CN117863433B - Polyurethane foaming continuous production line - Google Patents
Polyurethane foaming continuous production line Download PDFInfo
- Publication number
- CN117863433B CN117863433B CN202310371478.4A CN202310371478A CN117863433B CN 117863433 B CN117863433 B CN 117863433B CN 202310371478 A CN202310371478 A CN 202310371478A CN 117863433 B CN117863433 B CN 117863433B
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- stirring
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- 238000005187 foaming Methods 0.000 title claims abstract description 41
- 239000004814 polyurethane Substances 0.000 title claims abstract description 35
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 34
- 238000010924 continuous production Methods 0.000 title claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 76
- 238000007667 floating Methods 0.000 claims description 41
- 239000002655 kraft paper Substances 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 14
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 8
- 239000011496 polyurethane foam Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920006255 plastic film Polymers 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000036316 preload Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 16
- 239000002994 raw material Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 239000000109 continuous material Substances 0.000 description 7
- 239000011344 liquid material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/30—Expanding the moulding material between endless belts or rollers
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
-
- 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
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The application discloses a polyurethane foaming continuous production line, which comprises a main frame, a stirring device, a material flow device and a plurality of heaters, wherein the foaming device comprises a foaming cavity which is transversely arranged in the main frame; the lower conveying belt is arranged at the bottom of the foaming cavity; the polyurethane foaming device comprises a foaming cavity, a pair of side conveying belts, a stirring device, a material flow device, a stirring device and a stirring device, wherein the side conveying belts are symmetrically arranged on the front side inner wall and the rear side inner wall of the foaming cavity, the stirring device and the material flow device are connected with each other and used for pouring uniform polyurethane liquid to one end of the lower conveying belt.
Description
Technical Field
The invention relates to a polyurethane foaming continuous production line.
Background
The polyurethane foaming machine is a special device for pouring and foaming polyurethane foam plastics, so long as the performance indexes of raw materials of polyurethane components meet the formula requirement, uniform and qualified foam products can be produced through the device, polyether polyol and polyisocyanate are foamed by chemical reaction in the presence of a plurality of chemical additives such as foaming agents, catalysts, emulsifying agents and the like to prepare the foam plastics, the polyurethane foaming machine can be used for processing automotive interiors, heat-insulating wall spraying, heat-insulating pipeline manufacturing and sponges of bicycles and motorcycles, and A, B raw liquid of the two components is accurately proportioned and stirred at high speed, A, B raw liquid of the two components is respectively conveyed to a stirring head by two high-precision metering pumps, and the raw liquid is uniformly sprayed out through high-speed strong stirring to form required products, and the polyurethane foaming device generally comprises the following systems: the system comprises a material flow system, a metering system, a gas circuit system and a heating system;
The example is chinese patent of CN206678272U, a polyurethane foaming material forming device, it includes PU mixing drum, mould case, capper, no. two heaters, electronic pneumatic cylinder, agitating unit, no. one heater, no. two discharging pipes, remove die block, mould case base, no. two heaters, air-cooler, air-blower, purifying box, when it carries out foaming operation, need press with the mould case cooperation through capper and can carry out the foaming operation of polyurethane, then the rethread removes the die block and carries out the top to push in order to take off fashioned polyurethane product, the defect that exists is:
1. foaming operation which cannot be performed continuously;
2. After the operation is finished, the mould box, the movable bottom mould and the capping machine are required to be cleaned, which is very troublesome;
3. polyurethane foam products of a large length cannot be produced.
Disclosure of Invention
The invention aims to solve one of the technical problems existing in the prior art.
The application provides a polyurethane foaming continuous production line, which comprises a main frame, a stirring device, a material flow device and a plurality of heaters, and comprises the following components:
the foaming cavity is transversely arranged in the main frame;
the lower conveying belt is arranged at the bottom of the foaming cavity;
the side conveying belts are symmetrically arranged on the front side inner wall and the rear side inner wall of the foaming cavity;
Wherein, agitating unit and material flow device interconnect for down conveyer belt one end pour even polyurethane liquid.
Further comprises:
the auxiliary frame is fixedly arranged at one end of the main frame;
The kraft paper roll is rotatably arranged on the auxiliary frame;
A plurality of guide rollers rotatably mounted on the sub-frame;
wherein, agitating unit installs at sub-frame top, and plastic film is all laid on each side conveyer belt surface.
Further comprises:
the strut is fixedly arranged on the auxiliary frame through a cross beam and is positioned above the kraft paper roll;
A plurality of adhesive tape rolls which are rotatably arranged on the supporting rod.
The material flow device comprises:
the support plates are symmetrically and fixedly arranged on the front side and the rear side of one end of the main frame;
the sliding rail is fixedly arranged between the pair of support plates;
the sliding frame can be transversely and slidably arranged on the sliding rail through a transverse moving driving mechanism;
A diverting shell fixedly mounted on the carriage;
a plurality of spreading heads which are arranged on the diversion shell, and the outlets of which face the downward conveying belt;
Wherein, the inner cavity of the split-flow shell is communicated with the stirring device through a hose.
The stirring device comprises:
The stirrer bin is arranged on the auxiliary frame, and the top of the stirrer bin is connected with a plurality of feeding pipes;
the discharging pipe is arranged at the bottom of the mixer bin and is communicated with the end, away from the split shell, of the hose;
the main ring groove is arranged around the inner wall of the mixer bin, the main ring groove is used as a boundary, the upper part of the inner cavity of the mixer bin is a mixing cavity, and the lower part of the inner cavity of the mixer bin is a discharging cavity;
the separating plate group is arranged in the main ring groove and comprises an upper plate and a lower plate which can be controlled to be separated and folded by a separating driving unit;
the opening and closing flow channel comprises an upper notch arranged on the upper plate in a staggered manner and a lower notch arranged on the lower plate;
a plurality of stirring blades are arranged at the top of the upper plate through a ring cover;
and the driving device is used for driving the separation plate group, the ring cover and each stirring blade to circumferentially rotate along the main ring groove.
Further comprises:
The guide ring groove is arranged at the top of the main ring groove and comprises a main ring channel and a plurality of U-shaped auxiliary ring channels which are mutually communicated;
A plurality of floating blocking pieces which can be floatably arranged in the main loop and are respectively positioned at the clockwise end of each auxiliary loop, one end of each floating blocking piece is smoothly transited with the inner wall of the auxiliary loop, and the other end of each floating blocking piece is provided with a guide inclined plane (1005);
The elastic supporting units are used for jacking the lower plate and are arranged between the bottom surface of the lower plate and the main ring groove;
A plurality of linkage sliding blocks which are arranged on the peripheral wall of the upper plate at intervals and can slide in the guide ring groove;
The support ring is rotatably matched with the lower plate through the upper annular groove, and the bottom surface of the support ring is connected with each elastic support unit.
The elastic support unit includes:
the bottom of the piston sleeve is arranged at the bottom of the main ring groove through a lower groove, and the top end of the piston sleeve is open;
The upper end of the floating column is fixedly connected with the bottom surface of the supporting ring, and a preload spring is arranged between the bottom end of the floating column and the piston sleeve.
The driving device includes:
The notch is arranged at the top of the mixer bin;
the top box is arranged at the top of the mixer bin through a bolt and is used for blocking the notch;
The linkage shaft is fixedly arranged on the top surface of the upper plate, concentric with the upper plate, and the top end of the linkage shaft extends out of the notch and penetrates into the inner cavity of the top box;
the linkage groove penetrates through the linkage shaft up and down, and the cross section of the linkage groove is polygonal;
The driven shaft is arranged at the top of the top box through a bearing and is connected with a forward and reverse rotation motor through belt transmission;
the transmission block is installed in the linkage groove in a lifting and sliding manner and is matched with the linkage groove in a transmission manner.
Further comprises:
The sliding grooves are arranged on the side wall of the ring cover at intervals along the circumferential direction and are used for enabling each stirring blade to be in sliding fit with the ring cover;
The circular plates are respectively and fixedly arranged at the bottom of the outer wall and the upper part of the outer wall of the linkage shaft;
the transmission arc grooves are respectively arranged on the circular plates at intervals along the circumferential direction;
A plurality of transmission convex blocks which are respectively and fixedly arranged at the top and the bottom of the inner end of each stirring blade;
A plurality of rotatable blades rotatably mounted at the outer ends of the stirring blades;
The transmission parts are used for controlling adjacent rotatable blades to rotate to incline or vertical according to the fact that each stirring blade stretches out of or contracts into the inner cavity of the annular cover;
The transmission arc groove comprises an inclined guide groove with the inner end extending towards the center of the circular plate in an arc shape along the anticlockwise direction, and an end groove connected with the inner end of the inclined guide groove and concentric with the circular plate.
The transmission member includes:
A transmission cavity arranged in the stirring blade;
the connecting notch is arranged at the inner end of the stirring blade and is communicated with the transmission cavity;
The transmission struts are rotatably arranged at the outer ends of the stirring blades through corresponding transmission round holes, and the outer ends are fixedly connected with the end faces of the corresponding rotatable blades;
The linkage plate comprises a transmission part which is slidably arranged in the transmission cavity, and a connecting part which penetrates out of the connecting notch and is in rotatable fit with the outer end of the linkage shaft through a ring sleeve;
The transmission slots are arranged on the end wall of the linkage plate, facing the transmission round hole, at intervals;
The spiral grooves are respectively arranged in the transmission notch and extend along the axis of the transmission notch in a spiral manner;
And the transmission sliding blocks are respectively and fixedly arranged on the peripheral wall of the inner end of each transmission support column and are used for being matched with the corresponding spiral grooves for transmission.
The advantageous effects of the invention are detailed in the examples.
Drawings
FIG. 1 is a schematic diagram showing a specific structure of a polyurethane foaming continuous production line in an embodiment of the application;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1;
FIG. 3 is a schematic diagram showing a specific structure of a stirring device according to an embodiment of the present application;
FIG. 4 is a schematic view showing a cross-sectional structure in the B-B direction according to an embodiment of the present application;
FIG. 5 is a schematic view of the structures on the inner wall of the mixer housing (the feed pipe 202 is not shown in this figure) according to an embodiment of the application;
FIG. 6 is a schematic view of a specific construction of a floating barrier according to the present application;
FIG. 7 is a schematic diagram of a spiral groove structure according to an embodiment of the present application.
Reference numerals
101-Main frame, 102-heater, 103-foaming chamber, 104-lower conveyor, 105-side conveyor, 106-sub-frame, 107-kraft roll, 108-guide roller, 109-strut, 110-tape roll, 2-agitation device, 201-agitator bin, 202-feed tube, 203-discharge tube, 204-main ring groove, 205-mixing chamber, 206-discharge chamber, 207-agitation blade, 208-guide ring groove, 208 a-main ring channel, 208 b-sub-ring channel, 209-linkage slider, 210-support ring, 211-upper ring groove, 3-material flow device, 301-support plate, 302-slide rail, 303-slide frame, 304-traverse drive mechanism, 305-split shell, 306-laying head 4-separator plate pack, 401-upper plate, 402-lower plate, 5-elastic support unit, 501-piston sleeve, 502-lower groove, 503-floating column, 504-preload spring, 6-separator drive unit, 601-linkage column, 602-electric push rod, 7-open-close flow passage, 701-upper slot, 702-lower slot, 8-drive device, 801-slot, 802-top case, 803-linkage shaft, 804-linkage groove, 805-driven shaft, 806-belt, 807-forward and reverse motor, 808-drive block, 809-slide groove, 810-ring cover, 811-circular plate, 812-drive arc groove, 812 a-inclined guide groove, 812 b-end groove, 813-drive lug, 814-rotatable vane plate, 9-drive components, 901-drive chambers, 902-connection slots, 903-drive struts, 904-drive round holes, 905-linkage plates, 905 a-drive sections, 905 b-connection sections, 906-drive slots, 907-helical slots, 908-drive sliders, 10-floating stops, 1001-floating inner slots, 1002-floating blocks, 1003-restraining ledges, 1004-floating support springs, 1005-guide ramps, 1006-floating slots.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The server provided by the embodiment of the application is described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, an embodiment of the present application provides a polyurethane foaming continuous production line, which includes a main frame 101, a stirring device 2, a material flow device 3, and a plurality of heaters 102, and further includes: a foaming chamber 103 transversely disposed within the main frame 101; a lower conveyor 104 disposed at the bottom of the foaming chamber 103; a pair of side conveyor belts 105 symmetrically arranged on the front side inner wall and the rear side inner wall of the foaming chamber 103, and a stirring device 2 and a material flow device 3 connected with each other for pouring uniform polyurethane liquid to one end of the lower conveyor belt 104.
Further, the auxiliary frame 106 is fixedly arranged at one end of the main frame 101; a kraft paper roll 107 rotatably mounted on the sub-frame 106; the stirring device 2 is arranged at the top of the auxiliary frame 106, and plastic films are paved on the surfaces of the conveying belts 105 at all sides.
Further, a strut 109 is fixedly mounted on the sub-frame 106 by a cross beam and is positioned above the kraft paper roll 107; a plurality of rolls 110 of adhesive tape are rotatably mounted on the strut 109.
Further, the material flow device 3 comprises a pair of support plates 301 symmetrically and fixedly installed at the front side and the rear side of one end of the main frame 101; a slide rail 302 fixedly installed between the pair of support plates 301; a carriage 303 mounted on the slide rail 302 so as to be capable of traversing and sliding by a traversing driving mechanism 304; a split case 305 fixedly mounted on the carriage 303; and a plurality of paving heads 306 are arranged on the distributing shell 305, the outlet faces the lower conveying belt 104, and the inner cavity of the distributing shell 305 is communicated with the stirring device 2 through a hose.
In this embodiment of the present application, since the above-mentioned structure is adopted, kraft paper is extended from kraft paper roll 107, one end bottom surface is fixed on the upper surface of lower conveyer belt 104 by hot melt adhesive, multiple raw materials are mixed in stirring device 2, the obtained polyurethane liquid enters into diverting shell 305 through hose, flows out from outlets of several paving heads 306, is paved on kraft paper surface on upper surface of lower conveyer belt 104, lower conveyer belt 104 runs clockwise, at the same time, sliding frame 303 is driven by traversing driving mechanism 304 (which may be cylinder, hydraulic cylinder or electric push rod 602), slides reciprocally along sliding rail 302, so that polyurethane liquid is uniformly paved on kraft paper and conveyed to the other end of foaming cavity 103, in this process, each heater 102 is electrified and heated, so that polyurethane liquid begins foaming in the moving process, and expands into polyurethane foaming, front and rear sides are contacted with surfaces of corresponding side conveyer belts 105, plastic films paved on surfaces of side conveyer belts 105 contact with polyurethane foaming sides, and as lower conveyer belt 104 and side conveyer belt 105 run clockwise, polyurethane foaming finished product foaming cavity 103 is conveyed to the other end of foaming cavity 103, and polyurethane foaming cavity 103 continuously moves out;
due to the arrangement of the kraft paper and the plastic films, polyurethane foam cannot adhere to the surfaces of the lower conveying belt 104 and the conveying belts 105 at each side, and after the operation is finished, the kraft paper is only required to be torn off from the bottom of the finished polyurethane foam and the plastic films on the surfaces of the conveying belts 105 at each side are replaced, so that the workload generated by cleaning the lower conveying belt 104 and the conveying belts 105 at each side is reduced, and the labor intensity is reduced;
along with the operation of lower conveyer belt 104, kraft paper is constantly released from kraft paper 107, and the sticky tape is also released from adhesive tape roll 110 to paste the lower surface at kraft paper, with the tensile strength that improves kraft paper, avoid the kraft paper to take place to fracture and lead to polyurethane liquid material to be stained with the surface of lower conveyer belt 104, adhesive tape roll 110 can set up a plurality of, makes kraft paper lower surface paste many sticky tapes, guarantees that kraft paper everywhere has sufficient tensile strength.
Example 2:
As shown in fig. 3, in this embodiment, in addition to including the structural features of the previous embodiments, the stirring device 2 includes a stirring mill bin 201, which is mounted on the sub-frame 106, and has a plurality of feeding pipes 202 connected to the top thereof; a discharge pipe 203 which is installed at the bottom of the mixer housing 201 and communicates with the end of the hose away from the split case 305; the main ring groove 204 is arranged around the inner wall of the mixer bin 201, the main ring groove 204 is used as a boundary, the upper part of the inner cavity of the mixer bin 201 is provided with a mixing cavity 205, and the lower part is provided with a discharging cavity 206; a separation plate group 4 installed in the main ring groove 204, including an upper plate 401 and a lower plate 402 which can be controlled to be separated and folded by the separation driving unit 6; an opening and closing flow passage 7 including an upper notch 701 provided in the upper plate 401 and a lower notch 702 provided in the lower plate 402 in a staggered manner; a plurality of stirring blades 207 mounted on top of the upper plate 401 by a ring cover 810; the driving device 8 is used for driving the separation plate set 4, the ring cover 810 and each stirring vane 207 to rotate along the circumferential direction of the main ring groove 204.
In this embodiment of the present application, because the above structure is adopted, various raw materials enter the mixing cavity 205 of the mixer bin 201 through each liquid discharge pipe, at this time, the upper plate 401 and the lower plate 402 are closed, the lower notch 702 and the upper notch 701 are staggered with each other, so that the raw materials are not communicated, the raw materials are blocked in the mixing cavity 205, then the driving device 8 operates, the separation plate set 4, the ring cover 810 and each stirring blade 207 are driven to rotate, various raw materials in the mixing cavity 205 are stirred, after the polyurethane liquid materials are mixed to obtain the polyurethane liquid materials, the separation driving unit 6 operates, the upper plate 401 and the lower plate 402 are separated, a space appears between the raw materials, the polyurethane liquid materials enter the discharge cavity 206 after passing through the gap between the upper notch 701, the upper plate 401 and the lower notch 702, after the polyurethane liquid materials in the mixing cavity 205 completely enter the discharge cavity 206, the separation driving unit 6 operates, so that the space between the upper plate 401 and the lower plate 402 is eliminated, at this time, the connection between the mixing cavity 205 and the discharge cavity 206 is cut off, the various raw materials enter the corresponding stirring blade 205 and the respective stirring blade set 205 to be driven by the respective stirring blade set 8, so that the continuous flow rate of the polyurethane liquid materials can be more smoothly discharged from the mixing cavity 203 can be realized, and the continuous mixing pipe can be further mixed by the continuous material can be realized, and the continuous material can be discharged by the stirring pipe 203 and the continuous material can be mixed by the stirring and the continuous material, and the continuous material flow can be discharged by the stirring pipe 203, and the continuous material flow can be mixed by the stirring pipe and the continuous material and the mixing pipe 203;
The elastic supporting unit 5 provides supporting force to the lower plate 402, and can absorb shock and impact generated when the separation plate set 4, the ring cover 810 and the respective stirring blades 207 stir various raw materials located in the mixing chamber 205 to provide buffering, when the lower plate 402 is separated from the upper plate 401, the position of the upper plate 401 is unchanged, the lower plate 402 moves downward, and the elastic supporting unit 5 is pressed to be compressed;
it should be noted that the upper plate 401 and the lower plate 402 are relatively movable, but the mixing plate set formed by the upper plate 401 and the lower plate 402 is integrally supported by the elastic supporting unit 5.
Example 3:
As shown in fig. 3 to 6, in this embodiment, in addition to the structural features of the previous embodiment, a guide ring groove 208 is provided on top of the main ring groove 204, and includes a main ring channel 208a and a plurality of U-shaped sub ring channels 208b that are in communication with each other; a plurality of floating stoppers 10 floatably installed in the main loop 208a at the clockwise end of each of the sub-loops 208b, one end of the floating stoppers being smoothly transited from the inner wall of the sub-loop 208b, and the other end of the floating stoppers being provided with a guide slope 1005; a plurality of elastic supporting units 5 for lifting the lower plate 402, and arranged between the bottom surface of the lower plate 402 and the main ring groove 204; a plurality of linkage sliding blocks 209 which are arranged on the peripheral wall of the upper plate 401 at intervals and can slide in the guide ring grooves 208; the support ring 210 is rotatably coupled to the lower plate 402 through the upper ring groove 211, and the bottom surface thereof is coupled to each elastic supporting unit 5.
Further, the floating barrier 10 includes a floating inner groove 1001 disposed within the sidewall of the blender compartment 201; a floating groove 1006 provided on an inner sidewall of the main ring groove 204 and communicating with the floating inner groove 1001; a slider body 1002 that is slidable in the floating inner groove 1001 and floating notch 1006; limiting flanges 1003 fixedly mounted on the inner peripheral walls of the slider body 1002 respectively and slidably engaged with the floating inner groove 1001; a floating support spring 1004 provided between the inner end surface of the floating block 1002 and the bottom surface of the floating inner groove 1001, the cross-sectional area of the floating inner groove 1001 being larger than the cross-sectional area of the floating groove 1006, one end surface of the floating block 1002 smoothly passing the side wall of the adjacent sub-channel 208b, and the other end being provided with a guide slope 1005.
Further, the elastic supporting unit 5 includes a piston sleeve 501, the bottom of which is installed at the bottom of the main ring groove 204 through a lower groove 502, and the top of which is opened; the floating pillar 503 has an upper end fixedly connected to the bottom surface of the support ring 210, and a preload spring 504 is provided between the bottom end and the piston sleeve 501.
In this embodiment of the present application, since the above-mentioned structure is adopted, the preload springs 504 in each elastic supporting unit 5 are in a compressed state, and an upward supporting force is applied to the lower plate 402 by the corresponding floating posts 503 and the supporting ring 210, and based on this, when various raw materials in the mixing chamber 205 need to be mixed, there are two mixing modes:
Mixing mode one: the driving device 8 operates to drive the separating plate set 4, the ring cover 810 and the stirring blades 207 to rotate anticlockwise, the linkage sliding blocks 209 move along with the upper plate 401 and rotate anticlockwise in the main loop 208a, the linkage sliding blocks 209 cannot automatically fall into the auxiliary loop 208b due to the action of the elastic supporting units 5, can be kept in the main loop 208a, and cooperate with the guide inclined planes 1005 of the floating blocking pieces 10 when passing through the floating blocking pieces 10 to enable the floating blocking pieces 10 to sink, and when the elastic supporting units 5 are far away from the floating blocking pieces 10, the floating blocking pieces 10 stretch out again, and the mixing mode is suitable for high-speed operation to quickly break up and mix raw materials just entering the mixing cavity 205;
And a second mixing mode: the driving device 8 rotates reversely to drive the separating plate set 4, the ring cover 810 and the stirring blades 207 to rotate clockwise, the linkage slide blocks 209 move along with the upper plate 401, rotate clockwise in the main ring 208a, are matched with the end parts of the floating blocking piece 10 when moving to the first port of the auxiliary ring 208b clockwise, are guided into the auxiliary ring 208b, when the linkage slide blocks 209 just enter the auxiliary ring 208b, the separating plate set 4, the ring cover 810 and the stirring blades 207 descend while rotating clockwise, when the linkage slide blocks 209 move to the other end of the auxiliary ring 208b, the separating plate set 4, the ring cover 810 and the stirring blades 207 ascend while rotating clockwise, and then the linkage slide blocks 209 return to the main ring 208a, so that the mixing mode is suitable for low-speed operation, and the mixture of various raw materials with sediments at the bottom is mixed after quick scattering and mixing is completed, and the stirring mixing effect of various raw materials is improved.
Example 4:
As shown in fig. 3 to 7, in this embodiment, in addition to including the structural features of the previous embodiments, the drive means 8 includes a slot 801 provided at the top of the blender compartment 201; a top box 802 which is mounted on the top of the mixer bin 201 through bolts and seals the notch 801; a linkage shaft 803 fixedly installed on the top surface of the upper plate 401 and concentric with the upper plate 401, wherein the top end extends out of the notch 801 and penetrates into the inner cavity of the top box 802; a linkage groove 804 which vertically penetrates through the linkage shaft 803 and has a polygonal cross section; a driven shaft 805 mounted on the top of the top box 802 through a bearing, and connected with a forward and reverse rotation motor 807 through a belt 806 in a transmission manner; a driving block 808, which is installed in the linkage groove 804 in a lifting and sliding manner, and is in driving fit with the linkage groove.
Further, the separation driving unit 6 includes a linkage post 601 fixedly installed on the top surface of the lower plate 402, and the upper end of the linkage post passes through the upper plate 401 and extends into the linkage groove 804 to be rotatable relative to the linkage groove 804; the electric push rod 602 is fixedly arranged in the linkage groove 804, and the telescopic end of the electric push rod 602 is rotatably connected with the top end of the linkage post 601.
Further, a plurality of sliding grooves 809 are provided on the side wall of the ring cover 810 at intervals along the circumferential direction, for enabling each stirring vane 207 to slidably cooperate with the ring cover 810; a pair of circular plates 811 fixedly installed at the outer wall bottom and the outer wall upper portion of the coupling shaft 803, respectively; a plurality of transmission arc grooves 812 respectively arranged on the circular plates 811 at intervals along the circumferential direction; a plurality of transmission convex blocks 813 fixedly arranged at the top and the bottom of the inner end of each stirring blade 207 respectively; a plurality of rotatable blades 814 rotatably mounted to the outer ends of each of the stirring blades 207; and a plurality of transmission parts 9, which are used for controlling adjacent rotatable blades 814 to rotate to incline or vertical according to the extension or retraction of each stirring blade 207 into the inner cavity of the annular cover 810, wherein the transmission arc groove 812 comprises an inclined guide groove 812a with the inner end extending towards the center of the circular plate 811 along the arc direction, and an end groove 812b connected with the inner end of the inclined guide groove 812a and concentric with the circular plate 811.
Further, the transmission member 9 includes a transmission chamber 901 provided in the stirring blade 207; a connection notch 902 provided at the inner end of the stirring blade 207 and communicating with the transmission chamber 901; a plurality of transmission struts 903 rotatably mounted on the outer ends of the stirring blades 207 through corresponding transmission round holes 904, the outer ends being fixedly connected with the end surfaces of the corresponding rotatable blades 814; a linkage plate 905 comprising a transmission part 905a slidably installed in the transmission cavity 901, and a connection part 905b penetrating out of the connection notch 902 and rotatably matched with the outer end of the linkage shaft 803 through a collar; a plurality of transmission slots 906 which are arranged on the end wall of the linkage plate 905 facing the transmission round hole 904 at intervals; a plurality of spiral grooves 907 respectively arranged in each transmission notch 906 and extending along the axis of the transmission notch 906 in a spiral shape; a plurality of driving sliding blocks 908 are fixedly arranged on the peripheral wall of the inner end of each driving strut 903 respectively and are used for being matched with the corresponding spiral groove 907 for driving.
In this embodiment of the present application, since the above-mentioned structure is adopted, when it is necessary to drive the separation plate group 4, the ring cover 810 and the stirring blades 207 to rotate counterclockwise in correspondence with the first mixing mode in embodiment 3, the output shaft of the forward/reverse motor 807 rotates counterclockwise, the driven shaft 805 rotates in the same direction as the output shaft of the forward/reverse motor 807 through the belt 806, the transmission block 808 cooperates with the linkage groove 804 to drive the linkage shaft 803 to rotate the linkage shaft 803 and the pair of circular plates 811 counterclockwise, at this time, each transmission projection 813 slides toward the end of the end groove 812b in the inclined guide groove 812a of the corresponding transmission arc groove 812, each stirring blade 207 is pulled into the ring cover 810, and during this process, since the linkage plate 905 is rotatably connected with the linkage shaft 803 through the connection portion 905b, its position with the corresponding transmission portion 905a is fixed relative to the linkage shaft 803, in the process that one end of each stirring vane 207 goes deep into the ring cover 810, the distance between the transmission part 905a of the linkage plate 905 and the outer end face of the transmission cavity 901 is reduced, meanwhile, each transmission pillar 903 goes deep into each transmission notch 906, each transmission sliding block 908 also moves from the outer end of the corresponding spiral groove 907 to the inner end of the corresponding spiral groove 907, in the process, each transmission pillar 903 is driven to rotate circumferentially around itself until each transmission convex block 813 enters the corresponding end groove 812b and is abutted with the extreme end of the end groove 812b, at this time, each transmission pillar 903 completes rotation, gaps appear between each rotatable vane 814, along with the continuous anticlockwise rotation of the counter-rotating motor 807, each transmission convex block 813 cannot rotate anticlockwise in the end groove 812b any more, at this time, the separation plate group 4, the ring cover 810, each stirring vane 207 and each rotatable vane 814 can be driven to rotate anticlockwise together, at this time, the raw materials in the mixing chamber 205 can be mixed and scattered at a high speed;
Corresponding to the second mixing mode in example 3, when the separation plate set 4, the ring housing 810 and the respective stirring vanes 207 are required to be rotated clockwise, the output shaft of the forward/reverse rotation motor 807 rotates clockwise, the driven shaft 805 rotates synchronously and in the same direction with the output shaft of the forward/reverse rotation motor 807 via the belt 806, the transmission block 808 cooperates with the linkage groove 804 to drive the linkage shaft 803, and the linkage shaft 803 and the pair of circular plates 811 rotate clockwise, at this time, each drive lug 813 slides toward the end of the inclined guide groove 812a in the end groove 812b of the corresponding drive arc groove 812, and each stirring vane 207 is pushed outward of the ring cover 810, and in this process, since the link plate 905 is rotatably coupled to the link shaft 803 through the coupling portion 905b, the position thereof with respect to the corresponding transmission portion 905a is fixed with respect to the link shaft 803, and during the process that one end of the stirring vane 207 is protruded out of the ring cover 810, the distance between the transmission portion 905a of the link plate 905 and the outer end surface of the transmission chamber 901 increases, at the same time, each drive post 903 moves outwardly of each drive slot 906, each drive slide 908 also moves from the outside to the inside of the corresponding spiral slot 907 to the outside end of the corresponding spiral slot 907, in this process, the driving struts 903 are driven to rotate around the circumference of the driving struts 903 until the driving protrusions 813 abut against the extreme ends of the inclined guide grooves 812a, at which time the driving struts 903 complete rotation, the rotatable blades 814 are closed, so that the interior of the mixing chamber 205 is divided into a plurality of independent spaces, and as the forward and reverse rotation motor 807 continues to rotate clockwise, the transmission projections 813 can not rotate clockwise in the inclined guide grooves 812a, so that the separation plate set 4, the ring cover 810, the stirring blades 207 and the rotatable blades 814 can be driven to rotate clockwise, and the materials in the independent spaces in the mixing chamber 205 can be bump and dispersed, so as to accelerate the mixing efficiency.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (6)
1. A polyurethane foaming continuous production line, comprising a main frame (101), a stirring device (2), a material flow device (3) and a plurality of heaters (102), characterized in that it comprises:
A foaming chamber (103) transversely arranged in the main frame (101);
a lower conveyor belt (104) disposed at the bottom of the foaming chamber (103);
a pair of side conveying belts (105) symmetrically arranged on the front side inner wall and the rear side inner wall of the foaming cavity (103);
Wherein the stirring device (2) and the material flow device (3) are connected with each other and are used for pouring uniform polyurethane liquid at one end of the downward conveying belt (104);
Further comprises:
a sub-frame (106) fixedly mounted on one end of the main frame (101);
-a kraft paper roll (107) rotatably mounted on said sub-frame (106);
a plurality of guide rollers (108) rotatably mounted on the sub-frame (106);
Wherein the stirring device (2) is arranged at the top of the auxiliary frame (106), and plastic films are paved on the surfaces of the side conveying belts (105);
the flow device (3) comprises:
a pair of support plates (301) symmetrically and fixedly installed at the front side and the rear side of one end of the main frame (101);
A slide rail (302) fixedly installed between a pair of the support plates (301);
A carriage (303) mounted on the slide rail (302) in a laterally sliding manner by a laterally moving driving mechanism (304);
A splitter housing (305) fixedly mounted on the carriage (303);
a plurality of paving heads (306) which are arranged on the diversion shell (305) and the outlets of which face the lower conveying belt (104);
wherein the inner cavity of the split-flow shell (305) is communicated with the stirring device (2) through a hose;
The stirring device (2) comprises:
the stirrer bin (201) is arranged on the auxiliary frame (106), and the top of the stirrer bin is connected with a plurality of feeding pipes (202);
A discharge pipe (203) which is arranged at the bottom of the mixer bin (201) and is communicated with the end of the hose far away from the split shell (305);
The main ring groove (204) is arranged around the inner wall of the mixer bin (201), the main ring groove (204) is used as a boundary, the upper part of the inner cavity of the mixer bin (201) is provided with a mixing cavity (205), and the lower part is provided with a discharging cavity (206);
A separation plate group (4) installed in the main ring groove (204) and including an upper plate (401) and a lower plate (402) which can be controlled to be separated and folded by a separation driving unit (6);
An opening/closing flow passage (7) which comprises an upper notch (701) arranged on the upper plate (401) in a staggered manner and a lower notch (702) arranged on the lower plate (402);
a plurality of stirring blades (207) which are arranged on the top of the upper plate (401) through a ring cover (810);
the driving device (8) is used for driving the separation plate group (4), the ring cover (810) and each stirring blade (207) to rotate along the circumferential direction of the main ring groove (204);
Further comprises:
the guide ring groove (208) is arranged at the top of the main ring groove (204) and comprises a main ring channel (208 a) and a plurality of U-shaped auxiliary ring channels (208 b) which are communicated with each other;
A plurality of floating blocking pieces (10) which can be floatably arranged in the main loop (208 a) and are respectively positioned at the clockwise end of each auxiliary loop (208 b), one end of each floating blocking piece is smoothly transited with the inner wall of the auxiliary loop (208 b), and the other end of each floating blocking piece is provided with a guide inclined plane (1005);
the elastic supporting units (5) are used for jacking the lower plate (402) and are arranged between the bottom surface of the lower plate (402) and the main ring groove (204);
A plurality of linkage sliding blocks (209) which are arranged on the peripheral wall of the upper plate (401) at intervals and can slide in the guide ring groove (208);
and the support ring (210) is rotatably matched with the lower plate (402) through the upper annular groove (211), and the bottom surface of the support ring is connected with each elastic support unit (5).
2. The polyurethane foam continuous production line according to claim 1, further comprising:
a strut (109) fixedly mounted on the sub-frame (106) by a cross beam, above the kraft paper roll (107);
a plurality of rolls (110) of adhesive tape are rotatably mounted on the strut (109).
3. A polyurethane foaming continuous production line according to claim 1, characterized in that the elastic support unit (5) comprises:
A piston sleeve (501) with the bottom mounted at the bottom of the main ring groove (204) through a lower groove (502) and the top end thereof being open;
and the upper end of the floating column (503) is fixedly connected with the bottom surface of the supporting ring (210), and a preload spring (504) is arranged between the bottom end of the floating column and the piston sleeve (501).
4. A polyurethane foam continuous production line according to claim 1, characterized in that the driving means (8) comprise:
a slot (801) provided at the top of the blender bin (201);
The top box (802) is arranged at the top of the mixer bin (201) through bolts and is used for blocking the notch (801);
the linkage shaft (803) is fixedly arranged on the top surface of the upper plate (401), concentric with the upper plate (401), and the top end of the linkage shaft extends out of the notch (801) and penetrates into the inner cavity of the top box (802);
A linkage groove (804) which penetrates the linkage shaft (803) up and down and has a polygonal cross section;
The driven shaft (805) is arranged at the top of the top box (802) through a bearing, and is connected with a forward and reverse rotation motor (807) through a belt (806) in a transmission way;
A transmission block (808) which is installed in the linkage groove (804) in a lifting sliding way and is in transmission fit with the linkage groove.
5. The polyurethane foam continuous production line according to claim 4, further comprising:
a plurality of sliding grooves (809) which are arranged on the side wall of the ring cover (810) at intervals along the circumferential direction and are used for enabling each stirring blade (207) to be in sliding fit with the ring cover (810);
A pair of circular plates (811) fixedly installed at the bottom and upper part of the outer wall of the coupling shaft (803), respectively;
A plurality of transmission arc grooves (812) which are respectively arranged on the circular plates (811) at intervals along the circumferential direction;
a plurality of transmission convex blocks (813) which are respectively and fixedly arranged at the top and the bottom of the inner end of each stirring blade (207);
a plurality of rotatable blades (814) rotatably mounted to the outer ends of each of the stirring blades (207);
A plurality of transmission parts (9) for controlling adjacent rotatable blades (814) to rotate to incline or vertical according to the extension or retraction of each stirring blade (207) into the inner cavity of the ring cover (810);
the transmission arc groove (812) comprises an inclined guide groove (812 a) with the inner end extending towards the center of the circular plate (811) in an arc shape along the anticlockwise direction, and an end groove (812 b) connected with the inner end of the inclined guide groove (812 a) and concentric with the circular plate (811).
6. A polyurethane foam continuous production line according to claim 5, characterized in that the transmission part (9) comprises:
a transmission chamber (901) provided in the stirring blade (207);
a connection notch (902) which is arranged at the inner end of the stirring blade (207) and is communicated with the transmission cavity (901);
A plurality of transmission struts (903) rotatably arranged at the outer ends of the stirring blades (207) through corresponding transmission round holes (904), and the outer ends are fixedly connected with the end surfaces of corresponding rotatable blades (814);
The linkage plate (905) comprises a transmission part (905 a) which is slidably arranged in the transmission cavity (901), and a connecting part (905 b) which penetrates out of the connecting notch (902) and is rotatably matched with the outer end of the linkage shaft (803) through a loop;
A plurality of transmission notches (906) which are arranged on the end wall of the linkage plate (905) facing the transmission round hole (904) at intervals;
a plurality of spiral grooves (907) which are respectively arranged in the transmission notch (906) and extend along the axis of the transmission notch (906) in a spiral manner;
and a plurality of transmission sliding blocks (908) are fixedly arranged on the inner end peripheral wall of each transmission support column (903) respectively and are used for being matched with the corresponding spiral grooves (907) for transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310371478.4A CN117863433B (en) | 2023-04-08 | 2023-04-08 | Polyurethane foaming continuous production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310371478.4A CN117863433B (en) | 2023-04-08 | 2023-04-08 | Polyurethane foaming continuous production line |
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| CN117863433A CN117863433A (en) | 2024-04-12 |
| CN117863433B true CN117863433B (en) | 2024-07-26 |
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| CN202310371478.4A Active CN117863433B (en) | 2023-04-08 | 2023-04-08 | Polyurethane foaming continuous production line |
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| CN118514260B (en) * | 2024-07-22 | 2024-09-13 | 天津市全福车业有限公司 | Polyurethane foaming mixing mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219149A (en) * | 1996-05-21 | 1999-06-09 | H·H·勃朗鞋业技术股份有限公司 | Composite material for absorbing and dissipating body fluids and moisture |
| KR20160125186A (en) * | 2015-04-21 | 2016-10-31 | (주) 대웅기계 | Moving installable urethane foam block manufacturing systems |
| CN213709231U (en) * | 2020-09-15 | 2021-07-16 | 韩树国 | Be used for road bridge maintenance to use material sorter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4568003A (en) * | 1981-09-02 | 1986-02-04 | Sealed Air Corporation | Detachable mixing chamber for a fluid dispensing apparatus |
| JPH089173B2 (en) * | 1987-06-29 | 1996-01-31 | 株式会社ヒューマンインダストリーコーポレーション | Continuous production equipment for foam slabs |
| AUPP361898A0 (en) * | 1998-05-20 | 1998-06-11 | Starlon Pty Ltd | Extrusion |
| DE10343745A1 (en) * | 2003-09-22 | 2005-04-21 | Hennecke Gmbh | Process for the production of polyurethane sandwich elements |
| CN109318422B (en) * | 2018-09-03 | 2021-03-02 | 嘉善欣达胶业有限公司 | Flocking glue foaming device |
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2023
- 2023-04-08 CN CN202310371478.4A patent/CN117863433B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219149A (en) * | 1996-05-21 | 1999-06-09 | H·H·勃朗鞋业技术股份有限公司 | Composite material for absorbing and dissipating body fluids and moisture |
| KR20160125186A (en) * | 2015-04-21 | 2016-10-31 | (주) 대웅기계 | Moving installable urethane foam block manufacturing systems |
| CN213709231U (en) * | 2020-09-15 | 2021-07-16 | 韩树国 | Be used for road bridge maintenance to use material sorter |
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| CN117863433A (en) | 2024-04-12 |
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