Conical spiral crusher
Technical Field
The utility model relates to the technical field of crushing equipment, in particular to a conical spiral crusher.
Background
The existing crushing equipment mainly crushes solid raw materials in modes of rolling, shearing and impacting. The rolling is mainly used for coarse crushing and medium crushing, and is suitable for crushing hard materials and large lump materials; the shearing is mainly used for crushing or smashing, and is suitable for smashing of tough or fibrous materials; the impact is mainly used for crushing and depolymerizing and is suitable for crushing fragile materials; the crushing equipment has the defects of more parts, more complex structure, higher cost, difficult maintenance, uneven crushed particles and the like, and the size of the powder is not adjustable.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the conical spiral crusher which is reasonable in structure, can realize adjustment of various particle sizes and is good in grinding effect.
In order to realize the purpose, the technical scheme provided by the utility model is as follows: the utility model provides a toper spiral rubbing crusher, it includes the casing, the spiral pay-off axle, a machine support, the speed reducer is installed to frame top one end, the casing is installed to the frame other end, it has the spiral pay-off axle to be horizontal installation in the casing, the shrink of one of them end of spiral pay-off axle forms the transmission shaft, the transmission shaft passes the casing and is connected with the speed reducer output, install the feeder hopper on the casing of spiral pay-off epaxial side, spiral pay-off axle other end connection has the fine grinding subassembly, form the coarse grinding district between spiral pay-off axle and the casing inner chamber wall, the fine grinding subassembly outside is equipped with grinds the head cover, the bistrique covers and is equipped with adjusting part, adjusting part is connected with the fine grinding subassembly.
The fine grinding assembly comprises an inner grinding head and an outer grinding head, wherein the inner grinding head is conical, the larger end of the inner grinding head is connected with the spiral feeding shaft, the outer grinding head is sleeved outside the inner grinding head, the outer grinding head is conical, and the conical direction is consistent with the conical direction of the inner grinding head; the conicity of the inner cavity wall of the outer grinding head is larger than that of the outer peripheral surface of the inner grinding head; one end of the grinding head cover is connected with the shell, and the other end of the grinding head cover is connected with the adjusting component; the outer grinding head is sleeved in the grinding head cover, a fine grinding area is reserved between the surface of the sleeved inner grinding head and the inner cavity wall of the outer grinding head, grinding teeth which are matched with each other are arranged on the surface of the inner grinding head and the inner cavity wall of the outer grinding head, the edge of the larger end of the outer grinding head extends outwards to form a guide ring, the outer ring surface of the guide ring is in contact with the inner cavity wall of the grinding head cover, the smaller end of the outer grinding head extends to form a fine grinding adjusting cylinder, and the fine grinding adjusting cylinder is connected with an adjusting component.
The adjusting assembly comprises a fine grinding area adjusting ring and a granularity adjusting ring, wherein an adjusting ring embedding groove is formed in the end part of the grinding head cover in a concave mode, a fine grinding area embedding ring is arranged on the ring surface of one side of the fine grinding area adjusting ring, the fine grinding area embedding ring is sleeved with the adjusting ring embedding groove, a covering ring is arranged on the other side of the fine grinding area adjusting ring, an adjusting cylinder internal thread is arranged on the inner ring surface of the fine grinding area adjusting ring, an adjusting cylinder external thread is arranged on the outer peripheral surface of the middle part of the fine grinding adjusting cylinder, and the adjusting cylinder internal thread is meshed with the adjusting cylinder external thread; an outer ring caulking groove is formed in the inner periphery of a fine grinding adjusting cylinder far away from an outer grinding head in a concave mode, a limiting ring is arranged on one side of a granularity adjusting ring, an outer ring caulking rib is arranged on the inner ring surface of the limiting ring, the outer ring caulking rib is movably embedded in the outer ring caulking groove, a granularity adjusting cylinder is movably sleeved in the fine grinding adjusting cylinder, one end of the granularity adjusting cylinder is right opposite to the smaller end of the inner grinding head, a discharging area is formed between the end of the granularity adjusting cylinder and the end of the inner grinding head, the other end of the granularity adjusting cylinder extends out of the fine grinding adjusting cylinder to form a discharging end, a granularity adjusting external thread is arranged on the outer peripheral surface of the discharging end, a granularity adjusting internal thread is arranged on the inner ring surface of the granularity adjusting ring, and the granularity adjusting internal thread is meshed with the granularity adjusting external thread; the outer side of the discharge end is provided with a material guide cylinder, the bottom of the material guide cylinder is provided with a support, and the support is fixedly connected with the casing.
The inner diameter of the granularity adjusting cylinder is smaller than the outer diameter of the smaller end of the inner grinding head.
The thread length of the external thread of the adjusting cylinder is larger than that of the internal thread of the adjusting cylinder.
The top of the outer ring surface of the guide ring is provided with a raised guide block, the top of the inner cavity wall of the grinding head cover is provided with a guide groove, and the guide block is positioned in the guide groove.
After the scheme is adopted, the raw materials to be ground enter the coarse grinding area from the feed hopper, the raw materials are conveyed backwards while being subjected to coarse grinding by the spiral feeding shaft, the raw materials after the primary grinding enter the fine grinding area for fine grinding, the fine grinding granularity can be adjusted by the fine grinding area adjusting ring, and the granularity adjusting ring is used for controlling the discharging speed, so that the granularity is finely adjusted.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, in which preferred embodiments of the utility model are: referring to fig. 1 and fig. 2, the conical spiral crusher according to this embodiment includes a housing 101, a spiral feeding shaft 102, and a frame 104, wherein a speed reducer 105 is installed at one end of the top of the frame 104, the housing 101 is installed at the other end of the frame 104, the spiral feeding shaft 102 is horizontally installed in the housing 101, one end of the spiral feeding shaft 102 contracts to form a transmission shaft, the transmission shaft penetrates through the housing 101 to be connected with an output end of the speed reducer 105, a feeding hopper is installed on the housing 101 above the spiral feeding shaft 102, a fine grinding assembly is connected to an end of the other end of the spiral feeding shaft 102, a coarse grinding area is formed between the spiral feeding shaft 102 and an inner cavity wall of the housing 101, a grinding head cover 106 is disposed outside the fine grinding assembly, an adjusting assembly is disposed on the grinding head cover 106, and the adjusting assembly is connected with the fine grinding assembly.
The fine grinding component comprises an inner grinding head 103 and an outer grinding head 107, wherein the inner grinding head 103 is conical, the larger end of the inner grinding head is connected with the spiral feeding shaft 102, the outer grinding head 107 is sleeved outside the inner grinding head 103, the outer grinding head 107 is conical, and the conical direction is consistent with the conical direction of the inner grinding head 103; the conicity of the inner cavity wall of the outer grinding head 107 is larger than that of the peripheral surface of the inner grinding head 103; one end of the grinding head cover 106 is connected with the shell 101, and the other end is connected with the adjusting component; the outer grinding head 107 is sleeved in the grinding head cover 106, a fine grinding area is reserved between the surface of the sleeved inner grinding head 103 and the inner cavity wall of the outer grinding head 107, grinding teeth which are matched with each other are arranged on the surface of the inner grinding head 103 and the inner cavity wall of the outer grinding head 107, the edge of the larger end of the outer grinding head 107 is outwards expanded to form a guide ring 108, the outer annular surface of the guide ring 108 is contacted with the inner cavity wall of the grinding head cover 106, a raised guide block is arranged at the top of the outer annular surface of the guide ring 108, a guide groove is arranged at the top of the inner cavity wall of the grinding head cover 106, the guide block is positioned in the guide groove, the smaller end of the outer grinding head 107 extends to form a fine grinding adjusting cylinder 109, and the fine grinding adjusting cylinder 109 is connected with an adjusting component.
The adjusting assembly comprises a fine grinding area adjusting ring 110 and a granularity adjusting ring 111, wherein an adjusting ring embedding groove is formed in the end part of the grinding head cover 106 in a concave mode, a fine grinding area embedding ring 113 is arranged on the ring surface of one side of the fine grinding area adjusting ring 110, the fine grinding area embedding ring 113 is sleeved with the adjusting ring embedding groove, a shielding ring 114 is arranged on the other side of the fine grinding area adjusting ring 110, an adjusting cylinder internal thread 115 is arranged on the ring surface of the fine grinding area adjusting ring 110, an adjusting cylinder external thread is arranged on the outer peripheral surface of the middle part of the fine grinding adjusting cylinder 109, the adjusting cylinder internal thread 115 is meshed with the adjusting cylinder external thread, and the thread length of the adjusting cylinder external thread is larger than that of the adjusting cylinder internal thread 115; an outer ring caulking groove 116 is concavely formed in the peripheral surface of a fine grinding adjusting cylinder 109 far away from an outer grinding head 107, a limiting ring 117 is arranged on one side of a granularity adjusting ring 111, an outer ring caulking rib 118 is arranged on the inner ring surface of the limiting ring 117, the outer ring caulking rib 118 is movably embedded in the outer ring caulking groove 116, a granularity adjusting cylinder 119 is movably sleeved in the fine grinding adjusting cylinder 109, one end of the granularity adjusting cylinder 119 is right opposite to the smaller end of the inner grinding head 103, the inner diameter of the granularity adjusting cylinder 119 is smaller than the outer diameter of the smaller end of the inner grinding head 103, a discharging area is formed between the end of the granularity adjusting cylinder 119 and the end of the inner grinding head 103, the other end of the granularity adjusting cylinder 119 extends out of the fine grinding adjusting cylinder 109 to form a discharging end, a granularity adjusting external thread is arranged on the peripheral surface of the discharging end, a granularity adjusting internal thread 120 is arranged on the inner ring surface of the granularity adjusting ring 111, and the granularity adjusting internal thread 120 is meshed with the granularity adjusting external thread; a material guide cylinder 121 is arranged outside the discharging end, a support 122 is arranged at the bottom of the material guide cylinder 121, and the support 122 is fixedly connected with the casing 101.
Spiral shearing ribs are arranged on the inner cavity wall of the shell and the peripheral surface of the spiral feeding shaft, and grinding teeth (similar to the surface of a grinding disc) are arranged on the inner cavity wall of the outer grinding head and the surface of the inner grinding head;
when the grinding device is used, raw materials to be ground enter a coarse grinding area from a feed hopper, a speed reducer operates under the drive of a corresponding motor, a spiral feeding shaft is synchronously driven to operate through a transmission shaft, the raw materials are sheared and coarsely ground to form coarse grinding materials while the spiral feeding shaft feeds the materials, the coarse grinding materials enter a fine grinding area, an inner grinding head synchronously rotates while the spiral feeding shaft operates, the coarse grinding materials are ground again through the fine grinding area, and the taper of the inner cavity wall of the outer grinding head is larger than that of the outer peripheral surface of the inner grinding head; thereby forming a fine grinding area with large feeding direction (spiral feeding shaft direction) and small discharging direction, facilitating the speed reduction of the raw materials and simultaneously realizing extrusion; when the granularity (superfine grinding) of the fine grinding area needs to be adjusted, the fine grinding area adjusting ring is rotated, the adjusting cylinder external thread is driven by the adjusting cylinder internal thread to enable the fine grinding adjusting cylinder to move forwards (towards the direction of a spiral feeding shaft), the fine grinding adjusting cylinder drives the outer grinding head to move forwards while moving forwards (the guide block and the guide groove are matched to enable the outer grinding head to move forwards and backwards and not to rotate), so that the width of the fine grinding area (the distance between the inner grinding head and the outer grinding head) is reduced, the raw material conveying speed in the fine grinding area is slower, the grinding is finer, the ground superfine material passes through the discharging area, the superfine material is led out through the inner cavity of the granularity adjusting cylinder, when the superfine grinding needs to be carried out, the granularity adjusting ring is rotated, the granularity adjusting external thread is enabled to move through the granularity adjusting internal thread to enable the granularity adjusting cylinder to move forwards (towards the direction of the inner grinding head), the discharging area is narrowed when the granularity adjusting cylinder moves forwards (the distance between the end part of the inner grinding head and the end part of the granularity adjusting cylinder), thereby reducing the discharging speed, leading the retention time of the raw materials in the grinding area to be longer, leading the grinding granularity to be finer and achieving the purpose of superfine grinding.
This embodiment is particularly useful for raw materials such as bamboo powder, wood flour, medicinal material and uses, and this type of raw materials has certain toughness when grinding, need carry out the control of various granularities again simultaneously, to the size of granule and the degree of consistency all have higher requirement, consequently, the scheme carries out the scissors earlier, then grinds, can realize superfine grinding and superfine grinding to reach the demand of powder preparation.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the changes in the shape and principle of the present invention should be covered within the protection scope of the present invention.