阅读说明：本技术 一种单齿辊破碎机的破碎机构及单齿辊破碎机 (Crushing mechanism of single-toothed-roller crusher and single-toothed-roller crusher ) 是由 刘惠文 张伟华 孙亚南 刘近军 刘利 王继坤 张亿良 张克柱 冉磊 吴德宝 于 2019-10-24 设计创作，主要内容包括：一种单齿辊破碎机的破碎机构及单齿辊破碎机,属于破碎设备技术领域。其特征在于：破碎齿(6)沿主轴(3)的轴线方向间隔均布有多组,每组破碎齿(6)均包括环绕主轴(3)设置的多个,每相邻的两组破碎齿(6)的间距为320~340mm,篦板(5)设置在主轴(3)下侧,并与主轴(3)相对转动设置,每组破碎齿(6)的两侧均间隔设置有篦板(5)。本单齿辊破碎机的在主轴长度一定的情况下减少了破碎齿的组数,而又不会影响破碎机构的破碎效率,降低了破碎机构的生产成本,此外由于破碎齿之间间隔增大,因此降低了主轴中部的破碎阻力,主轴端部的物料会增多,也使破碎齿的磨损更加均匀,提高了破碎齿的利用率。(The crushing mechanism of the single-toothed roller crusher and the single-toothed roller crusher belong to the technical field of crushing equipment and are characterized in that a plurality of groups of crushing teeth (6) are uniformly distributed at intervals along the axis direction of a main shaft (3), each group of crushing teeth (6) comprises a plurality of crushing teeth arranged around the main shaft (3), the distance between every two adjacent groups of crushing teeth (6) is 320 ~ 340mm, a grid plate (5) is arranged on the lower side of the main shaft (3) and is in relative rotation with the main shaft (3), and grid plates (5) are arranged on two sides of each group of crushing teeth (6) at intervals.)

1. The crushing mechanism of the single-toothed-roller crusher is characterized by comprising a main shaft (3), crushing teeth (6) and grid plates (5), wherein multiple groups of crushing teeth (6) are uniformly distributed at intervals along the axis direction of the main shaft (3), each group of crushing teeth (6) comprises multiple groups arranged around the main shaft (3), the interval between every two adjacent groups of crushing teeth (6) is 320 ~ 340mm, the grid plates (5) are arranged on the lower side of the main shaft (3) and are arranged in a manner of rotating relative to the main shaft (3), and the grid plates (5) are arranged on two sides of each group of crushing teeth (6) at intervals.

2. The crushing mechanism of a single-tooth roller crusher according to claim 1, characterized in that: in every two adjacent groups of the crushing teeth (6), each crushing tooth (6) is positioned in the middle of two adjacent crushing teeth (6).

3. The crushing mechanism of a single-tooth roller crusher according to claim 1 or 2, characterized in that: the distance between every two adjacent groups of crushing teeth (6) is 330 mm.

4. The crushing mechanism of a single-toothed roller crusher according to claim 1, wherein the distance between each group of crushing teeth (6) and the adjacent grid plates (5) on two sides thereof is 15 ~ 25 mm.

5. The crushing mechanism of a single-tooth roller crusher according to claim 1, characterized in that: the distance between each group of crushing teeth (6) and the adjacent grate plates (5) at the two sides of each group of crushing teeth is 20 mm.

6. The crushing mechanism of a single-tooth roller crusher according to claim 1, characterized in that: the main shaft (3) is cylindrical, and a cooling pipe (7) is arranged in the middle of the main shaft (3).

7. The crushing mechanism of a single-tooth roller crusher according to claim 1, characterized in that: one side of the grate plate (5) close to the corresponding crushing teeth (6) is provided with a mounting opening, multiple layers of wear-resistant layers (10) are arranged in the mounting opening, a mounting plate (11) is arranged on the lower side of each layer of wear-resistant layer (10), the wear-resistant layers (10) are connected with the mounting plates (11) adjacent to the lower sides of the wear-resistant layers, and the mounting plates (11) or the wear-resistant layers (10) are connected with the grate plate (5).

8. The crushing mechanism of a single-tooth roller crusher according to claim 7, characterized in that: the upside of mounting panel (11) be provided with the surfacing layer, form wearing layer (10).

9. The crushing mechanism of a single-tooth roller crusher according to claim 7 or 8, characterized in that: the mounting plate (11) is a steel plate, and the mounting plate (11) is welded with the grate plate (5).

10. A single-roll crusher, characterized by comprising a crusher main body, a power device and a crushing mechanism as claimed in any one of claims 1 ~ 9, wherein the crushing mechanism is arranged in the crusher main body, and a power output end of the power device is connected with a main shaft (3) and drives the main shaft to rotate.

Technical Field

A crushing mechanism of a single-toothed-roller crusher and the single-toothed-roller crusher belong to the technical field of crushing equipment.

Background

A single-roller crusher is generally used for crushing sinter, and a shear type single-roller crusher is generally adopted in China at present. The main shaft, water pipe, fixed grid plate and transmission speed reducing mechanism, the grid plate is fixed and set below the crusher, and the crushing teeth rotate in the interval between the grid plates. The crushing tooth crown is formed by overlaying or embedding heat-resistant and wear-resistant materials. The crushing teeth of the crusher are matched with the grate plate to realize shearing type crushing, and the crushing teeth are usually arranged on the main shaft and rotate along with the main shaft.

The crushing teeth are usually uniformly distributed in multiple groups at intervals along the axial direction of the main shaft, each group of crushing teeth comprises a plurality of crushing teeth uniformly distributed at intervals around the main shaft, the distance between every two connected groups of crushing teeth is 280 ~ 310mm, and the conventional crusher has the following problems that when two materials are fed into the crusher, the middle material is usually more, the materials on two sides are less, the crushing teeth in the middle of the main shaft are seriously abraded, the crushing teeth at two ends of the main shaft are slightly abraded, and the utilization rate of the crushing teeth is low.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the crushing mechanism of the single-toothed-roller crusher and the single-toothed-roller crusher can increase the distance between the crushing teeth, further reduce the number of teeth of the crushing teeth and cannot influence the crushing speed.

The crushing mechanism of the single-toothed-roller crusher is characterized by comprising a main shaft, a plurality of groups of crushing teeth and a grid plate, wherein the crushing teeth are uniformly distributed at intervals along the axis direction of the main shaft, each group of crushing teeth comprises a plurality of crushing teeth arranged around the main shaft, the interval between every two adjacent groups of crushing teeth is 320 ~ 340mm, the grid plate is arranged on the lower side of the main shaft and is arranged in a manner of rotating relative to the main shaft, and the grid plate is arranged on two sides of each group of crushing teeth at intervals.

Preferably, in each two adjacent groups of the crushing teeth, each crushing tooth is positioned in the middle of the two adjacent crushing teeth.

Preferably, the spacing between every two adjacent groups of crushing teeth is 330 mm.

Preferably, the distance between each group of crushing teeth and the adjacent grid plates on two sides of each group of crushing teeth is 15 ~ 25 mm.

Preferably, the distance between each group of crushing teeth and the adjacent grate plates on two sides of each group of crushing teeth is 20 mm.

preferably, the main shaft is cylindrical, and a cooling pipe is arranged in the middle of the main shaft.

Preferably, one side of the grate plate close to the corresponding crushing teeth is provided with a mounting opening, a plurality of layers of wear-resistant layers are arranged in the mounting opening, the lower side of each layer of wear-resistant layer is provided with a mounting plate, the wear-resistant layers are connected with the mounting plates adjacent to the lower sides of the wear-resistant layers, and the mounting plates or the wear-resistant layers are connected with the grate plate.

Preferably, the upper side of the mounting plate is provided with a surfacing layer to form the wear-resistant layer.

Preferably, the mounting plate is a steel plate and is welded with the grate plate.

A single roll crusher, characterized in that: the crushing mechanism is arranged in the crusher body, and the power output end of the power device is connected with the main shaft and drives the main shaft to rotate.

Compared with the prior art, the invention has the beneficial effects that:

1. This crushing mechanism of single tooth roller crusher is through the interval of the adjacent two sets of broken teeth of increase to reduce the group number of broken tooth under the certain circumstances of main shaft length, and can not influence the crushing efficiency of crushing mechanism, the manufacturing cost of crushing mechanism has been reduced, in addition because the interval increases between the broken tooth, consequently, the broken resistance at main shaft middle part has been reduced, the material of main shaft tip can increase, also make the wearing and tearing of broken tooth more even, the utilization ratio of broken tooth has been improved, the life of crushing mechanism has also been improved to a certain extent.

2. Every broken tooth is located rather than between the two adjacent broken teeth to when this broken tooth cooperatees with the comb board that corresponds and to the material breakage, can also make the material to the direction disturbance rather than two adjacent broken teeth, avoid broken tooth too closely to lead to the material to be difficult to quick replenishment to between broken tooth and the comb board that corresponds, improved crushing efficiency.

3. When the distance between every two adjacent groups of crushing teeth is 300mm, ten groups of crushing teeth are usually arranged along the axial direction of the main shaft, and when the distance between every two adjacent crushing teeth is increased to 330mm, one group of crushing teeth can be reduced just, so that the crushing resistance is reduced, and the speed reducer and the driving motor are protected.

4. The distance between the crushing teeth and the grate plate adjacent to the crushing teeth is 15 ~ 25mm, so that not only can the crushing granularity be ensured, but also the service life of the crushing teeth can be ensured.

5. The distance between the crushing teeth and the adjacent grate plate is 20mm, and the application range is wide.

6. The cooling tube can cool down the main shaft, can also cool down broken tooth, avoids the main shaft and the performance of heat influence main shaft and broken tooth that produces with broken tooth and material friction.

7. The grate plate is provided with the mounting hole, the wear-resistant layer or the mounting plate is connected with the grate plate, the wear-resistant layer is provided with multiple layers, the thickness of the wear-resistant layer can be guaranteed, the service life of the grate plate is further guaranteed, the problem that the wear-resistant layer is too large in thickness and easy to fall off is solved, and the service life of the grate plate is greatly prolonged.

8. The upside of mounting panel sets up the surfacing layer, forms the wearing layer, and the wearing layer is installed on the comb board, all links to each other with the comb board when wearing layer and mounting panel, has solved and has simply relied on the wearing layer to link to each other with the comb board and lead to the problem that the wearing layer easily drops.

9. The mounting plate is a steel plate, which not only facilitates the connection with the wear-resistant layer, but also facilitates the fixed connection with the grid plate.

10. The single-roller crusher increases the distance between two adjacent groups of crushing teeth, further reduces the number of groups of crushing teeth, does not influence the crushing efficiency, reduces the production cost of the crusher, and greatly reduces the subsequent maintenance cost.

Drawings

Fig. 1 is a schematic front sectional view of a single-tooth roller crusher.

Fig. 2 is a front view of the grid plate.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure: 1. the crushing machine comprises a crushing motor 2, a speed reducer 3, a main shaft 4, a bearing seat 5, a grate plate 6, crushing teeth 7, a cooling pipe 8, a water inlet pipe 9, a water outlet pipe 10, a wear-resistant layer 11 and a mounting plate.

Detailed Description

FIG. 1 ~ 3 shows a preferred embodiment of the present invention, which is further described below with reference to FIG. 1 ~ 3.

The utility model provides a crushing mechanism of single toothed roller crusher, including main shaft 3, broken tooth 6 and comb plate 5, broken tooth 6 has the multiunit along the axis direction interval equipartition of main shaft 3, every broken tooth 6 of group all includes a plurality of that set up around main shaft 3, the interval of every adjacent two sets of broken tooth 6 is 320 ~ 340mm, comb plate 5 sets up in main shaft 3 downside, and rotate the setting relatively with main shaft 3, the both sides of every broken tooth 6 of group are all provided with comb plate 5 at the interval, this crushing mechanism of single toothed roller crusher is through the interval of increasing adjacent two sets of broken tooth 6, thereby reduced the group number of broken tooth 6 under the certain circumstances of main shaft 3 length, and can not influence crushing mechanism's crushing efficiency, the manufacturing cost of crushing mechanism has been reduced, in addition because the interval increases between the broken tooth 6, consequently, the broken resistance in the middle part of main shaft 3 has been reduced, the material of main shaft 3 tip can increase, also make the wearing and tearing of broken tooth 6 more even, the utilization ratio of broken tooth 6 has been improved, the life of broken tooth is also improved to a certain extent.

The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.

Specifically, the method comprises the following steps: as shown in fig. 1: the main shaft 3 is horizontally arranged, the main shaft 3 is cylindrical, the middle of the main shaft 3 is provided with a cooling pipe 7, and the cooling pipe 7 is connected with the main shaft 3. The right-hand member of cooling tube 7 is connected with inlet tube 8 through rotary joint, and the left end of cooling tube 7 is connected with outlet pipe 9 through rotary joint, makes the cooling water in the cooling tube 7 flow through inlet tube 8 and outlet pipe 9 to reduce the temperature to broken tooth 6 on main shaft 3 and the main shaft 3, avoid main shaft 3 and broken tooth 6 to make its high temperature with the heat that material friction produced, influence the intensity of main shaft 3 and broken tooth 6.

The crushing teeth 6 are arranged at intervals along the axial direction of the main shaft 3, in the embodiment, fourteen groups of crushing teeth 6 are uniformly distributed at intervals along the axial direction of the main shaft 3, the distance between every two adjacent groups of crushing teeth 6 is 320 ~ 340mm, preferably, nine groups of crushing teeth 6 are uniformly distributed at intervals along the axial direction of the main shaft 3, the distance between every two adjacent groups of crushing teeth 6 is 330mm, when the length of the main shaft 3 is fixed, nine groups of crushing teeth 6 can be arranged when the distance between every two adjacent groups of crushing teeth 6 is 330mm, ten groups of crushing teeth need to be arranged when the distance between every two adjacent groups of crushing teeth 6 is 300mm, and one group of crushing teeth 6 is just reduced by increasing the distance between the crushing teeth 6.

Every broken tooth 6 of group all includes a plurality of the interval equipartitions that encircle main shaft 3, and in every adjacent two sets of broken teeth 6, every broken tooth 6 all is located rather than the middle part of two adjacent broken teeth 6 to produce the disturbance to the material when the breakage, improve crushing speed, can also avoid because broken tooth is too close to lead to unable broken to the bold material.

The grid plates 5 are arranged on the lower side of the main shaft 3, a plurality of grid plates 5 are uniformly distributed at intervals along the axial direction of the main shaft 3, the grid plates 5 are arranged on two sides of each group of crushing teeth 6 at intervals, the crushing teeth 6 are matched with the grid plates adjacent to the two sides of the crushing teeth 6 to crush materials, in the embodiment, fifteen grid plates 5 are arranged at intervals, the distance between each grid plate 5 and the crushing teeth 6 adjacent to the grid plate is 15 ~ 25mm, preferably 20mm, and the granularity of the crushed materials can be guaranteed.

As shown in FIG. 2 ~ 3, the grate plate 5 is provided with mounting ports, multiple wear-resistant layers 10 are arranged in the mounting ports, the lower side of each wear-resistant layer 10 is provided with a mounting plate 11, the wear-resistant layer 10 is connected with the mounting plate 11 adjacent to the lower side of the wear-resistant layer, the mounting plate 11 or the wear-resistant layer 10 is connected with the grate plate 5, the grate plate 5 is provided with the mounting ports, the wear-resistant layer 10 or the mounting plate 11 is connected with the grate plate 5, and the wear-resistant layers 10 are provided with multiple layers, so that the thickness of the wear-resistant layer 10 can be ensured, the service life of the grate plate 5 is further ensured, the problem that the wear-resistant layer 10 is easy to fall off due to overla.

the upper side of the grid plate 5 is provided with a mounting port with an upward opening, the mounting port is a cuboid, the mounting ports are arranged on the grid plate 5 according to the requirement, in the embodiment, two mounting ports are arranged side by side,

All be provided with multilayer wearing layer 10 along the depth direction of installing port in every installing port, wearing layer 10 level sets up, and the downside of every layer of wearing layer 10 all is provided with horizontally mounting panel 11, wearing layer 10 and 11 fixed connection of mounting panel, and wearing layer 10 and mounting panel 11 all set up in the installing port to link to each other with the installing port that corresponds.

In the present embodiment, the mounting plate 11 is a rectangular parallelepiped steel plate, and a build-up welding layer, that is, the wear-resistant layer 10, is formed by build-up welding on the upper side of the mounting plate 11. The mounting plate 11 corresponds to the wear-resistant layers 10 one by one, and the mounting plate 11 is welded with the grate plate 5, so that the thickness of the wear-resistant layers 10 can be ensured, and the wear-resistant layers 10 can be prevented from falling off.

The wear-resistant layer 10 of the grid plate 5 is arranged as follows: firstly, according to the size of an installation opening on a grate plate 5, a steel plate is cut to form an installation plate 11, then, overlaying is carried out on the upper side of the installation plate 11 to form a wear-resistant layer 10, after the wear-resistant layer 10 is formed, the installation plate with the wear-resistant layer 10 is placed into the installation opening, the installation plate 11 is arranged downwards, after the installation plate 11 on the lower side is firmly welded with the grate plate 5, the next wear-resistant layer 10 is placed until the wear-resistant layer 10 is flush with the upper side of the grate plate 5. The multiple wear-resistant layers 10 are arranged side by side along the depth direction of the mounting opening, and after the outer wear-resistant layer 10 is worn, the inner wear-resistant layer 10 can support the grate plate 5 for continuous use.

Both ends of the wear-resistant layer 10 and the mounting plate 11 are welded with the corresponding sides of the mounting openings, so that the mounting plate 11, the wear-resistant layer 10 and the grate plate 5 are firmly combined, the mounting plate 11, the wear-resistant layer 10 and the grate plate 5 are convenient to connect, and the mounting plate 11 on the upper layer falls off and cannot influence the connection between the mounting plate 11 on the lower layer and the grate plate 5.

As shown in fig. 1: the invention also provides a crusher, which comprises a crusher main body, a power device and the crushing mechanism, wherein the crushing mechanism is arranged in the crusher main body, and the power output end of the power device is connected with the main shaft 3 and drives the main shaft to rotate. The main shaft 3 is rotatably arranged on the crusher main body through bearing seats 4 at two ends, the grid plate 5 is fixedly connected with the crusher main body, and the grid plate 5 is arranged at the lower part of the crusher main body.

The power device comprises a crushing motor 1 and a speed reducer 2, wherein the crushing motor 1 is arranged on the left side of a main shaft 3, the speed reducer 2 is arranged between the crushing motor 1 and the main shaft 3, an output shaft of the crushing motor 1 is connected with an input shaft of the speed reducer 2, and an output shaft of the speed reducer 2 is connected with the main shaft 3, so that the main shaft 3 is driven to rotate. The water inlet pipe 8 and the water outlet pipe 9 are both arranged on the crusher main body.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.