Disclosure of utility model
1. The technical problems to be solved are as follows:
Aiming at the problems existing in the prior art, the utility model aims to provide the sand and stone crusher with the grading function, crushing materials fall above a buffer part from a discharging opening of a crushing box, impact force of the falling crushing materials is buffered, and vibration with a certain frequency and amplitude is generated under the linear vibration of a vibrator, so that the crushing materials borne above a screen mesh I are caused to generate the same vibration frequency and amplitude, the crushing materials are graded and separated under the condition that the mesh diameters of the screen mesh I and the screen mesh II are different and the arrangement of vibration and inclined planes is adopted, the sorting use of subsequent personnel or the crushing work of the crushing materials with larger diameters is carried out again is facilitated, and the working efficiency of the personnel is greatly improved.
2. The technical scheme is as follows:
in order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a gravel crusher with classifying function, includes the crushing case, the side fixedly connected with external frame of crushing case, install two intermeshing's crushing roller between the inner wall of crushing case, the side fixedly connected with of external frame a plurality of evenly distributed links up the support, the feed opening downside of crushing case is equipped with the screening subassembly;
The screening assembly comprises a screening base arranged on the lower side of the crushing box, a first spring is respectively arranged between the lateral end of the screening base and each connecting bracket, a vibrator is arranged at the lower end of the screening base, and a buffer piece, a first screening net, a second screening net and a screening plate are sequentially arranged between the inner walls of the screening base from top to bottom.
The crushing machine is further improved in that the transmission end of one crushing roller penetrates to the outer side of the crushing box, a motor is arranged at one end of the external frame, and a transmission belt is sleeved between the output end of the motor and the transmission end of the outer side of the crushing roller.
The buffer piece is positioned on one side above the first screening net, the inclined plane at the top of the buffer piece is opposite to the inclined plane of the first screening net, and gaps are reserved among the buffer piece, the first screening net, the second screening net and the screening plate.
The damping device is further improved in that the damping piece comprises a damping base fixedly connected with the inner walls of the top side of the sieving base, a damping plate is arranged between the inner walls of the damping base, and a plurality of damping pieces are arranged between the damping plate and the upper inner wall and the lower inner wall of the damping base.
The anti-drag piece comprises a first connecting seat and a vertical seat which are fixedly connected on the inner bottom wall of the buffering base, wherein one side of the first connecting seat is provided with a first connecting rod in a rotating mode, a convex hole is formed in the vertical seat, a convex block is movably connected between the inner walls of the top end of the convex hole, and a second spring is fixedly connected between the convex block and the inner wall of one side of the convex hole;
The bottom of buffer board still fixedly connected with links up seat two, it is connected with link up the pole two to link up to rotate between the inner wall of seat two, the well side inner wall of link up the pole two is connected with the one end rotation of link up the pole one, it is connected with the connecting rod to rotate between the bottom side inner wall of link up the pole two, the connecting rod runs through to the bottom both sides of protruding piece.
3. The beneficial effects are that:
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
the utility model has reasonable design, and people throw the sand and stone materials to be crushed into the crushing box, and then the sand and stone materials are synchronously rotated by the driving end at one side of the crushing roller linked by the driving belt under the driving of the motor, so that the two crushing rollers are driven to continuously crush the sand and stone materials;
according to the utility model, after the sand and stone materials are crushed, the crushed materials fall above the buffer member from the blanking opening of the crushing box, impact force of the falling crushed materials is buffered, the sand and stone materials fall above the first sieving net from the upper side of one side of the sieving base under the inclined plane of the buffer member, and finally vibration with certain frequency and amplitude is generated under the linear vibration of the vibrator, and the crushed materials carried above the first sieving net are caused to generate the same vibration frequency and amplitude under the connection of the first spring, so that the crushed materials are classified and separated under the condition that the mesh diameters of the first sieving net and the second sieving net are different and the condition that the vibration and the inclined plane are arranged, the classification of subsequent personnel is facilitated, or the crushed materials with larger diameters are crushed again, and the working efficiency of the personnel is greatly improved.
It should be noted that, the structure not described in the present utility model does not relate to the design gist and the improvement direction of the present utility model, which are the same as the prior art or can be implemented by using the prior art, and the description is omitted herein.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a screening assembly according to the present utility model;
FIG. 3 is a schematic view of a buffer member according to the present utility model;
FIG. 4 is a schematic representation of the construction of the drag reducing member of the present utility model.
The reference numerals in the figures illustrate:
1. The crushing box, the external frame, the crushing roller, the motor, the bracket and the connecting bracket are arranged in sequence;
6. The screening assembly comprises a screening base, a first screening net, a second screening net, a 64 screening plate and a second screening net;
65. the buffer piece 651, the buffer base 652 and the buffer plate;
653. The friction reducing piece 6531, a first connecting seat 6532, a first connecting rod 6533, a vertical seat 6534, a convex hole 6535, a convex block 6536, a second spring 6537, a second connecting seat 6538, a second connecting rod 6539 and a connecting rod;
7. spring I, vibrator.
Detailed Description
In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 devices 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.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "secured," "provided," and "disposed" are to be construed broadly, as they are, for example, fixed, removable, or integral, as they are, for example, mechanically, electrically, directly, indirectly, or through intermediaries, as well as in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
Referring to fig. 1-4, a sand and stone crusher with grading function comprises a crushing box 1, wherein an external frame 2 is fixedly connected to the side end of the crushing box 1, two intermeshing crushing rollers 3 are arranged between the inner walls of the crushing box 1, a plurality of uniformly distributed connection brackets 5 are fixedly connected to the side end of the external frame 2, and a screening assembly 6 is arranged on the lower side of a feed opening of the crushing box 1;
The screening assembly 6 comprises a screening base 61 arranged on the lower side of the crushing box 1, a first spring 7 is respectively arranged between the lateral end of the screening base 61 and each connecting bracket 5, a vibrator 8 is arranged at the lower end of the screening base 61, and a buffer piece 65, a first screening net 62, a second screening net 63 and a screening plate 64 are sequentially arranged between the inner walls of the screening base 61 from top to bottom.
More specifically, the driving end of one crushing roller 3 penetrates to the outer side of the crushing box 1, one end of the external frame 2 is provided with a motor 4, and a driving belt is sleeved between the output end of the motor 4 and the driving end of the outer side of the crushing roller 3.
More specifically, the buffer member 65 is located above the first screen 62, the inclined plane at the top of the buffer member 65 is opposite to the inclined plane of the first screen 62, and gaps are formed among the buffer member 65, the first screen 62, the second screen 63 and the screen plate 64.
In the use process of the scheme, in order to avoid the complicated steps that the existing sand and stone materials are finely screened by manually using screening equipment after being crushed, in the embodiment, personnel throw the sand and stone materials to be crushed into the crushing box 1 and then synchronously rotate along with the driving of the motor 4 by the driving end at one side of the driving belt linked with the crushing roller 3, so that the two crushing rollers 3 are driven to continuously crush the sand and stone materials;
Along with the crushing of the sand and stone materials, the crushed materials fall above the buffer part 65 from the blanking opening of the crushing box 1, the impact force of the falling of the crushed materials is buffered, the sand and stone materials fall above the first sieving net 62 from the upper side of one side of the sieving base 61 under the inclined plane of the buffer part 65, and finally vibration with certain frequency and amplitude is generated under the linear vibration of the vibrator 8, and the crushed materials carried above the first sieving net 62 are caused to generate the same vibration frequency and amplitude under the connection of the first spring 7, so that the crushed materials are classified and separated under the condition that the mesh diameters of the first sieving net 62 and the second sieving net 63 are different and the vibration and the inclined plane are set, the classification of subsequent personnel is facilitated or the crushed materials with larger diameters are crushed again, and the working efficiency of the personnel is greatly improved;
finally, the crushed materials after classification can be provided with a receiving barrel at one side of the material conveying end of the first screening net 62, the second screening net 63 and the screening plate 64 for collecting the crushed materials of each stage,
Referring to fig. 1-3, the buffer member 65 includes a buffer base 651 fixedly connected between inner walls of a top side of the sieving base 61, a buffer plate 652 is disposed between inner walls of the buffer base 651, and a plurality of drag reducing members 653 are disposed between the buffer plate 652 and upper and lower inner walls of the buffer base 651.
In the use process, the crushed materials of the scheme firstly fall from the blanking opening of the crushing box 1 to the position where the buffering piece 65 is avoided to be buffered, then the crushed materials are caused to continuously slide downwards under the vibration of the inclined surface and the vibrator 8 so as to fall to the side of the highest surface of the first screening net 62, then the crushed materials of small particles and fine sand level can pass through the first screening net 62 under the continuous vibration of the vibrator 8 so as to fall to the surface of the second screening net 63, the crushed materials of the small particles are retained again under the reduction of the mesh diameter of the second screening net 63 so as to finally fall to the surface of the screening plate 64 for conveying, three levels of screening work of the crushed materials is finally realized, the use of the crushed materials by personnel is greatly facilitated, and the labor burden of the personnel is relieved.
Referring to fig. 1-4, the drag reducing member 653 includes a first connecting seat 6531 and a second connecting seat 6533 fixedly connected to the inner bottom wall of the buffer base 651, the second connecting seat 6533 is located at one side of the first connecting seat 6531, a first connecting rod 6532 is rotatably connected between inner walls of the first connecting seat 6531, a convex hole 6534 is formed in the second connecting seat 6533, a convex block 6535 is movably connected between inner walls of top ends of the convex hole 6534, and a second spring 6536 is fixedly connected between the convex block 6535 and an inner wall of one side of the convex hole 6534;
The bottom of the buffer plate 652 is fixedly connected with a second connecting seat 6537, a second connecting rod 6538 is rotatably connected between the inner walls of the second connecting seat 6537, the middle inner wall of the second connecting rod 6538 is rotatably connected with one end of the first connecting rod 6532, a connecting rod 6539 is rotatably connected between the bottom inner walls of the second connecting rod 6538, and the connecting rod 6539 penetrates through two sides of the bottom end of the convex block 6535.
In the use process, when broken sand falls to the surface of the buffer member 65 from the discharging opening of the breaking box 1, the buffer plate 652 is used for bearing the sand, the buffer plate 652 is forced to move downwards by impact force during discharging and props against the second connecting rod 6538 at one side below to rotate, and one end of the connecting rod 6539 penetrates into the convex block 6535, when the second connecting rod 6538 rotates, the convex block 6535 can be pushed to displace towards one side of the second spring 6536 and props against the second connecting rod, so that impact force from falling of the broken material is buffered, deformation phenomenon caused by the fact that the broken material falls on the surface of the first screen 62 is avoided, and the first connecting rod 6532 can perform reinforcing and supporting functions on the whole at the other side;
Finally, after the impact force is over, the spring II 6536 rebounds under the action of the elastic potential energy, so that repeated crushing material buffering work can be performed.
The above examples illustrate only certain embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model, it being understood that variations and modifications can be made by those skilled in the art without departing from the spirit of the utility model, which is within the scope of the utility model, and the appended claims shall therefore be construed as defining the scope of the utility model.