CN211997095U

CN211997095U - Anti-blocking and anti-accumulation system of discharging hopper

Info

Publication number: CN211997095U
Application number: CN202020577166.0U
Authority: CN
Inventors: 石巍
Original assignee: Jiangsu Hewa Screening Product Co Ltd
Current assignee: Jiangsu Hewa Screening Product Co Ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-11-24
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to a blanking hopper anti-blocking and anti-accumulation system, which comprises a hopper, wherein a frame is respectively arranged on the inner wall of each side of the hopper, a plurality of hinged springs which elastically stretch in the vertical plane of the inner wall of the hopper are arranged between one side of the frame and the inner wall of the hopper, each hinged spring comprises at least one group of first support arm and second support arm which are respectively connected with the frame and the inner wall of the hopper and are positioned in the vertical plane of the wall of the hopper, a plurality of layers of flexible polyurethane vibrating plates which cover the inner wall of the hopper are arranged on the other side of the frame, the upper edges of the flexible vibrating plates are fixedly connected with the frame, at least one excitation motor which is fixedly connected is arranged at the top of the frame, the excitation frame and the inner wall of the hopper are elastically supported and connected by the hinged springs, materials falling onto the flexible vibrating plates of the frame in the blanking process under the screen are shaken off, the, the manpower and material resources are saved, the maintenance time is shortened, and the screening application requirements of the unmanned mine are met.

Description

Anti-blocking and anti-accumulation system of discharging hopper

Technical Field

The utility model relates to a stifled long-pending material system of preventing of unloading hopper belongs to undersize unloading hopper technical field.

Background

The screening mechanical equipment adopts a vibration motor to excite a screen, so that materials on the screen surface are thrown up and fall down from the screen reasonably matched with the aperture of a screen mesh under the action of gravity to achieve the purposes of screening and controlling the fineness of the materials;

sieve machine whereabouts area is considered in the design of hopper, many-sided factors such as building height, the adjustment of hopper wall angle is limited, run into the condition that undersize material powder content is high and moisture content is high even, wet glutinous powder is very easy to adhere to and pile up at the hopper wall, only can not solve long-pending material or even putty problem completely through increasing hopper wall angle, hopper wall adhesion material can upwards pile up fast in the short time until sieve machine sieve end girder, can influence the unloading on the one hand, can influence sieve machine vibration setting in addition and cause the injury to the sieve machine, increase maintenance time and cost, be difficult to satisfy the screening in unmanned mine and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a unloading hopper prevents stifled long-pending material system that prevents, avoid undersize hopper wall adhesion material wet glutinous material even, pile up until the problem that the sieve machine screen bottom girder influences the unloading, damages machinery even, the material resources of using manpower sparingly reduce the maintenance time, satisfy the screening application demand in unmanned mine.

The utility model discloses a realize through following technical scheme:

an anti-blocking and anti-accumulation system of a blanking hopper comprises the hopper, wherein a frame is arranged on the inner wall of each side of the hopper, a plurality of hinged springs which elastically stretch in the vertical plane of the inner wall of the hopper are arranged between one side of the frame and the inner wall of the hopper, a plurality of layers of flexible material shaking plates which cover the inner wall of the hopper are arranged on the other side of the frame, the upper edges of the flexible material shaking plates are fixedly connected with the frame, and the top of the frame is provided with at least one excitation motor which is fixedly connected;

the flexible material shaking plates are made of polyurethane, and the lower edges of the upper flexible material shaking plates of the plurality of layers of flexible material shaking plates are lapped outside the upper edges of the flexible material shaking plates at the lower side;

the hinged support spring comprises at least one group of first support arm and second support arm which are respectively connected with the frame and the inner wall of the hopper and are positioned in the vertical plane of the hopper wall, one end of the first support arm is provided with a connecting column with a rectangular cross section, one end of the second support arm is provided with a connecting frame which is sleeved outside the connecting column and has a rectangular cross section, and elastic rods are arranged between four sides of the connecting column and four corners inside the connecting frame;

the other ends of the first support arm and the second support arm are respectively provided with a positioning column which is vertically connected, and the frame and the hopper are respectively provided with a positioning hole which is sleeved outside the positioning column.

The utility model has the advantages that:

when the blanking hopper is assembled below the screening mechanical equipment for blanking, the motor vibrates integrally to generate reciprocating vibration and can drive the frame to vibrate synchronously, the frame is elastically supported and connected with the inner wall of the hopper through a hinged spring, so that the positioning column deflects in the positioning hole, the connecting column deflects in the connecting frame, the included angle between the first support arm and the second support arm is changed under the buffering of the elastic rod, the elastic expansion in the vertical plane of the inner wall of the hopper is formed, and the interval change between the frame and the inner wall of the hopper is adapted;

when the frame vibration is being received to the flexible flitch of trembling, every part can obtain different vibration intensity, polyurethane itself prevents the characteristic that bonds in addition, can shake off falling to the material that the flexible on the flitch of trembling, avoids undersize hopper wall adhesion material wet glutinous material even, piles up until the influence unloading of screen frame sieve end girder, damage mechanical problem even, not only can use manpower and materials sparingly, reduces the maintenance duration, also make relevant preparation condition for the screening application in unmanned mine simultaneously.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is an enlarged structural view of a portion a of fig. 1.

Fig. 3 is a structural diagram of the frame connection of the present invention.

Fig. 4 is a front perspective view of the hinge support spring connection of the present invention.

Fig. 5 is a rear perspective view of the hinge support spring connection of the present invention.

The labels in the figure are: hopper 1, frame 2, hinge spring 3, flexible tremble flitch 4, excitation motor 5, horizontal muscle 21, indulge muscle 22 and diagonal muscle 23, first support arm 31 and second support arm 32, spliced pole 6, linking frame 7, elastic rod 8, registration arm 9, reference column 10, locating hole 11, extension board 12.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

An anti-blocking and anti-accumulation system of a blanking hopper comprises a hopper 1, wherein a frame 2 is arranged on the inner wall of each side of the hopper 1, a plurality of hinged springs 3 which elastically stretch in a vertical plane of the inner wall of the hopper 1 are arranged between one side of the frame 2 and the inner wall of the hopper 1, a plurality of layers of flexible material shaking plates 4 which cover the inner wall of the hopper 1 are arranged on the other side of the frame 2, the upper edges of the flexible material shaking plates 4 are fixedly connected with the frame 2, and at least one excitation motor 5 which is fixedly connected is arranged at the top of the frame 2;

the flexible material shaking plates 4 are made of polyurethane, and the lower edges of the flexible material shaking plates 4 on the upper layer of the plurality of layers of flexible material shaking plates 4 are lapped outside the upper edges of the flexible material shaking plates 4 on the lower side;

the frame 2 comprises a plurality of transverse ribs 21, longitudinal ribs 22 and inclined ribs 23 which are connected in a staggered manner, and the hinged springs 3 are positioned on the transverse ribs 21, the longitudinal ribs 22 and the inclined ribs 23 or at the joints of the transverse ribs 21, the longitudinal ribs 22 and the inclined ribs 23;

the hinged spring 3 comprises at least one group of first support arm 31 and second support arm 32 which are respectively connected with the frame 2 and the inner wall of the hopper 1 and are positioned in the vertical plane of the wall of the hopper 1, one end of the first support arm 31 is provided with a connecting column 6 with a rectangular section, and one end of the second support arm 32 is provided with a connecting frame 7 which is sleeved outside the connecting column 6 and has a rectangular section;

elastic rods 8 are arranged between the four sides of the connecting column 6 and the four inner corners of the connecting frame 7, the section of each elastic rod 8 is circular or is provided with a tangent plane matched with the inner wall of the connecting frame 7, and each elastic rod 8 is made of elastic rubber or a spring rod;

the other ends of the first support arm 31 and the second support arm 32 are respectively provided with a positioning column 10 which is vertically connected, the frame 2 and the hopper 1 are respectively provided with a positioning hole 11 which is sleeved outside the positioning column 10, the frame 2 and the hopper 1 are respectively provided with a plurality of support plates 12, each support plate 12 is provided with at least one positioning tube 9, and the positioning hole 11 is positioned on the positioning tube 9.

The utility model discloses a theory of operation does:

when the hinged spring 3 is assembled: the connecting frame 7 of the second support arm 32 is sleeved outside the rectangular connecting column 6 of the first support arm 31, the elastic rod 8 is plugged between the four sides of the connecting column 6 and the four inner corners of the connecting frame 7, the elastic rod 8 is changed into a structure shown in the attached drawing 2 under the extrusion stress when the section of the elastic rod 8 is circular or is convenient to assemble by directly adopting a tangent plane structure, the elastic rod 8 is made of elastic rubber materials or spring rods and plays an elastic buffering role under the extrusion stress of the connecting frame 7 and the connecting column 6 on the outer wall;

when the frame 2 is assembled with the inner wall of the hopper 1: the frame 2 is made of metal and other materials with certain hardness, and the transverse ribs 21, the longitudinal ribs 22 and the inclined ribs 23 are connected to adapt to various shapes of the inner wall of the hopper 1 on each side, and the support is stable, so that the assembly of the hinged springs 3 is facilitated at the positions of the transverse ribs 21, the longitudinal ribs 22 and the inclined ribs 23 or at the joints of the transverse ribs 21, the longitudinal ribs 22 and the inclined ribs 23;

the positioning columns 10 of the first support arm 31 and the second support arm 32 of the hinged spring 3 are respectively sleeved into the positioning holes 11 of the positioning pipes 9 of the frame 2 and the hopper 1 to realize the movable connection between the hinged spring 3 and the frame 2 and the hopper 1, the transverse ribs 21, the longitudinal ribs 22 and the inclined ribs 23 fix the hinged spring 3 and the positioning holes 11 of the support plate 12, and then the support plate 12 and the frame 2 are fixed with the inner wall of the hopper 1 to realize the assembly;

the bottom of an excitation motor 5 is fixedly connected to the top of a frame 2, the upper edge of each layer of flexible material shaking plate 4 made of polyurethane is fixedly connected with the frame 2, the lower edge of each flexible material shaking plate 4 is floating, and the lower edge of the flexible material shaking plate 4 on the upper layer of the plurality of layers of flexible material shaking plates 4 is lapped outside the upper edge of the flexible material shaking plate 4 on the lower side, so that a material shaking structure covering the inner wall of a hopper 1 is formed, and kinetic energy is mutually transferred;

when the blanking hopper 1 is assembled below the screening mechanical equipment for blanking, the excitation motor 5 can adopt a YSZ vibration source three-phase asynchronous motor, the excitation motor 5 is started, the motor vibrates integrally to generate reciprocating excitation vibration energy to drive the frame 2 to excite synchronously, the frame 2 is connected with the inner wall of the hopper 1 through the hinged spring 3 in an elastic supporting manner, when the distance between the frame 2 and the hopper 1 is changed in the excitation process, the first support arm 31 of the hinged spring 3 is pulled to enable the positioning column 10 to deflect in the positioning hole 11, the connecting column 6 deflects in the connecting frame 7, the elastic expansion formed in the vertical plane of the inner wall of the hopper 1 by changing the included angle between the first support arm 31 and the second support arm 32 is changed, the change of the distance between the frame 2 and the inner wall of the hopper 1 is adapted, the elastic rod 8 plays a buffering role, and the frame 2 is enabled to perform quick, continuous and reliable reciprocating actions under the action;

force is conducted to each flexible material shaking plate 4 of polyurethane in the excitation process of the frame 2, because the flexible material shaking plate 4 is only fixed along last, the lower edge is free state, and every layer of mutual overlap joint, therefore the flexible material shaking plate 4 can obtain different vibration intensity when receiving the vibration, polyurethane self prevents the characteristic of bonding, can shake off the material that falls to on the flexible material shaking plate 4 at the unloading in-process, avoid the material to bond on 1 inner wall of hopper, fine solution material or even wet glutinous material adhesion problem, avoid 1 wall adhesion material of hopper down to pile up until the problem that sieve bottom of the sieve girder influences unloading and even damages machinery, manpower and materials can be saved, reduce the maintenance time, also make relevant preparation conditions for the screening application of unmanned mine simultaneously.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a stifled long-pending material system of preventing of unloading hopper, includes the hopper, its characterized in that, respectively be equipped with the frame on the every side inner wall of hopper, be equipped with a plurality of flexible hinged springs that elastically stretch out and draw back in the vertical plane of hopper inner wall between frame one side and the hopper inner wall, the frame opposite side is equipped with a plurality of layers of flexible flitch of trembling that covers the hopper inner wall, flexible trembling is gone up along and is fixed continuous with the frame, the frame top is equipped with at least one fixed connection's excitation motor.

2. The blanking hopper anti-blocking and anti-accumulation system as claimed in claim 1, wherein the frame comprises a plurality of transverse ribs, longitudinal ribs and diagonal ribs which are connected in a staggered manner, and the hinge springs are located on the transverse ribs, the longitudinal ribs and the diagonal ribs or at the junctions of the transverse ribs, the longitudinal ribs and the diagonal ribs.

3. The blanking hopper anti-blocking and anti-accumulation system as claimed in claim 1, wherein the flexible material shaking plate is made of polyurethane.

4. The anti-blocking and anti-accumulation system for the blanking hopper as claimed in claim 1, wherein the lower edge of the flexible material shaking plate at the upper layer of the plurality of layers of flexible material shaking plates is overlapped with the outer side of the upper edge of the flexible material shaking plate at the lower side.

5. The blanking hopper anti-blocking and anti-accumulation system according to any one of claims 1 to 4, wherein the hinged support spring comprises at least one set of a first support arm and a second support arm which are respectively connected with the frame and the inner wall of the hopper and are positioned in the vertical plane of the hopper wall, a connecting column with a rectangular cross section is arranged at one end of the first support arm, a connecting frame which is sleeved outside the connecting column and has a rectangular cross section is arranged at one end of the second support arm, and elastic rods are arranged between four sides of the connecting column and four inner corners of the connecting frame.

6. A blanking hopper anti-blocking and anti-accumulation system as claimed in claim 5, wherein said resilient bars are circular in cross-section or have a cut surface matching the inner wall of the connecting frame.

7. The blanking hopper anti-blocking and anti-accumulation system as claimed in claim 5, wherein the elastic rod is made of elastic rubber or a spring rod.

8. The blanking hopper anti-blocking and anti-accumulation system as claimed in claim 5, wherein the other ends of the first support arm and the second support arm are provided with positioning posts vertically connected with each other, and the frame and the hopper are provided with positioning holes sleeved outside the positioning posts.

9. The blanking hopper anti-blocking and anti-accumulation system as claimed in claim 8, wherein a plurality of support plates are provided on each of the frame and the hopper, at least one positioning tube is provided on each support plate, and the positioning holes are provided on the positioning tubes.