CN105665102B - Novel rotor assembly of pulverizer - Google Patents

Novel rotor assembly of pulverizer Download PDF

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Publication number
CN105665102B
CN105665102B CN201410661301.9A CN201410661301A CN105665102B CN 105665102 B CN105665102 B CN 105665102B CN 201410661301 A CN201410661301 A CN 201410661301A CN 105665102 B CN105665102 B CN 105665102B
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China
Prior art keywords
flywheel
rotor
belt pulley
cutter
main shaft
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CN201410661301.9A
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Chinese (zh)
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CN105665102A (en
Inventor
冯自龙
陈鹏
刘雷
蓝宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Soft Control Electromechanical Engineering Co Ltd
Qingdao Wanfang Recycling Technology Co ltd
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Qingdao Mesnac Electromechanical Engineering Co Ltd
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Abstract

The invention relates to a novel rotor assembly of a pulverizer, which comprises a rotor, a rotor driving device, an overload protection device arranged on one side of the rotor and a balancing device arranged on the other side of the rotor. The balancing device comprises a flywheel, a flywheel coupling cover plate and a flywheel expansion sleeve, wherein the flywheel coupling cover plate is connected with the flywheel through a flywheel shearing bolt, and the flywheel expansion sleeve is connected with a rotor spindle and the flywheel coupling cover plate. The overload protection device comprises a belt pulley connected with the rotor driving device, a belt pulley coupling cover plate connected with the belt pulley through a belt pulley shearing bolt, and a belt pulley expansion sleeve connecting the belt pulley coupling cover plate and the rotor spindle. The overload protection device also comprises a safety lock device arranged on the flywheel coupling cover plate. The flywheel can reduce vibration and noise. Mechanical overload protection is provided for the main shaft, and the machine is stopped through the safety lock, so that the safe, stable and efficient operation of the machine is guaranteed.

Description

A kind of crusher rotor assembly
Technical field
The present invention relates to pulverizers, more particularly, to a kind of rotor mill assembly.
Background technique
With China's economic development, sale of automobile increases increasingly, and increasing for waste tire produces environmental pressure therewith.According to According to incompletely statistics, it is about 1,400,000 tons or more that the retired amount of waste tire is often only in China, and every year with 15% speed increase, " black pollution " that more and more waste tires are formed brings threat to our living environment.Waste tire is carried out Resource utilization not only solves environmental issue, also solves the demand of rubber raw materials.
A kind of coarse crusher for rubber is disclosed in the prior art, and application No. is CN201020688652.6, disclose powder Broken equipment includes: rack, driving device, transmission device, grinding device and feed hopper.The tearing of the equipment utilization cutter group is made With the rubber grain that will enter in crushing chamber device crushes.But it is unstable when machine at high speeds operation, noise is big, and does not have There is denoising device;It will cause very big impact and damage to axis also without safeguard procedures in case of overload phenomenon.
Summary of the invention
To solve the problems, such as that vibration in the prior art, noise are big, lacking machine overload protection, the present invention provides a kind of new Type rotor mill assembly.
The technical solution of the present invention is as follows:
A kind of crusher rotor assembly, including rotor, rotor drive, the overload protection for being set to rotor side Device and the balancing device for being set to the rotor other side, balancing device include flywheel, are connected by flywheel shearing bolt with flywheel The flywheel coupling covering plate, the connection rotor main shaft that connect couple the flywheel expansion sleeve of covering plate with flywheel.Flywheel, which considerably increases, to be turned The rotary inertia of son, by this inertia force, in crushing process, rotor is steadily operated, and can effectively be reduced Vibration and noise.
Overload protection arrangement includes the belt pulley connecting with rotor drive, with belt pulley by belt pulley shears bolt Belt pulley coupling covering plate, the connection belt pulley of connection couple the belt pulley expansion sleeve of covering plate and rotor main shaft.When occurring Carry situation when, rotor stops operating, and the coupling covering plate being connected by expansion sleeve with main shaft also stops therewith, and belt pulley by It continues to operate due to the effect of inertia in the effect of driving device, flywheel.At this point, connection belt pulley and coupling covering plate, Connection flywheel and the flywheel shearing bolt for coupling covering plate can be broken under the action of torsion, destroy belt pulley and main shaft, The drive connection of main shaft and flywheel, belt pulley, flywheel dally, and protect main shaft, also ensure the stability of device.
Annular groove is provided on the screw rod circumferencial direction of belt pulley shearing bolt and flywheel shearing bolt.Section where making slot For dangerouse cross-section, when torsion is excessive, screw rod can be broken at this section.So that belt pulley is dallied, plays mechanical protection Effect avoids overload damage caused by main shaft and other adverse effects.
Overload protection arrangement further includes the security lock arrangement being arranged on flywheel coupling covering plate.After overload protection comes into force, Belt pulley couples shield and flywheel coupling shield stops, and flywheel and belt pulley idle running, then is installed on flywheel coupling masking Safety lock on plate is opened, and lock core pop-up touches the safety switch being installed on shield, makes system alarm and at the first time Parking, thus plays the role of safeguard protection.
Rotor includes main shaft, knife rest, cutter, cutter pressing plate, cutter fixed plate and wear-resistant sleeve, and the cutter pressing plate passes through Screw is connect with fixed plate;Slot is arranged in cutter pressing plate side, forms cutter holding tank with fixed plate junction.It can be convenient ground Replacement, the maintenance of cutter are completed, and because rotor is overall structure, can satisfy intensity and toughness.
Main shaft, knife rest and fixed plate are welding.To make weldment reach the requirement of high tenacity, high abrasion, before welding, need Heat treatment appropriate is carried out to main shaft, knife rest and fixed plate.
Cutter is uniformly arranged on main shaft circumferencial direction, and is anchored on knife rest by screw.Cutter is in main shaft circumferencial direction Array distribution, guarantees cutter uniform force.
The extension elongation of cutter circumferentially is adjusted by the holding screw on the cutter pressing plate.
Cutter is parallelogram.Cutter manufacture cost is reduced, which turn over cutter upon wear Turning 180 ° can reuse, and when cutter both ends are worn-out, can remove cutter and sharpen, the cutter after sharpening, Identical as new knife performance, when installation sharpens cutter, the abrasion loss of cutter easily realizes benefit by the holding screw on cutter pressing plate It repays, cutter is worth available maximum performance;Cutter preferably uses high-intensitive, high abrasion alloy material, by right In the change of the shape of tool and material, effective tool life.
The angle [alpha] of cutter blade and main shaft meets 0 ° < α≤15 °, and rotor can ground when high speed rotation carries out crushing material Uniform load is converted by impact load, rotor is enable steadily to operate, is generated when crushing material can also be effectively reduced Noise.
Technical effect of the invention are as follows:
Vibration is reduced, noise is reduced, machine overload protection is provided for main shaft, and is shut down by safety lock, with ensuring equipment Safe and stable, efficient operation.
Detailed description of the invention
Fig. 1-2 is rotor structure schematic diagram;
Fig. 3 is rotor radial cross section structure schematic diagram;
Fig. 4 is schematic structural view of the invention;
Fig. 5 is safety lock schematic diagram.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawing:
As shown in attached drawing 1-5, rotor mill assembly, including rotor, rotor drive, the mistake for being set to rotor side The balancing device for carrying protective device and being set to the rotor other side.Balancing device includes flywheel 15, is cut by flywheel with flywheel 15 Cut the flywheel expansion sleeve that flywheel coupling covering plate 13, the connection rotor main shaft 1 that bolt 14 is connected couple covering plate 13 with flywheel 12.Overload protection arrangement includes that the belt pulley 8 connecting with rotor drive and belt pulley 8 pass through belt pulley and shear the company of bolt 9 The belt pulley expansion sleeve 11 of the belt pulley coupling covering plate 10, connection belt pulley coupling covering plate 10 and rotor main shaft 1 that connect.Rotor Including main shaft 1, knife rest 2, fixed plate 3, cutter 4 and cutter pressing plate 5, knife rest 2 is set on main shaft 1, and fixed plate 3 is mounted on knife rest In 2 card slot, main shaft 1, knife rest 2 and fixed plate 3 are to be fixedly mounted;Cutter pressing plate 5 is connect by holding screw 7 with fixed plate 3; Slot is arranged in 5 side of cutter pressing plate, forms cutter holding tank with 3 junction of fixed plate.Cutter 4 is uniformly arranged on 1 circumference of main shaft Direction, and be anchored on knife rest 2 by conjunction screw 6.Cutter 4 is parallelogram.The blade of cutter 4 and the angle [alpha] of main shaft 1 Meet 0 ° < α≤15 °.1 both ends of main shaft pass through belt pulley expansion sleeve 11 respectively, flywheel expansion sleeve 12 couples covering plate with belt pulley 10, flywheel coupling covering plate 13 is coupled, and belt pulley coupling covering plate 10, flywheel coupling covering plate 13 shear bolt by belt pulley 9, flywheel shearing bolt 14 is connected with flywheel 15 and belt pulley 8 respectively, and it is round that belt pulley, which shears bolt 9 and flywheel shearing bolt 14, Section where having slot, slot in circumferential direction is the bolt of dangerouse cross-section.
The setting of flywheel 15 considerably increases the rotary inertia of rotor, by this inertia force, in crushing process, rotor It is steadily operated, and can effectively reduce vibration and noise.
When overload situations occur, rotor stops operating, and passes through belt pulley expansion sleeve 11, flywheel expansion sleeve 12 and main shaft 1 Belt pulley coupling covering plate 10, the flywheel coupling covering plate 13 being connected also stop therewith, and belt pulley 8 is due to driving device It acts on, flywheel 15 is since the effect of inertia continues to operate.At this point, connection belt pulley 8 and belt pulley couple covering plate 10 The flywheel shearing bolt 14 that belt pulley shears bolt 9, connection flywheel 15 and flywheel coupling covering plate 13 can be under the action of torsion It is broken, destroys the drive connection of belt pulley 8 and main shaft 1, main shaft 1 and flywheel 15, belt pulley 8, flywheel 15 dally, and protect Main shaft 1 also ensures the stability of device operation.
Overload protection arrangement further includes the safety lock 16 being arranged on flywheel coupling covering plate 13.After overload protection comes into force, Flywheel couples covering plate 13 and belt pulley coupling shield 10 stops, and flywheel 15 and belt pulley 8 dally, then are installed on flywheel coupling The safety lock 16 closed on shield 13 is opened, and lock core pop-up touches the safety switch being installed on shield, makes system alarm simultaneously It stops in first time, thus plays the role of safeguard protection.
It should be pointed out that the above description is merely a specific embodiment, but protection scope of the present invention is not Be confined to this, anyone skilled in the art in the technical scope disclosed by the present invention, the change that can be readily occurred in Change is mutually replaced, and should be covered by the scope of protection of the present invention.Therefore, protection scope of the present invention should be with the claim Subject to protection scope.

Claims (6)

1. a kind of crusher rotor assembly, including rotor, rotor drive, the overload protection dress for being set to rotor side Set and be set to the balancing device of the rotor other side, it is characterised in that: balancing device includes that flywheel and flywheel pass through flywheel and shear The main shaft of flywheel coupling covering plate, connection rotor that bolt is connected couples the flywheel expansion sleeve of covering plate with flywheel;
The rotor includes main shaft, knife rest, cutter, cutter pressing plate, fixed plate and wear-resistant sleeve, and the cutter pressing plate passes through tight Determine screw to connect with fixed plate;Slot is arranged in cutter pressing plate side, forms cutter holding tank with fixed plate junction;
The cutter is distributed in main shaft circumferencial direction array, and is anchored on knife rest by screw;The overload protection Device includes the belt pulley connecting with rotor drive, shears bolted belt pulley by belt pulley with belt pulley and couple The belt pulley expansion sleeve of the main shaft of covering plate, connection belt pulley coupling covering plate and rotor.
2. a kind of crusher rotor assembly as described in claim 1, it is characterised in that: the belt pulley shears bolt Annular groove is provided with on the screw rod circumferencial direction of flywheel shearing bolt.
3. a kind of crusher rotor assembly as described in claim 1, it is characterised in that: the overload protection arrangement is also Including the security lock arrangement being arranged on flywheel coupling covering plate.
4. a kind of crusher rotor assembly as described in claim 1, it is characterised in that: the cutter is circumferentially Extension elongation is adjusted by the holding screw on the cutter pressing plate.
5. a kind of crusher rotor assembly as claimed in claim 4, it is characterised in that: the cutter is parallel four side Shape.
6. a kind of crusher rotor assembly as claimed in claim 5, it is characterised in that: the blade and main shaft of the cutter Angle [alpha] meet 0 ° of α≤15 ° <.
CN201410661301.9A 2014-11-19 2014-11-19 Novel rotor assembly of pulverizer Active CN105665102B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410661301.9A CN105665102B (en) 2014-11-19 2014-11-19 Novel rotor assembly of pulverizer

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Application Number Priority Date Filing Date Title
CN201410661301.9A CN105665102B (en) 2014-11-19 2014-11-19 Novel rotor assembly of pulverizer

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CN105665102A CN105665102A (en) 2016-06-15
CN105665102B true CN105665102B (en) 2019-03-19

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106733051A (en) * 2016-11-30 2017-05-31 广东隽诺环保科技股份有限公司 A kind of rotor for material recycle
CN106492956A (en) * 2016-11-30 2017-03-15 广东隽诺环保科技股份有限公司 Rotor for material recycle
CN109365052A (en) * 2018-12-14 2019-02-22 韶关核力重工机械有限公司 Heat dissipation type sand making machine rotor assembly

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2330411Y (en) * 1998-08-10 1999-07-28 冶金工业部北京冶金设备研究院 Overload protection and balance equipment for breaker
JPH11319612A (en) * 1998-05-11 1999-11-24 Heelios:Kk Two-shaft crusher
CN2898409Y (en) * 2006-04-03 2007-05-09 朱申明 Expanded connecting structure
CN101559400A (en) * 2008-04-15 2009-10-21 梁超 New generation rubber and plastic crusher
CN202155971U (en) * 2010-12-20 2012-03-07 湖北合加环境设备有限公司 Coarse crusher for rubber
CN202638472U (en) * 2012-04-26 2013-01-02 盛金平 Toothed roll crusher
CN204429443U (en) * 2014-11-19 2015-07-01 青岛软控机电工程有限公司 A kind of crusher rotor assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11319612A (en) * 1998-05-11 1999-11-24 Heelios:Kk Two-shaft crusher
CN2330411Y (en) * 1998-08-10 1999-07-28 冶金工业部北京冶金设备研究院 Overload protection and balance equipment for breaker
CN2898409Y (en) * 2006-04-03 2007-05-09 朱申明 Expanded connecting structure
CN101559400A (en) * 2008-04-15 2009-10-21 梁超 New generation rubber and plastic crusher
CN202155971U (en) * 2010-12-20 2012-03-07 湖北合加环境设备有限公司 Coarse crusher for rubber
CN202638472U (en) * 2012-04-26 2013-01-02 盛金平 Toothed roll crusher
CN204429443U (en) * 2014-11-19 2015-07-01 青岛软控机电工程有限公司 A kind of crusher rotor assembly

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Effective date of registration: 20220609

Address after: 266555 building a, No. 1000 Yanshan Road, Qingdao Economic and Technological Development Zone, Shandong Province

Patentee after: Qingdao Wanfang Recycling Technology Co.,Ltd.

Patentee after: Qingdao soft control Electromechanical Engineering Co., Ltd

Address before: 266000 Yingjiu Road, Jiaodong Street Office, Qingdao City, Shandong Province, South of Industrial Park Road

Patentee before: QINGDAO MESNAC ELECTROMECHANICAL ENGINEERING Co.,Ltd.

TR01 Transfer of patent right