CN211805577U - Grinder with safe self-braking function - Google Patents
Grinder with safe self-braking function Download PDFInfo
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- CN211805577U CN211805577U CN201921560968.4U CN201921560968U CN211805577U CN 211805577 U CN211805577 U CN 211805577U CN 201921560968 U CN201921560968 U CN 201921560968U CN 211805577 U CN211805577 U CN 211805577U
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Abstract
The utility model discloses a grinding machine with safe self-braking function, a fixed plate is fixed on one side of a grinding machine main body, a brake device is fixed on one side of the fixed plate, a power-off device is fixed on the bottom of the brake device, the power-off device is contacted with a switch of the grinding machine main body, a waste discharge device is arranged on the grinding wheel part of the grinding machine main body, the waste discharge device is connected with the grinding machine main body in a sliding way, when an unexpected condition occurs, the brake device and the power-off device work synchronously, the power-off device directly closes the power supply of the grinding machine, the brake device decelerates the grinding wheel of the grinding machine main body to force the grinding machine to stop rotating, the accidental injury is prevented from expanding again, the loss of the unexpected condition during the machining of the grinding machine is reduced, a user is protected, the safety of a machined workpiece is protected, in addition, the cleaning time is reduced.
Description
Technical Field
The utility model relates to a grinder technical field especially relates to a grinder with safe self-braking function.
Background
Bench grinders are common devices used to sharpen various knives and tools. The grinding machine has certain common requirements of a grinding machine tool, and also has the characteristics of high rotating speed, simple structure, wide application range, general manual operation and the like.
When an existing desk type grinding machine works, hand accidents of a user or workpieces are caused to be transferred into the grinding machine, the grinding machine needs to be stopped to carry out first aid at once and take out the workpieces, but the existing stopping mode is only a disconnection unit, the grinding machine cannot be directly braked, accident injury is increased, timely treatment of the user is not facilitated, and great loss is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a grinder with safe self-braking function aims at solving the grinder and can not in time shut down, can not in time brake to cause great harm to the user, and the problem of the harm of processing the work piece.
In order to achieve the above object, the utility model provides a grinder with safe self-braking function, grinder main part one side is fixed with the fixed plate, fixed plate one side is fixed with arresting gear, the arresting gear bottom is fixed with power-off device, the switch contact of power-off device and grinder main part, grinder main part emery wheel position is equipped with the waste discharge device, waste discharge device and grinder main part sliding connection.
The waste discharge device is composed of a handle and a baffle, the handle is arranged at the position of a grinding wheel shell of the main body of the grinding machine, the baffle is fixed on one side of the handle, and the baffle is connected with the main body of the grinding machine in a sliding mode.
The braking device comprises a braking cylinder, a sliding block and a connecting rod, the braking cylinder is fixed on one side of the fixing plate through a bolt, the sliding block is fixed at the output end of the braking cylinder, the sliding block is connected with the grinding machine body in a sliding mode, the connecting rod is fixed at the bottom of the sliding block, and the connecting rod is fixedly connected with the power-off device.
And a sand plate is fixed on one side of the sliding block and is positioned on one side of a grinding wheel of the main body of the grinding machine.
The power-off device is composed of a sliding rod and an extrusion block, the sliding rod is fixed on one side of the braking device, the extrusion block is fixed at one end of the sliding rod, and the extrusion block is in contact with a main switch of the grinder.
The outer surface of the sliding rod is provided with a limiting block, the limiting block is connected with the sliding rod in a sliding mode, and the limiting block is fixedly connected with a grinding machine.
The utility model discloses an abrasive machine with safe self-braking function, when the unexpected situation appears, arresting gear and outage device synchronous working, the power of abrasive machine is directly closed to outage device, arresting gear speed reduction abrasive machine main part emery wheel forces abrasive machine stall, prevent that accidental injury from expanding once more, reduce the abrasive machine and add the loss of the unexpected situation that appears in man-hour, the protection user, the safety of protection processing work piece, in addition, the collection and the discharge of waste material when being convenient for whole device through the exhaust device, reduce clean time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a side view of the present invention.
Fig. 2 is a side view partially in section of the present invention.
Fig. 3 is a front partial sectional view of the present invention.
Fig. 4 is an enlarged view of the area a in fig. 3.
1-grinder body; 2-a waste discharge device; 201-a handle; 202-a baffle; 3-a braking device; 301-brake cylinder; 302-a slider; 303-a connecting rod; 304-sand board; 4-a power-off device; 401-a slide bar; 402-a limiting block; 403-extruding blocks; and 5, fixing a plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The grinder body 1 of the utility model is not limited to the S1E-FF-125/150/200 type grinder, and can be purchased in the market.
Referring to fig. 1-4, the present invention provides a grinder with a safety self-braking function, which comprises: a grinding machine with a safe self-braking function,
the automatic waste discharge device comprises a fixed plate 5 fixed on one side of a grinder body 1, a brake device 3 fixed on one side of the fixed plate 5, a power-off device 4 fixed at the bottom of the brake device 3, wherein the power-off device 4 is in contact with a switch of the grinder body 1, a waste discharge device 2 is arranged at the grinding wheel part of the grinder body 1, the waste discharge device 2 is in sliding connection with the grinder body 1, when the grinder works in an emergency, the brake device 3 and the power-off device 4 work synchronously, the power supply of the grinder is directly turned off by the power-off device 4, the brake device 3 reduces the speed of the grinder body 1 to force the grinder to stop rotating, accidental injury is prevented from expanding again, the loss of accidental conditions during grinding of the grinder is reduced, a user is protected, the safety of a processed workpiece is protected, and in addition, the waste collection and discharge of waste materials during the grinding of the whole device are, the cleaning time is reduced.
The waste discharge device 2 is composed of a handle 201 and a baffle 202, the handle 201 is arranged at the position of a grinding wheel shell of the grinder body 1, the baffle 202 is fixed on one side of the handle 201, the baffle 202 is connected with the grinder body 1 in a sliding mode, the baffle 202 collects waste materials generated when the grinder is used for grinding, the cleaning steps of the grinder are reduced, and cleaning time is saved.
The braking device 3 is composed of a braking cylinder 301, a sliding block 302 and a connecting rod 303, the braking cylinder 301 is fixed on one side of the fixing plate 5 through a bolt, the sliding block 302 is fixed at the output end of the braking cylinder 301, the sliding block 302 is in sliding connection with the grinder body 1, the connecting rod 303 is fixed at the bottom of the sliding block 302, the connecting rod 303 is fixedly connected with the power-off device 4, when a worker's finger or a workpiece is plugged into the grinder during grinding machining of the grinder, the braking cylinder 301 is started, the braking cylinder 301 pushes the sliding block 302 to move, the sliding block 302 drives the connecting rod 303 to slide, the power-off device 4 is powered off directly by the connecting rod 303, at the moment, the sliding block 302 continues to advance, the sliding block 302 directly supports against a grinding wheel of the grinder to brake the grinding wheel, and only one grinding wheel on two sides is required, reduce property loss and personal injury, and protect users and workpieces.
The grinding wheel is characterized in that a sand plate 304 is fixed on one side of the sliding block 302, the sand plate 304 is located on one side of a grinding wheel of the grinding machine main body 1, the sliding block 302 is close to the grinding wheel, the sand plate 304 directly abuts against the grinding wheel, the speed of the grinding wheel is reduced, the coarse sand plate 304 is in contact with the grinding wheel, the friction force between the grinding wheel and the sand plate 304 is increased, the braking effect is increased, the braking time is shortened, and the loss is further reduced.
The power-off device 4 is composed of a sliding rod 401 and an extrusion block 403, the sliding rod 401 is fixed on one side of the braking device 3, the extrusion block 403 is fixed at one end of the sliding rod 401, the extrusion block 403 is in switch contact with the grinder body 1, when the braking device 3 works, the braking device 3 drives the sliding rod 401 to slide, the sliding rod 401 drives the extrusion block 403 to slide, the extrusion block 403 drives the switch to rotate, the switch is directly closed, the power supply of the grinder body 1 is disconnected, the braking device 3 is guaranteed to be smoothly implemented, and the service life of the grinder motor is prevented from being damaged due to overload.
The outer surface of the sliding rod 401 is provided with a limiting block 402, the limiting block 402 is connected with the sliding rod 401 in a sliding mode, the limiting block 402 is fixedly connected with a grinding machine, when the sliding rod 401 works in a sliding mode, the limiting block 402 plays a role in limiting the sliding rod 401 to move, and therefore the sliding rod 401 can move stably.
The utility model discloses a theory of operation and use flow: when the grinder works, the polished waste materials directly enter a protective plate of the grinder, then the sand enters the baffle 202, the baffle 202 collects the sand, after the sand is collected to a certain degree, the handle 201 is pulled to drive the baffle 202 to collect and dump the waste residues, the cleaning time is reduced, and when an emergency occurs, the braking device 3 and the power-off device 4 synchronously work, the braking cylinder 301 is started, the braking cylinder 301 pushes the sliding block 302 to move, the sliding block 302 drives the connecting rod 303 to slide, the electric power-off device 4 of the connecting rod 303 directly cuts off the power, at the moment, the sliding block 302 continues to advance, the sliding block 302 directly supports against a grinding wheel of the grinder to brake the grinding wheel, because the grinding wheels on two sides synchronously rotate, two speed reduction purposes can be achieved by only braking one grinding wheel, the grinder is forced to stop rotating, the accidental injury is prevented from expanding again, and the loss of, the protection user, the safety of protection processing work piece, connecting rod 303 drives slide bar 401 and slides simultaneously, and when slide bar 401 slides work, stopper 402 plays the effect of restriction slide bar 401 motion, is convenient for slide bar 401 more steady motion, and slide bar 401 drives extrusion piece 403 and slides, and extrusion piece 403 drives the switch and rotates, and the switch directly closes, cuts off the power of grinder main part 1, guarantees that arresting gear 3 implements smoothly, prevents the damage life-span of grinder motor overload.
The above disclosure is only a preferred embodiment of the grinder with safety self-braking function, and certainly should not be construed as limiting the scope of the invention, and persons skilled in the art can understand that all or part of the procedures for implementing the above embodiments and equivalent variations according to the claims of the invention also belong to the scope covered by the invention.
Claims (6)
1. A grinder with a safe self-braking function, which is characterized in that,
the automatic waste discharging device comprises a fixed plate fixed on one side of a grinder body, a braking device fixed on one side of the fixed plate, a power-off device fixed at the bottom of the braking device, a switch of the power-off device and the grinder body in contact, and a waste discharging device arranged on the grinding wheel part of the grinder body and connected with the grinder body in a sliding mode.
2. The grinder with the safety self-braking function as claimed in claim 1, wherein the waste discharge device is composed of a handle and a baffle, the grinder body is provided with the handle at a grinding wheel shell position, the baffle is fixed at one side of the handle, and the baffle is connected with the grinder body in a sliding mode.
3. The grinder with the safety self-braking function according to claim 1, wherein the braking device is composed of a braking cylinder, a slider and a connecting rod, the braking cylinder is fixed on one side of the fixing plate through a bolt, the slider is fixed on the output end of the braking cylinder, the slider is connected with the grinder body in a sliding manner, the connecting rod is fixed on the bottom of the slider, and the connecting rod is fixedly connected with the power-off device.
4. The grinder with the self-braking safety function as claimed in claim 3, wherein a sand plate is fixed to one side of the slider, and the sand plate is located to one side of the grinding wheel of the grinder body.
5. The grinder with the safety self-braking function as claimed in claim 1, wherein the power cut-off means is composed of a slide bar and an extruding block, the slide bar is fixed to one side of the braking means, the extruding block is fixed to one end of the slide bar, and the extruding block is in contact with a switch of the grinder body.
6. The grinder with the safety self-braking function as claimed in claim 5, wherein the outer surface of the slide bar is provided with a limiting block, the limiting block is slidably connected with the slide bar, and the limiting block is fixedly connected with the grinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560968.4U CN211805577U (en) | 2019-09-19 | 2019-09-19 | Grinder with safe self-braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560968.4U CN211805577U (en) | 2019-09-19 | 2019-09-19 | Grinder with safe self-braking function |
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| Publication Number | Publication Date |
|---|---|
| CN211805577U true CN211805577U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921560968.4U Active CN211805577U (en) | 2019-09-19 | 2019-09-19 | Grinder with safe self-braking function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842449A (en) * | 2020-12-23 | 2021-05-28 | 中国人民解放军空军军医大学 | Medical surgical drill bit |
-
2019
- 2019-09-19 CN CN201921560968.4U patent/CN211805577U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842449A (en) * | 2020-12-23 | 2021-05-28 | 中国人民解放军空军军医大学 | Medical surgical drill bit |
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