CN108295974B

CN108295974B - Safety protection device of energy-saving material ball mill

Info

Publication number: CN108295974B
Application number: CN201810395528.1A
Authority: CN
Inventors: 吕再远
Original assignee: Xinyi Baoqun Quartz Co Ltd
Current assignee: Xinyi Baoqun quartz Co., Ltd
Priority date: 2018-04-27
Filing date: 2018-04-27
Publication date: 2020-06-02
Anticipated expiration: 2038-04-27
Also published as: CN108295974A

Abstract

The invention discloses a safety protection device of an energy-saving material ball mill, which comprises a ball mill body, wherein the top end of the ball mill body is provided with an ear block and a cover, the cover is positioned on one side of the ear block, the ear block is fixedly connected with a cross frame, one end of the cross frame is fixedly provided with a piston sleeve through a mounting seat, one end of the piston sleeve is provided with an air inlet one-way valve and an air outlet one-way valve, the air outlet one-way valve is positioned on one side of the air inlet one-way valve, the invention is provided with the piston sleeve, a connecting rod, the air outlet one-way valve and a piston, when the cover is opened, the cover is jacked up under the action of air pressure difference, so that the cover has the trend of moving towards the cross frame, when the cover moves, the piston is pushed to move through the connecting rod, the piston pushes the air in the piston sleeve when moving, the air pushes a valve core in, thereby driving the mounting plate to move.

Description

Safety protection device of energy-saving material ball mill

Technical Field

The invention belongs to the technical field of ball mills, and particularly relates to a safety protection device of an energy-saving material ball mill.

Background

The ball mill is a key device for crushing materials after the materials are crushed, and the ore mill of the type is widely applied to production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like by filling a certain amount of steel balls as grinding media into a cylinder body, carrying out dry or wet grinding on various ores and other grindable materials, and can be divided into a lattice type and an overflow type according to different ore discharge modes.

In chinese patent with patent number CN205392714U, a safety protection device for a ball mill is proposed, through the pin above the fixed cover of two ear pieces, then block the cover of opening in the twinkling of an eye through the pin, reach and prevent that the cover from causing the purpose of incident because of opening suddenly, however, this protection device does not change the characteristic that the cover opened suddenly under the effect of atmospheric pressure difference, the cover that upsets suddenly collides with the pin, cause cover and pin damage easily, reduce this protection device's life, and the pin in this protection device is fixed by the split pin, fixed knot constructs firmly inadequately and is not convenient for dismantle, the cover strikes the pin when opening, cause the danger that the pin dropped easily.

Disclosure of Invention

The invention aims to provide a safety protection device of an energy-saving material ball mill, which aims to solve the problems that the service life of a machine cover and a stop lever is easily damaged, the fixing structure is not stable enough and the disassembly is inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: a safety protection device of an energy-saving material ball mill comprises a ball mill body, wherein an ear block and a cover are installed at the top end of the ball mill body, the cover is located on one side of the ear block, a cross frame is fixedly connected onto the ear block, a piston sleeve is fixedly installed at one end of the cross frame through a mounting seat, an air inlet check valve and an air outlet check valve are installed at one end of the piston sleeve, the air outlet check valve is located on one side of the air inlet check valve, a through hole is formed in the middle position of the air outlet check valve, limiting grooves are formed in two sides of the through hole, a mounting plate is installed inside the limiting grooves, a valve core and a third spring are installed on the outer wall of one side of the mounting plate, the third spring is located on one side of the valve core, two ends of the third spring are respectively connected with the mounting plate and the air outlet check valve, an air hole is formed in the, the valve core is of a circular truncated cone structure, a piston is arranged inside the piston sleeve, a connecting rod is arranged on the outer wall of one side of the piston, and two ends of the connecting rod are connected with the piston and the cover respectively.

Preferably, the positions of the cover, which are positioned on two sides of the connecting rod, are provided with cover locks, and the cover locks are used for connecting the ball mill body and the cover.

Preferably, the base is installed to the bottom of ball mill body, the base is the U type structure.

Preferably, the one end that the mount pad was kept away from to the crossbearer is installed the bayonet lock, the draw-in groove has all been seted up to the both sides outer wall of bayonet lock, and the top of bayonet lock installs the round pin that resets, the one end that resets the round pin is connected with the second spring, the one end that resets the round pin is kept away from to the second spring is installed the ejector pad that resets, the both sides of the ejector pad that resets all are connected with the push rod, ejector pad and second spring all are located the inside of bayonet lock.

Preferably, the bayonet lock is blocked in the inside of ear piece, the mounting groove has all been seted up to the inside position department that is located the bayonet lock both sides of ear piece, the internally mounted of mounting groove has fixture block and first spring, the fixture block is located one side of first spring, and the fixture block is blocked in the inside of draw-in groove.

Compared with the prior art, the invention has the following beneficial effects:

(1) the invention is provided with a piston sleeve, a connecting rod, an air outlet one-way valve and a piston, when the cover is opened, the cover is jacked up under the action of air pressure difference, so that the cover has the tendency of moving towards a cross frame, when the cover moves, the piston is pushed to move through the connecting rod, the piston pushes and compresses air in the piston sleeve when moving, the air pushes a valve core in the air outlet one-way valve in a compressed state, the valve core moves under the action of thrust to drive a mounting plate to move, the mounting plate moves in a limiting groove to limit the displacement range of the mounting plate, thereby also limiting the movement range of the valve core, after the valve core moves, the air in the piston sleeve passes through a gap between the valve core and the inner wall of a through hole and then is discharged through an air hole, after the air is discharged, the piston moves, the piston drives the cover to move through the connecting rod, and the movable positions of the, therefore, the size of the gap formed between the valve core and the inner wall of the through hole has a certain limit, the unit discharge amount of the gas in the piston sleeve also has a certain limit, the phenomenon that the gas in the piston sleeve is extruded instantly under high pressure is avoided, the purpose that the cover is opened slowly is achieved, violent collision between the cover and the transverse frame is avoided, and the service life and the use safety of the whole protection device are improved.

(2) The invention is provided with a bayonet lock, a clamping groove, a push rod, a clamping block, a first spring, a reset pin and a reset push block, when a transverse frame is disassembled, the reset pin at the top end of the bayonet lock is pressed, the reset pin compresses a second spring at one end to enable the second spring to have certain resilience, the reset pin pushes the reset push block to move through a limiting rod, the reset push block pushes the push rod to two sides when moving, one end of the push rod is contacted with the clamping block, the clamping block is pushed out of the clamping groove by the push rod when moving, the bayonet lock and the lug are in a non-fixed state, the disassembly of the transverse frame can be completed by taking out the bayonet lock from the lug, the transverse frame is installed, the bayonet lock at two ends of the transverse frame is clamped into the lug, the bayonet lock pushes the clamping block to two sides when moving towards the inner part of the lug, the clamping block compresses the first spring in the installation groove until the bayonet lock is completely clamped into the lug, the installation groove, inside pushing the fixture block into the draw-in groove to accomplish the fixed of crossbearer, fixed knot constructs firmly, avoids the crossbearer to drop by the striking in the use, and dismantles the mode simply, the maintenance of the whole protection device of being convenient for is changed.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the construction of the ear block of the present invention;

FIG. 3 is an enlarged view of the invention at A;

FIG. 4 is an enlarged view of the invention at B;

FIG. 5 is a schematic structural diagram of the air outlet check valve of the present invention;

in the figure: 1-lug block, 2-cross frame, 3-piston sleeve, 4-mounting seat, 5-bayonet lock, 6-bayonet lock, 7-ball mill body, 8-base, 9-cover lock, 10-cover, 11-connecting rod, 12-push rod, 13-bayonet lock, 14-mounting groove, 15-first spring, 16-air inlet one-way valve, 17-air outlet one-way valve, 18-piston, 19-reset pin, 20-reset push block, 21-second spring, 22-valve core, 23-through hole, 24-third spring, 25-mounting plate, 26-limiting groove and 27-air hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a safety protection device of an energy-saving material ball mill comprises a ball mill body 7, wherein an ear block 1 and a cover 10 are installed at the top end of the ball mill body 7, the cover 10 is positioned at one side of the ear block 1, a cross frame 2 is fixedly connected onto the ear block 1, a piston sleeve 3 is fixedly installed at one end of the cross frame 2 through a mounting seat 4, an air inlet one-way valve 16 and an air outlet one-way valve 17 are installed at one end of the piston sleeve 3, the air outlet one-way valve 17 is positioned at one side of the air inlet one-way valve 16, a through hole 23 is formed in the middle position of the air outlet one-way valve 17, limiting grooves 26 are formed in two sides of the through hole 23, a mounting plate 25 is installed inside the limiting grooves 26, a valve core 22 and a third spring 24 are installed on the outer wall of one side of the mounting plate 25, the third spring 24 is positioned at one side of the valve core 22, two ends of the third spring 24 are respectively connected with the, the valve core 22 is a circular truncated cone structure, the piston 18 is arranged in the piston sleeve 3, the connecting rod 11 is arranged on the outer wall of one side of the piston 18, two ends of the connecting rod 11 are respectively connected with the piston 18 and the cover 10, the piston 18 is pushed to move by the connecting rod 11 when the cover 10 moves, the piston 18 pushes and compresses the gas in the piston sleeve 3 when moving, the gas pushes the valve core 22 in the air outlet one-way valve 17 in a compressed state, the valve core 22 moves under the action of thrust force to drive the mounting plate 25 to move, the mounting plate 25 moves in the limiting groove 26 to limit the displacement range of the mounting plate 25, thereby also limiting the movement range of the valve core 22, after the valve core 22 moves, the gas in the piston sleeve 3 passes through the gap between the valve core 22 and the inner wall of the through hole 23 and is then exhausted by the air hole 27, the piston 18 moves after the gas is exhausted, the piston 18 drives the cover 10, thereby achieving the purpose of opening the lid 10.

In the present invention, preferably, the cover 10 is provided with the cover locks 9 at both sides of the connecting rod 11, the cover locks 9 are used for connecting the ball mill body 7 and the cover 10, and when the cover 10 is opened, the cover lock 9 at the top end of the cover 10 is firstly opened to make the ball mill body 7 and the cover 10 in a separable state.

In the invention, preferably, the base 8 is installed at the bottom end of the ball mill body 7, the base 8 is in a U-shaped structure, and the base 8 is used for installing the whole ball mill to ensure the stability of the ball mill.

In the invention, preferably, one end of the cross frame 2, which is far away from the mounting seat 4, is provided with a bayonet lock 5, the outer walls of two sides of the bayonet lock 5 are respectively provided with a bayonet lock 6, the top end of the bayonet lock 5 is provided with a reset pin 19, one end of the reset pin 19 is connected with a second spring 21, one end of the second spring 21, which is far away from the reset pin 19, is provided with a reset push block 20, two sides of the reset push block 20 are respectively connected with a push rod 12, the reset push block 20 and the second spring 21 are all positioned in the bayonet lock 5, when the cross frame 2 is disassembled, the reset pin 19 at the top end of the bayonet lock 5 is pressed, the reset pin 19 compresses the second spring 21 at one end, so that the second spring 21 has certain resilience, the reset pin 19 pushes the reset push block 20 to move through a limiting rod, the reset push rod 12 is pushed to two sides when the reset push block 20 moves, at this time, the bayonet 5 and the lug block 1 are in an unfixed state, and the bayonet 5 is taken out from the lug block 1, so that the transverse frame 2 can be detached.

In the invention, preferably, the bayonet 5 is clamped in the ear block 1, the positions of the two sides of the bayonet 5 in the ear block 1 are respectively provided with a mounting groove 14, a fixture block 13 and a first spring 15 are mounted in the mounting groove 14, the fixture block 13 is positioned at one side of the first spring 15, the fixture block 13 is clamped in the clamping groove 6, the cross frame 2 is mounted, the bayonet 5 at the two ends of the cross frame 2 is clamped in the ear block 1, the fixture block 13 is pushed towards the two sides in the process that the bayonet 5 moves towards the inside of the ear block 1, the fixture block 13 compresses the first spring 15 in the mounting groove 14, until the bayonet 5 is completely clamped in the ear block 1, the mounting groove 14 and the clamping groove 6 are in the corresponding positions, the first spring 15 rebounds, the fixture block 13 is pushed into the clamping groove 6, and the fixing of the cross frame.

The working principle and the using process of the invention are as follows: when the ball mill normally works, a certain pressure difference is generated between the inside and the outside of the ball mill body 7, so when the cover 10 is opened, the cover 10 is jacked up under the action of the pressure difference, the cover 10 has a tendency of moving towards the cross frame 2, when the cover 10 moves, the piston 18 is pushed to move through the connecting rod 11, the piston 18 pushes the gas inside the compression piston sleeve 3 when moving, the gas pushes the valve core 22 inside the air outlet one-way valve 17 under the compressed state, the valve core 22 moves under the action of the pushing force, so as to drive the mounting plate 25 to move, the mounting plate 25 moves inside the limiting groove 26, the displacement range of the mounting plate 25 which can move is limited, so as to limit the movement range of the valve core 22, after the valve core 22 moves, the gas inside the piston sleeve 3 passes through the gap between the valve core 22 and the inner wall of the through hole 23, and then is exhausted through the air hole 27, and the, the piston 18 drives the cover 10 to move through the connecting rod 11, because the movable positions of the mounting plate 25 and the valve core 22 are limited, the size of a gap formed between the valve core 22 and the inner wall of the through hole 23 has a certain limit, so that the unit discharge amount of gas in the piston sleeve 3 has a certain limit, and the phenomenon that the gas in the piston sleeve 3 is extruded instantly under high pressure is avoided, so that the cover 10 is opened slowly, in addition, when the cross frame 2 is disassembled, the reset pin 19 at the top end of the bayonet 5 is pressed, the reset pin 19 compresses the second spring 21 at one end, so that the second spring 21 has a certain bounce force, the reset pin 19 pushes the reset push block 20 to move through the limiting rod, the reset push block 20 pushes the push rod 12 to two sides when moving, one end of the push rod 12 is contacted with the fixture block 13, the fixture block 13 is pushed out of the fixture 6 when the push rod 12 moves, at this time, the bayonet 5 and the lug 1 are in an unfixed state, take out bayonet lock 5 from the ear piece 1 in can accomplish the dismantlement of crossbearer 2, and install crossbearer 2, go into the 5 card of bayonet lock at 2 both ends of crossbearer in the ear piece 1, bayonet lock 5 promotes fixture block 13 to both sides at the in-process that moves 1 inside the ear piece, first spring 15 in fixture block 13 compression mounting groove 14, when the complete card of bayonet lock 5 goes into the ear piece 1, mounting groove 14 is located corresponding position with draw-in groove 6, first spring 15 rebounds, push into 6 insides of draw-in groove with fixture block 13, thereby accomplish the fixed of crossbearer 2.

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 safety arrangement of energy-conserving material ball mill, includes ball mill body (7), its characterized in that: the ball mill is characterized in that an ear block (1) and a cover (10) are installed at the top end of the ball mill body (7), the cover (10) is located on one side of the ear block (1), a cross frame (2) is fixedly connected to the ear block (1), a piston sleeve (3) is fixedly installed at one end of the cross frame (2) through a mounting seat (4), an air inlet check valve (16) and an air outlet check valve (17) are installed at one end of the piston sleeve (3), the air outlet check valve (17) is located on one side of the air inlet check valve (16), a through hole (23) is formed in the middle position of the air outlet check valve (17), limiting grooves (26) are formed in two sides of the through hole (23), a mounting plate (25) is installed inside the limiting grooves (26), a valve core (22) and a third spring (24) are installed on the outer wall of one side of the mounting plate (25), and the third spring (24) is located on one side, and the both ends of third spring (24) are connected with mounting panel (25) and check valve (17) of giving vent to anger respectively, position department that lies in between case (22) and third spring (24) on mounting panel (25) sets up gas pocket (27), case (22) are round platform type structure, the internally mounted of piston cover (3) has piston (18), connecting rod (11) are installed to one side outer wall of piston (18), the both ends of connecting rod (11) are connected with piston (18) and cover (10) respectively.

2. The safety protection device of an energy-saving material ball mill according to claim 1, characterized in that: all install bonnet lock (9) in the position department that lies in connecting rod (11) both sides on bonnet (10), bonnet lock (9) are used for connecting ball mill body (7) and bonnet (10).

3. The safety protection device of the energy-saving material ball mill according to claim 2, characterized in that: base (8) are installed to the bottom of ball mill body (7), base (8) are U type structure.

4. The safety protection device of an energy-saving material ball mill according to claim 1, characterized in that: the one end that mount pad (4) were kept away from in crossbearer (2) is installed bayonet lock (5), draw-in groove (6) have all been seted up to the both sides outer wall of bayonet lock (5), and the top of bayonet lock (5) installs reset pin (19), the one end of reset pin (19) is connected with second spring (21), reset ejector pad (20) are installed to the one end that reset pin (19) was kept away from in second spring (21), the both sides of reset ejector pad (20) all are connected with push rod (12), reset ejector pad (20) and second spring (21) all are located the inside of bayonet lock (5).

5. The safety protection device of an energy-saving material ball mill according to claim 4, characterized in that: bayonet lock (5) block is in the inside of ear piece (1), mounting groove (14) have all been seted up to the inside position department that is located bayonet lock (5) both sides of ear piece (1), the internally mounted of mounting groove (14) has fixture block (13) and first spring (15), fixture block (13) are located one side of first spring (15), and fixture block (13) block is in the inside of draw-in groove (6).