CN109774095A - The preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE - Google Patents
The preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE Download PDFInfo
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- CN109774095A CN109774095A CN201910061271.0A CN201910061271A CN109774095A CN 109774095 A CN109774095 A CN 109774095A CN 201910061271 A CN201910061271 A CN 201910061271A CN 109774095 A CN109774095 A CN 109774095A
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Abstract
The present invention discloses the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE, the bellows includes the raw material of following parts by weight: high density polyethylene (HDPE): 260-300 parts, coupling agent: 80-100 parts, defoaming agent: 3-5 parts, wood powder: 100-120 parts, 30-50 parts of modified master, color masterbatch: 10-15 parts, elastomer: 20-25 parts, antioxidant: 25-30 parts, it is added to elastomer components in the preparation, so that the screwed pipe of finished product has higher elasticity modulus, and then substantially increase the ring stiffness of screwed pipe, defoaming agent is added in preparation simultaneously, defoaming agent can reduce the pernicious gas and bubble that each cost is generated when high temperature melt is compatible, improve the compatibility of each ingredient mixing, the hardness and reliability of screwed pipe are also improved simultaneously, using Calcium carbonate not only has good compatibility with high density polyethylene (HDPE) as filling master batch, while also reducing the manufacturing cost of screwed pipe, and economy is more preferable.
Description
Technical field
The present invention relates to wash helical bellows preparation technical field, and in particular to the double-colored enhancing helical bellows of the bis- ribs of HDPE
Preparation process.
Background technique
HDPE double-wall corrugated pipe, abbreviation PE bellows, double-wall corrugated pipe are one kind using high density polyethylene (HDPE) as raw material
Novel light tubing has the characteristics that light-weight, high pressure resistant, good toughness, construction is fast, the service life is long, and excellent structural pipe wall is set
Meter, compared with the tubing of other structures, cost is substantially reduced.And due to easy to connect, reliable, at home and abroad answered extensively
With.A large amount of substitution pipe of concretes and cast iron pipe, have been widely used for municipal works rainwater, sewage discharge, residence district, work at present
The sewage discharge of mine enterprise and cable, trunking etc..
In the preparation process of the double-colored enhancing helical bellows of the bis- ribs of existing HDPE, the former material of existing HDPE bellows
Expect that constituent precentagewise content meter is most are as follows: 20% PE resin, 30% PE feed back, 3% color masterbatch and 47% increasing
Strong to expect, HDPE bellows made of the material of this component is at high cost, and hardness is slightly short of, especially manufactured bellows
Ring stiffness, it is not easy to it is up to standard, and during extrusion molding, be mostly shaper extrusion molding, molding HDPE wave
Because the disqualification rate of surface defect is higher, the requirements such as tolerance grade of finished product are difficult to up to standard line pipe.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE
Technical problem.
The purpose of the present invention can be achieved through the following technical solutions:
The preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE, which includes the raw material of following parts by weight: high density
Polyethylene: 260-300 parts, coupling agent: 80-100 parts, defoaming agent: 3-5 parts, wood powder: 100-120 parts, 30-50 parts of modified master,
Color masterbatch: 10-15 parts, elastomer: 20-25 parts, antioxidant: 25-30 parts；
The bellows is prepared by following steps: be plasticized-being extruded into including raw material preparation-raw material mixing-drying
Type-fixed length cutting-test package processing step, specific steps are as follows:
Raw material preparation: step 1 wood powder is dried using two-stage assembled pulse air-flow, detailed process are as follows: in 120-180
DEG C environment in dry 2-3 hours, so that its moisture is mixed into coupling agent after being cooled to room temperature and is put into blender lower than 300mg/kg
In, it is heated to after 75-80 DEG C rotating 8-10 minutes acquisition mixing A with the revolving speed of 850-1000RPM, addition high density polyethylene (HDPE),
Elastomer, modified master, color masterbatch, which are uniformly mixed, obtains mixed material B；
Step 2, raw material mixing: mixing A and mixed material B are put into batch mixer, defoaming agent, antioxidant are added, in hot environment
Under rotated 35-40 minutes with the revolving speed of 350-450RPM, obtain mixing C；
Dry plasticizing: institute mixing C is put into drying 20-30 minutes in drying machine, drying temperature is 70-80 DEG C, dry by step 3
The inside and outside wall extruder of mixing C input double-wall corrugated pipe afterwards is plasticized, is squeezed out；
Step 4, extrusion molding: the mixing C for the plasticizing that the inside and outside wall extruder of double-wall corrugated pipe is squeezed out is by double-wall corrugated
Tube extrusion molding device extrusion molding；
Step 5, fixed length cutting: by the bellows bellows of double-wall corrugated pipe shaper extrusion molding according to demand with identical
Length cutting；
Test package: step 6 examines the glossiness, surface defect and dimensional tolerance of bellows, and to the product for examining qualification
It is packed, outbound.
Modified master in step 1 is calcium carbonate, and coupling agent is organochromium complexes coupling agent, silane coupling agent and titanium
Acid esters coupling agent it is one or more.
Hot environment in step 2 is 135-145 DEG C, and antioxidant is antioxidant 1076, and defoaming agent is silicone emulsion.
Plasticization temperature in step 3 is 170-185 DEG C.
As further scheme of the invention, extrusion molding apparatus includes runner, movable disk, locating piece, motion bar, installation
Block, supporting beam, first motor, reduction gearbox, chain, baffle, pressure roller, compression roller, bracket, linear guide, fixing piece, sliding block, shifting
Motion block, supporting block, locating piece, supporting mechanism and screw rod, one end of workbench, which is bolted, is equipped with pedestal, pedestal it is upper
End is equipped with shaft by bearing tight fit, and one end of shaft is rotatably connected to runner by key, and runner passes through belt and third
Motor rotation connection, third motor are fixedly connected by bolt with workbench, and the other end of shaft is rotated through pedestal by key
It is connected with movable disk, several mounting grooves are equidistantly provided in movable disk, movable part is connected in several mounting grooves, activity
Motion bar is connected with by pin shaft on part, and the top of movable part is welded with mounting blocks, coiling has original on mounting blocks
The bottom end of material, motion bar is connected with locating piece by pin shaft, and locating piece is rotatablely connected by key and shaft；
As further scheme of the invention, one end of workbench, which is bolted, is equipped with first motor, first motor
One end, which is bolted, is equipped with reduction gearbox, and one end of reduction gearbox is equipped with shaft, and shaft extends outwardly through reduction gearbox, and
One end of shaft is rotatablely connected first gear by key, and chain is connected in first gear, the other end activity of chain
It is connected with second gear, second gear is rotatablely connected by key and transmission shaft, and the both ends of transmission shaft pass through bearing and baffle activity
It connects, is equidistantly provided with several transmission shafts on baffle, the centre of several transmission shafts passes through key and is rotatably connected to compression roller；
As further scheme of the invention, the other end of baffle is equipped with fixed frame by bolt, and the top of fixed frame passes through
Bolt is fixedly installed with bracket, and one end spaced set of bracket has several linear guides, and several linear guides pass through fixation
Part is fixedly connected with bracket, and sliding block is slidably connected in several linear guides, and one end of sliding block, which is bolted, to be equipped with
Movable block, the top of movable block, which is bolted, is equipped with supporting block, and the bottom end of supporting block is bolted and is equipped with
Locating piece, the bottom end of several locating pieces are provided with extrusion head, and the one end for squeezing out head is rotatably connected to third gear by key,
Third gear is flexibly connected by belt with first gear.
As further scheme of the invention, the quantity of several mounting grooves is no less than four, and the top of mounting blocks is circular arc
Shape structure, the quantity of first gear are two, are arc-shaped setting between several linear guides, supporting block is L-shaped structure.
As further scheme of the invention, several transmission shafts are in symmetrical distribution, and one end of several transmission shafts up and down
Extending through baffle to the direction of first motor, one end of several transmission shafts passes through key and is rotatably connected to second gear, the
The mutual external toothing transmission between any two of two gears.
As further scheme of the invention, one end of baffle, which is bolted, is equipped with several connecting rods, several connecting rods
Intermediate active pressure roller is installed, the bottom end of movable block is connected with lead screw by threaded hole, and one end of lead screw passes through bolt
It is rotatablely connected with motor.
As further scheme of the invention, supporting mechanism include support frame, support rod, supporting element, installation part, guide post,
Support plate and screw rod, the bottom end of mounting plate, which is bolted, is equipped with supporting beam, and the bottom end of supporting beam passes through bolt and work
Platform is fixedly connected, and the top of mounting plate, which is bolted, is equipped with support frame, and the lower end of support frame is connected with support rod,
The both ends of support rod pass through bearing tight fit and are equipped with supporting element, and the upper end of support frame is equipped with screw rod, and the both ends of screw rod are equal
It is flexibly connected by threaded hole with supporting element, the top of supporting element is welded with installation part, and the top of installation part passes through screw thread
Hole is fixedly installed with guide post, and the top of guide post is fixedly installed with support plate by threaded hole.
As further scheme of the invention, support plate is along the circumferential direction recessed inwardly fluted, pacifies between two grooves
Equipped with raw material.
Beneficial effects of the present invention:
1, the present invention is added to elastomer components in the preparation, so that the bellows of finished product has higher elasticity modulus,
So that bellows (S2) ring stiffness of the invention has reached 10KN/m2, and then the ring stiffness of screwed pipe is substantially increased, while
Defoaming agent is added in preparation, defoaming agent can reduce the pernicious gas and bubble that each cost is generated when high temperature melt is compatible,
The compatibility for improving each ingredient mixing improves screwed pipe so that bellows shore hardness of the invention has reached 60MPa
Hardness and reliability are had good impact resistance, are made using calcium carbonate so that the brittle temperature of bellows has reached -75 DEG C
For filling master batch, not only there is good compatibility with high density polyethylene (HDPE), while also reducing the manufacturing cost of screwed pipe, pass through
Ji property is more preferable.
2, the present invention is in extrusion forming step, and the both ends of transmission shaft are flexibly connected by bearing with baffle, on baffle 13
Spaced set has several transmission shafts, and several transmission shafts are in symmetrical distribution up and down, and gear is run through in one end of several transmission shafts
Plate extends to the direction of the second motor, and one end of several transmission shafts passes through key and is rotatably connected to second gear, second gear two
Mutual external toothing transmission between two, raw material are constantly mobile to the direction of baffle with the rotation of mounting blocks, and then by squeezing
Pressure roller raw material squeeze it is preforming so that raw material enter extruder head before carry out preliminary extrusion forming, improve
The efficiency of head extrusion forming, and improve the precision of extrusion forming.
3, the present invention is equipped with support by passing through bearing tight fit at the both ends of support rod in extrusion forming step
Part, the upper end of support frame are equipped with screw rod, and the both ends of screw rod pass through threaded hole and are flexibly connected with supporting element, the top of supporting element
It is welded with installation part, the top of installation part is fixedly installed with guide post by threaded hole, and the top of guide post is solid by threaded hole
Dingan County is equipped with support plate, and support plate is along the circumferential direction recessed inwardly fluted, raw material is equipped between two grooves, so that former
The groove through support plate is delivered in baffle after material is conveyed out from mounting blocks, and groove provides support force for raw material, makes
Raw material remain horizontality and indeformable, improve the qualification rate of raw material extrusion forming.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the double-colored enhancing helical bellows extrusion molding apparatus structural schematic diagram of the bis- ribs of HDPE of the present invention.
Fig. 2 is the double-colored enhancing helical bellows extrusion molding apparatus front view of the bis- ribs of HDPE of the present invention.
Fig. 3 is supporting mechanism structural schematic diagram of the present invention.
Fig. 4 is a-quadrant detail enlarged diagram in Fig. 1 of the present invention.
Fig. 5 is B area detail enlarged diagram in Fig. 1 of the present invention.
In figure: 1, workbench；2, pedestal；3, runner；4, movable disk；5, locating piece；6, motion bar；7, mounting blocks；8, it props up
Support beam；9, raw material；10, first motor；11, reduction gearbox；12, chain；13, baffle；14, pressure roller；15, compression roller；16, it props up
Frame；17, linear guide；18, fixing piece；19, sliding block；20, movable block；21, supporting block；22, locating piece；23, mounting plate；24,
Support frame；25, support rod；26, supporting element；27, installation part；28, guide post；29, support plate；30, screw rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
The preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE, which includes the raw material of following parts by weight: high
Density polyethylene: 260-300 parts, coupling agent: 80-100 parts, defoaming agent: 3-5 parts, wood powder: 100-120 parts, modified master 30-
50 parts, color masterbatch: 10-15 parts, elastomer: 20-25 parts, antioxidant: 25-30 parts；
The bellows is prepared by following steps: be plasticized-being extruded into including raw material preparation-raw material mixing-drying
Type-fixed length cutting-test package processing step, the specific steps are as follows:
Raw material preparation: step 1 wood powder is dried using two-stage assembled pulse air-flow, detailed process are as follows: 120~
It is dried 2-3 hours in 180 DEG C of environment, makes its moisture lower than 300mg/kg, coupling agent is mixed into after being cooled to room temperature and is put into and is stirred
It mixes in machine, is heated to rotating 8-10 minutes acquisition mixing A after 75-80 DEG C with the revolving speed of 850-1000RPM, high-density polyethylene is added
Alkene, elastomer, modified master, color masterbatch, which are uniformly mixed, obtains mixed material B；
Step 2, raw material mixing: mixing A and mixed material B are put into batch mixer, defoaming agent, antioxidant are added, in hot environment
Under rotated 35-40 minutes with the revolving speed of 350-450RPM, obtain mixing C；
Dry plasticizing: institute mixing C is put into drying 20-30 minutes in drying machine, drying temperature is 70-80 DEG C, dry by step 3
The inside and outside wall extruder of mixing C input double-wall corrugated pipe afterwards is plasticized, is squeezed out；
Step 4, extrusion molding: the mixing C for the plasticizing that the inside and outside wall extruder of double-wall corrugated pipe is squeezed out is by double-wall corrugated
Tube extrusion molding device extrusion molding；
Step 5, fixed length cutting: by the bellows bellows of double-wall corrugated pipe shaper extrusion molding according to demand with identical
Length cutting；
Test package: the glossiness, surface defect and dimensional tolerance of bellows are examined, and the product for examining qualification is wrapped
Dress, outbound.
Modified master in step 1 is calcium carbonate, and coupling agent is organochromium complexes coupling agent, silane coupling agent and titanium
Acid esters coupling agent it is one or more.
Hot environment in step 2 is 135-145 DEG C.
Antioxidant in step 2 is antioxidant 1076, and defoaming agent is silicone emulsion.
Plasticization temperature in step 3 is 170-185 DEG C.
As shown in Figs. 1-5, the extrusion molding apparatus in step 4 include runner 3, movable disk 4, locating piece 5, motion bar 6,
Mounting blocks 7, supporting beam 8, first motor 10, reduction gearbox 11, chain 12, baffle 13, pressure roller 14, compression roller 15, bracket 16, straight line
Guide rail 17, fixing piece 18, sliding block 19, movable block 20, supporting block 21, locating piece 22, supporting mechanism and screw rod 30, wherein work
One end of platform 1, which is bolted, is equipped with pedestal 2, and the upper end of pedestal 2 is equipped with shaft by bearing tight fit, and the one of shaft
End is rotatably connected to runner 3 by key, and runner 3 is rotatablely connected by belt and third motor, and third motor passes through bolt and work
Make platform 1 to be fixedly connected, and third motor is that runner 3 provides driving force, the other end of shaft is rotatablely connected through pedestal 2 by key
There is movable disk 4, several mounting grooves is equidistantly provided in movable disk 4, and the quantity of several mounting grooves is no less than four, Ruo Ganan
It is connected with movable part in tankage, motion bar 6 is connected with by pin shaft on movable part, and the top welding of movable part is solid
Surely there are mounting blocks 7, coiling there are raw material 9 on mounting blocks 7, and the top of mounting blocks 7 is arc-shaped structure, so that disk on mounting blocks 7
When around raw material 9, certain expanding force can be provided for raw material 9, so that raw material are more stable in feeding, activity
The bottom end of bar 6 is connected with locating piece 5 by pin shaft, and locating piece 5 is rotatablely connected by key and shaft, by locating piece 5
Apply the power along rotor shaft direction, power is transferred to motion bar 6 by locating piece 5, and then is transferred to movable part by motion bar 6, in turn
So that movable part is moved along the direction of mounting groove, when needing to coil raw material 9, control movable part is moved to the direction close to shaft
It is dynamic, so that mounting blocks 7 are moved along the direction of shaft, facilitate coiling raw material 9, after coiling, control motion bar 6 is pushed
Mounting blocks 7 are far from rotor shaft direction, so that mounting blocks 7 are by 9 tensioner of raw material.
One end of workbench 1, which is bolted, is equipped with first motor 10, and one end of first motor 10 is solid by bolt
Dingan County is equipped with reduction gearbox 11, and one end of reduction gearbox 11 is equipped with shaft, and shaft extends outwardly through reduction gearbox 11, and the one of shaft
End is rotatablely connected first gear by key, and the quantity of first gear is two, and chain 12, chain are connected in first gear
The other end of item 12 is connected with second gear, and second gear is rotatablely connected by key and transmission shaft, and the both ends of transmission shaft are logical
It crosses bearing to be flexibly connected with baffle 13, several transmission shafts is equidistantly provided on baffle 13, several transmission shafts are in symmetrical up and down
Distribution, and one end of several transmission shafts is run through baffle 13 and is extended to the direction of first motor 10, one end of several transmission shafts is equal
It is rotatably connected to second gear by key, mutual external toothing transmission, the centre of several transmission shafts are logical between any two for second gear
It crosses key and is rotatably connected to compression roller 15, drive shaft rotation, Jin Ertong by opening first motor 10, and then by reduction gearbox 11
It crosses chain 12 and power is transferred to second gear, second gear external toothing between any two transmission, and then compression roller 15 is driven to rotate,
Raw material 9 are with the rotation of mounting blocks 7 and constantly mobile to the direction of baffle 13, so by compression roller 15 to raw material 9 into
Row extruding is preforming, so that raw material 9 carry out preliminary extrusion forming before entering extruder head, improves head extrusion forming
Efficiency, and improve the precision of extrusion forming.
One end of baffle 13, which is bolted, is equipped with several connecting rods, and the intermediate active of several connecting rods is equipped with pressure roller
14, pressure roller 14 carries out preliminary roll-in to raw material 9, so that the surface of raw material 9 is more smooth, reduces raw material 9 and exists
Disqualification rate when carrying out preforming.
The other end of baffle 13 is equipped with fixed frame by bolt, and the top of fixed frame, which is bolted, is equipped with bracket
16, one end spaced set of bracket 16 has several linear guides 17, and several linear guides 17 pass through fixing piece 18 and bracket
16 are fixedly connected, and setting is arc-shaped between several linear guides 17, slidably connect sliding block in several linear guides 17
19, one end of sliding block 19, which is bolted, is equipped with movable block 20, and the top of movable block 20, which is bolted, is equipped with branch
Bracer 21, supporting block 21 is L-shaped structure, and the bottom end of supporting block 21 is bolted and is equipped with locating piece 22, movable block 20
Bottom end lead screw is connected with by threaded hole, one end of lead screw is rotatablely connected by bolt and motor, and motor is movable block
20 mobile offer power, the bottom end of several locating pieces 22 are provided with extrusion head, and the one end for squeezing out head is rotated by key to be connected
It is connected to third gear, third gear is flexibly connected by belt with first gear, and then is driven and squeezed by the rotation of third gear
Press head rotation, so that preforming raw material 9 are carried out secondary extrusion molding.
One end of movable disk 4 is provided with supporting mechanism, and supporting mechanism includes support frame 24, support rod 25, supporting element 26, peace
Piece installing 27, guide post 28, support plate 29 and screw rod 30, the bottom end of mounting plate 23, which is bolted, is equipped with supporting beam 8, supporting beam
8 bottom end is fixedly connected by bolt with workbench 1, and the top of mounting plate 23, which is bolted, is equipped with support frame 24, branch
The lower end of support 24 is connected with support rod 25, and the both ends of support rod 25 pass through bearing tight fit and are equipped with supporting element 26,
The upper end of support frame 24 is equipped with screw rod 30, and the both ends of screw rod 30 pass through threaded hole and are flexibly connected with supporting element 26, supporting element
26 top is welded with installation part 27, and the top of installation part 27 is fixedly installed with guide post 28 by threaded hole, guide post 28
Top is fixedly installed with support plate 29 by threaded hole, support plate 29 be along the circumferential direction recessed inwardly it is fluted, two grooves it
Between raw material 9 are installed, by be arranged support plate 29 so that raw material 9 be conveyed out from mounting blocks 7 after through support plate 29
Groove is delivered in baffle 13, and groove is that raw material 9 provide support force, so that raw material 9 remain horizontality and constant
Shape improves the qualification rate of 9 extrusion forming of raw material, by adjusting between screw rod 30 and then adjustable two supporting elements 26
Distance, so that the support plate 29 on supporting element 26 has better supporting role to raw material 9.
The present invention in the preparation, is added to elastomer components, so that the screwed pipe of finished product has higher springform
Amount, and then the ring stiffness of screwed pipe is substantially increased, while defoaming agent is added in preparation, defoaming agent can reduce each cost
The pernicious gas and bubble generated when high temperature melt is compatible, improves the compatibility of each ingredient mixing, while also improving spiral shell
The hardness and reliability of line pipe not only have good compatibility with high density polyethylene (HDPE) using calcium carbonate as filling master batch,
The manufacturing cost of screwed pipe is also reduced simultaneously, economy is more preferable；In extrusion forming step, the both ends of transmission shaft pass through bearing
It being flexibly connected with baffle 13, several transmission shafts is equidistantly provided on baffle 13, several transmission shafts are distributed in symmetrical up and down, and
One end of several transmission shafts is run through baffle 13 and is extended to the direction of the second motor 10, and one end of several transmission shafts is turned by key
Dynamic to be connected with second gear, mutual external toothing transmission, raw material 9 are continuous with the rotation of mounting blocks 7 between any two for second gear
It is mobile to the direction of baffle 13, and then by compression roller 15 raw material 9 squeeze it is preforming so that raw material 9 into
Preliminary extrusion forming is carried out before entering extruder head, improves the efficiency of head extrusion forming, and improve the essence of extrusion forming
Degree；Supporting element 26 is installed by passing through bearing tight fit at the both ends of support rod 25, the upper end of support frame 24 is equipped with spiral shell
Bar 30, the both ends of screw rod 30 pass through threaded hole and are flexibly connected with supporting element 26, and the top of supporting element 26 is welded with installation
The top of part 27, installation part 27 is fixedly installed with guide post 28 by threaded hole, and the top of guide post 28 is fixedly mounted by threaded hole
There is a support plate 29, support plate 29 is along the circumferential direction recessed inwardly fluted, raw material 9 is equipped between two grooves, so that former
The groove through support plate 29 is delivered in baffle 13 after material 9 is conveyed out from mounting blocks 7, and groove is that raw material 9 provide branch
Support force improves the qualification rate of 9 extrusion forming of raw material so that raw material 9 remain horizontality and indeformable.
The working principle of extrusion forming device in the preparation process of the double-colored enhancing helical bellows of the double ribs of this HDPE:
Movable part is controlled to close to the movement of the direction of shaft, so that mounting blocks 7 are moved along the direction of shaft, facilitates coiling former
Material 9, after coiling, control motion bar 6 pushes mounting blocks 7 far from rotor shaft direction, so that mounting blocks 7 are by raw material 9
Tensioner opens third motor, and then drives movable disk 4 to rotate by runner 3, and then by raw material 9 on the direction of baffle 13
Material；Several transmission shafts are equidistantly provided on baffle 13, so that several transmission shafts are in symmetrical distribution, and several transmissions up and down
One end of axis is run through baffle 13 and is extended to the direction of first motor 10, and one end of several transmission shafts is rotatably connected to by key
Second gear, the second gear transmission of mutual external toothing between any two, the centre of several transmission shafts pass through key be rotatably connected to it is crowded
Pressure roller 15 drives shaft rotation by opening first motor 10, and then by reduction gearbox 11, and then is passed power by chain 12
It is handed to second gear, second gear external toothing between any two transmission, and then compression roller 15 is driven to rotate, raw material 9 are with mounting blocks 7
Rotation and it is constantly mobile to the direction of baffle 13, and then by compression roller 15 raw material 9 squeeze preforming, squeezed
One end of head is rotatably connected to third gear by key out, and third gear is flexibly connected by belt with first gear, in turn
Extruder head rotation is driven by the rotation of third gear, so that preforming raw material 9 are carried out secondary extrusion molding.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (10)
- The preparation process of the double-colored enhancing helical bellows of the bis- ribs of 1.HDPE, which is characterized in that the bellows includes following parts by weight Raw material: high density polyethylene (HDPE): 260-300 parts, coupling agent: 80-100 parts, defoaming agent: 3-5 parts, wood powder: 100-120 parts, change 30-50 parts of sexupara material, color masterbatch: 10-15 parts, elastomer: 20-25 parts, antioxidant: 25-30 parts；The bellows is prepared by following steps: be plasticized-being extruded into including raw material preparation-raw material mixing-drying Type-fixed length cutting-test package processing step, specific steps are as follows:Raw material preparation: step 1 wood powder is dried using two-stage assembled pulse air-flow, detailed process are as follows: in 120-180 DEG C environment in dry 2-3 hours, so that its moisture is mixed into coupling agent after being cooled to room temperature and is put into blender lower than 300mg/kg In, it is heated to after 75-80 DEG C rotating 8-10 minutes acquisition mixing A with the revolving speed of 850-1000RPM, addition high density polyethylene (HDPE), Elastomer, modified master, color masterbatch, which are uniformly mixed, obtains mixed material B；Step 2, raw material mixing: mixing A and mixed material B are put into batch mixer, defoaming agent, antioxidant are added, in hot environment Under rotated 35-40 minutes with the revolving speed of 350-450RPM, obtain mixing C；Dry plasticizing: institute mixing C is put into drying 20-30 minutes in drying machine, drying temperature is 70-80 DEG C, dry by step 3 The inside and outside wall extruder of mixing C input double-wall corrugated pipe afterwards is plasticized, is squeezed out；Step 4, extrusion molding: the mixing C for the plasticizing that the inside and outside wall extruder of double-wall corrugated pipe is squeezed out is by double-wall corrugated Tube extrusion molding device extrusion molding；Step 5, fixed length cutting: by the bellows bellows of double-wall corrugated pipe shaper extrusion molding according to demand with identical Length cutting；Test package: step 6 examines the glossiness, surface defect and dimensional tolerance of bellows, and to the product for examining qualification It is packed, outbound.
- 2. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 1, which is characterized in that step Modified master in one is calcium carbonate, and coupling agent is organochromium complexes coupling agent, silane coupling agent and titanate coupling agent It is one or more.
- 3. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 1, which is characterized in that described Hot environment in step 2 is 135-145 DEG C, and antioxidant is antioxidant 1076, and defoaming agent is silicone emulsion.
- 4. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 1, which is characterized in that described Plasticization temperature in step 3 is 170-185 DEG C.
- 5. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 1, which is characterized in that step Extrusion molding apparatus described in four includes runner (3), movable disk (4), locating piece (5), motion bar (6), mounting blocks (7), support Beam (8), first motor (10), reduction gearbox (11), chain (12), baffle (13), pressure roller (14), compression roller (15), bracket (16), Linear guide (17), fixing piece (18), sliding block (19), movable block (20), supporting block (21), locating piece (22), supporting mechanism and Screw rod (30), one end of workbench (1), which is bolted, to be equipped with pedestal (2), and the upper end of pedestal (2) passes through bearing tight fit Shaft is installed, one end of shaft is rotatably connected to runner (3) by key, and runner (3) is connected by belt and the rotation of third motor It connects, third motor is fixedly connected by bolt with workbench (1), and the other end of shaft is rotatablely connected through pedestal (2) by key Have movable disk (4), several mounting grooves are equidistantly provided in movable disk (4), movable part is connected in several mounting grooves, it is living It is connected with motion bar (6) on moving part by pin shaft, and the top of movable part is welded with mounting blocks (7), mounting blocks (7) Upper coiling has raw material (9), and the bottom end of motion bar (6) is connected with locating piece (5) by pin shaft, and locating piece (5) passes through key It is rotatablely connected with shaft；One end of workbench (1), which is bolted, to be equipped with first motor (10), and one end of first motor (10) passes through bolt It being fixedly installed with reduction gearbox (11), one end of reduction gearbox (11) is equipped with shaft, and shaft extends outwardly through reduction gearbox (11), and One end of shaft is rotatablely connected first gear by key, and chain (12) is connected in first gear, chain (12) it is another One end is connected with second gear, and second gear is rotatablely connected by key and transmission shaft, the both ends of transmission shaft by bearing with Baffle (13) is flexibly connected, and several transmission shafts are equidistantly provided on baffle (13), and the centre of several transmission shafts is turned by key It is dynamic to be connected with compression roller (15)；The other end of baffle (13) is equipped with fixed frame by bolt, and the top of fixed frame, which is bolted, is equipped with bracket (16), one end spaced set of bracket (16) has several linear guides (17), and several linear guides (17) pass through fixing piece (18) it is fixedly connected, is slidably connected sliding block (19) on several linear guides (17), one end of sliding block (19) with bracket (16) It being bolted and is equipped with movable block (20), the top of movable block (20), which is bolted, to be equipped with supporting block (21), and The bottom end of supporting block (21), which is bolted, to be equipped with locating piece (22), and the bottom end of several locating pieces (22) is provided with extruder Head, the one end for squeezing out head are rotatably connected to third gear by key, and third gear is flexibly connected by belt with first gear.
- 6. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 5, which is characterized in that several The quantity of the mounting groove is no less than four, and the top of mounting blocks (7) is arc-shaped structure, and the quantity of first gear is two, Setting is arc-shaped between several linear guides (17), supporting block (21) is L-shaped structure.
- 7. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 5, which is characterized in that several The transmission shaft is in symmetrical distribution up and down, and side of the baffle (13) to first motor (10) is run through in one end of several transmission shafts To extension, one end of several transmission shafts passes through key and is rotatably connected to second gear, second gear mutual external toothing between any two Transmission.
- 8. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 5, which is characterized in that described One end of baffle (13), which is bolted, is equipped with several connecting rods, and the intermediate active of several connecting rods is equipped with pressure roller (14), moves The bottom end of motion block (20) is connected with lead screw by threaded hole, and one end of lead screw is rotatablely connected by bolt and motor.
- 9. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 5, which is characterized in that described Supporting mechanism include support frame (24), support rod (25), supporting element (26), installation part (27), guide post (28), support plate (29) and Screw rod (30), the bottom end of mounting plate (23), which is bolted, to be equipped with supporting beam (8), and the bottom end of supporting beam (8) passes through bolt It is fixedly connected with workbench (1), the top of mounting plate (23), which is bolted, to be equipped with support frame (24), support frame (24) Lower end is connected with support rod (25), and the both ends of support rod (25) pass through bearing tight fit and are equipped with supporting element (26), branch The upper end of support (24) is equipped with screw rod (30), and the both ends of screw rod (30) pass through threaded hole and are flexibly connected with supporting element (26), The top of supporting element (26) is welded with installation part (27), and the top of installation part (27) is fixedly installed with guide post by threaded hole (28), the top of guide post (28) is fixedly installed with support plate (29) by threaded hole.
- 10. the preparation process of the double-colored enhancing helical bellows of the bis- ribs of HDPE according to claim 5, which is characterized in that institute It states support plate (29) and is along the circumferential direction recessed inwardly fluted, raw material (9) are installed between two grooves.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113021829A (en) * | 2021-03-19 | 2021-06-25 | 江西天丰建设集团管业科技有限公司 | Preparation process of high-temperature bubble-reducing double-rib double-color reinforced spiral corrugated pipe |
| CN113462060A (en) * | 2021-07-30 | 2021-10-01 | 安徽豪洋管业科技有限公司 | HDPE double-wall corrugated pipe processing and extruding process |
| CN114921013A (en) * | 2022-05-19 | 2022-08-19 | 江西天丰建设集团管业科技有限公司 | Preparation process of double-rib double-color reinforced spiral corrugated pipe |
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| CN106947142A (en) * | 2017-04-09 | 2017-07-14 | 贵州枫叶管业有限公司 | A kind of enhanced HDPE double-wall corrugated pipes and preparation method thereof |
| CN109096599A (en) * | 2018-06-28 | 2018-12-28 | 鹤山联塑实业发展有限公司 | A kind of novel PE-PP compound double-wall corrugated pipe and preparation method thereof |
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| CN113462060A (en) * | 2021-07-30 | 2021-10-01 | 安徽豪洋管业科技有限公司 | HDPE double-wall corrugated pipe processing and extruding process |
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