Anti-blocking raw coal classifying screen

Abstract

The utility model discloses an anti-blocking raw coal classifying screen, and relates to the technical field of raw coal screening, the anti-blocking raw coal classifying screen comprises a main body mechanism, the main body mechanism comprises a first triangular fixing frame and a second triangular fixing frame, and elastic supporting assemblies are arranged above the first triangular fixing frame and the second triangular fixing frame; and the cleaning mechanism comprises an L-shaped plate fixedly arranged on one side wall of the first triangular fixing frame, and a rotating assembly is arranged on one side of the L-shaped plate. According to the anti-blocking raw coal classifying screen, a worker can drive a second servo motor through a second controller, the second servo motor further drives a circular shaft and a first gear to rotate, and under the action of rotation of the second gear, a chain is conveniently driven to rotate; and the flexible plate and the cleaning brush head are further driven to rotate to clean the surfaces of the first sieve plate and the second sieve plate, and the caking raw coal is prevented from affecting the aperture of the sieve holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to raw coal screening technical field especially relates to a prevent blocking raw coal grading screen. BACKGROUND

[0002] With the continuous advancement of industrialization, coal as one of important energy is widely used in various production processes, especially in the field of coal grading screening. The screening of raw coal is a key step in coal processing, which can effectively separate raw coal from larger particles, ensure the uniformity of raw coal particles and improve the utilization efficiency of coal.

[0003] Most of the screening devices on the market have relatively single functionality, which is very inconvenient to use. It is difficult for workers to clean the screening structure. The traditional screening device can only screen out larger particles in raw coal to ensure the uniformity of raw coal particles. Since raw coal also contains moisture, if the moisture is too large, a large number of raw coal particles will adhere to the surface of the screen plate and screen hole during the screening process. Over time, the adhered raw coal clumps will make the screen hole diameter smaller, further affecting the classification screening of coal. SUMMARY

[0004] The purpose of the utility model is to provide a prevent blocking raw coal grading screen to solve the problems raised in the background.

[0005] To solve the above problems, the technical scheme adopted by the utility model is as follows:

[0006] A prevent blocking raw coal grading screen, comprising

[0007] The main body mechanism comprises a first triangular fixed frame and a second triangular fixed frame, and an elastic support assembly is arranged above the first triangular fixed frame and the second triangular fixed frame. An installation plate is arranged on one side of the elastic support assembly. A first screen plate and a second screen plate are fixedly connected between the two installation plates. A support assembly is arranged on one side of the first triangular fixed frame. A driving assembly is arranged above the support assembly. An eccentric assembly is arranged on one side of the driving assembly.

[0008] The cleaning mechanism comprises an L-shaped plate fixedly arranged on one side wall of the first triangular fixed frame. A rotating assembly is arranged on one side of the L-shaped plate. A slot is formed in the one side wall of the first triangular fixed frame. A first gear and a second gear are arranged on one side of the slot. A chain is engaged with the outer surfaces of the first gear and the second gear. An adapter assembly is arranged on one side of the second gear. A cleaning assembly is arranged on one side of the chain.

[0009] Preferably, the second screen plate is arranged below the first screen plate, and the inner diameter of the screen hole of the first screen plate is larger than that of the second screen plate.

[0010] Preferably, the elastic support assembly comprises a fixed shaft, a spring and a fixed plate, the fixed shaft is fixedly connected to the upper wall of the two end portions of the first triangular fixed frame and the second triangular fixed frame, the lower end of the spring is sleeved outside the fixed shaft and is fixedly connected with the top wall of the first triangular fixed frame and the second triangular fixed frame respectively, and the fixed plate is fixedly arranged on the upper end of the spring.

[0011] Preferably, the support assembly comprises a height increasing rod, a base and a rib plate, one end of the height increasing rod is fixedly connected with one side wall of the first triangular fixed frame, the base is fixedly arranged at the top end of the height increasing rod, the upper wall of the rib plate is fixedly connected with the lower wall of the base, and one side wall of the rib plate is fixedly connected with one side wall of the height increasing rod.

[0012] Preferably, the driving assembly comprises a first servo motor and a first controller, the first servo motor is fixedly arranged on the upper wall of the base, and one side wall of the first controller is fixedly connected with one side wall of the height increasing rod.

[0013] Preferably, the eccentric assembly comprises a connecting shaft, an eccentric wheel and a protective shell, the connecting shaft is arranged through one side wall inside the two mounting plates and extends to one side outside the mounting plates, the eccentric wheel is arranged on one side of the two mounting plates, the eccentric wheel is fixedly arranged on the outer wall of the connecting shaft, one side wall of the protective shell is fixedly connected with one side wall of the mounting plate, and the output end of the first servo motor is connected with one end of the connecting shaft through a shaft coupling.

[0014] Preferably, the installation height of the first gear is greater than that of the second gear.

[0015] Preferably, the rotating assembly comprises a second servo motor and a second controller, one end of the second servo motor is fixedly connected with one side wall of the L-shaped plate, one side wall of the second controller is fixedly connected with the other side wall of the L-shaped plate, the output end of the second servo motor is connected with a circular shaft through a shaft coupling, and the first gear is fixedly arranged on the outer wall of the circular shaft.

[0016] Preferably, the adapting assembly comprises a U-shaped frame and a rotating shaft, the U-shaped frame is fixedly arranged on one side wall of the mounting plate, one end of the rotating shaft is rotatably connected with one side wall inside the U-shaped frame, and the second gear is fixedly arranged on the outer wall of the rotating shaft.

[0017] Preferably, the cleaning assembly comprises a flexible plate and a cleaning brush head, one end of the flexible plate is fixedly connected with one side wall of the chain, and the cleaning brush head is fixedly arranged on the outer wall of the flexible plate.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The staff can drive the second servo motor through the second controller, and the second servo motor drives the circular shaft and the first gear to rotate, under the action of the rotation of the second gear, the chain is conveniently driven to rotate, and the flexible plate and the cleaning brush head are further driven to rotate to clean the surfaces of the first screen plate and the second screen plate, so that the influence of the caked raw coal on the aperture of the screen hole is prevented.

[0020] When the staff drives the first servo motor through the first controller, the first servo motor drives the connecting shaft to rotate, and further drives the eccentric wheel to rotate, under the action of the spring, the first screen plate and the second screen plate are in a vibrating state, and then the coal material is conveniently classified and screened, and the structure design is humanized. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an external overall structure schematic view of the raw coal grading screen;

[0022] Figure 2 It is a first view angle structure schematic view of the raw coal grading screen;

[0023] Figure 3 It is a second view angle structure schematic view of the raw coal grading screen;

[0024] Figure 4 It is an installation plate structure schematic view of the raw coal grading screen;

[0025] Figure 5 It is a cleaning mechanism part structure schematic view of the raw coal grading screen; Figure 1 It is a local enlarged view of A in the middle;

[0026] Figure 6 It is a cleaning mechanism part structure schematic view of the raw coal grading screen;

[0027] In the drawing: 100, main body mechanism; 101, first triangular fixed frame; 102, second triangular fixed frame; 103, installation plate; 104, first screen plate; 105, second screen plate; 106, fixed shaft; 107, spring; 108, fixed plate; 109, height pole; 110, base; 111, rib plate; 112, first servo motor; 113, first controller; 114, connecting shaft; 115, eccentric wheel; 116, protective shell; 200, cleaning mechanism; 201, L-shaped plate; 202, notch; 203, first gear; 204, second gear; 205, chain; 206, second servo motor; 207, second controller; 208, circular shaft; 209, U-shaped frame; 210, rotating shaft; 211, flexible plate; 212, cleaning brush head. DETAILED DESCRIPTION

[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0029] Embodiment one:

[0030] Please refer to Figures 1-6 The utility model discloses a kind of anti-blocking raw coal grading screen, including

[0031] Main body mechanism 100, including first triangular fixed frame 101 and second triangular fixed frame 102, first triangular fixed frame 101 and second triangular fixed frame 102 top are equipped with elastic support assembly, one side of elastic support assembly is equipped with mounting plate 103, first sieve plate 104 and second sieve plate 105 are fixedly connected between two mounting plates 103, first triangular fixed frame 101 side is equipped with support assembly, support assembly top is equipped with driving assembly, one side of driving assembly is equipped with eccentric assembly;

[0032] Cleaning mechanism 200, including L-shaped plate 201 fixedly arranged in the side wall of first triangular fixed frame 101, one side of L-shaped plate 201 is equipped with rotating assembly, the side wall of first triangular fixed frame 101 is equipped with notch 202, one side of notch 202 is equipped with first gear 203 and second gear 204, first gear 203 and second gear 204 outside are engaged with chain 205, one side of second gear 204 is equipped with adaptive assembly, one side of chain 205 is equipped with cleaning assembly.

[0033] From Figures 1-5 It can be known that second sieve plate 105 is arranged below first sieve plate 104, and the inner diameter of the sieve hole of first sieve plate 104 is greater than the inner diameter of the sieve hole of second sieve plate 105.

[0034] Elastic support assembly includes fixed shaft 106, spring 107 and fixed plate 108, the upper wall of both ends of first triangular fixed frame 101 and second triangular fixed frame 102 is fixedly connected with fixed shaft 106, the lower end of a plurality of springs 107 is sleeved outside fixed shaft 106 and is fixedly connected with the top wall of first triangular fixed frame 101 and second triangular fixed frame 102 respectively, fixed plate 108 is fixedly arranged on the upper end of spring 107, and the side wall of fixed plate 108 is fixedly connected with the side wall of mounting plate 103.

[0035] The support assembly comprises a heightening rod 109, a base 110 and a rib plate 111, one end of the heightening rod 109 is fixedly connected with one side wall of the first triangular fixed frame 101, the base 110 is fixedly arranged at the top end of the heightening rod 109, the upper wall of the rib plate 111 is fixedly connected with the lower wall of the base 110, and one side wall of the rib plate 111 is fixedly connected with one side wall of the heightening rod 109.

[0036] The driving assembly comprises a first servo motor 112 and a first controller 113, the first servo motor 112 is fixedly arranged on the upper wall of the base 110, and one side wall of the first controller 113 is fixedly connected with one side wall of the heightening rod 109.

[0037] The eccentric assembly comprises a connecting shaft 114, an eccentric wheel 115 and a protective shell 116, both ends of the connecting shaft 114 extend to one side of the outside of the mounting plate 103 through one side wall inside the two mounting plates 103, the two mounting plates 103 are each provided with the eccentric wheel 115, the two eccentric wheels 115 are fixedly installed on the outer wall of the connecting shaft 114, one side wall of the protective shell 116 is fixedly connected with one side wall of the mounting plate 103, and the output end of the first servo motor 112 is connected with one end of the connecting shaft 114 through a shaft coupling.

[0038] As can be seen from the above, the first controller 113 is electrically connected with the first servo motor 112, in use, the worker pours the coal material on the first sieve plate 104, the first sieve plate 104 and the second sieve plate 105 are both arranged in an inclined manner, and the inner diameter of the sieve hole of the first sieve plate 104 is larger than that of the second sieve plate 105, so that the coal material is conveniently screened under the action of gravity;

[0039] When the worker drives the first servo motor 112 by using the first controller 113, the first servo motor 112 drives the connecting shaft 114 to rotate, further drives the eccentric wheel 115 to rotate, and the first sieve plate 104 and the second sieve plate 105 are in a vibrating state under the action of the spring 107, so that the coal material is conveniently classified and screened, and the structure design is humanized.

[0040] Embodiment two:

[0041] The main body mechanism 100 comprises a first triangular fixed frame 101 and a second triangular fixed frame 102, the upper portions of the first triangular fixed frame 101 and the second triangular fixed frame 102 are provided with elastic support assemblies, one side of each elastic support assembly is provided with a mounting plate 103, the first sieve plate 104 and the second sieve plate 105 are fixedly connected between the two mounting plates 103, one side of the first triangular fixed frame 101 is provided with a support assembly, the upper portion of the support assembly is provided with a driving assembly, and one side of the driving assembly is provided with an eccentric assembly.

[0042] The cleaning mechanism 200 comprises an L-shaped plate 201 fixedly arranged on one side wall of the first triangular fixing frame 101, one side of the L-shaped plate 201 is provided with a rotating assembly, one side wall of the first triangular fixing frame 101 is provided with a notch 202, one side of the notch 202 is provided with a first gear 203 and a second gear 204, the first gear 203 and the second gear 204 are externally meshed with a chain 205, one side of the chain 205 is provided with a cleaning assembly.

[0043] Referring to Figure 1 、 Figure 3 、 Figure 4 and Figure 6 , the installation height of the first gear 203 is greater than that of the second gear 204.

[0044] The rotating assembly comprises a second servo motor 206 and a second controller 207, one end of the second servo motor 206 is fixedly connected with one side wall of the L-shaped plate 201, one side wall of the second controller 207 is fixedly connected with the other side wall of the L-shaped plate 201, the output end of the second servo motor 206 is connected with a circular shaft 208 through a shaft coupling, and the first gear 203 is fixedly installed on the outer wall of the circular shaft 208.

[0045] The adapting assembly comprises a U-shaped frame 209 and a rotating shaft 210, the U-shaped frame 209 is fixedly arranged on one side wall of the mounting plate 103, one end of the rotating shaft 210 is rotatably connected with one side wall inside the U-shaped frame 209, and the second gear 204 is fixedly installed on the outer wall of the rotating shaft 210.

[0046] The cleaning assembly comprises a flexible plate 211 and a cleaning brush head 212, one end of the flexible plate 211 is fixedly connected with one side wall of the chain 205, and one end of each of a plurality of cleaning brush heads 212 is fixedly arranged on the outer wall of the flexible plate 211.

[0047] As can be seen from the above, the second controller 207 is electrically connected with the second servo motor 206, specifically, when the damp coal is left on the sieve holes of the first sieve plate 104 and the second sieve plate 105 during the screening process, and further forms into particles, in order to prevent the influence on the aperture of the sieve holes, at this time, the staff can drive the second servo motor 206 through the second controller 207, and further drive the circular shaft 208 and the first gear 203 to rotate, under the action of the rotation of the second gear 204, the chain 205 is conveniently rotated, and further drives the flexible plate 211 and the cleaning brush head 212 to rotate to clean the surface of the first sieve plate 104 and the second sieve plate 105;

[0048] Specifically, during the rotation of the chain 205, when the end of the cleaning brush head 212 is upward, the end of the cleaning brush head 212 is in abutment with the lower wall of the first sieve plate 104 at this time, so that the surface of the first sieve plate 104 is conveniently cleaned, when the end of the cleaning brush head 212 is downward, the end of the cleaning brush head 212 is in abutment with the upper wall of the second sieve plate 105 at this time, so that the surface of the second sieve plate 105 is conveniently cleaned.

[0049] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein. The contents not described in detail in the description all belong to the prior art known to the person skilled in the art.

[0050] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. The meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0051] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, and those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0052] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0053] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0054] The present application discloses the embodiments in the drawings, only relate to the structure involved in the embodiments of the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other.

[0055] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A clogging prevention raw coal sizing screen, characterized by: The utility model relates to a kind of main body mechanism (100), including first triangular fixed frame (101) and second triangular fixed frame (102), and the first triangular fixed frame (101) and second triangular fixed frame (102) are equipped with elastic support component above, one side of the elastic support component is equipped with mounting plate (103), first sieve plate (104) and second sieve plate (105) are fixedly connected between two the mounting plate (103), the first triangular fixed frame (101) is equipped with support component one side, driving component is equipped above the support component, eccentric component is equipped one side of the driving component. The utility model relates to a kind of cleaning mechanism (200), including fixedly set in first triangular fixed frame (101) one side wall L type plate (201), one side of the L type plate (201) is equipped with rotating component, the first triangular fixed frame (101) one side wall is equipped with notch (202), the notch (202) one side is equipped with first gear (203) and second gear (204), the first gear (203) and second gear (204) outside are engaged with chain (205), the second gear (204) one side is equipped with adaptive component, one side of the chain (205) is equipped with cleaning component. The second sieve plate (105) is arranged below the first sieve plate (104), and the inner diameter of the sieve hole of the first sieve plate (104) is greater than the inner diameter of the sieve hole of the second sieve plate (105).

2. The anti-blocking raw coal grading screen according to claim 1, characterized in that: The elastic support component includes a fixed shaft (106), a spring (107) and a fixed plate (108), the first triangular fixed frame (101) and the second triangular fixed frame (102) are fixedly connected with the fixed shaft (106) on the upper wall of both ends, the lower end of the spring (107) is sleeved outside the fixed shaft (106) and is fixedly connected with the top wall of the first triangular fixed frame (101) and the second triangular fixed frame (102) respectively, and the fixed plate (108) is fixedly arranged on the upper end of the spring (107).

3. The anti-blocking raw coal grading screen according to claim 1, characterized in that: The support component includes a height pole (109), a base (110) and a rib plate (111), one end of the height pole (109) is fixedly connected with the side wall of the first triangular fixed frame (101), the base (110) is fixedly arranged on the top end of the height pole (109), the upper wall of the rib plate (111) is fixedly connected with the lower wall of the base (110), and the side wall of the rib plate (111) is fixedly connected with the side wall of the height pole (109).

4. The anti-blocking raw coal grading screen according to claim 1, characterized in that: The driving component includes a first servo motor (112) and a first controller (113), the first servo motor (112) is fixedly arranged on the upper wall of the base (110), and the side wall of the first controller (113) is fixedly connected with the side wall of the height pole (109).

5. The anti-blocking raw coal grading screen according to claim 4, characterized in that: ​ 6. The anti-blocking raw coal grading screen according to claim 5, characterized in that: The eccentric assembly includes a connecting shaft (114), an eccentric wheel (115) and a protective cover (116), one end of the connecting shaft (114) penetrates through a side wall inside two mounting plates (103) and extends to a side wall outside the mounting plates (103), the two mounting plates (103) are provided with the eccentric wheels (115) on one side, the two eccentric wheels (115) are fixedly installed on the outer wall of the connecting shaft (114), one side wall of the protective cover (116) is fixedly connected with one side wall of the mounting plate (103), and the output end of the first servo motor (112) is connected with one end of the connecting shaft (114) through a shaft coupling.

7. The anti-blocking raw coal grading screen according to claim 1, characterized in that: The mounting height of the first gear (203) is greater than that of the second gear (204).

8. The anti-blocking raw coal grading screen according to claim 1, characterized in that: The rotating assembly includes a second servo motor (206) and a second controller (207), one end of the second servo motor (206) is fixedly connected with one side wall of the L-shaped plate (201), one side wall of the second controller (207) is fixedly connected with the other side wall of the L-shaped plate (201), the output end of the second servo motor (206) is connected with a circular shaft (208) through a shaft coupling, and the first gear (203) is fixedly installed on the outer wall of the circular shaft (208).

9. The anti-blocking raw coal grading screen according to claim 1, characterized in that: The adapting assembly includes a U-shaped frame (209) and a rotating shaft (210), the U-shaped frame (209) is fixedly arranged on one side wall of the mounting plate (103), one end of the rotating shaft (210) is rotatably connected with one side wall inside the U-shaped frame (209), and the second gear (204) is fixedly installed on the outer wall of the rotating shaft (210).

10. The anti-blocking raw coal grading screen according to claim 1, characterized in that: The cleaning assembly includes a flexible plate (211) and cleaning brush heads (212), one end of the flexible plate (211) is fixedly connected with one side wall of the chain (205), and a plurality of cleaning brush heads (212) are fixedly arranged on the outer wall of the flexible plate (211).

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