CN110000965A - A kind of zigzag double roller drum-type rubber grinder and its cutting Flour milling method - Google Patents
A kind of zigzag double roller drum-type rubber grinder and its cutting Flour milling method Download PDFInfo
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- CN110000965A CN110000965A CN201910292802.7A CN201910292802A CN110000965A CN 110000965 A CN110000965 A CN 110000965A CN 201910292802 A CN201910292802 A CN 201910292802A CN 110000965 A CN110000965 A CN 110000965A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 46
- 238000003801 milling Methods 0.000 title claims abstract description 24
- 235000013312 flour Nutrition 0.000 title claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 36
- 238000010008 shearing Methods 0.000 claims description 32
- 238000004513 sizing Methods 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000002195 synergetic effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 49
- 238000006477 desulfuration reaction Methods 0.000 abstract description 9
- 230000023556 desulfurization Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000010525 oxidative degradation reaction Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010298 pulverizing process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000001816 cooling Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 230000003009 desulfurizing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000693 micelle Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 210000003781 tooth socket Anatomy 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000007787 solid Substances 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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/44—Cooling or heating rollers or bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B17/0404—Disintegrating plastics, e.g. by milling to powder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of zigzag double roller drum-type rubber grinder and its cutting Flour milling methods, belong to rubber pulverizing technology field.Zigzag double roller drum-type rubber grinder of the invention, it is fixed on board seat including board seat, by bearing and its bearing block rotary type, and the big roller and pony roll rotated towards each other in the state of being parallel to each other, it can be in frame-shaped structure on board seat, two sides are the fixation wall of rectilinear fixation double roller, it is fixed with bearing block within the walls, double roller passes through bearing by its axis and is fixed on two fixed sides within the walls；The roll surface of big roller and pony roll is staggeredly equipped with convex, the recessed sawtooth in axial parastate, respectively convex sawtooth I, recessed sawtooth I and convex sawtooth II, recessed sawtooth II；There is slanting angle theta between convex, recessed sawtooth and the roller center line of double roller.The present invention can reduce the generation of heat in crushing process in cutting process, guarantee that the temperature generated can be quickly cooled down, and avoids rubber powder overheat in part from desulfurization state occur, or even oxidative degradation occurs, plays unexpected technical effect.
Description
Technical field
The present invention relates to rubber pulverizing technology fields, grind more particularly to a kind of zigzag double roller drum-type rubber
Powder machine and its cutting Flour milling method.
Background technique
Currently, rubber grinder is divided into double-roll type flour mill and buhrstone mill two major classes, double-roll type flour mill is main
For the milling of the rubber products sizing material such as rubber, tire, wherein blanket roller is the arc groove surface through polishing, rear roller be through
The sawtooth flute surfaces of polishing, two rollers are made of chilled cast iron, surface hard wear resistant, be inside roller it is hollow, can basis
Requirement is passed through cooling water circulation, and for the surface temperature of adjusting roller, two rollers make opposite return at different rates
Turn, pull in sizing material in two roll gap and be machined, for example the mechanical various waste olds of equipment utilization of waste old milling do original
Material acts on the lower principle ground using high pressure, waste old is carried out producing rubber powder being recycled；Abrasive disk type mill
The basic principle of powder machine is by the relative motion of two mills to mill and reach crushing material purpose material cutting.Using double
The cooling effectively control crushing material temperature of water, to obtain ideal product quality.
Either double-roll type flour mill or buhrstone mill all have a problem that, i.e., because this body structure and work are former
There are fluffy strips for the rubber powder obtained after reason milling, or even the state of partial desulfurization occur, this has seriously affected the matter of rubber powder
Amount feeds the problems such as being also easy to produce blocking as produced reclaimed rubber for the use of subsequent rubber powder.
Through retrieving, China Patent Publication No.: publication date: CN107839111A is disclosed a kind of double on March 27th, 2018
Roller rubber grinder is equipped with high revolving speed roller adjacent described in high revolving speed roller in cabinet and is provided with slow-speed of revolution roller, and two
There are roll gaps between roller, and the outer surface of high and low rotating speed roller is smooth roll, and the operating of high revolving speed roller is to pass through high-speed motor
Coupled by shaft coupling with high deceleration machine, the high deceleration machine is coupled by shaft coupling with high revolving speed roller, slow-speed of revolution roller
The operating of cylinder is coupled by shaft coupling with low-range reduction machine by slowspeed machine, the low-range reduction machine pass through shaft coupling with it is low
The connection of revolving speed roller.The technical solution uses double roller cylinder, and motor respectively individually directly couples with speed reducer, one high revolving speed roller
Cylinder, the other is slow-speed of revolution roller, and respectively individually directly coupled with speed reducer by motor, it is non-interference, and two rollers are opposite
Rotation, the rubber powder fineness of flour mill production is in 40-120 mesh, to meet the high elastic rubber material and product of different hardness
The requirement of fineness and production efficiency.The outer surface of flour mill high and low rotating speed roller is smooth roll in the program, by the way of rubbing mill with the hands
Contact area it is big, material size obtained is larger, and appearance is fluffy.
Summary of the invention
1. technical problems to be solved by the inivention
For rubber grinder in the prior art, granularity is larger in rubber milling process, the fluffy problem of appearance, this hair
It is bright to provide a kind of zigzag double roller drum-type rubber grinder and its cutting Flour milling method.Rubber grinder of the present invention passes through flat
Convex, the recessed sawtooth of the double roller roller of row state it is angularly disposed, the mode for rubbing mill with the hands is changed to the mode of saw cut, glue obtained
Powder is irregular granular rubber powder, and the soft fluffy state of appearance is taken on a new look significantly.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of zigzag double roller drum-type rubber grinder, including it is board seat, solid by bearing and its bearing block rotary type
It can be in frame-shaped structure on board seat due on board seat, and the big roller and pony roll rotated towards each other in the state of being parallel to each other, two
Side is the fixation wall of rectilinear fixation double roller, is fixed with bearing block within the walls, and double roller passes through bearing by its axis and is fixed on two
Fixed side within the walls；The big roller drives with the rotation big roller drive motor that driven type connects by its end respectively and pony roll of pony roll
Dynamic motor driving, big roller drive motor and pony roll drive motor are fixed on the outside of fixed wall；The roll surface of the big roller and pony roll is equal
It is staggeredly equipped with convex, the recessed sawtooth in axial parastate, respectively convex sawtooth I, recessed sawtooth I and convex sawtooth II, recessed sawtooth II；
There is slanting angle theta between convex, the recessed sawtooth and the roller center line of double roller.
The Combination Design of zigzag structure and slanting angle theta in rubber grinder double roller guarantees in double roller operation process
Mode that rubber between the two sawtooth is cut crushes, and tradition is avoided to rub the mode of mill with the hands, so that obtained rubber powder master
, moreover, rubber powder crushes the mode for rubbing mill with the hands compared to the prior art, crushing process can also be reduced in cutting process with graininess
The generation of middle heat guarantees that the temperature generated can be quickly cooled down, and avoids rubber powder overheat in part from desulfurization state occur, plays expectation not
The technical effect arrived.
Further, convex, recessed sawtooth is when double roller is rotated in convex sawtooth I and convex sawtooth II, recessed sawtooth I and recessed sawtooth II
Cooperate corresponding relationship one by one, miss chopping during chopping to avoid part rubber powder, to reach the mesh that rubber powder uniformly shreds
's；Recessed sawtooth I and recessed sawtooth II form balancing slit when cutting material when double roller rotates, and play the rubber powder for guaranteeing saw cut
It is leaked out after being squeezed into balancing slit inside and reaches steady pressure effect, avoided material local accumulation pressure excessive and cause
Powder heating desulfurization or even oxidative degradation.
Further, the rotating ratio of big roller and pony roll is (1~12): 1, in other conditions, such as roller diameter, slanting angle
Under the premise of θ etc. is certain, rotating ratio is bigger, and the heat for shearing generation is bigger, and the efficiency of cutting mode milling is higher, opposite revolving speed
Than smaller, the heat for shearing generation is smaller, and the efficiency of cutting mode milling is lower；Meanwhile rotating ratio is bigger, shears the heat of generation
Amount is also bigger, then the energy consumption by the cooling loss of cooling water is bigger, and the utilization rate of energy is lower；Rotating ratio gets over hour, cutting side
The efficiency of formula milling is lower, and the generation of rubber powder is too low, or even is difficult to generate the rubber powder of required granularity；Therefore, the grain needed for guaranteeing
Under the premise of the maximum production capacity of the rubber powder of degree, rotating ratio is (1~12): 1 range, can control shearing to greatest extent and generate
Heat；Convex sawtooth I and convex sawtooth II in rotational direction on anterior angle α be respectively less than after angle beta, effect be convex sawtooth I with it is convex
The collision of sawtooth II generates shearing force.
Further, the diameter of big roller and pony roll ratio are as follows: (1.1~2.2): 1, formed shear difference, diameter than it is excessive when, two
Roller service life difference is larger, reduces the efficiency of combination production, when too small, be easy to appear tooth socket engagement and influence shearing effect
Fruit；Angle theta is 5 °~20 °, and angle theta is too small, then cutting edge is sharper, and intensity is lower, easy when being milled by cutting mode
Abrasion and service life is shorter；Angle theta is too big, then cutting edge is wider, and intensity is higher, very when being milled by cutting mode
To being difficult to for micelle cutting mode being milled to the rubber powder of required granularity, that is, it is milled more difficult, angle theta is 5 °~20 °, Neng Goujian
Care for the requirement of service life and the granularity that is milled；Convex sawtooth I is consistent with the oblique direction of convex sawtooth II, and shearing is avoided to deviate from, and improves
Shear efficiency.Rotating ratio and angle theta coordinated, play combination action effect, can take into account shearing heat, shear efficiency, cut
Pelletizing degree and service life
Further, the gap between big roller and pony roll is 0.01~2mm, is adjusted accordingly according to granularity needs；
The equivalent width of convex, recessed sawtooth, the convex sawtooth height are consistent with the depth of recessed sawtooth, form stable balancing slit, and production is steady
Fixed uniform product granularity.
Further, the gap between big roller and pony roll is adjusted by double roller gap adjusting mechanism, double roller gap adjustment machine
Structure can select the ball-screw, sliding block and rail structure of the prior art, i.e. bearing block is fixedly connected with sliding block；Ball-screw is worn
Threaded center in crossing, sliding block two sides are sliding rail, the external adjusting motor of ball-screw；Big roller drive motor and pony roll drive
Dynamic motor is hydraulic motor, and stability is good, acts synergistically with balancing slit, further increases stable product granularity.
Further, the rotating ratio of big roller and pony roll is 8:1, in conjunction with determining double roller diameter ratio, in the maximum for guaranteeing rubber powder
Under the premise of production capacity, the heat generated is sheared in control to greatest extent.
Further, the inner cavity of big roller and pony roll is by the external recirculated cooling water of cooling water connector, the heat that shearing is generated
Amount is taken away in time, avoids high temperature desulfurizing or even the oxidative degradation of material.
A kind of cutting Flour milling method of zigzag double roller drum-type rubber grinder, step are as follows:
Step 1: adjusting gap: adjusting the gap between big roller and pony roll according to sizing material milling granularity requirements；
Step 2: starting double roller: starting double roller by starting big roller drive motor and pony roll drive motor and rotate towards each other；
Step 3: charging: sizing material coarse granule is passed through the hopper freely falling body right above the gap between big roller and pony roll
In formula blanking to gap；
Step 4: cutting type is milled: under the synergistic effect of convex sawtooth I and convex sawtooth II, the anterior angle α of two sawtooth is in sharp
Angle forms shearing force when close to each other, thick sizing material is sheared, and the fines after shearing is squeezed under extruding force effect and pressed
Slot；
Step 5: blanking: with the rotation of double roller, fines is natural under the effect of vibration that double roller rotation generates in balancing slit
In blanking to the temporary bucket of fines.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
(1) a kind of zigzag double roller drum-type rubber grinder of the invention, zigzag structure and slanting folder in double roller
The Combination Design of angle θ guarantees the mode that the rubber in double roller operation process between the two sawtooth is cut to crush, and avoids
Tradition rubs the mode of mill with the hands, so that obtained rubber powder is mainly with graininess, moreover, rubber powder crushes the side for rubbing mill with the hands compared to the prior art
Formula can also reduce the generation of heat in crushing process in cutting process, guarantee that the temperature generated can be quickly cooled down, avoid part
There is desulfurization state in rubber powder overheat, plays unexpected technical effect；
(2) a kind of zigzag double roller drum-type rubber grinder of the invention, convex, recessed sawtooth double roller rotate when one by one
Cooperate corresponding relationship, chopping is missed during chopping to avoid part rubber powder, to achieve the purpose that rubber powder uniformly shreds；
(3) a kind of zigzag double roller drum-type rubber grinder of the invention, recessed sawtooth I and recessed sawtooth II are rotated in double roller
When balancing slit when forming cutting material, play the rubber powder for guaranteeing saw cut and leak out after being squeezed into balancing slit inside
Reach steady pressure effect, avoids material local accumulation pressure excessive and cause powder heating desulfurization or even oxidative degradation；
(4) a kind of zigzag double roller drum-type rubber grinder of the invention, other conditions, such as roller diameter, slanting folder
Under the premise of angle θ etc. is certain, rotating ratio is bigger, and the heat for shearing generation is bigger, and the efficiency of cutting mode milling is higher, phase reversal
Speed ratio is smaller, and the heat for shearing generation is smaller, and the efficiency of cutting mode milling is lower；Meanwhile rotating ratio is bigger, shears generation
Heat is also bigger, then the energy consumption by the cooling loss of cooling water is bigger, and the utilization rate of energy is lower；Rotating ratio is got over hour, cutting
The efficiency that mode is milled is lower, and the generation of rubber powder is too low, or even is difficult to generate the rubber powder of required granularity；Therefore, needed for guarantee
Under the premise of the maximum production capacity of the rubber powder of granularity, rotating ratio is (1~12): 1 range, can control shearing to greatest extent and produce
Raw heat；Convex sawtooth I and convex sawtooth II in rotational direction on anterior angle α be respectively less than after angle beta, effect be convex sawtooth I with
The collision of convex sawtooth II generates shearing force；
(5) a kind of zigzag double roller drum-type rubber grinder of the invention, angle theta is too small, then cutting edge is sharper,
Intensity is lower, and when being milled by cutting mode, service life easy to wear is shorter；Angle theta is too big, then cutting edge is wider,
Intensity is higher, even is difficult to for micelle cutting mode being milled to the rubber powder of required granularity when being milled by cutting mode, that is, grinds
Powder is more difficult, and angle theta is 5 °~20 °, can take into account the requirement of service life and the granularity that is milled；Convex sawtooth I and convex sawtooth II
Oblique direction it is consistent, avoid shearing deviate from, improve shear efficiency；
(6) a kind of zigzag double roller drum-type rubber grinder of the invention, the diameter ratio of big roller and pony roll are as follows: (1.1~
2.2): 1, formed shear difference, diameter than it is excessive when, two roller service lifes difference it is larger, reduce combination production efficiency, it is too small
When, it is easy to appear tooth socket engagement and influences shear effect；Cooperate rotating ratio and angle theta, plays combination action effect, can take into account
Shear heat, shear efficiency, shearing granularity and service life；
(7) a kind of zigzag double roller drum-type rubber grinder of the invention is adjusted accordingly according to granularity needs
The gap of double roller；
(8) a kind of zigzag double roller drum-type rubber grinder of the invention, it is the equivalent width of convex, recessed sawtooth, described convex
Sawtooth height is consistent with the depth of recessed sawtooth, forms stable balancing slit, produces the product granularity of stable and uniform；
(9) rotating ratio of a kind of zigzag double roller drum-type rubber grinder of the invention, big roller and pony roll is 8:1, is
Optimized rotating speed ratio, in conjunction with determining double roller diameter ratio, under the premise of guaranteeing the maximum production capacity of rubber powder, control shearing to greatest extent
The heat of generation；
(10) the external circulation in the inner cavity of a kind of zigzag double roller drum-type rubber grinder of the invention, big roller and pony roll is cold
The heat that shearing generates is taken away in time, avoids high temperature desulfurizing or even the oxidative degradation of material by but water.
(11) a kind of zigzag double roller drum-type rubber grinder Flour milling method of the invention, pair roller type cut sizing material, effect
Rate is high, generation heat is few, and easy to operate, product granularity adjustable extent is big, is easy to promote and apply.
Detailed description of the invention
Fig. 1 is zigzag double roller drum-type rubber grinder perspective view of the invention；
Fig. 2 is zigzag double roller drum-type rubber grinder side view of the invention；
Fig. 3 is zigzag double roller drum-type rubber grinder top view of the invention；
Fig. 4 is the zigzag double roller roller frame schematic diagram in the present invention；
Fig. 5 is the zigzag double roller roller top view in the present invention；
Schematic diagram after the part B amplification that Fig. 6 is Fig. 4；
Schematic diagram after the part A amplification that Fig. 7 is Fig. 5.
In figure: 2, board seat；3, bearing；4, cooling water connector；6, pony roll drive motor；7, big roller drive motor；8, double
Roll clearance adjusting mechanism；11, big roller；12, pony roll；16, roller center line；111, convex sawtooth I；112, recessed sawtooth I；121, convex sawtooth
Ⅱ；122, recessed sawtooth II.
Specific embodiment
To further appreciate that the contents of the present invention, in conjunction with attached drawing, the present invention is described in detail.
Embodiment 1
A kind of zigzag double roller drum-type rubber grinder of the present embodiment, as shown in Figure 1, 2, 3, including it is board seat 2, logical
The big roller 11 and pony roll crossed bearing 3 and its bearing block rotary type is fixed on board seat 2, and rotated towards each other in the state of being parallel to each other
12, it can be in frame-shaped structure on board seat 2, two sides are the fixation wall shape body of rectilinear fixation double roller, are fixed with axis within the walls
Seat is held, double roller passes through the bearing 3 in bearing block by its axis and is fixed on two fixed sides within the walls；The big roller 11 and pony roll 12
The big roller drive motor 7 and pony roll drive motor 6 that rotation is connected by its end driven type respectively drive, big roller drive motor 7
It is fixed on the outside of fixed wall with pony roll drive motor 6 by ring flange；As shown in Figure 4,5, the roller of the big roller 11 and pony roll 12
Face is staggeredly equipped with convex, the recessed sawtooth in axial parastate, as shown in fig. 6, respectively convex sawtooth I 111, recessed sawtooth I 112
With convex sawtooth II 121, recessed sawtooth II 122；As shown in Fig. 5,7, have between convex, recessed sawtooth and the roller center line 16 of double roller slanting
Angle theta.
A kind of zigzag double roller drum-type rubber grinder of the present embodiment, can be applied to the secondary operation of rubber grain at
Fine grained, for example, by diameter be 5~50mm large granular materials, be processed into the small particles material of 5~100 mesh.In specifically used, mill
The Combination Design of zigzag structure and slanting angle theta in powder machine double roller guarantees in double roller operation process between the two sawtooth
Mode that material is cut crushes, and tradition is avoided to rub the mode of mill with the hands, so that obtained fine powder is mainly with graininess, and
And soft nonmetallic materials crush the mode for rubbing mill with the hands compared to the prior art, can also reduce in crushing process in cutting process
The generation of heat guarantees that the temperature generated can be quickly cooled down, and avoids rubber powder overheat in part from desulfurization or gelatinization state occur, to rise
To unexpected technical effect.
Embodiment 2
A kind of zigzag double roller drum-type rubber grinder of the present embodiment, further changes on the basis of embodiment 1
Into convex, recessed sawtooth is when double roller is rotated in convex sawtooth I 111 and the one of convex sawtooth II 121, recessed sawtooth I 112 and recessed sawtooth II 122
One cooperation corresponding relationship, misses chopping to avoid partial material, to achieve the purpose that rubber powder uniformly shreds during chopping.
Also corresponding relationship, recessed sawtooth I 112 and recessed sawtooth II 122 is cooperated to form cutting material in double roller rotation two-by-two just because of it
When balancing slit, play the material for guaranteeing saw cut, for example rubber powder leaks out after being squeezed into balancing slit inside and reach
Steady pressure effect avoids material local accumulation pressure excessive and causes powder heating desulfurization or carbonization, rotates and generate in double roller
Vibrating effect under, material after shearing drops down onto the hopper under double roller since self gravity is detached from balancing slit.
Embodiment 3
A kind of zigzag double roller drum-type rubber grinder of the present embodiment, further changes on the basis of embodiment 2
Into the rotating ratio of big roller 11 and pony roll 12 is 1~12:1, before other conditions, such as roller diameter, slanting angle theta etc. are certain
It puts, rotating ratio is bigger, and the heat for shearing generation is bigger, and the efficiency of cutting mode milling is higher, and opposite rotating ratio is smaller, shearing
The heat of generation is smaller, and the efficiency of cutting mode milling is lower；Meanwhile rotating ratio is bigger, the heat for shearing generation is also bigger, then
Energy consumption by the cooling loss of cooling water is bigger, and the utilization rate of energy is lower；Rotating ratio is got over hour, the efficiency of cutting mode milling
Lower, the production capacity of rubber powder is too low, or even is difficult to generate the rubber powder of required granularity；Therefore, guaranteeing the rubber powder of required granularity most
Under the premise of big production capacity, rotating ratio is the range of 1~12:1, can control the heat that shearing generates to greatest extent；Such as Fig. 6 institute
Show, convex sawtooth I 111 and convex sawtooth II 121 in rotational direction on anterior angle α be respectively less than after angle beta, i.e. anterior angle α is at an acute angle, angle
Range is 60 °~89 °；In obtuse angle, angular range is 91 °~120 ° to angle beta afterwards, and effect is convex sawtooth I 111 and convex sawtooth II
121 collision generates shearing force.
Embodiment 4
A kind of zigzag double roller drum-type rubber grinder of the present embodiment, further changes on the basis of embodiment 3
Into angle theta is 5 °~20 °, and angle theta is too small, then cutting edge is sharper, and intensity is lower, easy when being milled by cutting mode
Abrasion and service life is shorter；Angle theta is too big, then cutting edge is wider, and intensity is higher, very when being milled by cutting mode
To being difficult to for micelle cutting mode being milled to the rubber powder of required granularity, that is, it is milled more difficult, angle theta is 5 °~20 °, Neng Goujian
Care for the requirement of service life and the granularity that is milled；Convex sawtooth I 111 is consistent with the oblique direction of convex sawtooth II 121, and shearing is avoided to carry on the back
From raising shear efficiency.
Embodiment 5
A kind of zigzag double roller drum-type rubber grinder of the present embodiment, further changes on the basis of embodiment 4
Into the diameter ratio of big roller 11 and pony roll 12 are as follows: 1.1~2.2:1, formed shear difference, diameter than it is excessive when, two roller service life phases
Difference is larger, reduces the efficiency of combination production, when too small, be easy to appear tooth socket engagement and influence shear effect；Cooperate rotating ratio
And angle theta, combination action effect is played, shearing heat, shear efficiency, shearing granularity and service life can be taken into account.Big roller
Gap between 11 and pony roll 12 is adjusted by double roller gap adjusting mechanism 8, and double roller gap adjusting mechanism 8 can select existing skill
Ball-screw, sliding block and the rail structure combination of art, i.e., bearing block is fixedly connected with sliding block；Ball-screw passes through interior threaded
Center, sliding block two sides are sliding rail, and ball-screw is among sliding rail, the external adjusting motor in ball-screw end；Big roller driving
Motor 7 and pony roll drive motor 6 are hydraulic motor, and stability is good, act synergistically with balancing slit, further increase stable production
Product granularity.
Embodiment 6
A kind of zigzag double roller drum-type rubber grinder of the present embodiment, further changes on the basis of embodiment 2
Into the gap between big roller 11 and pony roll 12 is 0.01~2mm, is adjusted accordingly according to granularity needs.Convex, recessed sawtooth
Equivalent width, the convex sawtooth height are consistent with the depth of recessed sawtooth, form stable balancing slit, produce the product of stable and uniform
Granularity；The inner cavity of big roller 11 and pony roll 12 is by the external recirculated cooling water of cooling water connector 4, the timely band of heat that shearing is generated
It walks, avoids high temperature desulfurizing or even the oxidative degradation of material.Moreover, convex sawtooth I 111 and convex sawtooth II 121 it is this it is preceding it is sharp after it is blunt
Angle design, the time that balancing slit can be made to keep in powder after cutting in slot more long, allow heat much sooner
Cooled water is taken away, and the desulfurization for avoiding sizing material particle is more advantageous to.
Embodiment 7
A kind of zigzag double roller drum-type rubber grinder of the present embodiment, further changes on the basis of embodiment 6
Into the revolving speed of big roller 11 is 260~620r/min, and the revolving speed of pony roll 12 is 25~86r/min, and the gap between double roller is 0.01
~2mm；The diameter of big roller is 450~830mm, and the diameter of pony roll is 380~720mm；Angle theta is 5 °~20 °；Cutting mode mill
The rubber powder size that powder obtains is 5~100 mesh；The secondary cut formula that can be applied to rubber grain crushes, cutting type Flour milling method
Step are as follows:
Step 1: adjusting gap: adjusting the gap between big roller 11 and pony roll 12 according to sizing material milling granularity requirements；
Step 2: starting double roller: starting double roller by starting big roller drive motor 7 and pony roll drive motor 6 and rotate towards each other；
Step 3: charging: sizing material coarse granule is free by the hopper right above the gap between big roller 11 and pony roll 12
In falling body type blanking to gap；
Step 4: cutting type is milled: under the synergistic effect of convex sawtooth I 111 and convex sawtooth II 121, the anterior angle α of two sawtooth
It is at an acute angle, shearing force is formed when close to each other, thick sizing material is sheared, and the fines after shearing is squeezed under extruding force effect
Indent；At this point, also can star cooling water circulation, the heat that cutting generates is taken away immediately.
Step 5: blanking: with the rotation of double roller, fines is natural under the effect of vibration that double roller rotation generates in balancing slit
In blanking to the temporary bucket of fines.
Double roller gap is adjusted by double roller gap adjusting mechanism 8, the test data being respectively adopted in table 1 is simultaneously acquired to having a competition
Test the data of sample one, two, three and four:
The test data of 1 test sample one, two, three and four of table compares
As can be seen from Table 1, rubber powder made from test sample four particle shape, production capacity, material temperature, in terms of reach and compare
Good production effect, overall target is best, and also demonstrating the rotating ratio of big roller and pony roll as 8:1 is optimized rotating speed ratio.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of zigzag double roller drum-type rubber grinder, including board seat (2), rotated by bearing (3) and its bearing block
Formula is fixed on board seat (2), and the big roller (11) and pony roll (12) rotated towards each other in the state of being parallel to each other；The big roller (11)
It is driven with the rotation big roller drive motor (7) that driven type connects by its end respectively of pony roll (12) and pony roll drive motor (6)
It is dynamic, it is characterised in that: the roll surface of the big roller (11) and pony roll (12) is staggeredly equipped with convex, the recessed saw in axial parastate
Tooth, respectively convex sawtooth I (111), recessed sawtooth I (112) and convex sawtooth II (121), recessed sawtooth II (122)；Convex, the recessed sawtooth
There is slanting angle theta between the roller center line (16) of double roller.
2. a kind of zigzag double roller drum-type rubber grinder according to claim 1, which is characterized in that described convex, recessed
Sawtooth is when double roller is rotated in convex sawtooth I (111) and convex sawtooth II (121), recessed sawtooth I (112) and the one of recessed sawtooth II (122)
One cooperation corresponding relationship；The recessed sawtooth I (112) and recessed sawtooth II (122) form equal when cutting material when double roller rotates
Indent.
3. a kind of zigzag double roller drum-type rubber grinder according to claim 2, which is characterized in that the big roller
(11) and the rotating ratio of pony roll (12) is (1~12): 1；The convex sawtooth I (111) and convex sawtooth II (121) are in rotational direction
On anterior angle α be respectively less than after angle beta.
4. a kind of zigzag double roller drum-type rubber grinder according to claim 3, it is characterised in that: the big roller
(11) and the diameter ratio of pony roll (12) are as follows: (1.1~2.2): 1；The angle theta is 5 °~20 °；The convex sawtooth I (111) with it is convex
The oblique direction of sawtooth II (121) is consistent.
5. a kind of zigzag double roller drum-type rubber grinder according to claim 3, it is characterised in that: the big roller
(11) gap between pony roll (12) is 0.01~2mm；The equivalent width of convex, the recessed sawtooth, the convex sawtooth height with
The depth of recessed sawtooth is consistent.
6. a kind of zigzag double roller drum-type rubber grinder according to claim 3, it is characterised in that: the big roller
(11) and the inner cavity of pony roll (12) passes through cooling water connector (4) external recirculated cooling water.
7. a kind of zigzag double roller drum-type rubber grinder according to claim 3, it is characterised in that: the big roller
(11) gap between pony roll (12) is adjusted by double roller gap adjusting mechanism (8).
8. a kind of zigzag double roller drum-type rubber grinder according to any one of claims 1 to 7, it is characterised in that: institute
It states big roller drive motor (7) and pony roll drive motor (6) is hydraulic motor.
9. a kind of zigzag double roller drum-type rubber grinder according to claim 8, it is characterised in that: the big roller
(11) and the rotating ratio of pony roll (12) is 8:1.
10. a kind of Flour milling method of zigzag double roller drum-type rubber grinder, it is characterised in that: step are as follows:
Step 1: adjusting gap: adjusting the gap between big roller (11) and pony roll (12) according to sizing material milling granularity requirements；
Step 2: starting double roller: starting double roller by starting big roller drive motor (7) and pony roll drive motor (6) and rotate towards each other；
Step 3: charging: sizing material coarse granule is free by the hopper right above the gap between big roller (11) and pony roll (12)
In falling body type blanking to gap；
Step 4: cutting type is milled: under the synergistic effect of convex sawtooth I (111) and convex sawtooth II (121), the anterior angle α of two sawtooth
It is at an acute angle, shearing force is formed when close to each other, thick sizing material is sheared, and the fines after shearing is squeezed under extruding force effect
Indent；
Step 5: blanking: with the rotation of double roller, fines natural blanking under the effect of vibration that double roller rotation generates in balancing slit
To the temporary bucket of fines.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910292802.7A CN110000965A (en) | 2019-04-12 | 2019-04-12 | A kind of zigzag double roller drum-type rubber grinder and its cutting Flour milling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910292802.7A CN110000965A (en) | 2019-04-12 | 2019-04-12 | A kind of zigzag double roller drum-type rubber grinder and its cutting Flour milling method |
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| CN110000965A true CN110000965A (en) | 2019-07-12 |
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|---|---|---|---|---|
| CN2695104Y (en) * | 2004-05-10 | 2005-04-27 | 王登和 | Rubber disintegrator |
| CN200960463Y (en) * | 2006-09-18 | 2007-10-17 | 王首力 | Flour mill for waste rubber |
| CN201399353Y (en) * | 2009-01-12 | 2010-02-10 | 云南三环生物技术有限公司 | Fresh rubber seed teeth-roller cracker |
| CN202621220U (en) * | 2012-05-15 | 2012-12-26 | 上海宝钢化工有限公司 | Double-roller sheet crusher |
| CN204712312U (en) * | 2015-06-25 | 2015-10-21 | 永嘉县伟诚橡胶工贸有限公司 | rubber crushing device |
| CN209851385U (en) * | 2019-04-12 | 2019-12-27 | 安徽世界村智能装备有限公司 | Sawtooth-shaped double-roller drum-type rubber powder grinding machine |
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- 2019-04-12 CN CN201910292802.7A patent/CN110000965A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695104Y (en) * | 2004-05-10 | 2005-04-27 | 王登和 | Rubber disintegrator |
| CN200960463Y (en) * | 2006-09-18 | 2007-10-17 | 王首力 | Flour mill for waste rubber |
| CN201399353Y (en) * | 2009-01-12 | 2010-02-10 | 云南三环生物技术有限公司 | Fresh rubber seed teeth-roller cracker |
| CN202621220U (en) * | 2012-05-15 | 2012-12-26 | 上海宝钢化工有限公司 | Double-roller sheet crusher |
| CN204712312U (en) * | 2015-06-25 | 2015-10-21 | 永嘉县伟诚橡胶工贸有限公司 | rubber crushing device |
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Application publication date: 20190712 |
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