CN214110057U - Grinder with personnel protection function - Google Patents

Abstract

The utility model discloses a grinding machine with personnel protection function, which is provided with a frame, wherein the frame is provided with a first motor, both ends of the first motor are respectively provided with a transmission shaft, a grinding wheel is fixedly arranged on the transmission shaft, both ends of the first motor are respectively fixedly provided with a first protective shell, the first protective shell is connected with a second protective shell, the first protective shell is rotatably connected with the second protective shell, a protective cover is fixedly arranged between the two second protective shells, the inner wall of the protective cover is provided with a clamping groove, the first motor is provided with a second motor, the shaft of the second motor is connected with a gear, the gear is matched with the clamping groove, so that the second protective shell can rotate around the first protective shell under the action of the second motor, the second protective shell is limited by a limiting block arranged on the first protective shell, thereby covering and enclosing the grinding wheel in time, the utility model provides a current abrasive machine take place the emery wheel easily and break apart the problem that causes personnel's potential safety hazard.

Description

Grinder with personnel protection function

Technical Field

The utility model belongs to the technical field of the abrasive machine, concretely relates to abrasive machine with personnel's safeguard function.

Background

The grinder is a common equipment for sharpening various cutters and tools and also used for grinding, deburring, cleaning and other works of common small parts, mainly comprises a base, a grinding wheel, a motor or other power sources, a bracket, a protective cover, a water feeder and the like, and can be divided into a handheld grinder, a vertical grinder, a suspended grinder, a bench grinder and the like.

The structural strength of the grinding wheel of the grinding machine is greatly reduced in the long-time use process, and even the phenomenon of cracking can occur, so that serious personnel safety accidents are caused.

Disclosure of Invention

An object of the utility model is to provide a grinder with personnel safeguard function to solve current grinder and take place the emery wheel easily and break apart the problem that causes personnel's potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: a grinder with personnel protection function, wherein: the grinding wheel protection device comprises a base, a first motor is fixedly arranged on the base, transmission shafts and two grinding wheels are fixedly arranged on the transmission shafts respectively, first protection shells are fixedly arranged at the two ends of the first motor respectively, and a second protection shell is sleeved on each first protection shell.

Preferably, the first protective shell and the second protective shell are rotatably connected through a rotating shaft, and a protective cover is fixedly arranged between the second protective shell.

Preferably, the inner wall of the protective cover is provided with a clamping groove, a fixed block is fixedly arranged on the first motor, a second motor is arranged on the fixed block, and a gear is arranged on the second motor in a shaft connecting mode.

Preferably, the clamping groove is matched with the gear, the first protective shell is fixedly provided with a limiting block, and a rubber layer is arranged on one surface of the limiting block, which is in contact with the second protective shell.

Preferably, a motor power detection module is arranged in the first motor, and when the motor power detection module detects that the power of the first motor changes suddenly, the second motor is started and drives the gear to rotate.

Preferably, the bottom of the base is fixedly provided with a supporting plate, the bottom of the supporting plate is fixedly provided with a plurality of damping springs, and the bottoms of the damping springs are fixedly provided with damping boxes.

Preferably, the motor power detection module is a power meter.

The technical effects and advantages of the utility model are:

firstly, the method comprises the following steps: the utility model is provided with a frame, a first motor is arranged on the frame, both ends of the first motor are provided with transmission shafts, grinding wheels are fixedly arranged on the transmission shafts, both ends of the first motor are fixedly provided with first protective shells, the first protective shells are connected with second protective shells, the first protective shells are rotatably connected with the second protective shells, protective covers are fixedly arranged between the two second protective shells, the inner walls of the protective covers are provided with clamping grooves, the first motor is provided with a second motor, the shaft connection of the second motor is provided with gears, the gears are matched with the clamping grooves, so that the second protective shells can rotate around the first protective shells under the action of the second motor, the second protective shells are limited by a limiting block arranged on the first protective shells, thereby covering-type surrounding is carried out on the grinding wheels in time, a motor power detection module is arranged in the first motor, when the grinding wheels are cracked, first motor power takes place the sudden change, and the second motor starts this moment, drives the second protecting crust rotatory around first protecting crust, carries out the overlay type to the emery wheel and surrounds, prevents that the emery wheel piece from causing the injury to the human body.

Secondly, the method comprises the following steps: the utility model discloses be provided with the shock attenuation box under the frame, the shock attenuation box internal fixation is provided with a plurality of damping spring, the fixed backup pad that is provided with on a plurality of damping spring, backup pad and frame fixed connection make the utility model discloses have certain shock-absorbing function, improve the stability of abrasive machine work.

Thirdly, the method comprises the following steps: the utility model discloses structure safe and reliable has good market prospect.

Fourthly: the utility model discloses product property can be good, long service life.

Fifth, the method comprises the following steps: the utility model discloses convenient to use, convenient and fast.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an axonometric view of the present invention.

In the figure: 1. a protective cover; 2. a second protective shell; 3. a rotating shaft; 4. a first protective shell; 5. a limiting block; 6. a support plate; 7. a shock-absorbing box; 8. a machine base; 9. a first motor; 10. a damping spring; 11. a drive shaft; 12. a grinding wheel; 13. a card slot; 14. a gear; 15. a second motor; 16. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 3 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a grinder with personnel safeguard function as shown in fig. 1-3, wherein: the grinding wheel grinding machine comprises a machine base 8, wherein a first motor 9 is fixedly arranged on the machine base 8, shafts at two ends of the first motor 9 are respectively and fixedly connected with a transmission shaft 11, grinding wheels 12 are respectively and fixedly arranged on the two transmission shafts 11, first protective shells 4 are respectively and fixedly arranged at two ends of the first motor 9, second protective shells 2 are respectively sleeved on the two first protective shells 4, the first protective shells 4 are rotatably connected with the second protective shells 2 through rotating shafts 3, a protective cover 1 is fixedly arranged between the two second protective shells 2, a clamping groove 13 is formed in the inner wall of the protective cover 1, a fixed block 16 is fixedly arranged on the first motor 9, a second motor 15 is arranged on the fixed block 16, a gear 14 is arranged on the shaft of the second motor 15 in a matched mode, a limiting block 5 is fixedly arranged on the first protective shell 4, the rubber layer is arranged on the side, in contact with the second protective shell 2, of the limiting block 5, so that the impact force generated when the second protective shell 2 is in contact with the limiting block 5 is reduced.

Further, be provided with motor power detection module in the first motor 9, when motor power detection module detected first motor 9 power and takes place the sudden change, second motor 15 starts and drive gear 14 rotates, and this embodiment motor power detection module selects the dynamometer, and when emery wheel 12 takes place to burst, the dynamometer detects first motor 9 power and takes place the sudden change, and dynamometer control second motor 15 starts, drives second protecting crust 2 rotatory around first protecting crust 4, carries out the overlay type to emery wheel 12 and surrounds, prevents that emery wheel 12 piece from causing the injury to the human body.

Further, the fixed backup pad 6 that is provided with in bottom of frame 8, the fixed a plurality of damping spring 10 that are provided with in bottom of backup pad 6, it is a plurality of damping spring 10's the fixed damping box 7 that is provided with in bottom, make the utility model discloses have certain shock-absorbing function, improve the stability of emery wheel 12 machine work.

The utility model discloses a theory of operation does:

the utility model is provided with a frame 8, a first motor 9 is arranged on the frame 8, two ends of the first motor 9 are both provided with a transmission shaft 11, a grinding wheel 12 is fixedly arranged on the transmission shaft 11, two ends of the first motor 9 are both fixedly provided with a first protective shell 4, the first protective shell 4 is connected with a second protective shell 2, the first protective shell 4 is rotatably connected with the second protective shell 2, a protective cover 1 is fixedly arranged between the two second protective shells 2, the inner wall of the protective cover 1 is provided with a clamping groove 13, the first motor 9 is provided with a second motor 15, the shaft of the second motor 15 is connected with a gear 14, the gear 14 is matched with the clamping groove 13, so that the second protective shell 2 can rotate around the first protective shell 4 under the action of the second motor 15, the second protective shell 2 is limited by a limit block 5 arranged on the first protective shell 4, thereby covering and enclosing the grinding wheel 12 in time, be provided with motor power detection module in the first motor 9, when emery wheel 12 takes place to burst, the sudden change takes place for first motor 9 power, and second motor 15 starts this moment, drives second protecting crust 2 rotatory around first protecting crust 4, carries out the overlay type to emery wheel 12 and surrounds, prevents that the 12 pieces of emery wheel from causing the injury to the human body.

The utility model discloses be provided with damping box 7 under frame 8, damping box 7 internal fixation is provided with a plurality of damping spring 10, and a plurality of damping spring 10 go up the fixed backup pad 6 that is provided with, backup pad 6 and frame 8 fixed connection make the utility model discloses have certain shock-absorbing function, improve the stability of emery wheel 12 machine work.

In summary, the following steps: the utility model provides a current abrasive machine take place the emery wheel easily and break apart the problem that causes personnel's potential safety hazard.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a grinder with personnel safeguard function which characterized in that: the grinding machine comprises a machine base (8), wherein a first motor (9) is fixedly arranged on the machine base (8), transmission shafts (11) and two grinding wheels (12) are fixedly arranged on the transmission shafts (11) at two ends of the first motor (9), first protective shells (4) and two second protective shells (2) are fixedly arranged at two ends of the first motor (9) respectively and sleeved on the first protective shells (4).

2. The grinder with personnel protection function as claimed in claim 1, wherein: the first protective shell (4) is rotatably connected with the second protective shell (2) through a rotating shaft (3), and a protective cover (1) is fixedly arranged between the second protective shell (2).

3. The grinder with personnel protection function as claimed in claim 2, characterized in that: the inner wall of the protective cover (1) is provided with a clamping groove (13), a fixing block (16) is fixedly arranged on the first motor (9), a second motor (15) is arranged on the fixing block (16), and a gear (14) is arranged on the second motor (15) in a shaft connecting mode.

4. The grinder with personnel protection function as claimed in claim 3, wherein: the clamping groove (13) is matched with the gear (14), the first protective shell (4) is fixedly provided with a limiting block (5), and a rubber layer is arranged on one surface, in contact with the second protective shell (2), of the limiting block (5).

5. The grinder with personnel protection function as claimed in claim 4, wherein: a motor power detection module is arranged in the first motor (9), and when the motor power detection module detects that the power of the first motor (9) changes suddenly, the second motor (15) is started and drives the gear (14) to rotate.

6. The grinder with personnel protection function as claimed in claim 3, wherein: the bottom of frame (8) is fixed and is provided with backup pad (6), the bottom of backup pad (6) is fixed and is provided with a plurality of damping spring (10), and is a plurality of damping spring (10)'s bottom is fixed and is provided with shock attenuation box (7).

7. The grinder with personnel protection function as claimed in claim 5, wherein: the motor power detection module is a power meter.

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