CN106184043A - A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp - Google Patents

A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp Download PDF

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Publication number
CN106184043A
CN106184043A CN201610531567.0A CN201610531567A CN106184043A CN 106184043 A CN106184043 A CN 106184043A CN 201610531567 A CN201610531567 A CN 201610531567A CN 106184043 A CN106184043 A CN 106184043A
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China
Prior art keywords
glue
skylight
semi
fabric
finished product
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CN201610531567.0A
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Chinese (zh)
Inventor
邓利农
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WUXI JIXING AUTO PARTS CO Ltd
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WUXI JIXING AUTO PARTS CO Ltd
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Priority to CN201610531567.0A priority Critical patent/CN106184043A/en
Publication of CN106184043A publication Critical patent/CN106184043A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B60R13/0212—Roof or head liners
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/04—Time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/12—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars

Abstract

One automobile ceiling skylight frame of the present invention and mushroom hasp method of attachment, belong to technical field of automotive upholstery.It comprises the steps: that PU plastic roll, substrate forming, cooling and shaping, glue spraying are dried, fabric is fitted, cooling and shaping, high pressure waterjet, skylight bound edge and adnexa group are stood.The present invention compared with the prior art skylight frame is strong with double buckle cohesive force, good endurance, and material and riveting method are little on in-car air quality impact；Meet high-performance, the roof liner production technology of environment-friendly type.

Description

A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp
Technical field
The present invention relates to a kind of automobile ceiling skylight frame and mushroom hasp method of attachment, specifically one is for automobile The production technology that ceiling adnexa connects, belongs to technical field of automotive upholstery.
Background technology
Automobile roof liner is installed on the decoration on the panel beating of automobile cabin top, play sound insulation, heat insulation, beautify driving cabin etc. Feature, is increasingly pursuing high-performance, environment-friendly type, and lightweight, in the energy-saving epoch, automotive trim becomes as car conour People select a key factor of car, and therefore the requirement to automotive upholstery is more and more higher.Skylight frame and primary and secondary on ceiling at present The bonding mode of button typically uses glue bonding or uses the double buckle of band acrylic foam tape to bond, wherein glue On VOC(VOC in car) impact bigger；Double buckle with gum layer VOC is had an impact and adhesive durability slightly Difference, time length easily comes off, and country puts into effect the GB GB/T27630 material on in-car air quality likely produces impact at present Material and parts strictly control, so selecting adhesive durability good, and the ultrasound wave riveting little on in-car air quality impact Mode bonds skylight frame and double buckle.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, it is provided that a kind of production work connected for automobile ceiling adnexa Method, production process environmental protection, efficient, quick, cost-effective.
The technical scheme provided according to the present invention, a kind of ultrasound riveting skylight frame produces with the automobile ceiling of mushroom hasp Method, specifically comprises the following steps that
(1) preparation of PU base material: take PU feeding glue spreader and carry out plastic roll heating, obtain PU foam；Wherein Rolling motor frequency 20- 40Hz, glue spreader up-down roller gap 5.0-5.5mm, glue spreader bowl temperature 40-50 DEG C, each one side of PU base material upper and lower surface Plastic roll amount is at 35-45g/m2, the rigidity effect of roof liner is played by PU gluing；The PU foam of glue will be rolled, with spray purified water machine Uniformly spray pure water；Electric machine frequency during sprinkling: 40 ~ 60Hz, the amount of purified water of sprinkling is 25-35g/m2；
(2) substrate forming: by transfer matic lay material, the superiors' table cloth is water proof nonwoven cloth, and the second layer is Chopped Strand Mat, the 3rd The PU base material that layer is prepared for step (1), the 4th layer is Chopped Strand Mat, bottom lay common non-woven fabric；Material good for lay is sent into Mould is compressing, press-moulding die temperature: 120-130 DEG C, briquetting pressure 8-10MPa, molding time 40-50s, prepares pressure Molding semi product processed；The substrate forming of roof liner is made, simultaneously by mold notch base material periphery after compacting by heating mould And the unnecessary base material in position, skylight cuts；
(3) cooling and shaping: the semi-finished product after compressing for step (2) are carried out vac sorb cooling and shaping, cool time 40- 50s, vacuum 0.5MPa；
(4) glue spraying is dried: the semi-finished product after being cooled down by step (3) gained are placed on glue spraying tool location, and pallet is sent to spray Glue spraying operation, glue spraying air pressure 0.2-0.4MPa is carried out in glue room；Spraying semi-finished product are hung to drying shed hook, is dried place Reason, baking temperature: 70-80 DEG C, transmission frequency: F1.90-F2.0；
(5) fabric laminating: the dried semi-finished product of step (4) glue spraying are placed in mould with fabric combination and fit, during laminating Mold temperature 65-75 DEG C, laminate pressure 8-10MPa, fit time 45-55s；
(6) cooling and shaping: the semi-finished product that step (5) posts fabric are cooled to room temperature so that it is sizing；Sizing considers car load Assembling, meets the matching requirements of roof liner size by cooling and shaping, and part is unlikely to deform.
(7) high pressure waterjet: the semi-finished product after qualitative for step (6) gained are carried out high pressure waterjet, and cutting hydraulic pressure control exists 40000-50000psi, cutting air pressure controls at 0.6-0.8MPa；
(8) skylight bound edge: semi-finished product good for step (7) Water Cutting are placed on press box tool and carry out press box, then will suppress The roof liner of skylight frame is placed on taping machine, and to skylight sash, all around and product forward position base material is uniformly coated with respectively to use hairbrush Glue, utilizes skylight taping machine that roof liner forward position and position, skylight are carried out automatic bound edge；Bound edge temperature 90-110 DEG C, forward position flange is whole Shape time 40-50s, skylight flanging and restriking time 30-40s；
(9) adnexa group is stood: be placed on by the ceiling after step (8) bound edge on the vertical tool of group, 3M double buckle is placed on skylight frame On double buckle pedestal, auto-ultrasonic riveting machine is utilized to rivet；Ultrasonic frequency 35KHz, rivets time 2s, dwell time 2.5s, the riveted joint tip press-in double buckle base material degree of depth is 0.38mm-0.5mm, each double buckle and skylight frame pedestal after riveting Pull-out force is more than 400N, i.e. obtains product automobile ceiling.
The glue that described step (5) fabric laminating glue spraying uses is environment-friendly water-based glue.Environment-friendly water-based glue, i.e. solvent are Water, by with air reaction evaporation of solvent water, fully meet abnormal smells from the patient and VOC requirement, unharmful substance.
Described step (8) skylight press box bound edge glue is PUR glue, forms cohesive force with water vapor in air after reacting.
Described second layer Chopped Strand Mat density is 100-150g/m24th layer of Chopped Strand Mat density is 120-150g/m2。
Described fabric is arctic style knitted composite fabric (knitting fabric+PU+PE film).
Ultrasonic bonding needs two part being welded to each other molecule phase mutual friction under the effect of the pressure to become heat to reach the most molten Purpose, under ul-trasonic irradiation produce dither, make fricative heat between working of plastics will reach peak, make Obtain the amplitude conduction between wave welding head of ultrasonic wave and plastics；Between the plastic molecules of material of the same race, mutual vibration, easily welds.According to The similar compatibility principle of material riveting, with reference to common plastics welding synopsis, sets skylight frame and is also adopted by as PP material, double buckle PP material double buckle.
Beneficial effects of the present invention: skylight frame of the present invention is strong with double buckle cohesive force, good endurance, material and riveting method Little on in-car air quality impact；Meet high-performance, the roof liner production technology of environment-friendly type.
Accompanying drawing explanation
Fig. 1 is riveting products front schematic view.
Fig. 2 is riveting products schematic rear view.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further detailed.
Embodiment 1
A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp, specifically comprise the following steps that
(1) preparation of PU base material: take PU feeding glue spreader and carry out plastic roll heating, obtain PU foam；Wherein Rolling motor frequency 20Hz, glue spreader up-down roller gap 5.0mm, glue spreader bowl temperature 40 DEG C, PU base material upper and lower surface each one side plastic roll amount At 35g/m2, the rigidity effect of roof liner is played by PU gluing；The PU foam of glue will be rolled, uniformly sprayed pure with spray purified water machine Water purification；Electric machine frequency during sprinkling: 40Hz, the amount of purified water of sprinkling is 25g/m2；
(2) substrate forming: by transfer matic lay material, the superiors' table cloth is water proof nonwoven cloth, and the second layer is Chopped Strand Mat, the 3rd The PU base material that layer is prepared for step (1), the 4th layer is Chopped Strand Mat, bottom lay common non-woven fabric；Material good for lay is sent into Mould is compressing, press-moulding die temperature: 120 DEG C, briquetting pressure 8MPa, molding time 40s, prepares compressing half and becomes Product；The substrate forming of roof liner is made, simultaneously by mold notch base material periphery and position, skylight after compacting by heating mould Unnecessary base material cuts；
(3) cooling and shaping: the semi-finished product after compressing for step (2) are carried out vac sorb cooling and shaping, cool time 40s, Vacuum 0.5MPa；
(4) glue spraying is dried: the semi-finished product after being cooled down by step (3) gained are placed on glue spraying tool location, and pallet is sent to spray Glue spraying operation, glue spraying air pressure 0.2MPa is carried out in glue room；Spraying semi-finished product are hung to drying shed hook, carries out dried, dry Dry temperature: 70 DEG C, transmission frequency: F1.90；
(5) fabric laminating: the dried semi-finished product of step (4) glue spraying are placed in mould with fabric combination and fit, during laminating Mold temperature 65 DEG C, laminate pressure 8MPa, fit time 45s；
(6) cooling and shaping: the semi-finished product that step (5) posts fabric are cooled to room temperature so that it is sizing；Sizing considers car load Assembling, meets the matching requirements of roof liner size by cooling and shaping, and part is unlikely to deform.
(7) high pressure waterjet: the semi-finished product after qualitative for step (6) gained are carried out high pressure waterjet, and cutting hydraulic pressure control exists 40000psi, cutting air pressure controls at 0.6MPa；
(8) skylight bound edge: semi-finished product good for step (7) Water Cutting are placed on press box tool and carry out press box, then will suppress The roof liner of skylight frame is placed on taping machine, and to skylight sash, all around and product forward position base material is uniformly coated with respectively to use hairbrush Glue, utilizes skylight taping machine that roof liner forward position and position, skylight are carried out automatic bound edge；Bound edge temperature 90 DEG C, during the flanging and restriking of forward position Between 40s, skylight flanging and restriking time 30s；
(9) adnexa group is stood: be placed on by the ceiling after step (8) bound edge on the vertical tool of group, 3M double buckle is placed on skylight frame On double buckle pedestal, auto-ultrasonic riveting machine is utilized to rivet；Ultrasonic frequency 35KHz, rivets time 2s, dwell time 2.5s, the riveted joint tip press-in double buckle base material degree of depth is 0.38mm-0.5mm, each double buckle and skylight frame pedestal after riveting Pull-out force is more than 400N, i.e. obtains product automobile ceiling.
Described second layer Chopped Strand Mat density is 100g/m24th layer of Chopped Strand Mat density is 120g/m2。
Described fabric is arctic style knitted composite fabric (knitting fabric+PU+PE film).
Embodiment 2
A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp, specifically comprise the following steps that
(1) preparation of PU base material: take PU feeding glue spreader and carry out plastic roll heating, obtain PU foam；Wherein Rolling motor frequency 40Hz, glue spreader up-down roller gap 5.5mm, glue spreader bowl temperature 50 DEG C, PU base material upper and lower surface each one side plastic roll amount At 45g/m2, the rigidity effect of roof liner is played by PU gluing；The PU foam of glue will be rolled, uniformly sprayed pure with spray purified water machine Water purification；Electric machine frequency during sprinkling: 60Hz, the amount of purified water of sprinkling is 35g/m2；
(2) substrate forming: by transfer matic lay material, the superiors' table cloth is water proof nonwoven cloth, and the second layer is Chopped Strand Mat, the 3rd The PU base material that layer is prepared for step (1), the 4th layer is Chopped Strand Mat, bottom lay common non-woven fabric；Material good for lay is sent into Mould is compressing, press-moulding die temperature: 130 DEG C, briquetting pressure 10MPa, molding time 50s, prepares compressing half Finished product；The substrate forming of roof liner is made, simultaneously by mold notch base material periphery and skylight portion after compacting by heating mould The unnecessary base material in position cuts；
(3) cooling and shaping: the semi-finished product after compressing for step (2) are carried out vac sorb cooling and shaping, cool time 50s, Vacuum 0.5MPa；
(4) glue spraying is dried: the semi-finished product after being cooled down by step (3) gained are placed on glue spraying tool location, and pallet is sent to spray Glue spraying operation, glue spraying air pressure 0.4MPa is carried out in glue room；Spraying semi-finished product are hung to drying shed hook, carries out dried, dry Dry temperature 80 DEG C, transmission frequency: F2.0；
(5) fabric laminating: the dried semi-finished product of step (4) glue spraying are placed in mould with fabric combination and fit, during laminating Mold temperature 75 DEG C, laminate pressure 10MPa, fit time 55s；
(6) cooling and shaping: the semi-finished product that step (5) posts fabric are cooled to room temperature so that it is sizing；Sizing considers car load Assembling, meets the matching requirements of roof liner size by cooling and shaping, and part is unlikely to deform.
(7) high pressure waterjet: the semi-finished product after qualitative for step (6) gained are carried out high pressure waterjet, and cutting hydraulic pressure control exists 50000psi, cutting air pressure controls at 0.8MPa；
(8) skylight bound edge: semi-finished product good for step (7) Water Cutting are placed on press box tool and carry out press box, then will suppress The roof liner of skylight frame is placed on taping machine, and to skylight sash, all around and product forward position base material is uniformly coated with respectively to use hairbrush Glue, utilizes skylight taping machine that roof liner forward position and position, skylight are carried out automatic bound edge；Bound edge temperature 110 DEG C, forward position flanging and restriking Time 40-50s, skylight flanging and restriking time 40s；
(9) adnexa group is stood: be placed on by the ceiling after step (8) bound edge on the vertical tool of group, 3M double buckle is placed on skylight frame On double buckle pedestal, auto-ultrasonic riveting machine is utilized to rivet；Ultrasonic frequency 35KHz, rivets time 2s, dwell time 2.5s, the riveted joint tip press-in double buckle base material degree of depth is 0.5mm, and after riveting, each double buckle is big with skylight frame pedestal pull-out force In 400N, i.e. obtain product automobile ceiling.
The glue that described step (5) fabric laminating glue spraying uses is environment-friendly water-based glue.Environment-friendly water-based glue, i.e. solvent are Water, by with air reaction evaporation of solvent water, fully meet abnormal smells from the patient and VOC requirement, unharmful substance.Described step (8) sky Window press box bound edge glue is PUR glue, forms cohesive force with water vapor in air after reacting.
Described second layer Chopped Strand Mat density is 150g/m24th layer of Chopped Strand Mat density is 150g/m2。
Described fabric is arctic style knitted composite fabric (knitting fabric+PU+PE film).
Embodiment 3
A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp, specifically comprise the following steps that
(1) preparation of PU base material: take PU feeding glue spreader and carry out plastic roll heating, obtain PU foam；Wherein Rolling motor frequency 30Hz, glue spreader up-down roller gap 5.3mm, glue spreader bowl temperature 45 DEG C, PU base material upper and lower surface each one side plastic roll amount At 40g/m2, the rigidity effect of roof liner is played by PU gluing；The PU foam of glue will be rolled, uniformly sprayed pure with spray purified water machine Water purification；Electric machine frequency during sprinkling: 50Hz, the amount of purified water of sprinkling is 30g/m2；
(2) substrate forming: by transfer matic lay material, the superiors' table cloth is water proof nonwoven cloth, and the second layer is Chopped Strand Mat, the 3rd The PU base material that layer is prepared for step (1), the 4th layer is Chopped Strand Mat, bottom lay common non-woven fabric；Material good for lay is sent into Mould is compressing, press-moulding die temperature: 125 DEG C, briquetting pressure 9MPa, molding time 45s, prepares compressing half and becomes Product；The substrate forming of roof liner is made, simultaneously by mold notch base material periphery and position, skylight after compacting by heating mould Unnecessary base material cuts；
(3) cooling and shaping: the semi-finished product after compressing for step (2) are carried out vac sorb cooling and shaping, cool time 45s, Vacuum 0.5MPa；
(4) glue spraying is dried: the semi-finished product after being cooled down by step (3) gained are placed on glue spraying tool location, and pallet is sent to spray Glue spraying operation, glue spraying air pressure 0.3MPa is carried out in glue room；Spraying semi-finished product are hung to drying shed hook, carries out dried, dry Dry temperature 75 DEG C, transmission frequency: F1.95；
(5) fabric laminating: the dried semi-finished product of step (4) glue spraying are placed in mould with fabric combination and fit, during laminating Mold temperature 70 DEG C, laminate pressure 9MPa, fit time 50s；
(6) cooling and shaping: the semi-finished product that step (5) posts fabric are cooled to room temperature so that it is sizing；Sizing considers car load Assembling, meets the matching requirements of roof liner size by cooling and shaping, and part is unlikely to deform.
(7) high pressure waterjet: the semi-finished product after qualitative for step (6) gained are carried out high pressure waterjet, and cutting hydraulic pressure control exists 45000psi, cutting air pressure controls at 0.7MPa；
(8) skylight bound edge: semi-finished product good for step (7) Water Cutting are placed on press box tool and carry out press box, then will suppress The roof liner of skylight frame is placed on taping machine, and to skylight sash, all around and product forward position base material is uniformly coated with respectively to use hairbrush Glue, utilizes skylight taping machine that roof liner forward position and position, skylight are carried out automatic bound edge；Bound edge temperature 100 DEG C, forward position flanging and restriking Time 45s, skylight flanging and restriking time 35s；
(9) adnexa group is stood: be placed on by the ceiling after step (8) bound edge on the vertical tool of group, 3M double buckle is placed on skylight frame On double buckle pedestal, auto-ultrasonic riveting machine is utilized to rivet；Ultrasonic frequency 35KHz, rivets time 2s, dwell time 2.5s, the riveted joint tip press-in double buckle base material degree of depth is 0.45mm, each double buckle and skylight frame pedestal pull-out force after riveting More than 400N, i.e. obtain product automobile ceiling.
The glue that described step (5) fabric laminating glue spraying uses is environment-friendly water-based glue.Environment-friendly water-based glue, i.e. solvent are Water, by with air reaction evaporation of solvent water, fully meet abnormal smells from the patient and VOC requirement, unharmful substance.
Described step (8) skylight press box bound edge glue is PUR glue, forms cohesive force with water vapor in air after reacting.
Described second layer Chopped Strand Mat density is 130g/m24th layer of Chopped Strand Mat density is 140g/m2。
Described fabric is arctic style knitted composite fabric (knitting fabric+PU+PE film).
Embodiment 4
A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp, specifically comprise the following steps that
(1) preparation of PU base material: take PU feeding glue spreader and carry out plastic roll heating, obtain PU foam；Wherein Rolling motor frequency 28Hz, glue spreader up-down roller gap 5.1mm, glue spreader bowl temperature 47 DEG C, PU base material upper and lower surface each one side plastic roll amount At 26g/m2, the rigidity effect of roof liner is played by PU gluing；The PU foam of glue will be rolled, uniformly sprayed pure with spray purified water machine Water purification；Electric machine frequency during sprinkling: 59Hz, the amount of purified water of sprinkling is 26g/m2；
(2) substrate forming: by transfer matic lay material, the superiors' table cloth is water proof nonwoven cloth, and the second layer is Chopped Strand Mat, the 3rd The PU base material that layer is prepared for step (1), the 4th layer is Chopped Strand Mat, bottom lay common non-woven fabric；Material good for lay is sent into Mould is compressing, press-moulding die temperature: 122 DEG C, briquetting pressure 10MPa, molding time 47s, prepares compressing half Finished product；The substrate forming of roof liner is made, simultaneously by mold notch base material periphery and skylight portion after compacting by heating mould The unnecessary base material in position cuts；
(3) cooling and shaping: the semi-finished product after compressing for step (2) are carried out vac sorb cooling and shaping, cool time 42s, Vacuum 0.5MPa；
(4) glue spraying is dried: the semi-finished product after being cooled down by step (3) gained are placed on glue spraying tool location, and pallet is sent to spray Glue spraying operation, glue spraying air pressure 0.35MPa is carried out in glue room；Spraying semi-finished product are hung to drying shed hook, carry out dried, Baking temperature: 72 DEG C, transmission frequency: F1.98；
(5) fabric laminating: the dried semi-finished product of step (4) glue spraying are placed in mould with fabric combination and fit, during laminating Mold temperature 69 DEG C, laminate pressure 8.5MPa, fit time 50s；
(6) cooling and shaping: the semi-finished product that step (5) posts fabric are cooled to room temperature so that it is sizing；Sizing considers car load Assembling, meets the matching requirements of roof liner size by cooling and shaping, and part is unlikely to deform.
(7) high pressure waterjet: the semi-finished product after qualitative for step (6) gained are carried out high pressure waterjet, and cutting hydraulic pressure control exists 48000psi, cutting air pressure controls at 0.75MPa；
(8) skylight bound edge: semi-finished product good for step (7) Water Cutting are placed on press box tool and carry out press box, then will suppress The roof liner of skylight frame is placed on taping machine, and to skylight sash, all around and product forward position base material is uniformly coated with respectively to use hairbrush Glue, utilizes skylight taping machine that roof liner forward position and position, skylight are carried out automatic bound edge；Bound edge temperature 105 DEG C, forward position flanging and restriking Time 43s, skylight flanging and restriking time 34s；
(9) adnexa group is stood: be placed on by the ceiling after step (8) bound edge on the vertical tool of group, 3M double buckle is placed on skylight frame On double buckle pedestal, auto-ultrasonic riveting machine is utilized to rivet；Ultrasonic frequency 35KHz, rivets time 2s, dwell time 2.5s, the riveted joint tip press-in double buckle base material degree of depth is 0.49mm, each double buckle and skylight frame pedestal pull-out force after riveting More than 400N, i.e. obtain product automobile ceiling.
The glue that described step (5) fabric laminating glue spraying uses is environment-friendly water-based glue.Environment-friendly water-based glue, i.e. solvent are Water, by with air reaction evaporation of solvent water, fully meet abnormal smells from the patient and VOC requirement, unharmful substance.
Described step (8) skylight press box bound edge glue is PUR glue, forms cohesive force with water vapor in air after reacting.
Described second layer Chopped Strand Mat density is 120g/m24th layer of Chopped Strand Mat density is 140g/m2。
Described fabric is arctic style knitted composite fabric (knitting fabric+PU+PE film).

Claims (5)

1. ultrasound riveting skylight frame and an automobile ceiling production method for mushroom hasp, is characterized in that specifically comprising the following steps that
(1) preparation of PU base material: take PU feeding glue spreader and carry out plastic roll heating, obtain PU foam；Wherein Rolling motor frequency 20- 40Hz, glue spreader up-down roller gap 5.0-5.5mm, glue spreader bowl temperature 40-50 DEG C, each one side of PU base material upper and lower surface Plastic roll amount is at 35-45g/m2, the rigidity effect of roof liner is played by PU gluing；The PU foam of glue will be rolled, with spray purified water machine Uniformly spray pure water；Electric machine frequency during sprinkling: 40 ~ 60Hz, the amount of purified water of sprinkling is 25-35g/m2；
(2) substrate forming: by transfer matic lay material, the superiors' table cloth is water proof nonwoven cloth, and the second layer is Chopped Strand Mat, the 3rd The PU base material that layer is prepared for step (1), the 4th layer is Chopped Strand Mat, bottom lay common non-woven fabric；Material good for lay is sent into Mould is compressing, press-moulding die temperature: 120-130 DEG C, briquetting pressure 8-10MPa, molding time 40-50s, prepares pressure Molding semi product processed；
(3) cooling and shaping: the semi-finished product after compressing for step (2) are carried out vac sorb cooling and shaping, cool time 40- 50s, vacuum 0.5MPa；
(4) glue spraying is dried: the semi-finished product after being cooled down by step (3) gained are placed on glue spraying tool location, and pallet is sent to spray Glue spraying operation, glue spraying air pressure 0.2-0.4MPa is carried out in glue room；Spraying semi-finished product are hung to drying shed hook, is dried place Reason, baking temperature: 70-80 DEG C, transmission frequency: F1.90-F2.0；
(5) fabric laminating: the dried semi-finished product of step (4) glue spraying are placed in mould with fabric combination and fit, during laminating Mold temperature 65-75 DEG C, laminate pressure 8-10MPa, fit time 45-55s；
(6) cooling and shaping: the semi-finished product that step (5) posts fabric are cooled to room temperature so that it is sizing；
(7) high pressure waterjet: the semi-finished product after qualitative for step (6) gained are carried out high pressure waterjet, and cutting hydraulic pressure control is at 40000- 50000psi, cutting air pressure controls at 0.6-0.8MPa；
(8) skylight bound edge: semi-finished product good for step (7) Water Cutting are placed on press box tool and carry out press box, then will suppress The roof liner of skylight frame is placed on taping machine, and to skylight sash, all around and product forward position base material is uniformly coated with respectively to use hairbrush Glue, utilizes skylight taping machine that roof liner forward position and position, skylight are carried out automatic bound edge；Bound edge temperature 90-110 DEG C, forward position flange is whole Shape time 40-50s, skylight flanging and restriking time 30-40s；
(9) adnexa group is stood: be placed on by the ceiling after step (8) bound edge on the vertical tool of group, 3M double buckle is placed on skylight frame On double buckle pedestal, auto-ultrasonic riveting machine is utilized to rivet；Ultrasonic frequency 35KHz, rivets time 2s, dwell time 2.5s, the riveted joint tip press-in double buckle base material degree of depth is 0.38mm-0.5mm, each double buckle and skylight frame pedestal after riveting Pull-out force is more than 400N, i.e. obtains product automobile ceiling.
2. ultrasound rivets the automobile ceiling production method of skylight frame and mushroom hasp as claimed in claim 1, it is characterized in that: institute The glue stating the laminating glue spraying use of step (5) fabric is environment-friendly water-based glue.
3. ultrasound rivets the automobile ceiling production method of skylight frame and mushroom hasp as claimed in claim 1, it is characterized in that: institute Stating step (8) skylight press box bound edge glue is PUR glue.
4. ultrasound rivets the automobile ceiling production method of skylight frame and mushroom hasp as claimed in claim 1, it is characterized in that: institute Stating second layer Chopped Strand Mat density is 100-150g/m24th layer of Chopped Strand Mat density is 120-150g/m2。
5. ultrasound riveting skylight frame described in claim 1 and the automobile ceiling production method of mushroom hasp, is characterized in that: described Fabric includes that one layer of knitting fabric is combined PU and PE film.
CN201610531567.0A 2016-07-04 2016-07-04 A kind of ultrasound riveting skylight frame and the automobile ceiling production method of mushroom hasp Pending CN106184043A (en)

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Application publication date: 20161207