steel pipe 19, bore operation is carried out to the diverse location of steel pipe 19.
The quantity of support unit is 2, and 2 support units are distributed in the two ends of steel pipe 19, and the centerline collineation of 2 gripper shoes 6 in the center line of 2 gripper shoes 6 in a support unit and another support unit, like this can from two ends supporting steel pipe 19.
From two ends supporting steel pipe 19, bore operation can be facilitated.
Also comprise cylinder 16, guide rail 17, this guide rail 17 distributes along the bearing of trend of gripper shoe 6, is provided with the sliding shoe 18 that can slide along guide rail 17 in this guide rail 17, and this sliding shoe 18 is in transmission connection with cylinder 16; At least one support 15 is connected with sliding shoe 18.
Distance between 2 support units can be adjusted according to the steel pipe 19 of different length.
In the present embodiment, gripper shoe 6, first extension board 9 can be horizontally disposed with, the first chute 4, drill bit 8 are vertically arranged.
Embodiment 2:
Composition graphs 2,3,4: a kind of device for holing to steel pipe, comprises units 1, at least one support unit;
Support unit comprises supporting disk 2, hydraulic cylinder 3, this supporting disk 2 is provided with the first chute 4,2 the first slide blocks 5 are provided with in this first chute 4, each first slide block 5 is equipped with a gripper shoe 6,2 gripper shoes 6 are arranged in parallel, and 2 the first slide blocks 5 are in transmission connection with hydraulic cylinder 3 by isometric connecting rod 7;
Units 1 comprises some drill bits 8, the bearing of trend of this drill bit 8 is vertical with the direction that gripper shoe 6 extends, and this drill bit 8 distributes along the bearing of trend of gripper shoe 6, and the horizontal range between this drill bit 8 with 2 gripper shoes 6 is equal, otherwise drill bit 8 can not be holed along the radial direction of steel pipe 19.
Hydraulic cylinder 3 is utilized to promote the first slip 5 by connecting rod 7, adjust the distance between 2 gripper shoes 6, the steel pipe 19 of different-diameter can be supported, and, because 2 gripper shoes 6 be arranged in parallel, hydraulic cylinder 3 promotes the first slide block 5 by isometric connecting rod 7, therefore the position of center line between 2 gripper shoes 6 is fixing, like this, when supporting the diameter of different steel pipe 19, the position of the axis of steel pipe 19 is also fixing, like this, when utilizing units 1 to hole, can ensure that drill bit 8 carries out bore operation along the radial direction of steel pipe 19, effectively ensure that machining accuracy.
Supporting disk 2 is provided with the second extension board 11, and this second extension board 11 extends along the bearing of trend of gripper shoe 6, and the surface of the second extension board 11 and the inwall of steel pipe 19 are fitted.
Utilize the tube wall of the second extension board 11 supporting steel pipe 19, when carrying out bore operation, tube wall can not sink, and ensure that the quality of steel pipe 19.
Supporting disk 2 is provided with the second chute 12, and this second chute 12 extends along the bearing of trend of drill bit 8, is provided with the second slide block 13, second extension board 11 and is connected with the second slide block 13 in this second chute 12.
The position of the second extension board 11 is adjusted according to the steel pipe 19 of different-diameter.
Second extension board 11 arranges some second through hole 14 or the second grooves along the bearing of trend of the second extension board 11, the second through hole 14 or the second groove is corresponding with drill bit 8 arranges; In the present embodiment, drill bit 8 is vertically arranged, and when the second extension board 11 is placed in steel pipe, the second through hole 14 is placed in immediately below drill bit 8; Second chute 12 extends along the bearing of trend of drill bit 8; Can ensure the second extension board 11 just in time supporting steel pipe 19 need boring region.
By arranging the second through hole 14 in the present embodiment, when holing, the iron filings of generation can enter the second through hole 14, prevent iron filings from wearing and tearing further to steel pipe 19.
Support unit also comprises support 15, and supporting disk 2 and support 15 are rotationally connected.
Supporting disk 2 can be utilized, gripper shoe 6 rotates steel pipe 19, bore operation is carried out to the diverse location of steel pipe 19.
The quantity of support unit is 2, and 2 support units are distributed in the two ends of steel pipe 19, and the centerline collineation of 2 gripper shoes 6 in the center line of 2 gripper shoes 6 in a support unit and another support unit, like this can from two ends supporting steel pipe 19.
From two ends supporting steel pipe 19, bore operation can be facilitated.
Also comprise cylinder 16, guide rail 17, this guide rail 17 distributes along the bearing of trend of gripper shoe 6, is provided with the sliding shoe 18 that can slide along guide rail 17 in this guide rail 17, and this sliding shoe 18 is in transmission connection with cylinder 16; At least one support 15 is connected with sliding shoe 18.
Distance between 2 support units can be adjusted according to the steel pipe 19 of different length.
In the present embodiment, gripper shoe 6, first chute 4, second extension board 11 can be horizontally disposed with, the second chute 12, drill bit 8 are vertically arranged.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. the device for holing to steel pipe, is characterized in that: comprise units (1), at least one support unit;
Support unit comprises supporting disk (2), hydraulic cylinder (3), this supporting disk (2) is provided with the first chute (4), 2 the first slide blocks (5) are provided with in this first chute (5), each first slide block (5) is equipped with a gripper shoe (6), 2 gripper shoes (6) are arranged in parallel, and 2 the first slide blocks (5) are in transmission connection by isometric connecting rod (7) and described hydraulic cylinder (3);
Units (1) comprises some drill bits (8), the bearing of trend of this drill bit (8) is vertical with the direction that gripper shoe (6) extends, this drill bit (8) distributes along the bearing of trend of gripper shoe (6), and the horizontal range between this drill bit (8) with 2 described gripper shoes (6) is equal.
2. the device for holing to steel pipe according to claim 1, it is characterized in that: gripper shoe described at least one (6) is provided with the first extension board (9) away from one end of described first slide block (5), this first extension board (9) extends along the bearing of trend of described gripper shoe (6).
3. the device for holing to steel pipe according to claim 2, is characterized in that: the surface of described first extension board (9), gripper shoe (6) and the inwall of steel pipe (19) are fitted.
4. the device for holing to steel pipe according to Claims 2 or 3, it is characterized in that: described first extension board (9) arranges some first through holes (10) or the first groove along the bearing of trend of the first extension board (9), described first through hole (10) or the first groove is corresponding with described drill bit (8) arranges; Described first chute (4) extends along the bearing of trend of described drill bit (8).
5. the device for holing to steel pipe according to claim 1, it is characterized in that: described supporting disk (2) is provided with the second extension board (11), this second extension board (11) extends along the bearing of trend of described gripper shoe (6), and the surface of described second extension board (11) and the inwall of steel pipe (19) are fitted.
6. the device for holing to steel pipe according to claim 5, it is characterized in that: described supporting disk (2) is provided with the second chute (12), this second chute (12) extends along the bearing of trend of described drill bit (8), be provided with the second slide block (13) in this second chute (8), described second extension board (11) is connected with described second slide block (13).
7. the device for holing to steel pipe according to claim 5 or 6, it is characterized in that: described second extension board (11) arranges some second through holes (14) or the second groove along the bearing of trend of the second extension board (11), described second through hole (14) or the second groove is corresponding with described drill bit (8) arranges.
8. the device for holing to steel pipe according to claim 1 or 2 or 5, is characterized in that: described support unit also comprises support (15), and described supporting disk (2) and described support (15) are rotationally connected.
9. the device for holing to steel pipe according to claim 8, it is characterized in that: the quantity of described support unit is 2,2 support units are distributed in the two ends of steel pipe (19), the centerline collineation of 2 gripper shoes (6) in the center line of 2 gripper shoes (6) in a support unit and another support unit.
10. the device for holing to steel pipe according to claim 9, it is characterized in that: also comprise cylinder (16), guide rail (17), this guide rail (17) distributes along the bearing of trend of gripper shoe (6), be provided with the sliding shoe (18) that can slide along guide rail (17) in this guide rail (17), this sliding shoe (18) and described cylinder (16) are in transmission connection; Support described at least one (15) is connected with described sliding shoe (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223559.0U CN204711259U (en) | 2015-04-14 | 2015-04-14 | A kind of device for holing to steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223559.0U CN204711259U (en) | 2015-04-14 | 2015-04-14 | A kind of device for holing to steel pipe |
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| Publication Number | Publication Date |
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| CN204711259U true CN204711259U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520223559.0U Expired - Fee Related CN204711259U (en) | 2015-04-14 | 2015-04-14 | A kind of device for holing to steel pipe |
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| CN (1) | CN204711259U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827074A (en) * | 2015-04-14 | 2015-08-12 | 繁昌县陈氏金属制品有限公司 | Apparatus for boring hole in steel tube |
| CN105436552A (en) * | 2015-12-16 | 2016-03-30 | 宁国市嘉翔机械有限公司 | Drilling device for U-shaped connector |
| CN106862951A (en) * | 2017-04-13 | 2017-06-20 | 成都振中电气有限公司 | The fixed system of borehole accuracy can be improved |
| CN108161505A (en) * | 2017-12-25 | 2018-06-15 | 全椒县新华机械有限责任公司 | A kind of device for the processing of oil production machine oil pipe |
| CN110000406A (en) * | 2019-04-29 | 2019-07-12 | 张家港市振原制管有限公司 | A kind of tubing hole structure and boring method |
| CN110711876A (en) * | 2019-09-06 | 2020-01-21 | 江西理工大学应用科学学院 | Steel pipe machining equipment based on PLC control |
| CN110732702A (en) * | 2019-10-28 | 2020-01-31 | 周小龙 | steel pipe is punched with preventing sunken equipment |
| CN110899765A (en) * | 2019-12-10 | 2020-03-24 | 湖州织里振皓铝业有限公司 | Be used for aluminum product pipeline surface engraving and processing device |
| CN112317796A (en) * | 2020-09-27 | 2021-02-05 | 怀化市康美悦信息科技有限公司 | Polar plate machining mechanism for lithium battery based on new energy automobile and using method of polar plate machining mechanism |
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2015
- 2015-04-14 CN CN201520223559.0U patent/CN204711259U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827074A (en) * | 2015-04-14 | 2015-08-12 | 繁昌县陈氏金属制品有限公司 | Apparatus for boring hole in steel tube |
| CN104827074B (en) * | 2015-04-14 | 2018-02-09 | 芜湖倍思科创园有限公司 | A kind of device for being drilled to steel pipe |
| CN105436552A (en) * | 2015-12-16 | 2016-03-30 | 宁国市嘉翔机械有限公司 | Drilling device for U-shaped connector |
| CN105436552B (en) * | 2015-12-16 | 2018-06-26 | 宁国市嘉翔机械有限公司 | A kind of U-joint drilling device |
| CN106862951A (en) * | 2017-04-13 | 2017-06-20 | 成都振中电气有限公司 | The fixed system of borehole accuracy can be improved |
| CN108161505A (en) * | 2017-12-25 | 2018-06-15 | 全椒县新华机械有限责任公司 | A kind of device for the processing of oil production machine oil pipe |
| CN110000406A (en) * | 2019-04-29 | 2019-07-12 | 张家港市振原制管有限公司 | A kind of tubing hole structure and boring method |
| CN110000406B (en) * | 2019-04-29 | 2024-03-01 | 泽州县畅通铸业有限公司 | Pipe drilling structure and drilling method |
| CN110711876A (en) * | 2019-09-06 | 2020-01-21 | 江西理工大学应用科学学院 | Steel pipe machining equipment based on PLC control |
| CN110732702A (en) * | 2019-10-28 | 2020-01-31 | 周小龙 | steel pipe is punched with preventing sunken equipment |
| CN110899765A (en) * | 2019-12-10 | 2020-03-24 | 湖州织里振皓铝业有限公司 | Be used for aluminum product pipeline surface engraving and processing device |
| CN110899765B (en) * | 2019-12-10 | 2020-12-01 | 徐州云创餐饮有限公司 | Be used for aluminum product pipeline surface engraving and processing device |
| CN112317796A (en) * | 2020-09-27 | 2021-02-05 | 怀化市康美悦信息科技有限公司 | Polar plate machining mechanism for lithium battery based on new energy automobile and using method of polar plate machining mechanism |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |