CN213258882U

CN213258882U - Safety device for preventing upper grinding disc of grinding machine from falling

Info

Publication number: CN213258882U
Application number: CN202021579047.5U
Authority: CN
Inventors: 宁富生
Original assignee: Sakou Electronic Machinery Shanghai Co ltd
Current assignee: Sakou Electronic Machinery Shanghai Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-05-25
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a safety device for preventing an abrasive disk on a grinding machine from falling, which comprises two vertical supports, wherein the vertical supports are provided with two vertical supports which are arranged side by side, the inner sides of the two vertical supports are provided with connecting frames, an anti-falling ring is fixed between the two connecting frames, the anti-falling ring comprises a ring body and a groove ring arranged on the inner wall of the ring body, the anti-falling ring is internally provided with an anti-falling disk, the anti-falling disk comprises a large disk inserted into the groove ring, the middle part of the anti-falling disk is fixedly inserted with a rotating shaft, the lower end of the rotating shaft is fixedly provided with a mounting disk, the lower surface of the mounting disk is fixedly provided with a main body of the abrasive disk, springs are fixed between the mounting disk and the two sides of the large disk, the abrasive disk and the anti-falling ring of the device are connected by the springs, when the abrasive disk rotates, the springs also rotate along, once the grinding disc falls off downwards, the spring is stretched, and the spring pulls the grinding disc, so that the grinding disc can be prevented from falling.

Description

Safety device for preventing upper grinding disc of grinding machine from falling

Technical Field

The utility model relates to a grind machine technical field, specifically be a safety device that is used for grinding machine to prevent to go up abrasive disc and drops.

Background

The existing grinding machine generally adopts a grinding disc to grind, the lower end of the air cylinder is adopted by the structure of the existing grinding machine to install the motor, the lower end of the motor is provided with a rotating shaft, the rotating shaft drives the grinding disc to rotate, in order to avoid the air cylinder from dropping due to unstable air pressure, the existing rope body is adopted to hoist the grinding disc, but the mode can lead to the rotation of the rotating shaft driven by the motor, the lifting rope is easy to wind, and the rotation of the rotating shaft is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety device for grinding machine is prevented going up abrasive disc and is dropped to current adoption rope body hangs the abrasive disc among the solution prior art, but this kind of mode can lead to when the motor drives the pivot and rotates, and the lifting rope twines easily, influences pivot pivoted problem.

In order to achieve the above object, the utility model provides a following technical scheme: a safety device for preventing an upper grinding disc of a grinding machine from falling comprises two vertical supports, and the two vertical brackets are arranged side by side, the inner sides of the two vertical brackets are provided with connecting frames, an anti-falling ring is fixed between the two connecting frames, the anti-falling ring comprises a ring body and a groove ring arranged on the inner wall of the ring body, an anti-falling disc is arranged inside the anti-falling ring, the anti-falling disc comprises a large disc inserted into the groove ring and a small disc arranged above the large disc, a rotating shaft is fixedly inserted into the middle part of the anti-falling disc, a mounting disc is fixed at the lower end of the rotating shaft, a grinding disc main body is fixed on the lower surface of the mounting disc, a spring is fixed between the mounting disc and the two sides of the large disc, and the inside cover of spring is equipped with the montant, the upper end of montant passes the upper surface of small dish, and the upper end of montant is fixed with the limiting plate.

Preferably, a transverse bracket is installed between the upper ends of the vertical brackets, a telescopic cylinder is embedded in the middle of the transverse bracket, and a grinding motor is arranged at the upper end of the rotating shaft.

Preferably, the lower end of the piston rod of the telescopic cylinder is fixed with the upper surface of the grinding motor.

Preferably, the large disc is rotatably connected with the groove ring through a bearing, and the small disc is rotatably connected with the ring body through a bearing.

Preferably, the lower end of the vertical rod is welded with the upper surface of the mounting disc, and the vertical rod is in clearance fit with the anti-falling disc.

Preferably, the mounting disc is connected with the grinding disc main body through bolts.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when the abrasive disc main part rotates, prevent weighing down the dish and also can take place to rotate because the connection effect of montant, this device abrasive disc and prevent weighing down adopt spring coupling between the ring, when the abrasive disc rotates, the spring also rotates thereupon, under the unstable condition of atmospheric pressure of telescoping cylinder, in case the abrasive disc drops downwards, the spring is stretched this moment, and then the abrasive disc is held to the spring, can avoid the abrasive disc to drop, can not influence the pivot yet and twined.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is an exploded view of the present invention without the bracket installed;

fig. 3 is an installation schematic diagram of the installation plate of the present invention.

In the figure: 1. a vertical support; 2. a transverse bracket; 3. a telescopic cylinder; 4. a connecting frame; 5. grinding the motor; 6. an anti-falling plate; 61. a small disc; 62. a large plate; 7. an anti-falling ring; 71. a ring body; 72. a groove ring; 8. a vertical rod; 9. a spring; 10. a grinding disk main body; 11. mounting a disc; 12. a limiting plate; 13. a rotating shaft.

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, in an embodiment of the present invention, a safety device for preventing an upper grinding disc of a grinding machine from dropping includes two vertical supports 1, the two vertical supports 1 are arranged side by side, a horizontal support 2 is installed between the upper ends of the vertical supports 1, the vertical supports 1 and the horizontal support 2 play a supporting role, a telescopic cylinder 3 is embedded in the middle of the horizontal support 2, a grinding motor 5 is fixed at the lower end of a piston rod of the telescopic cylinder 3, a rotating shaft 13 is fixed at the lower end of a power output end of the grinding motor 5, the telescopic cylinder 3 can drive the grinding motor 5 and the rotating shaft 13 to move up and down, and the grinding motor 5 can drive the rotating shaft 13 to rotate;

referring to fig. 1 and 3, a mounting plate 11 is fixed at the lower end of a rotating shaft 13, a grinding plate main body 10 is fixed on the lower surface of the mounting plate 11, the mounting plate 11 is connected with the grinding plate main body 10 through a bolt, the rotating shaft 13 can drive the mounting plate 11 and the grinding plate main body 10 to rotate, and grinding can be performed when the grinding plate main body 10 rotates;

referring to fig. 1 and 2, the connecting frames 4 are mounted on the inner sides of the two vertical supports 1, the anti-falling ring 7 is fixed between the two connecting frames 4, the anti-falling ring 7 comprises a ring body 71 and a groove ring 72 arranged on the inner wall of the ring body 71, the anti-falling disc 6 is arranged inside the anti-falling ring 7, the anti-falling disc 6 comprises a large disc 62 inserted into the groove ring 72 and a small disc 61 arranged above the large disc 62, the large disc 62 is rotatably connected with the groove ring 72 through a bearing, the small disc 61 is rotatably connected with the ring body 71 through a bearing, and the large disc 62 is positioned inside the groove ring 72, so that the anti-falling disc 6 can be prevented from falling off the anti-falling ring 7;

referring to fig. 1, 2 and 3, a spring 9 is fixed between two sides of a mounting plate 11 and a large plate 62, a vertical rod 8 is sleeved inside the spring 9, the upper end of the vertical rod 8 penetrates through the upper surface of a small plate 61, a limiting plate 12 is fixed at the upper end of the vertical rod 8, the lower end of the vertical rod 8 is welded to the upper surface of the mounting plate 11, the vertical rod 8 is in clearance fit with a falling prevention plate 6, when the telescopic cylinder 3 extends, a rotating shaft 13 moves downwards to drive the mounting plate 11 and a grinding plate main body 10 to move downwards, the falling prevention plate 6 and the mounting plate 11 are relatively displaced, the spring 9 is stretched, the telescopic cylinder 3 is unstable in air pressure, the spring 9 can prevent the grinding plate main body 10 from falling, and when the grinding plate main body 10 rotates, the vertical rod 8 can drive the falling prevention plate 6 to rotate inside a falling prevention ring 7.

The utility model discloses a theory of operation and use flow: when the device is used, the telescopic cylinder 3 extends, so that the grinding motor 5 can drive the rotating shaft 13 to move downwards, the rotating shaft 13 can drive the mounting plate 11 and the grinding plate main body 10 to move downwards, the rotating shaft 13 and the anti-falling plate 6 generate relative displacement, the grinding motor 5 can drive the rotating shaft 13 to rotate by rotating, the rotating shaft 13 can drive the grinding plate main body 10 to rotate, the grinding plate main body 10 can carry out grinding operation, and the grinding plate main body 10 can drive the anti-falling plate 6 to rotate inside the anti-falling ring 7 through the vertical rod 8;

once the air pressure of the telescopic cylinder 3 is unstable, the grinding disk main body 10 moves downwards due to the self-weight, and at the moment, the spring 9 can be stretched, but the grinding disk main body 10 cannot fall.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety device for preventing the falling of the grinding disk of a grinding machine, comprising a vertical support (1), characterized in that: the anti-falling device is characterized in that two vertical supports (1) are arranged, the two vertical supports (1) are arranged side by side, two connecting frames (4) are installed on the inner sides of the vertical supports (1), two anti-falling rings (7) are fixed between the connecting frames (4), each anti-falling ring (7) comprises a ring body (71) and a groove ring (72) arranged on the inner wall of the ring body (71), each anti-falling ring (7) is internally provided with an anti-falling disc (6), each anti-falling disc (6) comprises a large disc (62) inserted into the groove ring (72) and a small disc (61) arranged above the large disc (62), a rotating shaft (13) is inserted and fixed in the middle of each anti-falling disc (6), a mounting disc (11) is fixed at the lower end of the rotating shaft (13), a grinding disc main body (10) is fixed on the lower surface of the mounting disc (11), and springs (9) are fixed between the two sides of the mounting disc (11) and the, and the inside cover of spring (9) is equipped with montant (8), the upper surface of trails (61) is passed to the upper end of montant (8), and the upper end of montant (8) is fixed with limiting plate (12).

2. A safety device for a grinding machine against falling of the grinding disc according to claim 1, characterized in that: install horizontal stand (2) between the upper end of erecting support (1), the middle part embedding of horizontal stand (2) has telescoping cylinder (3), the upper end of pivot (13) is provided with grinding motor (5).

3. A safety device for a grinding machine against falling of the grinding disc according to claim 2, characterized in that: the lower end of a piston rod of the telescopic cylinder (3) is fixed with the upper surface of the grinding motor (5).

4. A safety device for a grinding machine against falling of the grinding disc according to claim 1, characterized in that: the large disc (62) is rotatably connected with the groove ring (72) through a bearing, and the small disc (61) is rotatably connected with the ring body (71) through a bearing.

5. A safety device for a grinding machine against falling of the grinding disc according to claim 1, characterized in that: the lower end of the vertical rod (8) is welded with the upper surface of the mounting disc (11), and the vertical rod (8) is in clearance fit with the anti-falling disc (6).

6. A safety device for a grinding machine against falling of the grinding disc according to claim 1, characterized in that: the mounting disc (11) is connected with the grinding disc main body (10) through bolts.