Smashing device suitable for granite gravel

Abstract

The utility model relates to the technical field of granite crushing, in particular to a granite gravel crushing device which comprises a first crushing box, the left end face of the first crushing box is fixedly connected with two symmetrically-distributed fixing plates, and the opposite faces of the two fixing plates are each provided with a first electric push rod. The two first electric push rods penetrate through the two fixing plates correspondingly and are fixedly connected with racks, the outer walls of the two racks are both connected with gears in a meshed mode, two rotating shafts distributed front and back are rotationally connected into the first crushing box, granite is hammered through a first supporting base and a second supporting base, large granite is crushed, and the crushing efficiency is improved. And the crushing roller is driven by the second motor to rotate so that the pre-crushed granite can be subjected to secondary rolling crushing through the crushing roller and the crushing plate, and therefore the purposes that the granite needing to be crushed can be pre-crushed, the loss of the crushing roller is reduced, and the service life of the crushing roller is prolonged are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of granite crushing, in particular to a device suitable for crushing granite gravel. Background Art

[0002] Granite is an intrusive rock in acidic (SiO2>66%) magmatic rocks. It is the most common type of rock in this category, mostly light flesh red, light gray, grayish white, etc. It has medium-coarse and fine-grained structures and blocky structures. Some are also mottled, spheroidal, and gneiss-like structures. The main minerals are quartz, potassium feldspar, and acidic plagioclase, while the secondary minerals are biotite, hornblende, and sometimes a small amount of pyroxene. There are many types of accessory minerals, the most common of which are magnetite, linalite, zircon, apatite, tourmaline, fluorite, etc.

[0003] The existing granite crushing device usually directly places the granite to be crushed inside the crusher and crushes it through the crushing roller. It is inconvenient to pre-crush the granite to be crushed, resulting in large wear of the crushing roller and reduced service life. It is also inconvenient to crush the granite into crushed stones of different sizes, which is inconvenient to use. Therefore, a granite crushing device is proposed. Utility Model Content

[0004] The utility model aims to provide a granite crushing device, which has the characteristics of being able to pre-crush the granite to be crushed, reducing the loss of the crushing roller, extending the service life of the crushing roller, and being able to crush the granite into crushed stones of different sizes.

[0005] The utility model aims to provide a granite crushing device, comprising a first crushing box, wherein the left end face of the first crushing box is fixedly connected to two symmetrically distributed fixing plates, first electric push rods are installed on opposite sides of the two fixing plates, the two first electric push rods respectively penetrate the two fixing plates and are fixedly connected to racks, the outer walls of the two racks are meshedly connected to gears, the first crushing box is internally rotatably connected to two rotating shafts distributed front and back, the left end faces of the two rotating shafts penetrate the first crushing box and are respectively fixedly connected to the two gears, the outer walls of the two rotating shafts are respectively fixedly connected to a plurality of evenly distributed first supporting seats and second supporting seats, and a plurality of crushing heads are fixedly connected to the opposite sides of the plurality of the first supporting seats and the second supporting seats;

[0006] The lower end surface of the first crushing box is connected to the second crushing box, and the left and right ends of the second crushing box are installed with first motors. The output ends of the two first motors pass through the second crushing box and are fixedly connected with screw rods. The other ends of the two screw rods are rotatably connected to the second crushing box. The outer walls of the two screw rods are threadedly connected with threaded sleeves, and the lower ends of the two threaded sleeves are fixedly connected with crushing plates, and the opposite sides of the two crushing plates are fixedly connected with crushing nails.

[0007] In order to drive the crushing roller to rotate, as a preferred embodiment of the utility model suitable for a granite crushing device, a second motor is installed on the front end surface of the second crushing box, and the output end of the second motor passes through the second crushing box and is fixedly connected to the crushing roller located between the two crushing plates.

[0008] In order to facilitate the pre-crushed granite to fall into the second crushing box through the rectangular groove, as a preferred granite crushing device suitable for the utility model, a support plate is fixedly connected to the inside of the first crushing box, and a plurality of evenly distributed rectangular grooves are opened through the upper end surface of the support plate.

[0009] In order to drive the push plate to move, as a preferred embodiment of the utility model suitable for a granite crushing device, a second electric push rod is installed on the left end face of the first crushing box, and the output end of the second electric push rod passes through the first crushing box and is fixedly connected to the push plate.

[0010] In order to crush granite, as a preferred embodiment of the utility model for a granite crushing device, the crushing head is arranged in a cone shape.

[0011] For more convenient operation, as a preferred embodiment of the utility model suitable for a granite crushing device, a controller is installed on the front end surface of the first crushing box.

[0012] In order to prevent stones from splashing out from the gap between the crushing plate and the second crushing box, and to prevent the two crushing plates from axially rotating, as a preferred embodiment of the utility model suitable for a granite crushing device, the two crushing plates are slidably connected to the second crushing box.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model enables the first support seat and the second support seat to hammer the granite to crush the large granite. The pre-crushed granite falls into the second crushing box through the rectangular groove. The second motor drives the crushing roller to rotate, and the pre-crushed granite can be crushed by the crushing roller and the crushing plate for a second time, so that the granite to be crushed can be pre-crushed, the loss of the crushing roller is reduced, and the service life of the crushing roller is prolonged.

[0015] The two first motors can drive the two screws to rotate respectively, and when the screws rotate, the two threaded sleeves will be driven to rotate, so that the distance between the two crushing plates and the crushing rollers can be adjusted, so as to achieve the purpose of crushing the granite into gravel of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of the utility model;

[0017] Figure 2 This is the internal structure diagram of the first crushing box of the utility model;

[0018] Figure 3 It is a cross-sectional structural diagram of the utility model.

[0019] In the figure: 1. first crushing box; 2. rotating shaft; 3. second supporting seat; 4. crushing head; 5. gear; 6. rack; 7. fixing plate; 8. first electric push rod; 9. second electric push rod; 10. push plate; 11. rectangular groove; 12. second crushing box; 13. first motor; 14. threaded sleeve; 15. screw rod; 16. crushing plate; 17. crushing roller; 18. second motor; 19. first supporting seat; 20. supporting plate. DETAILED DESCRIPTION

[0020] See also Figures 1 to 3 , a device suitable for crushing granite gravel, comprising a first crushing box 1, the left end face of the first crushing box 1 is fixedly connected with two symmetrically distributed fixing plates 7, the opposite sides of the two fixing plates 7 are both installed with first electric push rods 8, the two first electric push rods 8 respectively penetrate the two fixing plates 7 and are fixedly connected with racks 6, the outer walls of the two racks 6 are meshed with gears 5, the interior of the first crushing box 1 is rotatably connected with two front-to-back distributed rotating shafts 2, the left end faces of the two rotating shafts 2 penetrate the first crushing box 1 and are respectively fixedly connected with the two gears 5, the outer walls of the two rotating shafts 2 are respectively fixedly connected with a plurality of evenly distributed first supporting seats 19 and second supporting seats 3, and the opposite sides of the plurality of first supporting seats 19 and the second supporting seats 3 are fixedly connected with a plurality of crushing heads 4;

[0021] The lower end surface of the first crushing box 1 is connected to the second crushing box 12, and the left and right ends of the second crushing box 12 are installed with first motors 13. The output ends of the two first motors 13 pass through the second crushing box 12 and are fixedly connected with screw rods 15. The other ends of the two screw rods 15 are rotatably connected to the second crushing box 12. The outer walls of the two screw rods 15 are threadedly connected with threaded sleeves 14. The lower ends of the two threaded sleeves 14 are fixedly connected with crushing plates 16, and the opposite sides of the two crushing plates 16 are fixedly connected with crushing nails.

[0022] In this embodiment: when in use, the granite to be crushed is placed in the first crushing box 1, and then the two first electric push rods 8 are started to move relative to each other, so that the two gears 5 can be driven to rotate relative to each other. When the two gears 5 rotate relative to each other, the two rotating shafts 2 can be driven to rotate relative to each other, so that the first support seat 19 and the second support seat 3 can be driven to rotate relative to each other, so that the first support seat 19 and the second support seat 3 hammer the granite to crush the large pieces of granite. The pre-crushed granite falls into the second crushing box 12 through the rectangular groove 11. The crushing roller 17 is driven to rotate by the second motor 18, and the pre-crushed granite can be crushed by the crushing roller 17 and the crushing plate 16 for a second time, so as to reduce the loss of the crushing roller and extend its service life.

[0023] The two first motors 13 can respectively drive the two screw rods 15 to rotate, and when the screw rods 15 rotate, the two threaded sleeves 14 can be driven to rotate, so that the distance between the two crushing plates 16 and the crushing rollers 17 can be adjusted to crush the granite into gravels of different sizes.

[0024] As a technical optimization solution of the utility model, a second motor 18 is installed on the front end surface of the second crushing box 12 , and the output end of the second motor 18 passes through the second crushing box 12 and is fixedly connected to a crushing roller 17 located between the two crushing plates 16 .

[0025] In this embodiment, the crushing roller 17 can be driven to rotate by the second motor 18 .

[0026] As a technical optimization solution of the utility model, a support plate 20 is fixedly connected to the interior of the first crushing box 1, and a plurality of evenly distributed rectangular grooves 11 are penetrated through the upper end surface of the support plate 20.

[0027] In this embodiment, the rectangular groove 11 can facilitate the pre-crushed granite to fall into the second crushing box 12 .

[0028] As a technical optimization solution of the utility model, a second electric push rod 9 is installed on the left end surface of the first crushing box 1, and the output end of the second electric push rod 9 passes through the first crushing box 1 and is fixedly connected to a push plate 10.

[0029] In this embodiment, the push plate 10 can be driven to move left and right on the upper end of the support plate 20 by the second electric push rod 9 , so that the pre-crushed gravel can be conveniently pushed into the rectangular groove 11 .

[0030] As a technical optimization solution of the present utility model, the crushing head 4 is arranged in a cone shape.

[0031] In this embodiment, the crushing head 4 is arranged in a cone shape, which is more conducive to the crushing of granite.

[0032] As a technical optimization solution of the present invention, a controller is installed on the front end surface of the first crushing box 1 .

[0033] In this embodiment, the controller is electrically connected to the second electric push rod 9, the first motor 13, the first electric push rod 8, and the second motor 18, which makes the operation more convenient.

[0034] As a technical optimization solution of the utility model, the two crushing plates 16 are both slidably connected to the second crushing box 12 .

[0035] In this embodiment, by making the two crushing plates 16 slidably connected to the second crushing box 12, stones can be prevented from splashing out from the gap between the crushing plates 16 and the second crushing box 12, and the two crushing plates 16 can be prevented from axially rotating.

[0036] Working principle: when in use, put the granite to be crushed into the first crushing box 1, and then start the two first electric push rods 8 to move relative to each other, so as to drive the two gears 5 to rotate relative to each other. When the two gears 5 rotate relative to each other, they will drive the two rotating shafts 2 to rotate relative to each other, so as to drive the first support seat 19 and the second support seat 3 to rotate relative to each other, so that the first support seat 19 and the second support seat 3 hammer the granite to crush the large pieces of granite. The pre-crushed granite falls into the second crushing box 12 through the rectangular groove 11. The crushing roller 17 is driven to rotate by the second motor 18, so that the pre-crushed granite can be crushed by the crushing roller 17 and the crushing plate 16 for the second time, so as to reduce the loss of the crushing roller 17 and extend its service life.

[0037] The two first motors 13 can respectively drive the two screw rods 15 to rotate, and when the screw rods 15 rotate, the two threaded sleeves 14 can be driven to rotate, so that the distance between the two crushing plates 16 and the crushing rollers 17 can be adjusted to crush the granite into gravels of different sizes.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for crushing granite stone, comprising a first crushing box (1), characterized in that : The left end face of the first crushing box (1) is fixedly connected to two symmetrically distributed fixing plates (7), and the opposite sides of the two fixing plates (7) are each installed with a first electric push rod (8), and the two first electric push rods (8) respectively penetrate the two fixing plates (7) and are fixedly connected to a rack (6), and the outer walls of the two racks (6) are meshingly connected to a gear (5), and the interior of the first crushing box (1) is rotatably connected to two rotating shafts (2) distributed front and back, and the left end faces of the two rotating shafts (2) penetrate the first crushing box (1) and are respectively fixedly connected to the two gears (5), and the outer walls of the two rotating shafts (2) are respectively fixedly connected to a plurality of evenly distributed first support seats (19) and second support seats (3), and the opposite sides of the plurality of first support seats (19) and second support seats (3) are each fixedly connected to a plurality of crushing heads (4); The lower end surface of the first crushing box (1) is connected to the second crushing box (12), and the left and right ends of the second crushing box (12) are both equipped with first motors (13). The output ends of the two first motors (13) pass through the second crushing box (12) and are fixedly connected to screw rods (15). The other ends of the two screw rods (15) are rotatably connected to the second crushing box (12). The outer walls of the two screw rods (15) are threadedly connected to threaded sleeves (14). The lower ends of the two threaded sleeves (14) are fixedly connected to crushing plates (16), and the opposite sides of the two crushing plates (16) are fixedly connected to crushing nails.

2. A granite crushing device according to claim 1, characterized in that: A second motor (18) is installed on the front end surface of the second crushing box (12), and the output end of the second motor (18) passes through the second crushing box (12) and is fixedly connected to a crushing roller (17) located between two crushing plates (16).

3. The granite crushing device according to claim 1, characterized in that: A support plate (20) is fixedly connected to the interior of the first crushing box (1), and a plurality of evenly distributed rectangular grooves (11) are formed through the upper end surface of the support plate (20).

4. The granite crushing device according to claim 1, characterized in that: A second electric push rod (9) is installed on the left end surface of the first crushing box (1), and the output end of the second electric push rod (9) passes through the first crushing box (1) and is fixedly connected to a push plate (10).

5. The granite crushing device according to claim 1, characterized in that: The crushing head (4) is arranged in a cone shape.

6. The granite crushing device according to claim 1, characterized in that: A controller is installed on the front end surface of the first crushing box (1).

7. The granite crushing device according to claim 1, characterized in that: The two crushing plates (16) are both slidably connected to the second crushing box (12).

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