CN110586284A - Vertical crusher with high crushing ratio - Google Patents

Vertical crusher with high crushing ratio Download PDF

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Publication number
CN110586284A
CN110586284A CN201910968857.5A CN201910968857A CN110586284A CN 110586284 A CN110586284 A CN 110586284A CN 201910968857 A CN201910968857 A CN 201910968857A CN 110586284 A CN110586284 A CN 110586284A
Authority
CN
China
Prior art keywords
rotating shaft
central rotating
rolling
impact
crushing
Prior art date
Application number
CN201910968857.5A
Other languages
Chinese (zh)
Inventor
刘淑贤
王玲
甘德清
聂轶苗
苏严
徐平安
卢宽
Original Assignee
华北理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华北理工大学 filed Critical 华北理工大学
Priority to CN201910968857.5A priority Critical patent/CN110586284A/en
Publication of CN110586284A publication Critical patent/CN110586284A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/16Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/14Edge runners, e.g. Chile mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/0012Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
    • B02C19/0018Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface

Abstract

The invention discloses a vertical crusher with a high crushing ratio, which comprises a centrifugal impact crushing chamber, an impact crushing chamber, a rolling chamber, a material throwing rotor, an impact mechanism, a rolling mechanism, a first central rotating shaft, a second central rotating shaft, an input driving shaft and a speed reducer, wherein the centrifugal impact crushing chamber is arranged in the crushing chamber; the crusher adopts a three-stage crushing mechanism, sequentially passes through centrifugal impact crushing, impact crushing and rolling crushing from top to bottom, and has higher crushing ratio compared with the conventional crushing mechanism; the whole device only adopts one input driving shaft to realize the synchronous motion of the three-stage crushing mechanism, and has reasonable design and simple structure. The invention is finally crushed by rolling, when the rolling wheel runs, large particles which can not pass through the material leakage channel and do not meet the requirement can be crushed by rolling and discharged out of the material leakage channel.

Description

Vertical crusher with high crushing ratio

Technical Field

The invention belongs to the technical field of crushing devices, and particularly relates to a vertical crusher with a high crushing ratio.

Background

The vertical impact crusher is developed in Barmac factory in New Zealand in the late 70 th century, and has material falling from the upper part of the crusher into the high speed rotating impeller to collide and crush with the other part of the material around the impeller in umbrella shape under the action of high speed centrifugal force. The vertical impact crusher is not a crushing device, so that the particle size of a part of product materials is almost the particle size of feeding materials, the crushing ratio is seriously influenced, and the particle size of the product can be controlled only by an external screening device.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a vertical crusher with a high crushing ratio.

The invention is realized by the following technical scheme:

a vertical crusher with a high crushing ratio comprises a centrifugal impact crushing chamber, an impact crushing chamber, a rolling chamber, a material throwing rotor, an impact mechanism, a rolling mechanism, a first central rotating shaft, a second central rotating shaft, an input driving shaft and a speed reducer;

the centrifugal impact crushing cavity, the impact crushing cavity and the rolling cavity are sequentially communicated from top to bottom, the throwing rotor is located in the centrifugal impact crushing cavity, a feed inlet is formed in the center of the top of the centrifugal impact crushing cavity, stones to be crushed are placed into the throwing rotor through the feed inlet, a counterattack lining plate is arranged on the inner wall of the centrifugal impact crushing cavity, the throwing rotor rotates at a high speed to throw out stones inside the throwing rotor at a high speed by using centrifugal force, the thrown stones impact the counterattack lining plate on the inner wall of the centrifugal impact crushing cavity at a high speed, and the counterattack lining plate and the stones are impacted to crush the stones, so that the stones are crushed, and the crushed stones fall into the impact crushing cavity;

the impact mechanism is arranged in the impact crushing cavity, and the impact mechanism and the throwing rotor are both driven by a first central rotating shaft, wherein the throwing rotor is coaxially and fixedly arranged at the top end of the first central rotating shaft; when the first central rotating shaft is driven to rotate, the first central rotating shaft can synchronously drive the material throwing rotor and the mounting disc of the impact mechanism to rotate, and the mounting disc can drive the impact hammer to move, so that the impact hammer impacts the stone, and further the stone crushed by centrifugal impact is crushed;

the second central rotating shaft is positioned below the first central rotating shaft, and the first central rotating shaft is connected with the second central rotating shaft through the speed reducer to realize speed reduction transmission, so that the rotating speed of the second central rotating shaft is greatly lower than that of the first central rotating shaft;

the input driving shaft is in transmission connection with the first central rotating shaft;

the rolling mechanism is positioned in the rolling cavity and is arranged on the second central rotating shaft, the rolling mechanism comprises a rolling wheel, a connecting arm and a mounting frame, the mounting frame is fixedly sleeved on the second central rotating shaft, the inner end of the connecting arm is hinged to the mounting frame through a pin shaft, and the rolling wheel is arranged at the outer end of the connecting arm; when the second central rotating shaft rotates, the rolling wheel is driven to move by taking the second central rotating shaft as an axis;

be provided with the material leaking passageway in the bottom that rolls the cavity, the material leaking passageway is located the rolling wheel bottom and sets up along the orbit setting of rolling wheel, when the rolling wheel operation, can roll the breakage with the large granule thing that can not meet the requirements through the material leaking passageway, and discharge the material leaking passageway.

In the technical scheme, the input driving shaft is transversely arranged, the input driving shaft is in transmission connection with the first central rotating shaft through the bevel gear set, the outer end of the input driving shaft is provided with the belt pulley, and the belt pulley is connected with the motor through the transmission belt.

In the technical scheme, the number of the rolling wheels is two, and the rolling wheels are symmetrically arranged.

In the above technical scheme, a support lug for mounting the connecting arm is arranged on the mounting frame, a mounting shaft hole is arranged on the support lug, and the axial direction of the mounting shaft hole is perpendicular to the axial direction of the second central rotating shaft.

In the technical scheme, the hammer is in a horseshoe shape and is rotatably arranged between two adjacent mounting discs through a rotating shaft or a pin shaft.

In the technical scheme, a plurality of hammers are arranged between two vertically adjacent mounting discs of each group and are circumferentially arranged at equal intervals.

In the above technical solution, the speed reducer is a coaxial speed reducer.

In above-mentioned technical scheme, the bottom structure of rolling chamber is: the material leakage device comprises a first bottom surface part positioned outside a material leakage channel and a second bottom surface part positioned inside the material leakage channel, wherein the first bottom surface part and the second bottom surface part are inclined towards the material leakage channel so as to ensure that falling particles can naturally slide to the material leakage channel, and the material leakage gap of the material leakage channel is preferably 10-15 mm.

In the technical scheme, necessary protective shells are arranged on the peripheries of the speed reducer and the bevel gear set.

In above-mentioned technical scheme, roll the cavity below and be provided with the support.

The invention has the advantages and beneficial effects that:

the crusher adopts a three-stage crushing mechanism, sequentially passes through centrifugal impact crushing, impact crushing and rolling crushing from top to bottom, and has higher crushing ratio compared with the conventional crushing mechanism.

The whole device of the invention realizes the synchronous motion of the three-stage crushing mechanism by only adopting one input driving shaft, and has reasonable design and simple structure.

The invention finally needs to be crushed by rolling, when the rolling wheel runs, large particles which can not pass through the material leakage channel and do not meet the requirement can be crushed by rolling, and are discharged out of the material leakage channel.

Drawings

Fig. 1 is a schematic view of the structure of a high crushing ratio vertical crusher of the present invention.

Fig. 2 is a schematic view of the structure of the striking mechanism in the present invention.

Fig. 3 is a schematic view of the structure of the hammer in the present invention.

Wherein:

1: centrifugal impact crushing chamber, 2: impact crushing chamber, 3: roller compaction chamber, 4: throwing material rotor, 5: striking mechanism, 6: rolling mechanism, 7: first central rotating shaft, 8: second central rotating shaft, 9: input drive shaft, 10: bevel gear set, 11: speed reducer, 12: feed inlet, 13: protective shell, 14: stent, 6-1: rolling wheel, 6-2: connecting arm, 6-3: and (7) mounting frames.

For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.

Example one

Referring to the attached figure 1, the vertical crusher with the high crushing ratio comprises a centrifugal impact crushing chamber 1, an impact crushing chamber 2, a rolling chamber 3, a material throwing rotor 4, an impact mechanism 5, a rolling mechanism 6, a first central rotating shaft 7, a second central rotating shaft 8, an input driving shaft 9, a bevel gear set 10 and a speed reducer 11.

Centrifugal impact crushing chamber 1, striking crushing chamber 2, roll chamber 3 and link up the setting from last to down in proper order, it is located centrifugal impact crushing chamber to get rid of material rotor 4, and the top central point of centrifugal impact crushing chamber puts and is provided with feed inlet 12, puts into through the feed inlet to getting rid of in the material rotor and treats broken stone (or other thing pieces), and the inner wall of centrifugal impact crushing chamber is provided with counterattack welt 13, gets rid of the high-speed rotatory stone of utilizing centrifugal force to throw away its inside at a high speed of material rotor, and the counterattack welt of the high-speed striking centrifugal impact crushing chamber inner wall of stone after throwing away takes place the striking between utilized counterattack welt and stone and the stone to make the stone broken, the stone after the breakage can fall into striking crushing chamber.

The impact mechanism 5 is arranged in the impact crushing chamber 2, the impact mechanism 5 and the material throwing rotor 4 are driven by a first central rotating shaft 7, the material throwing rotor 4 is coaxially and fixedly installed at the top end of the first central rotating shaft 7, referring to the attached drawing 2, the impact mechanism 5 comprises 4 installation discs 5-1, the 4 installation discs are fixedly installed on the first central rotating shaft 7 at intervals up and down, and a ram 5-2 is installed between every two adjacent installation discs. When the first central rotating shaft 7 is driven to rotate, the first central rotating shaft 7 can synchronously drive the material throwing rotor 4 and the mounting disc 5-1 of the impact mechanism 5 to rotate, and the mounting disc 5-1 can drive the ram 5-2 to move, so that the ram impacts the stone, and further the stone crushed by centrifugal impact is crushed.

The second central rotating shaft 8 is positioned below the first central rotating shaft 7, the first central rotating shaft 7 passes through the speed reducer 11 and the second central rotating shaft 8 are connected (namely, the bottom of the first central rotating shaft is connected with the input shaft of the speed reducer through a coupler, and the output shaft of the speed reducer is connected with the top of the second central rotating shaft through another coupler), so that the speed reduction transmission is realized, and the rotating speed of the second central rotating shaft is greatly smaller than that of the first central rotating shaft.

The input driving shaft 9 is transversely arranged, the input driving shaft is in transmission connection with the first central rotating shaft 7 through a bevel gear set 10 (namely, a first bevel gear is installed on the first central rotating shaft, a second bevel gear is installed at the front end of the input driving shaft, the first bevel gear is meshed with the second bevel gear), a belt pulley 9-1 is installed at the outer end of the input driving shaft, and the belt pulley is connected with a motor through a transmission belt (the motor and the transmission belt are not shown in the figure).

The rolling mechanism 6 is positioned in the rolling cavity 3, the rolling mechanism is installed on a second central rotating shaft 8, the rolling mechanism comprises a rolling wheel 6-1, a connecting arm 6-2 and an installation frame 6-3, the installation frame 6-3 is fixedly sleeved on the second central rotating shaft 8, the inner end of the connecting arm 6-2 is hinged on the installation frame through a pin shaft (in a further way, a support lug for installing the connecting arm is arranged on the installation frame, an installation shaft hole is formed in the support lug, the axial direction of the installation shaft hole is perpendicular to the axial direction of the second central rotating shaft), the rolling wheel 6-1 is installed at the outer end of the connecting arm 6-2, and the number of the rolling wheel and the number of the connecting arm are preferably two and are symmetrically arranged; when the second central rotating shaft rotates, the rolling wheel is driven to move by taking the second central rotating shaft as an axis.

The bottom of the rolling cavity 3 is provided with a material leaking channel 3-1 which is positioned at the bottom of the rolling wheel and arranged along the running track of the rolling wheel, when the rolling wheel runs, large particles which cannot pass through the material leaking channel and do not meet the requirement can be rolled and crushed, and the material leaking channel is discharged.

Example two

On the basis of the first embodiment, furthermore, the ram 5-2 is horseshoe-shaped (fig. 3), and the ram is rotatably installed between two adjacent mounting disks up and down through a rotating shaft or a pin shaft.

Furthermore, a plurality of hammers are arranged between two vertically adjacent mounting discs of each group and are arranged at equal intervals on the circumference.

Further, the speed reducer 11 is preferably a coaxial speed reducer (the input shaft and the output shaft of the speed reducer are on the same axis).

EXAMPLE III

On the basis of the first embodiment or the second embodiment, further, the bottom structure of the crushing chamber is as follows: the material leakage device comprises a first bottom surface part positioned outside a material leakage channel and a second bottom surface part positioned inside the material leakage channel, wherein the first bottom surface part and the second bottom surface part are inclined towards the material leakage channel so as to ensure that falling particles can naturally slide to the material leakage channel, and the material leakage gap of the material leakage channel is preferably 10-15 mm.

Furthermore, a necessary protective casing 13 is arranged on the periphery of the speed reducer and the bevel gear set.

Further, a support 14 is arranged below the rolling chamber.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.

Claims (10)

1. The utility model provides a high crushing ratio vertical crusher which characterized in that: the device comprises a centrifugal impact crushing chamber, an impact crushing chamber, a rolling chamber, a throwing rotor, an impact mechanism, a rolling mechanism, a first central rotating shaft, a second central rotating shaft, an input driving shaft and a speed reducer;
the centrifugal impact crushing cavity, the impact crushing cavity and the rolling cavity are sequentially communicated from top to bottom, the throwing rotor is located in the centrifugal impact crushing cavity, a feed inlet is formed in the center of the top of the centrifugal impact crushing cavity, stones to be crushed are placed into the throwing rotor through the feed inlet, a counterattack lining plate is arranged on the inner wall of the centrifugal impact crushing cavity, the throwing rotor rotates at a high speed to throw out stones inside the throwing rotor at a high speed by using centrifugal force, the thrown stones impact the counterattack lining plate on the inner wall of the centrifugal impact crushing cavity at a high speed, and the counterattack lining plate and the stones are impacted to crush the stones, so that the stones are crushed, and the crushed stones fall into the impact crushing cavity;
the impact mechanism is arranged in the impact crushing cavity, and the impact mechanism and the throwing rotor are both driven by a first central rotating shaft, wherein the throwing rotor is coaxially and fixedly arranged at the top end of the first central rotating shaft; when the first central rotating shaft is driven to rotate, the first central rotating shaft can synchronously drive the material throwing rotor and the mounting disc of the impact mechanism to rotate, and the mounting disc can drive the impact hammer to move, so that the impact hammer impacts the stone, and further the stone crushed by centrifugal impact is crushed;
the second central rotating shaft is positioned below the first central rotating shaft, and the first central rotating shaft is connected with the second central rotating shaft through the speed reducer to realize speed reduction transmission, so that the rotating speed of the second central rotating shaft is greatly lower than that of the first central rotating shaft;
the input driving shaft is in transmission connection with the first central rotating shaft;
the rolling mechanism is positioned in the rolling cavity and is arranged on the second central rotating shaft, the rolling mechanism comprises a rolling wheel, a connecting arm and a mounting frame, the mounting frame is fixedly sleeved on the second central rotating shaft, the inner end of the connecting arm is hinged to the mounting frame through a pin shaft, and the rolling wheel is arranged at the outer end of the connecting arm; when the second central rotating shaft rotates, the rolling wheel is driven to move by taking the second central rotating shaft as an axis;
be provided with the material leaking passageway in the bottom that rolls the cavity, the material leaking passageway is located the rolling wheel bottom and sets up along the orbit setting of rolling wheel, when the rolling wheel operation, can roll the breakage with the large granule thing that can not meet the requirements through the material leaking passageway, and discharge the material leaking passageway.
2. The high reduction ratio vertical crusher according to claim 1, characterized in that: the input driving shaft is transversely arranged, the input driving shaft is in transmission connection with the first central rotating shaft through a bevel gear set, a belt pulley is installed at the outer end of the input driving shaft, and the belt pulley is connected with the motor through a transmission belt.
3. The high reduction ratio vertical crusher according to claim 1, characterized in that: the number of the rolling wheels is two, and the rolling wheels are symmetrically arranged.
4. The high reduction ratio vertical crusher according to claim 1, characterized in that: the mounting frame is provided with a support lug for mounting the connecting arm, the support lug is provided with a mounting shaft hole, and the axial direction of the mounting shaft hole is vertical to the axial direction of the second central rotating shaft.
5. The high reduction ratio vertical crusher according to claim 1, characterized in that: the ram is in a horseshoe shape and is rotatably arranged between two adjacent mounting discs through a rotating shaft or a pin shaft.
6. The high reduction ratio vertical crusher according to claim 1, characterized in that: a plurality of hammers are arranged between two vertically adjacent mounting discs of each group and are arranged at equal intervals on the circumference.
7. The high reduction ratio vertical crusher according to claim 1, characterized in that: the speed reducer is a coaxial speed reducer.
8. The high reduction ratio vertical crusher according to claim 1, characterized in that: the bottom structure of the rolling chamber is as follows: including being located the first bottom surface part that leaks the material passageway outside and being located the second bottom surface part that leaks the material passageway inboard, first bottom surface portion and second bottom surface portion all incline to leaking the material passageway to guarantee that the particulate matter of whereabouts can the landing naturally to leaking the material passageway.
9. The high reduction ratio vertical crusher according to claim 1, characterized in that: necessary protective shells are arranged at the peripheries of the speed reducer and the bevel gear set.
10. The high reduction ratio vertical crusher according to claim 1, characterized in that: a support is arranged below the rolling chamber.
CN201910968857.5A 2019-10-12 2019-10-12 Vertical crusher with high crushing ratio CN110586284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910968857.5A CN110586284A (en) 2019-10-12 2019-10-12 Vertical crusher with high crushing ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910968857.5A CN110586284A (en) 2019-10-12 2019-10-12 Vertical crusher with high crushing ratio

Publications (1)

Publication Number Publication Date
CN110586284A true CN110586284A (en) 2019-12-20

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1080856A1 (en) * 1982-08-13 1984-03-23 Всесоюзный Государственный Проектно-Конструкторский Институт "Гипростроммашина" Mincer
JPH0135696B2 (en) * 1982-04-27 1989-07-26 Kotobuki Giken Kogyo Kk
CN2179203Y (en) * 1993-11-06 1994-10-12 山东建筑材料工业学院 Verticle compound crusher
CN2187978Y (en) * 1993-11-06 1995-01-25 山东建筑材料工业学院 Vertical combined crusher
CN201192647Y (en) * 2008-03-20 2009-02-11 北京海淀华煤水煤浆技术开发中心 Water coal slurry crusher
CN106269133A (en) * 2015-06-25 2017-01-04 中联重科股份有限公司 Disintegrating machine, mineral production line and material breaking method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0135696B2 (en) * 1982-04-27 1989-07-26 Kotobuki Giken Kogyo Kk
SU1080856A1 (en) * 1982-08-13 1984-03-23 Всесоюзный Государственный Проектно-Конструкторский Институт "Гипростроммашина" Mincer
CN2179203Y (en) * 1993-11-06 1994-10-12 山东建筑材料工业学院 Verticle compound crusher
CN2187978Y (en) * 1993-11-06 1995-01-25 山东建筑材料工业学院 Vertical combined crusher
CN201192647Y (en) * 2008-03-20 2009-02-11 北京海淀华煤水煤浆技术开发中心 Water coal slurry crusher
CN106269133A (en) * 2015-06-25 2017-01-04 中联重科股份有限公司 Disintegrating machine, mineral production line and material breaking method

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