CN210943159U

CN210943159U - Blanking mechanism

Info

Publication number: CN210943159U
Application number: CN201921672347.5U
Authority: CN
Inventors: 王斌伟; 张嘉; 刘南林
Original assignee: WINLAND TECHNOLOGIES Inc
Current assignee: WINLAND TECHNOLOGIES Inc
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-07
Anticipated expiration: 2029-09-30

Abstract

This application is applicable to unloading equipment technical field, provides an unloading mechanism, includes: the arch breaking support is used for accommodating the storage bin; the auger is rotatably arranged below the arch breaking support and is used for rotating to stir the materials falling from the arch breaking support; the cam structure is connected between the packing auger and the arch breaking support, and drives the arch breaking support to reciprocate along the vertical direction under the driving of the packing auger so as to break the arch of the material. Through set up the cam structure between auger and broken arch support, broken arch support below is located to the auger, and the auger rotates and to drive the activity of cam structure so that broken arch support is along vertical direction reciprocating motion to stir the material in the feed bin of holding on the broken arch support, solve the knot when the material unloading in the feed bin and encircle the problem. And the cam structure moves under the drive of the auger, a new power device is not required to be introduced, the structure is very simple, the volume of the storage bin is not required to be changed, the blanking efficiency of the blanking mechanism is improved, the use under various scenes or conditions can be met, and the adaptability is strong.

Description

Blanking mechanism

Technical Field

The utility model belongs to the technical field of the unloading equipment, more specifically say, relate to an unloading mechanism.

Background

At present, on the basis of consideration of economic cost and convenience, the automatic continuous feeding action of granular and powdery materials such as feed, medicines and the like in a feeding mechanism is usually realized by self gravity. However, the material is subjected to the comprehensive influence of the properties of self gravity, water content, particle size distribution, viscosity, angle of repose, friction coefficient with the inner side wall of the bin of the blanking mechanism and the like, and the factors of the inclination angle of the inner side wall of the bin, the size of an outlet of the bin and the like, so that the particles and the powdery material are easy to form an arch formation phenomenon during automatic blanking.

For smaller particle size particulate or powdery materials, it is often necessary to reduce the angle of inclination of the internal side walls of the silo to account for arching. But this can reduce the volume of feed bin, leads to the holding space that the feed bin can hold the material simultaneously to reduce the unloading efficiency of material. And because the reduction of feed bin volume makes this feed bin can't hold the great granular material of volume, the adaptability of unloading mechanism is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unloading mechanism aims at solving prior art, and the automatic unloading efficiency of solving the material reduces and the poor technical problem of unloading mechanism adaptability.

In order to solve the above problem, an embodiment of the utility model provides an unloading mechanism, include:

the arch breaking support is used for accommodating the storage bin;

the auger is rotatably arranged below the arch breaking support and is used for rotating to stir the materials falling from the arch breaking support;

the cam structure is connected between the packing auger and the arch breaking support and drives the arch breaking support to do reciprocating motion along the vertical direction under the driving of the packing auger so as to break the arch of the material.

Furthermore, the cam structure comprises a driven frame and a cam, the cam is connected to one end of the packing auger, the driven frame is connected to the bottom end of the arch breaking support, and the cam is movably matched with the driven frame and can drive the driven frame to reciprocate along the vertical direction.

Furthermore, the driven frame and the arch breaking support are integrally formed.

Preferably, a circular or elliptical first rotating groove is formed in the driven frame, the cam is an eccentric cam, the eccentric cam is rotatably arranged in the first rotating groove, and the outer side wall of the eccentric cam is in contact connection with the inner side wall of the first rotating groove.

Optionally, a rectangular second rotating groove is formed in the driven frame, the cam is an equal-width cam, the equal-width cam is rotatably arranged in the second rotating groove, and the outer side wall of the equal-width cam is in contact connection with the inner side wall of the second rotating groove.

Optionally, an annular groove is formed in one side of the cam, a protruding block is arranged at the bottom of the driven frame, and the protruding block is slidably arranged in the groove.

Further, the cam structure also comprises a turntable arranged on one side of the cam, and the turntable is abutted between one end of the packing auger and the driven frame.

Further, the auger center is equipped with the axis of rotation, the axis of rotation is used for connecting outside drive arrangement and can drive the auger rotates, the cam is located axis of rotation one end is served and can the drive of axis of rotation rotates down.

Furthermore, the arch breaking support comprises a first frame, a second frame and a connecting frame, wherein the first frame and the second frame are arranged oppositely and at intervals, the connecting frame is connected between the first frame and the second frame, the first frame and the second frame are respectively enclosed to form a feeding hole and a discharging hole, and the inner diameter of the feeding hole is larger than that of the discharging hole.

Further, the feed inlet is round or rectangular, and the feed outlet is round or rectangular.

The utility model provides an unloading mechanism's beneficial effect lies in: compared with the prior art, the utility model has the advantages that the cam structure is arranged between the auger and the arch breaking bracket, the auger is arranged below the arch breaking bracket, and when materials fall down from the arch breaking bracket, the auger rotates to stir the materials; simultaneously, the rotation of the auger can drive the cam structure to move so that the arch breaking support can reciprocate along the vertical direction, so that materials in the storage bin accommodated on the arch breaking support are stirred, and the arch forming problem of the materials during discharging in the storage bin is solved. And the cam structure moves under the drive of the auger, a new power device is not required to be introduced, the structure is very simple, the volume of the storage bin is not required to be changed, the blanking efficiency of the blanking mechanism is improved, the use under various scenes or conditions can be met, and the adaptability is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a three-dimensional structure diagram of a blanking structure provided in the first embodiment of the present invention;

FIG. 2 is a side view of the blanking mechanism shown in FIG. 1;

FIG. 3 is another side view of the blanking mechanism shown in FIG. 1;

FIG. 4 is a three-dimensional structure view of the arch breaking support and the driven frame of the blanking mechanism shown in FIG. 1 in an integrated manner;

FIG. 5 is a perspective view of an arch breaking bracket of the blanking mechanism shown in FIG. 1;

FIG. 6 is a top view of an alternative one of the arch breaking supports shown in FIG. 5;

FIG. 7 is a top view of a second alternative of the arch support of FIG. 5;

FIG. 8 is a top plan view of an alternative third of the arch support of FIG. 5;

FIG. 9 is a top plan view of an alternative fourth of the arch support of FIG. 5;

fig. 10 is a side view of a cam structure of a blanking mechanism according to a second embodiment of the present invention;

fig. 11 is a side view of a cam structure of the blanking mechanism provided in the third embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100-a blanking mechanism; 10-breaking the arch support; 20-cam configuration; 30-a packing auger; 40-a rotating shaft; 11-a first frame; 12-a second frame; 13-connecting frame/connecting rod; 14-a feed inlet; 15-a feed opening; 21-a driven frame; 22-a cam; 23-a turntable; 211-a first rotation slot; 212-a second rotation slot; 213-a bump; 214-a connecting segment; 215-support section; 216-lightening holes; 221-a groove; 222-rotating the hole; 223-limit groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and 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 thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" 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 specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows:

referring to fig. 1, a blanking mechanism 100 according to an embodiment of the present invention includes an arch breaking bracket 10, an auger 30, and a cam structure 20.

In particular, the arch support 10 is intended to receive an external silo. The auger rotates and is located the below of broken arch support 10, and the auger is used for connecting external drive arrangement and can rotate under external drive arrangement's drive, and the material falls to the below of broken arch support 10 and falls onto the auger from the feed bin, thereby the auger drives the material rotation when rotating and realizes the stirring to the material. Cam structure 20 is connected between auger 30 and broken hunch support 10, specifically be cam structure 20 locate auger 30 one end and with broken hunch support 10 swing joint, auger 30 rotates under the drive and can drive broken hunch support 10 along vertical direction reciprocating motion, thereby make the material when falling to auger 30 before be located the feed bin promptly, the broken hunch support of accessible 10 along vertical direction's reciprocating motion realization to the stirring of material, thereby make the material accomplish first stirring before the stirring in auger 30, can strengthen the continuous stirring of material, solve the knot of material when the unloading and encircle the problem.

In the embodiment of the utility model, the cam structure 20 is arranged between the auger 30 and the arch breaking bracket 10, the auger 30 is arranged below the arch breaking bracket 10, and when materials fall from the arch breaking bracket 10, the auger 30 rotates to stir the materials; simultaneously the rotation of auger 30 can drive the activity of cam structure 20 thereby make broken support 10 of encircleing can be along vertical direction reciprocating motion to stir the material in the feed bin of holding on broken support 10 of encircleing, solve the knot problem of encircleing when the material is unloading in the feed bin. And the cam structure 20 moves under the drive of the auger 30, does not need to introduce a new power device, has very simple structure and lower manufacturing cost, does not need to change the volume of the storage bin, improves the blanking efficiency of the blanking mechanism, can meet the use under various scenes or conditions, and has stronger adaptability.

Specifically, in order to realize better stirring of the material by the auger 30, the auger 30 is arranged right below the arch breaking support 10.

Further, referring to fig. 1 to 3, in the present embodiment, the cam structure 20 includes a driven frame 21 and a cam 22, the driven frame 21 is disposed at the lower end of the arch breaking support 10 and is located at one end of the packing auger 30, the cam 22 is connected to one end of the packing auger 30 and is driven to rotate by the rotation of the packing auger 30, and the cam 22 is movably engaged with the driven frame 21. The cam 22 can rotate under the driving of the auger to realize the movable fit with the driven frame 21, so that the driven frame 21 reciprocates along the vertical direction, and at the moment, the driven frame 21 drives the arch breaking support 10 to reciprocate along the vertical direction to stir materials.

Specifically, the driven frame 21 is detachably connected with the arch breaking support 10, so that the arch breaking support 10 can be replaced conveniently according to actual use conditions, and the practicability is improved.

Specifically, referring to fig. 1, in the present embodiment, the driven frame 21 includes a connecting section 214 and a supporting section 215 that are connected to each other, the connecting section 214 is movably connected to the cam 22, the supporting section 215 is respectively connected to the bottom of one side of the arch breaking support 10 and the connecting section 214, the connecting section 214 reciprocates in the vertical direction under the matching transmission action of the cam 22 and drives the supporting section 215 to move, and the supporting section 215 is used for supporting the arch breaking support 10, so as to drive the arch breaking support 10 to move.

The support section 215 is provided with a lightening hole 216 for lightening the weight of the support section 215, and the transmission burden of the cam 22 is lightened while the movement of the arch breaking support 10 is realized.

Specifically, in the present embodiment, the connecting section 214 and the supporting section 215 are integrally formed, but not limited thereto.

Further, referring to fig. 4, in this embodiment, in order to facilitate the molding of the arch breaking support 10 and the driven frame 21, the driven frame 21 and the arch breaking support 10 may be integrally disposed, and of course, according to actual requirements, the driven frame 21 and the arch breaking support 10 may not be integrally disposed, which is not limited herein.

Further, referring to fig. 1 and fig. 2, in the present embodiment, the bottom of the driven frame 21 is provided with a first rotating groove 211, specifically, the first rotating groove 211 is disposed on the connecting section 214, the cam 22 is an eccentric cam 22, and the eccentric cam 22 is rotatably disposed in the first rotating groove 211. The cam 22 rotates in the first rotating groove 211 under the rotation of the packing auger 30, and the outer side wall of the cam 22 is always in contact connection with the inner side wall of the first rotating groove 211, so that the driven frame 21 can be driven to reciprocate along the vertical direction.

In this embodiment, the first rotating groove 211 is formed in an elliptical shape, and the major axis of the first rotating groove 211 is horizontally arranged and the minor axis thereof is vertically arranged. Of course, the shape of the first rotating groove 211 may be circular or other shapes that can achieve the reciprocating motion in the vertical direction after the driven frame 21 and the cam 22 cooperate, and the shape is not limited herein.

Further, referring to fig. 1 to 3, in this embodiment, the cam structure 20 further includes a turntable 23 disposed on one side of the cam 22, the turntable 23 is disposed on one side of the cam 22 close to the packing auger 30, and is rotationally fixed to the cam 22, and the turntable 23 is supported between one end of the packing auger 30 and the driven frame 21, so that when the packing auger 30 drives the cam 22 to rotate, the turntable 23 rotates between the driven frame 21 and one end of the packing auger 30, thereby achieving a limiting effect of the driven frame 21, avoiding a phenomenon that the packing auger 30 cannot rotate due to the fact that the weight of the material and the arch breaking support 10 is too large when the cam 22 drives the driven frame 21 to rotate, and simultaneously avoiding a situation that the packing auger 30 cannot rotate due to the fact that the driven frame 21 and the arch breaking support 10 tilt toward one side of the packing auger 30, and providing convenience for the stirring function of the.

In the present embodiment, the driven frame 21 and the turntable 23 are both plate-shaped structures, and have a simple structure and a light weight, so that the rotation load of the rotating shaft 40 or the auger 30 can be effectively reduced.

Further, referring to fig. 1, in the present embodiment, a rotating shaft 40 is disposed at the center of the packing auger 30, the rotating shaft 40 is used for connecting an external driving device, the rotating shaft 40 can drive the packing auger 30 to rotate under the driving of the external driving device, and the cam 22 is disposed at one end of the rotating shaft 40 and can be driven to rotate by the rotating shaft 40. In this embodiment, one end of the rotating shaft 40 is connected to the external driving device, and the other end is connected to the cam 22, but the external driving device and the cam 22 may be disposed at the same end of the rotating shaft 40, and the relative position of the cam 22 and the external driving device is not limited herein.

Specifically, referring to fig. 2, in the present embodiment, an eccentric rotation hole 222 is formed on the cam 22, and the other end of the rotation shaft 40 is connected to the rotation hole 222. Wherein, be equipped with a plurality of evenly arranged's arch (not shown) on the axis of rotation 40, correspond on the inside wall of rotation hole 222 and be equipped with a plurality of evenly distributed's spacing groove 223, a plurality of archs correspond and insert and locate in spacing groove 223 to strengthen the joint strength between axis of rotation 40 and the cam 22, improve the accuracy that axis of rotation 40 drove broken arch support 10 along vertical direction reciprocating motion.

Of course, in this embodiment, the cam 22 may also be directly fixed to one end of the screw conveyor 30, and the screw conveyor 30 can drive the cam 22 to rotate when rotating, and here, the specific fixing manner of the cam 22 is not limited.

Specifically, referring to fig. 3, the turntable 23 is configured as a circular turntable 23, but of course, the invention is not limited thereto. The rotation hole 222 (not shown) of the rotary plate 23 and the rotation hole 222 of the cam 22 are concentrically disposed and connected to one end of the rotation shaft 40, and the rotation shaft 40 can rotate to drive the rotary plate 23 to rotate.

The rotating disk 23 and the cam 22 may be integrally formed, and are not limited herein.

In this embodiment, in order to improve the accuracy of the matching activity between the cam 22 and the first rotating groove 211, a groove (not shown) is formed on the inner side wall of the first rotating groove 211, a protruding strip (not shown) is convexly formed on the outer side wall of the cam 22, and when the cam 22 rotates in the first rotating groove 211, the protruding strip correspondingly rotates in the groove, so that the accurate limit between the cam 22 and the first rotating groove 211 is realized, and the arch breaking support 10 and the driven frame 21 are prevented from toppling over during the movement.

Further, referring to fig. 1 and fig. 5, in the present embodiment, the arch breaking support 10 includes a first frame 11, a second frame 12 and a connecting frame 13, the second frame 12 is opposite to the first frame 11 and is disposed at an interval, the second frame 12 is disposed below the first frame 11, the first frame 11 and the second frame 12 are connected by the connecting frame 13, the first frame 11 and the second frame 12 respectively enclose to form a feeding port 14 and a discharging port 15, that is, the discharging port 15 is disposed below the feeding port 14, an inner diameter of the feeding port 14 is greater than an inner diameter of the discharging port 15, so that the arch breaking support 10 forms a structure with an inverted trapezoidal cross section, and the cross section of the storage bin is inverted trapezoidal. In this embodiment, the three-dimensional space formed by the first frame 11, the second frame 12 and the connecting frame 13 is used for accommodating the storage bin, and the three-dimensional space formed by the three-dimensional space is matched with the shape of the storage bin in practical application.

Further, referring to fig. 5 to 8, in the present embodiment, the feed opening 14 may be circular or rectangular, the discharge opening 15 may be circular or rectangular, and the shapes of the feed opening 14 and the discharge opening 15 may be different.

Specifically, referring to fig. 5, in the present embodiment, the feeding opening 14 and the discharging opening 15 are both rectangular, that is, the first frame 11 and the second frame 12 are both rectangular.

Referring to fig. 6, in this embodiment, the feed opening 14 and the discharge opening 15 are both circular.

Referring to fig. 7, in this embodiment, the feed opening 14 is rectangular and the discharge opening 15 is circular.

Referring to fig. 8, in this embodiment, the feed opening 14 is circular, and the discharge opening 15 is rectangular.

Specifically, the feed inlet 14 and the feed outlet 15 may be set to have the same or different shapes according to actual requirements, and of course, the shapes of the feed inlet 14 and the feed outlet 15 may be set to have other shapes, so that the bins with different shapes can be accommodated. The shapes of the feed opening 14 and the discharge opening 15 are not limited to the above.

Further, in the present embodiment, the connecting frame 13 includes a plurality of connecting rods 13 respectively connected between the first frame 11 and the second frame 12, and the number of the connecting rods 13 is set to be plural.

Specifically, referring to fig. 5, in the present embodiment, four connecting rods 13 are provided, and two ends of each connecting rod 13 are respectively connected to the corners of the rectangular first frame 11 and the rectangular second frame 12. Of course, referring to fig. 5, when the first frame 11 and the second frame 12 are circular, one end of each connecting rod 13 is uniformly distributed on the first frame 11, and the other end of each connecting rod 13 is uniformly distributed on the second frame 12, so as to enhance the balance of the entire arch breaking support 10.

Referring to fig. 9, in the embodiment, six connecting rods 13 are provided, wherein two ends of four connecting rods 13 are respectively connected to the corner of the first frame 11 and the corner of the second frame 12, and one ends of two other connecting rods 13 are respectively connected to two opposite long sides of the first frame 11.

Of course, in this embodiment, the number and connection manner of the connection rods 13 are not limited uniquely.

Example two:

the difference between this embodiment and the first embodiment is:

referring to fig. 10, in the present embodiment, the bottom of the driven frame 21 is provided with a second rotating groove 212, the second rotating groove 212 is disposed on the connecting section 214, and the second rotating groove 212 is rectangular and includes a long direction and a square shape, the cam 22 is an equal-width cam 22, the equal-width cam 22 is rotatably disposed in the second rotating groove 212, an outer side wall of the equal-width cam 22 is in contact connection with an inner side wall of the second rotating groove 212, and can drive the driven frame 21 and the arch breaking support 10 to reciprocate along the vertical direction.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

Example three:

the difference between this embodiment and the first embodiment is:

referring to fig. 11, in the present embodiment, an annular groove 221 is concavely formed on one side of the cam 22, a protrusion 213 is disposed at the bottom of the driven frame 21, the protrusion 213 is disposed on the connecting section 214, and the protrusion 213 is slidably disposed in the groove 221.

The rotating hole 222 of the cam 22 is the same as the axis of the center of the auger 30, and the groove 221 is arranged around the axis, so that when the auger 30 drives the cam 22 to rotate, the bump 213 can rotate along the groove 221 and around the rotating center, thereby realizing the reciprocating motion of the arch breaking support 10 along the vertical direction.

Specifically, in the present embodiment, the cam 22 is an eccentric cam 22, and the shape of the groove 221 is similar to the shape of the eccentric cam 22. Of course, the shape of the groove 221 is not limited only here, as long as the reciprocating motion of the driving protrusion 213 and the arch breaking support 10 in the vertical direction can be achieved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a unloading mechanism which characterized in that includes:

the arch breaking support is used for accommodating the storage bin;

2. The blanking mechanism of claim 1, wherein the cam structure comprises a driven frame and a cam, the cam is connected to one end of the auger, the driven frame is connected to the bottom end of the arch breaking support, and the cam is movably matched with the driven frame and can drive the driven frame to reciprocate along the vertical direction.

3. The blanking mechanism of claim 2 wherein the driven frame is integrally formed with the arch support.

4. The blanking mechanism as claimed in claim 2, wherein the driven frame is provided with a circular or elliptical first rotating groove, the cam is an eccentric cam, the eccentric cam is rotatably disposed in the first rotating groove, and an outer side wall of the eccentric cam is in contact connection with an inner side wall of the first rotating groove.

5. The blanking mechanism of claim 2, wherein the driven frame is provided with a rectangular second rotating groove, the cam is an equal-width cam, the equal-width cam is rotatably arranged in the second rotating groove, and the outer side wall of the equal-width cam is in contact connection with the inner side wall of the second rotating groove.

6. The blanking mechanism of claim 2 wherein one side of the cam is provided with an annular groove, and the bottom of the driven frame is provided with a projection, and the projection is slidably arranged in the groove.

7. The blanking mechanism of claim 4 or 5, wherein the cam structure further comprises a turntable arranged on one side of the cam, and the turntable abuts against between one end of the packing auger and the driven frame.

8. The blanking mechanism of any one of claims 2 to 6, wherein a rotating shaft is arranged at the center of the packing auger, the rotating shaft is used for being connected with an external driving device and driving the packing auger to rotate, and the cam is arranged on the rotating shaft and can be driven by the rotating shaft to rotate.

9. The blanking mechanism of any one of claims 1 to 6, wherein the arch-breaking support comprises a first frame and a second frame which are arranged oppositely and at intervals, and a connecting frame connected between the first frame and the second frame, the first frame and the second frame respectively enclose a feed opening and a blanking opening, and the inner diameter of the feed opening is larger than that of the blanking opening.

10. The blanking mechanism of claim 9 wherein said feed opening is circular or rectangular and said blanking opening is circular or rectangular.