CN213617734U - Emergency safety mechanism of open mill - Google Patents

Abstract

The utility model discloses an urgent safety mechanism of mill, which comprises a frame, be provided with drive roll and driven voller in the frame, the pivot both ends of driven voller are rotated respectively and are connected on a slider, the frame is located the ascending both ends of axial of driven voller and is provided with a horizontal spout respectively, slider sliding connection is in horizontal spout, horizontal spout is close to and supports between one side of drive roll and the slider and presses the elastic component, be provided with stop device in the frame, stop device's output and slider joint are connected, be provided with locking device in the pivot at the both ends of drive roll, the drive roll is the scram motion through locking device, the utility model has the advantages of simple structure, the reaction is rapid, and the security is high, avoids operating personnel secondary to receive the injury.

Description

Emergency safety mechanism of open mill

Technical Field

The utility model relates to an mill field, in particular to mill's urgent safety mechanism.

Background

The open rubber mixing mill is abbreviated. The rubber factory is used for preparing plasticated rubber, mixed rubber or a rubber mixing machine with an exposed roller for hot mixing and discharging.

In the running process of an open mill, in order to obtain a high-quality rubber product, a worker is often required to cut rubber on mixing rolls, the rubber is added between the two mixing rolls again, sometimes, limbs of an operator are involved between the two mixing rolls, and the personal safety of the operator is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an urgent safety mechanism of mill to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an urgent safety mechanism of mill, includes the frame, be provided with drive roll and driven voller in the frame, the pivot both ends of driven voller rotate respectively and connect on a slider, the frame is located the ascending both ends of axial of driven voller and is provided with a horizontal spout respectively, slider sliding connection is in horizontal spout, horizontal spout is close to and supports between one side of drive roll and the slider and presses the elastic component, be provided with stop device in the frame, stop device's output and slider joint are connected, be provided with locking device in the pivot at the both ends of drive roll, the drive roll is the scram motion through locking device.

As an optimal technical scheme of the utility model, be provided with the spacing groove in the horizontal chute, be provided with on the slider with spacing groove assorted lug.

As an optimal technical scheme of the utility model, still including restoring the cylinder, the cylinder body fixed connection of restoring the cylinder is in the frame, the direction of motion and the horizontal spout of the piston rod of restoring the cylinder are in on the same water flat line.

As an optimized technical scheme of the utility model, the spout is kept away from elastic component one side and is provided with the blotter.

As a preferred technical scheme of the utility model, stop device includes spacing cylinder and fixture block, the cylinder body fixed connection of spacing cylinder is in the frame, the piston rod of spacing cylinder is connected with the fixture block, be provided with on the slider with fixture block assorted draw-in groove.

As a preferred technical scheme of the utility model, locking device includes driving piece, ratchet and pawl, ratchet fixed connection is in the pivot of drive roll, the pawl rotates to be connected in the frame, the pawl is through the driving piece do the motion of being close to or keeping away from the ratchet.

As a preferred technical scheme of the utility model, the driving piece includes the connecting rod, the middle part of connecting rod is rotated and is connected in the frame, the one end and the fixture block swing joint of connecting rod, the other end and pawl swing joint.

Compared with the prior art, the beneficial effects of the utility model are that: through stop device's output operation, remove the joint state with the slider, the slider slides in the elasticity of elastic component shrink state itself to keeping away from the drive roll direction rapidly to reach the effect that drives the driven voller and keep away from the drive roll, locking device starts simultaneously, and the rotary motion of urgent braking drive roll reaches the effect of protection operating personnel safety, has simple structure, and the reaction is rapid, and the security is high, avoids operating personnel secondary to receive the advantage of injury.

Drawings

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

fig. 2 is a sectional view of the junction between the middle slider and the horizontal sliding groove of the present invention.

In the figure: 1. a frame; 2. a drive roll; 3. a driven roller; 4. a slider; 5. a horizontal chute; 6. an elastic member; 7. a bump; 8. a limiting groove; 9. a recovery cylinder; 10. a cushion pad; 11. a limiting cylinder; 12. a clamping block; 13. a ratchet wheel; 14. a pawl; 15. a connecting rod; 16. a clamping groove.

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 and 2, the present invention provides an emergency safety mechanism of an open mill, which comprises a frame 1, wherein a driving roller 2 and a driven roller 3 are arranged on the frame 1, two ends of a rotating shaft of the driven roller 3 are respectively rotatably connected to a sliding block 4, two ends of the frame 1, which are located on an axial direction of the driven roller 3, are respectively provided with a horizontal sliding chute 5, the sliding block 4 is slidably connected in the horizontal sliding chute 5, an elastic member 6 is pressed between one side of the horizontal sliding chute 5, which is close to the driving roller 2, and the sliding block 4, the frame 1 is provided with a limiting device, an output end of the limiting device is connected with the sliding block 4 in a clamping manner, a locking device is arranged on the rotating shaft at two ends of the driving roller 2, the driving roller 2 makes an emergency stop motion through the locking device, an emergency button is arranged on a position, which is close to an operator, once, the clamping state of the sliding block 4 is released, the sliding block 4 rapidly slides in the direction away from the driving roller 2 under the elasticity of the elastic piece 6 in the contraction state, so that the driven roller 3 is driven to be away from the driving roller 2, meanwhile, the locking device is started, the emergency brake stops the rotating motion of the driving roller 2, and the effect of protecting the safety of operators is achieved.

Wherein, be provided with spacing groove 8 in the horizontal spout 5, be provided with on the slider 4 with spacing groove 8 assorted lug 7, block into spacing groove 8 through lug 7, play the effect of restriction slider 4's slip direction.

Wherein, still including restoring cylinder 9, the cylinder body fixed connection who restores cylinder 9 is in frame 1, and the direction of motion and the horizontal spout 5 of the piston rod that restores cylinder 9 are in same water flat line, and after driven voller 3 kept away from drive roll 2, operating personnel's limbs shifted out equipment after, restore cylinder 9 and start, the piston rod promotes slider 4 near blotter 10, moves to elastic component 6 direction, cooperates stop device again with slider 4 joint, thereby reaches the effect that makes equipment restore.

Wherein, the spout is kept away from elastic component 6 one side and is provided with blotter 10, and when slider 4 was under the drive of elastic component 6, when keeping away from drive roll 2 direction slip, blotter 10 played the effect of buffering, played the effect of protection driven roller 3 and slider 4.

Wherein, stop device includes spacing cylinder 11 and fixture block 12, and the cylinder body fixed connection of spacing cylinder 11 is in frame 1, and the piston rod of spacing cylinder 11 is connected with fixture block 12, is provided with on the slider 4 with fixture block 12 assorted draw-in groove 16, in the draw-in groove 16 of slider 4 is gone into to the piston rod drive fixture block 12 card through spacing cylinder 11, plays the effect of fixed fixture block 12 to fixed driven voller 3.

The locking device comprises a driving piece, a ratchet wheel 13 and a pawl 14, the ratchet wheel 13 is fixedly connected to a rotating shaft of the driving roller 2, the pawl 14 is rotatably connected to the rack 1, the pawl 14 moves close to or away from the ratchet wheel 13 through the driving piece, the driving piece drives the pawl 14 to be clamped on gear teeth of the ratchet wheel 13, rotation of the ratchet wheel 13 is limited, rotation of the driving roller 2 is limited, and the effect of emergently stopping rotation of the ratchet wheel 13 is achieved.

Wherein, the driving piece includes connecting rod 15, and the middle part of connecting rod 15 rotates to be connected in frame 1, and the one end and the fixture block 12 swing joint of connecting rod 15, the other end and pawl 14 swing joint, fixture block 12 motion drive connecting rod 15 and use the middle part as the axle rotation to drive pawl 14 card go into on the teeth of a cogwheel of ratchet 13, thereby reach the effect of restriction ratchet 13 pivoted.

The working principle of the present invention will be explained in detail below: when the limbs of the operator are clamped between the driving roller 2 and the driven roller 3, a button on a machine near the body is quickly pressed, a piston rod of the limiting cylinder 11 contracts to enable the clamping block 12 to slide out of the clamping groove 16, the sliding block 4 slides in the horizontal sliding groove 5 under the elastic action of the elastic piece 6 to drive the driven roller 3 to move towards the direction far away from the driving roller 2, so that the effect of increasing the distance between the driving roller 2 and the driven roller 3 is achieved, the limbs of the operator are protected from secondary injury, when the piston rod of the limiting cylinder 11 contracts, the clamping block 12 drives one end of the connecting rod 15 to move upwards, as the middle part of the connecting rod 15 is rotatably connected to the frame 1, the other end of the connecting rod 15 descends to drive the pawl 14 to be clamped on the gear teeth of the ratchet wheel 13, the driving roller 2 stops rotating, and the effect of preventing the rotation of, after accident treatment is finished, a piston rod of the recovery cylinder 9 extends to push the sliding block 4 to move towards the driving roller 2 in the sliding groove until the compression spring is pressed, then a piston rod of the limiting cylinder 11 extends to push the clamping block 12 to be clamped into the clamping groove 16 on the sliding block 4, and the position of the sliding block 4 is fixed, so that the position of the driven roller 3 is fixed, the connecting rod 15 is driven by the clamping block 12, the pawl 14 is driven to be far away from the ratchet 13, and the driving roller 2 can normally rotate.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (7)

1. The utility model provides an emergency safety mechanism of mill, includes frame (1), be provided with drive roll (2) and driven voller (3) in frame (1), its characterized in that: the utility model discloses a quick-witted driving roller, including driven voller (3), frame (1), slider (4), horizontal spout (6), stop device's output and slider (4) joint, be provided with locking device in the pivot at the both ends of the pivot of driven voller (3) rotate respectively and connect on a slider (4), the ascending both ends in the axial that frame (1) is located driven voller (3) are provided with a horizontal spout (5) respectively, slider (4) sliding connection is in horizontal spout (5), horizontal spout (5) are close to between one side of driving roller (2) and slider (4) and support to press elastic component (6), be provided with stop device on frame (1), stop device's output is connected with slider (4) joint, be provided with locking device in the pivot.

2. An emergency safety mechanism for an open mill according to claim 1, characterized in that: a limiting groove (8) is formed in the horizontal sliding groove (5), and a convex block (7) matched with the limiting groove (8) is arranged on the sliding block (4).

3. An emergency safety mechanism for an open mill according to claim 1, characterized in that: still including recovering cylinder (9), the cylinder body fixed connection of recovering cylinder (9) is on frame (1), the direction of motion of the piston rod of recovering cylinder (9) is in same water flat line with horizontal spout (5).

4. An emergency safety mechanism for an open mill according to claim 1, characterized in that: a buffer pad (10) is arranged on one side, away from the elastic piece (6), of the sliding groove.

5. An emergency safety mechanism for an open mill according to claim 1, characterized in that: the limiting device comprises a limiting cylinder (11) and a clamping block (12), the cylinder body of the limiting cylinder (11) is fixedly connected to the rack (1), a piston rod of the limiting cylinder (11) is connected with the clamping block (12), and a clamping groove (16) matched with the clamping block (12) is formed in the sliding block (4).

6. An emergency safety mechanism for an open mill according to claim 5, characterized in that: the locking device comprises a driving piece, a ratchet wheel (13) and a pawl (14), the ratchet wheel (13) is fixedly connected to a rotating shaft of the driving roller (2), the pawl (14) is rotatably connected to the rack (1), and the pawl (14) moves close to or away from the ratchet wheel (13) through the driving piece.

7. An emergency safety mechanism for an open mill according to claim 6, characterized in that: the driving piece comprises a connecting rod (15), the middle of the connecting rod (15) is rotatably connected to the rack (1), one end of the connecting rod (15) is movably connected with the clamping block (12), and the other end of the connecting rod is movably connected with the pawl (14).

Images