CN113442318A - Preparation method and processing device of antioxidant rubber compound - Google Patents
Preparation method and processing device of antioxidant rubber compound Download PDFInfo
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- CN113442318A CN113442318A CN202110377305.4A CN202110377305A CN113442318A CN 113442318 A CN113442318 A CN 113442318A CN 202110377305 A CN202110377305 A CN 202110377305A CN 113442318 A CN113442318 A CN 113442318A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 89
- 150000001875 compounds Chemical class 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 title claims abstract description 18
- 230000003078 antioxidant effect Effects 0.000 title claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 85
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 80
- 238000005303 weighing Methods 0.000 claims description 46
- 239000003795 chemical substances by application Substances 0.000 claims description 44
- 239000000945 filler Substances 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000007306 turnover Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 235000006708 antioxidants Nutrition 0.000 claims 10
- 238000012544 monitoring process Methods 0.000 claims 1
- 239000011343 solid material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 239000002994 raw material Substances 0.000 abstract description 15
- 238000011002 quantification Methods 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- 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
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
- B29B7/242—Component parts, details or accessories; Auxiliary operations for feeding in measured doses
- B29B7/244—Component parts, details or accessories; Auxiliary operations for feeding in measured doses of several materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The preparation method of the antioxidant rubber compound and the processing device thereof comprise an automatic metering device, a solid quantitative feeding device, a liquid quantitative feeding device and a mixing device, wherein the automatic metering device comprises the solid quantitative feeding device and the liquid quantitative feeding device, the mixing device is arranged below the automatic metering device, the automatic metering device comprises a cylindrical dosing cylinder, and a plurality of groups of the solid quantitative feeding devices and the liquid quantitative feeding devices are arranged in the dosing cylinder in an array mode. According to the invention, various preparation raw materials are added in a subarea manner, and simultaneously, a quantifiable feeding device is introduced to continuously convey the raw materials to the mixing device, so that each raw material is independently added in the process for mixing, and meanwhile, the addition of each raw material realizes continuous quantification, thereby effectively reducing the artificial influence factors on the production process and the production condition control.
Description
Technical Field
The invention relates to the technical field of rubber compound preparation, in particular to a preparation method of an antioxidant rubber compound and a processing device thereof.
Background
The rubber compound is prepared by taking raw rubber, an anti-structuring agent, a filler and a vulcanizing agent as raw materials, and other performance additives can be added if necessary. Because the molecular weight of the mixing type raw rubber is high (generally 40-80 ten thousand), the viscosity is high (the raw rubber viscosity is 1-2 x 107mPa.s), the rubber material is not easy to flow, the preparation of the mixed rubber generally needs to uniformly mix the raw rubber of the silicon rubber, the anti-structuring agent, the filler and other additives in a kneader or an internal mixer, and then the raw rubber is transferred to a double-roller open mill to add the additives such as the vulcanizing agent and the like after being cooled, the existing production process needs manual feeding, and the raw rubber is difficult to continuously and accurately weigh and feed.
The prior Chinese patent number is ZLCN201811545608.7, the patent name is super wear-resistant fluororubber gross rubber and a preparation method thereof, and the super wear-resistant fluororubber gross rubber and the preparation method thereof are disclosed. It also has the following disadvantages: the metering and adding of raw rubber, filler and each formula component are greatly influenced by human factors, which is not beneficial to stabilizing the production process and preparing the rubber compound with stable quality, and the production defective rate is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the problems, the preparation method and the processing device of the antioxidant rubber compound are provided, and the problems that the metering and adding of raw rubber, filler and each formula component are greatly influenced by human factors, the stable production process is not facilitated, the stable quality of the rubber compound is prepared, the defective rate of production is high and the like are solved.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
an anti-oxidation rubber compound processing device comprises an automatic metering device, a solid quantitative feeding device, a liquid quantitative feeding device and a mixing device, wherein the automatic metering device comprises the solid quantitative feeding device and the liquid quantitative feeding device;
the solid quantitative feeding device comprises a solid feeding barrel fixedly arranged in the quantitative barrel, the solid feeding barrel is arranged to be a cylindrical vacuum piece, the top of the solid feeding barrel is provided with an opening, the bottom of the inner side of the solid feeding barrel is fixedly provided with a control block, a vertically arranged control groove is arranged in the control block, the right side of the control groove is provided with a rectangular transmission groove, a bevel gear set is arranged in the transmission groove, a vertical rotating shaft is rotationally arranged on the wall body above the transmission groove, the top end of the vertical rotating shaft extends out of the top of the control block and is fixedly provided with a material separating plate, the top of the material separating plate is in contact with a material separating plate which is obliquely arranged, one end of the material separating plate is fixedly connected with the side wall of the inner cavity of the solid feeding barrel, a horizontal rotating shaft is rotatably arranged between the control groove and the transmission groove, and the left end of the horizontal rotating shaft extends into the control groove and is fixedly connected with a driving gear, the control groove is internally and symmetrically provided with turnover grooves in the inner side wall body, the turnover grooves are internally provided with turnover shafts in a bilateral symmetry manner, a gravity sensor is fixedly arranged in the material weighing plate, and a first blanking groove communicated with an opening at the bottom of the material weighing cylinder is arranged at the bottom of the solid feeding cylinder in a penetrating manner;
the liquid quantitative feeding device comprises a solid feeding barrel fixedly arranged in the quantitative barrel, the solid feeding cylinder is a cylindrical vacuum piece, the top of the solid feeding cylinder is provided with an opening, a matching block is fixedly arranged in the solid feeding barrel, a liquid feeding controller is fixedly arranged at the bottom of the matching block, a straight through groove is arranged in the matching block in a vertically through manner, the middle part of the straight through groove is communicated with an arc-shaped matching groove, a feeding rotating shaft penetrating through the quantitative groove is rotationally arranged in the matching block, a cylindrical quantitative turntable fixedly connected with the feeding rotating shaft is arranged in the matching groove, the cylindrical surface of the quantitative rotary disc is in sliding fit with the end wall of the matching groove, and the bottom of the solid feeding cylinder is provided with a second blanking groove communicated with the opening at the bottom of the straight through groove in a penetrating way.
Furthermore, the solid quantitative feeding device and the liquid quantitative feeding device are at least provided with two groups, and the solid quantitative feeding device and the liquid quantitative feeding device are arranged in equal quantity and are distributed in half.
Furthermore, a cylindrical material guiding barrel is fixedly arranged at the bottom of the quantitative barrel, a circular truncated cone-shaped material guiding groove is arranged in the material guiding barrel, and the diameter of the top of the material guiding barrel is larger than that of the bottom of the material guiding barrel.
Furthermore, the cross section of the material separating plate is semicircular and is horizontally arranged at the tops of the control block and the material weighing cylinder, and the upper surface and the lower surface of the material separating plate are respectively in contact fit with the bottom surface of the material separating plate and the top surfaces of the control block and the material weighing cylinder.
Furthermore, the material distributing plate inclines towards one side of the top of the material weighing barrel, a forward included angle between the material distributing plate and the material separating plate is 160 degrees, and the material distributing plate and the material separating plate form a closed bottom surface.
Furthermore, the inner cavity of the material weighing cylinder is provided with two material weighing plates fixedly connected with the turnover shaft in a turnover manner, the two material weighing plates are distributed in a bilateral symmetry manner, and the end parts of the two material weighing plates close to each other are mutually clamped.
Furthermore, a quantitative groove with an isosceles trapezoid cross section is arranged in the quantitative turntable, an opening is formed in one side of the quantitative groove, and the width of the opening of the quantitative groove is the same as the transverse width of the through groove.
A preparation method of an antioxidant rubber compound comprises the following steps:
step 1: respectively adding rubber crude rubber and a filler into the corresponding solid feed cylinder, and adding an anti-structuring agent and a vulcanizing agent into the corresponding solid feed cylinder;
step 2: the solid feeding controller controls the fixed electromagnet and the movable electromagnet to be connected with the same electricity, and gradually increases the current until the current is stable and unchanged, so that a gradually increased repulsive force is generated between the fixed electromagnet and the movable electromagnet, the rubber crude rubber and the filler in the feeding cylinder slowly fall onto the upper surface of the corresponding material weighing plate, and simultaneously the corresponding gravity sensor monitors the amount of the rubber crude rubber and the filler falling onto the upper surface of the material weighing plate, so that the rubber crude rubber and the filler can be quantitatively added into the mixing device;
and step 3: the liquid feeding controller controls the feeding rotating shaft to rotate for a period, so that a certain amount of anti-structuring agent and vulcanizing agent flow out from the bottom of the straight-through groove in the period, and the anti-structuring agent and the vulcanizing agent can be quantitatively added into the mixing device;
and 4, step 4: and conveying the rubber raw rubber and the filler into a mixing device through a corresponding solid quantitative feeding device, conveying the anti-structuring agent and the vulcanizing agent into the mixing device through a corresponding liquid quantitative feeding device, and then mixing and extruding.
Further, the raw rubber particles are conveyed into the mixing device through the solid quantitative feeding device at the speed of 80-120kg/h, and the filler is conveyed into the mixing device through the solid quantitative feeding device at the speed of 30-50 kg/h.
Further, the anti-structuring agent is conveyed into the mixing device through the liquid quantitative feeding device at a speed of 80-120kg/h, and the vulcanizing agent is conveyed into the mixing device through the liquid quantitative feeding device at a speed of 30-50 kg/h.
The invention has the advantages and positive effects that:
according to the invention, various preparation raw materials are added in a subarea manner, and simultaneously, a quantifiable feeding device is introduced to continuously convey the preparation raw materials to the mixing device, and each raw material is independently added for mixing in the process, so that the influence of the variation factors such as feeding, temperature and retention time and the like existing in step-by-step mixing on the product quality can be avoided, meanwhile, the addition of each raw material is continuously quantified, the artificial influence factors on the production process and the production condition control are effectively reduced, the labor intensity of production personnel is reduced, the operation process is standardized, the stable production process and the stable preparation quality of mixed rubber are facilitated, and the production defective rate is greatly reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic cross-sectional view of the solid dosing apparatus of the present invention;
FIG. 4 is a schematic cross-sectional view of the liquid dosing apparatus of the present invention;
FIG. 5 is a schematic cross-sectional view taken at A-A of FIG. 3 in accordance with the present invention;
fig. 6 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.
The scores in the figures are as follows: 1. an automatic dosing device; 2. a solid dosing device; 3. a liquid dosing device; 4. a mixing device; 10. a dosing cylinder; 11. a charging barrel; 12. a feed chute; 13. a solid feed barrel; 14. a material distributing plate; 15. a bevel gear set; 16. a control block; 17. a compression spring; 18. a control slot; 19. a drive gear; 20. a solids feed controller; 21. a rack plate; 22. fixing the electromagnet; 23. a movable electromagnet; 24. a horizontal rotating shaft; 25. a transmission groove; 26. a first discharging groove; 27. weighing a charging barrel; 28. weighing a material plate; 29. a vertical rotating shaft; 30. a material separating plate; 31. a solid feed barrel; 32. a matching block; 33. a quantitative turntable; 34. a liquid feed controller; 35. a quantitative trough; 36. a straight through groove; 37. a mating groove; 38. a feeding rotating shaft; 39. a feeding trough II; 40. a turnover groove; 41. a turning shaft; 42. a gravity sensor.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the antioxidant rubber compound processing apparatus according to the present invention includes an automatic dosing device 1, a solid dosing device 2, a liquid dosing device 3, and a mixing device 4, wherein the automatic dosing device 1 includes the solid dosing device 2 and the liquid dosing device 3, the mixing device 4 is disposed below the automatic dosing device 1, the automatic dosing device 1 includes a cylindrical dosing cylinder 10, and a plurality of sets of the solid dosing device 2 and the liquid dosing device 3 are disposed in the dosing cylinder 10 in an array manner;
as shown in fig. 1, 2, 3, 5, and 6, the solid quantitative feeding device 2 includes a solid feeding barrel 13 fixedly disposed in the quantitative barrel 10, the solid feeding barrel 13 is a cylindrical vacuum member, an opening is disposed at the top of the solid feeding barrel 13, a control block 16 is fixedly disposed at the bottom of the inner side of the solid feeding barrel 13, a vertically disposed control slot 18 is disposed in the control block 16, a rectangular transmission slot 25 is disposed at the right side of the control slot 18, a bevel gear set 15 is disposed in the transmission slot 25, a vertical rotating shaft 29 is disposed on the upper wall of the transmission slot 25, a material separating plate 30 is fixedly disposed at the top of the vertical rotating shaft 29 and extends from the top of the control block 16, a material separating plate 14 is disposed at the top of the material separating plate 30 in a contact manner, and one end of the material separating plate 14 is fixedly connected to the side wall of the inner cavity of the solid feeding barrel 13, a horizontal rotating shaft 24 is rotatably arranged between the control groove 18 and the transmission groove 25, the left end of the horizontal rotating shaft 24 extends into the control groove 18 and is fixedly connected with a driving gear 19, a rack plate 21 meshed with the driving gear 19 is slidably arranged in the control groove 18, a compression spring 17 is fixedly connected between the top end of the rack plate 21 and the end wall of the control groove 18, a fixed electromagnet 22 is fixedly arranged at the bottom end of the control groove 18, a movable electromagnet 23 is movably arranged above the fixed electromagnet 22 in a contact manner, the movable electromagnet 23 is fixedly connected with the bottom end of the rack plate 21, the horizontal rotating shaft 24 is in transmission connection with the vertical rotating shaft 29 through the bevel gear group 15, and a solid feeding controller 20 electrically connected with the fixed electromagnet 22 and the movable electromagnet 23 is fixedly arranged in the control block 16, a vacuum-shaped weighing barrel 27 is fixedly arranged on the right side of the control block 16, openings are formed in the top and the bottom of the weighing barrel 27, turnover grooves 40 are symmetrically formed in the inner side wall body of the weighing barrel 27 in a left-right mode, turnover shafts 41 are arranged in the turnover grooves 40, gravity sensors 42 are fixedly arranged in the weighing plate 28, and a first blanking groove 26 communicated with the opening in the bottom of the weighing barrel 27 is arranged at the bottom of the solid feeding barrel 13 in a penetrating mode;
as shown in fig. 1, 2 and 4, the liquid quantitative feeding device 3 includes a solid feeding barrel 31 fixedly disposed in the quantitative barrel 10, the solid feeding barrel 31 is a cylindrical vacuum member, an opening is disposed at the top of the solid feeding barrel 31, a matching block 32 is fixedly disposed in the solid feeding barrel 31, a liquid feeding controller 34 is fixedly disposed at the bottom of the matching block 32, a through groove 36 is vertically disposed in the matching block 32 in a penetrating manner, an arc matching groove 37 is disposed in the middle of the through groove 36 in a communicating manner, a feeding rotating shaft 38 penetrating the quantitative groove 35 is rotatably disposed in the matching block 32, a quantitative turntable 33 fixedly connected to the cylindrical feeding rotating shaft 38 and disposed in the matching groove 37, a cylindrical surface of the quantitative turntable 33 is in sliding fit with an end wall of the matching groove 37, and a second blanking groove 39 communicated with the bottom opening of the straight through groove 36 is arranged at the bottom of the solid feed cylinder 31 in a penetrating way.
In one embodiment, at least two sets of solid dosing devices 2 and liquid dosing devices 3 are arranged, and the solid dosing devices 2 and the liquid dosing devices 3 are arranged in equal number and distributed in half, so that each raw material is added and mixed independently, and the influence of the variation factors such as feeding, temperature and residence time existing in step-by-step mixing on the product quality can be avoided.
In one embodiment, a cylindrical feeding cylinder 11 is fixedly arranged at the bottom of the quantitative cylinder 10, a circular truncated cone-shaped feeding groove 12 is arranged in the feeding cylinder 11, and the diameter of the top of the feeding groove is larger than that of the bottom of the feeding cylinder, so that each raw material can be independently added into the mixing device 4 for mixing.
In one embodiment, the material-separating plate 30 has a semicircular cross section and is horizontally disposed on the top of the control block 16 and the material-weighing cylinder 27, and the upper and lower surfaces of the material-separating plate 30 are respectively in contact fit with the bottom surface of the material-separating plate 14 and the top surfaces of the control block 16 and the material-weighing cylinder 27, so that the feeding of the rubber crude rubber and the filler is controlled by the rotation of the material-separating plate 30, and the rubber crude rubber and the filler are quantitatively added into the mixing device 4.
In one embodiment, the material distributing plate 14 is inclined towards one side of the top of the weighing cylinder 27, and has a forward included angle of 160 ° with the material separating plate 30, so that the raw rubber and the filler can freely fall and be weighed, and the material distributing plate 14 and the material separating plate 30 form a closed bottom surface, so that the feeding of the raw rubber and the filler can be controlled.
In one embodiment, the inner cavity of the material weighing cylinder 27 is provided with two material weighing plates 28 which are fixedly connected with the overturning shaft 41 in an overturning manner, the material weighing plates 28 are distributed symmetrically left and right, and the adjacent end parts of the two material weighing plates 28 are mutually clamped, so that the addition of the rubber crude rubber and the filler can be accurately controlled.
In one embodiment, a quantitative groove 35 with an isosceles trapezoid cross section is arranged in the quantitative turntable 33, an opening is arranged on one side of the quantitative groove 35, and the width of the opening of the quantitative groove 35 is the same as the transverse width of the straight-through groove 36, so that the addition of the anti-structuring agent and the vulcanizing agent can be accurately controlled.
A preparation method of an antioxidant rubber compound comprises the following steps:
step 1: rubber crude rubber and filler are respectively added into the corresponding solid feed cylinder 13, and an anti-structuring agent and a vulcanizing agent are respectively added into the corresponding solid feed cylinder 31;
step 2: the solid feeding controller 20 controls the fixed electromagnet 22 and the movable electromagnet 23 to be electrified in the same kind, and gradually increases the current until the current is stable and unchanged, so that a gradually increased repulsive force is generated between the fixed electromagnet 22 and the movable electromagnet 23, the rubber crude rubber and the filler in the feeding cylinder 13 slowly fall onto the upper surface of the corresponding material weighing plate 28, and meanwhile, the corresponding gravity sensor 42 monitors the amount of the rubber crude rubber and the filler falling onto the upper surface of the material weighing plate 28, so that the rubber crude rubber and the filler can be quantitatively added into the mixing device 4;
and step 3: the liquid feeding controller 34 controls the feeding rotating shaft 38 to rotate for a period, so that a certain amount of the anti-structuring agent and the vulcanizing agent flow out from the bottom of the straight-through groove 36 in the period, and the anti-structuring agent and the vulcanizing agent can be quantitatively added into the mixing device 4;
and 4, step 4: the rubber raw rubber and the filler are conveyed into a mixing device 4 through a corresponding solid quantitative feeding device 2, the anti-structuring agent and the vulcanizing agent are conveyed into the mixing device 4 through a corresponding liquid quantitative feeding device 3, and then mixing and extrusion are carried out.
In one embodiment, the raw rubber particles are fed into the mixing device 4 through the solid dosing device 2 at a speed of 80-120kg/h, and the filler is fed into the mixing device 4 through the solid dosing device 2 at a speed of 30-50 kg/h.
In one embodiment, the anti-structuring agent is fed into the mixing device 4 through the liquid dosing device 3 at a speed of 80-120kg/h, and the vulcanizing agent is fed into the mixing device 4 through the liquid dosing device 3 at a speed of 30-50 kg/h.
In specific implementation, firstly, rubber crude rubber and filler are respectively added into two groups of solid feeding barrels 13, and anti-structuring agent and vulcanizing agent are respectively added into two groups of solid feeding barrels 31, after the addition is finished, the fixed electromagnet 22 and the movable electromagnet 23 are controlled to be powered on by the solid feeding controller 20, and the current is gradually increased until the current is stable and unchanged, so that a gradually increased repulsive force is generated between the fixed electromagnet 22 and the movable electromagnet 23, the rack plate 21 slides upwards for a certain distance along the control groove 18, the compression spring 17 is compressed to store force, the driving gear 19 rotates, the horizontal rotating shaft 24 is driven to rotate, the horizontal rotating shaft 24 drives the vertical rotating shaft 29 to rotate through the bevel gear set 15, the partition plate 30 is driven to rotate 180 degrees, and the rubber crude rubber and the filler in the solid feeding barrels 13 slowly fall into the upper surface of the corresponding material weighing plate 28, the rubber raw rubber and filler amount on the upper surface of the material plate 28 is monitored by the corresponding gravity sensor 42, when the rubber raw rubber and filler amount is about to reach a specified amount, the corresponding material weighing plate 28 can transmit a signal to the solid feeding controller 20, the solid feeding controller 20 can control the switched-on current to gradually decrease, so that the repulsive force between the fixed electromagnet 22 and the movable electromagnet 23 is gradually reduced, the rack plate 21 slides downwards gradually under the action of the compression spring 17, the material separating plate 30 rotates to an initial position gradually, when the rubber raw rubber and filler amount reaches the specified amount, the switched-on current is just zero, the material separating plate 30 rotates to the initial position, at the moment, the material weighing plate 28 can transmit a signal to the solid feeding controller 20, the solid feeding controller 20 can control the overturning shaft 41 to rotate, so that the material weighing plate 28 overturns towards the bottom of the material weighing cylinder 27 around the overturning shaft 41, the rubber crude rubber and the filler respectively fall through the corresponding first blanking grooves 26 and then fall into the mixing device 4 through the material guiding grooves 12 for mixing, so that the continuous quantification of the addition of the rubber crude rubber and the filler can be accurately realized;
meanwhile, the liquid feeding controller 34 controls the feeding rotating shaft 38 to rotate for a period, so that the quantitative rotating disc 33 is driven to rotate for 360 degrees, quantitative anti-structuring agent and vulcanizing agent can flow out from the bottom of the straight through groove 36, then the quantitative anti-structuring agent and the vulcanizing agent sequentially flow into the mixing device 4 through the feeding groove II 39 and the feed groove 12 to be mixed, the adding amount at each time is the capacity of the corresponding quantitative groove 35, and continuous and quantifiable addition of the anti-structuring agent and the vulcanizing agent can be accurately realized.
The invention has the advantages and positive effects that:
according to the invention, various preparation raw materials are added in a subarea manner, and simultaneously, a quantifiable feeding device is introduced to continuously convey the preparation raw materials to the mixing device, and each raw material is independently added for mixing in the process, so that the influence of the variation factors such as feeding, temperature and retention time and the like existing in step-by-step mixing on the product quality can be avoided, meanwhile, the addition of each raw material is continuously quantified, the artificial influence factors on the production process and the production condition control are effectively reduced, the labor intensity of production personnel is reduced, the operation process is standardized, the stable production process and the stable preparation quality of mixed rubber are facilitated, and the production defective rate is greatly reduced.
It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.
Claims (10)
1. The utility model provides an anti-oxidant elastomeric compound processingequipment, includes automatic proportioning device (1), solid dosing device (2), liquid dosing device (3) and mixing device (4), its characterized in that: the automatic metering device (1) comprises a solid quantitative feeding device (2) and a liquid quantitative feeding device (3), the mixing device (4) is arranged below the automatic metering device (1), the automatic metering device (1) comprises a cylindrical quantitative cylinder (10), and a plurality of groups of solid quantitative feeding devices (2) and liquid quantitative feeding devices (3) are arranged in the quantitative cylinder (10) in an array manner;
the solid quantitative feeding device (2) comprises a solid feeding barrel (13) fixedly arranged in the quantitative barrel (10), the solid feeding barrel (13) is set to be a cylindrical vacuum piece, the top of the solid feeding barrel (13) is provided with an opening, the bottom of the inner side of the solid feeding barrel (13) is fixedly provided with a control block (16), a vertically arranged control groove (18) is arranged in the control block (16), the right side of the control groove (18) is provided with a rectangular transmission groove (25), a bevel gear set (15) is arranged in the transmission groove (25), a vertical rotating shaft (29) is rotationally arranged above the wall body of the transmission groove (25), the top end of the vertical rotating shaft (29) extends out of the top of the control block (16) and is fixedly provided with a material separating plate (30), and the top of the material separating plate (30) is in contact with a material separating plate (14) which is obliquely arranged, divide flitch (14) one end with solid feed cylinder (13) inner chamber lateral wall fixed connection, control groove (18) with transmission groove (25) between rotate and be equipped with horizontal pivot (24), horizontal pivot (24) left end stretch into to control groove (18) in and fixedly connected with drive gear (19), control groove (18) in slide be equipped with drive gear (19) meshed rack board (21), rack board (21) top with control groove (18) end wall between fixedly connected with compression spring (17), control groove (18) bottom mounting be equipped with fixed electromagnet (22), fixed electromagnet (22) top movable contact be equipped with movable electromagnet (23), movable electromagnet (23) with rack board (21) bottom fixed connection, the horizontal rotating shaft (24) is in transmission connection with the vertical rotating shaft (29) through the bevel gear set (15), a solid feeding controller (20) electrically connected with the fixed electromagnet (22) and the movable electromagnet (23) is fixedly arranged in the control block (16), a vacuum material weighing barrel (27) is fixedly arranged on the right side of the control block (16), openings are formed in the top and the bottom of the material weighing barrel (27), turnover grooves (40) are symmetrically arranged in the inner side wall body of the material weighing barrel (27) in a left-right mode, a turnover shaft (41) is arranged in each turnover groove (40), a gravity sensor (42) is fixedly arranged in each material weighing plate (28), and a first blanking groove (26) communicated with the opening in the bottom of the material weighing barrel (27) is arranged at the bottom of the solid material feeding barrel (13) in a penetrating mode;
the liquid quantitative feeding device (3) comprises a solid feeding barrel (31) fixedly arranged in the quantitative barrel (10), the solid feeding barrel (31) is set to be a cylindrical vacuum piece, the top of the solid feeding barrel (31) is provided with an opening, a matching block (32) is fixedly arranged in the solid feeding barrel (31), the bottom of the matching block (32) is fixedly provided with a liquid feeding controller (34), a straight through groove (36) is formed in the matching block (32) in a vertically communicated manner, the middle of the straight through groove (36) is provided with an arc-shaped matching groove (37) in a communicated manner, a feeding rotating shaft (38) penetrating through the quantitative groove (35) is rotatably arranged in the matching block (32), a cylindrical quantitative turntable (33) fixedly connected with the feeding rotating shaft (38) is arranged in the matching groove (37), and the cylindrical surface of the quantitative turntable (33) is in sliding fit with the end wall of the matching groove (37), and a second blanking groove (39) communicated with the bottom opening of the straight through groove (36) is arranged at the bottom of the solid feed cylinder (31) in a penetrating way.
2. The antioxidant rubber compound processing apparatus as set forth in claim 1, wherein: the solid quantitative feeding device (2) and the liquid quantitative feeding device (3) are at least provided with two groups, and the solid quantitative feeding device (2) and the liquid quantitative feeding device (3) are arranged in equal quantity and are distributed in half.
3. An antioxidant rubber compound processing apparatus as claimed in claim (1), wherein: the quantitative cylinder (10) bottom fixed be equipped with cylindric guide feed cylinder (11), guide feed cylinder (11) in be equipped with round platform form guide chute (12), and its top diameter is greater than its bottom diameter.
4. The antioxidant rubber compound processing apparatus as set forth in claim 1, wherein: the cross section of the material separating plate (30) is semicircular and is horizontally arranged at the tops of the control block (16) and the material weighing barrel (27), and the upper surface and the lower surface of the material separating plate (30) are respectively in contact fit with the bottom surface of the material separating plate (14) and the top surfaces of the control block (16) and the material weighing barrel (27).
5. The antioxidant rubber compound processing apparatus as set forth in claim 1, wherein: the material distributing plate (14) inclines towards one side of the top of the material weighing barrel (27), a forward included angle between the material distributing plate and the material separating plate (30) is 160 degrees, and the material distributing plate (14) and the material separating plate (30) form a closed bottom surface.
6. The antioxidant rubber compound processing apparatus as set forth in claim 1, wherein: the inner cavity of the material weighing barrel (27) is provided with material weighing plates (28) fixedly connected with the overturning shaft (41) in a turnover manner, the material weighing plates (28) are two in number and distributed in a bilateral symmetry manner, and the end parts, close to each other, of the two material weighing plates (28) are mutually clamped.
7. The antioxidant rubber compound processing apparatus as set forth in claim 1, wherein: the quantitative turntable (33) is internally provided with a quantitative groove (35) with an isosceles trapezoid cross section, one side of the quantitative groove (35) is provided with an opening, and the width of the opening of the quantitative groove (35) is the same as the transverse width of the straight-through groove (36).
8. A preparation method of an antioxidant rubber compound comprises the following steps:
step 1: rubber crude rubber and filler are respectively added into the corresponding solid feed cylinder (13), and an anti-structuring agent and a vulcanizing agent are respectively added into the corresponding solid feed cylinder (31);
step 2: the solid feeding controller (20) is used for controlling the fixed electromagnet (22) and the movable electromagnet (23) to be connected with the same electricity, and gradually increasing the current until the current is stable and unchanged, so that a gradually increased repulsive force is generated between the fixed electromagnet (22) and the movable electromagnet (23), the rubber crude rubber and the filler in the feeding barrel (13) slowly fall onto the upper surface of the corresponding material weighing plate (28), and meanwhile, the corresponding gravity sensor (42) is used for monitoring the amount of the rubber crude rubber and the filler falling onto the upper surface of the material weighing plate (28), so that the rubber crude rubber and the filler can be quantitatively added into the mixing device (4);
and step 3: the liquid feeding controller (34) controls the feeding rotating shaft (38) to rotate for a period, so that a certain amount of the anti-structuring agent and the vulcanizing agent flow out from the bottom of the straight-through groove (36) in the period, and the anti-structuring agent and the vulcanizing agent can be quantitatively added into the mixing device (4);
and 4, step 4: the rubber raw rubber and the filler are conveyed into a mixing device (4) through a corresponding solid quantitative feeding device (2), the anti-structuring agent and the vulcanizing agent are conveyed into the mixing device (4) through a corresponding liquid quantitative feeding device (3), and then mixing and extruding are carried out.
9. A method of preparing an antioxidant compound as claimed in claim 8, wherein: the raw rubber particles are conveyed into the mixing device (4) through the solid quantitative feeding device (2) at the speed of 80-120kg/h, and the filler is conveyed into the mixing device (4) through the solid quantitative feeding device (2) at the speed of 30-50 kg/h.
10. A method of preparing an antioxidant compound as claimed in claim 8, wherein: the anti-structuring agent is conveyed into the mixing device (4) through the liquid quantitative feeding device (3) at a speed of 80-120kg/h, and the vulcanizing agent is conveyed into the mixing device (4) through the liquid quantitative feeding device (3) at a speed of 30-50 kg/h.
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CN209095782U (en) * | 2018-11-23 | 2019-07-12 | 山东凯旋橡胶有限公司 | A kind of raw material input device for tire production |
CN212441140U (en) * | 2020-05-22 | 2021-02-02 | 杭州伟汇科技有限公司 | Energy-saving environment-friendly anti-rutting agent processing production unit |
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CN1583383A (en) * | 2003-08-18 | 2005-02-23 | 郑州大学 | Cement-base material gradient mixing mill |
CN108273428A (en) * | 2018-03-20 | 2018-07-13 | 扬州市钰翔轻工机械设备厂 | A kind of two-way stirring tower-type multi-layer liquid washes agitated kettle |
CN209095782U (en) * | 2018-11-23 | 2019-07-12 | 山东凯旋橡胶有限公司 | A kind of raw material input device for tire production |
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