CN110153474B - Scraper rotary grinding device of hot melt adhesive coating machine for coating - Google Patents
Scraper rotary grinding device of hot melt adhesive coating machine for coating Download PDFInfo
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- CN110153474B CN110153474B CN201810159155.8A CN201810159155A CN110153474B CN 110153474 B CN110153474 B CN 110153474B CN 201810159155 A CN201810159155 A CN 201810159155A CN 110153474 B CN110153474 B CN 110153474B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/04—Milling machines not designed for particular work or special operations with a plurality of horizontal working-spindles
- B23C1/045—Opposed - spindle machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
Abstract
The invention discloses a scraper rotary grinding device of a hot melt adhesive coating machine for coating, which comprises a base, wherein the rear part of the base is provided with a positioning seat, the front part of the positioning seat is provided with a guide seat, the side part of the guide seat is provided with a fixed cylinder, the outer end of the fixed cylinder is provided with a stepping motor, the front part of the stepping motor is provided with a rotating shaft, the rotating shaft penetrates through the guide seat and the positioning seat, the rotating shaft penetrates through the axial position of the fixed cylinder, one end of the rotating shaft is connected with the front part of the stepping motor, the other end of the; the base is provided with a movable seat, the tapping penetrates through the bottom of the movable seat, one side of the base is provided with a guide rail, and the movable seat is arranged on the guide rail; a driving motor is arranged on one side of the moving seat, a driving shaft of the driving motor is sleeved with a rotating cylinder, and the front part of the rotating cylinder is provided with an end mill; the front portion of base is equipped with the drain pan, is equipped with spacing shell on the drain pan, and first end mill and second end mill install in the place ahead of spacing shell. The invention greatly improves the polishing treatment of the scraper.
Description
Technical Field
The invention relates to a rotary grinding device, in particular to a scraper rotary grinding device of a hot melt adhesive coating machine for coating.
Background
The coating scraper is a special mechanical blade which is long in strip shape, has a certain radian at the edge, and is used on a coating machine to coat a layer of glue, paint or ink with a specific function on materials such as paper, cloth, leather, aluminum foil, plastic film and the like. The coating scraper is widely applied to various packaging fields and has wide development prospect. The coating scraper is mainly used for the compound processing of gluing and coating of materials such as plastic films, paper, cloth, leather and the like, and the coating equipment is roughly divided into: hot melt adhesive spray coating, smooth roll sizing coating, anilox roll sizing coating and the like. When the solvent type and water type adhesives are cured, an oven is needed, a larger workshop space is occupied, and the energy consumption of a factory is increased; more wastewater and sludge will be produced; the production operation requirements are stricter; the disadvantage of solvent glues is obvious, namely very environmentally unfriendly; the pollution of the solvent type glue to the environment is serious, and the application of the solvent type glue is reduced at a certain speed every year along with the improvement of the environmental consciousness of people and the establishment and the perfection of related laws. The water-based adhesives have the disadvantages of poor water resistance, poor electrical characteristics, long drying time, high energy consumption, etc., and their use is declining at a certain rate every year. The hot melt adhesive has the advantages of stable performance, high utilization rate of raw materials, high production speed, high yield, small occupied area of equipment, small investment and the like, and has the tendency of gradually replacing solvent type adhesives. The scraper of current hot melt adhesive coating machine is inconvenient to be installed, grinds the operating efficiency low soon to the scraper.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotary grinding device for a scraper of a hot melt adhesive coating machine for coating, which can install the scraper of the hot melt adhesive coating machine to be treated on the front surface of a limiting shell, can control an end mill to rotate through a rotating cylinder by a driving motor, can carry out rotary grinding treatment on the scraper through the end mill, and greatly improves the grinding treatment efficiency of the scraper.
The invention is realized by the following technical scheme:
the scraper rotary grinding device of the hot melt adhesive coating machine for coating comprises a base, wherein a positioning seat is arranged at the rear part of the base, a guide seat is arranged in front of the positioning seat, a fixed cylinder is arranged at the side part of the guide seat, a stepping motor is arranged at the outer end of the fixed cylinder, a rotating shaft is arranged at the front part of the stepping motor, the rotating shaft penetrates through the guide seat and the positioning seat, the rotating shaft penetrates through the axial position of the fixed cylinder, one end of the rotating shaft is connected with the front part of the stepping motor, a tapping is arranged at the other end; the base is provided with a movable seat, the tapping penetrates through the bottom of the movable seat, one side of the base is provided with a first guide rail, the other side of the base is provided with a second guide rail, and the movable seat is installed on the first guide rail and the second guide rail; a first driving motor is arranged on one side of the moving seat, a first rotating cylinder is sleeved on a driving shaft of the first driving motor, and a first end mill is arranged at the front part of the first rotating cylinder; a second driving motor is arranged on the other side of the moving seat, a second rotating cylinder is sleeved on a driving shaft of the second driving motor, and a second end mill is arranged at the front part of the second rotating cylinder; the front portion of base is equipped with the drain pan, is equipped with spacing shell on the drain pan, and first end mill and second end mill install in the place ahead of spacing shell.
Furthermore, a first protective shell and a first protective seat are arranged on one side of the moving seat, the first protective shell is arranged at the front part of the first protective seat, a first driving motor is arranged at the top part of the first protective shell, a first rotating cylinder penetrates through the first protective seat, a first driven wheel is arranged at the inner end of the first rotating cylinder, a first driving wheel is sleeved on a driving shaft of the first driving motor, the first driving wheel is arranged at the inner top part of the first protective shell, the first driven wheel is arranged at the inner bottom part of the first protective shell, and the first driving wheel is connected with the first driven wheel through a first belt; the other side of the moving seat is provided with a second protective shell and a second protective seat, the second protective shell is arranged on the front portion of the second protective seat, the second driving motor is arranged at the top of the second protective shell, the second rotary cylinder penetrates through the second protective seat, the inner end of the second rotary cylinder is provided with a second driven wheel, the driving shaft sleeve of the second driving motor is provided with a second driving wheel, the second driving wheel is arranged at the inner top of the second protective shell, the second driven wheel is arranged at the inner bottom of the second protective shell, and the second driving wheel and the second driven wheel are connected through a second belt.
Furthermore, a first protection sheet is arranged between one side of the positioning seat and one side of the rear part of the base, and a second protection sheet is arranged between the other side of the positioning seat and the other side of the rear part of the base.
Furthermore, a positioning seat is arranged between the fixed cylinder and the side part of the guide seat.
Furthermore, reinforcing blocks are arranged between the two sides of the limiting shell and the bottom shell.
Furthermore, the upper portion of the first rotary cylinder is provided with a first guide groove, the first guide groove is inserted with a first lock rod, and the lower end of the first lock rod is locked and connected to the upper side of the root of the first end mill.
Furthermore, a second guide groove is formed in the upper portion of the second rotating cylinder, a second lock rod is inserted into the second guide groove, and the lower end of the second lock rod is locked and connected to the upper side of the root of the second end mill.
Furthermore, the upper part of the stepping motor is provided with a convex box.
The invention has the beneficial effects that: an author can install a scraper of a hot melt adhesive coating machine to be processed on the front surface of a limiting shell, a stepping motor can control a rotating shaft to rotate, the rotation of the rotating shaft can control tapping to rotate, the tapping can be rotated to drive a moving seat to be realized along the tapping, the moving seat can realize sliding adjustment along a first guide rail and a second guide rail, a first driving motor and a second driving motor can be conveniently controlled by the moving seat to move, an operator can install the scraper of the hot melt adhesive coating machine to be processed on the front surface of the limiting shell, the first driving motor can control a first end mill to rotate through a first rotating cylinder, the scraper can be rotationally polished through the first end mill, the second driving motor can control a second end mill to rotate through a second rotating cylinder, and the scraper can be rotationally polished through the second end mill, thereby greatly improving the efficiency of polishing the scraper.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic structural view of a doctor blade rotary grinding device of a hot melt adhesive coating machine for coating according to the present invention.
Fig. 2 is a schematic structural diagram of the first positioning mechanism according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1 and 2, the rotary scraper grinding device of the hot melt adhesive coating machine for coating comprises a base 11, wherein a positioning seat 12 is arranged at the rear part of the base 11, a guide seat 15 is arranged in front of the positioning seat 12, a fixed cylinder 16 is arranged at the side part of the guide seat 15, a stepping motor 18 is arranged at the outer end of the fixed cylinder 16, a rotating shaft 20 is arranged at the front part of the stepping motor 18, the rotating shaft 20 penetrates through the guide seat 15 and the positioning seat 12, the rotating shaft 20 penetrates through the axial position of the fixed cylinder 16, one end of the rotating shaft 20 is connected with the front part of the stepping motor 18, a tapping 21 is arranged at the other end of the; a moving seat 22 is arranged on the base 11, the tapping 21 penetrates through the bottom of the moving seat 22, a first guide rail 23 is arranged on one side of the base 11, a second guide rail 24 is arranged on the other side of the base 11, and the moving seat 22 is arranged on the first guide rail 23 and the second guide rail 24; a first driving motor 27 is arranged on one side of the moving seat 22, a first rotating cylinder 25 is sleeved on a driving shaft of the first driving motor 27, and a first end mill 26 is arranged at the front part of the first rotating cylinder 25; a second driving motor 34 is arranged on the other side of the moving seat 22, a second rotating cylinder 32 is sleeved on a driving shaft of the second driving motor 34, and a second end mill 33 is arranged at the front part of the second rotating cylinder 32; a bottom shell 37 is arranged at the front part of the base 11, a limiting shell 38 is arranged on the bottom shell 37, and the first end mill 26 and the second end mill 33 are arranged in front of the limiting shell 38; a first protective shell 28 and a first protective seat 29 are arranged on one side of the movable seat 22, the first protective shell 28 is arranged in the front of the first protective seat 29, a first driving motor 27 is arranged at the top of the first protective shell 28, the first rotary cylinder 25 penetrates through the first protective seat 29, a first driven wheel is arranged at the inner end of the first rotary cylinder 25, a first driving wheel is sleeved on a driving shaft of the first driving motor 27, the first driving wheel is arranged at the inner top of the first protective shell 28, the first driven wheel is arranged at the inner bottom of the first protective shell 28, and the first driving wheel is connected with the first driven wheel through a first belt; a second protective shell 35 and a second protective seat 36 are arranged on the other side of the movable seat 22, the second protective shell 35 is arranged in the front of the second protective seat 36, a second driving motor 34 is arranged at the top of the second protective shell 35, the second rotary cylinder 32 penetrates through the second protective seat 36, a second driven wheel is arranged at the inner end of the second rotary cylinder 32, a second driving wheel is sleeved on a driving shaft of the second driving motor 34, the second driving wheel is arranged at the inner top of the second protective shell 35, the second driven wheel is arranged at the inner bottom of the second protective shell 35, and the second driving wheel and the second driven wheel are connected through a second belt; a first protection sheet 13 is arranged between one side of the positioning seat 12 and one side of the rear part of the base 11, and a second protection sheet 14 is arranged between the other side of the positioning seat 12 and the other side of the rear part of the base 11; a positioning seat 17 is arranged between the fixed cylinder 16 and the side part of the guide seat 15; reinforcing blocks 39 are arranged between the limiting shell 38 and the two sides of the bottom shell 37; a first guide groove 30 is formed in the upper portion of the first rotary cylinder 25, a first lock rod 31 is inserted into the first guide groove 30, and the lower end of the first lock rod 31 is locked to the upper side of the root of the first end mill 26; a second guide groove 49 is formed in the upper portion of the second rotary cylinder 32, a second lock rod 50 is inserted into the second guide groove 49, and the lower end of the second lock rod 50 is locked to the upper side of the root of the second end mill 33; the upper part of the stepping motor 18 is provided with a convex box 19.
The invention relates to a rotary grinding device for a scraper of a hot melt adhesive coating machine for coating, wherein an operator can install the scraper of the hot melt adhesive coating machine to be processed on the front surface of a limit shell 38, a stepping motor 18 can control a rotating shaft 20 to rotate, the rotating shaft 20 can control a tapping 21 to rotate, the tapping 21 can drive a moving seat 22 to rotate along the tapping 21, the moving seat 22 can realize sliding adjustment along a first guide rail 23 and a second guide rail 24, a first driving motor 27 and a second driving motor 34 can be conveniently controlled by the moving seat 22, the operator can install the scraper of the hot melt adhesive coating machine to be processed on the front surface of the limit shell 38, the first driving motor 27 can control a first end mill 26 to rotate through a first rotary barrel 25, the scraper can be rotationally ground through the first end mill 26, the second driving motor 34 can control a second end mill 33 to rotate through a second rotary barrel 32, the scraper can be subjected to rotary polishing treatment by the second end mill 33, so that the efficiency of polishing treatment of the scraper is greatly improved.
A first protective shell 28 and a first protective seat 29 are arranged on one side of the movable seat 22, the first protective shell 28 is arranged in the front of the first protective seat 29, a first driving motor 27 is arranged at the top of the first protective shell 28, the first rotary drum 25 penetrates through the first protective seat 29, a first driven wheel is arranged at the inner end of the first rotary drum 25, a first driving wheel is sleeved on a driving shaft of the first driving motor 27, the first driving wheel is arranged at the inner top of the first protective shell 28, the first driven wheel is arranged at the inner bottom of the first protective shell 28, and the first driving wheel is connected with the first driven wheel through a first belt; a second protective shell 35 and a second protective seat 36 are arranged on the other side of the movable seat 22, the second protective shell 35 is arranged in the front of the second protective seat 36, a second driving motor 34 is arranged at the top of the second protective shell 35, the second rotary cylinder 32 penetrates through the second protective seat 36, a second driven wheel is arranged at the inner end of the second rotary cylinder 32, a second driving wheel is sleeved on a driving shaft of the second driving motor 34, the second driving wheel is arranged at the inner top of the second protective shell 35, the second driven wheel is arranged at the inner bottom of the second protective shell 35, and the second driving wheel and the second driven wheel are connected through a second belt; it is possible to make the first rotary cylinder 25 driven by the first driving motor 27 more stable and to make the second rotary cylinder 32 driven by the second driving motor 34 more stable.
Wherein, one side of the front surface of the limit shell 38 is provided with a first positioning mechanism 40, the other side of the front surface of the limit shell 38 is provided with a second positioning mechanism 41, and the first end mill 26 is arranged in front of the first positioning mechanism 40; the second end mill 33 is mounted in front of the second positioning mechanism 41; the first positioning mechanism 40 and the second positioning mechanism 41 are the same in shape and size, the first positioning mechanism 40 comprises a positioning shell 42 and a first fixing block 43, a positioning block 44 is arranged on the inner side of the first fixing block 43, a positioning hole 45 is arranged at the axial position of the positioning block 44, a second fixing block 48 is arranged on the inner side of the positioning shell 42, a positioning cylinder 46 is arranged between the second fixing block 48 and the positioning block 44, and a positioning groove 47 is arranged at the axial position of the positioning cylinder 46; the positioning block 44 can position and mount the blades of the hot melt adhesive coater through the positioning holes 45 and the positioning cylinders 46 through the positioning slots 47, which facilitates the polishing process of the blades of the hot melt adhesive coater by the first end mill 26 and the second end mill 33.
Wherein, a first protection sheet 13 is arranged between one side of the positioning seat 12 and one side of the rear part of the base 11, and a second protection sheet 14 is arranged between the other side of the positioning seat 12 and the other side of the rear part of the base 11; both sides of the positioning seat 12 are protected by the first protection sheet 13 and the second protection sheet 14.
Wherein, a positioning seat 17 is arranged between the fixed cylinder 16 and the side part of the guide seat 15; the positioning and installation are firmer.
Wherein, a reinforcing block 39 is arranged between the two sides of the limiting shell 38 and the bottom shell 37; the both sides of the stopper case 38 and the bottom case 37 can be more firmly mounted.
Wherein, the upper part of the first rotary cylinder 25 is provided with a first guide groove 30, the first guide groove 30 is inserted with a first lock rod 31, the lower end of the first lock rod 31 is locked and connected on the upper side of the root of the first end mill 26; a second guide groove 49 is formed in the upper portion of the second rotary cylinder 32, a second lock rod 50 is inserted into the second guide groove 49, and the lower end of the second lock rod 50 is locked to the upper side of the root of the second end mill 33; a secure locking of the first end mill 26 to the second end mill 33 is facilitated.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (3)
1. The scraper of hot melt adhesive coating machine grinds device soon for the application, including base (11), its characterized in that: the rear part of the base (11) is provided with a positioning seat (12), a guide seat (15) is arranged in front of the positioning seat (12), a fixed cylinder (16) is arranged at the side part of the guide seat (15), the outer end of the fixed cylinder (16) is provided with a stepping motor (18), the front part of the stepping motor (18) is provided with a rotating shaft (20), the rotating shaft (20) penetrates through the guide seat (15) and the positioning seat (12), the rotating shaft (20) penetrates through the axial position of the fixed cylinder (16), one end of the rotating shaft (20) is connected with the front part of the stepping motor (18), the other end of the rotating shaft (20) is provided with a tapping (21), and the tapping (21) is installed on; a moving seat (22) is arranged on the base (11), the tapping (21) penetrates through the bottom of the moving seat (22), a first guide rail (23) is arranged on one side of the base (11), a second guide rail (24) is arranged on the other side of the base (11), and the moving seat (22) is installed on the first guide rail (23) and the second guide rail (24); a first driving motor (27) is arranged on one side of the moving seat (22), a first rotating cylinder (25) is sleeved on a driving shaft of the first driving motor (27), and a first end mill (26) is arranged at the front part of the first rotating cylinder (25); a second driving motor (34) is arranged on the other side of the moving seat (22), a second rotating cylinder (32) is sleeved on a driving shaft of the second driving motor (34), and a second end mill (33) is arranged at the front part of the second rotating cylinder (32); a bottom shell (37) is arranged at the front part of the base (11), a limiting shell (38) is arranged on the bottom shell (37), and the first end mill (26) and the second end mill (33) are arranged in front of the limiting shell (38);
a first protective shell (28) and a first protective seat (29) are arranged on one side of the movable seat (22), the first protective shell (28) is installed in the front of the first protective seat (29), a first driving motor (27) is installed at the top of the first protective shell (28), a first rotating cylinder (25) penetrates through the first protective seat (29), a first driven wheel is arranged at the inner end of the first rotating cylinder (25), a first driving wheel is sleeved on a driving shaft of the first driving motor (27), the first driving wheel is installed at the inner top of the first protective shell (28), the first driven wheel is installed at the inner bottom of the first protective shell (28), and the first driving wheel is connected with the first driven wheel through a first belt; a second protective shell (35) and a second protective seat (36) are arranged on the other side of the movable seat (22), the second protective shell (35) is installed in the front of the second protective seat (36), a second driving motor (34) is installed at the top of the second protective shell (35), a second rotating cylinder (32) penetrates through the second protective seat (36), a second driven wheel is arranged at the inner end of the second rotating cylinder (32), a second driving wheel is sleeved on a driving shaft of the second driving motor (34), the second driving wheel is installed at the inner top of the second protective shell (35), the second driven wheel is installed at the inner bottom of the second protective shell (35), and the second driving wheel and the second driven wheel are connected through a second belt;
a first protection sheet (13) is arranged between one side of the positioning seat (12) and one side of the rear part of the base (11), and a second protection sheet (14) is arranged between the other side of the positioning seat (12) and the other side of the rear part of the base (11);
a first guide groove (30) is formed in the upper portion of the first rotating cylinder (25), a first lock rod (31) is inserted into the first guide groove (30), and the lower end of the first lock rod (31) is locked and connected to the upper side of the root of the first end mill (26); a second guide groove (49) is formed in the upper portion of the second rotating cylinder (32), a second locking rod (50) is inserted into the second guide groove (49), and the lower end of the second locking rod (50) is locked and connected to the upper side of the root of the second end mill (33);
one side of the front surface of the limiting shell (38) is provided with a first positioning mechanism (40), the other side of the front surface of the limiting shell (38) is provided with a second positioning mechanism (41), and the first end mill (26) is arranged in front of the first positioning mechanism (40); the second end mill (33) is arranged in front of the second positioning mechanism (41); the shape and size of the first positioning mechanism (40) and the second positioning mechanism (41) are the same, the first positioning mechanism (40) comprises a positioning shell (42) and a first fixing block (43), a positioning block (44) is arranged on the inner side of the first fixing block (43), a positioning hole (45) is arranged at the axial position of the positioning block (44), a second fixing block (48) is arranged on the inner side of the positioning shell (42), a positioning cylinder (46) is arranged between the second fixing block (48) and the positioning block (44), and a positioning groove (47) is arranged at the axial position of the positioning cylinder (46).
2. The doctor blade rotational grinding device of a hot melt adhesive coater for coating according to claim 1, characterized in that: reinforcing blocks (39) are arranged between the two sides of the limiting shell (38) and the bottom shell (37).
3. The doctor blade rotational grinding device of a hot melt adhesive coater for coating according to claim 1, characterized in that: the upper part of the stepping motor (18) is provided with a convex box (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159155.8A CN110153474B (en) | 2018-02-26 | 2018-02-26 | Scraper rotary grinding device of hot melt adhesive coating machine for coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159155.8A CN110153474B (en) | 2018-02-26 | 2018-02-26 | Scraper rotary grinding device of hot melt adhesive coating machine for coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110153474A CN110153474A (en) | 2019-08-23 |
| CN110153474B true CN110153474B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810159155.8A Active CN110153474B (en) | 2018-02-26 | 2018-02-26 | Scraper rotary grinding device of hot melt adhesive coating machine for coating |
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| CN (1) | CN110153474B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007043977A1 (en) * | 2007-09-14 | 2009-03-19 | Licon Mt Gmbh & Co. Kg | machine tool |
| CN201427198Y (en) * | 2009-06-15 | 2010-03-24 | 葛小平 | Novel power head part |
| CN202462148U (en) * | 2012-03-16 | 2012-10-03 | 天津泰通机械加工有限公司 | Polishing device for polishing inner side edge of brake bracket |
| CN102658400B (en) * | 2012-06-07 | 2015-04-22 | 天津第一机床总厂 | Digital control gear milling machine of spiral bevel gear |
| CN204171799U (en) * | 2014-10-22 | 2015-02-25 | 北京奥博汽车电子电器有限公司 | A kind of twin tip drill attacks machining tool |
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| CN110153474A (en) | 2019-08-23 |
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Effective date of registration: 20210218 Address after: No.16, Dongshi Road, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Applicant after: HUNAN HEXIANG PACKAGING Co.,Ltd. Address before: No. 10, middle Sishui Road, Sixi Town, Taishun County, Wenzhou City, Zhejiang Province Applicant before: Yan Hongfei |
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