CN114160246A

CN114160246A - Pair roller system sand machine

Info

Publication number: CN114160246A
Application number: CN202111444907.3A
Authority: CN
Inventors: 张浩章
Original assignee: Guangzhou Shaoshen Machinery Equipment Co ltd
Current assignee: Guangzhou Shaoshen Machinery Equipment Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-11

Abstract

The invention provides a pair-roller sand making machine, which relates to the technical field of engineering construction and comprises a feeding mechanism and a sand making mechanism connected with the feeding mechanism, wherein the sand making mechanism comprises a sand making cavity, a roller which rotates relatively is arranged in the sand making cavity, coarse sand is conveyed to the sand making cavity by the feeding mechanism, and the coarse sand passes through the roller which rotates relatively when being conveyed outwards. The invention adopts the rollers which rotate relatively to prepare sand, and the rollers which rotate relatively directly extrude coarse sand, thereby obtaining fine sand, having stronger sand preparation capability, and improving the uniformity of the obtained sand grains, so as to be used for high-hardness and medium-hardness brittle ores.

Description

Pair roller system sand machine

Technical Field

The invention relates to the technical field of engineering construction, in particular to a pair-roller sand making machine.

Background

The sand making machine is a material crushing device, is mainly used for crushing ore materials, is suitable for crushing and shaping soft, medium-hard or extremely-hard materials, and is widely applied to industries such as metallurgy, mines, chemical industry, cement, building materials and the like.

The working principle of the sand making machine is that materials enter a rotor from a feeding hole, the rotor is driven to rotate at a high speed through a main shaft, the materials in the rotor are thrown out at a high speed along flow channels uniformly distributed on the rotor, the materials are enabled to obtain large kinetic energy instantly to collide with a sand making machine body, and the materials are crushed in a mode of collision between the materials and between the materials and the machine body.

The sand making machine has limited sand making capacity and poor sand uniformity, especially for high hardness (such as granite, marble, mineral stone, corundum, etc.) and medium hardness brittle ores (such as sandstone, limestone, construction waste).

Disclosure of Invention

In view of the above, the present invention provides a pair-roller sand making machine, so as to solve the technical problems that the sand making machine adopted in the prior art has limited sand making capability for high-hardness and medium-hardness brittle ores and has poor sand uniformity.

In order to achieve the purpose, the invention provides a pair-roller sand making machine, which comprises a feeding mechanism and a sand making mechanism connected with the feeding mechanism, wherein the sand making mechanism comprises a sand making cavity, a roller which rotates relatively is arranged in the sand making cavity, the feeding mechanism conveys coarse sand to the sand making cavity, and the coarse sand passes through the roller which rotates relatively when being conveyed outwards.

According to a preferred embodiment, the roller comprises an active roller and a passive roller, the active roller is positioned below the passive roller, and the active roller drives the passive roller to rotate relatively when rotating.

According to a preferred embodiment, the device further comprises an upper frame and a lower frame, wherein the driving roller is installed on the lower frame, and the driven roller is installed on the upper frame.

According to a preferred embodiment, one side of the lower frame is provided with a driving mechanism, and the driving mechanism is in driving connection with the driving roller.

According to a preferred embodiment, the driving mechanism comprises a motor and a speed reducer, the motor is in driving connection with the speed reducer, and the speed reducer is in driving connection with the driving roller.

According to a preferred embodiment, an elastic extrusion mechanism is arranged on the upper frame, and the elastic extrusion mechanism is connected with the driven roller in an extrusion manner.

According to a preferred embodiment, the elastic extrusion mechanism comprises an elastic part and an extrusion part, the elastic part is arranged above the extrusion part and is fixedly connected with the extrusion part, and the extrusion part is simultaneously arranged on the outer wall of the passive roller.

According to a preferred embodiment, the lower frame is provided with a support member, and the support member is connected with a tail end rotating shaft of the extrusion piece.

According to a preferred embodiment, the feeding mechanism comprises a support and a feeding groove, the support is arranged on one side of the sand making cavity, the feeding groove is arranged on the support, and one side of the feeding groove is communicated with one side of the sand making cavity.

According to a preferred embodiment, a vibration motor is arranged below the feeding trough, and the vibration motor is tightly attached to the bottom of the feeding trough.

The pair-roller sand making machine provided by the invention has the following technical effects:

the invention relates to a pair-roller sand making machine, which mainly comprises a feeding mechanism and a sand making mechanism, wherein the feeding mechanism is used for providing coarse sand for the sand making mechanism, the sand making mechanism is used for extruding the coarse sand into fine sand, the sand making mechanism comprises a sand making cavity, a roller which rotates relatively is arranged in the sand making cavity, the roller which rotates relatively can extrude the coarse sand into the fine sand in the coarse sand conveying process, the feeding mechanism is communicated with the sand making cavity, the coarse sand is provided for the sand making cavity through the feeding mechanism, compared with the traditional method for making sand by adopting a rotor, the pair-roller sand making machine adopts the roller which rotates relatively to make sand, and the roller which rotates relatively directly extrudes the coarse sand, so that the fine sand is obtained, the sand making capacity is stronger, and the uniformity of the obtained sand is improved so as to be used for high-hardness and medium-hardness brittle ores.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of a pair-roller sand making machine according to an embodiment of the present invention;

FIG. 2 is a front view of the pair roller sander of FIG. 1;

FIG. 3 is a side view of the pair roller sander of FIG. 1;

FIG. 4 is a top view of the pair roller sander of FIG. 1;

FIG. 5 is a top view of a portion of the pair roller sander of FIG. 1;

figure 6 is a cross-sectional view of a portion of the pair roller sander of figure 5 taken along the direction a-a.

Wherein, fig. 1-6:

1. a sand making mechanism; 11. a sand making cavity; 12. an active roller; 121. a motor; 122. a speed reducer; 123. a support member; 13. a passive roller; 131. an elastic member; 132. an extrusion; 133. a rotating shaft; 14. an upper frame; 15. a lower frame; 16. a base;

2. a feeding structure; 21. a feed trough; 211. a vibration motor; 22. and (4) a bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.

As described in the background art, the sand making machine adopted in the prior art has the working principle that materials enter a rotor from a feeding hole, the rotor is driven to rotate at a high speed through a main shaft, the materials in the rotor are thrown out at a high speed along flow channels uniformly distributed on the rotor, so that the materials instantly obtain larger kinetic energy to collide with a machine body of the sand making machine, and the materials are crushed in a mode of collision between the materials and between the materials and the machine body. The sand making machine has limited sand making capacity and poor sand uniformity, especially for high hardness (such as granite, marble, mineral stone, corundum and the like) and medium hardness brittle ores (such as sandstone, limestone and construction waste).

Based on the above, the invention provides a pair-roller sand making machine, which mainly comprises a feeding mechanism and a sand making mechanism, wherein the feeding mechanism is used for providing coarse sand for the sand making mechanism, the sand making mechanism is used for extruding the coarse sand into fine sand, the sand making mechanism comprises a sand making cavity, a roller which rotates relatively is arranged in the sand making cavity, the roller which rotates relatively can extrude the coarse sand into the fine sand in the coarse sand conveying process, the feeding mechanism is communicated with the sand making cavity, the coarse sand is provided for the sand making cavity through the feeding mechanism, compared with the traditional sand making method adopting a rotor, the pair-roller sand making machine adopts the roller which rotates relatively to make sand, the roller which rotates relatively directly extrudes the coarse sand, so that the fine sand is obtained, the sand making capacity is stronger, and the uniformity of the obtained sand is improved, so that the pair-roller sand making machine is used for high-hardness and medium-hardness brittle ores.

The technical scheme of the invention is explained in detail in the following with specific attached figures 1-6.

The pair-roller sand making machine provided by the invention comprises a feeding mechanism 2 and a sand making mechanism 1, wherein the feeding mechanism is connected with the sand making mechanism 1, the feeding mechanism is used for providing coarse sand grains for the sand making mechanism 1, and the sand making mechanism 1 is used for making the coarse sand grains into fine sand grains.

As shown in fig. 1, the sand making mechanism 1 comprises a sand making cavity 11, rollers which rotate relatively are arranged in the sand making cavity 11, the rollers comprise an active roller 12 and a passive roller 13, the active roller 12 is positioned below the passive roller 13, and the active roller 12 drives the passive roller 13 to rotate relatively when rotating.

The concrete sand making process comprises the following steps: the coarse sand is conveyed to the sand making cavity 11 by the feeding mechanism, when the coarse sand is conveyed in the sand making cavity 11, the coarse sand passes through a gap between the driving roller 12 and the driven roller 13, the driving roller 12 rotates and can drive the driven roller 13 to rotate, the coarse sand positioned at the gap is simultaneously extruded by the driving roller 12 and the driven roller 13, and the coarse sand is extruded into fine sand, so that the purpose of making sand is achieved.

As shown in fig. 1 and 2, the sand making machine of the present invention further includes a base 16, an upper frame 14 and a lower frame 15, the base 16, the lower frame 15 and the upper frame 14 are sequentially arranged from bottom to top, the active roller 12 is installed on the lower frame 15, and the passive roller 13 is installed on the upper frame 14.

The base 16 is of a rectangular structure, the upper frame 14 and the lower frame 15 are also of a rectangular structure, the length and the width of the base 16, the length of the upper frame 14 and the width of the lower frame 15 are all consistent, the height of the base can be inconsistent, and the upper frame 14 and the lower frame 15 form a frame structure together within the protection scope of the invention.

It will be appreciated that the upper frame 14 is primarily intended to support the passive rollers 13 and the lower frame 15 is primarily intended to support the active rollers 12.

As shown in fig. 1 and 2, a driving mechanism is arranged on one side of the lower frame 15, and the driving mechanism is in driving connection with the driving roller 12.

Wherein, the driving connection means that a driving mechanism provides a rotating power for the driving roller 12, the driving mechanism mainly functions to provide a driving force for the rotation of the driving roller 12, and the driving mechanism includes, but is not limited to, a motor.

In this embodiment, as shown in fig. 1, the driving mechanism includes a motor 121 and a speed reducer 122, the motor 121 is in driving connection with the speed reducer 122, the speed reducer 122 is in driving connection with the driving roller 12, the motor 121 drives the speed reducer 122 through a triangular belt, and the torque is amplified and then transmitted to the driving roller 12 for rolling.

As shown in fig. 1 and 2, an elastic pressing mechanism is arranged on the upper frame 14, and the elastic pressing mechanism is connected with the driven roller 13 in a pressing manner.

The elastic extrusion mechanism is mainly used for providing driving force for extrusion between the driving roller 12 and the driven roller 13, the driving force of the elastic extrusion mechanism is provided by a hydraulic system, the hydraulic system is located above the elastic extrusion mechanism, namely above the upper rack 14, and the upper rack 14 forms high pressure between the driving roller 12 and the driven roller 13 through the downward pressure of the composite rubber spring and the hydraulic cylinder, so that the effect of high yield is achieved.

In this embodiment, as shown in fig. 1 and 2, the elastic pressing mechanism includes an elastic member 131 and a pressing member 132, the elastic member 131 is disposed above the pressing member 132 and is fixedly connected to the pressing member 132, the pressing member 132 is simultaneously mounted on the outer wall of the driven roller 13, the pressing member 132 can drive the driven roller 13 to move up and down, the driving force of the elastic member 131 is provided by a hydraulic cylinder, and the elastic member 131 is preferably a compound rubber spring.

In order to change the extrusion angle between the driving roller 12 and the driven roller 13 and adapt to coarse sand with different granularities, the lower frame 15 is provided with a support member 123, and the support member 123 is connected with the tail end of the extrusion member 132 by a rotating shaft 133, namely, the rotation can be generated within a certain range.

As shown in fig. 1 and 2, the pressing member 132 and the supporting member 123 are each formed in an approximately L-shape, and a short side of the pressing member 132 and a short side of the supporting member 123 are opposite to each other and connected by a rotating shaft 133.

In this embodiment, the hydraulic cylinder is first activated to press the elastic member 131 downward, and the elastic member 131 drives the pressing member 132 to rotate around the rotating shaft 133, at which time the angle of the driven roller is also changed at any time, so as to change the pressing angle between the driving roller 12 and the driven roller 13.

As shown in fig. 1 to 4, the feeding mechanism includes a bracket 22 and a feeding groove 21, the bracket 22 is provided at one side of the sand making chamber 11, the feeding groove 21 is installed on the bracket 22, and one side of the feeding groove 21 is communicated with one side of the sand making chamber 11.

Wherein, the feed inlet of feed trough 21 is located the top, and the discharge gate is located the lateral part, and the discharging channel slope setting of feed trough 21, slope here refer to the downward sloping, and the grit is from the feed inlet feeding back, through brief dwell at feed trough 21, because gravity action grit carries to discharging channel, realizes following the discharge gate ejection of compact.

In this embodiment, the sand making chamber 11 also has a certain inclination angle, the feeding port thereof is communicated with the discharging port of the feeding trough 21, and the coarse sand is also conveyed in the sand making chamber 11 by the action of gravity.

As shown in fig. 2, in order to vibrate the coarse sand in the feeding trough 21 at a proper time to make the material entering the sand making cavity 11 more uniform, a vibration motor 211121 is disposed below the feeding trough 21, and a vibration motor 211121 is closely attached to the bottom of the feeding trough 21 and close to the discharge port of the feeding trough 21.

When the device is used, coarse sand firstly falls into the feeding groove 21 matched with the device, and the vibrating motor 211121 vibrates, so that the coarse sand more uniformly enters the sand making cavity 11. By adopting the feeding mode, the yield is larger, the product granularity is finer and more uniform, and the energy consumption is obviously reduced.

The double-roller sand making machine is preferably a DG series vertical high-pressure double-roller sand making machine, and is suitable for medium crushing and fine crushing of materials such as high-hardness (such as granite, marble, mineral stone, corundum and the like) and medium-hardness brittle ores (such as sandstone, limestone and construction waste). The feeding granularity is less than or equal to 35 mm, and different discharging granularities can be obtained by adjusting the pressure between two rollers; the coarser the discharged particle size, the larger the discharged amount, otherwise the smaller the discharged amount.

TABLE 1 DG SERIES VERTICAL HIGH-PRESSURE DOUBLE-ROLLER SAND MAKING MACHINE WITH DIFFERENT SPECTRUMENTS

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a pair roller sand making machine, including feed mechanism and with the system sand mechanism that feed mechanism connects, its characterized in that, system sand mechanism is including making the sand chamber, establish relative pivoted roller in the system sand intracavity, feed mechanism carries the grit extremely make the sand chamber, pass through relative pivoted when the grit outwards carries the roller.

2. The pair roller sand making machine according to claim 1, wherein the rollers comprise an active roller and a passive roller, the active roller is positioned below the passive roller, and the active roller drives the passive roller to rotate relatively when rotating.

3. The pair roller sander of claim 2, further comprising an upper frame and a lower frame, the active roller being mounted on the lower frame and the passive roller being mounted on the upper frame.

4. The pair roller sand making machine according to claim 3, wherein a driving mechanism is arranged on one side of the lower frame, and the driving mechanism is in driving connection with the driving roller.

5. The pair roller papermaking machine according to claim 4, wherein the drive mechanism comprises a motor and a speed reducer, the motor is in driving connection with the speed reducer, and the speed reducer is in driving connection with the driving roller.

6. The pair-roller sand making machine according to claim 3, wherein an elastic extrusion mechanism is arranged on the upper frame, and the elastic extrusion mechanism is connected with the driven roller in an extrusion manner.

7. The pair roller sand making machine according to claim 6, wherein the elastic extrusion mechanism comprises an elastic member and an extrusion member, the elastic member is arranged above the extrusion member and is fixedly connected with the extrusion member, and the extrusion member is simultaneously installed on the outer wall of the driven roller.

8. The pair roller sand making machine according to claim 7, wherein a support is provided on the lower frame, and the support is connected with a terminal rotating shaft of the extrusion.

9. The pair roller sand making machine according to any one of claims 1 to 8, wherein the feeding mechanism comprises a bracket and a feeding groove, the bracket is arranged on one side of the sand making cavity, the feeding groove is arranged on the bracket, and one side of the feeding groove is communicated with one side of the sand making cavity.

10. The pair roller sand making machine according to claim 9, wherein a vibration motor is arranged below the feeding trough, and the vibration motor is tightly attached to the bottom of the feeding trough.