CN207757393U - Electric grinding tool - Google Patents
Electric grinding tool Download PDFInfo
- Publication number
- CN207757393U CN207757393U CN201820030379.4U CN201820030379U CN207757393U CN 207757393 U CN207757393 U CN 207757393U CN 201820030379 U CN201820030379 U CN 201820030379U CN 207757393 U CN207757393 U CN 207757393U
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- motor
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- grinding tool
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Abstract
The utility model discloses a kind of electric grinding tools comprising：Motor, motor are equipped with motor shaft and power cord；Connecting shaft is detachably secured to the end of motor shaft；And grinding mould, it is detachably fixed and connect with connecting shaft, when electric motor starting, grind mould and rotated with motor shaft.Compared with prior art, the utility model electric grinding tool grinding is easy to operate, milling time is short, grinding precision is high, small, easy to carry and at low cost, is convenient for wide popularization and application.
Description
Technical field
The utility model belongs to milling tool field, and more specifically, the utility model is related to a kind of electric grinding tools.
Background technology
Sealing surface is the position that damage is easiest in valve, and during valve opening and closing, sealing surface can be because friction generates
Abrasion, or the effect of the medium by flowing fast through are washed away sealing surface generation, are corroded, can also be due in acid, alkali and gas or water
The effect of oxygen makes sealing surface be corroded.In addition, the sundries such as some iron filings, silt can also damage sealing surface, valves leakage is caused.
In order to eliminate valves leakage, the sealing surface of valve is generally required by milled processed.Wherein, the grinding of plane flap accounts for valve inspection
The a greater part of of workload is repaiied, difficulty is big, and quality requirement is high.
Currently, common milling tool mainly has hand lapping, is ground by the drawing horse that auxiliary tool carries out and grinder
Grinding, but all have some disadvantages.
Hand lapping is only applicable to diameter and the smaller flap of quality, and grinding technics time and effort consuming, less efficient, behaviour
Due to firmly uneven during work, it is inclined to may result in valve clack of safety valve mill；
The drawing horse grinding carried out by auxiliary tool is firmly difficult to uniformly in operation, and flap be easy to cause eccentric wear,
And manually time-consuming, human input is big, efficiency is low for rotation；
Grinder involves great expense when being ground using grinder, and is easily damaged, and operation and maintenance cost are higher, behaviour
Make it is improper easily cause flap eccentric wear, influence valve-seating quality.
In view of this, it is necessory to provide a kind of grinding operation is simple, milling time is short, grinding precision is high, it is small, take
With convenient and at low cost electric grinding tool.
Utility model content
The purpose of this utility model is that：Overcome the deficiencies of the prior art and provide that a kind of grinding operation is simple, milling time
Electric grinding tool short, grinding precision is high, small, easy to carry and at low cost.
To achieve the goals above, the utility model provides a kind of electric grinding tool, including：
Motor, motor are equipped with motor shaft and power cord；
Connecting shaft is detachably secured to the end of motor shaft；And
Mould is ground, is detachably fixed and connect with connecting shaft, when electric motor starting, mould is ground and is rotated with motor shaft.
As a kind of improvement of the utility model electric grinding tool, dust is provided between grinding mould and the motor
Baffle, the through-hole passed through for connecting shaft is offered in the middle part of dust baffle, and the size of through-hole is less than the size of grinding mould.
As a kind of improvement of the utility model electric grinding tool, shown grinding mould is oblate column, grinds mould
On be provided with sand paper.
As a kind of improvement of the utility model electric grinding tool, it is provided with speed change gear on the motor, for adjusting
The rotating speed of economize on electricity arbor.
Further include shell, shell is provided with motor bin, described as a kind of improvement of the utility model electric grinding tool
Motor is mounted in motor bin.
As a kind of improvement of the utility model electric grinding tool, the side of the motor bin is provided with grinding mould storage
Storage, the other side are provided with power supply wiring storehouse.
As a kind of improvement of the utility model electric grinding tool, power switch is provided on the shell of the shell.
As a kind of improvement of the utility model electric grinding tool, the case top lid conjunction has upper cover.
Compared with the existing technology, the utility model electric grinding tool has the following advantages：
1) grinding operation is simple, small, light weight, easy to carry；
2) reasonable for structure, low manufacture cost, to the of less demanding of operation field；
3) electric tool is used, the prior art is eliminated and is easy the inclined hidden danger of mill, greatly reduce security risk, carry simultaneously
High flap grinding quality；
4) milling time is short, efficient, grinding precision is high, is convenient for wide popularization and application.
Description of the drawings
With reference to the accompanying drawings and detailed description, to the utility model electric grinding tool and its advantageous effects into
Row is described in detail, wherein：
Fig. 1 is a kind of structural schematic diagram of the utility model electric grinding tool.
Fig. 2 is another structural schematic diagram of the utility model electric grinding tool.
Fig. 3 is the decomposition diagram of electric grinding tool shown in Fig. 2.
Reference numeral：
10- motors；100- motor shafts；102- power cords；20- connecting shafts；30- grinds mould；40- dust baffles；50- shells
Body；52- motor bins；54- grinds mould storage warehouse；56- power supply wirings storehouse；70- power switches；80- upper covers.
Specific implementation mode
In order to make the purpose of this utility model, technical solution and advantageous effects be more clear, below in conjunction with attached drawing and
Specific implementation mode, the present invention will be further described in detail.It should be understood that described in this specification specific
Embodiment is intended merely to explain the utility model, is not intended to limit the utility model.
Shown in please referring to Fig.1 to Fig.3, the utility model electric grinding tool includes：
Motor 10, motor 10 are equipped with motor shaft 100 and power cord 102；
Connecting shaft 20 is detachably secured to the end of motor shaft 100；And
Mould 30 is ground, is detachably fixed and connect with connecting shaft 20, when motor 10 starts, grinding mould 30 is with motor shaft
100 rotations.
Motor 10 includes the motor shaft 100 being detachably connected and the power cord 102 with plug, when in use, motor 10
Vertical fixed, motor shaft 100 is arranged upward, and the rotating speed of motor 10 need to meet the requirement of grinding, when the different grinding rate of needs
When, a speed change gear (not shown) can be set on motor 10, and the speed for adjusting motor 10 meets under different operating modes
The demand of grinding.
The both ends of connecting shaft 20 are adapted to motor shaft 100 and grinding mould 30 respectively, and one end of connecting shaft 20 is dismountable
Mounted on the end of motor shaft 100, when installation, one end of connecting shaft 20 is provided with open-celled structure, for engaging motor shaft 100,
The other end is directly fastened in the mounting hole of grinding mould 30, when motor operates, can ensure that grinding mould 30 will not be fallen by getting rid of.
There are one mounting holes (not shown) for the middle part setting of grinding mould 30, and setting is detachably fixed by connecting shaft 20
On the motor shaft 100 of motor 10, grinding mould 30 is oblate column.When motor operation, grinding mould 30 is with motor shaft 100
Uniform circular motion is done together, by sticking the suitable sand paper of large or fine granule (not shown) on grinding mould 30, to being ground
Mill part is ground.
Shown in Fig. 1, as a kind of preferred embodiment of the utility model, the utility model electric grinding
Tool further includes shell 50, and shell 50 is provided with the motor bin (the non-label of figure) of installation motor, and motor is fixedly mounted on motor bin
Medium position, and dust baffle 40 is provided at the top of motor bin position, the medium position setting of dust baffle 40
There are the through-hole (figure is label) passed through for connecting shaft 20, the size of through-hole to be less than the size of grinding mould 30, in grinding mould 30
When being ground operation, dust baffle 40 can stop the dust generated when grinding fall into the link position of motor and motor shaft and
Influence the normal work of motor.It is provided with power switch 70 on the shell of shell 50, the fortune of motor is controlled by power switch 70
Row.The top of shell is additionally provided with for covering the upper cover 80 for closing shell 50.
It please refers to shown in Fig. 2 and solid 3, as the preferred another embodiment of the utility model, further, shell 50
Three parts are separated into, middle section is the motor bin 52 for installing motor 10, and motor 10 is mounted on the centre position of shell 50, because
The heavier-weight of motor 10, motor 10 is fixed to the middle part of motor bin 52 will not occur big rolling when motor 10 operates
It is dynamic, by the setting of motor 10 at middle part, it is also convenient for the gravity of balance whole device, when carrying will not be sent out because weight distribution is uneven
It is raw to tilt, it is easy to carry.
When being provided with shell 50, dust baffle 40 is located at the top of motor bin 52, and the middle part of dust baffle 40 offers
The through-hole (the non-label of figure) passed through for connecting shaft 20, the size of through-hole is less than the size of grinding mould 30.With grinding mould 30 into
When row grinding operation, dust will not fall into the link position of motor 10 and motor shaft 100 and influence the normal work of motor 10, if
When setting, also needing to meet connecting shaft 20 when connecting shaft 20 operates in through-hole will not rub with dust baffle 40.
The side of motor bin 52 is provided with grinding mould storage warehouse 54, and by first partition (the non-label of figure) by motor bin
52 and grinding mould storage warehouse 54 separate, grinding mould storage warehouse 54 need to be used or spare grinding mould 30 and be connected for store
Axis 20.
The other side of motor bin 52 is provided with power supply wiring storehouse 56, and top is separated by second partition (the non-label of figure), under
Portion is connected to motor bin 52, the power cord (the non-label of figure) for storing motor 10.
Hull outside close to power supply wiring storehouse 56 is provided with power switch 70, and power switch 70 is located at the top of shell 50
Portion, the power for controlling motor 10, when needing to be ground operation, startup power supply switch 70, motor 10 drives grinding tire
Tool 30 is rotated, and after grinding operation, turns off the power switch 70.
The top of shell 50 is provided with the upper cover 80 being adapted to shell 50, and upper cover 80 can be connect by hinge with shell 50,
Raised line can be also set on the two sides of shell 50, then closed the lid of upper cover 80 on shell 50, or by the way of push-and-pull
Upper cover 80 is closed along the raised line lid on both sides on shell 50.
The course of work of the utility model electric grinding tool is：
1) the suitable sand paper of large or fine granule is sticked on grinding mould 30；
2) grinding mould 30 is mounted on by connecting shaft 20 on motor shaft 100；
3) power supply is connected, power switch 70 is pressed, part will be ground slowly close to the grinding mould 30 of rotation, pay attention to angle
With the size of dynamics, eccentric wear is avoided；
4) it is in progress according to grinding and replaces sand paper, is met the requirements until being ground part flatness.
Compared with the existing technology, the utility model electric grinding tool has the following advantages：
1) grinding operation is simple, small, light weight, easy to carry；
2) reasonable for structure, low manufacture cost, to the of less demanding of operation field；
3) electric tool is used, the prior art is eliminated and is easy the inclined hidden danger of mill, greatly reduce security risk, carry simultaneously
High flap grinding quality；
4) milling time is short, efficient, grinding precision is high, is convenient for wide popularization and application.
According to above-mentioned principle, the utility model can also carry out change and modification appropriate to above-mentioned specific implementation mode.
Therefore, the utility model is not limited to specific implementation mode disclosed and described above, some modifications to the utility model
It should also be as falling into the protection scope of the claims of the present utility model with change.In addition, although having used one in this specification
A little specific terms, these terms are merely for convenience of description, does not constitute any restrictions to the utility model.
Claims (8)
1. a kind of electric grinding tool, which is characterized in that including：
Motor, motor are equipped with motor shaft and power cord；
Connecting shaft is detachably secured to the end of motor shaft；And
Mould is ground, is detachably fixed and connect with connecting shaft, when electric motor starting, mould is ground and is rotated with motor shaft.
2. electric grinding tool according to claim 1, which is characterized in that be provided between grinding mould and the motor
Dust baffle, the through-hole passed through for connecting shaft is offered in the middle part of dust baffle, and the size of through-hole is less than the size of grinding mould.
3. electric grinding tool according to claim 2, which is characterized in that shown grinding mould is oblate column, grinding
Sand paper is provided on mould.
4. electric grinding tool according to claim 1, which is characterized in that be provided with speed change gear on the motor, use
In the rotating speed of regulation motor axis.
5. electric grinding tool according to claim 1, which is characterized in that further include shell, shell is provided with motor bin,
The motor is mounted in motor bin.
6. electric grinding tool according to claim 5, which is characterized in that the side of the motor bin is provided with grinding tire
Has storage warehouse, the other side is provided with power supply wiring storehouse.
7. electric grinding tool according to claim 5, which is characterized in that be provided with power supply on the shell of the shell and open
It closes.
8. electric grinding tool according to claim 5, which is characterized in that the case top lid conjunction has upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820030379.4U CN207757393U (en) | 2018-01-09 | 2018-01-09 | Electric grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820030379.4U CN207757393U (en) | 2018-01-09 | 2018-01-09 | Electric grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207757393U true CN207757393U (en) | 2018-08-24 |
Family
ID=63183161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820030379.4U Active CN207757393U (en) | 2018-01-09 | 2018-01-09 | Electric grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207757393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894933A (en) * | 2019-04-14 | 2019-06-18 | 肖玉忠 | A kind of portable sharpening machine |
-
2018
- 2018-01-09 CN CN201820030379.4U patent/CN207757393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894933A (en) * | 2019-04-14 | 2019-06-18 | 肖玉忠 | A kind of portable sharpening machine |
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