CN114433474B

CN114433474B - Mining vibrating screen

Info

Publication number: CN114433474B
Application number: CN202210150626.5A
Authority: CN
Inventors: 戴金山
Original assignee: Nantong Kebang Machinery Co ltd
Current assignee: Nantong Kebang Machinery Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2023-04-07
Anticipated expiration: 2042-02-18
Also published as: CN114433474A

Abstract

The invention provides a mining vibrating screen which comprises a rack, a support frame, a screen plate, a spring I, a vibrating mechanism, a hopper, a bottom plate, a feeding plate and a cylinder, wherein the support frame is installed in a guide rail on the rack in a matching mode, a moving pair is formed in the guide rail, the screen plate is installed on the support frame through the spring I, and the vibrating mechanism comprises a motor, a crank rod, a connecting rod, an ejector rod and a top plate. Drive the reciprocal translation of sieve through the vibrating mechanism, and the in-process ejector pin reciprocal and the bellying contact of roof at the sieve translation, and then the sieve is by reciprocal jack-up, the sieve realizes vibrating this moment, and the in-process pan feeding board synchronous displacement thereupon at the reciprocal translation of sieve, the material from the hopper whereabouts will be laid on the pan feeding board so, and the pan feeding board can be followed the sieve and vibrated together, and then the material on the pan feeding board can evenly distributed, so there is the cylinder action to make the pan feeding board upset, the material can be shed on the sieve, and then avoid the material to pile up the relatively poor condition of screening effect that the whereabouts caused on the sieve.

Description

Mining vibrating screen

Technical Field

The invention relates to the technical field of mining machinery, in particular to a mining vibrating screen.

Background

Publication number is CN205341271U provides a high-efficient double-deck rectilinear vibrating screen is used in ore grinding classification, supports base, upper screen case, lower floor's screen case, first screen cloth and second screen cloth including stirring pivot, shock attenuation, the shock attenuation is supported the vertical fixed stay post and is installed with hydraulic lifting column on the base, and fixed stay post is two and parallel arrangement, connects the one end at upper screen case and lower floor's screen case through rotating the connecting piece between the two spinal branch daggers, and the other end of upper screen case and lower floor's screen case sets up on hydraulic lifting column through rotating the connecting piece, and first screen cloth is installed to upper screen case bottom, and the second screen cloth is installed to lower floor's screen bottom.

Above-mentioned prior art also sieves through the mode of two-layer screen cloth, and then realizes reaching the effect of abundant screening, but the material is the pile-up state when getting into the one deck screen cloth, so the material of carrying out the screening on the one deck screen cloth can not carry out even screening, has the part to be located the material of screen cloth contact and the condition of not screening appears, and two-layer screen cloth only carries out secondary screening to the material of having sieved the completion, can not increase screening efficiency.

Disclosure of Invention

The invention aims to provide a mining vibrating screen to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a mining shale shaker, includes frame, support frame, sieve, spring I, vibration mechanism, hopper, bottom plate, pan feeding board and cylinder, wherein:

the utility model discloses a screen plate, including support frame, sieve, ejector pin, spring I, vibrating mechanism, ejector pin, spring II, feed plate, screen, support frame cooperation is installed in the guide rail in the frame and form the sliding pair in the guide rail, the sieve passes through spring I and installs on the support frame, vibrating mechanism includes motor, crank rod, connecting rod, ejector pin and roof, the motor sets up in the frame, and its power take off end cover has crank rod, and the one end of connecting rod is articulated with crank rod, and the other end is articulated with the support frame, the ejector pin sets up in the frame, the roof sets up in the bottom of sieve, wherein the tip of ejector pin contacts with the plane portion on the roof, is equipped with the bellying on the roof, so can jack-up the sieve when ejector pin contacts with the bellying, the hopper is located the top of sieve, the bottom plate is through the bracing piece of its bottom and the through-hole cooperation of sieve side, is equipped with spring II between bottom plate and the sieve, feed plate articulates on the bottom plate, wherein the feed plate is located the top of sieve, and the both ends of cylinder are articulated with bottom plate and feed plate respectively, and the bottom plate and feed plate is articulated, and the bottom of hopper is equipped with ration ejection of material subassembly, wherein ration ejection of material subassembly is used for the ration to the ration unloading to the ration board unloading of ration.

Preferably, ration ejection of compact subassembly comprises discharging pipe, baffle, integral key shaft and link, discharging pipe and hopper intercommunication, discharging pipe are located the top of pan feeding board, the baffle cooperation is installed in the ascending rectangular channel of discharging pipe vertical direction, so the baffle can realize the shutoff along the displacement of vertical direction and open the discharging pipe, the integral key shaft sets up the side at the baffle, and the one end and the bottom plate of link are connected, and the other end cooperates with the integral key shaft.

Preferably, a sliding block is installed in a matching manner in a guide groove of the crank rod, a threaded rod is installed in the crank rod in a rotating manner, and the threaded rod penetrates through the sliding block and is in threaded connection with the sliding block.

Preferably, one end of the connecting rod is hinged with the sliding block.

Preferably, the sieve plate is arranged obliquely.

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

the screen plate is driven to move in a reciprocating mode through the vibrating mechanism, the ejector rods are in contact with the protruding portions of the top plate in a reciprocating mode in the screen plate moving process, the screen plate is jacked up in a reciprocating mode, the screen plate vibrates, the feeding plate synchronously moves in the screen plate moving process in the reciprocating mode, materials falling from the hopper can be laid on the feeding plate, the feeding plate can vibrate along with the screen plate, the materials on the feeding plate can be evenly distributed, the feeding plate can turn over due to the action of the air cylinders, the materials can be thrown onto the screen plate, the problem that screening effect is poor due to the fact that the materials are accumulated on the screen plate and fall is solved, and screening effect and efficiency are guaranteed.

Drawings

FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a side view of the overall structure of the present invention;

fig. 4 is a three-dimensional schematic view of a crank lever of the present invention.

In the figure: the device comprises a machine frame 1, a support frame 2, a sieve plate 3, a spring I4, a vibration mechanism 5, a hopper 6, a bottom plate 7, a feeding plate 8, an air cylinder 9, a motor 51, a crank rod 52, a connecting rod 53, a push rod 54, a top plate 55, a discharging pipe 61, a baffle 62, a spline shaft 63, a connecting frame 64, a spring II 71, a slider 521 and a threaded rod 522.

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.

Example (b):

referring to fig. 1 to 4, the present invention provides a technical solution:

the utility model provides a mining shale shaker, includes frame 1, support frame 2, sieve 3, spring I4, vibration mechanism 5, hopper 6, bottom plate 7, pan feeding board 8 and cylinder 9, wherein:

the support frame 2 is installed in a guide rail on the rack 1 in a matching manner and a sliding pair is formed in the guide rail, the sieve plate 3 is installed on the support frame 2 through a spring I4, the sieve plate 3 is arranged in an inclined manner, the vibration mechanism 5 comprises a motor 51, a crank rod 52, a connecting rod 53, a top rod 54 and a top plate 55, the motor 51 is arranged on the rack 1, the power output end of the motor 51 is fixedly sleeved with the crank rod 52, a sliding block 521 is installed in a guide groove of the crank rod 52 in a matching manner, a threaded rod 522 is installed in the crank rod 52 in a rotating manner, the threaded rod 522 penetrates through the sliding block 521 and forms threaded connection with the sliding block 521, the position of the sliding block 521 can be adjusted by rotating the threaded rod 522, the distance from the sliding block 521 to the rotating center of the motor 51 is changed, one end of the connecting rod 53 is hinged with the sliding block 521, the other end of the connecting rod is hinged with the support frame 2, and the crank rod 52 can drive the support frame 2 to reciprocate, the ejector rod 54 is arranged on the frame 1, the top plate 55 is arranged at the bottom of the sieve plate 3, wherein the end part of the ejector rod 54 is contacted with the plane part on the top plate 55, the top plate 55 is provided with a convex part, the sieve plate 3 can be ejected when the ejector rod 54 is contacted with the convex part, the hopper 6 is arranged above the sieve plate 3, the bottom plate 7 is matched with a through hole on the side surface of the sieve plate 3 through a support rod at the bottom of the bottom plate, further the bottom plate 7 is driven to synchronously move when the sieve plate 3 moves, the bottom plate 7 can also vertically move up and down relative to the sieve plate 3, a spring II 71 is arranged between the bottom plate 7 and the sieve plate 3, the feeding plate 8 is hinged on the bottom plate 7, the feeding plate 8 is arranged above the sieve plate 3, two ends of the air cylinder 9 are respectively hinged with the bottom plate 7 and the feeding plate 8, the quantitative discharging assembly is arranged at the bottom of the hopper 6 and used for quantitatively discharging the feeding plate 8, and is composed of the quantitative discharging assembly through a discharging pipe 61, baffle 62, integral key shaft 63 and link 64 are constituteed, discharging pipe 61 communicates with hopper 6, discharging pipe 61 is located the top of pan feeding board 8, baffle 62 cooperation is installed in the ascending rectangular channel of discharging pipe 61 vertical direction, baffle 62 can realize the shutoff and open discharging pipe 61 along the displacement of vertical direction then, integral key shaft 63 sets up the side at baffle 62, and the one end and the bottom plate 7 of link 64 are connected, the other end and integral key shaft 63 cooperation, and then link 64 can be along the central axis direction displacement of integral key shaft 63, and will drive integral key shaft 63 and move down in step when link 64 moves down, and the central axis slip of the relative integral key shaft 63 of link 64 can avoid the motion interference when bottom plate 7 reciprocating translation.

The working principle of the invention is as follows: dumping materials to be screened into a hopper 6, the materials fall along a discharge pipe 61 and fall on a feeding plate 8, a motor 51 drives a crank rod 52 to rotate in the blanking process, a support frame 2 is driven to reciprocate through a connecting rod 53, a screen plate 3 moves along with the support frame 2 in a reciprocating mode, a top plate 55 moves synchronously with the screen plate 3, a protruding portion and a plane portion on the top plate 55 alternately contact with an ejector rod 54, the screen plate 3 is pushed to move upwards when the ejector rod 54 contacts with the protruding portion, vibration of the screen plate 3 is achieved when the ejector rod 54 reciprocates to contact with the protruding portion, the feeding plate 8 moves synchronously and vibrates along with the screen plate 3, the materials falling from the discharge pipe 61 are flatly laid on the feeding plate 8, when the gravity of the materials on the feeding plate 8 is larger than the supporting force of a spring II 71, a bottom plate 7 moves downwards, a connecting frame 64 is driven in the downward moving process of the bottom plate 7, the baffle plate 63 drives the baffle plate 62 to move downwards, the baffle 62 to plug the interior of the discharge pipe 61, the discharge pipe cannot push the quantitative discharge pipe to push the screening effect of the screening plate 9, the screening plate 8 to move upwards and the screening plate 8 uniformly, and the screening effect of the materials can be prevented from being stacked on the feeding plate 3 when the screening plate 3 is uniformly distributed;

and the range of pan feeding board 8 reciprocal translation is different when facing different size materials, for example need pan feeding board 8 reciprocal translation range great can realize the material evenly distributed when facing the material of less size, the translation range of pan feeding board 8 is less when facing the material of great size on the contrary, consequently can effectually avoid the uneven condition of material distribution, and the regulation mode of pan feeding board 8 motion range is, the distance that rotates threaded rod 522 and make slider 521 relative motor 51 center of rotation changes, is equivalent to changing the eccentricity of crank, and then realizes the regulation of pan feeding board 8 motion range.

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 mining shale shaker, includes frame (1), support frame (2), sieve (3), spring I (4), vibration mechanism (5), hopper (6), bottom plate (7), pan feeding board (8) and cylinder (9), its characterized in that:

the screen plate feeding device is characterized in that the support frame (2) is installed in a guide rail on the rack (1) in a matched mode, a moving pair is formed in the guide rail, the screen plate (3) is installed on the support frame (2) through a spring I (4), the vibration mechanism (5) comprises a motor (51), a crank rod (52), a connecting rod (53), an ejector rod (54) and a top plate (55), the motor (51) is arranged on the rack (1), the crank rod (52) is fixedly sleeved on a power output end of the motor, one end of the connecting rod (53) is hinged to the crank rod (52), the other end of the connecting rod is hinged to the support frame (2), the ejector rod (54) is arranged on the rack (1), the top plate (55) is arranged at the bottom of the screen plate (3), the end portion of the ejector rod (54) is in contact with a plane portion on the top plate (55), a protruding portion is arranged on the top plate (55), the screen plate (3) can be jacked when the ejector rod (54) is in contact with the protruding portion, the hopper (6) is arranged above the screen plate (3), the bottom plate (7) is in a support rod on the side face of the screen plate (3), a through hole of the bottom plate (7) is arranged in a through hole in a through which a through hole (7) in the screen plate (7) and a through hole (7) in a spring plate (7) and a through hole (8) arranged above the screen plate (7) and a through hole (7) hinged on the screen plate (8) and a spring plate (7) and a feed plate (8) arranged above the screen plate (3), two ends of the air cylinder (9) are respectively hinged with the bottom plate (7) and the feeding plate (8), and the bottom of the hopper (6) is provided with a quantitative discharging assembly which is used for quantitatively discharging materials to the feeding plate (8);

quantitative ejection of compact subassembly comprises discharging pipe (61), baffle (62), integral key shaft (63) and link (64), discharging pipe (61) and hopper (6) intercommunication, discharging pipe (61) are located the top of pan feeding board (8), baffle (62) cooperation is installed in the rectangular channel of discharging pipe (61) vertical side, so baffle (62) can realize the shutoff and open discharging pipe (61) along the displacement of vertical direction, integral key shaft (63) set up the side at baffle (62), and the one end and bottom plate (7) of link (64) are connected, the other end and integral key shaft (63) cooperation.

2. The mining vibrating screen of claim 1, wherein: the guide groove of the crank rod (52) is internally provided with a sliding block (521) in a matching way, the crank rod (52) is internally and rotatably provided with a threaded rod (522), and the threaded rod (522) penetrates through the sliding block (521) and is in threaded connection with the sliding block (521).

3. The mining vibrating screen of claim 2, wherein: one end of the connecting rod (53) is hinged with the sliding block (521).

4. The mining vibrating screen of claim 1, wherein: the sieve plate (3) is arranged obliquely.