CN209774375U - Notebook shell finish machining device - Google Patents
Notebook shell finish machining device Download PDFInfo
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- CN209774375U CN209774375U CN201821879541.6U CN201821879541U CN209774375U CN 209774375 U CN209774375 U CN 209774375U CN 201821879541 U CN201821879541 U CN 201821879541U CN 209774375 U CN209774375 U CN 209774375U
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Abstract
the utility model discloses a notebook shell finish machining device, including shell body, interior casing, core and rotating head, interior casing is located the shell body, the core is rotatable to be set up in the inner casing, rotating head and core erection joint, the inner wall and the outer wall of interior casing are the face of cylinder, the central axis on the face of cylinder of interior casing outer wall is parallel and do not coincide with the central axis on the face of cylinder of interior casing inner wall, it has a plurality of air intakes to open on the ring channel inner wall in the first cavity, it has a plurality of air outlets to open on the ring channel inner wall in the second cavity, the air inlet link up with first cavity, the air outlet link up with the second cavity, one side that the portion of. The utility model discloses the gas outlet is greater than the setting of air inlet and gas storage tank, can further form stable pressure differential in that the casing is inside, and the reinforcing has further guaranteed rotating head pivoted dynamics and stability to the drive power of core and the stability of driving power.
Description
Technical Field
the utility model relates to a notebook shell finish machining device belongs to electron product precision processing technology field.
Background
At present, most appearance structural parts/accessories of mobile phones and notebook computers in the market are made of metal materials, the metal materials are mainly formed in the modes of aluminum extrusion, die casting, forging and pressing and the like, and in any forming mode, a CNC (computer numerical control) machining center is required to process the formed metal materials. In the polishing process, the polishing head is very seriously consumed and needs to be frequently replaced, so that the production efficiency is reduced, and the processing cost is increased.
SUMMERY OF THE UTILITY MODEL
the utility model aims at providing a notebook shell finish machining device, this notebook shell finish machining device gas outlet are greater than the setting of air inlet and gas storage tank, can further form stable pressure differential in the casing is inside, and the reinforcing has further guaranteed rotating head pivoted dynamics and stability to the drive power of core and the stability of drive power.
in order to achieve the above purpose, the utility model adopts the technical scheme that: a fine machining device for a notebook computer shell comprises an outer shell, an inner shell, a core body and a rotating head, wherein the inner shell is positioned in the outer shell, the core body is rotatably arranged in the inner shell, and the rotating head is connected with the core body in an installing mode;
The inner wall and the outer wall of the inner shell are both cylindrical surfaces, the central axis of the cylindrical surface of the outer wall of the inner shell is parallel to and does not coincide with the central axis of the cylindrical surface of the inner wall of the inner shell, so that the wall thickness of the inner shell is gradually increased in a semicircular direction, the outer wall of the inner shell is provided with two annular grooves which are arranged in parallel, a first bulge, a second bulge and a third bulge which are parallel are formed on the outer wall of the inner shell, the outer wall of the inner shell is tightly matched and connected with the inner wall of the outer shell, so that a first cavity and a second cavity are formed between the outer shell and the two annular grooves of the inner shell, the inner wall of the annular groove in the first cavity is provided with a plurality;
The central axis of the core body is coincided with the central axis of the cylindrical surface of the outer wall of the inner shell, the core body comprises an upper shaft part, a driving part and a lower shaft part, the core body is rotatably arranged in the outer shell through an upper bearing seat and a lower bearing seat, the lower surface of the upper bearing seat is in contact connection with the top surface of the inner shell, the lower bearing seat is arranged in the outer shell and positioned below the inner shell, a plurality of blade grooves are circumferentially arranged on the core body at equal intervals, driving blades are embedded in the blade grooves respectively, an air inlet and an air outlet are arranged on the outer shell, the air inlet is communicated with the first cavity, and the;
the lower bearing block further comprises a block body part and a lower bearing embedded in the block body part, wherein an annular groove is formed in the inner wall of the block body part, an annular blocking piece is embedded in the annular groove, and the annular blocking piece is positioned below the lower bearing and is in contact connection with the lower bearing;
Still have one and install the trachea mount pad on the shell body, this trachea mount pad includes the portion of giving vent to anger and admit air the portion, the portion of giving vent to anger has a lug near one side of shell body, and it has a gas storage tank that link up with the gas outlet to open on this lug, be connected with an intake pipe that link up with the air inlet on the portion of admitting air, the gas outlet is greater than the air inlet, it is connected with two at least outlet ducts that link up with the gas storage tank to give vent to anger in the portion.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the first protruding portion, the second protruding portion, and the third protruding portion are disposed at equal intervals.
2. in the above scheme, the upper opening of the outer shell is provided with internal threads, and the connecting part of the top cover is embedded into the outer shell and is in threaded connection with the outer shell.
3. In the above scheme, a sealing ring is arranged between the top cover and the outer shell.
4. In the above scheme, the air inlet is a circular through hole, and the air outlet is a strip-shaped through hole.
5. In the above solution, the outer wall of the outer casing has a second flange portion, the second flange portion has the air inlet, and the outer casing below the second flange portion has the air outlet.
6. In the above aspect, the upper surface of the bump is in contact with the lower surface of the second flange portion.
7. In the above scheme, the air pipe mounting seat is connected with the second flange part through a plurality of limiting pins and screws.
8. in the above scheme, a sealing ring is arranged at the joint of the air inlet part and the air inlet.
9. in the above scheme, the air inlet pipe is also internally provided with an oil nozzle mechanism.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. The utility model discloses notebook shell finish machining device, the combination setting of its inner casing body and core, the structure is ingenious, and gas gets into the inner casing through first cavity, blows driving vane, and driving vane drives the core and rotates, passes through the second cavity and discharges, and the rotation of core drives the rotating head rotation, realizes automatic polishing, simple structure, convenient to use; in addition, its bottom suspension seat further includes the pedestal portion and inlays the bottom bearing in the pedestal portion, an annular groove has on the inner wall of pedestal portion, the embedding has an annular separation blade in this annular groove, this annular separation blade is located the bottom bearing below and is connected with the bottom bearing contact, adopt the separation blade to pack the pedestal portion of bearing frame into with the bearing, the dismouting to the bearing is convenient, when the bearing loss needs to be changed, only need follow the below of grinding head tear open the bearing can, need not to separate the inside and outside casing of its top, avoid between the inside and outside casing because many times unpack apart and the unable inseparable complex condition completely, the inside sealed effect of casing has been guaranteed, further guarantee to rotary head driven stability.
2. The utility model discloses notebook shell finish machining device, it still has an trachea mount pad of installing on the shell body, and this trachea mount pad includes air inlet portion and air outlet portion, one side that air outlet portion is close to the shell body has a lug, and it has a gas storage tank that link up with the gas outlet to open on this lug, be connected with an intake pipe that links up with the air inlet on the air inlet portion, the gas outlet is greater than the air inlet, be connected with two at least outlet ducts that link up with the gas storage tank on the air outlet portion, the gas outlet is greater than the setting of air inlet and gas storage tank, can further form stable pressure differential in the casing inside, strengthens the drive power and the stability of drive power to the core, has further guaranteed rotating dynamics and stability of rotating head; in addition, its trachea mount pad and tracheal setting can be in airtight state for air inlet and gas outlet on the shell body, completely isolated the liquid that uses in the process of polishing and got into in the casing from air inlet or gas outlet, avoided the part in the casing to take place to rust and need to change or the condemned condition of grinding head, both prolonged the life of grinding head, practiced thrift the cost, saved the time that the part was changed again, improved production efficiency.
3. The utility model discloses notebook shell finish machining device, its shell upper shed department has the internal thread, the connecting portion embedding shell body and with shell body threaded connection of a top cap, the setting of top cap, simple structure, the convenient dismouting to the subassembly, the internal structure such as protection core simultaneously is not influenced by outside dust, prolongs the life of subassembly; in addition, a sealing ring is arranged between the top cover and the outer shell, and the arrangement of the sealing ring further isolates the core from the external environment, thereby preventing the influence of external dust and water vapor in the air and prolonging the service life of the component; in addition, the upper surface of the lug is in contact connection with the lower surface of the second flange part, and the second flange part is arranged to be matched with the shape of the lug on the air pipe mounting seat, so that the air pipe mounting seat is completely attached to the outer shell without a gap, the sealing effect in the shell is ensured, and the stability of the driving force is ensured; in addition, still have a glib mechanism in its inlet duct, the setting of glib mechanism can be through the gas of high-speed process with oil in the vaporific casing of blowing in for the parcel blows in the steam in the casing gas, and the part in the protective housing can not take place the condition of corrosion, unable work because of steam, prolongs its life.
Drawings
FIG. 1 is a sectional view of a notebook shell finishing device of the present invention;
FIG. 2 is an exploded view of a core structure of the notebook shell finishing device of the present invention;
FIG. 3 is a schematic diagram of the inner shell structure of the notebook shell finishing device of the present invention;
FIG. 4 is a structural sectional view of a second notebook shell finishing device of the present invention;
FIG. 5 is a schematic view of a partial structure of a notebook shell finishing device of the present invention;
fig. 6 is the outer shell structure sketch map in the notebook shell finish machining device of the utility model.
in the above drawings: 1. an outer housing; 2. an inner housing; 3. a core body; 4. rotating the head; 5. an annular groove; 601. a first boss portion; 602. a second boss portion; 603. a third boss portion; 7. a top cover; 8. a first cavity; 9. a second cavity; 101. an air inlet; 102. an air outlet; 11. an upper shaft portion; 12. a drive section; 13. a lower shaft portion; 14. an upper bearing seat; 15. a lower bearing seat; 151. a seat body portion; 152. a lower bearing; 17. a blade groove; 18. a driving blade; 19. an air inlet; 20. an air outlet; 21. a seal ring; 36. an annular baffle plate; 37. a gas pipe mounting seat; 371. an air intake portion; 372. an air outlet part; 373. a bump; 374. an air storage tank; 38. an air inlet pipe; 39. and an air outlet pipe.
Detailed Description
example 1: a notebook computer outer shell finish machining device comprises an outer shell 1, an inner shell 2, a core body 3 and a rotating head 4, wherein the inner shell 2 is positioned in the outer shell 1, the core body 3 is rotatably arranged in the inner shell 2, and the rotating head 4 is connected with the core body 3 in an installing mode;
the inner wall and the outer wall of the inner shell 2 are both cylindrical surfaces, the central axis of the cylindrical surface of the outer wall of the inner shell 2 is parallel to and does not coincide with the central axis of the cylindrical surface of the inner wall of the inner shell 2, so that the wall thickness of the inner shell 2 gradually increases in a semicircular direction, the outer wall of the inner shell 2 is provided with two annular grooves 5 which are arranged in parallel, so that a first boss 601, a second boss 602 and a third boss 603 which are parallel are formed on the outer wall of the inner shell 2, the outer wall of the inner shell 2 is tightly connected with the inner wall of the outer shell 1, so that a first cavity 8 and a second cavity 9 are formed between the two annular grooves 5 of the outer shell 1 and the inner shell 2, the inner wall of the annular groove 5 in the first cavity 8 is provided with a plurality of air inlets 101, and the;
The central axis of the core body 3 coincides with the central axis of the cylindrical surface of the outer wall of the inner shell 2, the core body 3 comprises an upper shaft part 11, a driving part 12 and a lower shaft part 13, the core body 3 is rotatably installed in the outer shell 1 through an upper bearing seat 14 and a lower bearing seat 15, the lower surface of the upper bearing seat 14 is in contact connection with the top surface of the inner shell 2, the lower bearing seat 15 is arranged in the outer shell 1 and is positioned below the inner shell 2, a plurality of blade grooves 17 are circumferentially arranged on the core body 3 at equal intervals, driving blades 18 are respectively embedded in the blade grooves 17, an air inlet 19 and an air outlet 20 are arranged on the outer shell 1, the air inlet 19 is communicated with the first cavity 8, and the air outlet 20;
the lower bearing seat 15 further comprises a seat body part 151 and a lower bearing 152 embedded in the seat body part 151, wherein an annular groove is formed in the inner wall of the seat body part 151, an annular baffle 36 is embedded in the annular groove, and the annular baffle 36 is positioned below the lower bearing 152 and is in contact connection with the lower bearing 152;
the air pipe mounting seat 37 is further provided with an air pipe mounting seat 37 mounted on the outer shell 1, the air pipe mounting seat 37 comprises an air inlet portion 371 and an air outlet portion 372, one side of the air outlet portion 372, which is close to the outer shell 1, is provided with a convex block 373, an air storage groove 374 communicated with the air outlet 20 is formed in the convex block 373, the air inlet portion 371 is connected with an air inlet pipe 38 communicated with the air inlet 19, the air outlet 20 is larger than the air inlet 19, and the air outlet portion 372 is connected with at least two air outlet pipes 39 communicated with the air storage groove 374.
The first protrusion 601, the second protrusion 602, and the third protrusion 603 are provided at equal intervals; the upper opening of the outer shell 1 is provided with internal threads, and a connecting part of a top cover 7 is embedded into the outer shell 1 and is in threaded connection with the outer shell 1; a sealing ring 21 is arranged between the top cover 7 and the outer shell 1; the air inlet 19 is a circular through hole, and the air outlet 20 is a strip-shaped through hole; the outer wall of the outer casing 1 has a second flange portion, the second flange portion has the air inlet 19, and the outer casing 1 below the second flange portion has the air outlet 20.
Example 2: a notebook computer outer shell finish machining device comprises an outer shell 1, an inner shell 2, a core body 3 and a rotating head 4, wherein the inner shell 2 is positioned in the outer shell 1, the core body 3 is rotatably arranged in the inner shell 2, and the rotating head 4 is connected with the core body 3 in an installing mode;
the inner wall and the outer wall of the inner shell 2 are both cylindrical surfaces, the central axis of the cylindrical surface of the outer wall of the inner shell 2 is parallel to and does not coincide with the central axis of the cylindrical surface of the inner wall of the inner shell 2, so that the wall thickness of the inner shell 2 gradually increases in a semicircular direction, the outer wall of the inner shell 2 is provided with two annular grooves 5 which are arranged in parallel, so that a first boss 601, a second boss 602 and a third boss 603 which are parallel are formed on the outer wall of the inner shell 2, the outer wall of the inner shell 2 is tightly connected with the inner wall of the outer shell 1, so that a first cavity 8 and a second cavity 9 are formed between the two annular grooves 5 of the outer shell 1 and the inner shell 2, the inner wall of the annular groove 5 in the first cavity 8 is provided with a plurality of air inlets 101, and the;
the central axis of the core body 3 coincides with the central axis of the cylindrical surface of the outer wall of the inner shell 2, the core body 3 comprises an upper shaft part 11, a driving part 12 and a lower shaft part 13, the core body 3 is rotatably installed in the outer shell 1 through an upper bearing seat 14 and a lower bearing seat 15, the lower surface of the upper bearing seat 14 is in contact connection with the top surface of the inner shell 2, the lower bearing seat 15 is arranged in the outer shell 1 and is positioned below the inner shell 2, a plurality of blade grooves 17 are circumferentially arranged on the core body 3 at equal intervals, driving blades 18 are respectively embedded in the blade grooves 17, an air inlet 19 and an air outlet 20 are arranged on the outer shell 1, the air inlet 19 is communicated with the first cavity 8, and the air outlet 20;
The lower bearing seat 15 further comprises a seat body part 151 and a lower bearing 152 embedded in the seat body part 151, wherein an annular groove is formed in the inner wall of the seat body part 151, an annular baffle 36 is embedded in the annular groove, and the annular baffle 36 is positioned below the lower bearing 152 and is in contact connection with the lower bearing 152;
the air pipe mounting seat 37 is further provided with an air pipe mounting seat 37 mounted on the outer shell 1, the air pipe mounting seat 37 comprises an air inlet portion 371 and an air outlet portion 372, one side of the air outlet portion 372, which is close to the outer shell 1, is provided with a convex block 373, an air storage groove 374 communicated with the air outlet 20 is formed in the convex block 373, the air inlet portion 371 is connected with an air inlet pipe 38 communicated with the air inlet 19, the air outlet 20 is larger than the air inlet 19, and the air outlet portion 372 is connected with at least two air outlet pipes 39 communicated with the air storage groove 374.
The outer wall of the outer casing 1 has a second flange part, the second flange part is provided with the air inlet 19, and the outer casing 1 below the second flange part is provided with the air outlet 20; the upper surface of the projection 373 is in contact with the lower surface of the second flange portion; the air pipe mounting seat 37 is connected with the second flange part through a plurality of limiting pins and screws; a sealing ring is arranged at the joint of the air inlet 371 and the air inlet 19; the intake pipe 38 also has a nozzle mechanism therein.
The outer wall of the outer casing 1 has a second flange portion 37, the air inlet 19 is opened on the second flange portion 37, and the air outlet 20 is opened on the outer casing 1 below the second flange portion; the upper surface of the projection 373 is in contact with the lower surface of the second flange portion; the air pipe mounting seat 37 is connected with the second flange part through a plurality of limiting pins and screws; a sealing ring is arranged at the joint of the air inlet 371 and the air inlet 19; the intake pipe 38 also has a nozzle mechanism therein.
When the notebook shell finish machining device is adopted, the combination of the inner shell body and the core body is ingenious in structure, air enters the inner shell body through the first cavity, the driving blade is blown, the driving blade drives the core body to rotate, the air is discharged through the second cavity, the rotating head is driven to rotate by the rotation of the core body, automatic polishing is achieved, and the notebook shell finish machining device is simple in structure and convenient to use; in addition, the bearing is arranged in the seat body part of the bearing seat by adopting the baffle plate, so that the bearing is convenient to disassemble and assemble, when the bearing loss needs to be replaced, the bearing only needs to be disassembled from the lower part of the grinding head, the inner shell and the outer shell above the grinding head do not need to be separated, the situation that the inner shell and the outer shell cannot be completely and tightly matched due to repeated disassembly is avoided, the sealing effect in the shell is ensured, and the driving stability of the rotating head is further ensured; in addition, the air outlet of the rotary head is larger than the air inlet and the air storage tank, so that stable pressure difference can be further formed in the shell, the driving force and the stability of the driving force on the core body are enhanced, and the rotating force and the stability of the rotary head are further ensured;
In addition, the air pipe mounting seat and the air pipe are arranged, so that the air inlet and the air outlet on the outer shell are in a closed state, liquid used in the polishing process is completely isolated from entering the shell from the air inlet or the air outlet, the condition that parts in the shell are rusted and need to be replaced or the polishing head is scrapped is avoided, the service life of the polishing head is prolonged, the cost is saved, the time for replacing the parts is saved, and the production efficiency is improved; in addition, the top cover is arranged, so that the structure is simple, the assembly is convenient to disassemble and assemble, internal structures such as the core body and the like are protected from being influenced by external dust and the like, and the service life of the assembly is prolonged; in addition, the sealing ring is arranged, so that the core body is further isolated from the external environment, the influence of external dust and water vapor in the air is prevented, and the service life of the component is prolonged;
In addition, the second flange part is arranged and matched with the shape of the lug on the air pipe mounting seat, so that no gap is completely attached between the air pipe mounting seat and the outer shell, the sealing effect in the shell is ensured, and the stability of the driving force is ensured; in addition, the oil nozzle mechanism is arranged, oil can be blown into the shell in a mist form through high-speed passing gas so as to wrap the water vapor blown into the gas in the shell, parts in the protective shell cannot be corroded due to the water vapor and cannot work, and the service life of the parts is prolonged.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a notebook shell finish machining device which characterized in that: the device comprises an outer shell (1), an inner shell (2), a core body (3) and a rotating head (4), wherein the inner shell (2) is positioned in the outer shell (1), the core body (3) is rotatably arranged in the inner shell (2), and the rotating head (4) is connected with the core body (3) in an installing manner;
The inner wall and the outer wall of the inner shell (2) are cylindrical surfaces, the central axis of the outer wall cylindrical surface of the inner shell (2) is parallel to and does not coincide with the central axis of the inner wall cylindrical surface of the inner shell (2), so that the wall thickness of the inner shell (2) is gradually increased in a semicircular direction, two annular grooves (5) which are arranged in parallel are arranged on the outer wall of the inner shell (2), a first boss (601), a second boss (602) and a third boss (603) which are parallel are formed on the outer wall of the inner shell (2), the outer wall of the inner shell (2) is tightly matched and connected with the inner wall of the outer shell (1), so that a first cavity (8) and a second cavity (9) are formed between the two annular grooves (5) of the outer shell (1) and the inner shell (2), and a plurality of air inlets (101) are formed on the inner wall of the annular groove, a plurality of air outlets (102) are formed in the inner wall of the annular groove (5) in the second cavity (9);
the central axis of the core body (3) is superposed with the central axis of the outer wall cylindrical surface of the inner shell (2), the core body (3) comprises an upper shaft part (11), a driving part (12) and a lower shaft part (13), the core body (3) is rotatably arranged in the outer shell (1) through an upper bearing seat (14) and a lower bearing seat (15), the lower surface of the upper bearing seat (14) is in contact connection with the top surface of the inner shell (2), the lower bearing seat (15) is arranged in the outer shell (1) and is positioned below the inner shell (2), a plurality of blade grooves (17) are arranged on the core body (3) at equal intervals along the circumferential direction, driving blades (18) are respectively embedded in the blade grooves (17), an air inlet (19) and an air outlet (20) are arranged on the outer shell (1), the air inlet (19) is communicated with the first cavity (8), and the air outlet (20) is communicated with the second cavity (9);
the lower bearing seat (15) further comprises a seat body part (151) and a lower bearing (152) embedded in the seat body part (151), an annular groove is formed in the inner wall of the seat body part (151), an annular baffle plate (36) is embedded in the annular groove, and the annular baffle plate (36) is positioned below the lower bearing (152) and is in contact connection with the lower bearing (152);
still have one and install trachea mount pad (37) on shell body (1), this trachea mount pad (37) are including admitting air portion (371) and giving vent to anger portion (372), one side that portion (372) of giving vent to anger are close to shell body (1) has a lug (373), and it has a gas storage tank (374) that link up with gas outlet (20) to open on this lug (373), be connected with one intake pipe (38) that link up with air inlet (19) on admitting air portion (371), gas outlet (20) are greater than air inlet (19), be connected with two at least outlet duct (39) that link up with gas storage tank (374) on giving vent to anger portion (372).
2. The notebook housing finishing apparatus of claim 1, wherein: the first protruding portion (601), the second protruding portion (602) and the third protruding portion (603) are arranged at equal intervals.
3. The notebook housing finishing apparatus of claim 1, wherein: the upper opening of the outer shell (1) is provided with internal threads, and the connecting part of a top cover (7) is embedded into the outer shell (1) and is in threaded connection with the outer shell (1).
4. The notebook housing finishing apparatus of claim 3, wherein: a sealing ring (21) is arranged between the top cover (7) and the outer shell (1).
5. The notebook housing finishing apparatus of claim 1, wherein: the air inlet (19) is a circular through hole, and the air outlet (20) is a strip-shaped through hole.
6. The notebook housing finishing apparatus of claim 1, wherein: the outer wall of the outer shell (1) is provided with a second flange part, the second flange part is provided with the air inlet (19), and the outer shell (1) below the second flange part (37) is provided with the air outlet (20).
7. The notebook housing finishing apparatus of claim 6, wherein: the upper surface of the bump (373) is in contact connection with the lower surface of the second flange portion.
8. The notebook housing finishing apparatus of claim 6, wherein: the air pipe mounting seat (37) is connected with the second flange part through a plurality of limiting pins and screws.
9. The notebook housing finishing apparatus of claim 1, wherein: and a sealing ring is arranged at the joint of the air inlet part (371) and the air inlet (19).
10. The notebook housing finishing apparatus of claim 1, wherein: the air inlet pipe (38) is also internally provided with a nozzle mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879541.6U CN209774375U (en) | 2018-11-15 | 2018-11-15 | Notebook shell finish machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879541.6U CN209774375U (en) | 2018-11-15 | 2018-11-15 | Notebook shell finish machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209774375U true CN209774375U (en) | 2019-12-13 |
Family
ID=68787292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821879541.6U Active CN209774375U (en) | 2018-11-15 | 2018-11-15 | Notebook shell finish machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209774375U (en) |
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2018
- 2018-11-15 CN CN201821879541.6U patent/CN209774375U/en active Active
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