CN114714535A - Preparation method of corrosion-resistant acid-alkali-resistant silicone rubber wire and cable - Google Patents
Preparation method of corrosion-resistant acid-alkali-resistant silicone rubber wire and cable Download PDFInfo
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- CN114714535A CN114714535A CN202210326455.7A CN202210326455A CN114714535A CN 114714535 A CN114714535 A CN 114714535A CN 202210326455 A CN202210326455 A CN 202210326455A CN 114714535 A CN114714535 A CN 114714535A
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- 230000007797 corrosion Effects 0.000 title claims abstract description 29
- 238000005260 corrosion Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 239000003513 alkali Substances 0.000 title claims abstract description 26
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 23
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 107
- 239000000463 material Substances 0.000 claims abstract description 74
- 238000001746 injection moulding Methods 0.000 claims abstract description 72
- 239000012778 molding material Substances 0.000 claims abstract description 72
- 239000002253 acid Substances 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000002585 base Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 10
- 238000013329 compounding Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- 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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/04—Making granules by dividing preformed material in the form of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/28—Storing of extruded material, e.g. by winding up or stacking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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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 invention discloses a preparation method of a corrosion-resistant acid and alkali-resistant silicone rubber wire and cable, which comprises the following steps: mixing raw materials, namely pouring various corrosion-resistant acid-base-resistant injection molding materials into a mixing device, and then pouring the materials into stirring equipment for fully mixing; step two, mixing materials, namely adding the mixed raw materials into a double-roller open mill for mixing; step three, extruding and granulating, namely extruding the cooled mixed material into a sheet material by using a tablet press; step four, preparing a cable; and step five, winding and storing, and the invention relates to the technical field of cable preparation. The preparation method of the corrosion-resistant, acid-resistant and alkali-resistant silicone rubber electric wire and cable achieves the purpose of sequentially mixing different types of injection molding materials in a layering manner, reduces the difficulty of mixing different types of injection molding materials, improves the flexibility of mixing materials, can conveniently control the layering thickness of different types of injection molding materials, can control the discharging speed, can avoid the blockage of a discharging funnel, and improves the reliability of the device.
Description
Technical Field
The invention relates to the technical field of cable preparation, in particular to a preparation method of a corrosion-resistant acid-alkali-resistant silicone rubber wire and cable.
Background
With the development of society, the application of the cable is more and more extensive, the performance of the cable is required to be stricter and more diversified, and the performance of the sheath material is continuously improved, so that the cable is an urgent requirement for the development of economy and society.
The preparation anticorrosive acid and alkali-resistant cable need be with the anticorrosive acid and alkali-resistant injection molding material homogeneous mixing of different types, but current compounding device can't carry out the layering with different types of injection molding material according to the order and mix, and the degree of difficulty of compounding is great, and the flexibility is relatively poor, can't be convenient the control different types of injection molding material's layering thickness, the speed of the uncontrollable ejection of compact, can't avoid ejection of compact funnel to block up, and the reliability of device is lower.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of a corrosion-resistant acid-alkali-resistant silicone rubber wire and cable, which solves the problem that the existing mixing device cannot mix different types of injection molding materials layer by layer in sequence, reduces the difficulty in mixing different types of injection molding materials, improves the flexibility of mixing, can conveniently control the layering thickness of different types of injection molding materials, can control the discharging speed, can avoid the blockage of a discharging funnel, and improves the reliability of the device.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a preparation method of a corrosion-resistant acid and alkali-resistant silicone rubber wire and cable comprises the following steps:
mixing raw materials, namely pouring various corrosion-resistant acid-base-resistant injection molding materials into a mixing device, and then pouring the materials into stirring equipment for fully mixing;
mixing materials, namely adding the mixed raw materials into a double-roll open mill for mixing, mixing the materials for 10min at 150 ℃, adding an additive, continuously mixing for 20min, and then cooling and shaping at room temperature;
step three, extruding and granulating, namely extruding the cooled mixed material into a sheet by using a tablet press, and then extruding and granulating by using a double-screw extruder;
fourthly, preparing the cable, namely, enabling the stranded main core of the cable to pass through cable extrusion equipment, pouring the mixed and re-extruded injection molding material into the cable extrusion equipment, and extruding the plastic material outside the main core of the cable to form an insulating layer;
and step five, winding and storing, namely winding the cable formed after the insulating layer is wrapped on a winding frame, and then putting the cable into a warehouse for storage.
Preferably, the mixing device comprises a mixing box, wherein feeding funnels are symmetrically arranged on one side of the mixing box and are communicated with the mixing box, inclined plates are fixedly connected between two sides of the inner wall of the mixing box, material leaking grooves are uniformly formed in the tops of the inclined plates, lifting blocks are slidably connected between two sides of the inner wall of the material leaking grooves, one ends of the bottoms of the lifting blocks extend to the outer parts of the material leaking grooves, grid plates are fixedly connected between the bottoms of the lifting blocks, elastic rods are symmetrically arranged at the bottoms of the grid plates, one ends, far away from the grid plates, of the elastic rods are fixedly connected with the inner wall of the mixing box, supporting blocks are fixedly connected with two sides of the inner wall of the mixing box below the inclined plates, press switches are fixedly connected with the tops of the supporting blocks, and electric control telescopic rods are fixedly connected with two sides of the mixing box through brackets, the bottom of the electric control telescopic rod is fixedly connected with a baffle plate, one end of the baffle plate, far away from the electric control telescopic rod, extends into the mixing box and is in sliding connection with the mixing box, two different corrosion-resistant, acid-base-resistant injection molding materials are placed into different feeding funnels, a controller controls one of the electric control telescopic rods to be started, the electric control telescopic rod pulls the baffle plate to rise, then the injection molding materials in the feeding funnels slide onto an inclined plate in the mixing box, the injection molding materials are accumulated on the surface of the inclined plate, the overall quality above a layer of backward inclined plate is increased, the lifting block is downwards extruded, the lifting block downwards extrudes and bends the elastic rod until the lifting block completely moves to the outside of the material leakage groove, the injection molding materials above the inclined plate fall to the bottom of the mixing box from the material leakage groove, the elastic rod pushes the lifting block upwards to an initial position after the injection molding materials above the inclined plate fall, and the lifting block and the grid plate are extruded to press a switch in the process of falling, the automatically controlled telescopic link of control eminence descends behind push switch with signal transmission to the controller, and automatically controlled telescopic link promotes to block feed hopper after the baffle descends, and another automatically controlled telescopic link of controller control drives the baffle and risees, and inside the injection molding material of another feed hopper slides to the compounding box, can lay different kinds of injection molding material according to the layering of order, makes things convenient for subsequent abundant homogeneous mixing behind the different kinds of injection molding material align to grid.
The lifter is extrudeed downwards gradually after the injection molding material of hang plate top increases, and the lifter wholly descends to the outside of leaking the silo after the injection molding material quality of hang plate top reaches certain limit, and the injection molding material is from the bottom of hang plate top landing to the compounding case, changes the elastic coefficient of elastic rod and changes the last quality of leaking the material of hang plate, and the different kind of injection molding material layering of control that can be convenient is arranged single layer thickness, has improved the nimble degree of device use.
Preferably, one end of the supporting block runs through the mixing box and extends to the outside of the mixing box, one end of the supporting block extending to the outside of the mixing box is fixedly connected with a controller, and the controller, the press switch and the electric control telescopic rod are electrically connected.
Preferably, the inner side bottom of the mixing box is slidably connected with a material receiving box, one end of the material receiving box, which is far away from the feeding funnel, penetrates through the mixing box and extends to the outside of the mixing box, and one end of the material receiving box, which extends to the outside of the mixing box, is fixedly connected with a handle.
Preferably, one end of the top of the feeding funnel, which is close to the mixing box, is opened, and one end of the top of the feeding funnel, which is close to the mixing box, is rotatably connected with a quantitative plate.
Preferably, the one end that feed hopper's inboard bottom is close to the compounding case is rotated and is connected with the threaded rod, the spout with threaded rod looks adaptation is seted up at the top of graduated plate, the spout runs through the graduated plate, the below cover that the outside of threaded rod is located the graduated plate is equipped with the supporting shoe, the top one end fixedly connected with handle of threaded rod rotates the handle and drives the threaded rod rotation, and the supporting shoe drives the graduated plate rotation along with the rotatory lift of threaded rod after, and control feed hopper's that can be convenient ejection of compact speed conveniently improves the degree of accuracy of injection molding material layering thickness.
Preferably, the bottom of the quantitative plate is provided with a limiting groove, the top of the inner side of the limiting groove is connected with a limiting block in a sliding mode, and the limiting block is connected with the supporting block in a rotating mode.
Preferably, the bottom fixedly connected with of supporting shoe lifts the flitch, it has seted up the row's silo to lift a lateral symmetry that the flitch is close to the compounding case, the inner wall one side of row's silo is through metal shrapnel fixedly connected with swinging plate, the threaded rod rotates the supporting shoe and risees, the supporting shoe drives and lifts the flitch simultaneously, it upwards raises the part injection molding material of feed hopper discharge gate department to lift the flitch, the injection molding material that lies in the eminence behind the discharge gate department production space slides downwards, the injection molding material that strikes the below slides downwards, can dredge when feed hopper's discharge gate blocks up, avoid the unable ejection of compact of feed hopper, the reliability of device has been improved.
The material lifting plate lifts the material lifting plate downwards along with the injection molding material above the lifting support block, the oscillating plate lifts the injection molding material above the material lifting plate after the metal elastic sheet is downwards extruded and bent and slides down from the upper part of the material lifting plate, the metal elastic sheet drives the oscillating plate to rotate to the initial position, the injection molding material above the material lifting plate can be discharged after the discharge hopper dredges the discharge, and the waste of the injection molding material is reduced.
(III) advantageous effects
The invention provides a preparation method of a corrosion-resistant acid and alkali-resistant silicone rubber wire and cable. The method has the following beneficial effects:
the preparation method of the corrosion-resistant, acid-resistant and alkali-resistant silicon rubber electric wire and cable comprises the steps of putting two different corrosion-resistant, acid-resistant and alkali-resistant injection molding materials into different feeding funnels, controlling one of the electric control telescopic rods to start by a controller, enabling the electric control telescopic rod to pull a baffle plate to rise, enabling the injection molding materials in the feeding funnels to slide onto an inclined plate in a mixing box, accumulating a layer of overall mass above a backward inclined plate on the surface of the inclined plate to increase, enabling a lifting block to be downwards extruded, enabling the lifting block to downwards extrude and bend an elastic rod until the lifting block completely moves to the outside of a material leakage groove, enabling the injection molding materials above the inclined plate to fall to the bottom of the mixing box from the material leakage groove, enabling the lifting block to be upwards pushed to an initial position by the backward elastic rod after the injection molding materials above the inclined plate fall, extruding a press switch in the descending process of the lifting block and a grid plate, and controlling the descending of the electric control telescopic rod at a high position to descend after the press switch transmits signals to the controller, the electric control telescopic rod pushes the baffle plate to descend and then blocks the feeding hopper, the controller controls the other electric control telescopic rod to drive the baffle plate to ascend, and the injection molding materials inside the other feeding hopper slide into the mixing box, so that different types of injection molding materials can be laid in layers in sequence, and the injection molding materials of different types are uniformly arranged and then are conveniently and fully mixed uniformly.
The manufacturing method of the corrosion-resistant, acid-alkali-resistant and silicon rubber wire cable comprises the steps that the lifting block is gradually extruded downwards after injection molding materials above the inclined plate are increased, the lifting block integrally descends to the outside of a material leaking groove after the quality of the injection molding materials above the inclined plate reaches a certain limit, the injection molding materials slide to the bottom of a mixing box from the upper side of the inclined plate, the elastic coefficient of the elastic rod is changed, the quality of the last material leaking of the inclined plate is changed, the single-layer thickness of different types of injection molding materials in layered arrangement can be conveniently controlled, and the flexibility of use of the device is improved.
According to the preparation method of the corrosion-resistant, acid-alkali-resistant and silicon rubber electric wire and cable, the threaded rod is driven to rotate by rotating the handle, the quantitative plate is driven to rotate after the supporting block rises and falls along with the rotation of the threaded rod, the discharging speed of the feeding hopper can be conveniently controlled, and the accuracy of the layering thickness of the injection molding material is conveniently improved.
(IV) this preparation method of anticorrosive acid and alkali-resistance silicon rubber electric wire, it risees to rotate the supporting shoe through the threaded rod, and the supporting shoe drives and lifts the flitch simultaneously, lifts the flitch and upwards raises the partial injection molding material of feed hopper discharge gate department, and the injection molding material that lies in the eminence after discharge gate department produces the space slides downwards, and the injection molding material that strikes the below slides downwards, can dredge when feed hopper's discharge gate blocks up, avoids the unable ejection of compact of feed hopper, has improved the reliability of device.
According to the preparation method of the corrosion-resistant, acid-resistant and alkali-resistant silicone rubber electric wire and cable, the material lifting plate is downwards extruded along with the injection molding materials above the lifting support block, the swing plate downwards extrudes and bends the metal elastic sheet, then the injection molding materials above the material lifting plate slide down from the upper side of the material lifting plate, the metal elastic sheet drives the swing plate to rotate to the initial position, the injection molding materials above the material lifting plate can be discharged after the discharge hopper dredges the discharged materials, and waste of the injection molding materials is reduced.
According to the preparation method of the corrosion-resistant, acid-alkali-resistant and silicon rubber electric wire and cable, the discharging hopper is controlled to be replaced to discharge materials by extruding the pressing switch after the lifting block descends, so that the automation degree of the device is improved, and the layering of various injection molding materials can be automatically completed.
Drawings
FIG. 1 is a schematic flow diagram of the present invention as a whole;
FIG. 2 is a schematic structural view of a mixing device according to the present invention;
FIG. 3 is an internal cross-sectional view of a mixing apparatus of the present invention;
FIG. 4 is a schematic structural view of a feed hopper according to the present invention;
FIG. 5 is an internal cross-sectional view of a feeder funnel according to the present invention;
FIG. 6 is a schematic view of the construction of the bottom of the inclined plate of the present invention;
fig. 7 is a schematic view of the exterior of the threaded rod of the present invention.
In the figure: 1-mixing box, 2-feeding hopper, 3-inclined plate, 4-material leaking groove, 5-lifting block, 6-grid plate, 7-elastic rod, 8-supporting block, 9-press switch, 10-bracket, 11-electric control telescopic rod, 12-baffle, 13-controller, 14-material receiving box, 15-handle, 16-quantitative plate, 17-threaded rod, 18-supporting block, 19-handle, 20-limiting groove, 21-limiting block, 22-material lifting plate, 23-material discharging groove, 24-metal elastic sheet and 25-swinging plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the present invention provides a technical solution: a preparation method of a corrosion-resistant acid and alkali-resistant silicone rubber wire and cable comprises the following steps:
mixing raw materials, namely pouring various corrosion-resistant acid-base-resistant injection molding materials into a mixing device, and then pouring the materials into stirring equipment for fully mixing;
mixing materials, namely adding the mixed raw materials into a double-roll open mill for mixing, mixing the materials for 10min at 150 ℃, adding an additive, continuously mixing for 20min, and then cooling and shaping at room temperature;
step three, extruding and granulating, namely extruding the cooled mixed material into a sheet by using a tablet press, and then extruding and granulating by using a double-screw extruder;
fourthly, preparing the cable, namely, enabling the stranded main core of the cable to pass through cable extrusion equipment, pouring the mixed and re-extruded injection molding material into the cable extrusion equipment, and extruding the plastic material outside the main core of the cable to form an insulating layer;
and step five, winding and storing, namely winding the cable formed after the insulating layer is wrapped on a winding frame, and then putting the cable into a warehouse for storage.
Example two
Referring to fig. 1-7, the present invention provides a technical solution: on the basis of the first embodiment, the mixing device comprises a mixing box 1, wherein one side of the mixing box 1 is symmetrically provided with a feeding funnel 2, the feeding funnel 2 is communicated with the mixing box 1, an inclined plate 3 is fixedly connected between two sides of the inner wall of the mixing box 1, the top of the inclined plate 3 is uniformly provided with material leaking grooves 4, lifting blocks 5 are slidably connected between two sides of the inner wall of the material leaking grooves 4, one end of the bottom of each lifting block 5 extends to the outside of the material leaking groove 4, grid plates 6 are fixedly connected between the bottoms of the lifting blocks 5, elastic rods 7 are symmetrically arranged at the bottoms of the grid plates 6, one ends of the elastic rods 7, far away from the grid plates 6, are fixedly connected with the inner wall of the mixing box 1, two sides of the inner wall of the mixing box 1, which are positioned below the inclined plate 3, are fixedly connected with supporting blocks 8, the tops of the supporting blocks 8 are fixedly connected with press switches 9, two sides of the mixing box 1 are fixedly connected with electric control telescopic rods 11 through supports 10, the bottom fixedly connected with baffle 12 of automatically controlled telescopic link 11, the one end that electrically controlled telescopic link 11 was kept away from to baffle 12 extends to the inside of mixing box 1 and with mixing box 1 sliding connection.
One end of supporting shoe 8 runs through mixing box 1 and extends to the outside of mixing box 1, and supporting shoe 8 extends to mixing box 1 outside one end fixedly connected with controller 13, electric connection between controller 13, press switch 9 and the automatically controlled telescopic link 11.
The inboard bottom sliding connection of mixing box 1 has material receiving box 14, and material receiving box 14 is kept away from the one end of feed hopper 2 and is run through mixing box 1 and extend to mixing box 1's outside, and material receiving box 14 extends to mixing box 1 outside one end fixedly connected with handle 15.
The top of feed hopper 2 is close to the one end opening of mixing box 1, and the one end that the top of feed hopper 2 is close to mixing box 1 is rotated and is connected with quantitative board 16.
The inboard bottom of feed hopper 2 is close to the one end rotation of mixing box 1 and is connected with threaded rod 17, and the spout with threaded rod 17 looks adaptation is seted up at the top of graduated plate 16, and the spout runs through graduated plate 16, and the outside of threaded rod 17 is located the below cover of graduated plate 16 and is equipped with supporting shoe 18, the top one end fixedly connected with handle 19 of threaded rod 17.
The bottom of the quantitative plate 16 is provided with a limiting groove 20, the top of the inner side of the limiting groove 20 is slidably connected with a limiting block 21, and the limiting block 21 is rotatably connected with the supporting block 18.
The bottom of the supporting block 18 is fixedly connected with a material lifting plate 22, one side of the material lifting plate 22 close to the mixing box 1 is symmetrically provided with a material discharging groove 23, and one side of the inner wall of the material discharging groove 23 is fixedly connected with a swinging plate 25 through a metal elastic sheet 24.
When the device is used, two different corrosion-resistant, acid-resistant and alkali-resistant injection molding materials are placed into different feeding funnels 2, the controller 9 controls one of the electric control telescopic rods 11 to be started, the electric control telescopic rod 11 pulls the baffle plate 12 to rise, then the injection molding materials in the feeding funnels 2 slide onto the inclined plate 3 in the mixing box 1, the injection molding materials are stacked on the surface of the inclined plate 3 to increase the overall mass above the backward inclined plate 3, the lifting block 5 is downwards extruded, the lifting block 5 downwards extrudes and bends the elastic rod 7 until the lifting block 5 completely moves to the outside of the material leakage groove 4, the injection molding materials above the inclined plate 3 fall to the bottom of the mixing box 1 from the material leakage groove 4, the elastic rod 7 pushes the lifting block 5 upwards to the initial position after the injection molding materials above the inclined plate 3 fall, the pressing switch 9 is extruded in the descending process of the lifting block 5 and the grid plate 6, the pressing switch 9 transmits signals to the controller 13 and then controls the electric control telescopic rod 11 at the high position to descend, automatically controlled telescopic link 11 promotes to block feed hopper 2 after baffle 12 descends, and another automatically controlled telescopic link 11 of controller 13 control drives baffle 12 and risees, and inside the injection molding material of another feed hopper 2 slides to mixing box 1, can lay different kinds of injection molding material according to the layering in proper order, makes things convenient for subsequent abundant homogeneous mixing behind the different kinds of injection molding material align to grid.
The rotating handle 19 drives the threaded rod 17 to rotate, the supporting block 18 drives the quantitative plate 16 to rotate after rising and falling along with the rotation of the threaded rod 17, the discharging speed of the feeding hopper 2 can be conveniently controlled, and the accuracy of the layering thickness of the injection molding material is conveniently improved.
Threaded rod 17 rotates supporting shoe 18 and risees, and supporting shoe 18 drives and lifts flitch 22 and risees simultaneously, lifts flitch 22 and upwards raises the partial injection molding material of 2 discharge gates of feed hopper, and the injection molding material that lies in the eminence behind the discharge gate department production space slides down, strikes the injection molding material of below and slides down, can dredge when feed hopper 2's discharge gate blocks up, avoids the unable ejection of compact of feed hopper 2, has improved the reliability of device.
The material lifting plate 22 downwards extrudes the material lifting plate 22 along with the injection molding material above the lifted supporting block 18, the oscillating plate 25 downwards extrudes and bends the metal elastic sheet 24, then the injection molding material above the material lifting plate 22 slides down from the upper side of the material lifting plate 22, the metal elastic sheet 22 drives the oscillating plate 25 to rotate to the initial position, the injection molding material above the material lifting plate 22 can be discharged after the discharge hopper 2 is dredged and discharged, and the waste of the injection molding material is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The preparation method of the corrosion-resistant acid and alkali-resistant silicone rubber wire and cable is characterized by comprising the following steps:
mixing raw materials, namely pouring various corrosion-resistant acid-base-resistant injection molding materials into a mixing device, and then pouring the materials into stirring equipment for fully mixing;
mixing materials, namely adding the mixed raw materials into a double-roll open mill for mixing, mixing the materials for 10min at 150 ℃, adding an additive, continuously mixing for 20min, and then cooling and shaping at room temperature;
step three, extruding and granulating, namely extruding the cooled mixed material into a sheet by using a tablet press, and then extruding and granulating by using a double-screw extruder;
fourthly, preparing the cable, namely, enabling the stranded main core of the cable to pass through cable extrusion equipment, pouring the mixed and re-extruded injection molding material into the cable extrusion equipment, and extruding the plastic material outside the main core of the cable to form an insulating layer;
and step five, winding and storing, namely winding the cable formed after the insulating layer is wrapped on a winding frame, and then putting the cable into a warehouse for storage.
2. The preparation method of the corrosion-resistant, acid-and alkali-resistant silicone rubber wire and cable according to claim 1, characterized in that: the mixing device comprises a mixing box (1), wherein feeding funnels (2) are symmetrically installed on one side of the mixing box (1), the feeding funnels (2) are communicated with the mixing box (1), an inclined plate (3) is fixedly connected between two sides of the inner wall of the mixing box (1), a material leaking groove (4) is uniformly formed in the top of the inclined plate (3), a lifting block (5) is connected between two sides of the inner wall of the material leaking groove (4) in a sliding mode, one end of the bottom of the lifting block (5) extends to the outside of the material leaking groove (4), a grid plate (6) is fixedly connected between the bottoms of the lifting block (5), elastic rods (7) are symmetrically installed at the bottoms of the grid plate (6), one end, far away from the grid plate (6), of each elastic rod (7) is fixedly connected with the inner wall of the mixing box (1), supporting blocks (8) are fixedly connected below the inclined plate (3) on two sides of the inner wall of the mixing box (1), the top fixedly connected with press switch (9) of supporting shoe (8), the both sides of mixing box (1) are all through support (10) the automatically controlled telescopic link of fixedly connected with (11), the bottom fixedly connected with baffle (12) of automatically controlled telescopic link (11), the one end that automatically controlled telescopic link (11) was kept away from in baffle (12) extends to the inside of mixing box (1) and with mixing box (1) sliding connection.
3. The preparation method of the corrosion-resistant, acid-and alkali-resistant silicone rubber wire and cable according to claim 2, characterized in that: the one end of supporting shoe (8) runs through mixing box (1) and extends to the outside of mixing box (1), supporting shoe (8) extend to mixing box (1) outside one end fixedly connected with controller (13), electric connection between controller (13), press switch (9) and automatically controlled telescopic link (11).
4. The preparation method of the corrosion-resistant, acid-and alkali-resistant silicone rubber wire and cable according to claim 2, characterized in that: the inboard bottom sliding connection of mixing box (1) has material receiving box (14), material receiving box (14) are kept away from the one end of feed hopper (2) and are run through mixing box (1) and extend to the outside of mixing box (1), material receiving box (14) extend to mixing box (1) outside one end fixedly connected with handle (15).
5. The preparation method of the corrosion-resistant, acid-and alkali-resistant silicone rubber wire and cable according to claim 2, characterized in that: the top of feed hopper (2) is close to the one end opening of mixing box (1), the one end rotation that the top of feed hopper (2) is close to mixing box (1) is connected with quantitative board (16).
6. The preparation method of the corrosion-resistant, acid-and alkali-resistant silicone rubber wire and cable according to claim 5, wherein the preparation method comprises the following steps: the one end rotation that the inboard bottom of feed hopper (2) is close to mixing box (1) is connected with threaded rod (17), the spout with threaded rod (17) looks adaptation is seted up at the top of graduated plate (16), the spout runs through graduated plate (16), the below cover that the outside of threaded rod (17) is located graduated plate (16) is equipped with supporting shoe (18), top one end fixedly connected with handle (19) of threaded rod (17).
7. The preparation method of the corrosion-resistant, acid-and alkali-resistant silicone rubber wire and cable according to claim 6, wherein the preparation method comprises the following steps: the bottom of the quantitative plate (16) is provided with a limiting groove (20), the top of the inner side of the limiting groove (20) is connected with a limiting block (21) in a sliding mode, and the limiting block (21) is rotatably connected with the supporting block (18).
8. The preparation method of the corrosion-resistant, acid-and alkali-resistant silicone rubber wire and cable according to claim 6, wherein the preparation method comprises the following steps: the bottom fixedly connected with of supporting shoe (18) lifts flitch (22), it has seted up row material groove (23) to lift flitch (22) and be close to one side symmetry of compounding case (1), metal shrapnel (24) fixedly connected with swinging plate (25) are passed through to inner wall one side of row material groove (23).
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