Small rotary crusher
By using a combination of pull-out plate and filter in a small rotary crusher, the problem of unblocked raw materials being blocked by the cutting port is solved, the continuity of the crushing process and the smoothness of the discharge port are achieved, and dust overflow is reduced.
Patent Information
- Application Number
- CN202420908779.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-29
AI Technical Summary
In small rotary crushers, the finished product after crushing is different in size, and unbreaked raw materials may block the discharge port.
A small rotary crusher is designed, using a combination of pull-out plate and filter. The raw materials that are not completely broken are blocked by the filter. The pull-out plate can re-place the raw materials on the filter into the feed silo and crush them again to avoid discharge. The material port is blocked and extended by the design of the feed silo to reduce dust overflow.
It effectively avoids the problem of raw materials blocking the cutting port, ensures the continuity of the crushing process and the smoothness of the discharge port, and reduces dust overflow.
Smart Images
Figure CN222287512U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulverizers, in particular to a small rotary pulverizer. Background Art
[0002] Small rotary crusher is a kind of high-efficiency crushing equipment widely used in various industrial fields. Its working principle mainly relies on the motor driving the blade to rotate at high speed, so as to send the material into the crushing bin to achieve the crushing and crushing of the material.
[0003] The current small-scale crushers still have the following problems: the finished products after crushing are of different sizes, and the uncrushed raw materials may block the feed port;
[0004] Therefore, a small rotary pulverizer is proposed to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a small rotary pulverizer to solve the problem in the above background technology that the finished products after pulverization are of different sizes and the un-crushed raw materials may block the feeding port.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small rotary crusher comprises a crushing box, a bottom plate is connected to the lower left wall of the crushing box, a motor is installed above the bottom plate, a rotating shaft is connected to the power output end of the motor, a first pulley is fixedly connected to the outer wall of the rotating shaft, a second pulley is arranged above the first pulley, a transmission belt is sleeved between the first pulley and the second pulley, three rollers are rotatably connected inside the crushing box, a first gear is fixedly connected to the left end of the middle roller, a second gear is fixedly connected to the left ends of the front and rear rollers, a transmission shaft is arranged between the second pulley and the first gear, cutting blades are fixedly connected to the outer wall surfaces of the three rollers, a pull-out plate is installed in the middle position inside the crushing box, and a filter is installed in the middle position of the pull-out plate.
[0007] Preferably, the first gear is meshed with two second gears respectively, and the first gear is located between the two second gears.
[0008] Preferably, a feeding bin is hingedly connected to the upper wall surface of the crushing box, a hinge is installed between the feeding bin and the crushing box, and the feeding bin and the crushing box are hingedly connected via the hinge.
[0009] Preferably, a discharge port is provided below the front wall of the crushing box, the discharge port is communicated with the interior of the crushing box, and a cover plate is clamped inside the discharge port.
[0010] Preferably, a handle is installed in the middle of the front wall of the pull-out plate, and the outer wall surface of the handle is provided with anti-slip patterns.
[0011] Preferably, the outer wall surface of the crushing box is sprayed with corrosion-resistant paint, and the lower wall surface of the crushing box is connected with a shock-absorbing pad.
[0012] Compared with the prior art, the beneficial effects of the utility model are: through the cooperation between the pull-out plate and the filter screen, the raw materials that are not completely crushed will be blocked by the filter screen, the pull-out plate is easy to pull out, and the raw materials on the filter screen can be put back into the feed bin for re-crushing, the discharge port is not easy to be blocked, and the feed bin is designed to be longer to avoid the dust generated during crushing. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the crushing box of the utility model from a top view;
[0015] Figure 3 It is a schematic diagram of the top view structure of the pull-out plate of the utility model.
[0016] In the figure: 1. crushing box; 2. feeding bin; 3. bottom plate; 4. motor; 5. rotating shaft; 6. first pulley; 7. second pulley; 8. transmission belt; 9. first gear; 10. second gear; 11. roller; 12. pull-out plate; 13. cover plate; 14. hinge; 15. cutting blade; 16. discharge port; 17. filter. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0019] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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.
[0020] Example:
[0021] See also Figure 1-3 The utility model provides a technical solution: a small rotary crusher comprises a crushing box 1, a bottom plate 3 is connected to the lower left wall of the crushing box 1, a motor 4 is installed above the bottom plate 3, a rotating shaft 5 is connected to the power output end of the motor 4, a first pulley 6 is fixedly connected to the outer wall of the rotating shaft 5, a second pulley 7 is arranged above the first pulley 6, a transmission belt 8 is sleeved between the first pulley 6 and the second pulley 7, three rollers 11 are rotatably connected inside the crushing box 1, a first gear 9 is fixedly connected to the left end of the middle roller 11, a second gear 10 is fixedly connected to the left ends of the front and rear rollers 11, a transmission shaft is arranged between the second pulley 7 and the first gear 9, a cutting blade 15 is fixedly connected to the outer wall surface of the three rollers 11, a pull-out plate 12 is installed in the middle position of the crushing box 1, and a filter screen 17 is installed in the middle position of the pull-out plate 12.
[0022] Among them, the first gear 9 is respectively meshed with two second gears 10, and the first gear 9 is located between the two second gears 10. A feeding bin 2 is hinged on the upper wall surface of the crushing box 1, and a hinge 14 is installed between the feeding bin 2 and the crushing box 1. The feeding bin 2 and the crushing box 1 are hinged through the hinge 14. A discharge port 16 is opened at the lower part of the front wall of the crushing box 1, and the discharge port 16 is communicated with the inside of the crushing box 1. A cover plate 13 is clamped inside the discharge port 16. A handle is installed in the middle of the front wall of the pull-out plate 12, and the outer wall surface of the handle is provided with anti-slip patterns. The outer wall surface of the crushing box 1 is sprayed with corrosion-resistant paint, and the lower wall surface of the crushing box 1 is connected with a shock-absorbing pad.
[0023] Working principle: start the motor 4, the power output end of the motor 4 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the first pulley 6 to rotate, the first pulley 6 drives the second pulley 7 to rotate through the transmission belt 8, the second pulley 7 drives the first gear 9 to rotate, the first gear 9 drives the two second gears 10 to rotate, the first gear 9 and the two second gears 10 drive the rollers 11 fixedly connected to each other to rotate, the rotation of the rollers 11 drives the cutting blades 15 on the outer wall to rotate rapidly, and the raw materials are put into the crushing box 1 through the top of the feed bin 2 and crushed by the rotating cutting blades 15. Some of the raw materials that are not completely crushed are blocked by the filter 17, and the rest fall under the filter 17. Pull open the pull-out plate 12 to put the raw materials on the filter 17 back into the feed bin 2 to be crushed by the crushing box 1, pull out the cover plate 13, and complete the discharge through the discharge port 16.
[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A small rotary pulverizer, comprising a pulverizing box (1), characterized in that: A bottom plate (3) is connected to the lower part of the left wall of the crushing box (1), a motor (4) is installed above the bottom plate (3), a rotating shaft (5) is connected to the power output end of the motor (4), a first belt pulley (6) is fixedly connected to the outer wall of the rotating shaft (5), a second belt pulley (7) is arranged above the first belt pulley (6), a transmission belt (8) is sleeved between the first belt pulley (6) and the second belt pulley (7), three rollers (11) are rotatably connected inside the crushing box (1), a first gear (9) is fixedly connected to the left end of the middle roller (11), a second gear (10) is fixedly connected to the left ends of the front and rear rollers (11), a transmission shaft is arranged between the second belt pulley (7) and the first gear (9), cutting blades (15) are fixedly connected to the outer wall surfaces of the three rollers (11), a pull-out plate (12) is installed in the middle position of the crushing box (1), and a filter (17) is installed in the middle position of the pull-out plate (12).
2. A small rotary pulverizer according to claim 1, characterized in that: The first gear (9) is respectively meshed with two second gears (10), and the first gear (9) is located between the two second gears (10).
3. A small rotary pulverizer according to claim 1, characterized in that: A feeding bin (2) is hingedly connected to the upper wall surface of the crushing box (1), a hinge (14) is installed between the feeding bin (2) and the crushing box (1), and the feeding bin (2) and the crushing box (1) are hingedly connected via the hinge (14).
4. A small rotary pulverizer according to claim 1, characterized in that: A discharge port (16) is provided below the front wall of the crushing box (1), the discharge port (16) is communicated with the interior of the crushing box (1), and a cover plate (13) is engaged inside the discharge port (16).
5. A small rotary pulverizer according to claim 1, characterized in that: A handle is installed in the middle of the front wall of the pull-out plate (12), and the outer wall surface of the handle is provided with anti-slip patterns.
6. A small rotary pulverizer according to claim 1, characterized in that: The outer wall surface of the crushing box (1) is sprayed with corrosion-resistant paint, and the lower wall surface of the crushing box (1) is connected with a shock-absorbing pad.