CN211246763U - Crushing assembly of impact crusher and impact crusher with same - Google Patents
Crushing assembly of impact crusher and impact crusher with same Download PDFInfo
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- CN211246763U CN211246763U CN201922147272.5U CN201922147272U CN211246763U CN 211246763 U CN211246763 U CN 211246763U CN 201922147272 U CN201922147272 U CN 201922147272U CN 211246763 U CN211246763 U CN 211246763U
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- rotor
- impact crusher
- crushing assembly
- side wall
- plate hammer
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Abstract
The utility model provides a broken subassembly of impact crusher and impact crusher who has it, the broken subassembly of impact crusher can install in order to carry out the breakage to the material in the impact crusher in the pivot of impact crusher, and broken subassembly includes: the rotor is sleeved on the rotating shaft and driven by the rotating shaft to rotate around the axis of the rotating shaft, and a plurality of mounting grooves distributed at intervals along the circumferential direction of the rotor are formed in the rotor; the multiple plate hammers are arranged in the corresponding mounting grooves at intervals along the circumferential direction of the rotor respectively, the inner end of each plate hammer is connected with the mounting grooves, the outer end of each plate hammer extends outwards along the radial direction of the rotor, and the thickness of the outer end of each plate hammer is larger than that of the inner end in the circumferential direction of the rotor. According to the utility model discloses impact crusher's broken subassembly, the structure is firm, and hitting power is strong, and crushing effect is good, and the change cycle is short.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a broken subassembly of impact crusher and impact crusher who has it.
Background
The impact crusher is a crushing machine which utilizes impact energy to crush materials, a plate hammer used for striking the crushed materials is installed on a rotor of the impact crusher, the plate hammer in the prior art is generally a rectangular block, the thickness of a striking material end and a mounting end is the same, the plate hammer of the structure is installed and fixed difficultly, in addition, the thickness of the striking material end is small, the plate hammer is easy to wear, the striking strength is low, and the crushing effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of above-mentioned technical problem at least.
Therefore, the utility model provides a broken subassembly of impact crusher, this broken subassembly simple structure, the wearability is high, and intensity is high, hits to hit and beats effectually.
The utility model discloses still provide an impact crusher.
According to the utility model discloses the broken subassembly of impact crusher of first aspect embodiment can install in the pivot of impact crusher with right material in the impact crusher carries out the breakage, broken subassembly includes: the rotor is sleeved on the rotating shaft and driven by the rotating shaft to rotate around the axis of the rotating shaft, and a plurality of mounting grooves distributed at intervals along the circumferential direction of the rotor are formed in the rotor; a plurality of plate hammers, it is a plurality of the plate hammer is followed respectively the circumference interval of rotor is seted up and is corresponded in the mounting groove, every the inner of plate hammer with the mounting groove links to each other, every the outer end of plate hammer is followed the radial outside extension of rotor in the circumference of rotor, every the thickness of the outer end of plate hammer is greater than the thickness in inner.
According to the utility model discloses impact crusher's broken subassembly through establishing the rotor cover in the pivot, and a plurality of boards hammers link to each other with the rotor respectively, and the thickness of board hammer outer end is greater than the thickness of board hammer inner, and this impact crusher's broken subassembly wearability is high, and the hitting power is strong, and crushing effect is good, and the change cycle is short.
According to the utility model discloses impact crusher's broken subassembly can also have following additional technical characterstic:
according to an embodiment of the invention, the thickness of the outer end of each of said hammers is 1.5-2.5 times the thickness of the corresponding inner end.
According to an embodiment of the present invention, each of the hammers is formed to have a wedge-shaped cross section.
According to an embodiment of the present invention, each of the outer end surfaces of the cross section of the plate hammer is formed in an arc shape, and the outer end surfaces are located at both ends of the rotor in the circumferential direction with respect to a distance between the axial centers of the rotor is not equal.
According to an embodiment of the present invention, the mounting groove is formed as an open groove that opens radially outward along the rotor, the mounting groove includes: a bottom wall perpendicular to a radial direction of the rotor; first lateral wall and second lateral wall, first lateral wall with the second lateral wall is established respectively the relative both ends of diapire and with the diapire cooperation is injectd the mounting groove, broken subassembly still includes: the locking block is arranged between the first side wall and the inner end of the plate hammer to fix the plate hammer; and the double-wedge-face locking device is arranged between the second side wall and the inner end of the plate hammer to fix the plate hammer.
According to the utility model discloses an embodiment, first lateral wall is formed as the perpendicular to the plane of diapire, the inner of second lateral wall with the diapire links to each other, the outer end orientation of second lateral wall first lateral wall place direction extends that leans out, the latch segment with the shape of two scarf locking device respectively with first lateral wall with the shape of second lateral wall is corresponding.
According to the utility model discloses an embodiment, the latch segment orientation one side of board hammer is equipped with the constant head tank, on the board hammer with the corresponding position of constant head tank is equipped with the location arch, the location arch is pegged graft in the constant head tank.
According to an embodiment of the invention, the second side wall and the bottom wall between the fillet transition.
According to the utility model discloses an embodiment, the middle part of diapire is equipped with the orientation the sunken spacing groove in axle center of rotor, peg graft in the inner of board hammer the spacing inslot.
According to the utility model discloses an embodiment, the rotor includes a plurality of edges the rotor piece of the axial spaced apart distribution of pivot, every be equipped with a plurality ofly on the rotor piece respectively the mounting groove, the board hammer forms to be followed rectangular shape that the length direction of pivot extends just establishes a plurality ofly on the rotor piece the position is corresponding in the mounting groove.
According to the utility model discloses an embodiment, the rotor piece includes 6-8, and the mounting groove on every the rotor piece is 3-6.
According to an embodiment of the invention, each of the rotor sheets is formed as a weld respectively.
An impact crusher according to an embodiment of the second aspect of the present invention comprises the crushing assembly of the impact crusher of the above-described embodiment.
Drawings
Fig. 1 is a schematic structural view of a crushing assembly according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is a schematic structural view of a double wedge locking device of a crushing assembly according to an embodiment of the present invention.
Reference numerals:
a crushing assembly 400; a rotor 410; the rotor sheet 411; a plate hammer 420; a bottom wall 421; a first sidewall 422; a second sidewall 423; a positioning groove 424; a locking block 430;
a double wedge locking device 500; a first locking block 510; a spacer block 520; a second locking block 530; a fastener 540.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The crushing assembly 400 of the impact crusher according to an embodiment of the present invention will be described in detail below, first with reference to the accompanying drawings.
As shown in fig. 1 to 3, a crushing assembly 400 of an impact crusher according to an embodiment of the present invention can be installed on a rotating shaft of the impact crusher to crush material in the impact crusher, and the crushing assembly 400 includes a rotor 410 and a plurality of plate hammers 420.
Specifically, the rotor 410 is sleeved on the rotating shaft and is driven by the rotating shaft to rotate around the axis of the rotating shaft, a plurality of mounting grooves (not shown) are formed in the rotor 410 and are distributed at intervals along the circumferential direction of the rotor 410, a plurality of plate hammers 420 are arranged in the corresponding mounting grooves at intervals along the circumferential direction of the rotor 410, the inner end of each plate hammer 420 is connected with the mounting groove, the outer end of each plate hammer 420 extends outwards along the radial direction of the rotor 410, and the thickness of the outer end of each plate hammer 420 is larger than that of the inner end in the circumferential direction of the rotor 410.
In other words, crushing unit 400 mainly comprises rotor 410 and a plurality of board hammers 420, wherein, rotor 410 cover is established in the pivot and can revolve around the pivot, be equipped with a plurality of mounting grooves on rotor 410, a plurality of board hammers 420 are established respectively in the mounting groove, the one end of every board hammer 420 links to each other with the mounting groove respectively, the other end is outstanding the mounting groove respectively in order to strike the material, the thickness of the other end of board hammer 420 is greater than the thickness of one end so that the application of force, the different structure of board hammer 420, wear-resisting time is long, can shorten the replacement cycle of board hammer 420.
From this, according to the utility model discloses impact crusher's broken subassembly 400 through establishing rotor 410 cover in the pivot, a plurality of board hammers 420 link to each other with rotor 410 respectively, and the thickness of board hammer 420 outer end is greater than the inner thickness of board hammer 420, and this impact crusher's broken subassembly 400, the hitting power is strong, and the wearability is high, and crushing effect is good, and the change cycle is short.
According to one embodiment of the present invention, the thickness of the outer end of each plate hammer 420 is 1.5-2.5 times the thickness of the corresponding inner end. Specifically, the plate hammer 420 is of a different structure, that is, the thickness of the striking area at the outer end of the plate hammer 420 is 2 times that of the inner end, so that the outer end of the plate hammer 420 is more wear-resistant, and the inner end is more convenient to mount.
Preferably, the cross section of each of the plate hammers 420 is formed in a wedge shape, respectively. That is, the cross section in the width direction of the plate hammer 420 is a long shape having a wide end and a narrow end.
In other words, the outer end face of the cross section of each plate hammer 420 is formed in an arc shape, and the distances of both ends of the outer end face in the circumferential direction of the rotor 410 with respect to the axial center of the rotor 410 are not equal.
That is, the outer ends of the hammers 420 may be formed in an arc shape, one end of the arc shape is higher than the other end, the axial cross-section of the hammers 420 in the mounting groove is formed in a substantially clockwise fan shape, and when the rotating shaft rotates, the hammers 420 rotate in the same direction and strike the material.
In an embodiment of the present invention, the mounting groove is formed as an open groove opening radially outward of the rotor 410, the mounting groove includes a bottom wall 421, a first side wall 422 and a second side wall 423, the crushing assembly 400 further includes a locking block 430 and a double wedge locking device 500.
Specifically, the bottom wall 421 is perpendicular to the radial direction of the rotor 410, the first side wall 422 and the second side wall 423 are respectively disposed at two opposite ends of the bottom wall 421 and cooperate with the bottom wall 421 to define a mounting groove, the locking block 430 is disposed between the first side wall 422 and the inner end of the plate hammer 420 to fix the plate hammer 420, and the double wedge locking device 500 is disposed between the second side wall 423 and the inner end of the plate hammer 420 to fix the plate hammer 420.
In other words, the mounting groove is substantially formed as a strip-shaped groove, three surfaces of the mounting groove are a bottom wall 421, a first side wall 422 and a second side wall 423, respectively, wherein the first side wall 422 and the second side wall 423 are oppositely disposed, the bottom wall 421 is disposed between the first side wall 422 and the second side wall 423, the crushing assembly 400 further includes a locking block 430 and a double wedge locking device 500, the locking block 430 is disposed between the first side wall 422 surface and the plate hammer 420 to fix one side of the plate hammer 420, the double wedge locking device 500 is disposed between the second side wall 423 surface and the plate hammer 420 to fix the other side of the plate hammer 420, and thus, the plate hammer 420 is firmly mounted by the locking block 430 and the double wedge locking device 500 being disposed in the mounting grooves at both sides of the plate hammer 420, respectively, and the plate hammer 420 is limited to move in the circumferential direction of the rotating shaft.
Further, the first side wall 422 is formed to be perpendicular to the plane of the bottom wall 421, the inner end of the second side wall 423 is connected to the bottom wall 421, the outer end of the second side wall 423 extends obliquely outward toward the direction of the first side wall 422, and the shapes of the locking block 430 and the double wedge locking device 500 correspond to the shapes of the first side wall 422 and the second side wall 423, respectively. That is, the first side wall 422 is disposed perpendicular to the bottom wall 421 so as to dispose the locking block 430 between the first side wall 422 and the plate hammer 420, and the second side wall 423 is disposed obliquely to the bottom wall 421 so as to dispose the double wedge locking apparatus 500 between the second side wall 423 and the plate hammer 420.
Specifically, the double-wedge locking device 500 fixes the board hammer 420 in the installation groove to prevent the board hammer 420 from shaking in the installation groove, the double-wedge locking device 500 mainly comprises two first locking blocks 510, a cushion block 520, a second locking block 530 and a fastening member 540, the two first locking blocks 510 are oppositely arranged at intervals, the cushion block 520 and the second locking block 530 are respectively arranged at two ends of the two first locking blocks 510, the fastening member 540 is connected with the two first locking blocks 510 to clamp the cushion block 520 and the second fastening member 540, one end of the cushion block 520 is inserted between the two first locking blocks 510, the other end is placed or fixed in the installation groove, one end of the second locking block 530 is inserted between the two first locking blocks 510, the other end is used for fixing the board hammer 420 and the rotor plate 411, specifically, a first wedge surface and a second wedge surface are respectively formed at two sides of the second locking block 530, the first wedge surface is matched with one side of the board hammer 420 in shape to prevent the board hammer 420 from shaking, the shape of the second wedge surface is matched with that of the second side wall 423 of the mounting groove to prevent the second side wall 423 of the mounting groove from being abutted, and the second locking device can limit the plate hammer 420 to swing in the mounting groove, so that the plate hammer 420 is more stably mounted.
The utility model discloses an embodiment, latch segment 430 is equipped with constant head tank 424 towards one side of bar 420, and the position corresponding with constant head tank 424 on the bar 420 is equipped with the location arch, and the location is protruding to be pegged graft in constant head tank 424, cooperatees with the location arch through constant head tank 424, makes the installation of bar 420 more firm.
Preferably, the second side wall 423 and the bottom wall 421 are in a rounded transition, and the rounded structure not only facilitates the processing, but also reduces the stress concentration.
According to the utility model discloses an embodiment, the middle part of diapire 421 is equipped with the spacing groove sunken towards the axle center of rotor 410, and peg graft at the spacing inslot in the inner of board hammer 420, and the radial displacement of board hammer 420 edge pivot is further injectd to the spacing groove.
According to the utility model discloses a still another embodiment, rotor 410 includes a plurality of rotor pieces 411 along the axial interval distribution of pivot, is equipped with a plurality of mounting grooves on every rotor piece 411 respectively, and bar hammer 420 forms into the rectangular shape that extends along the length direction of pivot and establishes in the corresponding mounting groove in position on a plurality of rotor pieces 411.
Specifically, a plurality of rotor pieces 411 set up along the axial interval of pivot respectively, are equipped with the mounting groove that is used for installing flat hammer 420 on a plurality of rotor pieces 411, and a plurality of rotor pieces 411 not only can fix flat hammer 420, can save the processing raw materials moreover, increase the space in broken chamber, reduction in production cost.
Preferably, each rotor 410 may be composed of 6-8 rotor sheets 411, and the number of mounting grooves on each rotor sheet 411 may be 3-6.
In an embodiment of the present invention, each rotor sheet 411 is formed as a welded part, which is convenient for processing.
According to the utility model discloses impact crusher's broken subassembly 400 through establishing rotor 410 cover in the pivot, a plurality of board hammers 420 link to each other with rotor 410 respectively, and the thickness of board hammer 420 outer end is greater than the thickness of board hammer 420 inner, and this impact crusher's broken subassembly 400 structure is firm, and the wearability is good, and the hitting power is strong, and crushing effect is good, and the change cycle is short.
According to the utility model discloses the impact crusher includes according to the broken subassembly 400 of the impact crusher of above-mentioned embodiment, because according to the utility model discloses the broken subassembly 400 of the impact crusher of above-mentioned embodiment has above-mentioned technological effect, consequently, according to the utility model discloses the impact crusher also has corresponding technological effect, and the structure is firm, and the hitting power is strong, and crushing effect is good, and the change cycle is short.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (13)
1. A crushing assembly of an impact crusher, mountable on a shaft of an impact crusher for crushing material within the impact crusher, characterized in that the crushing assembly comprises:
the rotor is sleeved on the rotating shaft and driven by the rotating shaft to rotate around the axis of the rotating shaft, and a plurality of mounting grooves distributed at intervals along the circumferential direction of the rotor are formed in the rotor;
a plurality of plate hammers, it is a plurality of the plate hammer is followed respectively the circumference interval of rotor is seted up and is corresponded in the mounting groove, every the inner of plate hammer with the mounting groove links to each other, every the outer end of plate hammer is followed the radial outside extension of rotor in the circumference of rotor, every the thickness of the outer end of plate hammer is greater than the thickness in inner.
2. The crushing assembly of an impact crusher according to claim 1 wherein the thickness of the outer end of each of said plate hammers is 1.5-2.5 times the thickness of the corresponding inner end.
3. The crushing assembly of an impact crusher according to claim 1, wherein each of the plate hammers is formed in a wedge shape in cross section, respectively.
4. The crushing assembly of an impact crusher according to claim 3, wherein an outer end face of a cross section of each of the plate hammers is formed in an arc shape, and distances of both ends of the outer end face in a circumferential direction of the rotor with respect to an axial center of the rotor are not equal.
5. The crushing assembly of an impact crusher according to claim 1, wherein the mounting groove is formed as an open groove opening outward in a radial direction of the rotor, the mounting groove including:
a bottom wall perpendicular to a radial direction of the rotor;
the first side wall and the second side wall are respectively arranged at two opposite ends of the bottom wall and are matched with the bottom wall to limit the mounting groove,
the crushing assembly further comprises:
the locking block is arranged between the first side wall and the inner end of the plate hammer to fix the plate hammer;
and the double-wedge-face locking device is arranged between the second side wall and the inner end of the plate hammer to fix the plate hammer.
6. The impact crusher crushing assembly of claim 5 wherein the first side wall is formed as a plane perpendicular to the bottom wall, the inner end of the second side wall is connected to the bottom wall, the outer end of the second side wall extends obliquely outwardly in a direction toward the first side wall, and the locking block and the double wedge locking device are shaped to correspond to the shape of the first side wall and the second side wall, respectively.
7. The crushing assembly of an impact crusher according to claim 6 wherein the side of the locking block facing the plate hammer is provided with a positioning groove, and the plate hammer is provided with a positioning projection at a position corresponding to the positioning groove, the positioning projection being inserted into the positioning groove.
8. The impact crusher crushing assembly of claim 6 wherein the second side wall transitions from the bottom wall with rounded corners.
9. The crushing assembly of an impact crusher according to claim 6 wherein the bottom wall has a central portion formed with a limiting groove recessed toward the axis of the rotor, and the inner end of the plate hammer is inserted into the limiting groove.
10. The crushing assembly of an impact crusher according to claim 1, wherein the rotor includes a plurality of rotor pieces spaced apart from each other in an axial direction of the rotating shaft, each of the rotor pieces having a plurality of the mounting grooves formed therein, and the plate hammer is formed in a long shape extending in a length direction of the rotating shaft and is disposed in the mounting grooves of the plurality of rotor pieces at corresponding positions.
11. The crushing assembly of an impact crusher according to claim 10, wherein the number of rotor sheets is 6-8, and the number of mounting slots on each of the rotor sheets is 3-6.
12. The crushing assembly of an impact crusher of claim 10 wherein each of the rotor sheets is separately formed as a weldment.
13. A impact crusher, characterized in that it comprises a crushing assembly according to any one of claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147272.5U CN211246763U (en) | 2019-12-04 | 2019-12-04 | Crushing assembly of impact crusher and impact crusher with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147272.5U CN211246763U (en) | 2019-12-04 | 2019-12-04 | Crushing assembly of impact crusher and impact crusher with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211246763U true CN211246763U (en) | 2020-08-14 |
Family
ID=71982692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922147272.5U Active CN211246763U (en) | 2019-12-04 | 2019-12-04 | Crushing assembly of impact crusher and impact crusher with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211246763U (en) |
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2019
- 2019-12-04 CN CN201922147272.5U patent/CN211246763U/en active Active
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