CN113386171A - Prevent that axis of rotation from being blocked unable rotatory lock screw arm device by piece - Google Patents
Prevent that axis of rotation from being blocked unable rotatory lock screw arm device by piece Download PDFInfo
- Publication number
- CN113386171A CN113386171A CN202110566007.XA CN202110566007A CN113386171A CN 113386171 A CN113386171 A CN 113386171A CN 202110566007 A CN202110566007 A CN 202110566007A CN 113386171 A CN113386171 A CN 113386171A
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- side wall
- arm device
- lateral wall
- connection
- department
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
- B25J19/0058—Means for cleaning manipulators, e.g. dust removing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Pinball Game Machines (AREA)
Abstract
The invention relates to the technical field of mechanical arms, and discloses a screw locking mechanical arm device capable of preventing a rotating shaft from being clamped by scraps and incapable of rotating. In-process that the lateral wall of when activity cover pressed down, the side department of just position deviation to branch, lateral wall department at the activity cover is provided with the groove corresponding with the lateral wall of branch, consequently the lateral wall of activity cover can make the lateral wall of branch follow this vestige and drive the lateral wall rotation of rolling disc at the in-process of pressing down, the lateral wall of rolling disc can be at the inside wall department of movable sleeve slip back and forth, can get rid of the accumulational impurity in the lateral wall department of rolling disc, can avoid impurity to pile up and make the arm stop work.
Description
Technical Field
The invention relates to the technical field of mechanical arms, in particular to a screw locking mechanical arm device capable of preventing a rotating shaft from being clamped by scraps and incapable of rotating.
Background
In the process of locking the screw by the mechanical arm, the material needs to be delivered firstly, a port of the screw is clamped at the tip of the mechanical arm, the screw is delivered to a destination, the side wall of the screw is rotated by means of rotation of the side wall of the mechanical arm, and the screw and the connected part achieve the effect of screwing or loosening.
Disclosure of Invention
Technical scheme (I)
In order to solve the above problems, the present invention provides the following technical solutions: the utility model provides an avoid axis of rotation to be blocked by piece unable rotatory lock screw arm device, includes the activity dish, the bottom lateral wall department through connection of activity dish has the movable cover, and the bottom through connection of activity dish has the support, and the lateral wall bottom through connection of support has the loose axle, and the lateral wall department through connection of loose axle has the elastic band, the bottom sliding connection of activity cover has carousel mechanism, and the bottom lateral wall department through connection of carousel mechanism has supporting mechanism, and the lateral wall department sliding connection of supporting mechanism has the activity to detain, and supporting mechanism's bottom through connection has the chassis.
Preferably, the inside of carousel mechanism is including the rolling disc, and the top lateral wall department through connection of rolling disc has branch, and lateral wall department sliding connection of rolling disc has the movable sleeve, and the lateral wall department through connection of movable sleeve has the support area.
Preferably, the inside of supporting mechanism is including the elasticity post, and the top through connection of elasticity post has the back shaft, and the inside wall department through connection of elasticity post has the elasticity cotton, and the bottom through connection of elasticity post has the supporting disk, and the lateral wall department through connection of supporting disk has the card post, and the top lateral wall department of supporting disk is provided with the spout.
Preferably, the bottom end of the elastic band is fixedly connected to the outer side wall of the supporting mechanism.
Preferably, the bottom side wall of the movable cover is slidably connected to the top side wall of the support rod, and the side wall of the movable cover can be pressed against the support rod when the side wall is inclined downwards.
Preferably, a groove is formed in the bottom side wall of the movable cover, the groove is connected to the top side wall of the supporting rod in a penetrating mode, when the side wall of the movable cover inclines downwards and is close to the supporting rod, the side wall of the supporting rod can be attached to the groove of the movable cover, and the side wall of the rotating disc is driven to rotate.
Preferably, the top side wall of the movable buckle is slidably connected to the side wall of the rotating disc, and when the side wall of the supporting mechanism slides, the side wall of the movable buckle can be driven to rotate, so that the movable buckle can be scraped at the side wall of the rotating disc.
Preferably, the inner side wall of the movable sleeve is connected to the outer side wall of the rotating disc in a sliding manner, and the side wall of the rotating disc can slide with the inner side wall of the movable sleeve in the rotating process.
Preferably, the side wall of the clamping column is slidably connected to the outer end of the sliding groove, and when the side wall of the sliding groove is opened outwards, the side wall of the clamping column can slide upwards.
Preferably, the bottom side wall of the elastic cotton is connected to the sliding groove in a sliding mode, and the side wall of the elastic cotton can be extruded to the sliding groove when sliding downwards, so that the two side walls at the sliding groove tend to be opened outwards.
(II) advantageous effects
Compared with the prior art, the invention provides the screw locking mechanical arm device capable of preventing the rotating shaft from being clamped by scraps and incapable of rotating, and the screw locking mechanical arm device has the following beneficial effects:
1. this avoid the axis of rotation to be blocked unable rotatory lock screw arm device by piece, because branch is located the top lateral wall department of rolling disc and is provided with the four places, consequently, the in-process that the lateral wall of moving cover pressed down, just the position is partial to the side department of branch, lateral wall department at moving cover is provided with the groove corresponding with the lateral wall of branch, consequently, the lateral wall of moving cover can make the lateral wall of branch follow this vestige and drive the lateral wall of rolling disc rotatory at the in-process that presses down, the lateral wall of rolling disc can be at the inside wall department of movable sleeve and make a round trip to slide, can get rid of the accumulational impurity of lateral wall department of rolling disc, can avoid impurity to pile up and make arm stop work.
2. This avoid the axis of rotation to be blocked unable rotatory lock screw arm device by piece, because the top lateral wall department of supporting disk is provided with the spout, the cotton lateral wall of elasticity is pressed down in spout department, spout department receives the extrusion back of certain degree, the both sides lateral wall that is located spout department outwards expands, will let the first section looseness in the double-layered hole of card post both sides this moment, the lateral wall of card post can be along pressing from both sides hole department rebound, when the lateral wall of card post can be along the lateral wall department of supporting disk from top to bottom slides, can outwards reject the impurity of plugging up in the crack, avoid hard impurity to pile up and can't drop fast, and work efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the connection of the internal relevant structures of the turntable mechanism of the present invention;
FIG. 3 is a schematic view of the connection of the internal structure of the supporting mechanism according to the present invention.
In the figure: 1. a movable tray; 101. a movable cover; 2. a support; 3. a movable shaft; 4. an elastic band; 5. a turntable mechanism; 511. rotating the disc; 512. a strut; 513. a movable sleeve; 514. a support band; 6. a movable buckle; 7. a support mechanism; 711. an elastic column; 712. elastic cotton; 713. a support shaft; 714. a support disc; 715. clamping the column; 716. a chute; 8. a chassis.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-2, a screw locking mechanical arm device for preventing a rotating shaft from being clamped by debris and being incapable of rotating comprises a movable disc 1, a movable cover 101 is connected to the bottom side wall of the movable disc 1 in a penetrating manner, a support 2 is connected to the bottom end of the movable disc 1 in a penetrating manner, a movable shaft 3 is connected to the bottom end of the side wall of the support 2 in a penetrating manner, an elastic band 4 is connected to the side wall of the movable shaft 3 in a penetrating manner, a turntable mechanism 5 is connected to the bottom end of the movable cover 101 in a sliding manner, a rotating disc 511 is arranged inside the turntable mechanism 5, a support rod 512 is connected to the top side wall of the rotating disc 511 in a penetrating manner, a movable sleeve 513 is connected to the outer side wall of the rotating disc 511 in a sliding manner, a support band 514 is connected to the side wall of the movable sleeve 513 in a penetrating manner, a support mechanism 7 is connected to the bottom side wall of the turntable mechanism 5 in a penetrating manner, a movable buckle 6 is connected to the outer side wall of the support mechanism 7 in a sliding manner, a penetrating manner is connected to the bottom end of the support mechanism 7,
wherein, the bottom end of the elastic band 4 is fixedly connected with the outer side wall of the supporting mechanism 7.
The bottom side wall of the movable cover 101 is slidably connected to the top side wall of the supporting rod 512, and the side wall of the movable cover 101 can be pressed against the supporting rod 512 when being inclined downwards.
The bottom side wall of the movable cover 101 is provided with a groove, the groove is connected to the top side wall of the supporting rod 512 in a penetrating manner, and when the side wall of the movable cover 101 inclines downwards and is close to the supporting rod 512, the side wall of the supporting rod 512 can be attached to the groove of the movable cover 101 to drive the side wall of the rotating disc 511 to rotate.
The top side wall of the movable buckle 6 is connected to the side wall of the rotating disc 511 in a sliding manner, and when the side wall of the supporting mechanism 7 slides, the side wall of the movable buckle 6 can be driven to rotate, so that the side wall of the rotating disc 511 can be scraped.
Wherein, the inner side wall of the movable sleeve 513 is connected with the outer side wall of the rotating disc 511 in a sliding way, and the side wall of the rotating disc 511 can slide with the inner side wall of the movable sleeve 513 in the rotating process.
When the side wall of the movable cover 101 is pressed downwards, the position is just deviated to the side edge of the supporting rod 512, and a groove corresponding to the side wall of the supporting rod 512 is arranged on the side wall of the movable cover 101, so that the side wall of the supporting rod 512 follows the trace to drive the side wall of the rotating disc 511 to rotate in the process that the side wall of the movable cover 101 is pressed downwards, the side wall of the rotating disc 511 can slide back and forth on the inner side wall of the movable sleeve 513, and impurities accumulated on the side wall of the rotating disc 511 can be removed.
Example two:
referring to fig. 1 and 3, a screw locking mechanical arm device for preventing a rotation shaft from being clamped by debris and being incapable of rotating includes a movable disc 1, a movable cover 101 is connected to a bottom side wall of the movable disc 1 in a penetrating manner, a support 2 is connected to a bottom end of the movable disc 1 in a penetrating manner, a movable shaft 3 is connected to a bottom end of a side wall of the support 2 in a penetrating manner, an elastic band 4 is connected to a side wall of the movable shaft 3 in a penetrating manner, a turntable mechanism 5 is slidably connected to a bottom end of the movable cover 101, a support mechanism 7 is connected to a bottom side wall of the turntable mechanism 5 in a penetrating manner, an elastic column 711 is included in the support mechanism 7, a support shaft 713 is connected to a top end of the elastic column 711 in a penetrating manner, an elastic cotton 712 is connected to an inner side wall of the elastic column 711, a support disc 714 is connected to a bottom end of the elastic column 711 in a penetrating manner, a clamping column 715 is connected to a side wall of the support disc 714, a sliding groove 716 is provided at a top side wall of the support mechanism 7, a movable buckle 6 is slidably connected to an outer side wall of the support mechanism 7, the bottom end of the supporting mechanism 7 is connected with a chassis 8 in a penetrating way.
Wherein, the bottom end of the elastic belt 4 is fixedly connected with the outer side wall of the supporting mechanism 7
The side wall of the locking column 715 is slidably connected to the outer end of the sliding slot 716, and when the side wall of the sliding slot 716 is opened outward, the side wall of the locking column 715 can slide upward.
The bottom side wall of the elastic cotton 712 is slidably connected to the sliding groove 716, and the side wall of the elastic cotton 712 slides downward and is pressed to the sliding groove 716, so that the two side walls at the sliding groove 716 tend to open outward.
Because the top lateral wall department of supporting disk 714 is provided with spout 716, the lateral wall of elasticity cotton 712 is pressed in spout 716, spout 716 receives the extrusion of certain degree after, the both sides lateral wall that is located spout 716 outwards expands, will let the first section of clip hole of card post 715 both sides become loose this moment, the lateral wall of card post 715 can upwards slide along clip hole department, when the lateral wall of card post 715 can slide from top to bottom along the lateral wall department of supporting disk 714, can outwards reject the impurity that blocks up in the crack, avoid blockking up.
Example three:
referring to fig. 1-3, a screw locking mechanical arm device for preventing a rotation shaft from being stuck by debris and being incapable of rotating comprises a movable disc 1, wherein a movable cover 101 is connected to the bottom side wall of the movable disc 1 in a penetrating manner, a support 2 is connected to the bottom end of the movable disc 1 in a penetrating manner, a movable shaft 3 is connected to the bottom end of the side wall of the support 2 in a penetrating manner, an elastic band 4 is connected to the side wall of the movable shaft 3 in a penetrating manner, a turntable mechanism 5 is connected to the bottom end of the movable cover 101 in a sliding manner, a rotating disc 511 is arranged inside the turntable mechanism 5, a support rod 512 is connected to the top side wall of the rotating disc 511 in a penetrating manner, a movable sleeve 513 is connected to the side wall of the movable sleeve 513 in a penetrating manner, a support band 514 is connected to the bottom side wall of the turntable mechanism 5 in a penetrating manner, an elastic column 711 is arranged inside the support mechanism 7, and a support shaft 713 is connected to the top end of the elastic column 711 in a penetrating manner, the inside wall department through connection of elasticity post 711 has the cotton 712 of elasticity, and the bottom through connection of elasticity post 711 has supporting disk 714, and the lateral wall department through connection of supporting disk 714 has card post 715, and the top lateral wall department of supporting disk 714 is provided with spout 716, and the lateral wall department sliding connection of supporting mechanism 7 has the activity to detain 6, and the bottom through connection of supporting mechanism 7 has chassis 8.
Wherein, the bottom end of the elastic band 4 is fixedly connected with the outer side wall of the supporting mechanism 7.
The bottom side wall of the movable cover 101 is slidably connected to the top side wall of the supporting rod 512, and the side wall of the movable cover 101 can be pressed against the supporting rod 512 when being inclined downwards.
The bottom side wall of the movable cover 101 is provided with a groove, the groove is connected to the top side wall of the supporting rod 512 in a penetrating manner, and when the side wall of the movable cover 101 inclines downwards and is close to the supporting rod 512, the side wall of the supporting rod 512 can be attached to the groove of the movable cover 101 to drive the side wall of the rotating disc 511 to rotate.
The top side wall of the movable buckle 6 is connected to the side wall of the rotating disc 511 in a sliding manner, and when the side wall of the supporting mechanism 7 slides, the side wall of the movable buckle 6 can be driven to rotate, so that the side wall of the rotating disc 511 can be scraped.
Wherein, the inner side wall of the movable sleeve 513 is connected with the outer side wall of the rotating disc 511 in a sliding way, and the side wall of the rotating disc 511 can slide with the inner side wall of the movable sleeve 513 in the rotating process.
The side wall of the locking column 715 is slidably connected to the outer end of the sliding slot 716, and when the side wall of the sliding slot 716 is opened outward, the side wall of the locking column 715 can slide upward.
The bottom side wall of the elastic cotton 712 is slidably connected to the sliding groove 716, and the side wall of the elastic cotton 712 slides downward and is pressed to the sliding groove 716, so that the two side walls at the sliding groove 716 tend to open outward.
The working principle is as follows: when in use, as shown in fig. 1-2, when the bottom end side of the movable disc 1 is inclined downwards, the bottom side wall of the movable disc 1 presses the movable cover 101 downwards, after the top side wall of the movable cover 101 is pressed by a pressing force, the bottom side wall of the movable cover 101 presses downwards along the side wall of the supporting rod 512, and after the side wall of the supporting rod 512 is pressed by a pressing force, the side wall of the supporting rod 512 presses downwards towards the side wall of the rotating disc 511, since the supporting rod 512 is located at four positions on the top side wall of the rotating disc 511, when the side wall of the movable cover 101 presses downwards, the position is just deviated to the side edge of the supporting rod 512, a groove corresponding to the side wall of the supporting rod 512 is arranged on the side wall of the movable cover 101, so that the side wall of the supporting rod 512 rotates along with the side wall of the rotating disc 511 in a following manner during the pressing downwards, the side wall of the rotating disc 511 can slide back and forth on the inner side wall of the movable sleeve 513, impurities accumulated at the side wall of the rotating disk 511 can be removed;
as shown in fig. 1 and 3, when the top sidewall of the rotating disc 511 is pressed by a pressing force, the sidewall of the rotating disc 511 can be pressed toward the top side of the supporting mechanism 7, after the sidewall of the supporting shaft 713 is pressed downward, the sidewall of the supporting shaft 713 pushes the top end of the elastic column 711 downward, the sidewall of the elastic column 711 can drive the sidewall of the elastic cotton 712 to slide downward, the sidewall of the elastic cotton 712 can slide downward at the top sidewall of the supporting plate 714, because the top sidewall of the supporting plate 714 is provided with the sliding slot 716, the sidewall of the elastic cotton 712 is pressed at the sliding slot 716, after the sliding slot 716 is pressed to a certain degree, the sidewalls at two sides of the sliding slot 716 expand outward, at this time, the upper half section of the clamping hole at two sides of the clamping column 715 becomes loose, the sidewall of the clamping column 715 can slide upward along the clamping hole, and when the sidewall of the clamping column 715 can slide upward and downward along the sidewall of the supporting plate 714, the impurities blocked in the clamping gap can be removed outward, avoiding blockage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an avoid axis of rotation to be blocked unable rotatory lock screw arm device by piece, includes activity dish (1), its characterized in that: the utility model discloses a portable electronic device, including activity dish (1), the bottom lateral wall department through connection of activity dish (1) has movable cover (101), and the bottom through connection of activity dish (1) has support (2), and the lateral wall bottom through connection of support (2) has loose axle (3), and the lateral wall department through connection of loose axle (3) has elastic webbing (4), the bottom sliding connection of activity cover (101) has carousel mechanism (5), and the bottom lateral wall department through connection of carousel mechanism (5) has supporting mechanism (7), and the lateral wall department sliding connection of supporting mechanism (7) has the activity to detain (6), and the bottom through connection of supporting mechanism (7) has chassis (8).
2. The arm device of claim 1, wherein the arm device is configured to prevent the shaft from being jammed by debris, and further comprising: the inside of carousel mechanism (5) is including rolling disc (511), and the top lateral wall department through connection of rolling disc (511) has branch (512), and lateral wall department sliding connection of rolling disc (511) has movable sleeve (513), and the lateral wall department through connection of movable sleeve (513) has supporting band (514).
3. The arm device of claim 1, wherein the arm device is configured to prevent the shaft from being jammed by debris, and further comprising: the supporting mechanism (7) is characterized in that an elastic column (711) is arranged inside the supporting mechanism (7), a supporting shaft (713) is connected to the top end of the elastic column (711) in a penetrating mode, elastic cotton (712) is connected to the inner side wall of the elastic column (711) in a penetrating mode, a supporting disc (714) is connected to the bottom end of the elastic column (711) in a penetrating mode, a clamping column (715) is connected to the side wall of the supporting disc (714) in a penetrating mode, and a sliding groove (716) is formed in the top side wall of the supporting disc (714).
4. The arm device of claim 1, wherein the arm device is configured to prevent the shaft from being jammed by debris, and further comprising: the bottom end of the elastic band (4) is fixedly connected to the outer side wall of the supporting mechanism (7).
5. The apparatus of claim 1 or 2, wherein the apparatus comprises: the bottom side wall of the movable cover (101) is connected with the top side wall of the support rod (512) in a sliding mode.
6. The arm device of claim 5, wherein the arm device is configured to prevent the shaft from being jammed by debris, and further comprising: the bottom side wall of the movable cover (101) is provided with a groove, and the groove penetrates through the top side wall of the support rod (512).
7. The apparatus of claim 1 or 2, wherein the apparatus comprises: the top side wall of the movable buckle (6) is connected with the side wall of the rotating disc (511) in a sliding mode.
8. The arm device of claim 2, wherein the arm device is configured to prevent the shaft from being jammed by debris, and further comprising: the inner side wall of the movable sleeve (513) is connected with the outer side wall of the rotating disc (511) in a sliding mode.
9. The arm device of claim 3, wherein the arm device is configured to prevent the shaft from being jammed by debris, and further comprising: the side wall of the clamping column (715) is connected with the outer end of the sliding groove (716) in a sliding manner.
10. The arm device of claim 3, wherein the arm device is configured to prevent the shaft from being jammed by debris, and further comprising: the bottom side wall of the elastic cotton (712) is connected with the sliding groove (716) in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110566007.XA CN113386171A (en) | 2021-05-24 | 2021-05-24 | Prevent that axis of rotation from being blocked unable rotatory lock screw arm device by piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110566007.XA CN113386171A (en) | 2021-05-24 | 2021-05-24 | Prevent that axis of rotation from being blocked unable rotatory lock screw arm device by piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113386171A true CN113386171A (en) | 2021-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110566007.XA Pending CN113386171A (en) | 2021-05-24 | 2021-05-24 | Prevent that axis of rotation from being blocked unable rotatory lock screw arm device by piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113386171A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006130417A (en) * | 2004-11-05 | 2006-05-25 | Moki Seisakusho:Kk | Foreign matter entanglement preventing device of rotary mechanism |
| CN209648767U (en) * | 2018-12-24 | 2019-11-19 | 江苏拓域智能装备有限公司 | A kind of robotic manipulator joint cleaning plant |
| CN111474995A (en) * | 2020-04-08 | 2020-07-31 | 杭州齐晨贸易有限公司 | Hard disk auxiliary device for preventing built-in fan from blowing dust disorderly to clamp part crack |
| CN211940806U (en) * | 2019-12-23 | 2020-11-17 | 六安煜晟电子科技有限公司 | Pcb drill bit cleaning and maintaining workbench |
| CN112705520A (en) * | 2020-12-09 | 2021-04-27 | 吴勇 | Equipment for cleaning dust adhered to surface of rotating shaft of fan and keeping rotating speed |
-
2021
- 2021-05-24 CN CN202110566007.XA patent/CN113386171A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006130417A (en) * | 2004-11-05 | 2006-05-25 | Moki Seisakusho:Kk | Foreign matter entanglement preventing device of rotary mechanism |
| CN209648767U (en) * | 2018-12-24 | 2019-11-19 | 江苏拓域智能装备有限公司 | A kind of robotic manipulator joint cleaning plant |
| CN211940806U (en) * | 2019-12-23 | 2020-11-17 | 六安煜晟电子科技有限公司 | Pcb drill bit cleaning and maintaining workbench |
| CN111474995A (en) * | 2020-04-08 | 2020-07-31 | 杭州齐晨贸易有限公司 | Hard disk auxiliary device for preventing built-in fan from blowing dust disorderly to clamp part crack |
| CN112705520A (en) * | 2020-12-09 | 2021-04-27 | 吴勇 | Equipment for cleaning dust adhered to surface of rotating shaft of fan and keeping rotating speed |
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Application publication date: 20210914 |