CN114367413A - Tire sound insulation sponge and processing technology thereof - Google Patents
Tire sound insulation sponge and processing technology thereof Download PDFInfo
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- CN114367413A CN114367413A CN202210077948.1A CN202210077948A CN114367413A CN 114367413 A CN114367413 A CN 114367413A CN 202210077948 A CN202210077948 A CN 202210077948A CN 114367413 A CN114367413 A CN 114367413A
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- glue
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- tire
- rotating shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/09—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C7/00—Non-inflatable or solid tyres
Abstract
The invention provides a tire sound insulation sponge and a processing technology thereof, and is characterized in that: including inhaling sound sponge main part, inhale sound sponge main part end to end and enclose into the ring form and the laminating is fixed on the inner wall of tire main part, inhale sound sponge main part structure divide into three-layer from top to bottom, wherein the superiors and the lowermost floor are the PV glue layer, the intermediate level is the sponge layer, the sponge layer fuse with the PV glue layer that sets up surface its top and bottom. According to the invention, the PV glue layers are arranged on the upper surface and the lower surface of the sound-absorbing sponge main body, and the noise generated in the driving process of the wheel tire is isolated and blocked through the PV glue layers, so that the driving experience of a driver and the riding experience of a passenger are improved, and the function of increasing the practical performance is achieved.
Description
Technical Field
The invention relates to the technical field of sound insulation sponges, in particular to a tire sound insulation sponge and a processing technology thereof.
Background
The sponge is a porous material and is widely applied to the fields of clothes, furniture, cleaning, makeup, filtration, industrial packaging, sound absorption, mechanical sealing and the like; polyether polyols are common raw materials for the preparation of polyurethanes, polyurethane sponges are generally classified as: PU high resilience sponge, which can be used for preparing sofas, cushions and mattresses; the PU slow rebound sponge has special viscous and elastic characteristics, embodies the characteristics of a very soft material and has very strong impact energy absorption capacity; PU self-skinning sponge, applied to automobile steering wheel, armrest, headrest, bicycle seat, motorcycle seat, easy chair armrest and headrest, door handle, spoiler and bumper, etc.; meanwhile, the polyurethane sponge is also widely applied to the field of sound absorption.
With the development of society, people have higher and higher requirements on sound insulation and noise reduction of vehicles, so that the sound insulation and noise reduction of the tires of the wheels are required to meet the requirements, but no people can insulate sound and reduce noise of the tires at present, and therefore, the design of the sound insulation sponge for the tires and the processing technology thereof for solving the problems are very important.
Disclosure of Invention
The invention provides a tire sound insulation sponge and a processing technology thereof.A PV (polyvinyl alcohol) glue layer is arranged on the upper surface and the lower surface of a sound insulation sponge main body, and the PV glue layer is used for isolating and blocking noise generated in the running process of a tire of a wheel, so that the driving experience of a driver and the riding experience of a passenger are improved, and the effect of increasing the practical performance is achieved.
In order to solve the technical problem, the invention provides a tire sound insulation sponge which is characterized in that: the tire is characterized by comprising a sound-absorbing sponge main body, wherein the sound-absorbing sponge main body is connected end to form a ring shape and is fixedly attached to the inner wall of a tire main body, the sound-absorbing sponge main body is structurally divided into an upper layer, a middle layer and a lower layer, the uppermost layer and the lowermost layer are PV glue layers, the middle layer is a sponge layer, and the sponge layer and the PV glue layers arranged on the upper surface and the lower surface of the sponge layer are connected into a whole;
the processing technology of the tire sound insulation sponge specifically comprises the following steps:
s1: metering: PPG (62-66%), water (1.5-2.5%), silicone oil (0.2-0.6%), catalyst (0.3-0.5%), auxiliary agent (2.2-2.8%) and isocyanate (27-33%) are proportioned according to percentage;
s2: mixing: pouring the raw materials of the components proportioned in the step S1 into a stirrer for fully mixing;
s3: discharging and forming: discharging the material mixed in the step S2 through a foaming machine, performing swelling molding through the foaming machine, and performing curing treatment on the molded sponge;
s4: brushing glue and curing: placing the cured sponge in the step S3 on a glue brushing curing device, brushing glue on the upper surface and the lower surface of the sponge in sequence through the glue brushing curing device, and curing the upper surface and the lower surface of the sponge in a heating mode to form a PV glue layer;
s5: cutting: cutting the sponge which is well glued and cured according to the size of the tire to enable the width of the sponge to be matched with the width of the tire, and enabling the sponge to be attached to the inner wall of the tire after the sponge is encircled into a circle;
s6: packaging and recovering: and packaging and storing the cut sponge in the step S5, and recovering leftover sponge generated by cutting.
Further: the composition proportion of each raw material in the step S1 is PPG: 64.7%, water: 2.1%, silicone oil: 0.4%, catalyst: 0.4%, auxiliary agent: 0.4%, isocyanate: 30 percent.
And further: the catalyst consists of a tin catalyst and an amine catalyst, wherein the tin catalyst is T-9, the amine catalyst is A-33, and the ratio of the tin catalyst to the amine catalyst is 2-3: 3-5.
And further: the auxiliary agent is a sponge stabilizer L-580.
And further: the glue brushing and curing device comprises an upper support, a middle support, a lower support, an arc-shaped support, a first glue applying mechanism, a first heating cover body, a second glue applying mechanism and a second heating cover body, wherein the middle support is fixed right above the lower support, the upper support is fixed right above the middle support, the first glue applying mechanism is arranged at the bottom of the upper support, the first heating cover body is arranged on the middle support on the right side of the first glue applying mechanism, the arc-shaped support is in a semi-circular shape, the upper end and the lower end of the arc-shaped support are respectively connected with the right end of the upper support and the right end of the lower support, the second glue applying mechanism is arranged at the bottom of the middle support, the second heating cover body is arranged on the lower support on the left side of the second glue applying mechanism, and the left end and the right end of the first heating cover body and the second heating cover body are both provided with through grooves for sponge to pass through, the middle support on be provided with first conveying mechanism, the arc support with the lower carriage on be provided with second conveying mechanism, the first heating cover body with the second heating cover in all install electric heating pipe and temperature sensor, electric heating pipe and temperature sensor all be connected with the controller electricity.
And further: first conveying mechanism include first transport roller, first pivot, first sprocket and first chain, middle support on turn right from a left side and install the first transport roller of a plurality of in proper order through first pivot, the first transport roller of a plurality of is the level setting, the upper end of first transport roller stretches out middle support, and the interval between two adjacent first transport rollers is the same, the one end of first pivot is stretched out middle support and is equipped with first sprocket on it, the epaxial first sprocket of a plurality of first pivots links to each other through first chain each other, a first pivot wherein links to each other with first servo motor through first shaft coupling.
And further: the second conveying mechanism comprises a second conveying roller, a second rotating shaft, a third conveying roller, a third rotating shaft, a second chain wheel and a second chain, a plurality of second conveying rollers are sequentially arranged on the lower bracket from left to right through a second rotating shaft and are horizontally arranged, the upper ends of the second conveying rollers extend out of the lower support, the distance between every two adjacent second conveying rollers is the same, the inner wall of the arc-shaped support is provided with a third conveying roller through a third rotating shaft, one end of the second rotating shaft extends out of the lower support, one end of the third rotating shaft, which is located on the same side, extends out of the arc-shaped support, one end of the second rotating shaft, which extends out of the lower support, and one end of the third rotating shaft, which extends out of the arc-shaped support, are all sleeved with a second chain wheel, the second chain wheels are connected with each other through a second chain, and one of the second rotating shafts is further connected with a second servo motor through a second coupler.
And further: the first glue applying mechanism and the second glue applying mechanism are respectively composed of a PV glue storage box, a mounting frame, glue brushing rollers, a fourth rotating shaft and a scraper blade, the bottoms of the upper support and the middle support are respectively connected with the PV glue storage box and the mounting frame, a plurality of glue discharging holes are formed in the bottom of the PV glue storage box from left to right, two glue brushing rollers are sequentially arranged on the mounting frame through the fourth rotating shaft, the scraper blade is also detachably connected to the bottom of the mounting frame, one end of the fourth rotating shaft extends out of the mounting frame and is provided with a driven sprocket, a third servo motor is further arranged on the outer side of the mounting frame, a driving sprocket is sleeved on the output shaft end of the third servo motor, and the driven sprockets on the two fourth rotating shafts are connected with the driving sprocket through a transmission chain; the glue brushing roller in the first glue applying mechanism is positioned on the right side of the PV glue storage box, and the scraper is positioned on the right side of the glue brushing roller; and a glue brushing roller in the second glue applying mechanism is positioned on the left side of the PV glue storage box, and the scraper is positioned on the left side of the glue brushing roller.
And further: be fixed with two first deflectors on the intermediate strut of first sizing mechanism below, two first deflectors set up relatively and the bottom seted up with first transport roller assorted first arc wall, first PV is glued and is retrieved the box under two first deflectors still are installed to the bottom of intermediate strut under, be fixed with two second deflectors on the lower carriage of second sizing mechanism below, two second deflectors set up relatively and the bottom seted up with the second transport roller assorted second arc wall, and second PV is glued and is retrieved the box also is installed to the bottom of the lower carriage under two second deflectors.
And further: the left end of the lower support is also connected with a cutting platform, the upper part of the cutting platform is connected with a top seat through a stand column, the bottom of the top seat is connected with a cutting tool through a first electric cylinder, the bottom of the top seat is connected with a baffle through a second electric cylinder, the baffle is positioned on the left side of the cutting tool, the cutting tool consists of a connecting plate, two transversely arranged first cutting tools and two longitudinally arranged second cutting tools, the two first cutting tools and the two second cutting tools are vertically arranged at the bottom of the connecting plate, the connecting plate is connected with the first electric cylinder, the upper surface of the cutting platform is flush with the upper end of a second conveying roller, the two first cutting tools are arranged between the two second cutting tools, a guide rod is vertically fixed at the top of the connecting plate, and the bottom of the top seat is horizontally connected with a guide plate through a connecting column, the upper end of the guide rod penetrates through the guide plate and is in sliding connection with the guide plate, the upper end of the guide rod is horizontally fixed with a buffering anti-falling plate, and a buffering anti-falling spring is arranged between the buffering anti-falling plate and the guide plate.
By adopting the structure, the PV glue layers are arranged on the upper surface and the lower surface of the sound-absorbing sponge main body, and the noise generated in the driving process of the wheel tire is isolated and blocked by the PV glue layers, so that the driving experience of a driver and the riding experience of a passenger are improved; the glue brushing and curing device can automatically finish the glue brushing and curing operations on the upper surface and the lower surface of the sound absorption sponge main body, so that the working efficiency is greatly improved; in addition, the tire sponge cutting device can also be conveyed to the cutting platform on one side of the tire sponge cutting device to finish the cutting work of the tire sponge after the curing is finished through the conveying mechanism in the glue brushing and curing device, and the effect of increasing the practical performance is achieved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a state diagram of the present invention in use.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of a glue brushing and curing device.
Fig. 4 is a structural view of the first and second glue applying mechanisms.
Fig. 5 is a view showing a part of fig. 3.
Fig. 6 is a structural view of the cutting tool of fig. 5.
Detailed Description
The tire sound insulation sponge as shown in fig. 1 and 2 comprises a sound absorption sponge main body 2, wherein the sound absorption sponge main body is connected end to form a circular ring shape and is attached and fixed on the inner wall of a tire main body 1, the sound absorption sponge main body is divided into an upper layer, a middle layer and a lower layer, the uppermost layer and the lowermost layer are PV glue layers 2-2, the middle layer is a sponge layer 2-1, and the sponge layer and the PV glue layers arranged on the upper surface and the lower surface of the sponge layer are connected into a whole; according to the invention, the PV glue layers are arranged on the upper surface and the lower surface of the sound-absorbing sponge main body, and the noise generated in the driving process of the wheel tire is isolated and blocked through the PV glue layers, so that the driving experience of a driver and the riding experience of a passenger are improved.
The processing technology of the tire sound insulation sponge specifically comprises the following steps:
s1: metering: PPG (62-66%), water (1.5-2.5%), silicone oil (0.2-0.6%), catalyst (0.3-0.5%), auxiliary agent (2.2-2.8%) and isocyanate (27-33%) are proportioned according to percentage;
s2: mixing: pouring the raw materials of the components proportioned in the step S1 into a stirrer for fully mixing;
s3: discharging and forming: discharging the material mixed in the step S2 through a foaming machine, performing swelling molding through the foaming machine, and performing curing treatment on the molded sponge;
s4: brushing glue and curing: placing the cured sponge in the step S3 on a glue brushing curing device, brushing glue on the upper surface and the lower surface of the sponge in sequence through the glue brushing curing device, and curing the upper surface and the lower surface of the sponge in a heating mode to form a PV glue layer;
s5: cutting: cutting the sponge which is well glued and cured according to the size of the tire to enable the width of the sponge to be matched with the width of the tire, and enabling the sponge to be attached to the inner wall of the tire after the sponge is encircled into a circle;
s6: packaging and recovering: and packaging and storing the cut sponge in the step S5, and recovering leftover sponge generated by cutting.
The composition ratio of each raw material in the step S1 is PPG: 64.7%, water: 2.1%, silicone oil: 0.4%, catalyst: 0.4%, auxiliary agent: 0.4%, isocyanate: 30 percent.
The catalyst consists of a tin catalyst and an amine catalyst, wherein the tin catalyst is T-9, the amine catalyst is A-33, and the ratio of the tin catalyst to the amine catalyst is 2-3: 3-5, and the auxiliary agent is a sponge stabilizer L-580.
The glue brushing and curing device shown in fig. 3 comprises an upper support 5, a middle support 4, a lower support 3, an arc-shaped support 6, a first glue applying mechanism 10, a first heating cover body 11, a second glue applying mechanism 14 and a second heating cover body 15, wherein the middle support is fixed right above the lower support, the upper support is fixed right above the middle support, the first glue applying mechanism is installed at the bottom of the upper support, the first heating cover body is installed on the middle support on the right side of the first glue applying mechanism, the arc-shaped support is in a semicircular ring shape, the upper end and the lower end of the arc-shaped support are respectively connected with the right end of the upper support and the right end of the lower support, the second glue applying mechanism is arranged at the bottom of the middle support, the second heating cover body is installed on the lower support on the left side of the second glue applying mechanism, through grooves for passing through sponges are formed at the left end and the right end of the first heating cover body and the second heating cover body, the middle support on be provided with first conveying mechanism, the arc support with the lower carriage on be provided with second conveying mechanism, the first heating cover body with the second heating cover in all install electric heating pipe and temperature sensor, electric heating pipe and temperature sensor all be connected with the controller electricity. The glue brushing and curing device can automatically finish the glue brushing and curing operations on the upper surface and the lower surface of the sound absorption sponge main body, and greatly improves the working efficiency.
The first conveying mechanism shown in fig. 3 comprises a first conveying roller 7, a first rotating shaft, a first chain wheel and a first chain, a plurality of first conveying rollers are sequentially installed on the middle support from left to right through the first rotating shaft, the first conveying rollers of the plurality of are horizontally arranged, the upper end of the first conveying roller stretches out of the middle support, the distance between two adjacent first conveying rollers is the same, one end of the first rotating shaft stretches out of the middle support and is sleeved with the first chain wheel, the first chain wheels on the first rotating shafts are connected with one another through the first chain, and one of the first rotating shafts is connected with a first servo motor through a first coupler.
The second conveying mechanism shown in fig. 3 comprises a second conveying roller 8, a second rotating shaft, a third conveying roller 9, a third rotating shaft, a second chain wheel and a second chain, a plurality of second conveying rollers are sequentially arranged on the lower bracket from left to right through a second rotating shaft and are horizontally arranged, the upper ends of the second conveying rollers extend out of the lower support, the distance between every two adjacent second conveying rollers is the same, the inner wall of the arc-shaped support is provided with a third conveying roller through a third rotating shaft, one end of the second rotating shaft extends out of the lower support, one end of the third rotating shaft, which is located on the same side, extends out of the arc-shaped support, one end of the second rotating shaft, which extends out of the lower support, and one end of the third rotating shaft, which extends out of the arc-shaped support, are all sleeved with a second chain wheel, the second chain wheels are connected with each other through a second chain, and one of the second rotating shafts is further connected with a second servo motor through a second coupler.
The first glue applying mechanism and the second glue applying mechanism shown in fig. 4 are respectively composed of a PV glue storage box 19, a mounting frame 2, glue brushing rollers 22, a fourth rotating shaft and a scraper 23, the bottoms of the upper support and the middle support are respectively connected with a PV glue storage box and a mounting frame, a plurality of glue discharging holes 21 are formed in the bottom of the PV glue storage box from left to right, two glue brushing rollers are sequentially arranged on the mounting frame through the fourth rotating shaft, the scraper is also detachably connected to the bottom of the mounting frame, one end of the fourth rotating shaft extends out of the mounting frame and is provided with a driven sprocket, a third servo motor is further arranged on the outer side of the mounting frame, a driving sprocket is sleeved on the output shaft end of the third servo motor, and the driven sprockets on the two fourth rotating shafts are connected with the driving sprocket through a transmission chain; the glue brushing roller in the first glue applying mechanism is positioned on the right side of the PV glue storage box, and the scraper is positioned on the right side of the glue brushing roller; and a glue brushing roller in the second glue applying mechanism is positioned on the left side of the PV glue storage box, and the scraper is positioned on the left side of the glue brushing roller.
As shown in fig. 3, two first guide plates 12 are fixed on the middle support below the first glue applying mechanism, the two first guide plates are oppositely arranged and the bottom of the two first guide plates is provided with a first arc-shaped groove matched with the first conveying roller, a first PV glue recovery box body 13 is further installed at the bottom of the middle support below the two first guide plates, two second guide plates 16 are fixed on the lower support below the second glue applying mechanism, the two second guide plates are oppositely arranged and the bottom of the two second guide plates is provided with a second arc-shaped groove matched with the second conveying roller, and a second PV glue recovery box body 17 is also installed at the bottom of the lower support below the two second guide plates.
As shown in fig. 3, 5 and 6, the left end of the lower bracket is further connected with a cutting platform 18, the upper part of the cutting platform is connected with a top seat 24 through an upright post 27, the bottom of the top seat is connected with a cutting tool 25 through a first electric cylinder 29, the bottom of the top seat is further connected with a baffle 26 through a second electric cylinder 28, the baffle is positioned at the left side of the cutting tool, the cutting tool is composed of a connecting plate 25-1, two transversely arranged first cutting tools 25-2 and two longitudinally arranged second cutting tools 25-3, the two first cutting tools and the two second cutting tools are both vertically arranged at the bottom of the connecting plate, the connecting plate is connected with the first electric cylinder, the upper surface of the cutting platform is flush with the upper end of a second conveying roller, the two first cutting tools are arranged between the two second cutting tools, a guide rod 30 is vertically fixed at the top of the connecting plate, the bottom of footstock has the deflector 34 through spliced pole 32 horizontal connection still, the upper end of guide arm is passed the deflector and is rather than sliding connection, the upper end of guide arm still the level be fixed with the buffering and prevent weighing down board 31, the buffering is prevented weighing down and is still provided with the buffering and prevents weighing down spring 33 between board and the deflector. The tire sponge cutting device can also be conveyed to a cutting platform on one side of the tire sponge cutting device to finish the cutting work of the tire sponge after the curing is finished through a conveying mechanism in the glue brushing and curing device, so that the effect of increasing the practical performance is achieved; in addition, the buffer anti-falling plate and the buffer anti-falling spring play a role in improving the safety performance, and unnecessary accidents caused by sudden falling of the cutting tool are prevented.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a tire sound insulation sponge which characterized in that: the tire comprises a sound absorption sponge main body (2), wherein the sound absorption sponge main body is connected end to form a circular ring shape and is attached and fixed on the inner wall of a tire main body (1), the sound absorption sponge main body is structurally divided into an upper layer, a middle layer and a lower layer, the uppermost layer and the lowermost layer are PV glue layers (2-2), the middle layer is a sponge layer (2-1), and the sponge layer and the PV glue layers arranged on the upper surface and the lower surface of the sponge layer are connected into a whole;
the processing technology of the tire sound insulation sponge specifically comprises the following steps:
s1: metering: PPG (62-66%), water (1.5-2.5%), silicone oil (0.2-0.6%), catalyst (0.3-0.5%), auxiliary agent (2.2-2.8%) and isocyanate (27-33%) are proportioned according to percentage;
s2: mixing: pouring the raw materials of the components proportioned in the step S1 into a stirrer for fully mixing;
s3: discharging and forming: discharging the material mixed in the step S2 through a foaming machine, performing swelling molding through the foaming machine, and performing curing treatment on the molded sponge;
s4: brushing glue and curing: placing the cured sponge in the step S3 on a glue brushing curing device, brushing glue on the upper surface and the lower surface of the sponge in sequence through the glue brushing curing device, and curing the upper surface and the lower surface of the sponge in a heating mode to form a PV glue layer;
s5: cutting: cutting the sponge which is well glued and cured according to the size of the tire to enable the width of the sponge to be matched with the width of the tire, and enabling the sponge to be attached to the inner wall of the tire after the sponge is encircled into a circle;
s6: packaging and recovering: and packaging and storing the cut sponge in the step S5, and recovering leftover sponge generated by cutting.
2. The tire sound insulation sponge according to claim 1, wherein: the composition proportion of each raw material in the step S1 is PPG: 64.7%, water: 2.1%, silicone oil: 0.4%, catalyst: 0.4%, auxiliary agent: 0.4%, isocyanate: 30 percent.
3. The tire sound insulation sponge according to claim 1, wherein: the catalyst consists of a tin catalyst and an amine catalyst, wherein the tin catalyst is T-9, the amine catalyst is A-33, and the ratio of the tin catalyst to the amine catalyst is 2-3: 3-5.
4. The tire sound insulation sponge according to claim 1, wherein: the auxiliary agent is a sponge stabilizer L-580.
5. The tire sound insulation sponge according to claim 1, wherein: the glue brushing and curing device comprises an upper support (5), a middle support (4), a lower support (3), an arc-shaped support (6), a first glue applying mechanism (10), a first heating cover body (11), a second glue applying mechanism (14) and a second heating cover body (15), wherein the middle support is fixed right above the lower support, the upper support is fixed right above the middle support, the first glue applying mechanism is arranged at the bottom of the upper support, the first heating cover body is arranged on the middle support on the right side of the first glue applying mechanism, the arc-shaped support is in a semicircular ring shape, the upper end and the lower end of the arc-shaped support are respectively connected with the right end of the upper support and the right end of the lower support, the second glue applying mechanism is arranged at the bottom of the middle support, the second heating cover body is arranged on the lower support on the left side of the second glue applying mechanism, through grooves for sponge to pass through are formed in the left end and right end of the first heating cover body and the second heating cover body, the middle support on be provided with first conveying mechanism, the arc support with the lower carriage on be provided with second conveying mechanism, the first heating cover body with the second heating cover in all install electric heating pipe and temperature sensor, electric heating pipe and temperature sensor all be connected with the controller electricity.
6. The tire sound insulation sponge according to claim 5, wherein: first conveying mechanism include first transport roller (7), first pivot, first sprocket and first chain, middle support on turn right from a left side and install the first transport roller of a plurality of in proper order through first pivot, the first transport roller of a plurality of is the level setting, the middle support is stretched out to the upper end of first transport roller, interval between two adjacent first transport rollers is the same, the one end of first pivot is stretched out middle support and is equipped with first sprocket on it, the epaxial first sprocket of a plurality of first pivots links to each other through first chain, a first pivot wherein links to each other with first servo motor through first shaft coupling.
7. The tire sound insulation sponge according to claim 5, wherein: the second conveying mechanism comprises a second conveying roller (8), a second rotating shaft, a third conveying roller (9), a third rotating shaft, a second chain wheel and a second chain, a plurality of second conveying rollers are sequentially arranged on the lower bracket from left to right through a second rotating shaft and are horizontally arranged, the upper ends of the second conveying rollers extend out of the lower support, the distance between every two adjacent second conveying rollers is the same, the inner wall of the arc-shaped support is provided with a third conveying roller through a third rotating shaft, one end of the second rotating shaft extends out of the lower support, one end of the third rotating shaft, which is located on the same side, extends out of the arc-shaped support, one end of the second rotating shaft, which extends out of the lower support, and one end of the third rotating shaft, which extends out of the arc-shaped support, are all sleeved with a second chain wheel, the second chain wheels are connected with each other through a second chain, and one of the second rotating shafts is further connected with a second servo motor through a second coupler.
8. The tire sound insulation sponge according to claim 5, wherein: the first glue applying mechanism and the second glue applying mechanism are respectively composed of a PV glue storage box (19), a mounting frame (2), glue brushing rollers (22), a fourth rotating shaft and a scraper (23), the bottoms of the upper support and the middle support are respectively connected with the PV glue storage box and the mounting frame, a plurality of glue discharging holes (21) are formed in the bottom of the PV glue storage box from left to right, two glue brushing rollers are sequentially arranged on the mounting frame through the fourth rotating shaft, the scraper is also detachably connected to the bottom of the mounting frame, one end of the fourth rotating shaft extends out of the mounting frame and is provided with a driven sprocket, a third servo motor is further arranged on the outer side of the mounting frame, a driving sprocket is sleeved on the shaft outlet end of the third servo motor, and the driven sprockets on the two fourth rotating shafts are connected with the driving sprocket through a transmission chain; the glue brushing roller in the first glue applying mechanism is positioned on the right side of the PV glue storage box, and the scraper is positioned on the right side of the glue brushing roller; and a glue brushing roller in the second glue applying mechanism is positioned on the left side of the PV glue storage box, and the scraper is positioned on the left side of the glue brushing roller.
9. The tire sound insulation sponge according to claim 8, wherein: be fixed with two first deflectors (12) on the intermediate strut of first sizing mechanism below, two first deflectors set up relatively and the bottom seted up with first transport roller assorted first arc wall, first PV is glued and is retrieved box (13) still to the bottom of the intermediate strut under two first deflectors, be fixed with two second deflectors (16) on the lower carriage of second sizing mechanism below, two second deflectors set up relatively and the bottom seted up with second transport roller assorted second arc wall, and second PV is glued and is retrieved box (17) also to the bottom of the lower carriage under two second deflectors.
10. The tire sound insulation sponge according to claim 5, wherein: the left end of the lower support is also connected with a cutting platform (18), the upper part of the cutting platform is connected with a top seat (24) through a stand column (27), the bottom of the top seat is connected with a cutting tool (25) through a first electric cylinder (29), the bottom of the top seat is also connected with a baffle (26) through a second electric cylinder (28), the baffle is positioned at the left side of the cutting tool, the cutting tool is composed of a connecting plate (25-1), two transversely arranged first cutting tools (25-2) and two longitudinally arranged second cutting tools (25-3), the two first cutting tools and the two second cutting tools are both vertically arranged at the bottom of the connecting plate, the connecting plate is connected with the first electric cylinder, the upper surface of the cutting platform is flush with the upper end of a second conveying roller, the two first cutting tools are arranged between the second cutting tools, the top of connecting plate is still vertical to be fixed with guide arm (30), there is deflector (34) bottom of footstock through spliced pole (32) still horizontally connect, the deflector is passed and rather than sliding connection in the upper end of guide arm, the upper end of guide arm still horizontally fixed has the buffering to prevent weighing down board (31), the buffering is still provided with the buffering and is prevented weighing down spring (33) between board and the deflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210077948.1A CN114367413B (en) | 2022-01-24 | 2022-01-24 | Tire sound insulation sponge and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210077948.1A CN114367413B (en) | 2022-01-24 | 2022-01-24 | Tire sound insulation sponge and processing technology thereof |
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| Publication Number | Publication Date |
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| CN114367413A true CN114367413A (en) | 2022-04-19 |
| CN114367413B CN114367413B (en) | 2023-04-21 |
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| CN210826028U (en) * | 2019-07-26 | 2020-06-23 | 昆山凯密科汽车零部件有限公司 | Wear-resistant waterproof sponge adhesive tape |
| CN112848630A (en) * | 2021-01-29 | 2021-05-28 | 东莞市俊宇电子有限公司 | A full-automatic production line for sponge rubber production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450642A (en) * | 2008-12-29 | 2009-06-10 | 中通客车控股股份有限公司 | Passenger car floor with sound insulation and decrease of noise functions |
| WO2017163219A1 (en) * | 2016-03-25 | 2017-09-28 | Pirelli Tyre S.P.A. | Soundproof self-sealing tyre for vehicle wheels |
| CN106622896A (en) * | 2016-12-06 | 2017-05-10 | 芜湖利通新材料有限公司 | Sponge gluing technology |
| CN106944311A (en) * | 2017-05-19 | 2017-07-14 | 安徽华诚海绵制品有限公司 | A kind of sponge automatic glue application smoothens device |
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| CN114367413B (en) | 2023-04-21 |
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