CN216260970U

CN216260970U - Stone crushing device with multi-stage screening mechanism

Info

Publication number: CN216260970U
Application number: CN202122992291.5U
Authority: CN
Inventors: 汤海斌; 刘威; 金春霞; 张艳琼
Original assignee: Sichuan Road and Bridge Group Co Ltd
Current assignee: Sichuan Road and Bridge Group Co Ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-12
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a stone breaking device with a multi-stage screening mechanism, which comprises a crushing barrel and a screening frame, wherein a motor is installed at the top of the crushing barrel, a feed inlet is formed in the upper side of the crushing barrel, a crushing disc is arranged in the crushing barrel, a fixed grinding disc is arranged on the outer side of the crushing disc and is connected to a rectangular vertical rod in the middle in a sliding manner, inlets are formed in the left end and the right end of the upper side of the screening frame, feed inlets corresponding to the inlets are formed in the left end and the right end of the lower side of the crushing barrel in a bilateral symmetry manner, a door panel is installed at the feed inlets, a plurality of mutually parallel filter screen plates are arranged in the screening frame, and turning plates are respectively arranged at the left end and the right end of the screening frame corresponding to each layer of filter screen plate. The crushing strength is increased.

Description

Stone crushing device with multi-stage screening mechanism

Technical Field

The utility model relates to the field of gravel screening, in particular to a gravel device with a multi-stage screening mechanism.

Background

At present, graded broken stone bedding layers, cement stabilized bases and subbase layers for highway pavement construction are usually paved by adopting broken stones of different grades, and the broken stones are screened and graded before construction, so that the quality after construction is ensured.

Chinese patent discloses a rock crushing device for mining (No. CN 214077118U), which can perform multistage crushing, but the crushed stone lacks a secondary screening process, and the existing screening device has a lot of requirements for electric power. Accordingly, one skilled in the art has provided a rock breaking device with a multi-stage screening mechanism to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a stone crushing device with a multi-stage screening mechanism, which comprises a crushing cylinder and a screening frame, wherein the middle part of the screening frame is rotatably connected with a support column, the support column is fixed on the ground, the crushing cylinder is supported by a connecting column, the connecting column is fixedly connected with the support column, a motor is installed at the top of the crushing cylinder, a feed inlet is formed in the upper side of the crushing cylinder, a crushing disc is arranged in the crushing cylinder, a fixed grinding disc is arranged on the outer side of the crushing disc, the fixed grinding disc is slidably connected onto a rectangular vertical rod in the middle part, a top block is arranged on the lower side of the fixed grinding disc, and the top block is slidably connected into a through hole in the lower side of the crushing cylinder;

the screening device comprises a screening frame, a crushing barrel, a door plate, a plurality of filter screen plates, a receiving groove, a plurality of discharging plates and a plurality of broken stones, wherein inlets are formed in the left end and the right end of the upper side of the screening frame, a measuring mechanism is arranged at the inlet, feeding ports corresponding to the inlets are symmetrically arranged on the left side and the right side of the lower side of the crushing barrel, the door plate is arranged at the feeding port, the filter screen plates which are parallel to each other are arranged in the screening frame, turning plates are arranged at the left end and the right end of the screening frame and correspond to the filter screen plates of each layer respectively, guide blocks are rotatably connected to the lower sides of the left end and the right end of the screening frame, receiving grooves are arranged below the left end and the right end of the screening frame, and a plurality of discharging plates are arranged on one side of the receiving grooves, which is far away from a support column, and used for receiving the broken stones filtered by each layer;

accept the inslot and be equipped with the board of hitting, hit the downside of board and be connected with jacking spring, hit and all connect the pinch bar at both ends around the board is close to one side of support column, and the upper end of pinch bar is fixed with the kicking block, and the position that the pinch bar is close to the upper end articulates on the support column, is the kicking block directly over the kicking block, the front side of accepting the groove is equipped with locking mechanical system, locking mechanical system includes the electro-magnet, stops piece and inserting groove, and the inserting groove is located the front side of guide block, and the piece of stopping can insert the inserting groove under the drive of electro-magnet, fixes the position of guide block.

Preferably: the upside of hitting the board is equipped with the recess that corresponds the guide block, and the recess is the arc, receives the impact force of guide block.

Preferably: the lower end of the turning plate is hinged to the screening frame, a rotating strip is fixed to the lower end of the turning plate, one side of the rotating strip is connected with a return spring, and the other side of the rotating strip is provided with a first electromagnet used for driving a switch of the turning plate.

Preferably: the door plant includes door frame and spring, and the door frame is kept away from one side of spliced pole and is equipped with convex depression bar, and the screening frame can be pressed on the depression bar, and then drives the door frame and remove, and the through-hole is counterpointed, accomplishes opening of door plant.

Preferably: the lower side of the screening frame is fixed with a striking piece, the distance between the striking piece and the hinged position of the guide block is the same as that between the guide block and the hinged position of the guide block, so that the guide block can impact on the striking piece, and the screening frame is driven to vibrate by the impact force of the guide block to assist in screening.

Preferably: the upper portion of kicking block is triangle-shaped, and the downside of fixed mill is the same with the gradient of kicking block upside contact position, drives fixed mill and pushes up, further reduces and the broken distance between the dish, the increase crushing strength.

The utility model has the technical effects and advantages that:

1. the utility model utilizes the conversion of the gravity center to carry out screening, needs less power and can carry out continuous production.

2. The utility model utilizes the impact force caused by landing to drive the fixed millstone above to rise, further reduces the distance between the fixed millstone and the crushing disc and increases the crushing strength.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic elevation view of the present application;

FIG. 3 is a schematic top view of the present application;

FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;

FIG. 5 is a schematic view of the construction of a pry bar of the present application;

fig. 6 is a partially enlarged structural diagram of a in fig. 4.

In the figure: 1. a crushing cylinder; 2. a motor; 3. a feed inlet; 4. a screening rack; 5. a support pillar; 6. connecting columns; 7. a feeding port; 8. a receiving groove; 9. a guide block; 10. striking a board;

11. a pry bar; 12. an impact block; 13. a top block; 14. fixing the grinding disc; 15. a crushing disc; 16. a discharge plate; 17. a jacking spring; 18. turning over a plate; 19. an electromagnet I; 20. a return spring;

21. a locking mechanism; 22. a door panel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 6, in the present embodiment, a stone crushing device with a multistage screening mechanism is provided, including a crushing cylinder 1 and a screening frame 4, the middle portion of the screening frame 4 is rotatably connected with a support column 5, the support column 5 is fixed on the ground, the crushing cylinder 1 is supported by a connection column 6, the connection column 6 is fixedly connected with the support column 5, a motor 2 is installed at the top of the crushing cylinder 1, a feed inlet 3 is arranged at the upper side of the crushing cylinder 1, a crushing disc 15 is arranged in the crushing cylinder 1, a fixed grinding disc 14 is arranged at the outer side of the crushing disc 15, the fixed grinding disc 14 is slidably connected to a rectangular vertical rod at the middle portion, a top block 13 is arranged at the lower side of the fixed grinding disc 14, and the top block 13 is slidably connected in a through hole at the lower side of the crushing cylinder 1;

the left end and the right end of the upper side of the screening frame 4 are both provided with inlets, measuring mechanisms are installed at the inlets, feeding ports 7 corresponding to the inlets are symmetrically arranged on the left side and the right side of the lower side of the crushing barrel 1, door plates 22 are installed at the feeding ports 7, a plurality of mutually parallel filter screen plates are arranged in the screening frame 4, turning plates 18 are respectively arranged at the left end and the right end of the screening frame 4 corresponding to each layer of filter screen plate, the lower sides of the left end and the right end of the screening frame 4 are rotatably connected with guide blocks 9, bearing grooves 8 are respectively arranged below the left end and the right end of the screening frame 4, and a plurality of discharging plates 16 are arranged at one side of each bearing groove 8, which is far away from the support column 5, and are used for receiving crushed stones left by filtering at each layer;

a striking plate 10 is arranged in the bearing groove 8, a groove corresponding to the guide block 9 is formed in the upper side of the striking plate 10, the groove is arc-shaped and receives the impact force of the guide block 9, a jacking spring 17 is connected to the lower side of the striking plate 10, a pry bar 11 is connected to the front end and the rear end of one side, close to the support column 5, of the striking plate 10, an impact block 12 is fixed to the upper end of the pry bar 11, the position, close to the upper end, of the pry bar 11 is hinged to the support column 5, a jacking block 13 is arranged right above the impact block 12, a locking mechanism 21 is arranged on the front side of the bearing groove 8, the locking mechanism 21 comprises an electromagnet, a brake sheet and an insertion groove, the insertion groove is located on the front side of the guide block 9, and the brake sheet can be inserted into the insertion groove under the driving of the electromagnet to fix the position of the guide block 9;

the lower end of the turning plate 18 is hinged to the screening frame 4, the lower end of the turning plate 18 is fixed with a rotating strip, one side of the rotating strip is connected with a return spring 20, the other side of the turning plate is provided with an electromagnet I19 for driving the turning plate 18 to open and close, the door panel 22 comprises a door frame and a spring, one side of the door frame, which is far away from the connecting column 6, is provided with a convex pressing rod, the screening frame 4 can be pressed on the pressing rod to drive the door frame to move, through holes are aligned to complete opening of the door panel 22, the lower side of the screening frame 4 is fixed with a striking sheet, the distance between the striking sheet and the hinged position of the guide block 9 is the same as the distance between the guide block 9 and the guide block 9, so that the guide block 9 can strike on the striking sheet, the screening frame 4 is driven to vibrate by the impact force to help screening, the upper portion of the top block 13 is triangular, the gradient between the lower side of the fixed abrasive disc 14 and the upper side of the top block 13 is the same to drive the fixed abrasive disc 14 to further reduce the distance between the crushing disc 15, the crushing strength is increased.

The working principle of the utility model is as follows: during the use, drive crushing dish 15 in the broken section of thick bamboo 1 through motor 2 and rotate, and then through the mutual rotation between crushing dish 15 and the fixed mill 14, carry out the breakage to inside building stones, the building stones after the breakage are piled up in pan feeding mouth 7 department.

When left screening frame 4 perk, screening frame 4 drives left side door plant 22 and opens, and screening frame 4 presses on the depression bar, and then drives the door frame and remove, and the through-hole is counterpointed, accomplishes opening of door plant 22, and in the building stones fell the entry of screening frame 4, locking mechanical system 21 on right side opened this moment, fixed the angle of screening frame 4, detected through measuring mechanism what of whereabouts volume.

When the preset value is reached, the weight of the left side of the screening frame 4 is larger than that of the right side, the right side locking mechanism 21 is opened, the screening frame 4 rotates left and right under the gravity and drives the stones inside to roll left and is graded through the filter screen plate, in the falling process, the guide block 9 is always vertical to the horizontal plane under the left and right of the gravity, the guide block 9 is inserted into the striking plate 10 in the receiving groove 8, the jacking spring 17 is shortened, the falling impact force is transmitted to the prying bar 11 through the striking plate 10, the prying bar 11 drives the jacking block 13 above the top of the bump to further drive the fixed grinding disc 14 above the bump to ascend, the distance between the fixed grinding disc and the crushing disc 15 is further reduced, the crushing force is increased, and after the left side of the screening frame 4 reaches the lowest point, the left side locking mechanism 21 is started to complete locking.

After 4 stall of screening frame, guide block 9 on right side is under inertial effect, guide block 9 striking is on hitting the piece, utilize its impact force to drive the vibration of screening frame 4, help screening, inside building stones rolls to the left side, left side turns over board 18 and opens, carry out the ejection of compact with qualified building stones, door plant 22 on right side is opened simultaneously, carry out the material loading, both sides gravity takes place the deflection once more, after reaching the predetermined value, carry out reverse operation, it is repeated constantly, can accomplish the hierarchical screening of inside building stones.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a rubble device with multistage screening mechanism, includes a broken section of thick bamboo (1) and screening frame (4), the middle part of screening frame (4) is rotated and is connected support column (5), and support column (5) are fixed subaerial, and a broken section of thick bamboo (1) supports through spliced pole (6), spliced pole (6) fixed connection support column (5), motor (2) are installed at the top of a broken section of thick bamboo (1), and the upside of a broken section of thick bamboo (1) is equipped with feed inlet (3), and the characterized in that, be equipped with crushing dish (15) in a broken section of thick bamboo (1), the outside of crushing dish (15) is equipped with fixed mill (14), and fixed mill (14) sliding connection is on the rectangle montant at middle part, and the downside of fixed mill (14) is equipped with kicking block (13), and kicking block (13) sliding connection is in the through-hole of a broken section of thick bamboo (1) downside;

inlets are formed in the left end and the right end of the upper side of the screening frame (4), feeding ports (7) corresponding to the inlets are symmetrically formed in the left side and the right side of the lower side of the crushing barrel (1), door plates (22) are installed at the positions of the feeding ports (7), a plurality of mutually parallel filter screen plates are arranged in the screening frame (4), turning plates (18) are respectively arranged at the left end and the right end of the screening frame (4) corresponding to each layer of filter screen plate, guide blocks (9) are rotatably connected to the lower sides of the left end and the right end of the screening frame (4), receiving grooves (8) are formed below the left end and the right end of the screening frame (4), and a plurality of discharging plates (16) are arranged on one side, away from the support columns (5), of the receiving grooves (8);

accept to be equipped with in groove (8) and hit beater plate (10), hit the downside of beating beater plate (10) and be connected with jacking spring (17), hit beater plate (10) and all connect pinch bar (11) in both ends around being close to one side of support column (5), the upper end of pinch bar (11) is fixed with kicking block (12), and position that pinch bar (11) are close to the upper end articulates on support column (5), is kicking block (13) directly over kicking block (12), the front side of accepting groove (8) is equipped with locking mechanical system (21), locking mechanical system (21) include the electro-magnet, stop piece and inserting groove, and the inserting groove is located the front side of guide block (9).

2. A lithotripter device with a multistage screening mechanism according to claim 1, characterized in that the upper side of the striking plate (10) is provided with a groove corresponding to the guide block (9), the groove being arc-shaped.

3. The stone breaking device with the multistage screening mechanism is characterized in that the lower end of the turning plate (18) is hinged to the screening frame (4), a rotating strip is fixed to the lower end of the turning plate (18), a return spring (20) is connected to one side of the rotating strip, and a first electromagnet (19) is arranged on the other side of the rotating strip.

4. A rock breaking device with a multistage screening mechanism according to claim 1, characterized in that the door panel (22) comprises a door frame and a spring, and the side of the door frame facing away from the connecting column (6) is provided with a protruding press rod.

5. A rock breaking device with a multi-stage screening mechanism according to claim 1, characterized in that a striking plate is fixed to the underside of the screening frame (4), the striking plate being at the same distance from the guide block (9) to the hinge point of the guide block (9).

6. A lithotripter device with a multistage screening mechanism according to claim 1, characterized in that the upper part of the top block (13) is triangular and the inclination of the contact position of the lower side of the fixed grinding disc (14) and the upper side of the top block (13) is the same.