Spherical particle agglomerate crushing device

Abstract

The utility model relates to the field of double-roller crushing equipment, and discloses a spherical particle agglomerate crushing device which comprises crushing rollers, a rack and a driving module for driving the crushing rollers to rotate, a box body is arranged on the rack; the box body is provided with a feeding hole; the crushing rollers are symmetrically arranged in the box body and are rotationally connected with the box body; the crushing roller is provided with a plurality of tooth grooves; a first angle and a second angle are formed between the tooth grooves and the edge of the crushing roller; the angle of the first angle ranges from 80 degrees to 100 degrees; the second angle is an obtuse angle; the second angle is located in front of the first angle in the rotating direction of the crushing roller; and when the multiple crushing rollers rotate oppositely and gradually get close to the feeding opening, the tooth grooves of the multiple crushing rollers are gradually away from each other. According to the crushing device, spherical particle agglomerates can be crushed without damaging the spherical morphology, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of double-roll crushing equipment, in particular to a crushing device for spherical particle sintered blocks. Background Art

[0002] At present, in the fields of powder metallurgy, chemical engineering, and food, the use of spray dryers is very common. This new type of equipment that can quickly obtain dried spherical particles is highly favored by enterprises. However, the spherical particle powder obtained by spray drying is only simply bonded and needs to be sintered at high temperature to obtain spherical particle powder with high strength. During the sintering process, the spherical particle powder will agglomerate into a material block. Although the material block can be broken into small particles through physical actions such as extrusion, collision, and shearing, the spherical particles will be broken; moreover, these devices can only provide staged crushing processing, that is, first break the relatively large material block into small particles, and the small particles can only obtain micron-sized particles through fine crushing processing and grinding processing. And the spherical particle powder obtained by the spray dryer is basically micron-sized. The above production process has a long flow, involves many designed devices, and it is very easy to introduce a large amount of impurities between each process, seriously affecting the quality of the spherical particle powder.

[0003] CN201420362185 discloses a double-roll crusher for agglomerated powder materials, including a frame. A feed hopper, a crushing roll, a motor, a scraping device, and a guide plate are fixedly arranged on the frame. The feed hopper is fixedly arranged above the crushing roll, the guide plate is obliquely arranged below the crushing roll, the crushing roll includes a driving roll and a driven roll. The two ends of the driving roll and the two ends of the driven roll are respectively fixed in the middle of the frame through bearings. One end of the driving roll is connected to the motor through a pulley, and the other end is meshed with the driven roll through a gear. The scraping device includes two scraping plates, and the two scraping plates are obliquely arranged on both sides of the crushing roll for scraping the materials adhered to the driving roll and the driven roll. The bearings at both ends of the driving roll are fixed on the frame, and the bearings at both ends of the driven roll are fixed on the frame through adjusting bolts. The adjusting bolts at both ends of the driven roll are used to adjust the distance between the driving roll and the driven roll. This crusher can scrape the materials on the crushing roll through the scraping plates and can adjust the gap between the two rolls. However, the spherical structure of the particles will be damaged by the way of double-roll extrusion.

[0004] The technical problem to be solved by the utility model is: to perform crushing treatment on the spherical particle sintered block without damaging the spherical morphology, and achieve the purpose of directly crushing the sintered block into spherical particles by one device. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a spherical particle sintered block crushing device, the left crushing roller rotates counterclockwise, and the right crushing roller rotates clockwise, so that the first angle crushes the sintered block toward the top but does not squeeze the sintered block, thereby achieving the goal of crushing the sintered block into micron-sized particles while maintaining a spherical shape.

[0006] To achieve the above objectives, the technical solutions adopted in this application are:

[0007] A spherical particle sintered block crushing device comprises a crushing roller, a frame, and a driving module for driving the crushing roller to rotate; the frame is provided with a box; the box is provided with a feed port; the crushing roller is symmetrically arranged in the box and is rotatably connected to the box; the crushing roller is provided with a plurality of tooth grooves; the tooth grooves and the edge of the crushing roller form a first angle and a second angle; the angle of the first angle is 80° to 100°; the second angle is an obtuse angle; along the rotation direction of the crushing roller, the second angle is located in front of the first angle;

[0008] The multiple crushing rollers rotate towards each other and when gradually approaching the feed inlet, the tooth grooves of the multiple crushing rollers gradually move away from each other.

[0009] Preferably, a feed hopper is provided on the top of the box body; the feed hopper is connected to the feed port; a discharge bin is provided at the bottom of the box body; the discharge bin is located directly below the feed hopper.

[0010] Preferably, a first baffle is provided at both ends of the crushing roller; the first baffle is used to prevent the sintered block from entering the interior of the crushing roller; a symmetrically arranged second baffle is provided on the top of the box body; the end of the second baffle extends above the crushing roller; the second baffle is used to prevent the sintered block from passing through the gap between the crushing roller and the box body.

[0011] Preferably, the length of the second baffle is equal to the length of the crushing roller.

[0012] Preferably, it also includes a gap adjustment module for adjusting the distance between the crushing rollers; the gap adjustment module is arranged on the frame.

[0013] Preferably, the gap adjustment module includes an adjusting nut, an adjusting screw, a spring and a bearing seat; the frame is provided with an adjusting seat; the adjusting screw is connected to the adjusting seat; one end of the adjusting screw is connected to the bearing seat; the spring is sleeved on the adjusting screw, and the adjusting nut is arranged at the other end of the adjusting screw and is located on the side of the adjusting seat away from the bearing seat; the bearing seat is rotatably connected to the crushing roller.

[0014] Preferably, the driving module comprises a synchronous belt and a motor; the motor is drivingly connected to the crushing roller via the synchronous belt.

[0015] Preferably, the depth of the tooth groove is 1.5 mm to 3.5 mm.

[0016] Preferably, the box body is made of stainless steel; the crushing rollers are made of alumina ceramics or Cr12 tool steel.

[0017] Compared with the prior art, the present solution has the following beneficial effects:

[0018] 1. In the spherical particle sintered block crushing device of this case, the left crushing roller rotates counterclockwise and the right crushing roller rotates clockwise. The first angle in the tooth groove frictionally crushes the spherical particle sintered block. Due to the rotation direction of the crushing rollers, the particles are driven towards the top of the box body by the crushing rollers, thus avoiding the particles being squeezed by the crushing rollers and damaging the spherical shape of the particles. Moreover, micron-level crushing can be achieved through one process, reducing the number of processes and improving efficiency.

[0019] 2. In the spherical particle sintered block crushing device of this case, the first baffle can prevent the particles from falling into the inside of the crushing roller, and the second baffle can prevent the particles from sliding from the top to the side of the crushing roller and falling into the discharge port.

[0020] 3. The spherical particle sintered block crushing device of this case is provided with a gap adjustment module, which can adjust the distance between the first crushing roller and the second crushing roller, thereby adjusting the diameter of the crushed particles. Description of the Drawings

[0021] Figure 1 Is the front view of the spherical particle sintered block crushing device of Embodiment 1;

[0022] Figure 2 Is of Embodiment 1 Figure 1 The cross-sectional view taken along A-A in;

[0023] Figure 3 Is the cross-sectional view of the spherical particle sintered block crushing device of Embodiment 1;

[0024] Figure 4 Is of Embodiment 1 Figure 3 The partial enlarged view of A in.

[0025] Among them, the crushing roller 1; the frame 2; the drive module 3; the box body 21; the feed inlet 211; the tooth groove 4; the first angle 41; the second angle 42; the feed hopper 22; the discharge bin 23; the first baffle 11; the second baffle 24; the gap adjustment module 5; the adjusting nut 51; the adjusting screw 52; the spring 53; the bearing seat 54; the adjusting seat 25. Detailed Implementation Modes

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, rather than all of them. The components implemented in this application described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0027] Embodiment 1

[0028] Reference Figures 1-4 , a spherical particle sintered block crushing device, comprising a crushing roller 1, a frame 2, and a driving module 3 for driving the crushing roller 1 to rotate; a box body 21 is provided on the frame 2; the box body 21 is provided with a feed inlet 211; the crushing rollers 1 are symmetrically arranged in the box body 21 and are rotatably connected to the box body 21; the crushing roller 1 is provided with a plurality of tooth grooves 4; the tooth grooves 4 form a first angle 41 and a second angle 42 with the edge of the crushing roller 1; the angle of the first angle 41 is 80° - 100°; the second angle 42 is an obtuse angle; along the rotation direction of the crushing roller 1, the second angle 42 is located in front of the first angle 41;

[0029] When the plurality of crushing rollers 1 rotate towards each other and gradually approach the feed inlet 211, the tooth grooves 4 of the plurality of crushing rollers 1 gradually move away from each other.

[0030] In this embodiment, the specific working process of this spherical particle sintered block crushing device is as follows: Start the driving module 3, the driving module 3 drives the crushing roller 1 to rotate, and when viewed from the front, the crushing roller 1 on the left rotates counterclockwise, and the crushing roller 1 on the right rotates clockwise. In other words, the closer to the feed inlet 211, the greater the distance between the tooth grooves 4 in the two crushing rollers 1. Then, the spherical particle sintered block can be put into the feed inlet 211, and the first angle 41 in the tooth groove 4 will rub against the spherical particle sintered block, thereby directly scraping off micron-sized spherical particles from the spherical particle sintered block, and the scraped micron-sized spherical particles will fall between the two crushing rollers 1.

[0031] It should be noted that this spherical particle sintered block crushing device makes the two crushing rollers 1 move towards each other, and the rotation direction of the two crushing rollers 1 is from the discharge bin 23 towards the feed inlet 211 and then rotates to both sides, so that the crushing roller 1 and the spherical particle sintered block achieve friction scraping and crushing instead of extrusion crushing, so that individual spherical particles are separated from the spherical particle sintered block, and micron-sized spherical particles are obtained in one step, improving production efficiency.

[0032] Preferably, a feed hopper 22 is provided at the top of the box body 21; the feed hopper 22 is communicated with the feed inlet 211; a discharge bin 23 is provided at the bottom of the box body 21; the discharge bin 23 is located directly below the feed hopper 22.

[0033] In this embodiment, the feed hopper 22 facilitates the feeding by the staff and can prevent the spherical particle sintered blocks from falling to the ground and causing pollution. The discharge bin 23 facilitates the storage and transportation of the spherical particles by the staff using a transport vehicle.

[0034] Preferably, first baffles 11 are provided at both ends of the crushing roller 1; the first baffles 11 are used to prevent the sintered blocks from entering the inside of the crushing roller 1; symmetrically arranged second baffles 24 are provided at the top of the box body 21; the ends of the second baffles 24 extend above the crushing roller 1; the second baffles 24 are used to prevent the sintered blocks from passing through the gap between the crushing roller 1 and the box body 21.

[0035] In this embodiment, in order to prevent the spherical particle sintered blocks from entering the discharge bin 23 from the side of the box body 21 without being broken, second baffles 24 are provided at the top of the box body 21. The second baffles 24 extend above the crushing roller 1, are close to the crushing roller 1 but do not contact the crushing roller 1. The distance between the end of the second baffle 24 and the crushing roller 1 only needs to be less than the minimum length of the spherical particle sintered blocks, so as to prevent the spherical particle sintered blocks from passing through the gap between the end of the second baffle 24 and the crushing roller 1. The first baffle 11 can prevent the spherical particles from entering the inside of the crushing roller 1.

[0036] Preferably, the length of the second baffle 24 is equal to the length of the crushing roller 1.

[0037] In this embodiment, the second baffle 24 can prevent the spherical particle sintered blocks from moving from the top to the side due to being driven by the crushing roller 1 and then entering the discharge bin 23, so as to avoid the spherical particle sintered blocks entering the discharge bin 23 without being broken.

[0038] Preferably, a gap adjustment module 5 for adjusting the spacing between the crushing rollers 1 is further included; the gap adjustment module 5 is arranged on the frame 2. The gap between the crushing rollers 1 is adjusted through the gap adjustment module 5, so as to adjust the diameter of the particles after crushing.

[0039] Preferably, the gap adjustment module includes an adjusting nut 51, an adjusting screw 52, a spring 53 and a bearing seat 54; the frame 2 is provided with an adjusting seat 25; the adjusting screw 52 is connected to the adjusting seat 25; one end of the adjusting screw 52 is connected to the bearing seat 54; the spring 53 is sleeved on the adjusting screw 52, and the adjusting nut 51 is arranged at the other end of the adjusting screw 52 and is located on the side of the adjusting seat 25 away from the bearing seat 54; the bearing seat 54 is rotatably connected to the crushing roller 1.

[0040] In this embodiment, by rotating the adjusting nut 51, the adjusting screw 52 drives the bearing seat 54 to move, thereby adjusting the spacing of the crushing rollers 1. The specific operation process of the gap adjustment module can refer to the active roller and passive roller gap adjustment method in CN200920089492, which will not be described in detail here.

[0041] Preferably, the driving module 3 includes a synchronous belt and a motor, and the motor is connected to the crushing roller 1 through the synchronous belt. The motor drives the synchronous belt to rotate, thereby driving the crushing roller 1 to rotate.

[0042] Preferably, the depth of the tooth groove 4 is 1.5 mm to 3.5 mm, so as to ensure that the sintered block is not stuck between the teeth during the crushing process, thereby extending the service life of the crushing tooth roller.

[0043] Preferably, the box body 21 is a box body 21 made of stainless steel; the crushing roller 1 is a crushing roller 1 made of alumina ceramic or Cr12 tool steel.

[0044] In this embodiment, since the single spherical particles are crushed from the sintered block by the friction between the crushing tooth roller and the sintered block, the installed crushing tooth roller needs to have a certain wear resistance and strong hardness. Therefore, the crushing roller 1 is made of alumina ceramic or Cr12 tool steel. In order to ensure that the material is pollution-free, the box 21 is made of stainless steel.

[0045] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A spherical particle sintered block crushing device, characterized in that, The invention comprises a crushing roller, a frame, and a driving module for driving the crushing roller to rotate; the frame is provided with a box; the box is provided with a feed port; the crushing roller is symmetrically arranged in the box and is rotatably connected with the box; the crushing roller is provided with a plurality of tooth grooves; the tooth grooves and the edge of the crushing roller form a first angle and a second angle; the angle of the first angle is 80° to 100°; the second angle is an obtuse angle; along the rotation direction of the crushing roller, the second angle is located in front of the first angle; The multiple crushing rollers rotate towards each other and when gradually approaching the feed inlet, the tooth grooves of the multiple crushing rollers gradually move away from each other.

2. The spherical particle sintered block crushing device according to claim 1, characterized in that, A feed hopper is provided on the top of the box body; the feed hopper is connected with the feed port; a discharge bin is provided at the bottom of the box body; the discharge bin is located directly below the feed hopper.

3. The spherical particle sintered block crushing device according to claim 1, characterized in that, A first baffle is provided at both ends of the crushing roller; the first baffle is used to prevent the sintered block from entering the interior of the crushing roller; a symmetrically arranged second baffle is provided on the top of the box body; the end of the second baffle extends above the crushing roller; the second baffle is used to prevent the sintered block from passing through the gap between the crushing roller and the box body.

4. The spherical particle sintered block crushing device according to claim 3, characterized in that, The length of the second baffle is equal to the length of the crushing roller.

5. The spherical particle sintered block crushing device according to claim 1, wherein It also includes a gap adjustment module for adjusting the distance between the crushing rollers; the gap adjustment module is arranged on the frame.

6. The spherical particle sintered block crushing device according to claim 5, characterized in that, The gap adjustment module includes an adjusting nut, an adjusting screw, a spring and a bearing seat; the frame is provided with an adjusting seat; the adjusting screw is connected to the adjusting seat; one end of the adjusting screw is connected to the bearing seat; the spring is sleeved on the adjusting screw, and the adjusting nut is arranged at the other end of the adjusting screw and is located on the side of the adjusting seat away from the bearing seat; the bearing seat is rotatably connected to the crushing roller.

7. The spherical particle sintered block crushing device according to claim 1, characterized in that, The driving module comprises a synchronous belt and a motor; the motor is drivingly connected to the crushing roller via the synchronous belt.

8. The spherical particle sintered block crushing device according to claim 1, characterized in that, The depth of the tooth groove is 1.5 mm to 3.5 mm.

9. The spherical particle sintered block crushing device according to claim 1, characterized in that, The box body is made of stainless steel; the crushing roller is made of alumina ceramic or Cr12 tool steel.

Images