CN217434051U

CN217434051U - Safety self-braking device of high-reliability grinding machine

Info

Publication number: CN217434051U
Application number: CN202221521950.5U
Authority: CN
Inventors: 王洪宝
Original assignee: Dalian Huaye Hardware Products Co ltd
Current assignee: Dalian Huaye Hardware Products Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-09-16
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a safe self-braking device of high reliability abrasive machine, which comprises a housin, the inner wall of casing is equipped with arrestment mechanism, arrestment mechanism includes the second round bar, and is a plurality of the second round bar all rotates with the casing through the bearing and links to each other, and is a plurality of the equal rigid coupling of outer wall of second round bar has cam and second sheave, and is a plurality of the second sheave passes through the belt activity and links to each other. This safe self-braking device of high reliability abrasive machine, the motor of connecting external power source is followed through a second round bar in the arrestment mechanism rotates, when a second round bar rotates, a plurality of first sheaves of accessible, the drive of second sheave and belt, drive a plurality of second round bars and the cam that corresponds and carry out synchronous rotation, when the cam rotates, drive the body of rod and the block that correspond and move to the outer wall of emery wheel, and then through the synchronous motion of three block, carry out many places contact to the emery wheel, and then improve the braking effect to the emery wheel.

Description

Safety self-braking device of high-reliability grinding machine

Technical Field

The utility model relates to a grinder technical field specifically is a safe self-actuating device of high reliability grinder.

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.

For example, the patent numbers are: CN215547813U, the safe self-braking device of high reliability abrasive machine, the utility model discloses a set up push rod, extrusion piece, solenoid valve and controller, utilize the interact between them to can realize that the autobrake braking is effectual, be fit for extensively using widely, though it can carry out good braking to the emery wheel, nevertheless have extrusion piece quantity to be two, the limited problem of braking effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe self-actuating device of high reliability abrasive machine to it is two to propose its extrusion piece quantity in solving above-mentioned background art, the limited problem of braking effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safe self-braking device of high reliability abrasive machine, includes the casing, the inner wall of casing is equipped with arrestment mechanism, arrestment mechanism includes the second round bar, and is a plurality of the second round bar all rotates with the casing through the bearing and links to each other, and is a plurality of the equal rigid coupling of outer wall of second round bar has cam and second sheave, and is a plurality of the second sheave passes through the belt activity and links to each other, and is a plurality of the one end of cam is all laminated with the body of rod, and is a plurality of the equal clearance fit of outer wall of the body of rod has the sleeve, and is a plurality of the equal rigid coupling of sleeve in the one end of casing, and is a plurality of the equal clearance fit of outer wall of the body of rod has the spring, the both ends of spring rigid coupling respectively in the outer wall of the body of rod and the inner wall of casing, and is a plurality of the equal rigid coupling of one end of the body of rod has the block.

Preferably, it is a plurality of the equal rigid coupling of one end of the body of rod has the sliding sleeve, and is a plurality of the inner wall of sliding sleeve all slides and links to each other has the slide bar, and is a plurality of the equal rigid coupling of slide bar is in the inner wall of casing.

Preferably, the inner wall of the shell is rotatably connected with a plurality of first round rods through bearings, the outer walls of the first round rods are fixedly connected with first grooved wheels, and the first grooved wheels are movably connected with a belt.

Preferably, the front end face of the shell is provided with a motor, and the output end of the motor is fixedly connected with the front end face of the second round rod at one end.

Preferably, the rear end face of the shell is fixedly connected with a machine body, and the front end face of the machine body is provided with a grinding wheel.

Compared with the prior art, the beneficial effects of the utility model are that: this safe self-braking device of high reliability abrasive machine, the motor of connecting external power supply is followed through a second round bar among the arrestment mechanism and is rotated, when a second round bar rotates, a plurality of first sheaves of accessible, the drive of second sheave and belt, drive a plurality of second round bars and the cam that corresponds and carry out synchronous rotation, when the cam rotates, drive the body of rod and the block that correspond and move to the outer wall of emery wheel, and then through the synchronous motion of three block, carry out many places contact to the emery wheel, and then improve the braking effect to the emery wheel.

Drawings

FIG. 1 is a schematic view of the connection relationship of the present invention;

FIG. 2 is a schematic cross-sectional view of the safety self-braking device of the high reliability grinder;

FIG. 3 is a schematic view of the second circular rod, cam and rod of FIG. 2;

fig. 4 is a schematic structural view of the housing, the first round bar and the first sheave of fig. 2.

In the figure: 1. the device comprises a shell, 2, a motor, 3, a sliding sleeve, 4, a sliding rod, 5, a first round rod, 6, a first grooved wheel, 7, a machine body, 8, a braking mechanism, 801, a second round rod, 802, a cam, 803, a rod body, 804, a sleeve, 805, a spring, 806, a block body, 807, a second grooved wheel, 808, a belt, 9, a contact mechanism, 901, a rubber pad, 902, a bolt, 10 and a grinding wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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.

Referring to fig. 1-4, the present invention provides a technical solution: a safe self-braking device of a high-reliability grinding machine comprises a shell 1, a braking mechanism 8 is arranged on the inner wall of the shell 1, the braking mechanism 8 comprises a second round rod 801, a plurality of second round rods 801 are rotatably connected with the shell 1 through bearings, cams 802 and second grooved wheels 807 are fixedly connected with the outer walls of the plurality of second round rods 801, the second round rods 801 can drive corresponding cams 802 and second grooved wheels 807 to rotate, the plurality of second grooved wheels 807 are movably connected with each other through belts, a rod body 803 is attached to one end of each of the plurality of cams 802, the cams 802 can drive the rod body 803 to move towards a grinding wheel 10, sleeves 804 are in clearance fit with the outer walls of the plurality of rod bodies 803, the sleeves 804 are fixedly connected with one end of the shell 1, springs 805 are in clearance fit with the outer walls of the plurality of rod bodies 803, the springs 805 give force to the rod bodies 803 to move into the shell 1, and two ends of the springs 805 are respectively fixedly connected with the outer walls of the rod bodies and the inner wall of the shell 1, one end of each of the plurality of rods 803 is fixedly connected with a block 806, one end of each of the plurality of rods 803 is fixedly connected with a sliding sleeve 3, the inner walls of the plurality of sliding sleeves 3 are slidably connected with a sliding rod 4, the sliding sleeves 3 are slidably connected with the sliding rods 4, the sliding sleeves 3 can guide the movement of the rods 803, so as to improve the force of the rods 803 driving the block 806 to be stably attached to the grinding wheel 10, the plurality of sliding rods 4 are fixedly connected to the inner wall of the shell 1, the inner wall of the shell 1 is rotatably connected with a plurality of first round rods 5 through bearings, the outer wall of each of the plurality of first round rods 5 is fixedly connected with a first grooved pulley 6, the plurality of first grooved pulleys 6 are movably connected with a belt 808, the front end face of the shell 1 is provided with a motor 2, the output end of the motor 2 is fixedly connected with the front end face of a second round rod 801 at one end, the rear end face of the shell 1 is fixedly connected with a machine body 7, the machine body 7 is a grinding wheel 10, the front end face of the grinding wheel 7 is provided with the motor 2 connected with an external power supply through a second round rod 801, when a second round bar 801 rotates, a plurality of second round bars 801 and corresponding cams 802 are driven to synchronously rotate by the drive of a plurality of first sheaves 6, a second sheave 807 and a belt 808, and when the cams 802 rotate, corresponding bar bodies 803 and block bodies 806 are driven to move towards the outer wall of the grinding wheel 10, so that the grinding wheel 10 is in contact with a plurality of places through the synchronous movement of the three block bodies 806, and the braking effect on the grinding wheel 10 is improved.

One end of a plurality of blocks 806 all is equipped with contact mechanism 9, and contact mechanism 9 includes rubber pad 901, and a plurality of rubber pads 901 laminate respectively in the one end of a plurality of blocks 806, and a plurality of rubber pads 901 all link to each other with the block 806 screw thread that corresponds through two bolts 902, are used for improving the braking of block 806 to emery wheel 10 through rubber pad 901, and bolt 902 is used for rubber pad 901 to change, keeps the braking efficiency to emery wheel 10.

When the safe self-braking device of the high-reliability grinding machine is used, a second round rod 801 rotates along with a motor 2 connected with an external power supply, when the second round rod 801 rotates, the second round rod 801 drives a plurality of second round rods 801 and corresponding cams 802 to synchronously rotate through a plurality of first sheaves 6 and second sheaves 807 as well as a belt 808, when the cams 802 rotate, corresponding rod bodies 803 and block bodies 806 are driven to move towards the outer wall of the grinding wheel 10, further, the grinding wheel 10 is in multi-contact through the synchronous movement of the three block bodies 806, further, the braking effect of the grinding wheel 10 is improved, the blocks 806 can be braked by the grinding wheel 10 through the rubber pads 901, the bolts 902 are used for replacing the rubber pads 901, and the braking efficiency of the grinding wheel 10 is kept.

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

1. The utility model provides a safe self-actuating device of high reliability abrasive machine, includes casing (1), its characterized in that: the inner wall of the shell (1) is provided with a braking mechanism (8), the braking mechanism (8) comprises a second round rod (801), the second round rods (801) are connected with the shell (1) in a rotating mode through bearings, a plurality of cams (802) and second grooved wheels (807) are fixedly connected to the outer wall of each second round rod (801), the second grooved wheels (807) are movably connected through a belt (808), a plurality of rod bodies (803) are attached to one end of each cam (802), sleeves (804) are in clearance fit with the outer wall of each rod body (803), the sleeves (804) are fixedly connected to one end of the shell (1), and springs (805) are in clearance fit with the outer wall of each rod body (803), the both ends of spring (805) rigid coupling respectively in the outer wall of the body of rod (803) and the inner wall of casing (1), it is a plurality of the equal rigid coupling of one end of the body of rod (803) has block (806).

2. The safety self-braking device of a high reliability grinder as claimed in claim 1, wherein: a plurality of the equal rigid coupling of one end of the body of rod (803) has sliding sleeve (3), and is a plurality of the inner wall of sliding sleeve (3) all slides and links to each other slide bar (4), and is a plurality of the equal rigid coupling of slide bar (4) is in the inner wall of casing (1).

3. The safety self-braking device of a high reliability grinder as claimed in claim 1, wherein: the inner wall of the shell (1) is rotatably connected with a plurality of first round rods (5) through bearings, the outer walls of the first round rods (5) are fixedly connected with first grooved wheels (6), and the first grooved wheels (6) are movably connected with a belt (808).

4. The safety self-braking device of a high reliability grinder as claimed in claim 1, wherein: the motor (2) is installed to the preceding terminal surface of casing (1), the output of motor (2) links to each other with second round bar (801) preceding terminal surface rigid coupling of one end.

5. The safety self-braking device of a high reliability grinder as claimed in claim 1, wherein: the rear end face of the shell (1) is fixedly connected with a machine body (7), and the front end face of the machine body (7) is provided with a grinding wheel (10).