Crushing device for aggregate production

Abstract

The invention relates to the technical field of aggregate processing equipment, in particular to a crushing device for aggregate production, which comprises a hopper, a crushing cone and a rolling mortar wall, a crushing disc extending between the crushing cone and the rolling mortar wall is arranged at a position, close to a hammer head, of the hopper, and the crushing disc covers one end, close to the hopper, of the crushing cone. The crushing disc comprises a center ball and cross rods, crushing rods extending to the position between the crushing cone and the rolling mortar wall are arranged at the ends, away from the center ball, of the cross rods, the cross rods are arranged around the center ball by a circle and extend to the outer portion of the cover body, and the multiple cross rods are evenly arranged in the horizontal direction of the center ball at intervals; a sealing mechanism used for preventing dust from entering the containing bin is arranged on the cover body, the problems that in the prior art, a working face formed between the crushing cone and the rolling mortar wall is small in the rotating and swinging movement process, and the crushing efficiency is low are solved, and the crushing cone is well applied to aggregate processing factories.

Description

Technical Field

[0001] The invention belongs to the technical field of aggregate processing equipment, and in particular relates to a crushing device for aggregate production. Background Art

[0002] Aggregates are an indispensable and important raw material in the construction of infrastructure such as buildings and roads. Traditional aggregate crushing devices mainly rely on jaw crushers and cone crushers to crush large stones. Cone crushers rely on the relative movement between the crushing cone and the mortar wall to crush stones. The crushing cone performs a rotary pendulum motion. The crushing cone is close to the mortar wall to form a fan-shaped working surface with an arc. The stone is squeezed and crushed in the working surface. When the stone just enters the cone crusher, due to the large initial crushing space between the crushing cone and the mortar wall, the stone cannot be fully crushed when entering, and only the stones located in the working surface will be crushed, and the stone crushing efficiency is low.

[0003] Chinese patent application number 2023107496473 discloses a cone crusher, including a frame, a fixed cone, a movable cone, an eccentric sleeve and a transmission shaft. The frame has a vertical cavity and a horizontal cavity. The fixed cone is installed at the top of the frame. The fixed cone has a fixed cavity, and the inner wall of the fixed cavity forms a first conical surface; the outer wall of the movable cone forms a second conical surface, and the second conical surface has a first central axis. The movable cone can be rotatably installed in the fixed cavity around the second central axis, and the first conical surface and the second conical surface surround the crushing cavity; the eccentric sleeve can be rotatably installed in the vertical cavity around the second central axis, the top of the eccentric sleeve is connected to the bottom of the movable cone, and the bottom of the eccentric sleeve is sleeved on the first bevel gear; the transmission shaft is horizontally rotatably installed in the horizontal cavity, and the end of the transmission shaft is fixedly sleeved on the second bevel gear, the second bevel gear is located at the top of the first bevel gear, and the second bevel gear is meshed with the first bevel gear.

[0004] With respect to the above-mentioned related technologies, the inventors found the following defects: the working surface formed between the crushing cone and the mortar wall during the swinging motion is small, which affects the crushing efficiency. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a crushing device for aggregate production, which solves the problem of small working surface formed between the crushing cone and the mortar wall during the swinging motion and low crushing efficiency in the prior art.

[0006] The technical scheme is that the aggregate production crushing device comprises a hopper, a crushing cone and a mortar wall, a crushing disk extending between the crushing cone and the mortar wall is arranged near the hammer head of the hopper, the crushing disk cover is arranged at one end of the crushing cone near the hopper, the crushing disk comprises a center ball and a cross bar, the end of the cross bar away from the center ball is provided with a crushing rod extending between the crushing cone and the mortar wall, the inner wall of the hopper is connected with a placement bin for placing the center ball, the placement bin comprises a base, a ball cage universal joint for connecting the center ball is arranged on the base, a cover body is arranged on the base, the cross bar is arranged around the center ball and extends to the outside of the cover body, there are multiple cross bars and they are evenly spaced along the horizontal direction of the center ball, so as to form a structure in which when the crushing cone rotates in a pendulum motion and forms a working surface with the mortar wall, the crushing rods located at relative positions to the working surface all assist in crushing stones under extrusion, and the cover body is provided with a sealing mechanism for preventing dust from entering the placement bin.

[0007] Preferably, the cover body includes a cover plate and a vertical plate, there are multiple vertical plates and they are symmetrically arranged along the center of the cover body, there is a set interval between two adjacent vertical plates to form a through groove structure for the movement of the cross bar, and the base is provided with sockets used in conjunction with each vertical plate.

[0008] Preferably, the sealing mechanism includes a placement groove located on the opposite side of the base and the cover plate, a placement box is arranged in the placement groove, a winding shaft for storing the sealing tape is rotatably connected in the placement box, a coil spring is arranged at the end of the winding shaft, and the end of the sealing tape away from the placement box is connected to the cross bar, so that the sealing tape moves out of the placement box and blocks the gap between adjacent vertical plates under the action of the movement of the cross bar, and is stored in the placement box under the action of the coil spring and the winding shaft.

[0009] Preferably, long grooves for moving the sealing belt are provided on both sides of the vertical plate, rollers for limiting the movement of the sealing belt are provided in the long grooves, there are multiple rollers and they are evenly spaced along the long grooves, a bracket for fixing the rollers is provided in the long grooves, and a brush is provided on the side of the bracket.

[0010] Preferably, fixing grooves are provided on two opposite sides of the breaker bar, and there are multiple fixing grooves which are evenly spaced along the length direction of the breaker bar. A crushing piece extending to the outside of the breaker bar is provided in each fixing groove, and the thickness of the crushing piece increases successively in the direction away from the cross bar.

[0011] Preferably, a hydraulic output unit is provided in each of the fixed grooves, the output end of the hydraulic output unit is key-connected to the crushing disc, a hydraulic pump is provided in the crushing disc, the hydraulic pump is connected to the hydraulic output unit through a pipeline, and a pipe groove for placing the pipeline is provided in the crushing rod.

[0012] Preferably, a material dividing mechanism is arranged between the hopper and the material conveying mechanism, and the material dividing mechanism includes a frame, on which is arranged a conveyor belt with a cover arranged outside the hopper and having a circular ring structure, and on the frame is arranged a material shifting rod, forming a structure in which stones on the conveyor belt enter the hopper through the material shifting rod.

[0013] Preferably, there are multiple material shifting rods and the number is equal to that of cross bars, each of the material shifting rods is located between two adjacent cross bars, the material shifting rods include a shifting rod and a guide tube, each of the shifting rods is evenly spaced along the circle where the conveyor belt is located, each of the shifting rods has an arc structure, the guide tube is a hollow structure, the length of each of the shifting rods increases successively, forming a structure in which the conveyor belt moves, and each of the shifting rods shifts the stones in sequence along the width direction of the conveyor belt according to a set range.

[0014] The beneficial effect of the present invention is that a placement bin is arranged in the hopper, and a crushing rod extending between the crushing cone and the mortar wall is arranged in the placement bin, and there are multiple crushing rods that are centrally symmetrically arranged about a center ball, and the center ball is fixed in the base through a ball cage universal joint. When the crushing cone performs a rotary swing motion, a part of the side surface of the crushing cone is close to the mortar wall to form a crushing working surface, and the crushing rods located at relative positions to the working surface all move under the action of the crushing cone, thereby increasing the working area of ​​the crushing cone, assisting in crushing stones, and improving the efficiency of the crushing process; The sealing mechanism effectively prevents dust from entering the storage bin. During the crushing process, the sealing belt is unfolded as the crossbar moves, covering the gap between adjacent vertical plates, preventing dust from entering the storage bin from the crushing area, and protecting key components such as the ball cage universal joint from being eroded by dust. The rollers and brackets in the long grooves further enhance the sealing effect. The rollers make the sealing belt move more smoothly, reducing jamming and wear. The brush can brush away the dust attached to the sealing belt when it moves, reducing dust from entering the storage bin through the long grooves. The setting of crushing pieces of different thickness on the breaker bar can help crush the rocks between the crushing cone and the mortar wall when the breaker bar moves. The setting of the hydraulic pump and the hydraulic output unit is convenient for providing greater crushing force for the breaker bar when the amount of rocks is large; The conveyor belt and the material-dispensing rod in the material-dispensing mechanism realize the uniform distribution and feeding of the stone. The conveyor belt transports the stone stably to the top of the hopper, while the material-dispensing rod pushes the stone into the hopper in a certain order and range, so that the stone is more evenly distributed when entering the crushing area. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the crushing device for aggregate production of the present invention; Figure 2 It is an enlarged view of the structure diagram of the crushing device for aggregate production of the present invention at position A; Figure 3 It is an enlarged view of the structure diagram of the crushing device for aggregate production of the present invention at position B; Figure 4 It is a front view of a crushing disk of a crushing device for aggregate production of the present invention; Figure 5 It is an enlarged view of the front view C of the crushing disk of the crushing device for aggregate production of the present invention; Figure 6 It is a top view of the material distribution mechanism of the crushing device for aggregate production of the present invention; Figure 7 It is a side view of the material distributing mechanism of the crushing device for aggregate production of the present invention.

[0016] Among them, 1 is a hopper, 2 is a crushing cone, 3 is a mortar wall, 4 is a crushing disc, 5 is a center ball, 6 is a cross bar, 7 is a crushing rod, 8 is a base, 9 is a ball cage universal joint, 10 is a cover, 11 is a cover plate, 12 is a vertical plate, 13 is a jack, 14 is a placement slot, 15 is a placement box, 16 is a reel, 17 is a sealing belt, 18 is a long slot, 19 is a roller, 20 is a bracket, 21 is a brush, 22 is a fixed slot, 23 is a hydraulic output unit, 24 is a crushing piece, 25 is a hydraulic pump, 26 is a pipeline, 28 is a conveyor belt, 29 is a material push rod, 30 is a push rod, and 31 is a guide pipe. DETAILED DESCRIPTION

[0017] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings.

[0018] Embodiment 1: As shown in the drawings of the specification, a crushing device for aggregate production includes a hopper 1, a crushing cone 2 and a mortar wall 3. A hammer is provided at one end of the crushing cone 2. The above is the prior art and will not be described in detail here. A crushing disc 4 extending between the crushing cone 2 and the mortar wall 3 is provided near the hammer of the hopper 1. The crushing disc 4 is provided at one end of the crushing cone 2 near the hopper 1. The crushing disc 4 includes a center ball 5 and a cross bar 6. A placement bin for placing the center ball 5 is connected to the inner wall of the hopper 1. The placement bin is a hollow cylindrical structure. The placement bin includes a base 8. A recessed groove is provided at the center of the base 8. A ball cage universal joint 9 for connecting the center ball 5 is bolted in the recessed groove. A cover 10 is provided at one end of the base 8 away from the crushing cone 2. The cover 10 includes a cover plate 11 and a vertical plate 12. The cover plate 11 is connected to the inner wall of the silo by a connecting rod. Screw holes are provided at both ends of the connecting rod. The cover plate 11 and the silo are fixed to the connecting rod by bolts. The vertical plate 12 and the cover 10 are an integral structure. There are multiple vertical plates 12 and they are arranged symmetrically along the center of the cover 10. The base 8 is provided with a socket that cooperates with each vertical plate 12 to facilitate quick positioning when the vertical plate 12 is connected to the base 8. The vertical plate 12 is fixed to the base 8 by bolts. The cross bar 6 is arranged around the center ball 5. There are multiple cross bars 6 and they are evenly spaced in the horizontal direction of the center ball 5. There is a set interval between two adjacent vertical plates 12 to form a through groove structure for the movement of the cross bar 6. A crushing rod 7 extending between the crushing cone 2 and the mortar wall 3 is provided at one end of the cross bar 6 away from the center ball 5. The cross bar 7 has a rectangular cross section. When the crushing cone 2 rotates in a swinging motion and forms a working surface with the mortar wall 3, the crushing rods 7 located at the relative positions of the working surface and the working surface assist in crushing the stone under extrusion. Fixed grooves 22 are provided on two opposite sides of the crushing rod 7. There are multiple fixed grooves 22 and they are evenly spaced along the length direction of the crushing rod 7. The fixed grooves 22 are cylindrical in structure. A crushing piece 24 extending to the outside of the crushing rod 7 is detachably connected in each fixed groove 22. The crushing piece 24 is a rectangular plate-like structure. The thickness of the crushing piece 24 is successively increased in the direction away from the cross bar 6. A sealing mechanism for preventing dust from entering the placement bin is provided in the cover body 10. The sealing mechanism includes a placement groove 14 located on the opposite side of the base 8 and the cover plate 11. There are multiple placement grooves 14 and they are sequentially arranged in the through groove formed by two adjacent vertical plates 12. A placement box 15 is bolted in the placement slot 14, and a reel 16 for storing a sealing tape 17 is rotatably connected in the placement box 15. A coil spring is provided at the end of the reel 16, and a slot for placing the coil spring is provided on the inner wall of the placement box 15. The reel 16 and the coil spring belong to the prior art. A long rod is glued to one end of the sealing tape 17 extending out of the placement box 15, and the upper rod is bolted to the cross bar 6, so that the sealing tape 17 moves out of the placement box 15 under the action of the cross bar 6 and blocks the gap between the adjacent vertical plates 12, and is stored in the placement box 15 under the action of the coil spring and the reel 16.

[0019] In one embodiment, as shown in the drawings, both sides of the vertical plate 12 are provided with long grooves 18 for movement of the sealing belt 17, the long grooves 18 are in an arc-shaped structure, and rollers 19 for limiting the movement of the sealing belt 17 are rotatably connected in the long grooves 18, and there are multiple rollers 19 and they are evenly spaced along the long grooves 18. A bracket 20 for fixing the rollers 19 is provided in the long grooves 18, and the bracket 20 is bolted to the two opposite inner walls of the long grooves 18, and the bracket 20 is in an arc-shaped structure suitable for the long grooves 18, and a brush 21 is screwed to the side of the bracket 20, and there are multiple brushes 21 and they are arranged in sequence along the length direction of the bracket 20.

[0020] In one embodiment, as shown in the accompanying drawings, a hydraulic output unit 23 is screwed into each fixing groove 22, and the output end of the hydraulic output unit 23 is key-connected with the crushing piece 24. A hydraulic pump 25 is provided in the crushing disc 4, and the hydraulic pump 25 and the hydraulic output unit 23 belong to the prior art. The hydraulic pump 25 is connected to the hydraulic output unit 23 through a pipeline 26, and a pipe groove for placing the pipeline 26 is provided in the crushing rod 7.

[0021] In one embodiment, as shown in the accompanying drawings, a material distribution mechanism is provided between the hopper 1 and the material conveying mechanism, and the material distribution mechanism includes a frame, and a conveyor belt 28 with a cover arranged outside the hopper 1 and a circular structure is provided on the frame, and a material drop zone for conveying stones through the material conveying mechanism is provided on the conveyor belt 28. The frame is provided with a plurality of material distribution rods 29, and the material distribution rods 29 are centrally symmetrically arranged along the center of the circle where the conveyor belt 28 is located, so as to form a structure in which the stones on the conveyor belt 28 enter the hopper 1 through the material distribution rods 29. The number of the material-moving rods 29 is equal to that of the cross bars 6, and each material-moving rod 29 is located between two adjacent cross bars 6. The material-moving rods 29 include a moving rod 30 for scraping stones on the conveyor belt 28 and a guide pipe 31 for guiding the movement of stones. The moving rods 30 are evenly spaced along the circle where the conveyor belt 28 is located. The cross-section of each moving rod 30 is an arc-shaped structure, the guide pipe 31 is a hollow structure, and the guide pipe 31 is inclined. The length of each moving rod 30 increases successively in the clockwise direction and away from the material-dropping area, forming a structure in which the conveyor belt 28 moves, and each moving rod 30 moves stones successively along the width direction of the conveyor belt 28 according to a set range.

[0022] The present invention provides a placement bin in the hopper, and a crushing rod extending between the crushing cone and the mortar wall is provided in the placement bin. There are multiple crushing rods, which are centrally symmetrically arranged about a center ball. The center ball is fixed in the base through a ball cage universal joint. When the crushing cone performs a rotary swing motion, a part of the side surface of the crushing cone is close to the mortar wall to form a crushing working surface. The crushing rods located at relative positions to the working surface all move under the action of the crushing cone, thereby increasing the working area of ​​the crushing cone, assisting in crushing stones, and improving the efficiency of the crushing process. The sealing mechanism effectively prevents dust from entering the placement bin. During the crushing process, the sealing belt is unfolded as the cross bar moves, shielding the gap between adjacent vertical plates, and preventing dust from entering the crushing cone. The crushing area enters the storage bin, protecting key components such as the ball cage universal joint from dust erosion. The rollers and brackets in the long groove further enhance the sealing effect. The rollers make the sealing belt smoother during movement, reducing jamming and wear. The brush can brush away the dust attached to the sealing belt when it moves, reducing the dust from entering the storage bin through the long groove. The setting of crushing pieces of different thicknesses on the crushing rod can assist in crushing the stones between the crushing cone and the mortar wall when the crushing rod moves. The setting of the hydraulic pump and the hydraulic output unit is convenient for providing greater crushing force for the crushing rod when the amount of stones is large. The conveyor belt and the material-push rod in the material-distributing mechanism realize the uniform distribution and feeding of stones. The conveyor belt stably transports the stones to the top of the hopper, and the material-push rod pushes the stones into the hopper in a certain order and range, so that the stones are more evenly distributed when entering the crushing area.

[0023] The present invention has been described in detail above through specific implementation modes and embodiments, but these do not constitute limitations of the present invention. Without departing from the principles of the present invention, those skilled in the art may also make many variations and improvements, which should also be regarded as the protection scope of the present invention.

Claims

1. A crushing device for aggregate production, comprising a hopper (1), a crushing cone (2) and a mortar wall (3), characterized in that: A crushing disc (4) extending between a crushing cone (2) and a mortar wall (3) is arranged near the hammer head of the hopper (1). The crushing disc (4) is covered at one end of the crushing cone (2) near the hopper (1). The crushing disc (4) comprises a center ball (5) and a cross bar (6). A crushing bar (7) extending between the crushing cone (2) and the mortar wall (3) is arranged at one end of the cross bar (6) away from the center ball (5). The inner wall of the hopper (1) is connected to a placement bin for placing the center ball (5). The placement bin comprises a base (8). The base (8) is provided with a A ball cage universal joint (9) is connected to the center ball (5), a cover body (10) is arranged on the base (8), the cross bar (6) is arranged around the center ball (5) and extends to the outside of the cover body (10), there are a plurality of cross bars (6) and they are evenly spaced in the horizontal direction of the center ball (5), so that when the crushing cone (2) rotates in a swinging motion and forms a working surface with the mortar wall (3), the crushing rods (7) located at relative positions of the working surface and the working surface assist in crushing stones under compression, and a sealing mechanism for preventing dust from entering the storage bin is arranged on the cover body (10).

2. The crushing device for aggregate production according to claim 1, characterized in that: The cover body (10) comprises a cover plate (11) and a vertical plate (12); the vertical plates (12) are multiple and are arranged symmetrically along the center of the cover body (10); a set interval is provided between two adjacent vertical plates (12) to form a through slot structure for the movement of the crossbar (6); and the base (8) is provided with a socket for use with each vertical plate (12).

3. The crushing device for aggregate production according to claim 2, characterized in that: The sealing mechanism comprises a placement groove (14) located on the opposite side of the base (8) and the cover plate (11), a placement box (15) being arranged in the placement groove (14), a reel (16) for storing a sealing tape (17) being rotatably connected in the placement box (15), a coil spring being arranged at the end of the reel (16), and an end of the sealing tape (17) away from the placement box (15) being connected to the cross bar (6), so that the sealing tape (17) moves out of the placement box (15) under the action of the cross bar (6) and blocks the gap between adjacent vertical plates (12), and is stored in the placement box (15) under the action of the coil spring and the reel (16).

4. The crushing device for aggregate production according to claim 3, characterized in that: Both sides of the vertical plate (12) are provided with long grooves (18) for the movement of the sealing belt (17), and rollers (19) for limiting the movement of the sealing belt (17) are provided in the long grooves (18), and the rollers (19) are provided in a plurality and are evenly spaced along the long grooves (18). A bracket (20) for fixing the rollers (19) is provided in the long grooves (18), and a brush (21) is provided on the side of the bracket (20).

5. The crushing device for aggregate production according to claim 1, characterized in that: The crushing rod (7) is provided with fixing grooves (22) on two opposite sides. There are a plurality of fixing grooves (22) which are evenly spaced along the length direction of the crushing rod (7). A crushing piece (24) extending to the outside of the crushing rod (7) is provided in each fixing groove (22). The thickness of the crushing piece (24) increases in a direction away from the cross bar (6).

6. The crushing device for aggregate production according to claim 5, characterized in that: A hydraulic output unit (23) is arranged in each of the fixed grooves (22), and an output end of the hydraulic output unit (23) is key-connected to a crushing plate (24). A hydraulic pump (25) is arranged in the crushing plate (4), and the hydraulic pump (25) is connected to the hydraulic output unit (23) via a pipeline (26). A pipe groove for accommodating the pipeline (26) is arranged in the crushing rod (7).

7. The crushing device for aggregate production according to claim 1, characterized in that: A material distribution mechanism is provided between the hopper (1) and the material conveying mechanism, the material distribution mechanism comprising a frame, the frame being provided with a conveyor belt (28) which is covered outside the hopper (1) and has a circular ring structure, and the frame being provided with a material shifting rod (29), forming a structure in which stone materials on the conveyor belt (28) enter the hopper (1) through the material shifting rod (29).

8. The crushing device for aggregate production according to claim 7, characterized in that: There are a plurality of the material shifting rods (29) and the number is equal to the number of the cross bars (6). Each of the material shifting rods (29) is located between two adjacent cross bars (6). The material shifting rods (29) include a shifting rod (30) and a guide tube (31). Each of the shifting rods (30) is evenly spaced along the circle where the conveyor belt (28) is located. Each of the shifting rods (30) is an arc-shaped structure. The guide tube (31) is a hollow structure. The length of each of the shifting rods (30) increases successively, forming a structure in which the conveyor belt (28) moves and each of the shifting rods (30) sequentially shifts stones according to a set range along the width direction of the conveyor belt (28).

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