CN213000281U

CN213000281U - Horizontal impact crusher

Info

Publication number: CN213000281U
Application number: CN202021295810.1U
Authority: CN
Inventors: 周作护
Original assignee: Hunan Yuantong Heavy Industry Technology Co ltd
Current assignee: Hunan Yuantong Heavy Industry Technology Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-20
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to a horizontal impact crusher, include: the crushing cavity comprises a base, a crushing cavity shell and a driving device, wherein the crushing cavity shell and the driving device are arranged on the base; the rotor rotates along a horizontal shaft, is arranged in the crushing cavity shell and comprises a turntable A, a turntable B and a plurality of material throwing heads which are fixed between the turntable A and the turntable B and are uniformly distributed on the circumference; the feeding device comprises a feeding hopper and a material conveying chute which is communicated with the feeding hopper to the inner hole of the turntable A; the material collecting protective cover is arranged between the wear-resistant impact plate and the rotor, so that materials rebounded to the side wall of the crushing cavity can fall into the range of materials directly thrown out by the rotor under the action of the materials, the crushing process of stone breaking is completed, and the crushing rate of the horizontal impact crusher is improved; the abrasion of the directly rebounded materials to the side wall of the crushing cavity and the rotor turntable in the crushing cavity is avoided, and the service life of the whole machine is prolonged.

Description

Horizontal impact crusher

Technical Field

The utility model belongs to the technical field of engineering mechanical equipment, concretely relates to horizontal impact crusher.

Background

The sand making machine is a machine for crushing and shaping hard material, and is widely applied to the manual sand making, mine and building industries, mainly comprising a vertical shaft type sand making machine and a horizontal sand making machine, wherein an impeller of the vertical shaft type sand making machine rotates along a horizontal plane, a wheel shaft is stressed more evenly and operates more stably, the principle is that the material is fed into the impeller rotating at high speed, is thrown out and impacts a shell and rebounds under the action of high-speed centrifugal force, so that the material is positioned between the impeller and the shell to form vortex, the material is crushed by multiple high-speed impacts and frictions between the material and the material, and is finally discharged from a discharge port, because the radial dimension of the impeller is generally larger than the axial dimension of the impeller, and a larger cavity is reserved between the impeller and the shell, the whole equipment has larger occupied area and is inconvenient to use, the material is fed into the center of the impeller, the centrifugal force is gradually reduced to 0 from the, the processing efficiency is low; the axle of a rotor (namely an impeller) of the horizontal sand making machine is horizontally arranged, the rotor is positioned on a vertical plane and rotates, the occupied area of the whole equipment is small, the feeding hole of the conventional horizontal sand making machine is arranged at one axial end of the rotor, the material is thrown out by utilizing the centrifugal force action of high-speed rotation of the rotor and is collided with a counterattack plate in a crushing cavity for crushing, the rebounded material can be collided and crushed with the thrown material again and can also be rebounded between gaps between the rotor and the side wall of the crushing cavity directly, the material is easy to cause abrasion of the side wall of the crushing cavity, and the crushing rate of the whole machine is reduced because the re-crushing of stone hitting is not carried out.

SUMMERY OF THE UTILITY MODEL

Based on the not enough of above-mentioned prior art, the utility model provides a horizontal impact crusher to solve broken chamber lateral wall and easily wear and tear and cause complete machine life to shorten and reach the technical problem that the complete machine is broken low.

In order to achieve the above object, the technical solution of the present invention is: a horizontal impact crusher comprising: the crushing cavity comprises a base and a crushing cavity shell arranged on the base, wherein a wear-resistant impact plate is arranged on the inner wall of the crushing cavity shell; the rotor rotates along a horizontal shaft, is arranged in the crushing cavity shell and comprises a turntable A, a turntable B and a plurality of material throwing heads which are fixed between the turntable A and the turntable B and are uniformly distributed on the circumference; a driving device for driving the rotor to rotate; the feeding device comprises a feeding hopper and a material conveying chute which is communicated with the feeding hopper to the inner hole of the turntable A; the discharge hopper is connected with a discharge hole at the bottom of the crushing cavity shell; and the material collecting protective cover is arranged between the wear-resistant impact plate and the rotor, so that the materials rebounded to the side wall of the crushing cavity can fall into the range of the materials directly thrown out by the rotor under the action of the material collecting protective cover.

Furthermore, the aggregate protection cover is only arranged on the upper half part of the crushing cavity in the crushing cavity shell.

Furthermore, the aggregate protective cover comprises a vertical connecting plate and a transverse material carrying plate, the cross section of the connecting plate is L-shaped when the connecting plate is connected with the material carrying plate, and reinforcing rib plates distributed at intervals are arranged between the connecting plate and the material carrying plate.

Furthermore, one end, far away from the connecting plate, of the material carrying plate is provided with a bend facing the rotor.

Optionally, the aggregate protective cover comprises a vertical connecting plate, a transverse material carrying plate and a lower inclined plate, the upper end of the connecting plate is connected with one end of the lower inclined plate, and the other end of the lower inclined plate is connected with the material carrying plate.

Furthermore, the cross section of the crushing cavity is circular.

Furthermore, the aggregate protective covers are arranged on two side walls of the crushing cavity shell, and the maximum distance between each aggregate protective cover and the installed side wall is consistent with the minimum distance between the throwing head and the side wall.

Furthermore, the aggregate protection cover is formed by assembling a plurality of aggregate protection blocks.

Furthermore, the lower side edge of the base is also provided with a damping device.

Further, damping device includes bumper shock absorber, mount pad, the one end and the base of bumper shock absorber link to each other, and the other end is connected with the mount pad, one side or both sides of mount pad are equipped with the defense arch.

The utility model has the advantages that:

the utility model discloses a through in the crushing intracavity of horizontal impact crusher, wear-resisting counterattack board with the setting of the protective cover that gathers materials between the rotor, make the material that breaks through the counterattack board and rebounds can only fall into the range of the material that directly throws out from the rotor, namely the ejection of compact of rotor is within range, the crushing process of stone is accomplished to the direction formula, has improved the utility model discloses the crushing rate of horizontal impact crusher; and because the materials rebounded by the impact plate are not fed into the gap between the rotor and the side wall of the crushing cavity any more, the abrasion of the directly rebounded materials on the side wall of the crushing cavity is avoided, and the service life of the whole machine is prolonged.

Drawings

Fig. 1 is a schematic view, partly in section, of a horizontal impact crusher according to the invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a schematic structural diagram of the aggregate protection block of the present invention.

Fig. 4 is an enlarged schematic view of fig. 1 at B.

Fig. 5 is a schematic cross-sectional view of the protective cover for collecting materials according to the present invention.

Fig. 6 is another schematic cross-sectional view of the protective cover for collecting materials according to the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1 and 2, the utility model provides a horizontal impact crusher, which comprises a base 1 and a crushing cavity shell 3 arranged on the base, wherein the cross section of the crushing cavity shell 3 is circular, and a wear-resistant counterattack plate 31 is arranged on the circumferential inner wall of the inner crushing cavity; the center of the crushing cavity is provided with a rotor 2 which rotates along a horizontal shaft, specifically, the rotor 2 comprises a turntable A21, a turntable B22 and a plurality of throwing heads 23 which are fixed between the turntable A21 and the turntable B22 and are uniformly distributed on the circumference, one axial end of the rotor 2 extends out of the crushing cavity shell 3 and is in transmission connection with a driving device 4, in the embodiment, the driving device 4 is a motor and is arranged on the base 1; a feeding device is arranged at the other axial end of the rotor 2, and specifically, the feeding device comprises a feeding hopper 51 and a material conveying chute 52 for communicating the feeding hopper 51 with an inner hole 21a of the turntable a 21; the discharge port is arranged at the bottom of the crushing cavity shell 3 and is connected with a discharge hopper; furthermore, as shown in fig. 1, opposite aggregate protective covers 6 are arranged on the left side wall and the right side wall of the crushing cavity shell 3 and between the wear-resistant counterattack plate 31 and the rotor 2 to form a diversion hopper, specifically, the aggregate protective covers 6 comprise vertical connecting plates 61 and transverse material carrying plates 62, the cross sections of the connecting plates 61 and the material carrying plates 62 are connected to form an L shape as shown in fig. 4, the materials crushed and rebounded by the wear-resistant counterattack plate 31 are partially stored in an included angle of the L shape, and finally the diversion falls into the range of a discharging jet hole, namely the range of the materials directly thrown out by the rotor, so that the materials are crushed by impact again.

In this embodiment, the aggregate shield 6 is provided only in the upper half of the crushing chamber within the crushing chamber housing 3, as shown in fig. 2. Of course, the vertical connecting plate 61 and the horizontal material carrying plate 62 can also be combined into a T shape similar to a T shape rotated by 90 degrees.

Preferably, for improving the life of the protection casing 6 that gathers materials, still be equipped with interval distribution's deep floor 63 between connecting plate 61, year flitch 62, deep floor 63's setting not only makes the joint strength of the protection casing 6 that gathers materials higher, also makes the ability of gathering materials of the protection casing 6 that gathers materials stronger promptly two deep floor 63 between the region change gather materials and form the material protective layer and reduce the direct striking of material to the protection casing 6 that gathers materials, but make the material of bounce-back and the material that forms the protective layer on the protection casing 6 that gathers materials strike mutually.

As a preferred design of the scheme, the maximum distance of each aggregate protective cover 6 from the side wall on which the aggregate protective cover is arranged is consistent with the minimum distance of the throwing head 23 from the side wall, i.e., the space between the aggregate protection covers 6 on the two side walls is the same as the length of the throwing head 23, and more particularly, as shown in fig. 1, the rightmost end of the loading plate 62 of the aggregate protection cover 6 on the left side wall of the crushing cavity shell 3 is flush with the left end surface of the throwing head 23, the leftmost end of the loading plate 62 of the aggregate protection cover 6 on the right side wall of the crushing cavity shell 3 is flush with the right end surface of the throwing head 23, so that the rebounded material just falls into the range of the discharging shooting opening with the same width as the material throwing head 23 under the action of the material collecting protective cover 6, and further, the gap between the material carrying plate 62 and the rotary discs a21 and B22 is as small as possible, so as to reduce the possibility of material entering the gap between the rotor 2 and the left and right side walls of the crushing cavity shell 3.

In order to facilitate the manufacture of the aggregate protection cover 6, the aggregate protection cover 6 is assembled by a plurality of aggregate protection blocks 6a, as shown in fig. 3.

In some embodiments, the material carrying plate 62 is provided with a bend 62a facing the rotor 2 at an end thereof away from the connecting plate 61 to enhance the guiding function of the aggregate enclosure 6, as shown in fig. 5.

As a preferred design of the present scheme, the lower side edge of the base 1 is further provided with a damping device 7, specifically, the damping device 7 includes a damper 71 and a mounting seat 72, one end of the damper 71 is connected to the base 1, the other end of the damper is connected to the mounting seat 72, one side or both sides of the mounting seat 72 are provided with defense protrusions 73, in this embodiment, as shown in fig. 1 and 2, 6 damping devices 7 are provided on the base 1, wherein the protrusions 73 are provided on two adjacent sides of the mounting seat 72 at four corners of the base 1, the protrusions 73 are provided on one side of the mounting seat 72 of the other damping devices 7, and the protrusions 73 are provided to prevent the whole machine from sideslipping and shifting after the damper 71 is damaged; the damping device 7 is arranged to enhance the short retention time of the material on the aggregate protection cover 6 so as to form a stable material protection layer.

Materials enter the rotor 2 through the hopper 51, the material conveying chute 52 and the inner hole 21a and are firstly impacted by the rotating material throwing head 23 to be firstly crushed and driven to rotate at a high speed, the materials are thrown out from a gap between the material throwing head 23 and the material throwing head 23 after having centrifugal force and impact on the wear-resistant counterattack plate 31 to be crushed again, and the materials crushed and rebounded by the wear-resistant counterattack plate 31 are directly reflected and then directly impacted by the materials which are firstly crushed and are subsequently thrown out from the gap between the material throwing head 23 and the material throwing head 23 again to realize at least third crushing, or the materials can be continuously impacted by the materials which are subsequently thrown out of the rotor as long as the materials do not fall out of the material outlet to be continuously crushed; other materials crushed and rebounded by the wear-resistant impact plate 31 enter the range of the materials thrown out of the rotor again through the action of the aggregate protective cover 6, and the crushing of the stoneware is completed.

Example 2

As shown in fig. 6, the present solution is different from embodiment 1 in that the aggregate protection cover 6 has a different structure, specifically, the aggregate protection cover includes a vertical connecting plate 61 and a lower inclined plate 64, and the lower inclined plate 64 is connected to the upper end of the connecting plate 61, so that the cross section of the aggregate protection cover 6 is in an inverted v shape, and the material is rebounded by the aggregate protection cover 6 and directly enters the range of the discharging nozzle of the rotor, and does not form a material protection layer on the aggregate protection cover 6.

In some embodiments, to extend the service life of the aggregate enclosure 6, a transversely disposed load plate 62 is attached to the other end of the lower sloping plate 64 to allow the material to briefly rest on the load plate 62 of the aggregate enclosure 6 to form a material shield for the aggregate enclosure 6 and not prevent the material from eventually falling into the discharge nozzle of the rotor.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A horizontal impact crusher comprising:

the crushing device comprises a base (1) and a crushing cavity shell (3) arranged on the base, wherein a wear-resistant impact plate (31) is arranged on the inner wall of the crushing cavity shell (3);

the rotor (2) rotates along a horizontal shaft, and the rotor (2) is arranged in the crushing cavity shell (3) and comprises a rotary disc A (21), a rotary disc B (22) and a plurality of throwing heads (23) which are fixed between the rotary disc A (21) and the rotary disc B (22) and are uniformly distributed on the circumference;

a drive device (4) for driving the rotor (2) in rotation;

the feeding device comprises a feed hopper (51) and a material conveying chute (52) for communicating the feed hopper (51) with an inner hole (21a) of the turntable A (21);

the discharge hopper is connected with a discharge hole at the bottom of the crushing cavity shell (3);

the anti-impact wear-resistant rotor is characterized by further comprising an aggregate protective cover (6), wherein the aggregate protective cover (6) is arranged between the wear-resistant counterattack plate (31) and the rotor (2).

2. A horizontal impact crusher according to claim 1, characterized in that the aggregate shield (6) is provided only in the upper half of the crushing chamber in the crushing chamber housing (3).

3. The horizontal impact crusher according to claim 2, wherein the aggregate shield (6) comprises a vertical connecting plate (61) and a horizontal material carrying plate (62), the connecting plate (61) and the material carrying plate (62) are connected and have an L-shaped cross section, and reinforcing rib plates (63) are arranged between the connecting plate and the material carrying plate at intervals.

4. A horizontal impact crusher according to claim 3, characterized in that the end of the material-carrying plate (62) remote from the connecting plate (61) is provided with a bend (62a) towards the rotor (2).

5. The horizontal impact crusher according to claim 2, wherein the aggregate shield comprises a vertical connecting plate (61), a horizontal material carrying plate (62), and a lower inclined plate (64), wherein the upper end of the connecting plate (61) is connected with one end of the lower inclined plate (64), and the other end of the lower inclined plate (64) is connected with the material carrying plate (62).

6. A horizontal impact crusher according to claim 3, 4 or 5, characterized in that said crushing chamber is circular in cross-section.

7. A horizontal impact crusher according to claim 6, characterized in that said aggregate material shields (6) are provided on both side walls of the crushing chamber shell (3), the maximum distance of each aggregate material shield (6) from the side wall on which it is mounted corresponding to the minimum distance of the discharge head (23) from this side wall.

8. A horizontal impact crusher according to claim 7, characterized in that said aggregate protection cover (6) is assembled from a plurality of aggregate protection blocks (6 a).

9. A horizontal impact crusher according to claim 8, characterized in that a shock absorbing device (7) is also provided at the lower side edge of the base (1).

10. A horizontal impact crusher according to claim 9, characterized in that the damping device (7) comprises a damper (71), a mounting seat (72), the damper (71) is connected to the base (1) at one end and the mounting seat (72) is connected to the other end, and one or both sides of the mounting seat (72) are provided with a defensive bulge (73).