CN109093968A - A kind of coil of strip week backplate production line - Google Patents
A kind of coil of strip week backplate production line Download PDFInfo
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- CN109093968A CN109093968A CN201810794689.8A CN201810794689A CN109093968A CN 109093968 A CN109093968 A CN 109093968A CN 201810794689 A CN201810794689 A CN 201810794689A CN 109093968 A CN109093968 A CN 109093968A
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- roller
- extrusion
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- barrel
- production line
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- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
- B29C59/046—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for layered or coated substantially flat surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- 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
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- 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
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to all backplate production technical fields, propose a kind of coil of strip week backplate production line, including the extrusion device set gradually, three-roll press-polishing device, tensioning equipment, cooling device and cutting means, extrusion device includes two horizontally disposed barrels, barrel one end is closed end, the other end is output end, two output ends are close to each other and connect with distributor, distributor includes the major ingredient entrance and auxiliary material entrance close to output end, major ingredient entrance is connect with split flow pump with auxiliary material entrance, split flow pump is all connected with sprue and secondary flow road, sprue is provided with pressure roller close to converging at runner, the both ends of through-thickness are arranged in pressure roller, the axis of pressure roller is vertical with direction is squeezed out, it solves the production of existing coil of strip week backplate there are equipment and is excessive, it is at high cost, the technical problems such as all backplate qualities are low.
Description
Technical field
The invention belongs to coil of strip protection technique fields, are related to a kind of coil of strip week backplate production line.
Background technique
Coil of strip is during transportation due to from great, it is difficult to carry, and transportation environment is difficult to ensure, since coil of strip is steel
Material is met sour, chance water and is easily corroded, carries rolling and be also easy to produce collision, and coil of strip deformation or damage, coil of strip value height, if not are caused
Pay attention to protecting coil of strip, will cause great economic loss, therefore can be wrapped up when the coil of strip factory of general producer's production circumferential
Backplate, the production of coil of strip week backplate needs to mix and stir by raw material, heating melting, plasticizing squeeze out, are cooling, cuts segmentation, week
Backplate plate matter is generally the polyethylene of upper and lower surface and the polyurethane of middle layer, and polyethylene chemical stability is good, is resistant to most
The erosion of number soda acid, low temperature resistant, electrical insulating property is excellent；Polyurethane material has the characteristics such as high intensity, tear-proof, wear-resisting, passes through
The cooperation of polyethylene and polyurethane can protect well coil of strip not to be hit and corrode.
Coil of strip week, backplate extruder was generally multilayer extrusion, but led to three layers of extrusion board since distributor has differences
Material the technical problems such as be unevenly distributed；General coil of strip week backplate is that upper and lower surface is smooth surface, and it is inadequate that there are buffering effects
The technical problems such as good.
Summary of the invention
The invention proposes a kind of coil of strip week backplate production lines, solve above-mentioned technical problem.
The technical scheme of the present invention is realized as follows:
A kind of coil of strip week backplate, comprising:
Extexine, middle layer and endosexine, are provided with equally distributed small protrusion on the extexine, the extexine with it is interior
Surface layer is polyethylene layer, and middle layer is layer of polyurethane.
A kind of coil of strip week backplate production line, comprising:
The extrusion device set gradually, the three-roll press-polishing device for extruding the small protrusion on all backplates, tensioning dress
It sets, cooling device and cutting means.
As further technical solution, the extrusion device includes two and is respectively used to squeeze out the endosexine, appearance
The barrel of layer and the middle layer, described barrel one end are closed end, and the other end is output end, and two output ends are close to each other
And it is connect with distributor.
As further technical solution, the distributor includes the major ingredient entrance connecting respectively with two output ends
With auxiliary material entrance, the major ingredient entrance is connect with split flow pump with the auxiliary material entrance, and the split flow pump other end passes through mainstream
Road and secondary flow road are connect with runner is converged, the sprue and it is described converge pressure roller is provided between runner, the axis of the pressure roller
Line is vertical with direction is squeezed out.
As further technical solution, the sprue is horizontally disposed, and the secondary flow road is arranged in the sprue pair
The two sides of title, the gate thickness that converges is greater than the sprue thickness, and the end for converging runner is connect with extrusion, institute
Stating and squeezing out mouth-shaped is Duckbill type, and the thickness of the extrusion gradually becomes smaller along direction is squeezed out.
As further technical solution, cooling device is provided with outside the barrel, the cooling device is close to described point
Orchestration, the cooling device include the circulating line being circumferentially arranged around the barrel, are provided with water inlet on the circulating line
And water outlet, diaphragm plate and annular partition are provided in the circulating line, the tabula plate face and the circulating line are circumferential
Line is vertical, and the annular partition extending direction and the circulating line are circumferentially identical, described annular partition one end and the tabula
Plate connection, is arranged jagged, the circulating line is divided into multiple by the annular partition between the other end and the diaphragm plate
Interconnected water channel, the water inlet and the water outlet are separately positioned on the two sides of the diaphragm plate.
As further technical solution, filtering purifier is provided on the water inlet.
As further technical solution, feed inlet is provided on the barrel, the feed inlet is back taper, the material
Axially disposed in cylinder to have a screw rod, one end of the screw rod passes through described barrel one end and connect with rotating electric machine, the other end according to
It is secondary to be connected by bearing, connecting rod with the inner circumferential wall of the barrel.
As further technical solution, the three-roll press-polishing device includes the branch that the extrusion device side is arranged in
Frame is provided with upper roller, middle roller and bottom roll that axis is parallel to each other, the upper roller, the middle roller on the bracket
It is in the same plane with the bottom roll axis, the middle roller and the upper roller, the middle roller and the bottom roll
Direction of rotation on the contrary, be provided with the first gap between the middle roller and the bottom roll, the middle roller and the upper rolling
The second gap is provided between cylinder, and the extrusion is close to first gap.
As further technical solution, equally distributed pass groove is provided on the middle roller.
As further technical solution, first clearance height is less than the extrusion open height.
As further technical solution, the tensioning equipment includes the tensioning that the three-roll press-polishing device side is arranged in
Frame, is provided with tensioning roller and lower tensioning roller on the stretching rack, the upper tensioning roller and the lower tensioning roller it
Between form the tensioning gap for being involved in all backplates.
As further technical solution, the cooling device includes the large water tank that tensioning gap side is arranged in,
Cambered way is provided in the large water tank, the cambered way top is identical as the extrusion open height, on the large water tank
Side is provided with small water tank, and the small water tank bottom is provided with aperture.
As further technical solution, the cutting means include the platform that the cooling device side is arranged in, institute
The first sliding roller that platform is provided perpendicular to direction of transfer along the both ends of direction of transfer is stated, is provided in the middle part of the platform detachable
V-type groove, the V-type groove is parallel with the described first sliding roll axis, is provided with moving up and down cut above the platform
Knife, the cutter are arranged right above the V-type groove.
As further technical solution, the two sides of the V-type groove are provided with card slot, the card slot extending direction and biography
Send direction identical.
Compared with prior art, it working principle of the present invention and has the beneficial effect that
1, in the present invention, all backplates is rolled up and are combined by trilaminate material, upper and lower surface material is polyethylene, and extexine is exposed
There is small protrusion by three-roll press-polishing device coining on outside, extexine, on the one hand small raised role can increase all backplates
On the other hand all backplate buffering effects can be improved in aesthetics；Polyethylene material have waterproof, acid-proof, surface it is smooth, it is smooth,
A variety of advantages such as pressure resistance, impact resistance, cold-resistant, high temperature resistant, corrosion-resistant, ageing-resistant, can protect steel coil end-face erosion control in storage and transportation
It hits, is waterproof, against pressure and injury-free；Polyurethane material has the characteristics such as high intensity, tear-proof, wear-resisting, by polyethylene and gathers
The cooperation of urethane can protect well coil of strip not to be hit and corrode.
2, in the present invention, extrusion device is used for the extrusion molding simultaneously of the upper, middle and lower trilaminate material of all backplates, three-roll press-polishing
Device is used to imprint out all backplate extexines the small protrusion of decorative pattern, and tensioning equipment stretches for all backplates to be stretched flat and provides traction
Power, cooling device are used for all guard plate materials and are cooled and shaped, and prevent its deformation；Cutting means meet coil of strip perimeter for plate to be cut into
Size.
3, in the present invention, extrusion device includes two horizontally disposed barrels, and a barrel squeezes out polyurethane for being plasticized
Major ingredient, another barrel are material extrusion end for being plasticized polyethylene extrusion auxiliary material, barrel one end closure, the other end.Two barrels
Output end is connected with the major ingredient entrance of distributor and auxiliary material entrance respectively.Extrusion device output end is provided with master in distributor
Expect entrance and auxiliary material entrance, major ingredient is sent by sprue by split flow pump, auxiliary material is sent into two secondary flow roads, and secondary flow road is located at mainstream
The two sides up and down in road.The auxiliary material that one extrusion device squeezes out can be diverted in two secondary flow roads by split flow pump, and from master
The two sides up and down of runner squeeze out, and are combined into the molding week backplate comprising three layers of upper, middle and lower with major ingredient, split flow pump will be from auxiliary material entrance
The auxiliary material of entrance is diverted to two secondary flow roads, reduces the quantity of extrusion device, saves cost.
4, in the present invention, runner supplemented by two sides above and below sprue, secondary flow road tilts to sprue direction and meets at assemble jamming
Road, three layers of raw material of upper, middle and lower are complex as the whole and extrusion molding from extrusion in converging runner, and distributor is far from extrusion dress
The one end set is extrusion die, is provided with rectangle extrusion on extrusion die.Sprue and secondary flow road are close to the one of split flow pump
End opening is smaller, becomes larger along close to the direction for converging runner, until width is consistent with width of flow path is converged, it in this way can be more
It is easy that Flow of Goods and Materials is unfolded, forms the size of extrusion, material is also prevented from caking.Sprue is provided with pressure close to converging at runner
The two sides up and down of sprue are arranged in roller, pressure roller, and the extending direction of pressure roller is vertical with direction is squeezed out, and pressure roller is used for tentatively by major ingredient
Compacting, reduces major ingredient and auxiliary material converges rear major ingredient since deformation squeezes the auxiliary material of upper and lower level, causes in molding all backplates middle layer
Between thick rim it is thin, the situation of upper and lower level intermediate thin both sides thickness improves the quality of product.
5, in the present invention, in extrusion device close to output, water cooling plant is closed annular sleeve for water cooling plant setting
Pipe, is set on extrusion device barrel, water cooling plant be internally provided with the diaphragm plate parallel with barrel axis and with barrel axis
The vertical annular partition of line, diaphragm plate and annular partition are seamlessly connected with the inner wall up and down of water cooling plant, and annular partition is shared
Two, and one end is connect with diaphragm plate, the other end and diaphragm plate have certain interval, and two annular partitions are formed by three annulars
Water channel is connected to by the clearance gaps.Inlet and outlet, water inlet and the first ring are respectively arranged in the two sides of diaphragm plate
The connection of shape water channel, water outlet are connected to third water annulus.Water inlet is provided with filter device for filtering in cooling water
Scale.Cold water enters from the inlet, and flows along three water annulus, flows out from water outlet, passes through the tabula of inside setting
Plate and annular partition can be such that cold water sufficiently flows in cooling device and take away heat, improve cooling efficiency.
6, in the present invention, mixed material enters in barrel from feed inlet, and the barrel of extruder is generally divided into five sections, there is heating
On the one hand the effect of fusion plastification sufficiently mixes material by screw rod rotary squeezing, on the one hand simultaneously to material pressure and shearing force
It is conveyed to output end.Screw rod one end is supported by sealed end, and the other end is supported by connecting rod, since screw rod does not stop to rotate,
Bearing is arranged in screw end periphery, and bearing is fixed together with connecting rod, and screw rod can rotate freely in bearing, screw rod both ends
By support force, when only one end is supported, screw rod rotation speed is fast, torque is big, and free end flexure is sagging, and rotation is easy to produce
The case where shaking, bent screws, the support of bilateral stress effectively reduce screw rod and rotate unstable problem, extend making for screw rod
Use the service life.Circular screw thread has hard sharp erosion-resisting characteristic on screw rod, and multiple small blades have been fixedly installed on screw thread, can
To be contacted with the rotation of screw rod with material, increase stirring efficiency, be sufficiently mixed material, obtains bigger shearing force, screw rod
Apart from about 10-20 centimetres of cartridge wall, the two subtracts screw thread there are the friction that certain spacing can prevent screw thread and blade and barrel
Few equipment operational heat, keeps the temperature in barrel relatively easier to control, spacing and be not that screw rod can be made to play one's part to the full very much,
The diameter of thread is bigger, to the stronger power for stirring and material being promoted just to generate.
7, in the present invention, three-roll press-polishing device includes three rollers that axis is disposed on the same plane, shape between roller
At the first gap and the second gap, decorative pattern i.e. pass groove is provided on middle roller.Pass through all backplate materials of distributor extrusion
The first gap for being involved between roller and bottom roll is simultaneously therefrom pierced by the second gap between roller and upper roller, in
Cylinder contact is squeezed out decorative pattern, the i.e. small protrusion of upper epidermis on one side, is then passed through the second gap to change direction of transfer.
8, in the present invention, the axis of upper tensioning roller and lower tensioning roller is parallel to each other, and two rollers are arranged up and down, upper tensioning
Tensioning gap and plate between roller and lower tensioning roller is almost the same, and plate is involved in tensioning gap, can tensioning and towing plate
Material.
9, in the present invention, cooling device includes large water tank, and cambered way is provided in large water tank, and cambered way one end is close
Extrusion, cambered way top are provided with small water tank.The plate being extruded glides along cambered way therewith, and cambered way is by flood
Cold water in case did not had, and therefore crosses water along the plate of cambered way transmission and is cooled, meanwhile, in the small water tank above large water tank
Constantly there is water to flow out from the aperture of bottom plate, flows to the upper surface of extrusion board, the collective effect of upper lower header is quickly cooled down plate,
Since slideway is arc, the arcuately slideway that plate can be smooth is to next equipment conveying, i.e., from the other end quilt of cambered way
Output, is then cut.
10, in the present invention, cutting means include a platform, and platform is provided with first along the both ends of plate direction of transfer
The setting of sliding roller, the first sliding roller can be such that extrusion board more smoothly enters below cutter.It is provided on platform moving up and down
Cutter, cutter is controlled the frequency cut by corresponding equipment, so that every piece of extrusion board size cut is consistent.Cutter just
Lower section is provided with V-type groove, and the first sliding roller is vertical with extrusion board direction of transfer with V-type groove extending direction, which can
The setting of disassembly on platform, V-type groove and cutter size match the V-type groove is set can be to greatest extent by extrusion board
Cutting, and being used for a long time easily wears V-type groove, the V-type groove for being set as removable and replaceable, which can extend, entirely cuts dress
The service life set.It is provided with card slot along the two sides of plate direction of transfer on platform, biggish side spacing is the first card slot, another
Small-pitch side is the second card slot, by card slot limitation through overcooled plate, by the direction of transfer of plate that cuts and
Position.Hobboing cutter is provided between second card slot and cutter, the two sides of platform are arranged in hobboing cutter, and hobboing cutter is used to cut the side of plate
Edge, general edge can all have a little flaws, such as expect ununiform situation, it is therefore desirable to cut away edge.Hobboing cutter includes hobboing cutter
Frame is provided with roll blade on hob head, and roll blade is consistent with plate conveying direction, and roll blade passes through roller bearing and bearing and hob head
Connection.A part of roll blade is fallen into the arc groove on platform, and on platform, such setting can make to roll a part
Blade sufficiently and web contact, faster by plate cutting.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is production line structural schematic diagram of the present invention；
Fig. 2 is all backplate cross section structure schematic diagrams in the present invention；
Fig. 3 is extruder structure schematic diagram in the present invention；
Fig. 4 is extruder barrel schematic diagram of internal structure in the present invention；
Fig. 5 is inner skeleton structure perspective diagram in the present invention；
Fig. 6 is water cooling plant perspective structure schematic diagram in the present invention；
Fig. 7 is water cooling plant internal structure schematic top plan view in the present invention；
Fig. 8 is three-roll press-polishing device structural schematic diagram in the present invention；
Fig. 9 is tensioning equipment structural schematic diagram in the present invention；
Figure 10 is cooling device structural schematic diagram in the present invention；
Figure 11 is cutting means structural schematic diagram in the present invention；
Figure 12 is hob-cutter structure schematic diagram in the present invention；
In figure: 1- extrusion device, 11- barrel, 121- extrusion, 13- feed inlet, 131- sealing cover, 132- cushion rubber,
133- heating plate, 14- screw rod, 141- blade, 15- rotating electric machine, 16- bearing, 161- connecting rod, 17- air extractor, 171- storage
Inflator, 172- strainer, 173- piston rod, 174- cylinder, 175- vent valve, 176- desiccant, 18- speed reducer, 19- belt, 2-
Cutting means, 21- platform, 211- arc groove, the sliding roller of 22- first, 23-V type groove, 24- cutter, 25- card slot, 27- hobboing cutter,
271- hob head, 272- roller bearing, 273- bearing, 274- roll blade, 3- three-roll press-polishing device, 31- bracket, the upper roller of 32-, 33-
Middle roller, 34- bottom roll, the first gap 35-, the second gap 36-, 37- pass groove, 38- heating device, 4- tensioning equipment,
41- stretching rack, the upper tensioning roller of 42-, tensioning roller under 43-, 44- tensioning gap, 5- cooling device, 51- large water tank, 52- arc
Shape slideway, the small water tank of 53-, 54- aperture, 61- upper epidermis, the middle layer 62-, 63- layer, the small protrusion of 64-, 71- closed end, 72-
Output end, 73- distributor, 731- major ingredient entrance, 732- auxiliary material entrance, 733- split flow pump, 734- sprue, 735- secondary flow road,
736- converges runner, 737- pressure roller, 74- water cooling plant, 741- circulating line, 742- water inlet, 743- water outlet, 744- cross
Partition, 745- annular partition, 746- notch, 747- filter purifier.
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 every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Fig. 1-Figure 12, the present invention proposes a kind of coil of strip week backplate, comprising:
Extexine 61, middle layer 62 and endosexine 63, be provided on extexine it is equally distributed small by raised 64, extexine with it is interior
Surface layer is polyethylene layer, and middle layer is layer of polyurethane.
In the present embodiment, coil of strip week backplate be combined by trilaminate material, upper and lower surface material be polyethylene, extexine 61
It is naked to be exposed on the external, had by the coining of three-roll press-polishing device 3 small by raised 64 on extexine 61, on the one hand small raised 64 effect can increase
Add the aesthetics of all backplates, all backplate buffering effects on the other hand can be improved；Polyethylene material has waterproof, acid-proof, surface
A variety of advantages such as smooth, smooth, pressure-resistant, impact resistance, cold-resistant, high temperature resistant, corrosion-resistant, ageing-resistant, can protect steel coil end-face and exist
It is protecting against shock in storage and transportation, waterproof, against pressure and injury-free；Polyurethane material has the characteristics such as high intensity, tear-proof, wear-resisting, passes through
The cooperation of polyethylene and polyurethane can protect well coil of strip not to be hit and corrode.
As shown in Fig. 1-Figure 12, the present invention proposes a kind of coil of strip week backplate production line, comprising:
Extrusion device 1, three-roll press-polishing device 3, tensioning equipment 4, cooling device 5 and the cutting means 2 set gradually.
In the present embodiment, the production of backplate of coil of strip week needs successively to pass through extrusion, press polish, stretching, cooling, cuts process,
Correspondingly, all backplate production lines include the extrusion device 1 set gradually, three-roll press-polishing device 3, tensioning equipment 4, cooling dress
Set 5, cutting means 2.Extrusion device 1 is used for the extrusion molding simultaneously of the upper, middle and lower trilaminate material of all backplates, three-roll press-polishing device 3
For imprinting out all backplate extexines 61, decorative pattern is small by raised 64, and tensioning equipment 4 is led for being stretched flat all backplates to stretch and provide
Gravitation, cooling device 5 are used for all guard plate materials and are cooled and shaped, and prevent its deformation；Cutting means 2 meet coil of strip for plate to be cut into
The size of perimeter.
Further, extrusion device 1 includes two horizontally disposed barrels 11, and 11 one end of barrel is closed end 71, the other end
For output end 72, two output ends 72 are close to each other and connect with distributor 73.
In the present embodiment, extrusion device 1 includes two horizontally disposed barrels 11, and a barrel 11 gathers for being plasticized to squeeze out
Urethane major ingredient, another barrel 11 are material extrusion end for being plasticized polyethylene extrusion auxiliary material, 11 one end of barrel closure, the other end.Two
The output end 72 of a barrel 11 is connected with the major ingredient entrance 731 of distributor 73 and auxiliary material entrance 732 respectively.
Further, distributor 73 includes the major ingredient entrance 731 and auxiliary material entrance 732 close to output end 72, major ingredient entrance 731
It is connect with split flow pump 733 with auxiliary material entrance 732, split flow pump 733 is all connected with sprue 734 and secondary flow road 735.
In the present embodiment, 1 output end 72 of extrusion device is provided with major ingredient entrance 731 in distributor 73 and auxiliary material enters
Major ingredient is sent into sprue 734 by split flow pump 733 by mouth 732, and auxiliary material is sent into two secondary flow roads 735, and secondary flow road 735 is located at master
The two sides up and down of runner 734.The auxiliary material that an extrusion device 1 squeezes out can be diverted to two secondary flow roads by split flow pump 733
It in 735, and is squeezed out from the two sides up and down of sprue 734, is combined into the molding week backplate comprising three layers of upper, middle and lower with major ingredient, shunts
The auxiliary material entered from auxiliary material entrance 732 is diverted to two secondary flow roads 735 by pump 733, reduces the quantity of extrusion device 1, is saved
Cost.
Further, sprue 734 is horizontally disposed, and secondary flow road 735 is arranged in the symmetrical two sides of sprue 734, and to mainstream
Road 735 tilts, and sprue 734 and 735 intersection of secondary flow road are provided with and converge runner 736, converges 736 thickness of runner greater than mainstream
734 thickness of road, the end for converging runner 736 are connect with the extrusion 121 being arranged on extrusion die 12.
In the present embodiment, runner 735 supplemented by about 734 two sides of sprue, secondary flow road 735 is tilted to 734 direction of sprue
And meet at and converge runner 736, three layers of raw material of upper, middle and lower are complex as whole in converging runner 736 and squeeze out from extrusion 121
Molding, the one end of distributor 73 far from extrusion device is rectangle extrusion 121.Sprue 734 and secondary flow road 735 are close to shunting
Pump it is open at one end smaller, become larger along close to the direction for converging runner 736, until width and converging 736 width one of runner
It causes, can be easier that Flow of Goods and Materials is unfolded in this way, form the size of extrusion, material is also prevented from caking.
Further, 121 shape of extrusion is Duckbill type, and the thickness of extrusion 121 gradually becomes smaller along direction is squeezed out.
In the present embodiment, 12 shape of extrusion die is Duckbill type, and the extrusion 121 that end is arranged in is flat strip
Shape, by the extruding and shear action of 11 inner screw 14 of barrel, well-mixed material is in converging runner 736 by curvilinear motion
Switch to linear motion and moved at extrusion 121, since space is gradually reduced in extrusion die 12, material again squeeze by stress
Densification is real, and from 121 extrusion molding of extrusion, shape is and the consistent continuous plate of extrusion 121.
Further, the both ends of 734 through-thickness of sprue are provided with pressure roller 737, the axis of pressure roller 737 and extrusion side
To vertical.
In the present embodiment, sprue 734 is provided with pressure roller 737 close to converging at runner 736, and pressure roller 737 is arranged in mainstream
The two sides up and down in road 734, the extending direction of pressure roller 737 is vertical with direction is squeezed out, and pressure roller 737 subtracts for being tentatively compacted major ingredient
Few major ingredient and auxiliary material converge rear major ingredient since deformation squeezes the auxiliary material of upper and lower level, lead to thick rim among molding all backplates middle layer
Thin, the situation of upper and lower level intermediate thin both sides thickness improves the quality of product.
Further, it is provided with water cooling plant 74 outside barrel 11, water cooling plant 74 includes close to distributor 73, water cooling plant 74
The circulating line 741 being circumferentially arranged around barrel 11 is provided with water inlet 742 and water outlet 743, ring pipe on circulating line 741
Diaphragm plate 744 and annular partition 745 are provided in road 741,744 face of diaphragm plate is vertical with 741 circumferential line of circulating line, annular
745 extending direction of partition is identical as 741 circumferential direction of circulating line, and 745 one end of annular partition is connect with diaphragm plate 744, the other end with
Jagged 746 are arranged between diaphragm plate 744, circulating line 741 is divided into multiple interconnected water channels by annular partition 745,
Water inlet 742 and water outlet 743 are separately positioned on the two sides of diaphragm plate 744.
In the present embodiment, water cooling plant 74 is arranged in extrusion device at output end 72, and water cooling plant 74 is closed
Ring sleeve is set on 1 barrel 11 of extrusion device, and water cooling, which fills 74, sets and be internally provided with the diaphragm plate parallel with 11 axis of barrel
744 and the annular partition 745 vertical with 11 axis of barrel, diaphragm plate 744 and annular partition 745 with water cooling plant 74
Upper and lower inner wall seamless connection, annular partition 745 altogether there are two, and one end is connect with diaphragm plate 744, the other end and diaphragm plate 744
There is certain interval, two annular partitions 745 are formed by three water annulus and are connected to by the clearance gaps 746.In diaphragm plate
744 two sides are respectively arranged with water inlet 742 and water outlet 743, and water inlet 742 is connected to first annular water channel, water outlet 743
It is connected to third water annulus.Filter device 747 is provided at water inlet 742 for filtering the scale in cooling water.
Cold water enters from water inlet 742, and flows along three water annulus, flows out from water outlet 743, is set by inside
The diaphragm plate 744 and annular partition 745 set, can be such that cold water sufficiently flows in cooling device and take away heat, improve cold
But efficiency.
Further, filtering purifier 747 is provided on water inlet 742.
In the present embodiment, northern water quality is harder, and there are many calcium ions and magnesium ions, and this cold water cooling is used for a long time and is easy to lead
Water-pipe blockage is caused, the scale for being attached to inner wall can also reduce by 74 efficiency of water cooling plant, therefore increasing filtering purifier 747 can be with
Scale is effectively reduced, the service life of cooling device is extended.
Further, it is provided with feed inlet 13 on barrel 11, feed inlet 13 is back taper, axially disposed in barrel 11 to have spiral shell
Bar 14, one end of screw rod 14 pass through 11 one end of barrel and connect with rotating electric machine 15, and the other end passes sequentially through bearing 16, connecting rod
17 are connected with the inner circumferential wall of barrel 11, and blade 141 is fixedly installed on screw rod 14.
In the present embodiment, feed inlet 13 is the taper stood upside down, and the vertex of a cone is contacted with barrel 11, and axis and 11 axis of barrel hang down
Directly, feed inlet 13 is connected with 11 inner cavity of barrel.Axis is provided with screw rod 14 in barrel 11, the threaded outer edge on screw rod 14 away from
About 10-20 centimetres from 11 inner wall of barrel, 14 screw thread of screw rod is fixedly installed multiple small-sized blades 141, screw rod close to edge
14 one end pass through 11 sealed end of barrel and connect with rotating device, and the other end passes sequentially through in bearing 16, connecting rod 161 and barrel 11
Wall connection, rotating device include the speed reducer 18 connecting with 14 end of screw rod, and speed reducer 18 passes through belt 19 and rotating electric machine 15
Connection.
Mixed material enters in barrel 11 from feed inlet 13, and the barrel 11 of extruder is generally divided into five sections, there is heating melting
On the one hand the effect of plasticizing sufficiently mixes material by 14 rotary squeezing of screw rod, on the one hand to material pressure and shearing force and to
Output end 72 conveys.14 one end of screw rod is supported by sealed end, and the other end is supported by connecting rod 161, since screw rod 14 does not stop to rotate,
Therefore bearing 16 is set in 14 end periphery of screw rod, bearing 16 is fixed together with connecting rod 161, and screw rod 14 can be in bearing 16
It inside rotates freely, by support force, when only one end is supported, 14 rotation speed of screw rod is fast, torque is big at screw rod 14 both ends, freely
The case where end flexure is sagging, and rotation is easy to produce shaking, screw rod 14 is bent, the support of bilateral stress effectively reduce the rotation of screw rod 14
Turn unstable problem, extends the service life of screw rod 14.Circular screw thread has hard sharp erosion-resisting on screw rod 14
Characteristic has been fixedly installed multiple small blades 141 on screw thread, can contact with the rotation of screw rod 14 with material, increases stirring effect
Rate is sufficiently mixed material, obtains bigger shearing force, and 14 screw thread of screw rod exists apart from about 10-20 centimetres of 11 wall of barrel, the two
Certain spacing can prevent the friction of screw thread and blade 141 and barrel 11, reduce equipment operational heat, make the temperature in barrel 11
Spend it is relatively easier to control, spacing simultaneously be not that screw rod 14 can be made to play one's part to the full very much, the diameter of thread is bigger, to stirring and propulsion
The stronger power that material just generates.
Further, three-roll press-polishing device 3 includes the bracket 31 that 1 side of extrusion device is arranged in, and is provided with axis on bracket 31
Upper roller 32, middle roller 33 and the bottom roll 34 that line is parallel to each other, upper roller 32, middle roller 33 and 34 axis of bottom roll are in
On same plane, the direction of rotation of middle roller 33 and upper roller 32, middle roller 33 and bottom roll 34 is on the contrary, middle roller 33 and lower rolling
Be provided with the first gap 35 between cylinder 34, be provided with the second gap 36 between middle roller 33 and upper roller 32, extrusion 121 close to
First gap 35.
In the present embodiment, three-roll press-polishing device 3 includes three rollers that axis is disposed on the same plane, shape between roller
At the first gap 35 and the second gap 36, decorative pattern i.e. pass groove 37 is provided on middle roller 33.Pass through 73 extrusion of distributor
121 all backplate materials be involved in the first gap 35 between middle roller 33 and bottom roll 34 and therefrom roller 33 and upper roller 32 it
Between the second gap 36 in be pierced by, what is contacted with middle roller 33 is squeezed out decorative pattern on one side, i.e., upper epidermis is small by raised 64, then wears
The second gap 36 is crossed to change direction of transfer.
Further, equally distributed pass groove 37 is provided on middle roller 33.
In the present embodiment, since all backplate materials being just extruded are also uncolled, connect with the pass groove 37 on middle roller 33
When touching, deformation can be generated due to the power of extruding, form small raised 64 decorative pattern on surface.
Further, 35 height of the first gap is less than 121 height of extrusion.
In the present embodiment, 35 height of the first gap thickness more freshly extruded than plate is smaller, can make in this way plate sufficiently with
Pass groove 37 on middle roller 33 contacts and is squeezed out decorative pattern.
Further, heating device 38 is provided with inside upper roller 32, middle roller 33 and bottom roll 34.
In the present embodiment, there is heating device 38, roll surface temperature is too low, steel slab surface in the roller of three-roll press-polishing device 3
Rapid cooling hardening, cannot allow slab to be tightly attached on roll surface, so as to cause product surface tarnish, transparency decline, therefore need
Roller is heated, roller temperature should be higher than that 100 DEG C, generally using the hot heating method of oil.
Further, tensioning equipment 4 includes the stretching rack 41 that 3 side of three-roll press-polishing device is arranged in, and is arranged on stretching rack 41
There are upper tensioning roller 42 and lower tensioning roller 43, is formed between upper tensioning roller 42 and lower tensioning roller 43 for being involved in all shields
The tensioning gap 44 of plate.
In the present embodiment, the axis of upper tensioning roller 42 and lower tensioning roller 43 is parallel to each other, and two rollers are arranged up and down, on
Tensioning gap 44 and plate between tensioning roller 42 and lower tensioning roller 43 is almost the same, and plate is involved in tensioning gap 44, can
Tensioning simultaneously draws plate.If plate does not have tension force that can be deformed, if hauling speed conveys product than three-roll press-polishing device 3
Excessive velocities, then slab products tension expansion force also can be excessive, and product can be made to generate internal stress.
Further, cooling device 5 includes the large water tank 51 that 44 side of tensioning gap is arranged in, and is provided in large water tank 51
Cambered way 52,52 top of cambered way is identical as 121 height of extrusion, and small water tank 53, small water are provided with above large water tank 51
53 bottom of case is provided with aperture 54.
In the present embodiment, the type of cooling is water cooling, and cooling device 5 includes large water tank 51, is provided with arc in large water tank 51
Slideway 52,52 one end of cambered way are provided with small water tank 53 above extrusion 121, cambered way 52.The plate being extruded with
Glide along cambered way 52, cambered way 52 do not had by the cold water in large water tank 51, the plate transmitted along cambered way 52
Therefore it is cooled to cross water, meanwhile, constantly there is water to flow out in the small water tank 53 above large water tank 51 from the aperture 54 of bottom plate,
The upper surface of extrusion board is flowed to, the collective effect of upper lower header is quickly cooled down plate, and since slideway is arc, plate can be smooth
Arcuately slideway 52 to next equipment conveying, i.e., exported from the other end of cambered way 52, then cut.
Further, cutting means 2 include that the platform 21 of 5 side of cooling device is arranged in, platform 21 along direction of transfer two
End is provided perpendicular to the first sliding roller 22 of direction of transfer, is provided with dismountable V-type groove 23, V-type groove in the middle part of platform 21
23 is parallel with the first sliding 22 axis of roller, cutter 24 moving up and down is provided with above platform 21, cutter 24 is arranged in V-type groove
Right above 23.
In the present embodiment, cutting means 2 are used to for continuous rectangular slab being cut into suitable size, and cutting means 2 include one
A platform 21, platform 21 are provided with the first sliding roller 22 along the both ends of plate direction of transfer, and the setting of the first sliding roller 22 can make
Extrusion board more smoothly enters 24 lower section of cutter.Cutter 24 moving up and down is provided on platform 21, cutter 24 is corresponding
Equipment controls the frequency cut, so that every piece of extrusion board size cut is consistent.It is recessed that the underface of cutter 24 is provided with V-type
Slot 23, the first sliding roller 22 and 23 extending direction of V-type groove are vertical with extrusion board direction of transfer, and the V-type groove 23 is dismountable
It is arranged on platform 21, V-type groove 23 matches with 24 size of cutter to be arranged the V-type groove 23 and will can squeeze to greatest extent
Ejecting plate cutting, and be used for a long time easily make V-type groove 23 wear, be set as removable and replaceable V type groove 23 can extend it is whole
The service life of a cutting means 2.
Further, the two sides of V-type groove 23 are provided with card slot 25,25 extending direction of card slot with all backplate direction of transfers
It is identical.
In the present embodiment, the two sides on platform 21 along plate direction of transfer are provided with card slot, are limited and are passed through by card slot
Cooling plate, by the direction of transfer of plate cut and position.
Further, 26 side of the second card slot is provided with hobboing cutter 27, and hobboing cutter 27 includes that one end is fixed on the hobboing cutter on platform 21
Frame 271,271 other end of hob head passes sequentially through roller bearing 272 and bearing 273 is connect with roll blade 274, sets below roll blade 274
It is equipped with arc groove 211, arc groove 211 is arranged on platform 21, and 274 part of roll blade is arranged in arc groove 211.
In the present embodiment, hobboing cutter 27 is provided between the second card slot 26 and cutter 24, the two of platform 21 are arranged in hobboing cutter 27
Side, hobboing cutter 27 are used to cut the edge of plate, and general edge can all have a little flaws, such as expect ununiform situation, therefore need
Cut away edge.Hobboing cutter 27 includes hob head 271, is provided with roll blade 274, roll blade 274 and plate on hob head 271
Conveying direction is consistent, and roll blade 274 is connect by roller bearing 272 and bearing 273 with hob head 271.A part of roll blade 274
Fall into the arc groove 211 on platform, a part on platform 21, such setting can make roll blade 274 sufficiently with
Web contact, faster by plate cutting.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of coil of strip week backplate, which is characterized in that including extexine (61), middle layer (62) and endosexine (63), the appearance
It is provided on layer equally distributed small raised (64), the extexine (61) and endosexine (63) are polyethylene layer, middle layer (62)
For layer of polyurethane.
2. a kind of coil of strip week backplate production line, which is characterized in that including set gradually extrusion device (1), for extruding all shields
Three-roll press-polishing device (3), tensioning equipment (4), cooling device (5) and the cutting means (2) of small raised (64) on plate, institute
Stating extrusion device (1) includes two material for being respectively used to squeeze out the endosexine (63), extexine (61) and the middle layer (62)
Cylinder (11), described barrel (11) one end are closed end (71), and the other end is output end (72), and two output ends (72) are mutual
It is close and connect with distributor (73)；
The distributor (73) includes the major ingredient entrance (731) and auxiliary material entrance connecting respectively with two output ends (72)
(732), the major ingredient entrance (731) connect with split flow pump (733) with the auxiliary material entrance (732), the split flow pump (733)
The other end is connect by sprue (734) and secondary flow road (735) with runner (736) is converged；
The sprue (734) and it is described converge be provided between runner (736) pressure roller (737), the axis of the pressure roller (737)
It is vertical with direction is squeezed out.
3. a kind of coil of strip week backplate production line according to claim 2, which is characterized in that the sprue (734) is horizontal
Setting, the secondary flow road (735) are arranged in the sprue (734) symmetrical two sides, and described runner (736) thickness that converges is greater than
Sprue (734) thickness, the end for converging runner (736) are connect with extrusion (121), the extrusion (121)
Shape is Duckbill type, and the thickness of the extrusion (121) gradually becomes smaller along direction is squeezed out.
4. a kind of coil of strip week backplate production line according to claim 2, which is characterized in that the barrel (11) is outside close to institute
It states and is provided at distributor (73) water cooling plant (74), the water cooling plant (74) includes being wound around the ring of the barrel (11) outside
Shape pipeline (741) is provided with water inlet (742) and water outlet (743), the circulating line on the circulating line (741)
(741) it is provided with diaphragm plate (744) in along axis, is arranged at intervals with annular partition on diaphragm plate (744) extending direction
(745), it is arranged jagged (746) on the annular partition (745), it is described on the annular partition (745) of adjacent two
Notch (746) is separately positioned on the diaphragm plate (744) two sides, and the annular partition (745) divides the circulating line (741)
Multiple interconnected water channels are divided into, filtering purifier (747) is provided on the water inlet (742).
5. a kind of coil of strip week backplate production line according to claim 2, which is characterized in that be provided on the barrel (11)
Feed inlet (13), the feed inlet (13) is back taper, axially disposed in the barrel (11) to have screw rod (14), the screw rod
(14) one end passes through the barrel (11) one end and connect with rotating electric machine (15), and the other end passes sequentially through bearing (16), connects
Extension bar (161) is connected with the inner circumferential wall of the barrel (11).
6. a kind of coil of strip week backplate production line according to claim 3, which is characterized in that the three-roll press-polishing device (3)
Be provided with including the bracket (31) in the extrusion device (1) side is arranged, on the bracket (31) axis be parallel to each other it is upper
Roller (32), middle roller (33) and bottom roll (34), the upper roller (32), the middle roller (33) and the bottom roll (34)
Axis is in the same plane, is provided between the middle roller (33) and the bottom roll (34) the first gap (35), described
It is provided with the second gap (36) between middle roller (33) and the upper roller (32), the extrusion (121) is close to described first
Gap (35), first gap (35) are highly less than the extrusion (121) height, are provided on the middle roller (33)
The pass groove (37) of even distribution.
7. a kind of coil of strip week backplate production line according to claim 6, which is characterized in that the tensioning equipment (4) includes
Stretching rack (41) in the three-roll press-polishing device (3) side is set, is provided with tensioning roller on the stretching rack (41)
(42) and lower tensioning roller (43) it, is formed between the upper tensioning roller (42) and the lower tensioning roller (43) for being involved in week
The tensioning gap (44) of backplate.
8. a kind of coil of strip week backplate production line according to claim 7, which is characterized in that the cooling device (5) includes
Large water tank (51) in tensioning gap (44) side is set, is provided with cambered way (52), institute in the large water tank (51)
It is identical as the extrusion (121) height to state cambered way (52) top, is provided with small water tank above the large water tank (51)
(53), small water tank (53) bottom is provided with aperture (54).
9. a kind of coil of strip week backplate production line according to claim 8, which is characterized in that the cutting means (2) include
Platform (21) in the cooling device (5) side is set, and the platform (21) is provided perpendicular to along the both ends of direction of transfer
The first of direction of transfer is sliding roller (22), is provided with dismountable V-type groove (23), the V-type groove in the middle part of the platform (21)
(23) parallel with the described first sliding roller (22) axis, cutter moving up and down (24), institute are provided with above the platform (21)
Cutter (24) setting is stated right above the V-type groove (23).
10. a kind of coil of strip week backplate production line according to claim 9, which is characterized in that the two of the V-type groove (23)
Side is provided with card slot (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810794689.8A CN109093968B (en) | 2018-07-19 | 2018-07-19 | Steel coil peripheral guard plate production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810794689.8A CN109093968B (en) | 2018-07-19 | 2018-07-19 | Steel coil peripheral guard plate production line |
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| Publication Number | Publication Date |
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| CN109093968A true CN109093968A (en) | 2018-12-28 |
| CN109093968B CN109093968B (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810794689.8A Active CN109093968B (en) | 2018-07-19 | 2018-07-19 | Steel coil peripheral guard plate production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116277856A (en) * | 2023-05-18 | 2023-06-23 | 河北金威新型建筑材料有限公司 | Rubber extrusion equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2424151Y (en) * | 2000-06-02 | 2001-03-21 | 上海宝尔德工业橡塑发展有限公司 | Protective sleeve for packing steel roll |
| CN1807063A (en) * | 2006-02-13 | 2006-07-26 | 汕头市金兴机械有限公司 | Co-extrusion sheet material extruding equipment |
| CN201183341Y (en) * | 2008-01-17 | 2009-01-21 | 武汉市东湖包装材料有限责任公司 | Low foam reinforced composite plastic plate |
| CN202911120U (en) * | 2012-04-26 | 2013-05-01 | 廖招军 | Sheet mould head |
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2018
- 2018-07-19 CN CN201810794689.8A patent/CN109093968B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2424151Y (en) * | 2000-06-02 | 2001-03-21 | 上海宝尔德工业橡塑发展有限公司 | Protective sleeve for packing steel roll |
| CN1807063A (en) * | 2006-02-13 | 2006-07-26 | 汕头市金兴机械有限公司 | Co-extrusion sheet material extruding equipment |
| CN201183341Y (en) * | 2008-01-17 | 2009-01-21 | 武汉市东湖包装材料有限责任公司 | Low foam reinforced composite plastic plate |
| CN202911120U (en) * | 2012-04-26 | 2013-05-01 | 廖招军 | Sheet mould head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116277856A (en) * | 2023-05-18 | 2023-06-23 | 河北金威新型建筑材料有限公司 | Rubber extrusion equipment |
| CN116277856B (en) * | 2023-05-18 | 2023-07-21 | 河北金威新型建筑材料有限公司 | Rubber extrusion equipment |
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| CN109093968B (en) | 2021-04-23 |
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