CN111974918B - Screw thread forming equipment - Google Patents
Screw thread forming equipment Download PDFInfo
- Publication number
- CN111974918B CN111974918B CN202010709306.XA CN202010709306A CN111974918B CN 111974918 B CN111974918 B CN 111974918B CN 202010709306 A CN202010709306 A CN 202010709306A CN 111974918 B CN111974918 B CN 111974918B
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- gear
- rotating shaft
- belt
- frame
- screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/04—Making by means of profiled-rolls or die rolls
- B21H3/042—Thread-rolling heads
- B21H3/044—Thread-rolling heads working axially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
- B21H9/02—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass for screw-rolling machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to screw forming equipment, in particular to screw thread forming equipment. The invention aims to provide screw thread forming equipment without manually placing and taking out a screw. In order to solve the above technical problem, the present invention provides a screw thread forming apparatus, comprising: the end part of the frame is connected with a plurality of support legs; one side of the frame is connected with the support plate; the end parts of the support plates are connected with two supports; the bracket penetrates through the frame; the supporting column is connected with one side of the supporting plate; the driving assembly is arranged between the frame and the support plate; the working assembly is arranged on the frame. The driving assembly can drive the working assembly and the feeding assembly to work, the feeding assembly can intermittently convey the screw rods when working, the non-threaded screw rods are conveyed into the working assembly, and the working assembly can thread the screw rods in the working assembly when working.
Description
Technical Field
The invention relates to screw forming equipment, in particular to screw thread forming equipment.
Background
At present, the thread opening work of the screw is generally carried out manually, the screw which is not opened is placed between two thread cutting barrels manually, the screw is held, then the screw which is opened with threads is taken out from the position between the two thread cutting barrels, the process is repeated, workers need to repeatedly place and take out the screw, and therefore the workload of the workers is large; and the worker places the screw rod depending on the feeling, so that the position of the screw rod placed at each time is difficult to be ensured to be consistent, and the manufactured screw rod has errors.
Therefore, it is necessary to develop a screw thread forming apparatus that does not require manual placement and removal of screws.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defect that a screw needs to be manually and repeatedly placed and taken out when the screw is opened, and the technical problem to be solved by the invention is to provide screw thread forming equipment without manually placing and taking out the screw.
(2) Technical scheme
In order to solve the above technical problem, the present invention provides a screw thread forming apparatus, comprising: the end part of the frame is connected with a plurality of support legs; one side of the frame is connected with the support plate; the end parts of the support plates are connected with two supports; the bracket penetrates through the frame; the supporting column is connected with one side of the supporting plate; the driving assembly is arranged between the frame and the support plate; the frame is provided with a working assembly, and the driving assembly is in transmission connection with the working assembly.
Preferably, the drive assembly comprises: the servo motor is arranged on the other side of the frame; the servo motor is connected with the first rotating shaft; the strut is rotationally connected with a second rotating shaft; the first belt is connected between the second rotating shaft and the first rotating shaft; the first gear is connected to the first rotating shaft; one side of the support plate is rotatably connected with a fourth gear; a timing belt is connected between the fourth gear and the first gear; a third rotating shaft is connected between the inner side surfaces of one sides of the frames in a sliding way; the third gear is connected to the third rotating shaft and meshed with the timing belt; a fourth rotating shaft is connected between the inner side surfaces of the other sides of the frames in a sliding manner; and the fourth rotating shaft is connected with a second gear which is meshed with the timing belt.
Preferably, the working assembly comprises: one side of the third rotating shaft, which is close to the third gear, is connected with a first cutting barrel; one side of the fourth rotating shaft, which is close to the second gear, is connected with a second cutting barrel; the end parts of the first clamping column, the third rotating shaft and the fourth rotating shaft are connected with the first clamping column; the end part of the second rotating shaft is connected with the first incomplete gear; the fifth rotating shaft is rotatably connected to one side, close to the first incomplete gear, of the support; a fifth gear is connected to the fifth rotating shaft and meshed with the first incomplete gear; the end part of the fifth rotating shaft is connected with a disc; the eccentric position of the disc is connected with a second clamping column; the second clamping column is sleeved with the pull-down block, the pull-down block is connected to the support plate in a sliding mode, and the first clamping column is located in the pull-down block.
Preferably, still include the material loading subassembly, the material loading subassembly includes: the end part of the bracket at one side of the feed box is connected with the feed box; the bracket on one side is rotatably connected with a sixth rotating shaft; one side of the bracket at one side is rotatably connected with a first rotary disc, and the end part of the sixth rotary shaft is also connected with the first rotary disc; the bracket on the other side is rotatably connected with a seventh rotating shaft; one side of the bracket on the other side is rotatably connected with a second turntable, and the end part of the seventh rotating shaft is also connected with the second turntable; the second rotating disc is connected with the first rotating disc through a belt; the second incomplete gear is connected to the second rotating shaft; the sixth gear is rotatably connected to one side, close to the second incomplete gear, of the strut, and the sixth gear is meshed with the second incomplete gear; a seventh gear is rotatably connected to one side, close to the sixth gear, of the strut, and the seventh gear is meshed with the sixth gear; a second belt is connected between the seventh gear and the sixth rotating shaft; a third belt is connected between the sixth gear and the seventh rotating shaft; the clamping block is connected to the material box and located above the belt with the groove in one side.
Preferably, the method further comprises the following steps: the collecting groove is connected between the inner side surfaces of the two supporting legs and is located below the first rotating disc and the second rotating disc.
(3) Advantageous effects
The driving assembly can drive the working assembly and the feeding assembly to work, the feeding assembly can intermittently convey the screw rods, the non-threaded screw rods are conveyed into the working assembly, the working assembly can thread the screw rods in the working assembly, the feeding assembly works and then conveys the threaded screw rods out of the working assembly, and the threaded screw rods fall into the collecting tank; so need not artifical manual repeated placing and take out the screw rod to can reduce workman's work load, can make the screw rod place the position unanimous at every turn, can reduce the error.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of the driving assembly of the present invention.
Fig. 4 is a partial perspective view of the present invention.
FIG. 5 is an enlarged view of a portion A of the present invention.
Fig. 6 is a schematic perspective view of the feeding assembly of the present invention.
FIG. 7 is an enlarged view of part B of the present invention.
Fig. 8 is a partial perspective view of the working assembly of the present invention.
The labels in the figures are: 1-support leg, 2-frame, 3-support plate, 4-support, 5-support column, 6-drive assembly, 61-servo motor, 62-first rotating shaft, 63-first belt, 64-second rotating shaft, 65-first gear, 66-second gear, 67-third gear, 68-fourth gear, 69-timing belt, 610-third rotating shaft, 611-fourth rotating shaft, 7-working assembly, 71-first cutting barrel, 72-first clamping column, 73-pull-down block, 74-second cutting barrel, 75-first incomplete gear, 76-fifth gear, 77-fifth rotating shaft, 78-disc, 79-second clamping column, 8-feeding assembly, 81-bin, 82-first turntable, 83-grooved belt, 84-sixth rotating shaft, 85-seventh rotating shaft, 86-second rotating disc, 87-second incomplete gear, 88-sixth gear, 89-seventh gear, 810-second belt, 811-third belt, 812-fixture block, 9-collecting tank and 100-screw.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
The utility model provides a screw rod screw thread former, as shown in fig. 1-6 and fig. 8, including landing leg 1, frame 2, extension board 3, support 4, pillar 5, drive assembly 6 and working component 7, 2 bottoms of frame are connected with a plurality of landing legs 1, 2 trailing flank of frame is connected with extension board 3, 3 tops of extension board are connected with two supports 4, two 4 bilateral symmetry of support, frame 2 is run through to 4 front side bottoms of support, the trailing flank of extension board 3 is connected with pillar 5, install drive assembly 6 between frame 2 and the extension board 3, install working component 7 on the frame 2, drive assembly 6 is connected with 7 transmission of working component.
The driving assembly 6 comprises a servo motor 61, a first rotating shaft 62, a first belt 63, a second rotating shaft 64, a first gear 65, a second gear 66, a third gear 67, a fourth gear 68, a timing belt 69, a third rotating shaft 610 and a fourth rotating shaft 611, the servo motor 61 is installed at the left part of the frame 2, an output shaft of the servo motor 61 is connected with the first rotating shaft 62 through a coupler, the second rotating shaft 64 is rotatably connected at the upper part of the strut 5, the first belt 63 is connected between the second rotating shaft 64 and the first rotating shaft 62, the first gear 65 is connected on the first rotating shaft 62, the fourth gear 68 is rotatably connected at the right part of the strut 3, the timing belt 69 is connected between the fourth gear 68 and the first gear 65, the third rotating shaft 610 is slidably connected between the inner side surfaces at the right side of the frame 2, the third gear 67 is connected at the rear part of the third rotating shaft 610, the third gear 67 is meshed with the timing belt 69, a fourth rotating shaft 611 is slidably connected between the inner side surfaces of the left side of the frame 2, a second gear 66 is connected to the rear part of the fourth rotating shaft 611, and the second gear 66 is engaged with a timing belt 69.
The working assembly 7 comprises a first cutting barrel 71, a first clamping column 72, a pull-down block 73, a second cutting barrel 74, a first incomplete gear 75, a fifth gear 76, a fifth rotating shaft 77, a disc 78 and a second clamping column 79, wherein the first cutting barrel 71 is connected on a third rotating shaft 610 at the front side of a third gear 67, the second cutting barrel 74 is connected on a fourth rotating shaft 611 at the front side of a second gear 66, the first clamping column 72 is connected at the rear ends of the third rotating shaft 610 and the fourth rotating shaft 611, the first incomplete gear 75 is connected at the front end of a second rotating shaft 64, the fifth rotating shaft 77 is connected on a strut 5 at the left side of the first incomplete gear 75 in a rotating manner, the fifth rotating shaft 77 is connected with a fifth gear 76, the fifth gear 76 is meshed with the first incomplete gear 75, the disc 78 is connected at the front end of the fifth rotating shaft 77, the second clamping column 79 is connected at an eccentric position of the front side of the disc 78, the second clamping column 79 is sleeved with the pull-down block 73, the pull-down block 73 is slidably connected to the support plate 3, and the first locking post 72 is located in the pull-down block 73.
When the screw 100 is to be unscrewed, the servo motor 61 is manually started to rotate the first rotating shaft 62 clockwise, the first rotating shaft 62 rotates clockwise to drive the first gear 65 clockwise, the first gear 65 rotates clockwise the timing belt 69 clockwise, and the timing belt 69 rotates clockwise to drive the second gear 66 and the third gear 67 to rotate clockwise, so that the third rotating shaft 610 and the fourth rotating shaft 611 rotate clockwise, and the first cutting barrel 71 and the second cutting barrel 74 rotate clockwise. Subsequently, the screw 100 is placed between the first cutting barrel 71 and the second cutting barrel 74, the first rotating shaft 62 rotates the second rotating shaft 64 clockwise through the first belt 63, the second rotating shaft 64 rotates and intermittently rotates the fifth gear 76 through the first incomplete gear 75, the fifth gear 76 intermittently rotates and intermittently drives the fifth rotating shaft 77 to intermittently rotate, the fifth rotating shaft 77 intermittently rotates and intermittently drives the disc 78 to intermittently rotate, and the disc 78 intermittently rotates and intermittently enables the pull-down block 73 to intermittently reciprocate up and down through the second clamping column 79. The third rotating shaft 610 and the fourth rotating shaft 611 can be moved to a proper position by the upward movement of the pull-down block 73 through the first clamping column 72, so that the first cutting barrel 71 and the second cutting barrel 74 can be moved to a proper position, the first cutting barrel 71 and the second cutting barrel 74 are closely attached to the screw 100, and the first cutting barrel 71 and the second cutting barrel 74 are closely attached to the screw 100 and rotate clockwise, so that the screw 100 can be threaded. After the screw 100 is threaded, the pull-down block 73 moves downwards to reset, the first cutting barrel 71 and the second cutting barrel 74 can be separated from each other, the screw 100 is reset and loosened, then a worker can take out the threaded screw 100 and place another screw 100 again, the process is repeated, the thread opening work can be repeated, and the servo motor 61 is turned off after the thread opening work is completed.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 2, 6 and 7, the present invention further comprises a feeding assembly 8, wherein the feeding assembly 8 comprises a bin 81, a first rotary plate 82, a belt with groove 83, a sixth rotary shaft 84, a seventh rotary shaft 85, a second rotary plate 86, a second incomplete gear 87, a sixth gear 88, a seventh gear 89, a second belt 810, a third belt 811 and a block 812, the bin 81 is connected to the front side of the top of the right bracket 4, the sixth rotary shaft 84 is rotatably connected to the upper portion of the right bracket 4, the first rotary plate 82 is rotatably connected to the lower portion of the front side of the right bracket 4, the first rotary plate 82 is also connected to the front end of the sixth rotary shaft 84, the seventh rotary shaft 85 is rotatably connected to the upper portion of the left bracket 4, the second rotary plate 86 is rotatably connected to the lower portion of the front side of the left bracket 4, the second rotary plate 86 is also connected to the front end of the seventh rotary shaft 85, the belt with groove 83 is connected between the two second rotary plates 86, a belt 83 with grooves is also connected between the two first rotating disks 82, a second incomplete gear 87 is connected to the rear portion of the second rotating shaft 64, a sixth gear 88 is rotatably connected to the pillar 5 on the right side of the second incomplete gear 87, the sixth gear 88 is meshed with the second incomplete gear 87, a seventh gear 89 is rotatably connected to the pillar 5 on the lower side of the sixth gear 88, the seventh gear 89 is meshed with the sixth gear 88, a second belt 810 is connected between the seventh gear 89 and the sixth rotating shaft 84, a third belt 811 is connected between the sixth gear 88 and the seventh rotating shaft 85, a clamping block 812 is connected to the left side of the bottom of the bin 81, and the clamping block 812 is located above the belt 83 with grooves on the right side.
The worker may neatly place more unthreaded screws 100 into the bin 81, with the screws 100 then falling onto the right slotted belt 83. The second rotating shaft 64 rotates clockwise to drive the second incomplete gear 87 to rotate clockwise, the second incomplete gear 87 rotates clockwise to enable the sixth gear 88 to rotate intermittently anticlockwise, and the sixth gear 88 rotates intermittently anticlockwise to enable the seventh rotating shaft 85 to rotate intermittently anticlockwise through the third belt 811; the seventh rotating shaft 85 intermittently rotates counterclockwise to drive the second rotating disc 86 intermittently counterclockwise. The intermittent counterclockwise rotation of the sixth gear 88 causes the seventh gear 89 to intermittently rotate clockwise, the intermittent clockwise rotation of the seventh gear 89 causes the sixth rotating shaft 84 to intermittently rotate clockwise via the second belt 810, and the intermittent clockwise rotation of the sixth rotating shaft 84 causes the first rotating disk 82 to intermittently rotate clockwise. The first rotary disk 82 intermittently clockwise and the second rotary disk 86 intermittently counterclockwise can intermittently feed the screw 100 downward through the two grooved belts 83, and the fixture block 812 serves as a guide and can prevent the screw 100 from slipping off the right grooved belt 83. The screw 100 intermittently moves downward to be able to move between the first cutting barrel 71 and the second cutting barrel 74, and the screw 100 stops moving downward after moving between the first cutting barrel 71 and the second cutting barrel 74, so that the first cutting barrel 71 and the second cutting barrel 74 can open the screw 100; the screw 100 continues to move downward after being threaded, and can slide off the grooved belt 83. Place a collection frame in the below of grooved belt 83, open threaded screw 100 and then fall into and collect the frame in, so need not artifical manual repeated placing and take out screw 100 to can reduce workman's work load, can make the screw 100 position of placing unanimous at every turn, can reduce the error.
Example 3
On the basis of embodiment 2, as shown in fig. 1, the device further includes a collecting tank 9, the collecting tank 9 is connected between inner side surfaces of the two support legs 1 between the lower first rotating disk 82 and the lower second rotating disk 86, the collecting tank 9 is located below the lower first rotating disk 82 and the lower second rotating disk 86, and the collecting tank 9 is arranged in a manner of being low in front and high in back.
The threaded screw 100 falls into the collecting tank 9, and then slides into the collecting frame through the collecting tank 9, so that the threaded screw 100 can fall into the collecting frame in a centralized manner, and the threaded screw 100 is prevented from scattering everywhere.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that various changes, modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, and all are intended to be included within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (2)
1. A screw thread forming apparatus, comprising:
the device comprises a frame (2), wherein a plurality of supporting legs (1) are connected to the end part of the frame (2);
one side of the frame (2) is connected with the support plate (3);
the end parts of the support plates (3) are connected with the two brackets (4); the bracket (4) penetrates through the frame (2);
the supporting column (5) is connected with one side of the supporting plate (3);
the driving component (6) is arranged between the frame (2) and the support plate (3);
the frame (2) is provided with the working assembly (7), and the driving assembly (6) is in transmission connection with the working assembly (7);
the drive assembly (6) comprises:
the servo motor (61) is installed on the other side of the frame (2);
the servo motor (61) is connected with a first rotating shaft (62);
a second rotating shaft (64), and the strut (5) is rotationally connected with the second rotating shaft (64);
a first belt (63) is connected between the second rotating shaft (64) and the first rotating shaft (62);
the first gear (65) is connected to the first rotating shaft (62);
a fourth gear (68), wherein one side of the support plate (3) is rotatably connected with the fourth gear (68);
a timing belt (69), wherein the timing belt (69) is connected between the fourth gear (68) and the first gear (65);
a third rotating shaft (610), wherein the inner side surface of one side of the frame (2) is connected with the third rotating shaft (610) in a sliding way;
the third gear (67) is connected to the third rotating shaft (610), and the third gear (67) is meshed with the timing belt (69);
a fourth rotating shaft (611) is connected between the inner side surfaces of the other sides of the frames (2) in a sliding manner;
the fourth rotating shaft (611) is connected with a second gear (66), and the second gear (66) is meshed with the timing belt (69);
the working assembly (7) comprises:
the first cutting barrel (71) is connected to one side, close to the third gear (67), of the third rotating shaft (610);
the second cutting barrel (74) is connected to one side, close to the second gear (66), of the fourth rotating shaft (611);
the end parts of the first clamping column (72), the third rotating shaft (610) and the fourth rotating shaft (611) are connected with the first clamping column (72);
the end part of the second rotating shaft (64) is connected with the first incomplete gear (75);
a fifth rotating shaft (77), wherein one side of the strut (5) close to the first incomplete gear (75) is rotatably connected with the fifth rotating shaft (77);
a fifth gear (76), the fifth rotating shaft (77) is connected with the fifth gear (76), and the fifth gear (76) is meshed with the first incomplete gear (75);
the end part of the fifth rotating shaft (77) is connected with the disc (78);
the eccentric position of the disc (78) is connected with the second clamping column (79);
the second clamping column (79) is sleeved with the pull-down block (73), the pull-down block (73) is connected to the support plate (3) in a sliding manner, and the first clamping column (72) is positioned in the pull-down block (73);
still include material loading subassembly (8), material loading subassembly (8) include:
the end part of the bracket (4) at one side of the feed box (81) is connected with the feed box (81);
a sixth rotating shaft (84), wherein the bracket (4) on one side is rotatably connected with the sixth rotating shaft (84);
one side of the bracket (4) at one side is rotatably connected with the first turntable (82), and the end part of the sixth rotating shaft (84) is also connected with the first turntable (82);
a seventh rotating shaft (85), and the other side bracket (4) is rotatably connected with the seventh rotating shaft (85);
one side of the bracket (4) at the other side is rotatably connected with a second turntable (86), and the end part of the seventh rotating shaft (85) is also connected with the second turntable (86);
the belt with grooves (83) are connected between the second turntables (86), and the belt with grooves (83) are connected between the first turntables (82);
a second incomplete gear (87), wherein the second incomplete gear (87) is connected to the second rotating shaft (64);
a sixth gear (88), wherein the sixth gear (88) is rotatably connected to one side of the strut (5) close to the second incomplete gear (87), and the sixth gear (88) is meshed with the second incomplete gear (87);
a seventh gear (89) is rotatably connected to one side, close to the sixth gear (88), of the strut (5), and the seventh gear (89) is meshed with the sixth gear (88);
a second belt (810), wherein the second belt (810) is connected between the seventh gear (89) and the sixth rotating shaft (84);
a third belt (811), wherein the third belt (811) is connected between the sixth gear (88) and the seventh rotating shaft (85);
the clamping block (812) is connected to the feed box (81), and the clamping block (812) is located above the belt (83) with the groove on one side.
2. A screw flight forming apparatus as claimed in claim 1, further comprising:
the collecting tank (9) is connected between the inner side faces of the two support legs (1), and the collecting tank (9) is located below the first rotating disc (82) and the second rotating disc (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709306.XA CN111974918B (en) | 2020-07-22 | 2020-07-22 | Screw thread forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010709306.XA CN111974918B (en) | 2020-07-22 | 2020-07-22 | Screw thread forming equipment |
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| Publication Number | Publication Date |
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| CN111974918A CN111974918A (en) | 2020-11-24 |
| CN111974918B true CN111974918B (en) | 2022-07-26 |
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| CN202010709306.XA Active CN111974918B (en) | 2020-07-22 | 2020-07-22 | Screw thread forming equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112894025B (en) * | 2021-01-12 | 2023-08-04 | 广东广塑机械科技有限公司 | Screw hobbing equipment for high-end equipment production |
| CN115318996B (en) * | 2022-10-13 | 2023-01-17 | 江苏雅固标准件有限公司 | Rolling device for fastening bolt machining |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104668412B (en) * | 2015-01-19 | 2017-04-12 | 温州中特标准件有限公司 | Thread rolling machine |
| CN204912636U (en) * | 2015-09-15 | 2015-12-30 | 宁波艾德轴业有限公司 | Automatic tapping device of axle type part |
| CN206455125U (en) * | 2017-01-16 | 2017-09-01 | 上海宝山大陆汽车配件有限公司 | Screw-rolling machine automatic charging drawing mechanism |
| CN207494479U (en) * | 2017-10-18 | 2018-06-15 | 泉州市永进机械配件有限公司 | A kind of rolling tooth machine |
| CN209288035U (en) * | 2018-12-26 | 2019-08-23 | 杨官义 | A kind of semi-automatic beading machine |
| CN209889932U (en) * | 2019-04-27 | 2020-01-03 | 深圳市奥科斯特智能装备股份有限公司 | Novel cam compress tightly device |
| CN210098845U (en) * | 2019-06-11 | 2020-02-21 | 天津市路通兴科技发展有限公司 | Feeding device for thread rolling machine |
| CN210523702U (en) * | 2019-07-24 | 2020-05-15 | 南京溧水白马五金线路器材有限公司 | Automatic thread rolling machine |
| CN110479932B (en) * | 2019-07-30 | 2020-08-14 | 海盐铭宏精工科技有限公司 | Automatic thread rolling machine |
| CN110586818A (en) * | 2019-09-25 | 2019-12-20 | 浙江君悦标准件有限公司 | Screw rod thread rolling machine |
| CN112475162A (en) * | 2019-10-23 | 2021-03-12 | 丽水市莲都区贝亿乐信息技术服务有限责任公司 | Full-automatic processing device for external threads of pipe joint |
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Effective date of registration: 20220707 Address after: 210000 No.9 Zhiyong Road, Lukou street, Jiangning District, Nanjing, Jiangsu Province (Jiangning Development Zone) Applicant after: NANJING LESUN SCREW CO.,LTD. Address before: 511300 room 105, No. 13, Baishi Road, Baishi Village, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province Applicant before: Huang Delong |
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