阅读说明：本技术 一种应用于***制备的木粉模具 (Be applied to wood flour mould of explosive preparation ) 是由 刘丰华 李沪军 林德兵 冯希 严程程 吴国峰 伍华 胡晶 王娟 许杨 于 2019-11-06 设计创作，主要内容包括：本发明公开了一种应用于炸药制备的木粉模具,包括传动辊、传动轴、外壳、内盘和外盘,其中：所述传动轴的一端与所述传动辊同轴固定连接,所述传动轴的另一端同轴贯穿所述外壳的闭合机构,并与所述内盘同轴连接；所述外盘与外壳的开口结构同轴固定连接,所述外盘与内盘均具有相同的研磨结构且相对设置,并均位于所述外壳的腔体内部；所述研磨结构为双椭圆形凹槽状结构,所述双椭圆形同圆心且长轴互相垂直。本发明通过设置具有特定研磨结构的内盘和外盘,并配合可升缩的传动轴,使该木粉磨具能够适用于多种不同规格的木粉研磨工作；同时,以特定方法所制备的研磨结构能够显著延长磨具工作寿命,极大地降低了生产成本。(The invention discloses a wood powder mold applied to explosive preparation, which comprises a driving roller, a transmission shaft, a shell, an inner disc and an outer disc, wherein: one end of the transmission shaft is coaxially and fixedly connected with the transmission roller, and the other end of the transmission shaft coaxially penetrates through the closing mechanism of the shell and is coaxially connected with the inner disc; the outer disc and the inner disc are provided with the same grinding structure and are oppositely arranged and are positioned in the cavity of the shell; the grinding structure is a double-ellipse groove-shaped structure, the double ellipses are concentric, and long axes of the double ellipses are perpendicular to each other. According to the wood flour grinding tool, the inner disc and the outer disc with specific grinding structures are arranged and matched with the scalable transmission shaft, so that the wood flour grinding tool can be suitable for grinding wood flour of various specifications; meanwhile, the grinding structure prepared by a specific method can obviously prolong the service life of the grinding tool, and greatly reduce the production cost.)

1. The utility model provides a be applied to wood flour mould of explosive preparation which characterized in that, includes driving roller, transmission shaft, shell, inner disc and outer dish, wherein:

the shell is of a horizontally arranged cylindrical structure, one end of the shell is of an open structure along the horizontal direction, the other end of the shell is of a closed structure, and a discharge hole is formed in the curved surface bottom of the shell;

one end of the transmission shaft is coaxially and fixedly connected with the transmission roller, and the other end of the transmission shaft coaxially penetrates through the closing mechanism of the shell and is coaxially connected with the inner disc;

the outer disc and the inner disc are provided with the same grinding structure and are oppositely arranged and are positioned in the cavity of the shell;

the grinding structure is a double-ellipse groove-shaped structure, the double ellipses are concentric, and long axes of the double ellipses are perpendicular to each other.

2. The wood flour mold for explosive preparation according to claim 1, wherein the driving shaft has a telescopic structure for adjusting the interval between the inner and outer discs.

3. The wood flour mold for explosive preparation according to claim 1, wherein the inner disc comprises an inner disc bottom and a first abrasive layer;

the inner disc bottom is of a disc-shaped structure, a plurality of first protruding strips and a plurality of second protruding strips are arranged on one side, close to the outer disc, of the inner disc bottom, the plurality of first protruding strips and the plurality of second protruding strips are evenly distributed at intervals along the circumference of the inner disc bottom, and the first protruding strips and the second protruding strips are different in size and specification;

the first polishing layer is deposited on the first and second raised strips and forms the polishing structure.

4. The wood flour mold for explosive preparation according to claim 3, wherein the outer plate comprises an outer plate bottom, a plurality of fixing lug hole pieces and a second grinding layer;

the outer disc bottom and the inner disc bottom are coaxially arranged, and the projection areas of the outer disc bottom and the inner disc bottom in the axial direction are equal;

the plurality of fixing lug hole pieces are uniformly fixed on the side surface of the bottom of the outer disc and used for enabling screws to penetrate through the fixing lug hole pieces to enable the shell to be connected with the bottom of the outer disc;

a plurality of third protruding strips are arranged on one side, close to the inner plate bottom, of the outer plate bottom, and the third protruding strips are uniformly distributed along the periphery of the outer plate bottom;

the second grinding layer is deposited on the third convex strips, and the grinding structure is formed.

5. The wood flour mold for explosive preparation according to claim 4, wherein the first and second grinding layers have the same structure, and the processing method thereof is as follows:

uniformly mixing carborundum, magnesium oxide and magnesium chloride solution in a ratio of 5:1:1 in parts by volume, introducing the mixture into a mold, naturally drying the mixture, and depositing the mixture on the inner disc bottom or the outer disc bottom;

wherein the grain diameter of the carborundum is 12-13 meshes, and the mass concentration of the magnesium chloride solution is 60-70%.

6. The wood flour mold for explosive preparation according to claim 1, further comprising a material guide chute, wherein the material guide chute is communicated with the center of the outer disc and is disposed on one side of the outer disc far away from the inner disc.

7. The wood flour mold for explosive preparation according to claim 1, further comprising a driving motor and a transmission belt, wherein the transmission belt is sequentially wound between the rotating shaft of the driving motor and the transmission roller, and the driving motor drives the transmission roller to rotate through the transmission belt.

Technical Field

The invention relates to a wood powder grinding device, in particular to a wood powder mold applied to explosive preparation.

Background

At present, wood powder with proper particle size is often filled in the preparation of ammonium nitrate explosives, and the sensitizing effect and the loosening effect of the wood powder are utilized to ensure that the prepared finished explosives can keep good quality, and the particle size quality of the ground wood powder is particularly important. In the prior art, wood flour grinding is usually performed by only grinding one wood flour product with one grain size specification by one grinding tool, and when wood flour with other specifications needs to be ground, a new grinding tool needs to be replaced, so that the preparation cost is greatly increased when wood flour products with various specifications are processed, and time and labor are wasted when the processing specifications are changed; meanwhile, after the traditional wood flour grinding tool works for a long time, the grinding precision is poor, and one set of grinding tool needs to be replaced again, so that the preparation cost is increased, and the long-term production is not facilitated. It is therefore desirable to provide a new wood flour mold for solving the above problems.

Disclosure of Invention

The invention aims to provide a wood powder mold applied to explosive preparation, which is used for solving the problem that the traditional grinding tool in the prior art can only grind wood powder with a single specification, and a plurality of sets of grinding tools are needed to prepare wood powder with various specifications, so that the cost is high.

In order to solve the technical problem, the invention provides a wood powder mold applied to explosive preparation, which comprises a driving roller, a transmission shaft, a shell, an inner disc and an outer disc, wherein: the shell is of a horizontally arranged cylindrical structure, one end of the shell is of an open structure along the horizontal direction, the other end of the shell is of a closed structure, and a discharge hole is formed in the curved surface bottom of the shell; one end of the transmission shaft is coaxially and fixedly connected with the transmission roller, and the other end of the transmission shaft coaxially penetrates through the closing mechanism of the shell and is coaxially connected with the inner disc; the outer disc and the inner disc are provided with the same grinding structure and are oppositely arranged and are positioned in the cavity of the shell; the grinding structure is a double-ellipse groove-shaped structure, the double ellipses are concentric, and the long axes of the double ellipses are perpendicular to each other.

Preferably, the transmission shaft is of a telescopic structure and is used for adjusting the distance between the inner disc and the outer disc.

Preferably, the inner disc comprises an inner disc bottom and a first abrasive layer; the inner disc bottom is of a disc-shaped structure, a plurality of first protruding strips and a plurality of second protruding strips are arranged on one side, close to the outer disc, of the inner disc bottom, the plurality of first protruding strips and the plurality of second protruding strips are evenly distributed at intervals along the circumference of the inner disc bottom, and the first protruding strips and the second protruding strips are different in size and specification; the first polishing layer is deposited on the first convex strips and the second convex strips, and forms a polishing structure.

Preferably, the outer disc comprises an outer disc bottom, a plurality of fixed ear hole pieces and a second grinding layer; the outer disc bottom and the inner disc bottom are coaxially arranged, and the projection areas of the outer disc bottom and the inner disc bottom in the axial direction are equal; the plurality of fixing lug hole pieces are uniformly fixed on the side surface of the bottom of the outer plate and used for enabling the shell to be connected with the bottom of the outer plate by screws penetrating through the fixing lug hole pieces; a plurality of third protruding strips are arranged on one side, close to the inner plate bottom, of the outer plate bottom, and the third protruding strips are uniformly distributed along the periphery of the outer plate bottom; the second grinding layer is deposited on the third protruding strips, and a grinding structure is formed.

Preferably, the first polishing layer and the second polishing layer have the same structure, and both processing methods are as follows: uniformly mixing carborundum, magnesium oxide and magnesium chloride solution in a ratio of 5:1:1 in parts by volume, introducing the mixture into a mold, naturally drying the mixture, and depositing the mixture on an inner disk bottom or an outer disk bottom; wherein the grain diameter of the carborundum is 12-13 meshes, and the mass concentration of the magnesium chloride solution is 60-70%.

Preferably, the wood powder mold applied to explosive preparation further comprises a guide chute, wherein the guide chute is communicated with the center of the outer disc and is arranged on one side, far away from the inner disc, of the outer disc.

Preferably, be applied to wood flour mould of explosive preparation still includes driving motor and drive belt, and the drive belt twines in proper order between driving motor rotation axis and driving roller, and driving motor passes through the drive belt drive driving roller and rotates.

The invention has the beneficial effects that: the wood powder mold is characterized in that the wood powder mold is provided with an inner disk and an outer disk which are provided with specific grinding structures, and the inner disk and the outer disk are matched with a scalable transmission shaft, so that the wood powder mold can be suitable for grinding wood powder with various specifications; meanwhile, the grinding structure prepared by a specific method can obviously prolong the service life of the grinding tool, and greatly reduce the production cost.

Drawings

FIG. 1 is a schematic cross-sectional view of one embodiment of a wood flour mold for explosive preparation according to the present invention;

FIG. 2 is a schematic diagram of the structure of an inner disc in one embodiment of the wood flour mold for explosive preparation in accordance with the present invention;

FIG. 3 is a schematic structural diagram of an inner tray bottom in one embodiment of the wood flour mold for explosive preparation in the present invention;

FIG. 4 is a schematic structural view of an outer tray bottom in an embodiment of the wood flour mold for explosive preparation in accordance with the present invention;

in the figure: 1: a driving roller; 2: a drive shaft; 3: a housing; 4: an inner disc; 41: an inner plate bottom; 411: a first raised strip; 412: a second raised strip; 42: a first polishing layer; 5: an outer disc; 51: an outer plate bottom; 511: a third raised strip; 52: fixing the ear hole; 53: a second polishing layer; 6: a material guide chute; 7: a drive motor; 8: a transmission belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4, fig. 1 is a schematic cross-sectional structure diagram of an embodiment of a wood powder mold for explosive preparation according to the present invention, fig. 2 is a schematic structure diagram of an inner disc in an embodiment of a wood powder mold for explosive preparation according to the present invention, fig. 3 is a schematic structure diagram of an inner disc bottom in an embodiment of a wood powder mold for explosive preparation according to the present invention, and fig. 4 is a schematic structure diagram of an outer disc bottom in an embodiment of a wood powder mold for explosive preparation according to the present invention. The wood powder mold applied to explosive preparation comprises a driving roller 1, a transmission shaft 2, a shell 3, an inner disc 4, an outer disc 5, a material guide groove 6, a driving motor 7 and a driving belt 8; the shell 3 is of a horizontally arranged cylindrical structure, one end of the shell 3 is of an open structure along the horizontal direction, the other end of the shell is of a closed structure, and a discharge hole is formed in the curved surface bottom of the shell 3; one end of the transmission shaft 2 is coaxially and fixedly connected with the transmission roller 1, and the other end of the transmission shaft 2 coaxially penetrates through the closing mechanism of the shell 3 and is coaxially connected with the inner disc 4; the outer disc 5 is coaxially and fixedly connected with the opening structure of the shell 3, the outer disc 5 and the inner disc 4 are both provided with the same grinding structure and are oppositely arranged and are both positioned in the cavity of the shell; the material guide groove 6 is communicated with the center of the outer disc 5, is arranged on one side of the outer disc 5 far away from the inner disc and is used for guiding grinding raw materials between the inner disc 4 and the outer disc 5; the drive belt 8 twines in proper order between 7 rotation axes of driving motor and driving roller 1, and driving motor 7 passes through 8 drive driving rollers 1 rotations of drive belt, and then drives transmission shaft 2 and inner disc 4 by driving roller 1 and rotate, and the driving motor model that adopts in this embodiment is 2GN-50K, can adopt other drive arrangement according to actual conditions in other embodiments, does not do not limit here. In addition, in this embodiment, the grinding structure is a double-ellipse groove-shaped structure, the double ellipses are concentric and the long axes are perpendicular to each other, and the grinding structure enables the inner and outer discs to work cooperatively to grind wood flour products with uniform particle sizes while accommodating the introduced grinding raw materials.

Specifically, the respective components of the wood flour mold applied to the explosive preparation as described above are explained in detail. Transmission shaft 2 is telescopic structure for adjust the interval between inner disc 4 and the outer disc 5, in this embodiment, adopts the rotatory flexible structure of screw, adjusts transmission shaft 2's flexible degree through the precession degree, and then reaches the effect of adjusting interval between inner disc 4 and the outer disc 5, in other embodiments, can adopt the axis of rotation 2 that has other telescopic structure according to actual conditions, does not do the injecing here.

The inner disc 4 comprises an inner disc bottom 41 and a first abrasive layer 42; the inner disc bottom 41 is of a disc-shaped structure, one side of the inner disc bottom 41, which is close to the outer disc 5, is provided with a plurality of first protruding strips 411 and a plurality of second protruding strips 412, the plurality of first protruding strips 411 and the plurality of second protruding strips 412 are uniformly distributed at intervals along the circumference of the inner disc bottom 41, and the first protruding strips 411 and the second protruding strips 412 are different in size; the first polishing layer 42 is deposited on the first raised strips 411 and the second raised strips 412, and forms the polishing structure; in this embodiment, the projected area of the first raised strips 411 on the inner disc bottom 41 is about 2.7 times the projected area of the second raised strips 412, and the two raised strips with different sizes are spaced apart to make the first polishing layer 42 deposited on the first raised strips 411 and the second raised strips 412 more closely attached, and to form an interlaced polishing structure with the raised strips on the outer disc 5 when the first polishing layer 42 is damaged. And the grinding work can be continued for a short time.

The outer disc 5 comprises an outer disc bottom 51, a plurality of fixed ear hole pieces 52 and a second grinding layer 53; the outer disk bottom 51 and the inner disk bottom 41 are coaxially arranged, and the projection areas of the two in the axial direction are equal; the plurality of fixing lug hole pieces 52 are uniformly fixed on the side surface of the outer disc bottom 51 and are used for connecting the shell 3 with the outer disc bottom 51 after screws penetrate through the fixing lug hole pieces 52 so as to keep the outer disc 5 fixed; the side of the outer plate bottom 51 close to the inner plate bottom 41 is provided with a plurality of third convex strips 511, and the third convex strips 511 are uniformly distributed along the periphery of the outer plate bottom, so that the second grinding layer 53 deposited on the third convex strips 511 is more tightly attached; the second polishing layer 53 is deposited on the third bump strips 511, and forms the polishing structure.

The first polishing layer 42 and the second polishing layer 53 have the same structure, and both processing methods are as follows: uniformly mixing carborundum, magnesium oxide and magnesium chloride solution in a ratio of 5:1:1 in parts by volume, introducing the mixture into a mold, naturally drying the mixture, and depositing the mixture on an inner disk bottom 41 or an outer disk bottom 51; wherein the grain diameter of the carborundum is 12-13 meshes, and the mass concentration of the magnesium chloride solution is 60-70%. Compared with the traditional grinding tool in terms of durability, the grinding layer processed by the method has the advantages that the effective working time of the traditional grinding tool is about 3-4 months, the effective working time of the grinding layer prepared by the method is about 5-6 months, and the working life of the grinding tool is obviously prolonged under the condition that wood flour products with the same particle size are ground and the working hours are the same every day.

Further, the operation of the wood powder mold applied to the preparation of explosives is explained in detail based on the structural description of the wood powder mold. Before the wood flour mill is operated, the drive shaft 2 is screwed into place, i.e. the distance between the first and second grinding layers 42, 53 is adapted to grind wood flour of the desired particle size. When the wood powder grinding tool works, the driving motor 7 is started, the driving roller 1 and the transmission shaft 2 are driven to rotate through the transmission belt 8, and therefore the transmission shaft 2 drives the inner disc 4 to rotate; at the same time, the grinding raw material is injected into the material guide groove 6 and reaches the cavity area of the grinding structure between the first grinding layer 42 and the second grinding layer 53 through the central through hole of the outer disc 5, at the moment, the first grinding layer 42 rotates and operates, and the second grinding layer 53 keeps still, so that the grinding raw material between the first grinding layer 42 and the second grinding layer 53 is ground, the grinding raw material can be uniformly ground under the matching action of a specific grinding structure, and finally the grinding raw material is led out from the discharge hole at the bottom of the shell 3. According to the wood powder grinding tool, wood powder products with different specifications can be ground only by adjusting the distance between the first grinding layer 42 and the second grinding layer 53 through the transmission shaft 2 without replacing a new grinding device, so that the production cost is effectively reduced; meanwhile, the grinding layer prepared by the specific method can obviously prolong the service life of the grinding tool, and when the grinding tool is worn, only a new grinding layer needs to be deposited without replacing a new grinding device, so that the production cost is further reduced.

The wood powder mold is characterized in that the wood powder mold is provided with an inner disk and an outer disk which are provided with specific grinding structures, and the inner disk and the outer disk are matched with a scalable transmission shaft, so that the wood powder mold can be suitable for grinding wood powder with various specifications; meanwhile, the grinding structure prepared by a specific method can obviously prolong the service life of the grinding tool, and greatly reduce the production cost.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.