CN220091573U

CN220091573U - Ferric phosphate powder crushing and grinding device

Info

Publication number: CN220091573U
Application number: CN202321463198.8U
Authority: CN
Inventors: 周守红; 李洪辉; 邹旺; 黄小芦
Original assignee: Sichuan Yuning New Energy Material Co ltd
Current assignee: Sichuan Yuning New Energy Material Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-11-28
Anticipated expiration: 2033-06-09

Abstract

The utility model relates to the field of crushing devices, and particularly discloses an iron phosphate crushing and grinding device which comprises a shell, a driving mechanism, a grinding seat, a grinding disc, a vibrating mechanism, a screen and a screw conveyor. The ferric phosphate falls into the clearance between grinding seat and the grinding disc from the top and is rotationally ground, and the powder after grinding falls into the screen cloth, because screen cloth vibration makes the difficult screen cloth of jam of powder to coarser powder easily gathers towards the second bin outlet, makes things convenient for screw conveyer to send it back to between grinding seat and the grinding disc again. The upper side and the lower side of the grinding disc are supported and positioned, and can bear larger reaction force in the grinding process, so that the grinding effect is better. And the support also plays a role in reinforcing the notch, so that the notch is prevented from being deformed by pressure, and the gap for grinding is prevented from being deformed.

Description

Ferric phosphate powder crushing and grinding device

Technical Field

The utility model belongs to the field of crushing devices, and particularly relates to a ferric phosphate crushing and grinding device.

Background

Iron phosphate is a main raw material for producing lithium iron phosphate batteries, and is required to be ground and crushed in the production process of the iron phosphate, and common equipment is a ball mill grinding mill or grinding roller or a multi-stage grinder. The prior art CN114471806A, a waste roasting sagger crushing and grinding device based on lithium iron phosphate battery anode materials, discloses a scheme of a grinding seat and a grinding cylinder, wherein the grinding seat only has one pivot above, and the problem of unbalanced stress exists during grinding, so that the grinding seat can shake, and other structural deformations can be caused after long-time use. This structure has room for improvement.

The foregoing background is only for the purpose of providing an understanding of the inventive concepts and technical aspects of the present utility model and is not necessarily prior art to the present application and is not intended to be used as an aid in the evaluation of the novelty and creativity of the present utility model in the event that no clear evidence indicates that such is already disclosed at the date of filing of the present application.

Disclosure of Invention

The utility model aims to provide an iron phosphate crushing and grinding device with high structural strength and good grinding effect.

In order to achieve the above object, the present utility model provides an iron phosphate pulverizing and grinding device comprising: the device comprises a shell, wherein the upper end of the shell is provided with a feed inlet, the lower end of the shell is provided with a first discharge outlet, and the high and low parts of the side surface are respectively provided with a feed back inlet and a second discharge outlet; the grinding seat and the grinding disc are both in a revolving body structure, a round notch which is convenient for iron phosphate to fall down is arranged in the middle of the grinding seat, wherein a gap exists between the grinding seat and the grinding disc and is inclined downwards towards the notch, and when the driving mechanism drives the grinding disc to rotate, the iron phosphate is crushed in the gap and gradually falls down from the notch, and a bracket for supporting the axis of the grinding disc is arranged in the middle of the notch; the vibrating mechanism and the screen are positioned in the shell and between the grinding seat and the first discharge hole, the screen is obliquely arranged and the lowest part of the screen is positioned at the second discharge hole, the vibrating mechanism drives the screen to vibrate, when the crushed ferric phosphate falls down, finer powder is screened and falls down to the first discharge hole, and coarser powder is screened and is dithered to the second discharge hole; the screw conveyor is vertically arranged on the side face of the shell, the upper end and the lower end of the screw conveyor respectively correspond to the feed back opening and the second discharge opening, and the screw conveyor is used for lifting coarser powder to the feed back opening to enable the coarser powder to enter the clearance again for grinding.

As an improvement of the scheme, the bracket comprises three gussets uniformly connected with three positions of the notch and a middle upright post positioned on the triangular support, and the bottom of the grinding disc is inserted through the upright post so as to provide support.

As an improvement of the above-mentioned scheme, the slope of the upper surface of the grinding seat is different from that of the lower surface of the grinding disc, so that the gap for grinding is wider at the outside and narrower at the inside.

As an improvement of the scheme, the notch of the grinding seat is cylindrical, the bottom of the grinding disc is cylindrical, and a gap exists between the cylindrical and the cylindrical for further grinding the ferric phosphate.

As the improvement of above-mentioned scheme, the upper surface of abrasive disc is the round platform structure, be provided with funnel structure around the first bin outlet.

As an improvement of the scheme, the screen is provided with raised baffles at the periphery for preventing powder from splashing.

The utility model has the following beneficial effects:

1. the ferric phosphate falls into the clearance between grinding seat and the grinding disc from the top and is rotationally ground, and the powder after grinding falls into the screen cloth, because screen cloth vibration makes the difficult screen cloth of jam of powder to coarser powder easily gathers towards the second bin outlet, makes things convenient for screw conveyer to send it back to between grinding seat and the grinding disc again.

2. The upper side and the lower side of the grinding disc are supported and positioned, and can bear larger reaction force in the grinding process, so that the grinding effect is better. And the support also plays a role in reinforcing the notch, so that the notch is prevented from being deformed by pressure, and the gap for grinding is prevented from being deformed.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of a lower grinding apparatus;

reference numerals illustrate: 10. a housing; 11. a first discharge port; 12. a second discharge port; 13. a feed inlet; 14. a bracket; 21. a driving mechanism; 22. a grinding seat; 23. a grinding disc; 31. a vibration mechanism; 32. a screen; 33. a screw conveyor.

Detailed Description

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1, the utility model discloses an iron phosphate crushing and grinding device, which comprises: the grinding machine comprises a shell 10, a driving mechanism 21, a grinding seat 22, a grinding disc 23, a vibrating mechanism 31, a screen 32 and a screw conveyor 33.

The upper end of the shell 10 is provided with a feed inlet 13, the lower end is provided with a first discharge outlet 11, and the high and low parts of the side surface are respectively provided with a feed back inlet and a second discharge outlet 12; the driving mechanism 21 is located at the top of the casing 10, the grinding seat 22 and the grinding disc 23 are both located in the casing 10, the grinding seat 22 and the grinding disc 23 are both in a revolving structure, a circular gap which is convenient for the iron phosphate to fall down is arranged in the middle of the grinding seat 22, the grinding seat 22 is located between the feed back opening and the second discharge opening 12, a gap exists between the grinding seat 22 and the grinding disc 23 and is inclined downwards towards the gap, and when the driving mechanism 21 drives the grinding disc 23 to rotate, the iron phosphate is crushed in the gap and gradually falls down from the gap, and a bracket 14 for supporting the axle center of the grinding disc 23 is arranged in the middle of the gap. The screen 32 is located inside the casing 10 and between the grinding seat 22 and the first discharge port 11, the screen 32 is obliquely arranged and the lowest part is located at the second discharge port 12, the vibration mechanism 31 drives the screen 32 to vibrate, when the crushed ferric phosphate falls down, finer powder is screened and falls down to the first discharge port 11, and coarser powder is screened and shaken to the second discharge port 12. The screw conveyor 33 is vertically disposed on the side surface of the casing 10, the upper and lower ends of the screw conveyor 33 respectively correspond to the feed back opening and the second discharge opening 12, and the screw conveyor 33 is used for lifting thicker powder to the feed back opening to make the thicker powder reenter the gap grinding.

When the device is assembled, the funnel structure, the screen mesh 32, the grinding seat 22 and the grinding disc 23 are sequentially placed, and finally the top cover is installed. When the components are inserted, the corresponding vibration mechanism 31 or the support 14 is provided in a matched manner. Wherein the middle of the grinding disc 23 is provided with a transmission shaft which is fixed in a threaded or pin connection manner.

As a modification of the above, the bracket 14 includes a triangular brace at three positions of the uniform connection notch and a middle upright post positioned at the triangular brace, and is inserted into the bottom of the grinding disc 23 through the upright post to provide support. When seen from the top, the included angle between two adjacent foot supports is 120 degrees, and the foot supports only occupy a small area of the notch and cannot interfere the falling of the ferric phosphate powder.

As a modification of the above, the upper surface of the grinding base 22 and the lower surface of the grinding disk 23 are different in slope so that the gap for grinding is wider at the outside and narrower at the inside. By adopting the scheme, the gap is gradually reduced, and the gap closest to the center position is the smallest, so that the grinding process is gradual, and the grinding effect is good.

As a modification of the above solution, the notch of the grinding seat 22 is cylindrical, the bottom of the grinding disc 23 is cylindrical, and a gap exists between the cylindrical and the cylindrical for further grinding the iron phosphate. By adopting the above scheme, the bottom of the grinding disc 23 can further expand the grinding area and improve the grinding effect.

As an improvement of the above solution, the upper surface of the grinding disc 23 has a circular truncated cone structure, and a funnel structure is disposed around the first discharge hole 11, for guiding the powder to gather toward the middle.

As a modification of the above-mentioned scheme, the screen 32 is provided with a raised baffle plate around the periphery for preventing powder from splashing, and also preventing part of the powder from falling directly to the first discharge port 11 without screening.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. An iron phosphate powder crushing and grinding device, characterized by comprising:

the device comprises a shell, wherein the upper end of the shell is provided with a feed inlet, the lower end of the shell is provided with a first discharge outlet, and the high and low parts of the side surface are respectively provided with a feed back inlet and a second discharge outlet;

the grinding seat and the grinding disc are both in a revolving body structure, a round notch which is convenient for iron phosphate to fall down is arranged in the middle of the grinding seat, wherein a gap exists between the grinding seat and the grinding disc and is inclined downwards towards the notch, and when the driving mechanism drives the grinding disc to rotate, the iron phosphate is crushed in the gap and gradually falls down from the notch, and a bracket for supporting the axis of the grinding disc is arranged in the middle of the notch;

the vibrating mechanism and the screen are positioned in the shell and between the grinding seat and the first discharge hole, the screen is obliquely arranged and the lowest part of the screen is positioned at the second discharge hole, the vibrating mechanism drives the screen to vibrate, when the crushed ferric phosphate falls down, finer powder is screened and falls down to the first discharge hole, and coarser powder is screened and is dithered to the second discharge hole;

the screw conveyor is vertically arranged on the side face of the shell, the upper end and the lower end of the screw conveyor respectively correspond to the feed back opening and the second discharge opening, and the screw conveyor is used for lifting coarser powder to the feed back opening to enable the coarser powder to enter the clearance again for grinding.

2. The iron phosphate pulverizing and grinding apparatus according to claim 1, wherein: the support comprises three gussets uniformly connected with three positions of the notch and a middle upright post positioned on the triangular support, and the bottom of the grinding disc is inserted through the upright post so as to provide support.

3. The iron phosphate powder grinding device according to claim 2, characterized in that: the slope of the upper surface of the grinding seat is different from that of the lower surface of the grinding disc, so that the gap for grinding is wider at the outer side and narrower at the inner side.

4. The iron phosphate pulverizing and grinding apparatus according to claim 3, wherein: the gap of the grinding seat is cylindrical, the bottom of the grinding disc is cylindrical, and a gap is reserved between the cylindrical and the cylindrical for further grinding the ferric phosphate.

5. The iron phosphate pulverizing and grinding apparatus according to claim 1, wherein: the upper surface of the grinding disc is of a round platform structure, and a funnel structure is arranged around the first discharge hole.

6. The iron phosphate pulverizing and grinding apparatus according to claim 1, wherein: the screen cloth is provided with the baffle of uplift in the periphery for prevent that powder from splashing.