CN109483762A

CN109483762A - Mixing rubber granulation unit

Info

Publication number: CN109483762A
Application number: CN201811579979.7A
Authority: CN
Inventors: 钱志
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2019-03-19

Abstract

The present invention relates to mixing rubber manufacturing technology fields, especially a kind of mixing rubber granulation unit, a kind of mixing rubber granulation unit, comprising carrying out the kneading machine of one section of mixing and carrying out the extruder of two-stage mixing, the discharging Hatch Opening of the extruder is connected by pipeline with refrigerating device for materials, the discharge end of the refrigerating device for materials is connected by pipeline with discharging device, it is pelletized unit by mixing rubber, granular mixing rubber can efficiently be made, break traditional mixing rubber tabletting production method, improve the inconvenient deficiency of the transport of sheet material, improve the usage experience of downstream client simultaneously, its application prospect is big, this equipment runs smoothly, the screw rod design of its extruder is reasonable, mixing rubber is avoided to overheat dead glue, discharge is smooth simultaneously, pelletizing is uniform, particle heat dissipation uses the mode of air-cooled+water cooling, it can effectively radiate, Intergranular knot is avoided to stick together plugging, the addition of interleaving agent will not cause fugitive dust.

Description

Mixing rubber granulation unit

Technical field

The present invention relates to mixing rubber manufacturing technology field, especially a kind of mixing rubber granulation unit.

Background technique

Be kneaded and refer to raw rubber with rubber mixing machine or plasticate raw rubber and promotor is smelt the technique of rubber compound, be rubber processing most Important production technology, the quality of mixing are that the quality of the further processing and finished product on sizing material has conclusive influence.Mesh Preceding mixing rubber is formed into sheet, and the longer transport of length is inconvenient, and using mixing rubber when needs to be equipped with special people Member carries out feeding monitoring, prevents fracture.

A kind of rubber material production unit is disclosed in Chinese invention patent specification CN 102343635B, is a kind of Rubber material production suitable for promotor is not added is pelletized, for needing to add the mixing rubber of promotor, if made with it Standby, it may appear that problems: 1. can not operate normally for a long time, extruder generate heat can not proper heat reduction, usual machine Group, which will appear heat after operation more than ten minutes, to be discharged, and the mass defects such as finished product vulcanization, dead glue are caused；2. easily causing pipe The phenomenon that road blocks, after mixing rubber pelletizing, internal heat can not disperse, cause mixing rubber particle at agllutination It sticks together, is blocked in the connecting pipe between extruder and cyclone separator；3. interleaving agent is added in pelletizing, it may appear that fugitive dust Defect is unfavorable for environmental protection and personnel's health.Therefore, this equipment is not appropriate for the production granulation of mixing rubber.

Summary of the invention

In order to overcome the shortcomings of that existing existing sheet mixing rubber is inconvenient for use, the present invention provides a kind of mixing rubber Pelletize unit, mixing rubber can be made it is granular, facilitate conveying and be easy to use.

The technical solution adopted by the present invention to solve the technical problems is: a kind of mixing rubber granulation unit, comprising carrying out The kneading machine of one section of mixing and the extruder for carrying out two-stage mixing, the discharging Hatch Opening of the extruder are cold by pipeline and material But device is connected, and the discharge end of the refrigerating device for materials is connected by pipeline with discharging device, and the extruder includes body, Screw rod is hinged in body, the screw rod is driven by motor one, and the screw rod compression ratio is 8, to become helical structure, It is divided into three sections, and feeding section, intermediate compression section and homogenizing zone, three sections of screw pitch are followed successively by L1, L2 and L3, and spiral groove deep is successively For h1, h2 and h3, wherein L1 < L3 < L2, h1 > h3, intermediate compression are section gradation type groove depth, are gradually become shallower as by the h1 of feeding section To the h3 of homogenizing zone, the end of the screw rod homogenizing zone be it is spherical, the screw rod passes through pressure guide ring and rotation pelletizing The right end gap of cutter shaft is connected, the right end of the rotary grain-cutter axis be also it is spherical, in pressure guide ring two sides are equipped with Concave spherical surface cooperates with the balled end of screw rod, rotary grain-cutter axis respectively, and the pressure guiding coollar is set in discharging chamber, It is connected by screw on the right side of the discharging chamber on the left of left side of machine body wall, discharging chamber and discharge baffle, discharging gear is connected with by screw Plate is equipped with the discharge hole of circumference uniform distribution, is arranged with rotating blade, the rotary grain-cutter axis in the middle part of the rotary grain-cutter axis Left end be connected with motor two by shaft coupling, the rotating blade is located in the discharging bin of extruder, the discharging bin out Material mouth is connected by pipeline with refrigerating device for materials, and the refrigerating device for materials is the three-stage cyclone separation for being arranged with cooling lagging Device forms the flowing space of cooling water between the cooling lagging and three-stage cyclone separator.

According to another embodiment of the invention, further comprise that the kneading machine is mixer, there is mixing time It is short, it is easy to operate, preferably overcome dust from flying, reduce promotor loss, improve working conditions, reduce labor intensity, pacifying Many advantages, such as Quan Xinggao, can obtain good mixing and effect in one section of mixing.

It according to another embodiment of the invention, further comprise that the discharging device is vibrating screen, what the present invention used It is linear vibrating screen, using vibrating motor exciting as vibration source, oversize, the sieve of several specifications is generated by multilayer screen cloth Lower object, respectively from respective outlet be discharged, have consume energy it is low, yield is high, structure is simple, easy-maintaining, full-closed structure, no dust It overflows and dissipates, the advantages that automatic discharge, finished particle can be made uniform, interleaving agent is added in it, it can also be to avoid fugitive dust.

According to another embodiment of the invention, further comprise that the vibrating screen there are two groups, be vibrating screen one and vibration Sieve two, the vibrating screen one is connected between second level cyclone separator and third-stage cyclone separator by pipeline, vibrating screen Two-way piping connects the discharge port of third-stage cyclone separator, further increases screening quality, guarantees the uniform of finished particle Property.

It according to another embodiment of the invention, further comprise that the discharging hole shape is polygon, circle or ellipse Shape.

According to another embodiment of the invention, further comprise, it is a kind of to be kneaded made of mixing rubber granulation unit Rubber, the mixing rubber are in granular form.

The invention has the advantages that granular mixing rubber can be efficiently made by mixing rubber granulation unit, Break traditional mixing rubber tabletting production method, improves the inconvenient deficiency of the transport of sheet material, while improving downstream client Usage experience, granular mixing rubber can directly be fed using hopper, do not needed to be equipped with professional guard, reduced manpower Cost, application prospect is big, this equipment runs smoothly, and the screw rod design of extruder rationally, avoids mixing rubber overheat dead Glue, while discharge is smooth, pelletizing is uniform, and particle heat dissipation can effectively be radiated, be avoided intergranular using the mode of air-cooled+water cooling Knot sticks together, and the addition of interleaving agent will not cause fugitive dust.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is structural schematic diagram of the invention；

Fig. 2 is extruder screw rod running part schematic diagram；

Fig. 3 is refrigerating device for materials and discharging device schematic diagram；

Fig. 4 is discharge baffle schematic diagram；

Fig. 5 is particle mixing rubber schematic diagram.

1, kneading machine in figure, 2, extruder, 3, refrigerating device for materials, 3-1, cooling lagging, 3-2, three-stage cyclone separator, 4, discharging device, 4-1, vibrating screen one, 4-2, vibrating screen two, 5, body, 6, screw rod, 6-1, feeding section, 6-2, intermediate compression Section, 6-3, homogenizing zone, 7, motor one, 8, pressure guide ring, 9, rotary grain-cutter axis, 10, discharging chamber, 11, discharge baffle, 11- 1, discharge hole, 12, rotating blade, 13, shaft coupling, 14, motor two, 15, discharging bin.

Specific embodiment

If Fig. 1 to 4 is structural schematic diagram of the invention, a kind of mixing rubber granulation unit includes to carry out one section of mixing The discharging Hatch Opening of kneading machine 1 and the extruder 2 for carrying out two-stage mixing, the extruder 2 passes through pipeline and 3 phase of refrigerating device for materials Even, the discharge end of the refrigerating device for materials 3 is connected by pipeline with discharging device 4, and the extruder 2 includes body 5, body Screw rod 6 is hinged in 5, the screw rod 6 is driven by motor 1, and 6 compression ratio of screw rod is 8, to become spiral knot Structure is divided into three sections, and feeding section 6-1, intermediate compression section 6-2 and homogenizing zone 6-3, three sections of screw pitch are followed successively by L1, L2 and L3, spiral shell Spin slot groove depth is followed successively by h1, h2 and h3, wherein L1 < L3 < L2, h1 > h3, and intermediate compression is section 6-2 gradation type groove depth, by adding The h1 of material section 6-1 gradually becomes shallower as to the h3 of homogenizing zone 6-3, and the end of the 6 homogenizing zone 6-3 of screw rod is spherical, the spiral Bar 6 is connected by pressure guide ring 8 with the right end gap of rotary grain-cutter axis 9, and the right end of the rotary grain-cutter axis 9 is also ball Shape, 8 two sides of pressure guide ring are equipped with interior concave spherical surface, and the balled end with screw rod 6, rotary grain-cutter axis 9 is matched respectively It closing, the pressure guide ring 8 is sheathed in discharging chamber 10, is connected by screw on the right side of the discharging chamber 10 in 5 left side wall of body, Discharge baffle 11 is connected with by screw on the left of discharging chamber 10, discharge baffle 11 is equipped with the discharge hole 11-1 of circumference uniform distribution, described Rotating blade 12 is arranged in the middle part of rotary grain-cutter axis 9, the left end of the rotary grain-cutter axis 9 passes through shaft coupling 13 and motor two 14 are connected, and the rotating blade 12 is located in the discharging bin 15 of extruder 2, and the discharge port of the discharging bin 15 passes through pipeline and object Expect that cooling device 3 is connected, the refrigerating device for materials 3 is the three-stage cyclone separator 3-2 for being arranged with cooling lagging 3-1, described The flowing space of cooling water is formed between cooling lagging 3-1 and three-stage cyclone separator 3-2.

Specific use process is as follows: rubber raw rubber and promotor being put into kneading machine 1, one section of mixing is carried out, mixing is Refer to the process uniformly mixed various promotors in kneading machine in raw rubber, the quality of mixing is the further processing to sizing material There is conclusive influence with the quality of finished product, in one section of mixing, promotor is dispersed in rubber raw rubber, is obtained Then obtained mixture is added in extruder 2 again and carries out two-stage mixing by preliminary mixture, the present invention using SJ150 single screw extrusion machine (Kunshan Kesun Rubber & Plastic Machinery Co., Ltd.), then to the structure of its screw rod and extruding part into It has gone transformation, has been detailed in Fig. 2, screw rod 6 is connected by shaft coupling in motor 1, and the rotation driving screw rod 6 that is powered of motor 1 revolves Turn, since screw rod 6 is to become helical structure, is divided into three sections, feeding section 6-1, intermediate compression section 6-2 and homogenizing zone 6-3, three sections Screw pitch be followed successively by L1, L2 and L3, spiral groove deep is followed successively by h1, h2 and h3, wherein L1 < L3 < L2, h1 > h3, intermediate pressure It is condensed to a section 6-2 gradation type groove depth, is gradually become shallower as by the h1 of feeding section 6-1 to the h3 of homogenizing zone 6-3, due to feeding section 6-1 screw pitch Minimum, helicla flute is most intensive, and helicla flute is most deep, can form the space for accommodating material, is convenient for material feeding, and intermediate compression section 6-2 Screw pitch is maximum, and helicla flute is most loose, and convenient for the extruding of material, while the helicla flute of intermediate compression section 6-2 is gradation type groove depth, is Frictional force is excessive in order to prevent, and causes temperature excessively high, and the spiral groove deep of homogenizing zone 6-3 is most shallow, and helicla flute is more intensive, is In order to lock the discharge pressure of screw rod 6, convenient for discharging, material is made to enter discharging chamber 10, the pressure guide ring 8 in discharging chamber 10 is logical It crosses concave ball surfaces to be connected with the bulb gap of screw rod 6, discharge pressure can be latched, convenient for discharging, simultaneously because from screw rod 6 Discharging can become straight fluid, pressure guide ring 8 by the effect of 8 concave ball surfaces of pressure guide ring for helical fluid Fluid is smoothly flowed out and plays key effect, then fluid discharges from the discharge hole 11-1 of discharge baffle 11, forms multi-filament shape Material strip, motor 2 14 drives rotary grain-cutter axis 9 to rotate, and Filamentous material strip is quickly cut into graininess by rotating blade 12, is fallen Enter discharging bin 15, the temperature of particle mixing rubber is higher, flows into through pipeline in refrigerating device for materials 3 after cooling, since material is cold But device 3 is the three-stage cyclone separator 3-2 for being arranged with cooling lagging 3-1, and cyclone separator is to be introduced tangentially into cause by air-flow Rotary motion, make to have the solid particle of larger centrifugal inertial force or drop to get rid of to outside wall surface and separate, be industrial application very A kind of wide separation equipment forms the flowing space of cooling water between the cooling lagging 3-1 and three-stage cyclone separator 3-2, Cooling water is introduced in the flowing space, cooperates the separation and air-cooled effect of cyclone separator by effect of the outside through water circulating pump, is protected Card disperses its internal heat sufficiently, prevents mixing rubber knot from sticking together and blocking to the separation of graininess mixing rubber and cooling effect Pipeline finally discharges through discharging device 4 again, and interleaving agent is added in discharging device 4, can prevent fugitive dust, is because with extruder 2 The effect of air-introduced machine in connected refrigerating device for materials 3 avoids in discharging device 4 so that powdery separant is flown upward everywhere The effect of air-introduced machine, therefore can be to avoid fugitive dust.

It according to another embodiment of the invention, further comprise that the kneading machine 1 is mixer, what the present invention used It is 75L mixer (Wuxi Yang Ming rubber manufacturing machinery Co., Ltd), mixer is that one kind is equipped with a pair of of specific shape and opposite revolution Rotor, the machinery being plasticated and be kneaded to polymer material to intermittence under adjustable temperature and the air-tight state of pressure, It is short with mixing time, it is easy to operate, preferably overcome dust from flying, reduce promotor loss, improve working conditions, mitigate Labor intensity, it is highly-safe many advantages, such as, in one section of mixing, good mixing and effect can be obtained.

According to another embodiment of the invention, further comprise that the discharging device 4 is vibrating screen, be general object Screening separator is generated under the oversizes of several specifications, sieve using vibrating motor exciting as vibration source by multilayer screen cloth Object, respectively from respective outlet be discharged, have consume energy it is low, yield is high, structure is simple, easy-maintaining, full-closed structure, no dust overflow It dissipates, the advantages that automatic discharge, finished particle can be made uniform, interleaving agent is added in it, it can also be to avoid fugitive dust.

According to another embodiment of the invention, further comprise that the vibrating screen has two groups, be one 4-1 of vibrating screen and Vibrating screen two 4-2, one 4-1 of vibrating screen by pipeline be connected to second level cyclone separator and third-stage cyclone separator it Between, two 4-2 of vibrating screen connects the discharge port of third-stage cyclone separator by pipeline, as shown in figure 3, material is by second level whirlwind Separator discharge port, which is fallen into after one 4-1 of vibrating screen, enters preliminary screening, behind acted on by the air-introduced machine of third-stage cyclone separator, Third-stage cyclone separator is sucked, cooling is additionally separated, vibrating screen is fallen by third-stage cyclone separator discharge port Two 4-2 are further sieved, and manually interleaving agent is added at this time, if one 4-1 of vibrating screen is continuously arranged with two 4-2 of vibrating screen, It then needs to add air-introduced machine, material is introduced into two 4-2 of vibrating screen by one 4-1 of vibrating screen, while will cause interleaving agent fugitive dust, and Every setting, material is fallen directly into 4 vibrating screens by cyclone separator discharge port, will not cause interleaving agent fugitive dust.

According to another embodiment of the invention, further comprise, the discharge hole 11-1 shape be polygon, circle or Ellipse can set the shape of mixing rubber particle, as shown in figure 5, working as discharge hole by the way that the shape of discharge hole 11-1 is arranged When 11-1 shape is circle, then mixing rubber particle is disc-shaped.

Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand, In the case where not departing from spirit and scope as defined in the appended claims, many modifications, variation or equivalent can be made, but all It will fall within the scope of protection of the present invention.

Claims

The unit 1. a kind of mixing rubber is pelletized, comprising carrying out the kneading machine (1) of one section of mixing and carrying out the extruder of two-stage mixing (2), the discharging Hatch Opening of the extruder (2) is connected by pipeline with refrigerating device for materials (3), the refrigerating device for materials (3) Discharge end be connected with discharging device (4) by pipeline, characterized in that the extruder (2) includes body (5), and body (5) is interior It is hinged with screw rod (6), the screw rod (6) is driven by motor one (7), and screw rod (6) compression ratio is 8, to become spiral shell Structure is revolved, is divided into three sections, feeding section (6-1), intermediate compression section (6-2) and homogenizing zone (6-3), three sections of screw pitch are followed successively by L1, L2 and L3, spiral groove deep are followed successively by h1, h2 and h3, wherein L1 < L3 < L2, h1 > h3, and intermediate compression is that section (6-2) is Gradation type groove depth is gradually become shallower as by the h1 of feeding section (6-1) to the h3 of homogenizing zone (6-3), screw rod (6) homogenizing zone (6- 3) end be it is spherical, the screw rod (6) is connected by pressure guide ring (8) with the right end gap of rotary grain-cutter axis (9), The right end of the rotary grain-cutter axis (9) be also it is spherical, pressure guide ring (8) two sides are equipped with interior concave spherical surface, respectively with The balled end cooperation of screw rod (6), rotary grain-cutter axis (9), the pressure guide ring (8) are sheathed in discharging chamber (10), It is connected by screw on the right side of the discharging chamber (10) and discharging is connected with by screw on the left of body (5) left side wall, discharging chamber (10) Baffle (11), discharge baffle (11) are equipped with the discharge hole (11-1) of circumference uniform distribution, are arranged in the middle part of the rotary grain-cutter axis (9) Have rotating blade (12), the left end of the rotary grain-cutter axis (9) is connected by shaft coupling (13) with motor two (14), the rotation Rotor piece (12) is located in the discharging bin (15) of extruder (2), and the discharge port of the discharging bin (15) is cold by pipeline and material But device (3) is connected, and the refrigerating device for materials (3) is the three-stage cyclone separator (3-2) for being arranged with cooling lagging (3-1), The flowing space of cooling water is formed between the cooling lagging (3-1) and three-stage cyclone separator (3-2).
The unit 2. mixing rubber according to claim 1 is pelletized, characterized in that the kneading machine (1) is mixer.
The unit 3. mixing rubber according to claim 1 is pelletized, characterized in that the discharging device (4) is vibrating screen.
The unit 4. mixing rubber according to claim 1 is pelletized, characterized in that the vibrating screen has two groups, is vibrating screen One (4-1) and vibrating screen two (4-2), the vibrating screen one (4-1) are connected to second level cyclone separator and third by pipeline Between grade cyclone separator, vibrating screen two (4-2) connects the discharge port of third-stage cyclone separator by pipeline.
The unit 5. mixing rubber according to claim 1 is pelletized, characterized in that discharge hole (11-1) shape is polygon Shape, round or ellipse.
6. mixing rubber made of a kind of granulation of the mixing rubber described in claim 1 to 5 any one unit, feature It is that the mixing rubber is in granular form.