A graphite powder crushing equipment

Abstract

The utility model discloses a graphite micro powder pulverizing device, the device includes: a tank body, a grinding mechanism, an air blowing mechanism and a screen, an inner shell body is coaxially arranged inside the tank body, a gap is provided between the outer wall of the inner shell body and the inner wall of the tank body to form a material lifting channel, the grinding mechanism is coaxially and rotatably arranged in the inner shell body, a feed pipe is arranged on one side of the tank body, one end of the feed pipe extends into the inner wall of the tank body, passes through the inner shell side wall and is arranged above the grinding mechanism, the discharge port below the grinding mechanism is connected to the material lifting channel, and an air outlet pipe is arranged above the tank body. The present application overcomes the problem that the device still has graphite powder that does not meet the specifications after secondary grinding, and needs to be re-screened for further grinding, which increases the working steps and reduces the working efficiency. Thus, a graphite micro powder pulverizing device that can automatically screen the graphite powder that does not meet the specifications and allows it to re-enter the grinding mechanism for further grinding is provided.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite production, in particular to a graphite micro powder pulverizing device. Background Art

[0002] Graphite is a crystalline carbon that is soft, slippery, conductive, chemically inactive, corrosion-resistant, and not easily reactive with acids and alkalis. It can burn and generate carbon dioxide when heated in air or oxygen. Strong oxidants will oxidize it into organic acids, which are used as antifriction agents and lubricating materials to make crucibles, electrodes, dry batteries, and pencil leads. It has a wide range of applications. Generally, graphite needs to be ground during graphite processing. Existing graphite crushers crush graphite with crushing blades, so the crushed graphite is of different sizes, making it difficult to process the graphite into the required size, which affects the quality of graphite-related products.

[0003] Chinese patent CN213133313U discloses a graphite micro powder crushing device, which falls back above the mounting plate when the graphite raw material is input, and simultaneously starts two electric cylinders, which push the crushing plate to squeeze and crush the graphite raw material. The crushed graphite raw material can be squeezed and screened through the screening fan, and the crushed graphite raw material enters the graphite disc and the graphite disc base for crushing and grinding. After the grinding is completed, it is ground again by the grinding roller.

[0004] The applicant discovered the following technical problems when implementing the above technical solution:

[0005] If the device still has graphite powder that does not meet the specifications after secondary grinding, it needs to be re-screened and further ground, which increases the work steps and reduces work efficiency.

[0006] Therefore, it is an urgent problem to be solved by the utility model to provide a graphite powder pulverizing device which can automatically screen out the graphite powder that does not meet the standards and allow it to re-enter the grinding mechanism for further grinding. Utility Model Content

[0007] In view of the above technical problems, the purpose of the utility model is to overcome the problem in the prior art that after the second grinding, the graphite powder still does not meet the specifications, and needs to be re-screened for further grinding, which increases the working steps and reduces the working efficiency. Thus, a graphite micro-powder pulverizing device is provided which can automatically screen the graphite powder that does not meet the specifications and re-enter the grinding mechanism for further grinding.

[0008] In order to achieve the above-mentioned purpose, the utility model provides a graphite micro-powder pulverizing equipment, which includes: a tank body, a grinding mechanism, a blowing mechanism and a screen. An inner shell body is coaxially arranged inside the tank body, and a gap is provided between the outer side wall of the inner shell body and the inner side wall of the tank body to form a material lifting channel. The grinding mechanism is coaxially and rotatably arranged in the inner shell body, a feeding pipe is arranged on one side of the tank body, and one end of the feeding pipe extends into the inner wall of the tank body, penetrates the side wall of the inner shell body and is arranged above the grinding mechanism, and the discharge port below the grinding mechanism is connected with the material lifting channel, and an air outlet pipe is arranged above the tank body, and one end of the air outlet pipe extends into the interior of the tank body and is coaxially arranged at the open end of the upper end of the inner shell body, and a screen is provided at this end, and there is a gap between the upper end of the inner shell body and the top wall of the tank body, and the blowing mechanism is arranged at the bottom of the tank body, and its air outlet is connected with the material lifting channel.

[0009] Preferably, the grinding mechanism comprises: a bulk material disc, a grinding assembly and a driving motor, the bulk material disc is coaxially arranged in the inner shell, the grinding assembly is coaxially arranged around the bulk material disc, the driving motor is arranged in the tank body, and its output shaft is coaxially arranged with the bulk material disc.

[0010] Preferably, the upper surface of the bulk material tray is a conical surface with a protrusion at the center.

[0011] Preferably, a plurality of annular mounting grooves are sequentially arranged around the circumference of the bulk material disc from top to bottom, the grinding assembly comprises a plurality of grinding pieces arranged in the annular mounting grooves around the circumference of the bulk material disc from top to bottom, and a plurality of annular sliding grooves matching each grinding piece are arranged around the inner wall of the inner shell.

[0012] Preferably, the distance between the outer wall of the grinding element located in different annular mounting grooves on the circumferential side of the bulk material disc and the inner wall of the annular sliding groove decreases from top to bottom.

[0013] Preferably, a conical base is coaxially arranged at the bottom of the bulk material tray, and an inverted funnel-shaped discharge opening adapted to the conical base is arranged at the lower end of the inner shell body, and a gap is provided between the inner side wall of the inverted funnel-shaped discharge opening and the outer side wall of the conical base to form a discharge channel.

[0014] Preferably, the screen is cylindrical and is coaxially rotatably arranged at one end of the air outlet pipe extending into the tank body.

[0015] Preferably, the output end of the driving motor is coaxially arranged with the bottom of the screen.

[0016] Preferably, the opening at the upper end of the inner shell is funnel-shaped.

[0017] According to the above technical scheme, the beneficial effects of the utility model compared with the prior art are: the utility model adds graphite particles to the grinding mechanism through the feed pipe, and then grinds the graphite particles into micropowder through the grinding mechanism; starts the blower mechanism, and the blower mechanism blows air into the material lifting channel, and the wind will be discharged through the outlet pipe; when the graphite micropowder is discharged from the discharge port of the grinding mechanism, it will be attracted by the wind and enter the material lifting channel, and move to the screen with the wind, unqualified graphite micropowder will be screened by the screen to the grinding mechanism for further grinding, and qualified graphite micropowder will be discharged through the air duct accompanied by the wind; thereby realizing automatic screening of substandard graphite powder and allowing it to re-enter the grinding mechanism for further grinding.

[0018] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation mode; and the parts not involved in the utility model are the same as the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0020] Figure 1 This is a plan view of a graphite powder pulverizing device provided in a preferred embodiment of the utility model. Figure 1 .

[0021] Figure 2 This is a plan view of a graphite powder pulverizing device provided in a preferred embodiment of the utility model. Figure 2 .

[0022] Figure 3 This is a plan view of a graphite powder pulverizing device provided in a preferred embodiment of the utility model. Figure 3 .

[0023] Figure 4 It is a partial plan view of a graphite micro powder pulverizing device provided in a preferred embodiment of the utility model.

[0024] Explanation of the reference numerals: 1-tank body; 101-feed pipe; 102-air outlet pipe; 103-inner shell; 10301-annular slide groove; 10302-inverted funnel-shaped discharge opening; 104-lifting channel; 105-discharge channel; 2-grinding mechanism; 201-bulk material tray; 20101-annular mounting groove; 20102-conical base; 202-grinding assembly; 20201-grinding part; 203-driving motor; 3-blowing mechanism; 4-screen. DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0026] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like are used to indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, if the terms "first", "second", "third" and the like appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In addition, if the terms "horizontal", "vertical", "overhanging" and the like appear, it does not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] Reference Figure 1-Figure 3A graphite micro powder pulverizing device, the device comprises: a tank body 1, a grinding mechanism 2, a blower mechanism 3 and a screen 4, an inner shell 103 is coaxially arranged inside the tank body 1, a gap is provided between the outer wall of the inner shell 103 and the inner wall of the tank body 1 to form a material raising channel 104, the grinding mechanism 2 is coaxially rotatably arranged in the inner shell 103, a feed pipe 101 is arranged on one side of the tank body 1, and one end of the feed pipe 101 extends into the inner wall of the tank body 1 and penetrates the inner shell 104. 3 side walls and are arranged above the grinding mechanism 2, the discharge port below the grinding mechanism 2 is communicated with the material raising channel 104, an air outlet pipe 102 is arranged above the tank body 1, one end of the air outlet pipe 102 extends into the interior of the tank body 1 and is coaxially arranged at the open end of the upper end of the inner shell body 103, and a screen 4 is arranged at this end, there is a gap between the upper end of the inner shell body 103 and the inner top wall of the tank body 1, the air blowing mechanism 3 is arranged at the bottom of the tank body 1, and its air outlet is communicated with the material raising channel 104.

[0030] In the present application, graphite particles are added to the grinding mechanism 2 through the feed pipe 101, and then the graphite particles are ground into fine powder through the grinding mechanism 2; the blower mechanism 3 is started, and the blower mechanism 3 blows air into the feeding channel 104, and the wind is discharged through the outlet pipe 102; when the graphite fine powder is discharged from the discharge port of the grinding mechanism 2, it will be attracted by the wind and enter the feeding channel 104, and move to the screen 4 together with the wind, and unqualified graphite fine powder will be screened by the screen 4 to the grinding mechanism 2 for further grinding, and qualified graphite fine powder will be discharged through the air duct accompanied by the wind; thereby, the graphite powder that does not meet the standards can be automatically screened and re-entered into the grinding mechanism 2 for further grinding.

[0031] Reference Figure 3 The grinding mechanism 2 includes: a bulk material disc 201, a grinding assembly 202 and a driving motor 203. The bulk material disc 201 is coaxially arranged in the inner shell 103, and the grinding assembly 202 is coaxially arranged around the bulk material disc 201. The driving motor 203 is arranged in the tank body 1, and its output shaft is coaxially arranged with the bulk material disc 201.

[0032] The graphite particles and unqualified graphite powder of the present application will fall onto the bulk material disc 201, and the driving motor 203 will drive the bulk material disc 201 to rotate. The graphite particles and unqualified graphite powder will fall from the edge of the bulk material disc 201 into the grinding assembly 202 for grinding under the action of centrifugal force.

[0033] Reference Figure 4 : The upper surface of the bulk material tray 201 is a conical surface with a protrusion in the center.

[0034] The present application adopts such a design to ensure that all graphite particles and unqualified graphite powders will fall from the edge of the bulk material disk 201 into the grinding assembly 202 for grinding under the action of centrifugal force.

[0035] Reference Figure 3 and Figure 4 : The bulk material disc 201 is provided with a plurality of annular mounting grooves 20101 in sequence from top to bottom. The grinding assembly 202 comprises a plurality of grinding members 20201 arranged in the annular mounting grooves 20101 on the bulk material disc 201 from top to bottom. The inner wall of the inner shell 103 is provided with a plurality of annular sliding grooves 10301 matched with each grinding member 20201.

[0036] In the present application, the graphite particles and unqualified graphite powder fall from the edge of the bulk material plate 201 to between the annular chute 10301 and the grinding piece 20201. The driving motor 203 drives the bulk material plate 201 to rotate and at the same time drives the grinding piece 20201 to move to cooperate with the annular chute 10301 to continuously grind the graphite particles and unqualified graphite powder.

[0037] Reference Figure 3 : The distance between the outer wall of the grinding member 20201 located in different annular mounting grooves 20101 on the periphery of the bulk material plate 201 and the inner wall of the annular slide groove 10301 decreases from top to bottom.

[0038] The design of the present application can fully grind the graphite particles and unqualified graphite powder. After the graphite particles and unqualified graphite powder are fully ground under the cooperation of the annular chute 10301 and the grinding piece 20201 of the uppermost layer, they will fall into the annular chute 10301 and the grinding piece 20201 of the next layer for full grinding to improve the crushing quality.

[0039] Reference Figure 2-Figure 4 : A conical base 20102 is coaxially arranged at the bottom of the bulk material tray 201, and an inverted funnel-shaped discharge opening 10302 adapted to the conical base 20102 is arranged at the lower end of the inner shell body 103, and a gap is provided between the inner wall of the inverted funnel-shaped discharge opening 10302 and the outer wall of the conical base 20102 to form a discharge channel 105.

[0040] The present application forms an inclined material discharge channel 105 through such a design, so as to facilitate the graphite powder to enter the material supply channel 104 under the attraction of wind force.

[0041] Reference Figure 4 The screen 4 is cylindrical and is coaxially rotatably arranged at one end of the air outlet pipe 102 extending into the tank body 1.

[0042] The present application adopts such a design that each side of the screen 4 can screen the graphite powder evenly, thereby improving the screening effect and preventing a large amount of graphite powder from gathering at a certain place of the screen 4, resulting in the qualified graphite powder being screened out.

[0043] Reference Figure 4 : The output end of the driving motor 203 is coaxially arranged with the bottom of the screen 4.

[0044] In the present application, by starting the driving motor 203, the bulk material tray 201 is driven to rotate, and the screen 4 is also driven to rotate synchronously, so as to improve the screening effect.

[0045] Reference Figure 2 and Figure 3 : The opening at the upper end of the inner shell 103 is funnel-shaped.

[0046] The present application can ensure that unqualified graphite powder falls onto the bulk material tray 201 through this design, so as to improve the crushing efficiency.

[0047] When the device provided by the utility model is in use, graphite particles are added to the grinding mechanism 2 through the feed pipe 101, and then the graphite particles are ground into micro powder through the grinding mechanism 2; the blower mechanism 3 is started, and the blower mechanism 3 blows air into the feeding channel 104, and the wind is discharged through the outlet pipe 102; when the graphite micro powder is discharged from the discharge port of the grinding mechanism 2, it will be attracted by the wind and enter the feeding channel 104, and move to the screen 4 together with the wind, and unqualified graphite micro powder will be screened by the screen 4 to the grinding mechanism 2 for further grinding, and qualified graphite micro powder will be discharged through the air duct accompanied by the wind; thereby, the graphite powder that does not meet the standards is automatically screened and re-entered into the grinding mechanism 2 for further grinding.

[0048] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0049] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0050] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A graphite powder pulverizing device, characterized in that: The device comprises: a tank body (1), a grinding mechanism (2), a blower mechanism (3) and a screen (4); an inner shell (103) is coaxially arranged inside the tank body (1); a gap is provided between the outer wall of the inner shell (103) and the inner wall of the tank body (1) to form a material feeding channel (104); the grinding mechanism (2) is coaxially rotatably arranged inside the inner shell (103); a feed pipe (101) is arranged on one side of the tank body (1); one end of the feed pipe (101) extends into the inner wall of the tank body (1) and passes through the side wall of the inner shell (103) and It is arranged above the grinding mechanism (2), and the discharge port below the grinding mechanism (2) is connected to the material raising channel (104). An air outlet pipe (102) is arranged above the tank body (1). One end of the air outlet pipe (102) extends into the interior of the tank body (1) and is coaxially arranged at the open end of the upper end of the inner shell body (103), and a screen (4) is arranged at this end. There is a gap between the upper end of the inner shell body (103) and the inner top wall of the tank body (1). The air blowing mechanism (3) is arranged at the bottom of the tank body (1), and its air outlet is connected to the material raising channel (104).

2. A graphite powder pulverizing device according to claim 1, characterized in that: The grinding mechanism (2) comprises: a bulk material disc (201), a grinding assembly (202) and a driving motor (203); the bulk material disc (201) is coaxially arranged in the inner shell (103); the grinding assembly (202) is coaxially arranged around the bulk material disc (201); the driving motor (203) is arranged in the tank body (1), and its output shaft is coaxially arranged with the bulk material disc (201).

3. A graphite powder pulverizing device according to claim 2, characterized in that: The upper surface of the bulk material tray (201) is a conical surface with a protrusion at the center.

4. A graphite powder pulverizing device according to claim 2, characterized in that: The bulk material disc (201) is provided with a plurality of annular mounting grooves (20101) arranged in sequence from top to bottom around the circumference thereof; the grinding assembly (202) comprises a plurality of grinding pieces (20201) arranged in the annular mounting grooves (20101) arranged from top to bottom around the circumference thereof; and the inner side wall of the inner shell (103) is provided with a plurality of annular sliding grooves (10301) adapted to each grinding piece (20201).

5. A graphite powder pulverizing device according to claim 4, characterized in that: The distance between the outer wall of the grinding element (20201) located in different annular mounting grooves (20101) on the circumferential side of the bulk material disc (201) and the inner wall of the annular sliding groove (10301) decreases from top to bottom.

6. A graphite powder pulverizing device according to claim 2, characterized in that: A conical base (20102) is coaxially arranged at the bottom of the bulk material tray (201), and an inverted funnel-shaped material discharge opening (10302) adapted to the conical base (20102) is arranged at the lower end of the inner shell (103), and a gap is provided between the inner side wall of the inverted funnel-shaped material discharge opening (10302) and the outer side wall of the conical base (20102) to form a material discharge channel (105).

7. The graphite powder pulverizing equipment according to claim 1, characterized in that: The screen (4) is cylindrical and is coaxially rotatably arranged at one end of the air outlet pipe (102) extending into the tank body (1).

8. The graphite powder pulverizing equipment according to claim 2, characterized in that: The output end of the driving motor (203) is coaxially arranged with the bottom of the screen (4).

9. The graphite powder pulverizing equipment according to claim 1, characterized in that: The opening at the upper end of the inner shell (103) is funnel-shaped.

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