CN109894938A - A kind of main board for notebook computer hole location grinding device - Google Patents

A kind of main board for notebook computer hole location grinding device Download PDF

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Publication number
CN109894938A
CN109894938A CN201910257317.6A CN201910257317A CN109894938A CN 109894938 A CN109894938 A CN 109894938A CN 201910257317 A CN201910257317 A CN 201910257317A CN 109894938 A CN109894938 A CN 109894938A
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CN
China
Prior art keywords
sliding block
main board
notebook computer
polishing case
hole location
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910257317.6A
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Chinese (zh)
Inventor
张益彰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ju Hao (chongqing) Science And Technology Co Ltd
Original Assignee
Ju Hao (chongqing) Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ju Hao (chongqing) Science And Technology Co Ltd filed Critical Ju Hao (chongqing) Science And Technology Co Ltd
Priority to CN201910257317.6A priority Critical patent/CN109894938A/en
Publication of CN109894938A publication Critical patent/CN109894938A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of main board for notebook computer hole location grinding devices; including the case, electric telescopic rod, workbench, electric cylinder of polishing; the electric telescopic rod is installed inside the polishing case; the electric telescopic rod is fixedly arranged above the workbench; the workbench is fixedly arranged above the electric cylinder; the electric cylinder side is equipped with clamping plate; the clamping plate is fixed with neonychium far from the side of the electric cylinder; sliding slot is provided on the polishing case; first electronic sliding block is installed, the quantity of the first electronic sliding block is two inside the sliding slot.The present invention passes through setting air blower, horizontal pipeline and filter device, the clast generated in bruting process can be collected, it ensure that in polishing case always in clean state, pass through the first electronic sliding block of setting and the second electronic sliding block, the position of grinding head is arbitrarily adjusted, is brought great convenience to polishing work.

Description

A kind of main board for notebook computer hole location grinding device
Technical field
The present invention relates to grinding device technical field, specifically a kind of main board for notebook computer hole location grinding device.
Background technique
Notebook mainboard is various hardware transport data in laptop, information " viaduct ", it connects and incorporates Video card, memory, the various hardware such as CPU keep it mutually indepedent and are organically combined together, and Each performs its own functions, maintains computer jointly Normal operation.Notebook pursues portability, and volume and weight has stringenter control, therefore with desktop computer difference, pen Remember that this mainboard integrated level is very high, design layout is also very accurate compact.
Main board for notebook computer needs to polish to its hole location in production, but present main board for notebook computer hole Grinding head in the grinding device of position can not move around, and have significant limitation, and the clast meeting for generation of polishing when polishing Remain in polishing case, cleaning is got up very inconvenient, it is therefore desirable to further on this basis to be improved.
Summary of the invention
The object of the present invention is to provide a kind of main board for notebook computer hole location grinding devices, to solve to propose in above-mentioned background Present main board for notebook computer hole location grinding device in grinding head can not move around, there is when polishing great limitation Property, and the clast for generation of polishing can remain in polishing case, clear up very inconvenient problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of main board for notebook computer hole location grinding device, including polishing case, electric telescopic rod, workbench, electric cylinder, it is described The electric telescopic rod is installed inside polishing case, the electric telescopic rod is fixedly arranged above the workbench, the workbench It is fixedly arranged above the electric cylinder, the electric cylinder side is equipped with clamping plate, and the clamping plate is far from the electric cylinder Side is fixed with neonychium, is provided with sliding slot on the polishing case, is equipped with the first electronic sliding block inside the sliding slot, and described The quantity of one electronic sliding block is two, and slide bar is equipped between two first electronic sliding blocks, is equipped on the outside of the slide bar Second electronic sliding block, the second electronic sliding block lower section is welded with connecting rod, is fixed with protective shell below the connecting rod, described Motor is installed inside protective shell, mounting base is provided with below the protective shell, grinding head is fixed in the mounting base, it is described Polishing box top is equipped with horizontal pipeline, is provided with gas outlet below the horizontal pipeline, the polishing case front passes through hinge Hermatic door is installed, the polishing case side is fixed with air blower, is provided with controller, the controller below the air blower Model XMZ-22, the polishing case lower section are fixed with collecting box, through-hole, the collecting box two sides are provided on the collecting box Escape pipe is installed, is fixed with filter device inside the collecting box, the filter device includes drawer, filter screen, limited block, The drawer bottom is equipped with the filter screen, is provided with the limited block below the drawer, the air blower, described electronic Telescopic rod, the motor, the first electronic sliding block, the second electronic sliding block and the electric cylinder and controller electricity Connection.
Further, the air blower is connected by screw to the polishing case, and the gas outlet takes shape in the transverse direction Pipeline, the quantity of the gas outlet are 11, and the distance between two neighboring described gas outlet is 4.4cm.
Further, the shape of the slide bar is cylindrical body, and the diameter of cylindrical body is 3.5cm, and material is that martensite is stainless Steel.
Further, the motor is connected by screw to the protective shell, and the protective shell material is magnesium alloy.
Further, the clamping plate and the electric cylinder weld, and the clamping plate material is hard alloy, the neonychium Nian Jie with the clamping plate, the neonychium material is natural rubber.
Further, the polishing case and the collecting box weld, and the forming through holes are in the collecting box, the through-hole Diameter be 3.5cm.
Further, the drawer is slidably connected with the limited block, and the limited block and the collecting box weld.
Technical solution provided by the invention can include the following benefits:
1, when use device, notebook mainboard is placed between two clamping plates, starts electric cylinder, electric cylinder drives clamping plate Close to each other to which mainboard be fixed, closure chamber door and then setting device operating parameter, controller bring into operation, the first electricity Movable slider drives grinding head longitudinal movement, and the second electronic sliding block drives grinding head transverse shifting, and the two collective effect is by grinding head It is moved to the top of mainboard hole location, electric motor starting drives mounting base rotation, and mounting base drives grinding head rotation, electric telescopic rod band Dynamic workbench rises, so that grinding head is contacted with hole location and polished it, air blower starts in bruting process, and air blower will Gas is transported in horizontal pipeline, is then sprayed from gas outlet, and the clast that polishing generates is blown into drawer by gas, filter screen Gas is filtered, filtered gas is filled from escape pipe discharger by setting air blower, horizontal pipeline and filtering It sets, the clast generated in bruting process can be collected, be ensure that in polishing case always in clean state;
2, by the first electronic sliding block of setting and the second electronic sliding block, the position of grinding head is arbitrarily adjusted, to polishing Work brings great convenience.
Detailed description of the invention
The drawings herein are incorporated into the specification and constitutes part of specification, shows the implementation for meeting the application Example, and together with specification it is used to explain the principle of the application.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of internal structure of main board for notebook computer hole location grinding device of the present invention;
Fig. 2 is a kind of main view of main board for notebook computer hole location grinding device of the present invention;
Fig. 3 is the structural schematic diagram of filter device in a kind of main board for notebook computer hole location grinding device of the present invention;
Fig. 4 is a kind of circuit structure flow diagram of main board for notebook computer hole location grinding device of the present invention.
In figure: 1, case of polishing;2, electric telescopic rod;3, workbench;4, electric cylinder;5, clamping plate;6, neonychium;7, sliding Slot;8, the first electronic sliding block;9, slide bar;10, the second electronic sliding block;11, connecting rod;12, protective shell;13, motor;14, it installs Seat;15, grinding head;16, air blower;17, horizontal pipeline;18, gas outlet;19, collecting box;20, through-hole;21, filter device; 2101, drawer;2102, filter screen;2103, limited block;22, escape pipe;23, hermatic door;24, controller.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to embodiment.In addition, embodiments illustrated below is not to recorded in claim Summary of the invention rise any restriction effect.In addition, the full content of composition represented by following example is not limited to as right Necessary to the solution invented documented by it is required that.
With reference to Fig. 1-Fig. 4, present embodiment provides a kind of main board for notebook computer hole location grinding device, including beats Tumbling barrel 1, electric telescopic rod 2, workbench 3, electric cylinder 4, polish case 1 inside electric telescopic rod 2, electric telescopic rod 2 are installed To drive workbench 3 to go up and down, electric telescopic rod 2 is fixedly arranged above workbench 3, and workbench 3 is to fixed electric cylinder 4, work To make platform 3 and is fixedly arranged above electric cylinder 4, for electric cylinder 4 to drive clamping plate 5 mobile, 4 side of electric cylinder is equipped with clamping plate 5, For clamping plate 5 to the notebook mainboard that is fixedly clamped, clamping plate 5 is fixed with neonychium 6 far from the side of electric cylinder 4, neonychium 6 to Mainboard safety is protected, is provided with sliding slot 7 on case 1 of polishing, movement of the sliding slot 7 to the first electronic sliding block 8 is installed inside sliding slot 7 There is the first electronic sliding block 8, the first electronic sliding block 8 is two, two first to fixed slip bar 9, the quantity of the first electronic sliding block 8 Slide bar 9 is installed, movement of the slide bar 9 to the second electronic sliding block 10 is equipped with the second electricity on the outside of slide bar 9 between electronic sliding block 8 Movable slider 10, adjusting of the second electronic sliding block 10 to 15 position of grinding head are welded with connecting rod below the second electronic sliding block 10 11, connecting rod 11 is fixed with protective shell 12 below connecting rod 11, protective shell 12 is to protect motor 13 to fix protective shell 12 It is safe, motor 13 is installed, motor 13 is provided with peace below protective shell 12 to drive grinding head 15 to rotate inside protective shell 12 Seat 14 is filled, mounting base 14 is fixed with grinding head 15, grinding head 15 is to polish to install fixed grinding head 15 in mounting base 14 Hole location, polish case 1 at the top of horizontal pipeline 17 is installed, horizontal pipeline 17 is provided with below horizontal pipeline 17 to convey gas Gas outlet 18, polishing 1 front of case are equipped with hermatic door 23 by hinge, and hermatic door 23 is to close polishing case 1,1 side of case of polishing Face is fixed with air blower 16, and controller 24 is provided with below air blower 16, is fixed with collecting box 19, collecting box below case 1 of polishing Through-hole 20 is provided on 19,19 two sides of collecting box are equipped with escape pipe 22, and escape pipe 22 is collected filtered gas is discharged Filter device 21 is fixed with inside case 19, filter device 21 includes drawer 2101, filter screen 2102, limited block 2103, drawer 2101 bottoms are equipped with filter screen 2102, and filter screen 2102 is provided with limited block 2103 filtering gas below drawer 2101, For limited block 2103 to support drawer 2101, air blower 16, electric telescopic rod 2, motor 13, the first electronic sliding block 8, second are electronic Sliding block 10 and electric cylinder 4 are electrically connected with controller 24.
Air blower 16 is connected by screw to polishing case 1, and gas outlet 18 takes shape in horizontal pipeline 17, the quantity of gas outlet 18 It is 11, the distance between two neighboring gas outlet 18 is 4.4cm, and the shape of slide bar 9 is cylindrical body, and the diameter of cylindrical body is 3.5cm, material are martensitic stain less steel, and motor 13 is connected by screw to protective shell 12, and 12 material of protective shell is magnesium alloy, Clamping plate 5 and electric cylinder 4 weld, and 5 material of clamping plate is hard alloy, and neonychium 6 is Nian Jie with clamping plate 5, and 6 material of neonychium is natural Rubber, polishing case 1 and collecting box 19 weld, and through-hole 20 takes shape in collecting box 19, and the diameter of through-hole 20 is 3.5cm, drawer 2101 It is slidably connected with limited block 2103, limited block 2103 and collecting box 19 weld.
The working principle of the invention and process for using: when use device, by notebook mainboard be placed on two clamping plates 5 it Between, start electric cylinder 4, electric cylinder 4 drives clamping plate 5 close to each other to which mainboard be fixed, then closure chamber door is set Determine device operating parameter, controller 24 brings into operation, and the first electronic sliding block 8 drives grinding head 15 to vertically move, the second electric sliding Block 10 drives 15 transverse shifting of grinding head, and grinding head 15 is moved to the top of mainboard hole location by the two collective effect, and motor 13 opens Dynamic that mounting base 14 is driven to rotate, mounting base 14 drives grinding head 15 to rotate, and electric telescopic rod 2 drives workbench 3 to rise, to make It obtains grinding head 15 to contact with hole location and polish to it, air blower 16 starts in bruting process, and air blower 16 delivers gas to cross It into pipeline 17, is then sprayed from gas outlet 18, the clast that polishing generates is blown into drawer 2101 by gas, filter screen 2102 Gas is filtered, filtered gas passes through setting air blower 16, horizontal pipeline 17 and mistake from 22 discharger of escape pipe Device 21 is filtered, the clast generated in bruting process can be collected, ensure that in polishing case 1 and be in clean state always, By the first electronic sliding block 8 of setting and the second electronic sliding block 10, the position of grinding head 15 is arbitrarily adjusted, gives polishing work It brings great convenience.
Polishing case 1 of the invention, electric telescopic rod 2, workbench 3, electric cylinder 4, clamping plate 5, neonychium 6, sliding slot 7, One electronic sliding block 8, slide bar 9, the second electronic sliding block 10, connecting rod 11, protective shell 12, motor 13, mounting base 14, grinding head 15, Air blower 16, horizontal pipeline 17, gas outlet 18, collecting box 19, through-hole 20, filter device 21, drawer 2101, filter screen 2102, Limited block 2103, escape pipe 22, hermatic door 23, controller 24 are universal standard part or portion as known to those skilled in the art Part, structure and principle are all that this technology personnel can be learnt by technical manual or be known by routine experiment method.
It should be noted that above embodiments are only to illustrate technical solution of the present invention rather than restriction technologies scheme, although The invention is described in detail with reference to the preferred embodiments by applicant, those skilled in the art should understand that, those are right The modification or equivalent replacement that technical solution of the present invention carries out, cannot be detached from the objective and range of the technical program, should all cover In scope of the invention as claimed.

Claims (7)

1. a kind of main board for notebook computer hole location grinding device, it is characterised in that: including polishing case (1), electric telescopic rod (2), Workbench (3), electric cylinder (4), the polishing case (1) is internal to be equipped with the electric telescopic rod (2), the electric telescopic rod (2) it is fixedly arranged above the workbench (3), the workbench (3) is fixedly arranged above the electric cylinder (4), the electronic gas Cylinder (4) side is equipped with clamping plate (5), and the clamping plate (5) is fixed with neonychium (6), institute far from the side of the electric cylinder (4) It states and is provided with sliding slot (7) in polishing case (1), the first electronic sliding block (8) is installed inside the sliding slot (7), described first is electronic The quantity of sliding block (8) is two, is equipped with slide bar (9) between two first electronic sliding blocks (8), on the outside of the slide bar (9) Second electronic sliding block (10) is installed, is welded with connecting rod (11), the connecting rod below the second electronic sliding block (10) (11) lower section is fixed with protective shell (12), is equipped with motor (13) inside the protective shell (12), below the protective shell (12) It is provided with mounting base (14), is fixed with grinding head (15) on the mounting base (14), transverse direction is installed at the top of the polishing case (1) Pipeline (17), horizontal pipeline (17) lower section are provided with gas outlet (18), and polishing case (1) front is equipped with by hinge Hermatic door (23), polishing case (1) side are fixed with air blower (16), are provided with controller below the air blower (16) (24), it is fixed with collecting box (19) below the polishing case (1), is provided with through-hole (20), the receipts on the collecting box (19) Header (19) two sides are equipped with escape pipe (22), are fixed with filter device (21) inside the collecting box (19), the filtering dress Setting (21) includes drawer (2101), filter screen (2102), limited block (2103), and drawer (2101) bottom is equipped with the mistake Strainer (2102) is provided with the limited block (2103) below the drawer (2101), and the air blower (16) described electronic is stretched Contracting bar (2), the motor (13), the first electronic sliding block (8), the second electronic sliding block (10) and the electric cylinder (4) it is electrically connected with the controller (24).
2. a kind of main board for notebook computer hole location grinding device according to claim 1, it is characterised in that: the air blower (16) it is connected by screw to the polishing case (1), the gas outlet (18) takes shape in the horizontal pipeline (17), the outlet The quantity of mouth (18) is 11, and the distance between two neighboring described gas outlet (18) is 4.4cm.
3. a kind of main board for notebook computer hole location grinding device according to claim 2, it is characterised in that: the slide bar (9) shape is cylindrical body, and the diameter of cylindrical body is 3.5cm, and material is martensitic stain less steel.
4. a kind of main board for notebook computer hole location grinding device according to claim 3, it is characterised in that: the motor (13) it is connected by screw to the protective shell (12), protective shell (12) material is magnesium alloy.
5. a kind of main board for notebook computer hole location grinding device according to claim 4, it is characterised in that: the clamping plate (5) it is welded with the electric cylinder (4), clamping plate (5) material is hard alloy, the neonychium (6) and the clamping plate (5) Bonding, neonychium (6) material are natural rubber.
6. a kind of main board for notebook computer hole location grinding device according to claim 5, it is characterised in that: the polishing case (1) it is welded with the collecting box (19), the through-hole (20) takes shape in the collecting box (19), and the diameter of the through-hole (20) is 3.5cm。
7. a kind of main board for notebook computer hole location grinding device according to claim 6, it is characterised in that: the drawer (2101) it is slidably connected with the limited block (2103), the limited block (2103) and the collecting box (19) are welded.
CN201910257317.6A 2019-04-01 2019-04-01 A kind of main board for notebook computer hole location grinding device Pending CN109894938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910257317.6A CN109894938A (en) 2019-04-01 2019-04-01 A kind of main board for notebook computer hole location grinding device

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Application Number Priority Date Filing Date Title
CN201910257317.6A CN109894938A (en) 2019-04-01 2019-04-01 A kind of main board for notebook computer hole location grinding device

Publications (1)

Publication Number Publication Date
CN109894938A true CN109894938A (en) 2019-06-18

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110961297A (en) * 2019-12-25 2020-04-07 徐州永腾建材有限公司 Graphite milk collecting device
CN111251173A (en) * 2020-03-13 2020-06-09 宁波米诺机床有限公司 Shaft part outer wall polishing machine tool
CN111745509A (en) * 2020-07-20 2020-10-09 刘闪闪 Metal grinding device convenient to adjust
CN111775395A (en) * 2020-07-14 2020-10-16 通达宏泰科技(苏州)有限公司 Notebook computer casing integrated into one piece system
CN112872915A (en) * 2020-12-28 2021-06-01 丹阳市金珂光学有限公司 Plane mirror processing equipment and processing method thereof
CN112894503A (en) * 2021-01-25 2021-06-04 黄段妹 Production is played with circular timber through-hole equipment of polishing to wood
CN113043090A (en) * 2021-02-26 2021-06-29 潍坊市宇宏石油机械有限公司 Multifunctional polishing equipment for processing expansion pipe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007160491A (en) * 2005-12-16 2007-06-28 Kovax Corp Abrasive tape vibrating polishing method and device
CN205237734U (en) * 2015-11-02 2016-05-18 浙江星星科技股份有限公司 A sweep light device for glass apron key hole inner wall
CN107813226A (en) * 2017-11-07 2018-03-20 无锡智谷锐拓技术服务有限公司 A kind of ceramic sanding apparatus of collectable dust waste
CN108637859A (en) * 2018-05-08 2018-10-12 利辛县鹏博机电设备有限公司 A kind of component of machine grinding device convenient for adjusting
CN208067978U (en) * 2018-03-18 2018-11-09 广州奥丁诺科技有限公司 A kind of Hardware fitting production grinding apparatus with dedusting function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007160491A (en) * 2005-12-16 2007-06-28 Kovax Corp Abrasive tape vibrating polishing method and device
CN205237734U (en) * 2015-11-02 2016-05-18 浙江星星科技股份有限公司 A sweep light device for glass apron key hole inner wall
CN107813226A (en) * 2017-11-07 2018-03-20 无锡智谷锐拓技术服务有限公司 A kind of ceramic sanding apparatus of collectable dust waste
CN208067978U (en) * 2018-03-18 2018-11-09 广州奥丁诺科技有限公司 A kind of Hardware fitting production grinding apparatus with dedusting function
CN108637859A (en) * 2018-05-08 2018-10-12 利辛县鹏博机电设备有限公司 A kind of component of machine grinding device convenient for adjusting

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110961297A (en) * 2019-12-25 2020-04-07 徐州永腾建材有限公司 Graphite milk collecting device
CN111251173A (en) * 2020-03-13 2020-06-09 宁波米诺机床有限公司 Shaft part outer wall polishing machine tool
CN111251173B (en) * 2020-03-13 2022-02-15 宁波米诺机床有限公司 Shaft part outer wall polishing machine tool
CN111775395A (en) * 2020-07-14 2020-10-16 通达宏泰科技(苏州)有限公司 Notebook computer casing integrated into one piece system
CN111745509A (en) * 2020-07-20 2020-10-09 刘闪闪 Metal grinding device convenient to adjust
CN112872915A (en) * 2020-12-28 2021-06-01 丹阳市金珂光学有限公司 Plane mirror processing equipment and processing method thereof
CN112872915B (en) * 2020-12-28 2022-05-24 丹阳市金珂光学有限公司 Plane mirror processing equipment and processing method thereof
CN112894503A (en) * 2021-01-25 2021-06-04 黄段妹 Production is played with circular timber through-hole equipment of polishing to wood
CN113043090A (en) * 2021-02-26 2021-06-29 潍坊市宇宏石油机械有限公司 Multifunctional polishing equipment for processing expansion pipe

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Application publication date: 20190618