Coal crushing mechanism

Abstract

The utility model relates to the field of coal crushing and discloses a coal crushing mechanism which comprises a base, a supporting frame is fixedly connected to the top end of the base, a crushing box is fixedly connected to the inner top end of the supporting frame, a rotating shaft is rotatably connected to the inner wall of the crushing box, and a plurality of cutters are fixedly connected to the outer wall of the rotating shaft. A motor is fixedly installed on the outer wall of the supporting frame, the output end of the motor is fixedly connected with a rotating shaft, a transmission mechanism is arranged on the outer wall of the rotating shaft, the rotating shaft synchronously drives a reciprocating lead screw through the transmission mechanism, the reciprocating lead screw is rotationally connected with the inner wall of the supporting frame, and the reciprocating lead screw penetrates through a sliding plate and is in threaded connection with the sliding plate. The sliding plate is slidably connected with the inner wall of the supporting frame, the bottom end of the sliding plate is fixedly connected with a brush, the brush is attached to a supporting plate, the supporting plate is fixedly connected with the inner wall of the supporting frame, and a plurality of filtering holes are formed in the end of the supporting plate.

Description

Technical Field

[0001] The utility model relates to the field of coal crushing, and more specifically to a coal crushing mechanism. Background Art

[0002] When coal is first mined, it is large in size and uneven in shape, which causes many inconveniences during transportation and use. Therefore, it generally needs to be crushed before transportation and use.

[0003] When coal is crushed, in addition to the crushed coal, a large amount of carbon powder will also be accompanied. The existing coal crushing mechanism lacks a direct collection mechanism for the carbon powder, which reduces the waste of raw materials. At the same time, the mechanism for screening the size of coal is relatively cumbersome and inconvenient. Based on this, the utility model designs a coal crushing mechanism to solve the above problems. Utility Model Content

[0004] In order to overcome the above defects of the prior art, the utility model provides a coal crushing mechanism to solve the problems existing in the above background technology.

[0005] The utility model provides the following technical solution: a coal crushing mechanism comprises a base, the top end of the base is fixedly connected to a support frame, the top end of the support frame is fixedly connected to a crushing box, the inner wall of the crushing box is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a plurality of cutting tools, the outer wall of the support frame is fixedly installed with a motor, the output end of the motor is fixedly connected to the rotating shaft, the outer wall of the rotating shaft is provided with a transmission mechanism, and the rotating shaft synchronously drives a reciprocating screw rod through the transmission mechanism, the reciprocating screw rod is rotatably connected to the inner wall of the support frame, the reciprocating screw rod penetrates a slide plate and is threadedly connected thereto, the slide plate is slidably connected to the inner wall of the support frame, the bottom end of the slide plate is fixedly connected to a brush, the brush is attached to a support plate, the support plate is fixedly connected to the inner wall of the support frame, a plurality of filtering holes are opened at the end of the support plate, both sides of the bottom end of the support plate are fixedly connected to a discharging frame, and a plurality of sieve holes are opened at the end of the discharging frame.

[0006] Furthermore, the top of the crushing box is connected to a feed pipe, and the feed pipe passes through the top of the support frame, and the bottom of the crushing box is provided with a discharge port.

[0007] Furthermore, a collecting box is connected to the filter hole corresponding to the bottom end of the support plate, and a movable door is provided on the outer wall of the collecting box.

[0008] Furthermore, through slots are provided at both ends of the support plate corresponding to the discharging racks, and a main collecting box and an auxiliary collecting box are provided at both sides of the top of the base corresponding to the discharging racks.

[0009] Furthermore, the transmission mechanism includes a transmission wheel fixedly connected to the rotating shaft and the outer wall of the reciprocating screw rod, and a belt is sleeved between the transmission wheels.

[0010] Furthermore, sliding grooves are provided on both sides of the inner wall of the support frame corresponding to the sliding plates, and the ends of the sliding plates are located in the sliding grooves and are slidably connected thereto.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model drives the rotating shaft and the cutter to rotate through a motor, and crushes the coal. The crushed coal falls from the discharge port to the support plate on the lower side, and the finer carbon powder falls from the filter hole into the collection box for unified collection. During the rotation of the rotating shaft, the reciprocating screw is driven by the belt to rotate, and then the slide plate drives the brush to move back and forth along the slide groove, and sweeps the coal accumulated on the support plate to the through grooves on both sides, and cleans the filter hole to prevent carbon powder from clogging the filter hole and affecting the collection of carbon powder.

[0013] 2. The utility model enables the coal pushed by the brush to fall into the discharging rack through the through slot, and the smaller coal falls into the auxiliary collecting box below through the sieve hole for collection, and the larger coal falls into the main collecting box at the end along the discharging rack for collection, thereby realizing the classified collection of carbon powder and coal, effectively improving the subdivision of coal after crushing, saving time and effort and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall front view of the utility model.

[0015] Figure 2 It is a cross-sectional view of the utility model.

[0016] Figure 3 It is a structural schematic diagram of the transmission mechanism of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the slideway of the utility model.

[0018] The accompanying drawings are marked as follows: 1. base; 2. movable door; 3. collection box; 4. feed pipe; 5. support frame; 6. motor; 7. sieve hole; 8. main collection box; 9. auxiliary collection box; 10. discharge rack; 11. brush; 12. slide plate; 13. filter hole; 14. support plate; 15. reciprocating screw rod; 16. crushing box; 17. rotating shaft; 18. transmission mechanism; 181. transmission wheel; 182. belt; 19. tool; 20. discharge port; 21. through groove; 22. slide groove. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The coal crushing mechanism involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] Reference Figure 1-4The utility model provides a coal crushing mechanism, including a base 1, a support frame 5 is fixedly connected to the top of the base 1, a crushing box 16 is fixedly connected to the top of the support frame 5, a feed pipe 4 is connected to the top of the crushing box 16, and the feed pipe 4 passes through the top of the support frame 5, a discharge port 20 is opened at the bottom of the crushing box 16, a rotating shaft 17 is rotatably connected to the inner wall of the crushing box 16, a plurality of knives 19 are fixedly connected to the outer wall of the rotating shaft 17, a support plate 14 is fixedly connected to the inner wall of the support frame 5, a plurality of filter holes 13 are opened at the end of the support plate 14, a collection box 3 is connected to the bottom of the support plate 14 corresponding to the filter holes 13, and a movable door 2 is opened on the outer wall of the collection box 3 to pass the coal through the feed pipe 4 is poured into the crushing box 16, and the motor 6 is connected to drive the rotating shaft 17 and the cutter 19 to rotate, and the coal is crushed. The crushed coal falls from the discharge port 20 to the support plate 14 on the lower side, and the finer carbon powder falls from the filter hole 13 to the collection box 3 for unified collection. The outer wall of the support frame 5 is fixedly installed with a motor 6, and the output end of the motor 6 is fixedly connected to the rotating shaft 17. The outer wall of the rotating shaft 17 is provided with a transmission mechanism 18, and the rotating shaft 17 is synchronously driven by the transmission mechanism 18. The transmission mechanism 18 includes a transmission wheel 181 fixedly connected to the rotating shaft 17 and the outer wall of the reciprocating screw rod 15, and a belt 182 is sleeved between the transmission wheel 181. The reciprocating screw rod 15 rotates and is connected The reciprocating screw rod 15 is connected to the inner wall of the support frame 5, and the slide plate 12 is penetrated by the reciprocating screw rod 15 and is threadedly connected therewith. The slide plate 12 is slidably connected to the inner wall of the support frame 5. Slide grooves 22 are provided on both sides of the inner wall of the support frame 5 corresponding to the slide plates 12. The ends of the slide plates 12 are located in the slide grooves 22 and are slidably connected therewith. The bottom end of the slide plate 12 is fixedly connected to the brush 11, and the brush 11 is attached to the support plate 14. During the rotation of the rotating shaft 17, the reciprocating screw rod 15 is driven to rotate by the belt 182, so that the slide plate 12 drives the brush 11 to move back and forth along the slide groove 22, and sweeps the coal accumulated on the support plate 14 to the through grooves 21 on both sides, and cleans the filter holes 13 to prevent carbon powder and the like from clogging the filter holes. 13 affects the collection of carbon powder. Both sides of the bottom of the support plate 14 are fixedly connected with a discharge rack 10. A plurality of sieve holes 7 are provided at the end of the discharge rack 10. Through slots 21 are provided at both ends of the support plate 14 corresponding to the discharge rack 10. Both sides of the top of the base 1 are provided with a main collecting box 8 and an auxiliary collecting box 9 corresponding to the discharge rack 10. Coal falls into the discharge rack 10 through the through slots 21. Smaller coal falls into the auxiliary collecting box 9 below through the sieve holes 7 for collection. Larger coal falls into the main collecting box 8 at the end along the discharge rack 10 for collection. The classified collection of carbon powder and coal is realized, which effectively improves the subdivision of coal after crushing, saves time and effort, and reduces labor costs.

[0021] The working principle of the utility model is as follows: the coal is poured into the crushing box 16 through the feeding pipe 4, and the motor 6 is connected to drive the rotating shaft 17 and the cutter 19 to rotate and crush the coal. The crushed coal falls from the discharge port 20 to the support plate 14 on the lower side, and the finer carbon powder falls into the collection box 3 through the filter hole 13 for unified collection. During the rotation of the rotating shaft 17, the reciprocating screw rod 15 is driven to rotate by the belt 182, and then the slide plate 12 drives the brush 11 to move back and forth along the slide groove 22, and sweeps the coal accumulated on the support plate 14 to the through grooves 21 on both sides, and cleans the filter holes 13 to prevent carbon powder and the like from clogging the filter holes 13 and affecting the collection of carbon powder. At the same time, the coal falls into the discharge rack 10 through the through groove 21, and the smaller coal falls into the auxiliary collection box 9 below through the sieve hole 7 for collection, and the larger coal falls into the main collection box 8 at the end along the discharge rack 10 for collection, thereby realizing the classified collection of carbon powder and coal, effectively improving the subdivision work of coal after crushing, saving time and effort and reducing labor costs.

[0022] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0023] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0024] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A coal crushing mechanism, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a support frame (5), the inner top of the support frame (5) is fixedly connected to a crushing box (16), the inner wall of the crushing box (16) is rotatably connected to a rotating shaft (17), the outer wall of the rotating shaft (17) is fixedly connected to a plurality of cutters (19), the outer wall of the support frame (5) is fixedly mounted with a motor (6), the output end of the motor (6) is fixedly connected to the rotating shaft (17), the outer wall of the rotating shaft (17) is provided with a transmission mechanism (18), and the rotating shaft (17) synchronously drives a reciprocating screw rod (15) through the transmission mechanism (18), and the reciprocating screw rod (15) is rotatably connected to the inner wall of the crushing box (16). The reciprocating screw rod (15) is movably connected to the inner wall of the support frame (5); the slide plate (12) is penetrated by the reciprocating screw rod (15) and is threadedly connected thereto; the slide plate (12) is slidably connected to the inner wall of the support frame (5); the bottom end of the slide plate (12) is fixedly connected to a brush (11); the brush (11) is attached to a support plate (14); the support plate (14) is fixedly connected to the inner wall of the support frame (5); a plurality of filter holes (13) are provided at the end of the support plate (14); both sides of the bottom end of the support plate (14) are fixedly connected to a discharge frame (10); a plurality of sieve holes (7) are provided at the end of the discharge frame (10).

2. A coal pulverizing mechanism according to claim 1, characterized in that: The top end of the crushing box (16) is connected to a feed pipe (4), and the feed pipe (4) passes through the top end of the support frame (5); and a discharge port (20) is provided at the bottom end of the crushing box (16).

3. A coal pulverizing mechanism according to claim 1, characterized in that: The bottom end of the support plate (14) is connected to a collection box (3) corresponding to the filter hole (13), and a movable door (2) is provided on the outer wall of the collection box (3).

4. A coal pulverizing mechanism according to claim 1, characterized in that: Through slots (21) are provided at both ends of the support plate (14) corresponding to the discharge rack (10), and a main collection box (8) and an auxiliary collection box (9) are provided at both sides of the top end of the base (1) corresponding to the discharge rack (10).

5. A coal pulverizing mechanism according to claim 1, characterized in that: The transmission mechanism (18) comprises a transmission wheel (181) fixedly connected to the rotating shaft (17) and the outer wall of the reciprocating screw rod (15), and a belt (182) is sleeved between the transmission wheels (181).

6. A coal pulverizing mechanism according to claim 1, characterized in that: Slide grooves (22) are provided on both sides of the inner wall of the support frame (5) corresponding to the slide plate (12), and the end of the slide plate (12) is located in the slide groove (22) and is slidably connected thereto.

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