CN223477219U - A grinding device for producing mobile phone back covers - Google Patents
A grinding device for producing mobile phone back coversInfo
- Publication number
- CN223477219U CN223477219U CN202423035453.6U CN202423035453U CN223477219U CN 223477219 U CN223477219 U CN 223477219U CN 202423035453 U CN202423035453 U CN 202423035453U CN 223477219 U CN223477219 U CN 223477219U
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- polishing
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- mobile phone
- electric sliding
- face
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Abstract
本实用新型公开了一种手机后盖生产用打磨装置，涉及手机后盖生产技术领域，该手机后盖生产用打磨装置，包括台体，还包括：移动机构；加工台，其包括底座和转盘，台体的下端面安装有第一电机；夹持组件，用于夹持固定手机后盖；安装架，安装架的外壁安装有固定架，固定架安装有第二电机；调节打磨机构，其包括多个打磨头和调节组件，能够通过调节组件更换打磨头提升打磨精度。本实用新型通过集成移动机构、加工台、夹持组件以及调节打磨机构，实现了对手机后盖的自动化、高精度打磨。特别是调节打磨机构的设计，能够根据不同的打磨需求，通过调节组件灵活更换打磨头，从而确保打磨过程的精准度和一致性，大大提高了打磨效率与产品质量。
The utility model discloses a polishing device for producing mobile phone back covers, which relates to the technical field of mobile phone back cover production. The polishing device for producing mobile phone back covers comprises a table body, and also comprises: a moving mechanism; a processing table comprising a base and a turntable, a first motor being mounted on the lower end surface of the table body; a clamping assembly for clamping and fixing the mobile phone back cover; a mounting frame, a fixing frame being mounted on the outer wall of the mounting frame, a second motor being mounted on the fixing frame; an adjusting polishing mechanism comprising a plurality of polishing heads and an adjusting assembly, which can improve the polishing accuracy by replacing the polishing head through the adjusting assembly. The utility model realizes automated, high-precision polishing of mobile phone back covers by integrating a moving mechanism, a processing table, a clamping assembly and an adjusting polishing mechanism. In particular, the design of the adjusting polishing mechanism can flexibly replace the polishing head through the adjusting assembly according to different polishing requirements, thereby ensuring the accuracy and consistency of the polishing process, and greatly improving the polishing efficiency and product quality.
Description
Technical Field
The utility model relates to the technical field of production of mobile phone rear covers, in particular to a polishing device for production of a mobile phone rear cover.
Background
The metal cell phone case requires polishing of the surface prior to assembly, and therefore requires the use of a polishing device. In the existing production process of the mobile phone rear cover, the polishing link often depends on manual operation or simple mechanized equipment, so that the problems of low polishing efficiency, insufficient polishing precision, high labor intensity of operators and the like are caused. Particularly, in the polishing process, different polishing tools and polishing angles may be required for the mobile phone rear covers with different models or different materials, and the conventional polishing device lacks flexibility and adjustability, so that the requirement is difficult to meet. Therefore, how to design a device capable of polishing the rear cover of the mobile phone efficiently, accurately and flexibly is a technical problem to be solved currently.
Disclosure of utility model
The polishing device for the production of the mobile phone rear cover has the effects of high accuracy and good consistency, and the polishing efficiency and the product quality are greatly improved. To solve the problem of lack of flexibility and adjustability of conventional sanding devices.
The utility model provides a polishing device for producing a mobile phone rear cover, which comprises a table body and a moving mechanism, wherein the moving mechanism is symmetrically arranged on the upper end surface of the table body; the processing table comprises a base and a turntable, wherein the base is arranged on the upper end face of the table body and is positioned between the moving mechanisms, the turntable is rotationally connected to the upper end face of the base, a first motor is arranged on the lower end face of the table body, the output ends of the first motor penetrate through the table body and the base to be fixedly connected with the ground of the turntable, a plurality of clamping assemblies are arranged on the upper end face of the turntable and are used for clamping and fixing a mobile phone rear cover, a mounting frame is arranged at the output end of the moving mechanism, a fixing frame is arranged on the outer wall of the mounting frame, a second motor is arranged on the upper end face of the fixing frame, the output end of the second motor penetrates through the fixing frame to extend downwards, a polishing adjusting mechanism comprises a plurality of polishing heads and an adjusting assembly, the adjusting assembly is arranged on the bottom face of the mounting frame, the polishing heads are respectively arranged at the output ends of the adjusting assembly, the polishing heads are connected with the second motor through the adjusting assembly, and the polishing heads can be replaced through the adjusting assembly to improve polishing precision.
Preferably, the adjusting component comprises a mounting plate, a mounting ring, a third motor and a lifting component, wherein a through hole is formed in the bottom surface of the mounting frame, the mounting plate is rotationally connected in the through hole, a plurality of through holes are formed in the upper end surface of the mounting plate, the mounting ring is slidingly connected in the through holes, the polishing head is rotationally connected in the mounting ring, the third motor is mounted on the lower end surface of the mounting frame, and the lifting component is mounted on the lower end surface of the mounting frame and connected with the bottom surface of the mounting ring and used for driving the mounting ring to move up and down so as to enable the polishing head to be connected with the second motor.
Preferably, the lifting assembly comprises a box body, a fourth motor, a first screw rod, a connecting rod and a fixed ring, wherein the box body is symmetrically installed on the bottom surface of the mounting frame in a left-right mode, the first screw rod is rotationally connected in the box body, one end, close to each other, of the box body is provided with an opening, the connecting rod is slidably connected in the opening and is in threaded connection with the first screw rod, the other end of the connecting rod is fixedly connected with the fixed ring, the fixed ring is fixedly connected with the bottom surface of the mounting ring, the fourth motor is installed on the bottom surface of the box body, and the output end of the fourth motor is fixedly connected with the first screw rod.
Preferably, the upper end face of the polishing head is provided with a fixed cylinder, the upper end face of the fixed cylinder is provided with a clamping groove which is concave inwards, and the output end of the second motor stretches into the clamping groove and is provided with a clamping block matched with the clamping groove.
Preferably, the moving mechanism comprises a first electric sliding table, a second electric sliding table and a third electric sliding table, the first electric sliding table is installed on the upper end face of the table body, a connecting frame is installed on the upper end face of the first electric sliding table, the second electric sliding table is installed on one end of the connecting frame, which is close to the turntable, the third electric sliding table is installed on one end of the second electric sliding table, which is close to the turntable, the mounting frame is installed on one end of the third electric sliding table, which is close to the turntable, the first electric sliding table is used for moving left and right, the second electric sliding table is used for moving back and forth, and the third electric sliding table is used for lifting and moving.
Preferably, the clamping assembly comprises a fixed block, a second screw rod, a fifth motor and symmetrically arranged clamping rods, the fixed block is respectively arranged on the upper end face of the rotary table, the upper end face of the fixed block is provided with an inwards concave sliding groove, the clamping rods are symmetrically and slidably connected in the sliding groove and extend out of the sliding groove, the second screw rod is rotationally connected in the sliding groove, the clamping rods are in threaded connection with the second screw rod, and the fifth motor is arranged on the outer wall of the fixed block and penetrates through the fixed block to be fixedly connected with the second screw rod.
Preferably, the front end and the rear end of the base are symmetrically provided with object placing plates.
Compared with the prior art, the utility model provides the polishing device for producing the mobile phone rear cover, which has the following beneficial effects:
This grinding device is used in production of lid behind cell-phone has realized the automation, the high accuracy of lid behind the cell-phone through integrated mobile mechanism, processing platform (including rotatable carousel), clamping assembly and regulation grinding machanism. Especially adjust grinding machanism's design, can be according to the demand of polishing of difference, change the grinding head in a flexible way through adjusting component to ensure the precision and the uniformity of polishing process, improved efficiency of polishing and product quality greatly.
Through setting up mounting disc, collar, third motor and lifting unit, can be convenient for drive mounting disc and rotate, make the first reciprocates of polishing to make the grinding head be connected or break away from with the third motor, be convenient for realize changing.
Through setting up first electronic slip table, second electronic slip table and third electronic slip table, can drive the mounting bracket before, after, left and right and lift remove to can adjust the first position of polishing, realize the fine adjustment of polishing the head.
Through setting up fixed block, second lead screw, fifth motor and clamping lever, can drive the clamping lever and be close to each other or keep away from to the lid behind the internal stay centre gripping cell-phone.
Drawings
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a schematic diagram of the movement mechanism and the adjustable grinding mechanism of the present utility model;
FIG. 3 is a schematic view of the structure of the adjusting polishing mechanism of the present utility model;
FIG. 4 is a schematic view of the mounting plate structure of the present utility model;
FIG. 5 is a schematic view of the mounting frame of the present utility model;
FIG. 6 is a schematic diagram of a second motor according to the present utility model;
FIG. 7 is a schematic view of a processing station according to the present utility model;
fig. 8 is a schematic view of a clamping assembly according to the present utility model.
The device comprises a table body 1, a first motor, a moving mechanism 21, a first electric sliding table, 211, a connecting frame 22, a second electric sliding table, 23, a third electric sliding table, 3, a processing table 31, a base 311, a placing plate 32, a rotary table 4, a clamping component 41, a fixed block 411, a sliding chute 42, a second screw rod 43, a fifth motor 44, a clamping rod 5, a mounting rack 51, a fixing frame 52, a second motor 521, a clamping block 6, an adjusting polishing mechanism 61, a polishing head 611, a fixed cylinder 612, a clamping groove 62, an adjusting component 621, a mounting plate 622, a mounting ring 623, a third motor 624, a lifting component 625, a box body 626, a fourth motor 627, a first screw rod 628, a connecting rod 629, a fixing ring 630, a through hole 631, a through hole 632 and an opening.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-8, the utility model discloses a polishing device for producing a mobile phone rear cover, which comprises a table body 1, a moving mechanism 2, a polishing device and a polishing device, wherein the moving mechanism 2 is symmetrically arranged on the upper end surface of the table body 1; the machining table 3 comprises a base 31 and a turntable 32, wherein the base 31 is installed on the upper end face of the table body 1 and is located between the moving mechanisms 2, the turntable 32 is rotatably connected to the upper end face of the base 31, a first motor 11 is installed on the lower end face of the table body 1, the output end of the first motor 11 penetrates through the table body 1 and the base 31 to be fixedly connected with the ground of the turntable 32, clamping assemblies 4 are arranged on the upper end face of the turntable 32 and are used for clamping and fixing a mobile phone rear cover, a mounting frame 5 is installed on the output end of the moving mechanism 2, a fixing frame 51 is installed on the outer wall of the mounting frame 5, a second motor 52 is installed on the upper end face of the fixing frame 51, the output end of the second motor 52 penetrates through the fixing frame 51 to extend downwards, a polishing mechanism 6 is adjusted and comprises a plurality of polishing heads 61 and an adjusting assembly 62, the polishing heads 61 are installed on the bottom face of the mounting frame 5 and are respectively installed on the output end of the adjusting assembly 62, and the polishing heads 61 are connected with the second polishing heads 61 and the second polishing heads 52 through the adjusting assemblies 62 in a replacement mode.
The polishing device for the production of the mobile phone rear cover is designed, and realizes the automatic and high-precision polishing of the mobile phone rear cover by integrating the moving mechanism 2, the processing table 3 (comprising the rotatable turntable 32), the clamping assembly 4 and the adjusting polishing mechanism 6. Particularly, the design of the polishing mechanism 6 is adjusted, and the polishing head 61 can be flexibly replaced through the adjusting component 62 according to different polishing requirements, so that the accuracy and consistency of the polishing process are ensured, and the polishing efficiency and the product quality are greatly improved.
Referring to fig. 1-6, the adjusting component 62 includes a mounting plate 621, a mounting ring 622, a third motor 623 and a lifting component 624, a through hole 630 is provided on the bottom surface of the mounting frame 5, the mounting plate 621 is rotatably connected in the through hole 630, a plurality of through holes 631 are provided on the upper end surface of the mounting plate 621, the mounting ring 622 is slidably connected in the through holes 631, the polishing head 61 is rotatably connected in the mounting ring 622, the third motor 623 is mounted on the lower end surface of the mounting frame 51, the lifting component 624 is mounted on the lower end surface of the mounting frame 5 and is connected with the bottom surface of the mounting ring 622, the mounting ring 622 is used for driving the mounting ring 622 to move up and down so as to connect the polishing head 61 with the second motor 52, the mounting plate 621 is conveniently driven to rotate, the polishing head 61 is conveniently moved up and down, thereby connecting or disconnecting the polishing head 61 with the third motor 623, the polishing head 61 is conveniently replaced, the lifting component 624 includes a box body 625, a fourth motor 626, a first motor 626, a lead screw 625 and a lead screw 625 are fixedly connected with the bottom surface of the mounting ring 626, a connecting rod 625 is fixedly connected with the fourth motor 628, a lead screw 625 is fixedly connected with the fourth motor 626, a lead screw 626 is fixedly connected with the bottom surface of the mounting ring 626, a connecting rod 626 is fixedly connected with the fourth motor 626, a connecting rod 626 is provided on the bottom surface, and is fixedly connected with the mounting box 626, and is provided with the lifting component 624, so that is conveniently to be connected with the mounting frame by a lifting component 624, so by arranging mounting plate, so, the first screw rod 627, the connecting rod 628 and the fixing ring 629 are driven by the fourth motor 626 to rotate, so that the connecting rod 628 slides up and down, and the fixing ring 629 is driven to move the mounting ring 622 up and down.
Referring to fig. 3 and 5, the upper end surface of the polishing head 61 is provided with a fixing cylinder 611, the upper end surface of the fixing cylinder 611 is provided with an inwardly recessed clamping groove 612, the output end of the second motor 52 extends into the clamping groove 612 and is provided with a clamping block 521 matched with the clamping groove 612, and the polishing head 61 is convenient to be connected with the second motor 52 by arranging the clamping groove 612 and the clamping block 521.
Referring to fig. 1-2, the moving mechanism 2 includes a first electric sliding table 21, a second electric sliding table 22 and a third electric sliding table 23, the first electric sliding table 21 is installed on an upper end surface of the table body 1, a connecting frame 211 is installed on an upper end surface of the first electric sliding table 21, the second electric sliding table 22 is installed on one end of the connecting frame 211, which is close to the turntable 32, the third electric sliding table 23 is installed on one end of the second electric sliding table 22, which is close to the turntable 32, the mounting frame 5 is installed on one end of the third electric sliding table 23, the first electric sliding table 21 is used for moving left and right, the second electric sliding table 22 is used for moving back and forth, and the third electric sliding table 23 is used for moving up and down, and by setting the first electric sliding table 21, the second electric sliding table 22 and the third electric sliding table 23, the mounting frame 5 can be driven to move forward, backward, leftward and rightward, thereby adjusting the polishing position of the polishing head 61, and realizing fine adjustment of the polishing head 61.
Example two
Based on the above embodiment, referring to fig. 1, 7 and 8, the clamping assembly 4 includes a fixed block 41, a second screw rod 42, a fifth motor 43 and symmetrically arranged clamping rods 44, the fixed block 41 is respectively mounted on the upper end surface of the turntable 32, the upper end surface of the fixed block 41 is provided with an inward recessed chute 411, the clamping rods 44 are symmetrically slidably connected in the chute 411 and extend out of the chute 411, the second screw rod 42 is rotatably connected in the chute 411, the clamping rods 44 are in threaded connection with the second screw rod 42, the fifth motor 43 is mounted on the outer wall of the fixed block 41 and penetrates through the fixed block 41 and is fixedly connected with the second screw rod 42, and the clamping rods 44 can be driven to approach or separate from each other by arranging the fixed block 41, the second screw rod 42, the fifth motor 43 and the clamping rods 44, so as to support the rear cover of the mobile phone.
Referring to fig. 1, the front and rear ends of the base 31 are symmetrically provided with a storage plate 311, and the storage plate 311 facilitates the placement of a unprocessed mobile phone rear cover.
The working principle and the using flow of the utility model are as follows:
When in use, the mobile phone rear cover to be polished is placed on the object placing plate 311 on the base 31 of the processing table 3, so that the mobile phone rear cover to be polished is convenient to take and use in operation, all motors (the first motor 11, the second motor 52, the third motor 623, the fourth motor 626 and the fifth motor 43) and the electric sliding tables (the first electric sliding table 21, the second electric sliding table 22 and the third electric sliding table 23) are in normal states, the power supply is connected correctly, then the first motor 11 below the turntable 32 is started, the turntable 32 is in a state to be operated, the turntable 32 is rotated to a proper position by manual or automatic mode, the corresponding clamping assembly 4 is aligned with the mobile phone rear cover to be processed, the fifth motor 43 in the clamping assembly 4 is started, the second screw rod 42 is driven to rotate, and the clamping rods 44 slide in the sliding grooves 411 and are close to or far away from each other until the mobile phone rear cover is supported and clamped, after ensuring that the mobile phone rear cover is firmly clamped, the turntable 32 can continue to rotate to a polishing position, then a proper polishing head 61 is selected according to the material and polishing requirements of the mobile phone rear cover, the third motor 623 in the adjusting component 62 can drive the mounting plate 621 to rotate so as to replace the polishing head 61 to adapt to different polishing requirements, the fourth motor 626 in the lifting component 624 is started to drive the first screw rod 627 to rotate, the connecting rod 628 slides up and down in the opening 632 of the box body 625 so as to drive the fixed ring 629 and the mounting ring 622 to move up and down until the required polishing head 61 is aligned with the output end of the second motor 52, after the polishing head 61 is aligned with the output end of the second motor 52, the fixing barrel 611 and the clamping groove 612 at the upper end of the polishing head 61 and the clamping block 521 at the output end of the second motor 52 are utilized to firmly connect the polishing head 61 to the second motor 52, further starting the first electric sliding table 21, the second electric sliding table 22 and the third electric sliding table 23 in the moving mechanism 2, driving the mounting frame 5 (and the adjusting polishing mechanism 6 thereon) to move back and forth, left and right and up and down according to preset polishing paths and parameters, thereby realizing accurate polishing of the mobile phone rear cover, in the polishing process, polishing speed, pressure and paths can be adjusted in real time through observation or monitoring equipment so as to ensure polishing quality and efficiency, and after the mobile phone rear cover reaches the expected polishing effect, stopping the operation of the moving mechanism 2 and the polishing mechanism, the power supplies of all motors and the electric sliding tables are closed, the safe shutdown of the equipment is ensured, the clamping assembly 4 is loosened, the polished mobile phone rear cover is taken down from the turntable 32 and placed at a designated position, the steps are repeated, the next mobile phone rear cover is continuously processed, through the use flow, the polishing device for producing the mobile phone rear cover can realize the automatic and high-precision polishing of the mobile phone rear cover, the production efficiency and the product quality are greatly improved, and meanwhile, the design of the polishing mechanism 6 and the moving mechanism 2 is flexibly adjusted, so that the polishing requirements of mobile phone rear covers with different models and materials are also met.
Claims (8)
1. Grinding device is used in production of lid behind cell-phone, including stage body (1), its characterized in that still includes:
The moving mechanism (2) is symmetrically arranged on the upper end surface of the table body (1) left and right;
a processing table (3) mounted on the upper end surface of the table body (1);
The clamping assemblies (4) are arranged in a plurality and are all arranged on the upper end face of the processing table (3) and used for clamping and fixing the mobile phone rear cover;
the mounting frame (5) is mounted at the output end of the moving mechanism (2), a fixing frame (51) is mounted on the outer wall of the mounting frame (5), a second motor (52) is mounted on the upper end face of the fixing frame (51), and the output end of the second motor (52) penetrates through the fixing frame (51) to extend downwards;
adjust grinding machanism (6), it includes a plurality of grinding heads (61) and adjusting part (62), adjusting part (62) are installed the bottom surface of mounting bracket (5), grinding head (61) are installed respectively the output of adjusting part (62), grinding head (61) pass through adjusting part (62) with second motor (52) are connected, can change through adjusting part (62) grinding head (61) promotes the precision of polishing.
2. The polishing device for producing the mobile phone rear cover according to claim 1, wherein the processing table (3) comprises a base (31) and a rotary table (32), the base (31) is installed on the upper end face of the table body (1) and located between the moving mechanisms (2), the rotary table (32) is rotationally connected to the upper end face of the base (31), a first motor (11) is installed on the lower end face of the table body (1), and the output end of the first motor (11) penetrates through the table body (1) and the base (31) to be fixedly connected with the ground of the rotary table (32).
3. The polishing device for producing a mobile phone rear cover according to claim 2, wherein the adjusting component (62) comprises a mounting plate (621), a mounting ring (622), a third motor (623) and a lifting component (624), a through hole (630) is formed in the bottom surface of the mounting frame (5), the mounting plate (621) is rotatably connected in the through hole (630), a plurality of through holes (631) are formed in the upper end surface of the mounting plate (621), the mounting ring (622) is slidably connected in the through holes (631), the polishing head (61) is rotatably connected in the mounting ring (622), the third motor (623) is mounted on the lower end surface of the mounting frame (51), and the lifting component (624) is mounted on the lower end surface of the mounting frame (5) and is connected with the bottom surface of the mounting ring (622) and is used for driving the mounting ring (622) to move up and down so that the polishing head (61) is connected with the second motor (52).
4. The polishing device for producing a mobile phone rear cover according to claim 3, wherein the lifting assembly (624) comprises a box body (625), a fourth motor (626), a first screw rod (627), a connecting rod (628) and a fixing ring (629), the box body (625) is installed on the bottom surface of the installation frame (5) in a bilateral symmetry mode, the first screw rod (627) is rotationally connected in the box body (625), an opening (632) is formed in one end, close to each other, of the box body (625), the connecting rod (628) is slidably connected in the opening (632) and is in threaded connection with the first screw rod (627), the other end of the connecting rod (628) is fixedly connected with the fixing ring (629), the fixing ring (629) is fixedly connected with the bottom surface of the installation ring (622), the fourth motor (626) is installed on the bottom surface of the box body (625), and the output end of the fourth motor (627) is fixedly connected with the first screw rod (627).
5. The polishing device for producing a mobile phone rear cover according to claim 4, wherein a fixed cylinder (611) is arranged on the upper end face of the polishing head (61), a clamping groove (612) recessed inwards is formed in the upper end face of the fixed cylinder (611), and the output end of the second motor (52) extends into the clamping groove (612) and is provided with a clamping block (521) matched with the clamping groove (612).
6. The polishing device for producing the mobile phone rear cover according to claim 2, wherein the moving mechanism (2) comprises a first electric sliding table (21), a second electric sliding table (22) and a third electric sliding table (23), the first electric sliding table (21) is installed on the upper end face of the table body (1), a connecting frame (211) is installed on the upper end face of the first electric sliding table (21), the second electric sliding table (22) is installed on one end, close to the turntable (32), of the connecting frame (211), the third electric sliding table (23) is installed on one end, close to the turntable (32), of the second electric sliding table (22), the mounting frame (5) is installed on one end, close to the turntable (32), of the third electric sliding table (23), the first electric sliding table (21) is used for moving left and right, the second electric sliding table (22) is used for moving back and forth, and the third electric sliding table (23) is used for moving up and down.
7. The polishing device for producing the mobile phone rear cover according to claim 2, wherein the clamping assembly (4) comprises a fixed block (41), a second screw rod (42), a fifth motor (43) and symmetrically arranged clamping rods (44), the fixed block (41) is respectively installed on the upper end face of the rotary table (32), an inwards concave sliding groove (411) is formed in the upper end face of the fixed block (41), the clamping rods (44) are symmetrically and slidingly connected in the sliding groove (411) and extend out of the sliding groove (411), the second screw rod (42) is rotationally connected in the sliding groove (411), the clamping rods (44) are in threaded connection with the second screw rod (42), and the fifth motor (43) is installed on the outer wall of the fixed block (41) and fixedly connected with the second screw rod (42) in a penetrating mode.
8. The polishing device for producing a mobile phone rear cover according to claim 2, wherein the front end and the rear end of the base (31) are symmetrically provided with object placing plates (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423035453.6U CN223477219U (en) | 2024-12-10 | 2024-12-10 | A grinding device for producing mobile phone back covers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423035453.6U CN223477219U (en) | 2024-12-10 | 2024-12-10 | A grinding device for producing mobile phone back covers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223477219U true CN223477219U (en) | 2025-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423035453.6U Active CN223477219U (en) | 2024-12-10 | 2024-12-10 | A grinding device for producing mobile phone back covers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223477219U (en) |
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2024
- 2024-12-10 CN CN202423035453.6U patent/CN223477219U/en active Active
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