CN217093719U - a material crusher - Google Patents

Abstract

The utility model discloses a material crusher, comprising a body, a front impact plate, a rear impact plate, a rotor assembly and a crushing toothed roller device. A front impact plate and a rear impact plate are installed inside the body, and a front impact plate is installed on the front impact plate. Contrast plate, rear counter plate is installed on rear counter plate, front counter plate and rear counter plate are respectively provided with a set of spring adjustment device, crushing tooth roller device is installed under rotor assembly, rotor assembly includes main shaft, rotor frame and hammer The main shaft is driven by the driving device. The rotor frame is sleeved on the main shaft. Several hammer heads are installed on the rotor frame. The crushing toothed roller device includes a fixed toothed roller and a movable toothed roller that cooperate with each other. The toothed roller shaft is fixedly connected with the frame through the first bearing seat, and the movable toothed roller shafts on both sides of the movable toothed roller are movably connected with the frame through the second bearing seat. The purpose of the utility model is to provide a crusher that can adjust the spacing according to material requirements, improve crushing efficiency and meet production requirements.

Description

a material crusher

technical field

The utility model belongs to the technical field of crushing machinery, in particular to a material crusher.

Background technique

At present, the crusher is mainly used for metallurgy, chemical industry, building materials, hydropower and other materials processing that often need to be relocated, especially for the operation of mobile stone materials such as highways, railways, hydropower projects, etc. The different material requirements of the finished product adopt a variety of configuration forms. Widely used in building materials, ore crushing, railways, highways, energy, transportation, energy, cement, mining, chemical and other industries for medium and fine crushing materials. The crusher needs to adjust the spacing between the impact plate and the hammer on the rotor according to the different raw materials. The adjustment process must meet the uniformity of the particle size of the discharged material, but the current adjustment efficiency of the impact plate is low and the operation is inconvenient, which affects the final output. material uniformity.

In the construction industry, aggregates play the role of skeleton and filling in concrete and mortar, commonly used are crushed stone and pebbles. Crushed stone is a natural rock or rock made by mechanical crushing and screening. When crushing, the size of the material is different and the hardness is uneven, which will cause the material to have a poor crushing effect due to its size, and it will not be able to get the desired result. At the same time, due to the difference in hardness, the crushing device will be damaged when encountering super hard materials, which greatly affects the service life of the crushing device.

Utility model content

In view of the deficiencies of the prior art, the purpose of the present utility model is to provide a material crusher, which has the advantages of simple structure, can adjust the spacing according to the material requirements, and improves the crushing efficiency, and solves the problem that the traditional crusher cannot adjust the spacing and the crushing is not thorough enough question.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a material crusher, comprising a body, a front impact plate, a rear impact plate, a rotor assembly and a crushing toothed roller device, and a front impact plate and a rear impact plate are installed inside the body. Counterattack plate, the front counterattack board is above the rear counterattack board, the front counterattack board is installed with a front counterliner board, the rear counterattack board is equipped with a rear counterliner board, and the front counterback board and the back counterliner board are serrated The front impact plate and the rear impact plate are correspondingly provided with a set of spring adjustment devices, the front impact plate and the rear impact plate are installed on one side of the rotor assembly in a C-shape, and the crushing tooth roller device is installed on the rotor assembly. Below, the rotor assembly includes a main shaft, a rotor frame and a hammer head. The main shaft is driven by a driving device, a rotor frame is sleeved on the main shaft, and several hammer heads are installed on the rotor frame. The anti-backing plate and the rear anti-lining plate are respectively arranged on the side where the distance between the front impact plate and the rear impact plate is closer to the hammer head, and the crushing toothed roller device includes a fixed toothed roller and a movable toothed roller that cooperate with each other. The fixed toothed roller shafts on both sides of the roller are fixedly connected with the frame through the first bearing seat, and the movable toothed roller shafts on both sides of the movable toothed roller are movably connected with the frame through the second bearing seat.

In the above technical scheme, the distance between the impact plate and the rotor assembly can be adjusted by the spring adjustment device to improve the crushing effect. During crushing, the elastic adjustment is performed according to the size of the material, which reduces the damage of the crusher and reduces the maintenance. Cost, the rotor frame rotates at a high speed, when the material enters the action area of the hammer head, it collides with the hammer head on the rotor frame and breaks, and the hammer head throws the material to the front impact plate and the rear impact plate to break again, and then bounces back from the impact lining plate Re-crushing in the action area of the hammer head, the crushed material enters the crushing toothed roller device, and the desired particle size uniformity is obtained through the occlusal action of the fixed toothed roller and the movable toothed roller, and the crushing efficiency is improved.

Further, the upper end of the body is provided with a feeding port, the top of the feeding port is provided with a baffle plate, and the lower end of the body is provided with a feeding port.

In the above technical solution, the baffle prevents the material from entering the upper part of the front impact plate when entering from the feed port, and passes through the gap between the impact plate and the frame, causing material loss and reducing work efficiency.

Further, the spring adjusting device includes a connecting rod, a mounting seat, a spring and an adjusting nut, the mounting seat is fixedly installed on the body, and one end of the connecting rod extends into the body and is rotatably connected to the front impact plate and the front impact plate through a pin shaft. On the rear counterattack plate, the other end of the connecting rod protrudes out of the body through the mounting seat, the connecting rod is provided with an adjusting nut, a spring is arranged between the adjusting nut and the mounting seat, and the two ends of the spring are respectively connected with the adjusting nut and the mounting seat. The seat is connected as one.

In the above technical solution, the spacing between the impact plate and the rotor assembly can be adjusted through the spring adjustment device to improve the crushing effect. When crushing, the elasticity is adjusted according to the size of the material, which reduces the damage to the crusher and reduces Maintenance costs.

Further, the body is provided with a movable groove, the second bearing seat can be installed in the movable groove horizontally, and the two ends of the movable toothed roller shaft are respectively connected with one end of two elastic hydraulic rods. The other end of the elastic hydraulic rod is connected with the body through a fixed block, and the telescopic direction of the elastic hydraulic rod is consistent with the direction of the movable groove.

In the above technical scheme, the distance between the fixed toothed roller and the movable toothed roller can be adjusted by the elastic hydraulic rod, so that the second bearing seat slides relatively in the movable groove, and the crushing effect is improved. , carry out elastic adjustment, reduce the damage of the crusher, reduce the maintenance cost, and meet the production demand.

Further, the fixed toothed roller and the movable toothed roller are engaged with each other, and the fixed toothed roller shaft and the movable toothed roller shaft are on the same horizontal plane.

In the above technical solution, the fixed toothed roller and the movable toothed roller are engaged with each other, and the fixed toothed roller shaft and the movable toothed roller shaft are on the same level, so that the material can enter the crushing toothed roller device more easily, and the crushing effect is better.

Further, a first transmission gear and a second transmission gear are respectively installed at one end of the fixed toothed roller shaft and the movable toothed roller shaft on the outside of the body, and the first transmission gear and the second transmission tooth mesh with each other and are driven by a servo motor.

Further, the mounting seat is provided with a positioning groove, the side surface of the positioning groove is provided with a fixing hole, the bottom end of the spring is clamped in the positioning groove, and the end of the bottom end is inserted into the fixing hole to fix the spring.

In the above technical solution, a circular positioning groove is arranged on the mounting seat, the depth of the positioning groove accommodates at least one spring, the diameter of the positioning groove is matched with the outer diameter of the spring, and a fixing hole is provided on the side of the positioning groove. The diameter of the hole and the end of the spring are in an interference fit, so that after the spring is sleeved on the connecting rod, the end of the bottom end of the spring can be inserted into the fixing hole and will not slip off when the adjusting nut rotates.

Compared with the prior art, the utility model provides a material crusher, which has the following beneficial effects:

The utility model improves the work efficiency through the mutual cooperation of the front impact plate, the rear impact plate, the rotor assembly and the crushing toothed roller device. The spacing and the spacing between the fixed toothed roller and the movable toothed roller are adjusted to improve the crushing effect. When crushing, according to the difference in the size and hardness of the material, the elastic adjustment is carried out, which reduces the damage of the crusher and reduces the maintenance cost. The desired particle size uniformity meets production requirements.

Description of drawings

Fig. 1 is the internal structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of the spring adjustment device;

FIG. 3 is a schematic top view of the crushing toothed roller device.

Markings in the figure: 1. Body; 2. Front impact plate; 3. Rear impact plate; 4. Rotor assembly; 5. Crushing gear roller device; 6. Main shaft; 7. Rotor frame; 8. Hammer head; 9. Inlet Material port; 10, baffle plate; 11, spring adjusting device; 12, connecting rod; 13, mounting seat; 131, positioning groove; 132, fixing hole; 14, spring; 15, adjusting nut; 16, front contrast plate; 17 , rear contrast plate; 18, fixed toothed roller; 19, movable toothed roller; 20, fixed toothed roller shaft; 21, movable toothed roller shaft; 22, first bearing seat; 23, second bearing seat; 24, movable groove; 25, fixed block; 26, elastic hydraulic rod; 27, first transmission gear; 28, second transmission gear; 29, discharge port.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is further described:

Referring to FIGS. 1 to 3 , an embodiment of the present utility model provides a material crusher, including a body 1, a front impact plate 2, a rear impact plate 3, a rotor assembly 4 and a crushing toothed roller device 5. The body 1 A front counterattack plate 2 and a rear counterattack plate 3 are installed inside, the front counterattack plate 2 is above the rear counterattack plate 3, a front counterattack plate 16 is installed on the front counterattack plate 2, and a front counterattack plate 16 is installed on the rear counterattack plate 3. The rear counter 17, the front counter 16 and the rear counter 17 are serrated, the front counter 2 and the rear counter 3 are correspondingly provided with a set of spring adjustment devices 11, which can adjust the counter to the counter and the rotor. The spacing between the assemblies 4 is adjusted to improve the crushing effect. The front impact plate 2 and the rear impact plate 3 are installed on one side of the rotor assembly 4 in a C-shape, and the crushing tooth roller device 5 is installed on the rotor assembly 4. Below, the rotor assembly 4 includes a main shaft 6, a rotor frame 7 and a hammer head 8, the main shaft 6 is driven by a driving device, a rotor frame 7 is sleeved on the main shaft 6, and a rotor frame 7 is installed on the rotor frame 7. Several hammer heads 8, the front anti-backing plate 16 and the rear anti-lining plate 17 are respectively arranged on the side of the front impact plate 2 and the rear impact plate 3 which are closer to the hammer head 8, the rotor frame 7 rotates at a high speed, and the material enters When the hammer head 8 is in the action area, it collides with the hammer head 8 on the rotor frame 7 and breaks, and the hammer head 8 throws the material to the front counterattack plate 2 and the rear counterattack plate 3 and breaks it again, and then bounces back to the hammer head from the counterattack liner. 8. The action area is broken again. The crushing toothed roller device 5 includes a fixed toothed roller 18 and a movable toothed roller 19 that cooperate with each other. The fixed toothed roller shafts 20 on both sides of the fixed toothed roller 18 pass through the first bearing seat 22 and the frame. 1 Fixed connection, the movable toothed roller shafts 21 on both sides of the movable toothed roller 19 are movably connected with the frame 1 through the second bearing seat 22, and the crushed material enters the crushing toothed roller device 5, and passes through the fixed toothed roller 18 and The meshing action of the movable toothed roller 19 can obtain the desired particle size uniformity and improve the crushing efficiency.

The upper end of the body 1 is provided with a feeding port 6, and a baffle 10 is installed on the top of the feeding port 6. The baffle 10 prevents the material from entering the upper part of the front counterattack plate 2 when entering from the feeding port 6. The gap between the frames 1 passes through, causing material loss and reducing work efficiency. The lower end of the body 1 is provided with a discharge port 29 .

The spring adjusting device 11 includes a connecting rod 12, a mounting seat 13, a spring 14 and an adjusting nut 15. The mounting seat 13 is fixedly mounted on the body 1, and one end of the connecting rod 12 extends into the body 1 and is connected to the body 1 through a pin shaft. On the front counterattack plate 2 and the rear counterattack plate 3, the other end of the connecting rod 12 extends out of the body 1 through the mounting seat 13, and an adjusting nut 15 is provided on the connecting rod 12, between the adjusting nut 15 and the mounting seat 13 A spring is provided, and the two ends of the spring 14 are respectively connected with the adjusting nut 15 and the mounting seat 13 as a whole. The spring adjusting device 11 can adjust the distance between the counterattack plate and the rotor assembly 4 to improve the crushing effect. , According to the size of the material, the elastic adjustment is carried out, which reduces the damage of the crusher and reduces the maintenance cost.

The body 1 is provided with a movable groove 24, the second bearing seat 22 can be installed in the movable groove 24 in a horizontal sliding manner, and the two ends of the movable toothed roller shaft 21 are respectively connected with one end of two elastic hydraulic rods 26, The other end of the elastic hydraulic rod 26 is connected to the body 1 through the fixed block 25. The elastic hydraulic rod 26 expands and contracts in the same direction as the movable groove 24. The elastic hydraulic rod 26 can adjust the distance between the fixed toothed roller 18 and the movable toothed roller 19. , so that the second bearing seat 22 slides relatively in the movable groove 24 to improve the crushing effect. When crushing, according to the difference in the size and hardness of the material, the elasticity is adjusted, which reduces the damage of the crusher, reduces the maintenance cost, and meets the production demand. .

The fixed toothed roller 18 and the movable toothed roller 19 are engaged with each other, and the fixed toothed roller shaft 20 and the movable toothed roller shaft 21 are on the same horizontal plane, which makes it easier for materials to enter the crushing toothed roller device 5, and the crushing effect is better.

A first transmission gear 27 and a second transmission gear 28 are respectively installed at one end of the fixed toothed roller shaft 20 and the movable toothed roller shaft 21 on the outside of the body 1, and the first transmission gear 27 and the second transmission gear 28 are meshed with each other, and are formed by Servo motor drive.

The mounting seat 13 is provided with a positioning groove 131 , the depth of the positioning groove 131 accommodates at least one spring 14 , the diameter of the positioning groove 131 matches the outer diameter of the spring 14 , and the side of the positioning groove 131 is provided with a fixing hole 132 , the bottom end of the spring 14 is clamped in the positioning groove 131, and the end of the bottom end is inserted into the fixing hole 132 to fix the spring 14. The diameter of the fixing hole 132 is an interference fit with the end of the spring 14, so that the spring 14 is sleeved in the connecting After the rod 12 is mounted, the end of the bottom end of the spring 14 can be inserted into the fixing hole 132 and will not slip off when the adjusting nut 15 rotates.

In the embodiment of the present application, the material enters the interior of the body 1 from the feeding port 6 and falls on the rotor frame 7 . The rotor frame 7 rotates at a high speed. When the material enters the action area of the hammer head 8, it will interact with the hammer head on the rotor frame 7 8 is impacted and broken, the hammer head 8 throws the material to the front counterattack plate 2 and the rear counterattack plate 3 to break again, and then bounces from the counterattack liner back to the action area of the hammer head 8 to be crushed again, and the crushed material enters the crushing teeth again. The roller device 5, after the engagement of the fixed toothed roller 18 and the movable toothed roller 19, comes out from the discharge port 29, and through the spring adjustment device 11 and the elastic hydraulic rod 24, the distance between the counterattack plate and the rotor assembly 4 is adjusted. The distance between the fixed toothed roller 18 and the movable toothed roller 19 is adjusted to improve the crushing effect. When crushing, according to the difference in the size and hardness of the material, the elasticity is adjusted, which reduces the damage of the crusher and reduces the maintenance cost. The desired particle size uniformity meets production requirements.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this, and all other embodiments obtained by those of ordinary skill in the art without creative work shall cover within the scope of protection of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (7)

1. A material crusher, characterized in that it comprises a body (1), a front impact plate (2), a rear impact plate (3), a rotor assembly (4) and a crushing tooth roller device (5), the body (1) A front impact plate (2) and a rear impact plate (3) are installed inside, the front impact plate (2) is above the rear impact plate (3), and a front impact plate (2) is installed on the front impact plate (2). A contrast plate (16), a rear contrast plate (17) is installed on the rear impact plate (3), the front contrast plate (16) and the rear contrast plate (17) are in a zigzag shape, and the front impact plate (2) ) and the rear impact plate (3) are correspondingly provided with a set of spring adjustment devices (11). The toothed roller device (5) is installed below the rotor assembly (4); The rotor assembly (4) includes a main shaft (6), a rotor frame (7) and a hammer head (8), the main shaft (6) is driven by a driving device, and a rotor frame is sleeved on the main shaft (6) (7), a plurality of hammer heads (8) are installed on the rotor frame (7), and the front counter lining plate (16) and the rear counter lining plate (17) are respectively arranged on the front counterattack plate (2) and the rear counterattack plate (3) the side that is closer to the hammer head (8); The crushing toothed roller device (5) comprises a fixed toothed roller (18) and a movable toothed roller (19) that cooperate with each other, and the fixed toothed roller shafts (20) on both sides of the fixed toothed roller (18) pass through the first bearing seat (22) is fixedly connected to the body (1), and the movable toothed roller shafts (21) on both sides of the movable toothed roller (19) are movably connected to the body (1) through the second bearing seat (23). 2. The material crusher according to claim 1, characterized in that, the upper end of the body (1) is provided with a feeding port (9), and a baffle plate (10) is installed on the top of the feeding port (9), The lower end of the body (1) is provided with a discharge port (29). 3. The material crusher according to claim 1, characterized in that, the spring adjusting device (11) comprises a connecting rod (12), a mounting seat (13), a spring (14) and an adjusting nut (15), and the mounting The seat (13) is fixedly installed on the body (1), and one end of the connecting rod (12) extends into the body (1) and is connected to the front counterattack plate (2) and the rear counterattack plate (3) through a pin shaft rotation The other end of the connecting rod (12) extends out of the body (1) through the mounting seat (13), the connecting rod (12) is provided with an adjusting nut (15), and the adjusting nut (15) is connected to the mounting seat (13). A spring is arranged between the two ends of the spring (14), and the two ends of the spring (14) are respectively connected with the adjusting nut (15) and the mounting seat (13) as a whole. 4. The material crusher according to claim 1, wherein a movable groove (24) is provided on the body (1), and the second bearing seat (23) can be horizontally slidably installed in the movable groove (24). 24), the two ends of the movable toothed roller shaft (21) are respectively connected with one end of two elastic hydraulic rods (26), and the other end of the elastic hydraulic rod (26) is connected with the body (1) through the fixing block (25) , the expansion and contraction direction of the elastic hydraulic rod (26) is consistent with the direction of the movable groove (24). 5. The material crusher according to claim 1, wherein the fixed toothed roller (18) and the movable toothed roller (19) are engaged with each other, and the fixed toothed roller shaft (20) and the movable toothed roller shaft (21) ) on the same level. 6. The material crusher according to claim 1, characterized in that a first transmission gear ( 27) and the second transmission gear (28), and the first transmission gear (27) and the second transmission gear (28) mesh with each other and are driven by a servo motor. 7. The material crusher according to claim 3, wherein a positioning groove (131) is provided on the mounting seat (13), and a fixing hole (132) is provided on the side of the positioning groove (131), The bottom end of the spring (14) is clamped in the positioning groove (131), and the end of the bottom end is inserted into the fixing hole (132) to fix the spring (14).

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