CN217411379U - Ore screening device - Google Patents

Abstract

The utility model relates to the technical field of ore processing equipment, and provides an ore screening device, which comprises a shell and a screening component, wherein the upper part of the inner wall of the shell is rotatably connected with a crushing component, and the screening component is connected to the lower part of the inner wall of the shell and is used for screening crushed ores; the screening subassembly includes support frame, first sieve and second sieve, and the support frame is connected with shells inner wall, and first sieve elastic stretching connects in the support frame top, in its one end slope downwardly extending locates the first discharge gate of casing one side, and second sieve elastic stretching connects in the support frame below, in its one end slope downwardly extending locates the second discharge gate of casing opposite side. The utility model discloses slope setting and elastic expansion's first, two sieves make the ore piece roll downwards gradually because the ore piece after the breakage falls down to strike through kick-backing to realize the screening to the ore piece, improved screening effect and practicality.

Description

Ore screening device

Technical Field

The utility model relates to an ore processing equipment technical field, concretely relates to ore screening device.

Background

The ore is a mineral aggregate from which useful components can be extracted or which has certain utilizable properties, and can be divided into metal minerals and non-metal minerals, and the ore can be applied to engineering fields such as metallurgical industry, building industry, cement industry, sandstone industry and the like after being processed step by step through blasting, crushing, grinding and the like, and has very high practicability. Wherein, the ore with overlarge volume needs to be subjected to different crushing stages (coarse crushing, medium crushing and fine crushing), namely primary crushing, secondary crushing and tertiary crushing which are commonly called. In the process of ore crushing, in order to avoid over crushing and reduce cost, the ore generated in different crushing stages needs to be screened and separated so as to meet the principle of more crushing and less grinding.

At present, ore screening device generally includes the sieve, and the sieve slope sets up, is provided with the through-hole that supplies the ore granule to pass through on the sieve, sets up the purpose that the ore screening was realized to the through-hole variation in size. However, the existing sieve plate is poor in screening effect due to fixation, low in practicability, and a few insufficiently crushed ores can be clamped in the through hole frequently, are not easy to observe and get, and are long-term, so that the screening work cannot be normally carried out, and the screening efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an ore sieving mechanism to solve current sieve because fixed motionless and lead to the problem that the screening effect is relatively poor, the practicality is lower.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an ore screening apparatus comprising:

the upper part of the inner wall of the shell is rotatably connected with a crushing assembly; and

the screening assembly is connected to the lower part of the inner wall of the shell and used for screening the crushed ores;

wherein, the screening subassembly includes support frame, first sieve and second sieve, the support frame with the casing inner wall is connected, first sieve elastic expansion connect in support frame top, its one end slope downwardly extending locate in the first discharge gate of casing one side, second sieve elastic expansion connect in support frame below, its one end slope downwardly extending locate in the second discharge gate of casing opposite side.

Optionally, the screening assembly further comprises two pairs of side seats symmetrically located above and below the support frame;

each side seat is provided with an installing plate which is obliquely arranged, and the installing plate is connected with the supporting frame through a first elastic expansion piece and a second elastic expansion piece which are short and long;

the two ends of the first sieve plate and the second sieve plate are connected between the mounting plates through pressing strips respectively.

Optionally, the first elastic expansion piece comprises a first expansion rod and a first spring sleeved on the first expansion rod;

the second elastic telescopic piece comprises a second telescopic rod and a second spring sleeved on the second telescopic rod.

Optionally, the first spring and the second spring of the upper side seat of the support frame are compression springs;

the first spring and the second spring of the side seat below the support frame are tension springs.

Optionally, first sieve comprises a plurality of equidistant parallel sieve poles with second sieve by, just the sieve pole interval of first sieve is greater than the sieve pole interval of second sieve.

Optionally, the two ends of the sieve rod are respectively provided with end heads with the diameter smaller than the middle part of the sieve rod;

a plurality of semicircular first placing grooves are formed in the top surface of the mounting plate at equal intervals, and a plurality of semicircular second placing grooves are formed in the bottom surface of the pressing strip at equal intervals;

the first placing groove corresponds to the second placing groove and is used for buckling the end head after being encircled.

Optionally, threaded holes are formed in two ends of the top surface of the mounting plate;

counter bores corresponding to the threaded holes are formed in the two ends of the top surface of the pressing bar;

the counter bore is in threaded connection with the threaded hole through an inner hexagon screw.

Optionally, the inclination angle of the mounting plate ranges from 10 to 20 degrees.

Optionally, the mounting plate is inclined at an angle of 15 °.

Optionally, the support frame comprises a horizontally placed I-shaped structural member and support blocks connected with four corners of the I-shaped structural member, and the support blocks are connected with the inner wall of the shell through support plates with holes arranged on two side faces of the support blocks;

the first elastic expansion pieces are respectively connected to the upper ends and the lower ends of the two supporting blocks, and the second elastic expansion pieces are respectively connected to the upper ends and the lower ends of the other two supporting blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the slope sets up and the first, two sieve that elasticity is flexible because the ore block after the breakage falls down to strike and resets through the resilience and make the ore block roll downwards gradually to the realization has improved screening effect and practicality to the screening of ore block.

2. The first sieve plate and the second sieve plate which are formed by the sieve rods with different intervals are used for screening the ore blocks after crushing, the phenomenon that the meshes of the existing sieve plate are blocked can not occur, even if the ore blocks are clamped between the sieve rods, the ore blocks can be easily found and taken down, the stability of the screening effect is ensured, and the screening efficiency is improved.

3. The ends at the two ends of the sieve rod are buckled after being surrounded by the first placing groove and the second placing groove, so that the sieve rod can be prevented from axially moving, the stability is high, and the disassembly, the assembly and the maintenance are convenient; and take off the sieve pole of part card in first standing groove and second standing groove, can adjust the interval of sieve pole to the ore block that produces different crushing stages is filtered, has improved this sieving mechanism's suitability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic perspective view of a screening assembly;

FIG. 3 is a schematic perspective view of the supporting frame;

FIG. 4 is a perspective view of the side stand;

FIG. 5 is a schematic perspective view of the molding;

fig. 6 is a schematic perspective view of a sieve rod.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

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", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered 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 to implicitly indicate 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; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-6, the utility model provides an ore screening device, include:

a housing 100 having a crushing assembly (not shown) rotatably connected to an upper portion of an inner wall thereof; and

a screening assembly connected to the lower portion of the inner wall of the casing 100 for screening the crushed ore;

wherein, the screening subassembly includes support frame 200, first sieve and second sieve, and support frame 200 is connected with casing 100 inner wall, and first sieve elasticity flexible link is in support frame 200 top, in its one end slope downwardly extending locates the first discharge gate 110 of casing 100 one side, and second sieve elasticity flexible link is in support frame 200 below, in its one end slope downwardly extending locates the second discharge gate 120 of casing 100 opposite side.

When the device works, the crushing assembly is started, then ores are thrown into the shell 100 from a feeding hole (not shown in the figure) arranged at the top end of the shell 100, the ores are crushed by the crushing assembly and then split into a plurality of ore blocks with different volumes, then the ore blocks fall onto the first sieve plate, impact the first sieve plate to be pressed downwards and then rebound and reset, the ore blocks are subjected to the combined action of self gravity and upward thrust perpendicular to the first sieve plate, roll downwards along the first sieve plate gradually to realize the screening purpose, the crushed unqualified ore blocks enter the first discharging hole 110 to be discharged, after being collected, the crushed unqualified ore blocks can be thrown into the shell 100 again to be crushed for the second time, the crushed qualified ore blocks pass through the first sieve plate and then fall onto the second sieve plate to be screened again, and according to the same principle with the first sieve plate, the thicker ore blocks roll downwards along the second sieve plate to enter the second discharging hole 120 to be discharged so as to realize the collection, the finer ore pieces pass through the second screen deck and fall into the hopper at the bottom end of the housing 100 and are discharged from a third discharge outlet 130 in the lower portion of the hopper for collection. That is to say, the slope sets up and the elastic expansion's first, two sieve because the ore block after the breakage falls to strike and resets through the resilience and make the ore block roll downwards gradually to the realization is to the screening of ore block, has improved screening effect and practicality.

Referring to fig. 2 to 5, the screening assembly further includes two pairs of side bases 300 symmetrically located above and below the supporting frame 200, each side base 300 is provided with a mounting plate 310 arranged obliquely, the mounting plate 310 is connected to the supporting frame 200 through a short and long first elastic expansion piece 320 and a short and long second elastic expansion piece 330, and two ends of the first screen plate and the second screen plate are respectively connected between the mounting plates 310 through pressing strips 400.

The first elastic expansion piece 320 comprises a first expansion rod and a first spring sleeved on the first expansion rod; the second elastic expansion member 330 includes a second expansion rod and a second spring sleeved on the second expansion rod. That is to say, the first sieve of ore piece whereabouts impact after the breakage, second sieve for mounting panel 310 moves down, and the first spring of support frame 200 top, second spring receive after the compression to reset the reaction and realize the buffering resilience of first sieve in first sieve, and the first spring of support frame 200 below, second spring receive after the extension to reset the reaction and realize the buffering resilience of second sieve in the second sieve, thereby push away the ore piece and roll down in order to accomplish the screening.

In this embodiment, the first spring and the second spring of the upper side seat 300 of the supporting frame 200 are compression springs, and the first spring and the second spring of the lower side seat 300 of the supporting frame 200 are tension springs.

Referring to fig. 2, the first screen deck and the second screen deck are both composed of a plurality of screen rods 500 which are parallel at equal intervals, and the interval between the screen rods 500 of the first screen deck is larger than that between the screen rods 500 of the second screen deck. That is to say, the ore piece after the breakage is filtered to first, two sieve boards that constitute through the sieve pole 500 of different intervals, the phenomenon that current sieve plate mesh blockked up can not appear, even have the ore piece card between sieve pole 500, also discover easily and take off, guaranteed the stability of screening effect, improved screening efficiency.

Referring to fig. 6, both ends of the sieve rod 500 are respectively provided with end heads 510 with a diameter smaller than the middle part thereof; referring to fig. 4 and 5, a plurality of semicircular first placing grooves 311 are formed in the top surface of the mounting plate 310 at equal intervals, and a plurality of semicircular second placing grooves 410 are formed in the bottom surface of the pressing bar 400 at equal intervals; the first placement groove 311 corresponds to the second placement groove 410, and is used for fastening the head 510 after being surrounded. That is, the ends 510 of the two ends of the sieve rod 500 are buckled after being surrounded by the first placing groove 311 and the second placing groove 410, so that the sieve rod 500 can be prevented from moving axially, and the sieve rod 500 has high stability and is convenient to disassemble, assemble and maintain; and take off the sieve pole 500 of part card in first standing groove 311 and second standing groove 410, can adjust the interval of sieve pole 500 to the ore block that produces to different crushing stages is filtered, has improved this sieving mechanism's suitability.

Referring to fig. 4, the mounting plate 310 has threaded holes 312 at both ends of its top surface; referring to fig. 5, counterbores 420 corresponding to the screw holes 312 are formed at both ends of the top surface of the molding 400, and the counterbores 420 are threadedly coupled to the screw holes 312 by socket head cap screws (not shown).

Referring to fig. 1 and 2, the inclination angle of the mounting plate 310 (i.e. the included angle between the mounting plate and the horizontal plane) ranges from 10 ° to 20 °. So, be favorable to the falling of ore deposit piece on first sieve and second sieve. In the present embodiment, the inclination angle of the mounting plate 310 is 15 °.

Referring to fig. 3, the supporting frame 200 includes a horizontally disposed i-shaped structural member 210 and supporting blocks 220 connected to four corners of the i-shaped structural member, and the supporting blocks 220 are connected to the inner wall of the casing 100 through perforated supporting plates 221 disposed on two side surfaces of the supporting blocks 220; the first elastic expansion member 320 (first expansion link) is connected to the upper and lower ends of two of the support blocks 220, and the second elastic expansion member 330 (second expansion link) is connected to the upper and lower ends of the other two support blocks 220.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims (10)

1. An ore screening device, comprising:

the upper part of the inner wall of the shell is rotatably connected with a crushing assembly; and

the screening assembly is connected to the lower part of the inner wall of the shell and used for screening the crushed ores;

wherein, the screening subassembly includes support frame, first sieve and second sieve, the support frame with the casing inner wall is connected, first sieve elastic expansion connect in support frame top, its one end slope downwardly extending extend locate in the first discharge gate of casing one side, second sieve elastic expansion connect in support frame below, its one end slope downwardly extending extend locate in the second discharge gate of casing opposite side.

2. The ore screening apparatus of claim 1, wherein:

the screening assembly also comprises two pairs of side seats which are symmetrically positioned above and below the supporting frame;

each side seat is provided with an installing plate which is obliquely arranged, and the installing plate is connected with the supporting frame through a first elastic telescopic piece and a second elastic telescopic piece which are short and long;

the two ends of the first sieve plate and the second sieve plate are connected between the mounting plates through pressing strips respectively.

3. The ore screening apparatus of claim 2, wherein:

the first elastic telescopic piece comprises a first telescopic rod and a first spring sleeved on the first telescopic rod;

the second elastic telescopic piece comprises a second telescopic rod and a second spring sleeved on the second telescopic rod.

4. An ore screening apparatus according to claim 3, wherein:

the first spring and the second spring of the upper side seat of the supporting frame are compression springs;

the first spring and the second spring of the side seat below the support frame are tension springs.

5. The ore screening device according to any one of claims 2 to 4, wherein the first screen plate and the second screen plate are composed of a plurality of screen rods which are parallel at equal intervals, and the screen rod interval of the first screen plate is larger than that of the second screen plate.

6. An ore screening apparatus according to claim 5, wherein:

the two ends of the sieve rod are respectively provided with end heads with the diameter smaller than the middle part of the sieve rod;

a plurality of semicircular first placing grooves are formed in the top surface of the mounting plate at equal intervals, and a plurality of semicircular second placing grooves are formed in the bottom surface of the pressing strip at equal intervals;

the first placing groove corresponds to the second placing groove and is used for buckling the end head after being encircled.

7. An ore screening apparatus according to claim 6, wherein:

threaded holes are formed in the two ends of the top surface of the mounting plate;

counter bores corresponding to the threaded holes are formed in the two ends of the top surface of the pressing bar;

the counter bore is in threaded connection with the threaded hole through an inner hexagon screw.

8. An ore screening apparatus according to claim 2 or 7, wherein the angle of inclination of the mounting plate is in the range 10 to 20 °.

9. An ore screening apparatus according to claim 8, wherein the angle of inclination of the mounting plate is 15 °.

10. An ore screening apparatus according to claim 2 or 9, wherein:

the supporting frame comprises a horizontally placed I-shaped structural member and supporting blocks connected with four corners of the I-shaped structural member, and the supporting blocks are connected with the inner wall of the shell through supporting plates with holes arranged on two side faces of the supporting blocks;

the first elastic expansion pieces are respectively connected to the upper ends and the lower ends of two of the supporting blocks, and the second elastic expansion pieces are respectively connected to the upper ends and the lower ends of the other two supporting blocks.

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