CN110302871A - A kind of twin shaft steel scrap shredder - Google Patents
A kind of twin shaft steel scrap shredder Download PDFInfo
- Publication number
- CN110302871A CN110302871A CN201910647597.1A CN201910647597A CN110302871A CN 110302871 A CN110302871 A CN 110302871A CN 201910647597 A CN201910647597 A CN 201910647597A CN 110302871 A CN110302871 A CN 110302871A
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- China
- Prior art keywords
- roll shaft
- spacer
- cutterhead
- left roll
- right roll
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 125000006850 spacer group Chemical group 0.000 claims abstract description 146
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 32
- 238000010008 shearing Methods 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 6
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
- B02C18/182—Disc-shaped knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Abstract
The invention discloses a kind of twin shaft steel scrap shredders, including rack, driving device, torque limiter, speed reducer, cabinet, left roll shaft, right roll shaft, multiple toolboxs, synchronization mechanism, toolbox include cutterhead and spacer；Left roll shaft and right roll shaft are mounted in cabinet, and driving device drives left roll shaft and the rotation of right roll shaft opposite direction by torque limiter and speed reducer.Cutterhead and spacer are knockdown seperated knife, the inner hole of cutterhead and spacer is provided with axial boss, axial notch is circumferentially provided on left roll shaft and right roll shaft, the cutterhead and spacer is spaced can by the cooperation of boss and groove to be installed on left roll shaft and right roll shaft, cutterhead and spacer on left roll shaft and the spacer on right roll shaft and cutterhead respectively correspond setting, cutterhead and spacer are circumferentially respectively provided with teeth, and left roll shaft is also corresponded to each other with the tooth tip of spacer in clipped position with the cutterhead on right roll shaft in correspondence with each other, to participate in the shearing to material jointly and tear, more easily cut material.
Description
Technical field
The present invention relates to equipment for treating materials field, especially a kind of twin shaft steel scrap shredder.
Background technique
Steel scrap industry is often torn up steel scrap or steel scrap muscle with shredder both at home and abroad at present, and material type specification is made to meet the need of steel-making
It asks, the shredder on existing market is commonly present following three problems:
1) shredder generally uses motor+V belt translation+speed reducer to be driven, more high-power then to use low-speed big horse
It is driven up to+large torque speed reducer.Motor+V belt translation+speed reducer drive mode, arrangement is not compact, and gear-box bears skin
Band radial force, low-speed big torque motor are even more to be monopolized by foreign countries, and price is high, and procurement cycle is long.
2) it tears up rounding machine cutter and belongs to vulnerable part, must often replace, existing shredder generally uses integral cutter, when replacement
It is time-consuming and laborious, and influence client and use；Although also there is a small amount of producer using Split type cutter, typically radially installed, adopt
It is fixed with locating piece and bolt, locating piece disassembly is difficult, and the risk of bolt fracture is very big.
3) the cutterhead side edge on two roll shaft of existing cyclopentane gas detector or so forms shearing, to the material Transverse Shear horizontally entered into
It cuts；But for the material entered vertically into, usually cutterhead and the spacer on its opposite is squeezed off material by fashion of extrusion, when squeezing off
Energy consumption is high, and often occurs squeezing continuous situation.
Summary of the invention
In order to fill up the blank of the prior art, the present invention provides a kind of twin shaft steel scrap shredder.
A kind of twin shaft steel scrap shredder, including rack, driving device, torque limiter, speed reducer, cabinet, left roll shaft, the right side
Roll shaft, further includes multiple toolboxs and synchronization mechanism, and the toolbox includes cutterhead and spacer；The left roll shaft and right roller
Axis is mounted in cabinet, is separately installed with spaced apart cutterhead and spacer on the left roll shaft and right roll shaft, on left roll shaft
Spacer is correspondingly arranged with the cutterhead on right roll shaft, and the cutterhead on left roll shaft is correspondingly arranged with the spacer on right roll shaft；The driving
Device is corresponding also at least provided with two with the torque limiter of driving device cooperation and speed reducer at least provided with two
A, the cabinet is fixed on the rack with the driving device, and the driving device is divided into the tank ends, described
The driving device of cabinet front end drives left roll shaft rotation by torque limiter and speed reducer, the box back it is described
Driving device drives right roll shaft rotation by torque limiter and speed reducer；The synchronization mechanism is for guaranteeing left roll shaft and right roller
Axis rotates synchronously.
As an improvement of the above scheme, left roll shaft and right roll shaft parallel arrangement, left roll shaft and the rotation of right roll shaft opposite direction；Left roller
The groove for installing cutterhead and spacer is offered on axis and right roll shaft.
As an improvement of the above scheme, it is respectively arranged on the cutterhead and spacer and matches with the groove of left roll shaft or right roll shaft
The boss of conjunction, the cutterhead and spacer are arranged by the boss cooperation groove and are mounted on left roll shaft and right roll shaft, institute
It states cutterhead or spacer and passes through locking device axial restraint at the both ends of left roll shaft and right roll shaft.
As an improvement of the above scheme, the groove on the left roll shaft or right roll shaft is dovetail groove or T connected in star.
As an improvement of the above scheme, the spacer and cutterhead are made of at least two parts ontology, on the left roll shaft
The helical teeth of spacer and cutterhead is around axis inclined direction on the contrary, the helical teeth of spacer and cutterhead on the right roll shaft is around axis inclined direction phase
Instead.
As an improvement of the above scheme, the cutterhead includes at least two two cutter heads, and each head peripheral portion is set
It is equipped with the helical teeth, bottom is provided with the boss, and all cutter heads are grouped together into the cutterhead with inner hole；The spacer packet
At least two cutter hubs are included, each cutter hub peripheral part is provided with the helical teeth, and bottom is provided with the boss, all cutter hub groups
It is combined to form the spacer with inner hole.
As an improvement of the above scheme, on the axis projection face of the left roll shaft and right roll shaft, the left roll shaft upper slitter
Line when the helical teeth end of corresponding spacer is in closest approach or farthest point on the helical teeth end of disk and right roll shaft passes through described
The AnchorPoint of left roll shaft or right roll shaft.
As an improvement of the above scheme, on the axis projection face of the left roll shaft and right roll shaft, the left roll shaft or the right side
The helical teeth end interlaced arrangement of adjacent cutterhead on roll shaft, the helical teeth end of adjacent spacer interlocks cloth on the left roll shaft or right roll shaft
It sets.
As an improvement of the above scheme, the synchronization mechanism includes synchromesh gear 1 and synchromesh gear 2, synchromesh gear 1 and same
Step gear 2 is separately mounted on left roll shaft and right roll shaft and intermeshes.
As an improvement of the above scheme, the toolbox end face installed on the left roll shaft and right roll shaft and cabinet wall it
Between distance be greater than the width of single cutterhead or spacer.
The beneficial effects of the present invention are: the present invention adds torque limiter and speed reducer to drive left roll shaft and right roller by motor
The overload protection response time of axis rotation, characteristics of compact layout, speed reducer and motor is fast, and torque is big, and the at low cost and period is short.Cutterhead
It is all made of split type structure with spacer, and by axially mounted mode, the swallow being directly axially arranged with left roll shaft and right roll shaft
Stern notch or T-slot are coupled on left roll shaft and right roll shaft, and the fabricated structure of cutterhead and spacer is compared to traditional cutterhead
With spacer monolithic construction, it is good to dismount more convenient and structure stress.Cutterhead and spacer are circumferentially respectively provided with teeth, cutterhead and spacer
Interval is mounted on left roll shaft and right roll shaft, the cutterhead and spacer on left roll shaft on right roll shaft spacer and cutterhead is corresponding sets
It sets, and under the action of synchronization mechanism, the tooth tip of cutterhead and spacer on left roll shaft and right roll shaft in correspondence with each other is in clipped position
When also in correspondence with each other, the tooth tip of corresponding cutterhead and spacer participates in the shearing to material jointly and tears, and tears up with traditional steel scrap
The fashion of extrusion of machine is compared, it is easier to cut material.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is sectional view of the present invention；
Fig. 3 is the cutterhead of the left roll shaft of the present invention or the spacer or cutterhead corresponding position schematic diagram of spacer and right roll shaft；
Fig. 4 is the cutterhead of the left roll shaft of the present invention or the spacer or cutterhead corresponding position sectional view of spacer and right roll shaft；
Fig. 5 is the cutterhead of the left roll shaft of the present invention or the spacer or cutterhead corresponding position sectional view of spacer and right roll shaft；
Fig. 6 is left roll shaft of the invention or right roll shaft structure schematic diagram；
Fig. 7 is left roll shaft of the invention or right roll shaft is arranged the sectional view after cutterhead and spacer；
Fig. 8 is left roll shaft of the invention or right roll shaft is arranged the sectional view after cutterhead and spacer.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.Below in conjunction with embodiment, the present invention will be described in detail.
The present invention relates to a kind of twin shaft steel scrap shredders, make further specifically to the preferred embodiment of the present invention below
It is bright.It should be noted that in the present invention, left 60 present position of roll shaft is defined as on " left side ", locating for the right roll shaft 70
Position corresponds to " right side "；20 present position of driving device for driving the left roll shaft 60 to rotate is defined as " preceding ", then drives institute
It states 20 present position of driving device that right roll shaft 70 rotates and corresponds to " rear ".It is facilitated for description, in the present invention, by 82 He of spacer
81 helical teeth end of cutterhead is defined as tooth tip, i.e., the end that helical teeth tears up material one end is defined as tooth tip.
As shown in Figures 1 to 4, a kind of twin shaft steel scrap shredder, including rack 10, driving device 20, torque limiter 30,
Speed reducer 40, cabinet 50, left roll shaft 60, right roll shaft 70 further include multiple toolboxs 80 and synchronization mechanism, the toolbox
80 include cutterhead 81 and spacer 82；The left roll shaft 60 and right roll shaft 70 are mounted in cabinet 50, the left roll shaft 60 and right roller
Spaced apart cutterhead 81 and spacer 82 are separately installed on axis 70, the spacer 82 on left roll shaft 60 and the cutterhead on right roll shaft 70
81 are correspondingly arranged, and the cutterhead 81 on left roll shaft 60 is correspondingly arranged with the spacer 82 on right roll shaft 70, and it is mutual to be correspondingly arranged i.e. position
Corresponding, so that the spacer 82 is with the cutterhead 81, the position in the synchronous opposite rotation of left roll shaft 60 and right roll shaft 70 is mutual
Corresponding cutterhead 81 and spacer 82, which can cooperate, jointly shears material.The driving device 20 is at least provided with two
It is a, corresponding with the torque limiter 30 of the driving device 20 cooperation and speed reducer 40 also at least provided with two, the case
Body 50 and the driving device 20 are fixed in the rack 10, and stability is stronger, and the driving device 20 is divided into the case
50 both ends of body, left 60 front end of roll shaft and 70 rear end of right roll shaft are connected separately with the speed reducer 40, the torque limit
Device 30 processed is set between the driving device 20 and speed reducer 40, and the driving device 20 of 50 front end of cabinet passes through torsion
Square limiter 30 and speed reducer 40 drive left roll shaft 60 to rotate, and the driving device 20 of 50 rear end of cabinet is limited by torque
Device 30 and speed reducer 40 processed drive right roll shaft 70 to rotate, to realize that the left roll shaft 60 and the opposite direction of the right roll shaft 70 turn
Dynamic, and characteristics of compact layout, the overload protection response time of driving device 20 and speed reducer 40 is fast, can preferably protect equipment to
Extend the service life of equipment, and torque is big, it is at low cost；The synchronization mechanism is for guaranteeing that left roll shaft 60 is synchronous with right roll shaft 70
Rotation, thus guarantee the cutterhead 81 that is correspondingly arranged and spacer 82 in the opposite rotation synchronous with right roll shaft 70 of left roll shaft 60 its
Be in corresponding states always in clipped position, material sheared jointly, 60 upper tool pan 81 of clipped position, that is, left roll shaft or every
The tooth tip of set 82 and the tooth tip of spacer 82 or cutterhead 81 on corresponding right roll shaft 70 are apart from nearest position.
Preferably, the left roll shaft 60 and right roll shaft 70 are arranged in parallel, left roll shaft 60 and the opposite rotation of right roll shaft 70 with
The cutterhead 81 being correspondingly arranged and spacer 82 are realized to the shearing of material and is torn, thus broken material；Left roll shaft 60 and right roll shaft
Cutterhead 81 is installed on 70 and spacer 82 partially circumferentially offers array for installing the axial notch of cutterhead 81 and spacer 82
100, it is respectively arranged with what the groove 100 of array and the left roll shaft 60 or right roll shaft 70 cooperated on the cutterhead 81 and spacer 82
Boss 110, the cutterhead 81 and spacer 82 are cooperated by the boss 110 of its setting to be arranged on the left roll shaft 60 or right roll shaft 70
Groove 100 be sheathed on the left roll shaft 60 and right roll shaft 70, by the cooperation of the boss 110 and the groove 100 come
Torque is born, the locating piece and bolt of existing split type cutterhead 81 and spacer 82 are eliminated, is installed more convenient.The knife
Disk 81 or spacer 82 pass through locking device 120 at the both ends of left roll shaft 60 and right roll shaft 70 and are axially fixed at 60 He of left roll shaft
On right roll shaft 70, the locking device 120 includes locking nut, and the locking nut is sheathed on the left roll shaft 60 and right roll shaft
70 both ends carry out axial restraint to the cutterhead 81 and spacer 82.
As shown in Fig. 5 to Fig. 8, the groove 100 on the left roll shaft 60 or right roll shaft 70 is that dovetail groove 100 or T shape are recessed
The corresponding groove 100 of the boss 110 being arranged on slot 100, the cutterhead 81 and the inner hole of spacer 82 is shaped to and can cover
If entering in dovetail groove or dovetail boss 110 or T-shaped boss 110 in T-slot, to guarantee that the cutterhead 81 is smoothly covered with spacer 82
On the left roll shaft 60 and right roll shaft 70, dovetail groove or T-slot are set by the groove 100, cooperates dovetail boss 110
Or cutterhead 81 and spacer 82 are sheathed on the left roll shaft 60 and right roll shaft 70 by T-shaped boss 110, compared to existing by fixed
Cutterhead 81 and spacer 82 are fixed on left roll shaft 60 and right roll shaft 70 by position block and bolt, and stability is stronger, and structure stress is good, exempts from
In addition to existing split type cutterhead 81 and the locating piece and bolt of spacer 82, the risk of bolt fracture, and dismounting side are avoided
Just.
Preferably, the spacer 82 and cutterhead 81 are made of at least two parts ontology, to form split type cutterhead
81 or spacer 82, in order to replace damage when the tooth of cutterhead 81 or spacer 82 is damaged in long-term work to be needed replacing
The corresponding ontology of tooth does not need to replace entire cutterhead 81 or spacer 82, and in order to reduce the cost of replacement, preferably
The ontology quantity of the cutterhead 81 or spacer 82 is identical as the tooth tip quantity of cutterhead 81 or spacer 82, when some tooth tip is damaged
When, only need to change the corresponding ontology of tooth tip of damage.
Preferably, the cutterhead 81 includes at least two two cutter heads 811, each 811 peripheral part of cutter head setting
There is the helical teeth, bottom is provided with the boss 110, and all cutter heads 811 are grouped together into the cutterhead 81 with inner hole, described
Helical teeth on cutterhead 81 tilts along clockwise direction, and the helical teeth on the cutterhead 81 is the cutter for actively tearing up material；It is described every
Set 82 includes at least two cutter hubs 821, and each 821 peripheral part of cutter hub is provided with the helical teeth, and bottom is provided with described convex
Platform 110, all cutter hubs 821 are grouped together into the spacer 82 with inner hole, and the helical teeth on the spacer 82 is in the counterclockwise direction
It tilts, the helical teeth on the spacer 82 is the cutter for passively tearing up material.The cutterhead 81 is all made of combined type knot with spacer 82
Structure, is combined into the cutterhead 81 and spacer 82 of disc type by cutter head 811 and cutter hub 821 respectively, cutterhead 81 and spacer 82
Inner hole is axially provided with boss 110, is cooperated by the groove 100 being arranged on boss 110 and the left roll shaft 60 and right roll shaft 70
Make cutterhead 81 and spacer 82 can be arranged on the left roll shaft 60 of installation and right roll shaft 70, eliminate existing seperated knife connection bolt and
Locating piece, structure is simple, easy to disassemble and replacement damage cutterhead 81 and spacer 82.
As a preferred embodiment of the above solution, as shown in figure 5, on the axis projection face of the left roll shaft 60 or right roll shaft 70,
Plane where the section at 811 both ends of cutter head passes through the left roll shaft 60 or the AnchorPoint of right roll shaft 70,821 liang of the cutter hub
Plane where the section at end is also by the left roll shaft 60 or the AnchorPoint of right roll shaft 70, to guarantee cutter head 811 and cutter hub
821 can be combined into the cutterhead 81 and spacer 82 of disc type, and 81 He of cutterhead after combination around left roll shaft 60 or right roll shaft 70
82 close structure of spacer, integraty are good.
With 81 helical teeth of spacer 82 and cutterhead on roll shaft tooth tip towards on the contrary, and the cutterhead 81 on left roll shaft 60 tooth tip
It is identical with the tooth tip inclined direction of spacer 82 on right roll shaft 70,70 upper tool pan of tooth tip and right roll shaft of the spacer 82 on left roll shaft 60
81 tooth tip inclined direction is identical, the tooth tip for the cutterhead 81 being arranged on left roll shaft 60 or right roll shaft 70 and corresponding right roll shaft
70 or line of the tooth tip in clipped position of spacer 82 that is arranged of left roll shaft 60 pass through the left roll shaft 60 or right roll shaft 70 at place
AnchorPoint, the spacer on the tooth tip and corresponding right roll shaft 70 of 60 upper tool pan 81 of clipped position, that is, left roll shaft or spacer 82
82 or cutterhead 81 tooth tip apart from nearest position, since left roll shaft 60 does synchronous opposite rotation with right roll shaft 70, when a left side
82 tooth tip of spacer on roll shaft 60 and 81 tooth tip of cutterhead on right roll shaft 70 are turned between left roll shaft 60 and right roll shaft 70 and are cut
Cut position and in correspondence with each other when, the tooth tip of the spacer 82 on the left roll shaft 60 and corresponding 70 upper tool pan 81 of right roll shaft
Line of the tooth tip in clipped position passes through 70 center line of the left roll shaft 60 or right roll shaft；And left roll shaft 60 and right roll shaft 70 it
Between clipped position be material channel, therefore no matter material is horizontally entered into or is entered vertically into, left roll shaft 60 and right roll shaft 70
The tooth tip of upper corresponding spacer 82 and cutterhead 81 will be sheared and be torn to material in clipped position, to shred object
Material.
The preferred embodiment of split type cutterhead 81 and spacer 82: each cutterhead 81 can be made of 6 cutter heads 811, each knife
First 811 arrange around main shaft by circumference clockwise or counterclockwise, are provided with 12 dovetail grooves or T on left roll shaft 60 or right roll shaft 70
Shape slot, each 811 bottom of cutter head be provided with 2 boss 110 on left roll shaft 60 or right roll shaft 70 dovetail groove or T-slot match
It closes, 6 cutter heads 811 collectively constitute a cutterhead 81, and spacer 82 similarly, is pacified since the cutterhead 81 is spaced with the spacer 82
Dress, the locking nut is sheathed on the left roll shaft 60 and the both ends of right roll shaft 70 carry out axis to the cutterhead 81 and spacer 82
To fixation, therefore the cutterhead 81 and the spacer 82 can be stably fixed on institute without installing any connection bolt or locating piece additional
It states on left roll shaft 60 or right roll shaft 70, it therefore, only need to be along the axial by the knife of the left roll shaft 60 or right roll shaft 70 when dismounting
Disk 81 or spacer 82 are released, and eliminate the cumbersome process such as disassembly of bolt and locating piece, dismounting is more convenient, to cutterhead
81 and spacer 82 maintenance and replacement it is more convenient, cost is lower.
Preferably, the center of the left roll shaft 60 and right roll shaft 70 is away from slightly larger than 82 radius of addendum of cutterhead 81 and spacer
The sum of, the sum of 82 radius of addendum of cutterhead 81 and spacer be 81 center of circle of cutterhead and 81 tooth tip of cutterhead distance plus 82 center of circle of spacer with
82 tooth tip sum of the distance of spacer passes through to reserve a channel between the left roll shaft 60 and right roll shaft 70 for shearing material,
Thus channel falls to material storing box or conveyer belt to the material sheared.
Preferably, on roll shaft spacer 82 and the circumferential setting tooth tip of cutterhead 81 towards opposite tooth, and because of same roll shaft
On spacer 82 and the setting of the interval of cutterhead 81 so that the tooth tip of the spacer 82 and cutterhead 81 that are arranged on left roll shaft 60 and right
The tooth tip of the cutterhead 81 and spacer 82 that are arranged on roll shaft 70 can cooperate the synchronization mechanism to make in correspondence with each other in clipped position
Left roll shaft 60 and right roll shaft 70 it is synchronous it is opposite rotate when, in clipped position, 70 upper tool pan of the left roll shaft 60 or right roll shaft
70 center of tooth tip, 60 center of left roll shaft and right roll shaft of spacer 82 on 81 tooth tip, corresponding right roll shaft 70 or left roll shaft 60
Four points are conllinear in clipped position, to guarantee the left roll shaft 60 and cutterhead 81 corresponding on right roll shaft 70 and spacer 82
Tooth tip participates in the shearing to material in clipped position jointly, compared with conventional extruded mode tears up the mode of material, it is easier to
Material is cut, energy consumption is smaller with equipment loss.
As optional embodiment, 82 diameter of spacer be less than 81 diameter of cutterhead, make 81 tooth tip of cutterhead and
The linear velocity of 82 tooth tip of spacer has differences, and tears the effect for being sheared material to be formed, it is easier to tear up and cutting object
Material.
Preferably, the tooth of the spacer 82 on the left roll shaft 60 or right roll shaft 70 is correspondingly arranged with the tooth on cutterhead 81,
And the tooth tip on the tooth tip of the tooth on spacer 82 and corresponding cutterhead 81 is in the left roll shaft 60 at place or the axis of right roll shaft 70
Line when being in closest approach or farthest point on perspective plane passes through the left roll shaft 60 or the AnchorPoint of right roll shaft 70, AnchorPoint
That is the central point of the axis of the corresponding left roll shaft 60 in the perspective plane or right roll shaft 70, to guarantee the left roll shaft 60 and right roll shaft 70
The tooth tip of upper corresponding cutterhead 81 and spacer 82 participates in the shearing to material in clipped position jointly, and the institute in the design of tooth
Stating 82 number of teeth of spacer can be equal with 81 number of teeth of cutterhead, and 82 number of teeth of spacer can also be more than 81 number of teeth of cutterhead, and excellent
The quantity of tooth being selected as on spacer 82 between two adjacent teeth corresponding with teeth two adjacent on the cutterhead 81 is identical, i.e.,
The quantity of tooth is the integral multiple of the quantity of tooth on the cutterhead 50 on the spacer 60.
Preferably, 81 interlaced arrangement of two neighboring cutterhead installed on the left roll shaft 60 or right roll shaft 70, i.e., described
At least one groove 100 that is staggered when being inserted in the left roll shaft 60 or right roll shaft 70 of cutterhead 81 is inserted in the left roll shaft 60 or right roller
The quantity of axis 70, the groove 100 being staggered changes according to the quantity of tooth on cutterhead 81, likewise, described in adjacent on roll shaft
The groove 100 that is staggered when being inserted in the left roll shaft 60 or right roll shaft 70 of spacer 82 is inserted in the left roll shaft 60 or right roll shaft
70, cutting object material when the cutterhead 81 to guarantee different groups is different from different groups of spacer 82 reduces shearing resistance.
As optional embodiment, if the wider width of required shearing material, can by the identical cutterhead 81 of several groups or
The superposition of spacer 82 is placed, and spacer 82 may be set to be not toothed round spacer 82.
Preferably, the synchronization mechanism includes synchromesh gear 1 and synchromesh gear 2, synchromesh gear 1 and synchromesh gear 2 divide
It is not mounted on left roll shaft 60 and right roll shaft 70 and intermeshes, the synchronization mechanism passes through the synchromesh gear 1 and synchronous gear
Wheel 2 drives the left roll shaft 60 and right roll shaft 70 to rotate synchronously, to guarantee 70 upper tool pan 81 of the left roll shaft 60 or right roll shaft
The AnchorPoint of the tooth tip of spacer 82,60 center of left roll shaft and right roll shaft 70 on tooth tip, corresponding right roll shaft 70 or left roll shaft 60
Four points in clipped position 4 points it is conllinear, to guarantee cutterhead 81 and spacer 82 to the shear effect of material.
Preferably, between 50 inner wall of 80 end face of toolbox installed on the left roll shaft 60 and right roll shaft 70 and cabinet
Distance be greater than the width of single cutterhead 81 or spacer 82.For the cutterhead 81 or spacer 82 of damage easy to disassemble, the left roll shaft
60 and right roll shaft 70 on the distance between 50 inner wall of 80 end face of toolbox and cabinet installed be greater than single cutterhead 81 or spacer
82 width, since the cutterhead 81 and spacer 82 are set on the left roll shaft 60 or right roll shaft 70, described in dismounting
Cutterhead 81 and when spacer 82, need to only unscrew the locking nut of the left roll shaft 60 and the setting of 70 end of right roll shaft, by cutterhead 81 with
The groove 100 that spacer 82 is arranged along the left roll shaft 60 or right roll shaft 70 one by one is released, therefore, in order to ensure that cutterhead
81 smoothly release from the left roll shaft 60 or right roll shaft 70 with spacer 82, need to pacify on the left roll shaft 60 and right roll shaft 70
The distance between 50 inner wall of 80 end face of toolbox and cabinet of dress is set greater than the width of single cutterhead 81 or spacer 82,
Smoothly the cutterhead of damage 81 or the release of spacer 82 can be replaced.
Finally, it is stated that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited, to the greatest extent
Pipe is described the invention in detail referring to preferred embodiment, it should be appreciated by those of ordinary skill in the art that can be right
Technical solution of the present invention is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be contained
It covers in scope of the presently claimed invention.
Claims (10)
1. a kind of twin shaft steel scrap shredder, including rack (10), driving device (20), torque limiter (30), speed reducer (40),
Cabinet (50), left roll shaft (60), right roll shaft (70), it is characterised in that: further include multiple toolboxs (80) and synchronization mechanism
(90), the toolbox (80) includes cutterhead (81) and spacer (82)；The left roll shaft (60) and right roll shaft (70) are mounted on
In cabinet (50), spaced apart cutterhead (81) and spacer are separately installed on the left roll shaft (60) and right roll shaft (70)
(82), the spacer (82) on left roll shaft (60) is correspondingly arranged with the cutterhead (81) on right roll shaft (70), the knife on left roll shaft (60)
Disk (81) is correspondingly arranged with the spacer (82) on right roll shaft (70)；The driving device (20) is and described at least provided with two
The torque limiter (30) and speed reducer (40) of driving device (20) cooperation are accordingly also at least provided with two, the cabinet
(50) it is fixed on the rack (10) with the driving device (20), the driving device (20) is divided into the cabinet (50)
The driving device (20) at both ends, cabinet (50) front end drives left roller by torque limiter (30) and speed reducer (40)
The driving device (20) of axis (60) rotation, cabinet (50) rear end is driven by torque limiter (30) and speed reducer (40)
Move right roll shaft (70) rotation；The synchronization mechanism (90) is for guaranteeing that left roll shaft (60) and right roll shaft (70) rotate synchronously.
2. a kind of twin shaft steel scrap shredder according to claim 1, it is characterised in that: the left roll shaft (60) and right roll shaft
(70) it is arranged in parallel, left roll shaft (60) and the opposite rotation of right roll shaft (70)；It is opened up on left roll shaft (60) and right roll shaft (70) useful
Groove (100) in installation cutterhead (81) and spacer (82).
3. a kind of twin shaft steel scrap shredder according to claim 2, it is characterised in that: the cutterhead (81) and spacer (82)
On be respectively arranged with the groove (100) of left roll shaft (60) or right roll shaft (70) cooperation boss (110), the cutterhead (81) and
Spacer (82) is arranged by the boss (110) cooperation groove (110) and is mounted on left roll shaft (60) and right roll shaft (70),
The cutterhead (81) or spacer (82) are axially solid by locking device (120) at the both ends of left roll shaft (60) and right roll shaft (70)
It is fixed.
4. a kind of twin shaft steel scrap shredder according to claim 3, it is characterised in that: the groove (100) is that dovetail is recessed
Slot (100) or T connected in star (100), the boss (110) correspond to dovetail boss (110) or T-shaped boss (110).
5. a kind of twin shaft steel scrap shredder according to claim 3, it is characterised in that: the spacer (82) and cutterhead (81)
It is made of at least two parts ontology, the helical teeth of spacer (82) and cutterhead (81) on the left roll shaft (60) is around axis inclined direction phase
Instead, the helical teeth of the spacer (82) on the right roll shaft (70) and cutterhead (81) is opposite around axis inclined direction.
6. a kind of twin shaft steel scrap shredder according to claim 5, it is characterised in that: the cutterhead (81) includes at least two
A two cutter heads (811), each cutter head (811) peripheral part are provided with the helical teeth, and bottom is provided with the boss
(110), all cutter heads (811) are grouped together into the cutterhead (81) with inner hole；The spacer (82) includes at least two knives
Body (821), each cutter hub (821) peripheral part are provided with the helical teeth, and bottom is provided with the boss (110), all knives
Body (821) is grouped together into the spacer (82) with inner hole.
7. a kind of twin shaft steel scrap shredder according to claim 6, it is characterised in that: in the left roll shaft (60) and right roller
On the axis projection face of axis (70), on the helical teeth end of left roll shaft (60) upper tool pan (81) and right roll shaft (70) it is corresponding every
Line when the helical teeth end of set (82) is in closest approach or farthest point passes through the left roll shaft (60) or the axis of right roll shaft (70)
Heart point.
8. a kind of twin shaft steel scrap shredder according to claim 4, it is characterised in that: in the left roll shaft (60) and right roller
On the axis projection face of axis (70), the helical teeth end of adjacent cutterhead (81) interlocks cloth on the left roll shaft (60) or right roll shaft (70)
It sets, the helical teeth end interlaced arrangement of adjacent spacer (82) on the left roll shaft (60) or right roll shaft (70).
9. a kind of twin shaft steel scrap shredder described in any one of -7 according to claim 1, it is characterised in that: the synchronization mechanism
It (90) include synchromesh gear 1 and synchromesh gear 2, synchromesh gear 1 and synchromesh gear 2 are separately mounted to left roll shaft (60) and right roll shaft
(70) it on and intermeshes.
10. a kind of twin shaft steel scrap shredder according to claim 8, it is characterised in that: the left roll shaft (60) and right roller
The distance between toolbox (80) end face installed on axis (70) and cabinet (50) inner wall are greater than single cutterhead (81) or spacer
(82) width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647597.1A CN110302871B (en) | 2019-07-17 | 2019-07-17 | Biax steel scrap shredder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647597.1A CN110302871B (en) | 2019-07-17 | 2019-07-17 | Biax steel scrap shredder |
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| CN110302871B CN110302871B (en) | 2024-03-26 |
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| CN104368411A (en) * | 2013-08-13 | 2015-02-25 | 广州市联冠机械有限公司 | Heavy duty double-shaft scrap steel shredder |
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| JP3220525U (en) * | 2018-12-11 | 2019-03-14 | 猪野 貴行 | Biaxial crusher and blade |
| CN210646696U (en) * | 2019-07-17 | 2020-06-02 | 长沙中金智能装备有限公司 | Double-shaft scrap steel shredder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007307520A (en) * | 2006-05-22 | 2007-11-29 | Shin Nippon Yogyo Kk | Complex biaxial crusher |
| CN201997367U (en) * | 2010-12-17 | 2011-10-05 | 广州市联冠机械有限公司 | Double-shaft shredding machine |
| CN104368411A (en) * | 2013-08-13 | 2015-02-25 | 广州市联冠机械有限公司 | Heavy duty double-shaft scrap steel shredder |
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| CN110302871B (en) | 2024-03-26 |
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