CN219338199U

CN219338199U - Safety protection device of open mill

Info

Publication number: CN219338199U
Application number: CN202320824810.3U
Authority: CN
Inventors: 刘厚国
Original assignee: Wuhan Guanlian New Material Technology Co ltd
Current assignee: Wuhan Guanlian New Material Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-07-14
Anticipated expiration: 2033-04-11

Abstract

The utility model relates to the technical field of equipment protection, and discloses a safety protection device of an open mill, which comprises an open mill placing chamber, wherein an electric protection door is arranged in the open mill placing chamber, an installation groove is formed in the outer side of the open mill placing chamber, a control switch of the electric protection door is arranged in the installation groove, a protection cover is arranged outside the installation groove, a protection stop lever is arranged in front of the electric protection door in the open mill placing chamber, the protection stop lever comprises a stop lever I, a stop lever II and a connecting component, two opposite ends of the stop lever I and the stop lever II are respectively hinged with the open mill placing chamber, when the stop lever I and the stop lever II rotate to a horizontal state, the connecting component is used for connecting and fixing free ends of the stop lever I and the stop lever II, and a linkage component is arranged between the stop lever I and the protection cover. The utility model can double-protect the placing room of the open mill through the protective stop lever and the protective door, and is convenient to open, practical and convenient.

Description

Safety protection device of open mill

Technical Field

The utility model relates to the technical field of equipment protection, in particular to a safety protection device of an open mill.

Background

The open mill is a rubber mixing device, the two rollers of the open mill are generally the same in size and rotate relatively at different speeds, raw rubber or sizing material is rolled into a gap between the two rollers along with the rotation of the rollers, and the aim of plasticating or mixing is achieved under the action of strong shearing. To large-scale mill, usually need special placing chamber to place in the factory building, and in order to guarantee that the sizing material can not spill over, need protect the placing chamber, avoid sizing material to spill over and cause the injury to the staff, current safeguard measure is, set up thick rigid door to the placing chamber, thick steel door is closed through keeper and lock, then the outside sets up a whole steel column and carries out the secondary protection, although protection effect is good, but the switch door is inconvenient in the in-process of using, need move the steel column earlier, then just can open with the key unblanking, very inconvenient, consequently, need a mill safety device who facilitates the use.

Disclosure of Invention

The utility model aims to provide a safety protection device for an open mill, which has the effect of convenient use.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides an open mill safety protection device, includes open mill placing chamber, open mill placing chamber is provided with electric protection door, open mill placing chamber's outside is provided with the mounting groove, be provided with electric protection door's control switch in the mounting groove, be provided with the protective cover outward the mounting groove, open mill placing chamber is located electric protection door's the place ahead and is provided with the protection pin, the protection pin includes pin one, pin two and coupling assembling, pin one and two opposite both ends of shelves pole are articulated with open mill placing chamber respectively, when pin one and pin two rotate to the horizontality, coupling assembling is used for connecting fixed the free end of pin one and pin two, be provided with the interlock subassembly between pin one and the protective cover, when pin one rotates to vertical direction, the interlock subassembly is opened the protective cover.

Through adopting above-mentioned technical scheme, when opening the door, separate pin one and pin two through coupling assembling, then rotate pin one to vertical state, this moment is opened through interlock subassembly, the shield lid, operating personnel can press control switch this moment, electric shield door opens, when closing, press control switch earlier and make electric shield door close, then rotate the first level of shelves pole, connect through coupling assembling and pin two, the shield lid is closed this moment, through this kind of setting, it is very convenient to use, also can not maloperation simultaneously, the safety protection effect has further been improved.

As a further arrangement of the utility model, the connecting assembly comprises threads arranged at the opposite ends of the first stop lever and the second stop lever, the second stop lever is connected with a thread bush in a threaded manner, and the thread bush is connected with the first stop lever in a threaded manner.

Through adopting above-mentioned technical scheme, when pin one and pin two coaxial, rotate the thread bush to with pin one threaded connection, make pin one and pin two fixed, play first layer protection effect, when needs are opened, then only need rotate the thread bush, make pin one and pin two separation, can open the protection pin, it is very convenient to use.

As a further arrangement of the utility model, the protective cover comprises a cover plate and a fixed shaft, the fixed shaft is fixedly connected with the side wall of the open mill placing chamber, the cover plate is rotationally connected with the fixed shaft, a torsion spring is arranged between the cover plate and the fixed shaft, a limit groove is arranged on the side edge of the mounting groove above the fixed shaft, and the upper end of the cover plate positioned on the fixed shaft is propped against the inner wall of the limit groove in a natural state.

As a further arrangement of the utility model, the linkage assembly comprises a first linkage rod vertically connected with the first stop rod, the first linkage rod faces the placing chamber of the mill, a connecting hole is formed in the end part of the first linkage rod, a second linkage rod is slidably arranged in the connecting hole, a connecting cylinder is fixedly arranged on the outer side wall of the placing chamber of the mill, the axis of the connecting cylinder coincides with the rotation axis of the first stop rod, a linkage groove is formed in the side wall of the connecting cylinder, a limiting rod is arranged on the second linkage rod, and the limiting rod is slidably clamped in the linkage groove.

Through adopting above-mentioned technical scheme, rotate the pin one, pin one drives carrier bar one and carrier bar two and rotates, and carrier bar two drives the gag lever post and slides in the interlock groove, and when the gag lever post rotated to the terminal of interlock groove, the gag lever post drives carrier bar two and elongates to promote the lower extreme of apron, make the apron outwards overturn, thereby expose control switch, operating personnel can press control switch, opens electric protection door.

As a further arrangement of the utility model, the electrically operated protective door is an electrically operated roller shutter door.

The beneficial effects of the utility model are as follows:

1. when opening the door, separate pin one and pin two through coupling assembling, then rotate pin one to vertical state, this moment is through interlock subassembly, the shield is opened, operating personnel can press control switch this moment, electric guard gate opens, when closing, press control switch earlier and make electric guard gate close, then rotate the shelves pole one to the horizontality, connect through coupling assembling and pin two, the shield is closed this moment, through this kind of setting, it is very convenient to use, also can not maloperation simultaneously, safety protection effect has further been improved.

1. And when the stop lever rotates to the tail end of the linkage groove, the stop lever drives the second linkage rod to stretch and push the lower end of the cover plate to enable the cover plate to outwards overturn, so that the control switch is exposed, and an operator can press the control switch to open the electric protection door.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is a schematic view of the structure of the mounting groove of the present embodiment;

in the figure, 1, an open mill placing chamber, 2, an electric protective door, 3, a mounting groove, 4, a control switch, 5, a protective cover, 51, a cover plate, 52, a fixed shaft, 53, a limit groove, 6, a protective stop lever, 61, a stop lever I, 62, a stop lever II, 63, a connecting component, 631, a thread bush, 7, a linkage component, 71, a linkage lever I, 72, a linkage lever II, 73, a connecting cylinder, 74, a linkage groove, 75 and a limit lever.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Examples

The utility model provides an open mill safety protection device, refer to fig. 1 through 4, including open mill placing chamber 1, open mill placing chamber 1 is provided with electric protection door 2, open mill placing chamber 1's outside is provided with mounting groove 3, be provided with electric protection door 2's control switch 4 in the mounting groove 3, the mounting groove 3 is provided with shield lid 5 outward, open mill placing chamber 1 is located electric protection door 2's the place ahead is provided with protection pin 6, protection pin 6 includes pin one 61, pin two 62 and coupling assembling 63, pin one 61 and two opposite both ends of pin two are articulated with open mill placing chamber 1 respectively, when pin one 61 and pin two 62 rotate to the horizontality, coupling assembling 63 is used for connecting and fixes pin one 61 and pin two 62's free end, be provided with interlock subassembly 7 between pin one 61 and the shield lid 5, when pin one 61 rotates to the vertical direction, interlock subassembly 7 opens shield lid 5.

When opening the door, separate pin one 61 and pin two 62 through coupling assembling 63, then rotate pin one 61 to vertical state, this moment is through interlock subassembly 7, protective cover 5 opens, operating personnel can press control switch 4 this moment, electric guard door 2 opens, when closing, first press control switch 4 makes electric guard door 2 close, then rotate the first to horizontal state of shelves pole, connect through coupling assembling 63 and pin two 62, protective cover 5 closes this moment, through this kind of setting, it is very convenient to use, also can not maloperation simultaneously, the safety protection effect has been further improved.

Further, the connecting assembly 63 includes threads disposed at opposite ends of the first and

second bars

61 and 62, and the second bar 62 is threadedly coupled with a threaded sleeve 631, the threaded sleeve 631 being threadedly coupled with the first bar 61. When the first stop lever 61 and the second stop lever 62 are coaxial, the threaded sleeve 631 is rotated and is in threaded connection with the first stop lever 61, so that the first stop lever 61 and the second stop lever 62 are fixed, a first layer of protection effect is achieved, when the first stop lever needs to be opened, the first stop lever 61 and the second stop lever 62 are separated by only rotating the threaded sleeve 631, and the protection stop lever 6 can be opened, so that the use is very convenient.

Further, the protective cover 5 comprises a cover plate 51 and a fixed shaft 52, the fixed shaft 52 is fixedly connected with the side wall of the open mill placing chamber 1, the cover plate 51 is rotationally connected with the fixed shaft 52, a torsion spring is arranged between the cover plate 51 and the fixed shaft 52, a limit groove 53 is arranged above the fixed shaft 52 on the side edge of the mounting groove 3, and the upper end of the cover plate 51 positioned on the fixed shaft 52 is propped against the inner wall of the limit groove 53 in a natural state.

Further, the linkage assembly 7 comprises a first linkage rod 71 vertically connected with the first stop rod 61, the first linkage rod 71 faces the placing chamber of the milling machine, a connecting hole is formed in the end portion of the first linkage rod 71, a second linkage rod 72 is slidably arranged in the connecting hole, a connecting cylinder 73 is fixedly arranged on the outer side wall of the placing chamber 1 of the milling machine, the axis of the connecting cylinder 73 coincides with the rotation axis of the first stop rod 61, a linkage groove 74 is formed in the side wall of the connecting cylinder 73, a limiting rod 75 is arranged on the second linkage rod 72, and the limiting rod 75 is slidably clamped in the linkage groove 74. The linkage groove 74 is divided into two sections, one section is coaxial with the connecting cylinder 73, the limiting rod 75 does not drive the connecting rod II to stretch when sliding in the linkage groove, and the other section is a chute, and the limiting rod 75 drives the connecting rod II to stretch or shorten when sliding in the linkage groove.

When the first stop lever 61 is rotated, the first stop lever 61 drives the first link 71 and the second link 72 to rotate, the second link 72 drives the limiting rod 75 to slide in the link groove 74, and when the limiting rod 75 rotates to the tail end of the link groove 74, the limiting rod 75 drives the second link 72 to stretch and push the lower end of the cover plate 51, so that the cover plate 51 turns outwards, the control switch 4 is exposed, and an operator can press the control switch 4 to open the electric protection door 2.

Further, the electric protection door 2 is an electric rolling door.

The working principle of this embodiment is as follows:

when the protection device needs to be opened during operation, the threaded sleeve 631 is rotated firstly, the threaded sleeve 631 is separated from the first stop lever 61, then the first stop lever 61 is rotated, the first stop lever 61 drives the fixed lever to rotate, the fixed lever drives the first link lever 71 and the second link lever 72 to rotate, the second link lever 72 drives the limiting lever 75 to slide in the link groove 74, when the limiting lever 75 slides from the second limit groove 53 to the first limit groove 53, the second link lever 72 stretches and pushes the lower end of the cover plate 51 to enable the cover plate 51 to turn outwards, so that the control switch 4 is exposed, and an operator can press the control switch 4 to open the electric protection door 2.

When the protective door is closed, the control switch 4 is pressed firstly to enable the electric protective door 2 to be closed, then the first stop lever 61 and the second stop lever 62 are rotated to be in a horizontal coaxial state, the threaded sleeve 631 on the second stop lever 62 is in threaded connection with the first stop lever 61, so that the first stop lever 61 and the second stop lever 62 are fixed, meanwhile, the first stop lever 61 drives the first linkage rod 71 and the second linkage rod 72 to rotate in the rotating process, when the limiting rod 75 slides from the first limiting groove 53 to the second limiting groove 53, the second linkage rod 72 is contracted, and the cover plate 51 covers the control switch 4 under the action of the torsion spring.

Claims

1. Open mill safety device, its characterized in that: including mill standing room (1), mill standing room (1) is provided with electronic guard gate (2), the outside of mill standing room (1) is provided with mounting groove (3), be provided with control switch (4) of electronic guard gate (2) in mounting groove (3), be provided with guard flap (5) outward in mounting groove (3), mill standing room (1) is located the place ahead of electronic guard gate (2) and is provided with guard bar (6), guard bar (6) include pin one (61), pin two (62) and coupling assembling (63), pin one (61) and two relative both ends of shelves pole are articulated with mill standing room (1) respectively, when pin one (61) and pin two (62) rotate to the horizontality, coupling assembling (63) are used for connecting guard bar one (61) and pin two (62) free end fixedly, be provided with interlock subassembly (7) between guard flap (5), when pin one (61) rotates to vertical direction guard flap (7) with guard flap (5).

2. The mill safety device according to claim 1, wherein: the connecting assembly (63) comprises threads arranged at the opposite ends of the first stop lever (61) and the second stop lever (62), a thread sleeve (631) is connected to the second stop lever (62) in a threaded mode, and the thread sleeve (631) is connected with the first stop lever (61) in a threaded mode.

3. The mill safety device according to claim 1, wherein: the protection cover (5) comprises a cover plate (51) and a fixed shaft (52), the fixed shaft (52) is fixedly connected with the side wall of the open mill placing chamber (1), the cover plate (51) is rotationally connected with the fixed shaft (52), a torsion spring is arranged between the cover plate (51) and the fixed shaft (52), a limit groove (53) is formed in the side edge of the mounting groove (3) above the fixed shaft (52), and the upper end of the cover plate (51) located the fixed shaft (52) is propped against the inner wall of the limit groove (53) in a natural state.

4. The mill safety device according to claim 1, wherein: the linkage assembly (7) comprises a linkage rod I (71) vertically connected with a stop rod I (61), the linkage rod I (71) faces a driving machine placing chamber, a connecting hole is formed in the end portion of the linkage rod I (71), a linkage rod II (72) is slidably arranged in the connecting hole, a connecting cylinder (73) is fixedly arranged on the outer side wall of the driving machine placing chamber (1), the axis of the connecting cylinder (73) coincides with the rotation axis of the stop rod I (61), a linkage groove (74) is formed in the side wall of the connecting cylinder (73), a limiting rod (75) is arranged on the linkage rod II (72), and the limiting rod (75) is slidably clamped in the linkage groove (74).

5. The mill safety device according to claim 1, wherein: the electric protective door (2) is an electric rolling door.