CN108407343A - The preparation method of flat pallet and the device for being used to prepare flat pallet - Google Patents
The preparation method of flat pallet and the device for being used to prepare flat pallet Download PDFInfo
- Publication number
- CN108407343A CN108407343A CN201810175984.5A CN201810175984A CN108407343A CN 108407343 A CN108407343 A CN 108407343A CN 201810175984 A CN201810175984 A CN 201810175984A CN 108407343 A CN108407343 A CN 108407343A
- Authority
- CN
- China
- Prior art keywords
- pallet
- spray
- plastic
- paint
- robot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
- B25J11/0075—Manipulators for painting or coating
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/36—Feeding the material on to the mould, core or other substrate
- B29C41/365—Construction of spray-up equipment, e.g. spray-up guns
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention provides a kind of preparation methods of flat pallet and the device for being used to prepare flat pallet.The preparation method includes molded step：Foams plastic material is molded, form pallet；Drying steps：To the tray dried；Plastic-coated step：To the pallet spray polyurea paint after drying, wherein in the plastic-coated step, first to the first surface spray polyurea paint of the pallet, after waiting for the polyureas paint solidification, then again to the second surface spray polyurea paint of the pallet, wait for forming the flat pallet after the polyureas paint solidification.According to the present invention it is possible to the prepared product levelling pallet in such a way that moulding technology and plastic spraying are combined.The preparation process of this method is simple, and the period of production is shorter, the cost that can be saved material.
Description
Technical field
The present invention relates to tray technology fields, and relate more specifically to a kind of preparation method of flat pallet and a kind of for making
The device of standby flat pallet.
Background technology
Existing expansion type logistics flat pallet may be used the foaming raw materials such as EPS (polystyrene foam) and be foamed into
Type.After formation, generally use vacuum forming technique is by PET (polyethylene terephthalates for the expansion type logistics flat pallet
Ester), the plastic foils showering EVA (ethyl vinyl acetates such as HIPS (high impact polystyrene) or ABS (acrylonitrile-butadiene-styrene (ABS))
Ethylene copolymer) plastics sucking moulding coats EPS sheet after hot melt adhesive, to form sealer.Substantially preparation process is as follows：
Forming step：Eps foam is subjected to molding integrated molding, EPS sheet is made；PP plastics are molded into a mold
Type is respectively prepared bottom plate and support leg, and bottom plate and EPS sheet is fixed.
Lamination step：PET film is placed in laminating machine, one layer of EVA glue is adhered in a side surface of PET film by laminating machine
Layer.
Heat cutting step：PET film and EVA glue-lines are heated, keep PET film softening extensible, and EVA glue-lines is made to be in molten
Change state cuts PET film by the size of EPS sheet.
Vacuum forming step：EVA glue-lines on PET film after cutting are mutually fixed with EPS sheet and backplate surface, by true
Suction molding machine makes to become vacuum between PET film and EPS sheet and bottom plate, so that PET film is passed through with EPS sheet and bottom plate using atmospheric pressure
EVA glue-lines closely bond.
It is cooled and shaped step：The PET film, EPS sheet and bottom plate that complete vacuum forming are cooled down, extra material is removed
Preparation process is completed in side, the assembly that foot and bottom plate are supported after cooling.
Above-mentioned preparation process is relative complex, and the production cycle is long, and energy consumption is big, wastes raw material.And yield rate is difficult to control,
Rejection rate is higher, and manufacturing cost is larger.
Therefore, it is necessary to a kind of preparation methods of flat pallet and a kind of device being used to prepare flat pallet, at least partly
Solve problems of the prior art.
Invention content
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into
One step is described in detail.The Summary of the present invention is not meant to attempt to limit technical solution claimed
Key feature and essential features do not mean that the protection domain for attempting to determine technical solution claimed more.
In order to solve the above problems at least partly, according to an aspect of the invention, there is provided a kind of system of flat pallet
Preparation Method comprising following steps：
Molded step：Foams plastic material is molded, form pallet；
Drying steps：To the tray dried；And
Plastic-coated step：To the pallet spray polyurea paint after drying,
Wherein, in the plastic-coated step, first to the first surface spray polyurea paint of the pallet, wait for that the polyureas paint is solid
Change and then to the second surface spray polyurea paint of the pallet, waits for forming the flat pallet after the polyureas paint solidification.
According to this programme, the mode prepared product levelling pallet that moulding technology and plastic spraying are combined may be used.The party
The preparation process of method is simple, and the period of production is shorter, the cost that can be saved material.And finished product can also be efficiently controlled
Rate further saves material and reduces energy consumption, reduces pallet manufacturing cost.
Flat pallet prepared by the present invention has superior mechanical performance, ultralight weight.The wooden logistics of tradition can be substituted
Flat pallet and plastics logistics flat pallet are applied to logistics field.It is especially suitable for air transportation field, can is that client saves aviation
Freight charges save Aviation Fuel for state and society, reduce logistics cost.
Preferably, further include the fleece-laying step in the plastic-coated step, in the fleece-laying step, in institute
It states after polyureas paint sprays and filament is uniformly laid with to the pallet before solidification.
Preferably, the plastic-coated step includes spray painting step, in the spray painting step, using the spray positioned at spray station
Robot is applied to paint to the pallet.
Preferably, it in the spray painting step, controls the spray time of the polyureas paint and detects the spray of the polyureas paint
Apply thickness.
Preferably, the plastic-coated step further includes crawl step, and in the crawl step, the pallet is by conveying machine
People captures and is delivered to the spray station, and the first surface of the pallet or the second surface are towards the spray
Robot is applied to paint in the state of crawl.
Preferably, the grasp mode of the transfer robot is vacuum suction mode and/or the transfer robot is six
Shaft industrial robot.
Preferably, the pallet supplying step before further including after the molded step and the plastic-coated step,
In the pallet supplying step, the pallet is transmitted to the pick-and-place station of the transfer robot using delivery platform, and
The drying steps are carried out in transmission process.
Preferably, further include the first curing schedule in the plastic-coated step, it is described in first curing schedule
Pallet after first surface spray painting by the transfer robot is delivered to the pick-and-place station and adjusting ambient temperature make it is described
Polyureas paint cures.
Preferably, the plastic-coated step further includes the second curing schedule, in second curing schedule, second table
Pallet after the spray painting of face is delivered to tray rack by the transfer robot and adjusting ambient temperature makes the polyureas paint cure.
Preferably, the foams plastic material is made of plastic foamed raw material, and the plastic foamed raw material includes flame retardant type
At least one of EPS, graphene EPS, flame retardant type EPP (polypropylene foam).
Preferably, the plastic-coated step is repeated at least once.
According to another aspect of the present invention, a kind of device being used to prepare flat pallet is provided comprising molded
Equipment, drying equipment and plastic-coated equipment.
The molded equipment is used for foams plastic material is molded to form pallet；
The drying equipment is located at the downstream of the molded equipment, for the tray dried；
The plastic-coated equipment is located at the downstream of the drying equipment, for the pallet spray polyurea paint after drying with
Form the flat pallet.
According to this programme, which allows to the prepared product levelling in such a way that moulding technology and plastic spraying are combined
Pallet.The structure of the device is simple, enables to the period of production shorter, and the cost to save material.And also
Yield rate can be efficiently controlled, material is further saved and reduces energy consumption, reduces pallet manufacturing cost.
Preferably, described device further includes the fleece-laying device positioned at fleece-laying station, and filament is uniformly spread
The pallet after spray painting.
Preferably, the plastic-coated equipment includes the spray robot positioned at spray station, with the first table to the pallet
Face and second surface successively respectively paint.
Preferably, the spray robot is provided with the sensing device for controlling spray time and sprays thickness for detecting
The detection device of degree.
Preferably, the plastic-coated equipment includes the first spray robot positioned at the first spray station, first spraying
Robot is located at the downstream of the drying equipment to paint to the first surface；And
Positioned at the second spray robot of the second spray station, second spray robot is located at first flush coater
The downstream of device people is to paint to the second surface.
Preferably, the plastic-coated equipment further includes the transfer robot for capturing the pallet, by the pallet
The first surface or the second surface paint towards the spray robot and in the state of crawl.
Preferably, described device further includes tray rack, and the tray rack is located at the downstream of the spray robot, to place
Pallet to the polyureas paint after the second surface spray painting cures.
Preferably, described device further includes the delivery platform for transmitting the pallet, and the delivery platform is located at described
The upstream in the downstream of molded equipment and the plastic-coated equipment, and the drying equipment is set at the delivery platform.
Preferably, the delivery platform have pick-and-place station, be provided at the pick-and-place station temperature-adjusting device with
The polyureas paint of the first surface is set to cure.
Description of the drawings
The following drawings of the present invention is used to understand the present invention in this as the part of the present invention.Shown in the drawings of this hair
Bright embodiment and its description, device used to explain the present invention and principle.In the accompanying drawings,
Fig. 1 is the process flow chart for being used to prepare flat pallet according to the first embodiment of the present invention；And
Fig. 2 is the process flow chart for being used to prepare flat pallet according to second embodiment of the present invention.
Specific implementation mode
In the following description, a large amount of concrete details are given in order to provide more thorough understanding of the invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid with the present invention obscure, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description, to illustrate the present invention.It is aobvious
So, execution of the invention is not limited to the specific details that the those skilled in the art are familiar with.The preferable reality of the present invention
Example is applied to be described in detail as follows, however other than these detailed descriptions, the present invention can also have other embodiment, should not solve
It is interpreted as being confined to embodiments presented herein.
It should be understood that the purpose of term as used herein is only that description specific embodiment and not as the present invention
Limitation, " one " of singulative, "one" and " described/should " be also intended to include plural form, unless context is expressly noted that
Other mode.When the term " comprising " and/or " including " is used in this specification, indicate there are the feature, entirety,
Step, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety, step, operation,
Element, component and/or combination thereof.Term "upper", "lower", "front", "rear", "left", "right" used in the present invention with
And similar statement is for illustrative purposes only, not limits.
The cited such as ordinal number of " first " and " second " is only to identify in the present invention, without any other
Meaning, such as specific sequence etc..Moreover, for example, term " first component " itself does not imply that the presence of " second component ", art
Language " second component " does not imply that the presence of " first component " in itself.
Hereinafter, specific embodiments of the present invention are described in more detail with reference to the accompanying drawings, those figures show this
The representative embodiment of invention is not to limit the present invention.
First embodiment
As shown in Figure 1, providing a kind of device being used to prepare flat pallet, the dress according to the preferred embodiment of the present invention
It sets including molded equipment 101, drying equipment 102 and plastic-coated equipment.Molded equipment 101 is used for foams plastic material
It is molded to form pallet.Drying equipment 102 is used for tray dried.Plastic-coated equipment is used to spray the pallet after drying poly-
Urea paint is to form flat pallet.The system in such a way that the device of present embodiment can realize that moulding technology and plastic spraying are combined
Standby logistics flat pallet.And flat pallet has polyureas lacquer coat.Due to the polyureas paint performance of itself so that flat pallet it is such as resistance to
Impact, the performances such as shatter-resistant can be significantly increased.
Specifically, molded equipment 101 be configured so that flat pallet can by molding die thermoplastic shaping.Thermoplastic
Pallet is formed after molding, i.e., naked pallet (pallet of unattached coating).Foams plastic material can be flame retardant type EPS, graphene
At least one of EPS, flame retardant type EPP.As a result, the weight of flat pallet can be reduced, the structural strength of flat pallet is improved,
For example tensile strength, bending strength etc..
Drying equipment 102 is located at the downstream of molded equipment 101.Examine qualified semi-finished product (naked pallet) that can convey
It is first dried to scheduled moisture content in drying equipment 102, so that subsequent polyureas paint preferably plastic-coated is to the surface of pallet.It is dry
Dry equipment 102 can be the device that drying chamber etc. is capable of providing dry environment.
Plastic-coated equipment is located at the downstream of drying equipment 102.Dry qualified pallet is transported at plastic-coated equipment.Plastic-coated is set
It is standby to be configured so that using be on the surface of polyureas paint plastic-coated to pallet by the way of spraying.The polyureas lacquer coat formed as a result,
Better quality.
Further, plastic-coated equipment includes the spray robot positioned at spray station, with the first surface and the to pallet
It successively respectively paints on two surfaces.Spray robot is provided with the spray painting portion of such as spray gun, in order to reach certain injection pressure,
It needs that polyureas paint is delivered to spray gun with certain pressure by high-tension apparatus.It should be noted that first surface is for bearing
The load-bearing surface of loading object, the i.e. plane for bearing goods of pallet.Second surface is the table except the load-bearing surface of pallet
Face, the i.e. surface of the peripheric surface of pallet and support leg side.
Cure in view of the pallet generally use after spray painting is placed horizontally on platform or holder, in order to avoid spray
Lacquer painting is destroyed, and needs a surface first to pallet to paint, the surface that do not paint can be positioned over platform or holder.It waits for
It paints again to another surface after the solidification of polyureas paint, cured surface can be positioned over platform or holder.It in this way can be with
Ensure the quality of pallet product.
As shown in Figure 1, plastic-coated equipment includes the first spray robot 105 for painting to first surface and for the
Second spray robot 106 of two surface lacquers.It in this way can be different with second surface spraying ingredient to the first surface of pallet
Polyureas paint.Specifically, the first spray robot 105 is located at the first spray station, and the first table of pallet is sprayed at this station
Face.And the first spray robot 105 is located at the downstream of drying equipment 102, to paint after tray dried.Second spraying robot
People 106 is located at the second spray station, and the second surface of pallet is sprayed at this station.And the second spray robot 106 is located at
The downstream of first spray robot 105, to paint after first surface spray painting.
In a not shown embodiment, plastic-coated equipment may include a spray robot.It in this way can be to pallet
First surface and second surface are sprayed into a point identical polyureas paint.
Spray robot is provided with the sensing device for controlling spray time and the detection for detecting coating thickness fills
It sets.In this way during spray painting, spray robot can carry out intelligentized control method to the thickness of polyureas lacquer coat.
Plastic-coated equipment further includes the transfer robot 104 for capturing pallet, by the first surface of pallet or the second table
It paints facing towards spray robot and in the state of crawl.The pedestal of transfer robot 104 is fixedly installed.Multi-joint machinery
Hand spatially can arbitrarily be moved relative to pedestal, to realize crawl pallet, and pallet is delivered to the first spraying work
Position or the second spray station etc..Transfer robot 104 preferably includes vacuum pump and sucker, is grabbed in a manner of using vacuum suction
Take pallet.
The device of present embodiment further includes the delivery platform 103 for delivery tray.Delivery platform 103, which is located at, to be molded as
The upstream in the downstream and plastic-coated equipment of type equipment 101, and drying equipment 102 is set at delivery platform 103.That is,
After molded equipment 101 produces pallet, can directly it be conveyed via delivery platform 103, it, can be with during conveying
It is dried by drying equipment 102.
Further, delivery platform 103 has the pick-and-place station positioned at delivery end, to facilitate spray robot to be captured
And placement.Pallet after drying is delivered to pick-and-place station, and in the state that delivery platform 103 stops, spray robot
Capture pallet.After the first surface spray painting of pallet, needs to be delivered to pick-and-place station again via transfer robot 104 and wait for polyureas
Paint solidification.Can cure quickly in order to facilitate polyureas paint, temperature-adjusting device 111 can be provided at pick-and-place station so that
The polyureas paint of first surface cures.
The device of present embodiment further includes tray rack 107.Tray rack 107 is located at the downstream of spray robot, to place
Pallet to polyureas paint after second surface spray painting cures.Tray rack 107 is configured so that one or more pallet energy
Enough horizontal positioned and compartment of terrain are arranged.Preferably, tray rack 107 is configured so that pallet vertically place by compartment of terrain, with
Reduce floor space.
A kind of preparation method of flat pallet is provided according to the preferred embodiment of the present invention, and this method includes following step
Suddenly：
Molded step, foams plastic material is molded, form pallet；
Drying steps, to tray dried；And
Plastic-coated step, to the pallet spray polyurea paint after drying,
Wherein, in plastic-coated step, first to the first surface spray polyurea paint of pallet, polyureas paint solidification and then right is waited for
The second surface spray polyurea paint of pallet waits for forming flat pallet after the solidification of polyureas paint.
Referring to Fig.1, the above-mentioned dress for being used to prepare flat pallet may be used in the preparation method of the preferred embodiment of the present invention
It sets to realize.
Specifically, in molded step, foams plastic material is made of plastic foamed raw material.Plastic foamed raw material packet
Include at least one of flame retardant type EPS, graphene EPS, flame retardant type EPP.The weight of flat pallet is further reduced as a result,
The structural strength of flat pallet is improved, for example tensile strength, bending strength etc..Preferably, the unit weight general control of pallet is 25
~38Kg/m3, Weight control is in 2.0~5.0kg.
This method further includes the pallet supplying step after molded step and before plastic-coated step.It is conveyed in pallet
In step, using the pick-and-place station of 103 delivery tray of delivery platform to transfer robot 104, and carried out in transmission process
Drying steps are to improve production and processing efficiency.It should be noted that pallet preferably use it is horizontal positioned and with load-bearing surface upward
State conveying.
In plastic-coated step, the polyureas enamel-cover of selection includes component A and component B.
Component A is：Biphenyl methane diisocyanate prepolymer
Component B is：The bis- Zhong Ding aminodiphenylmethanes of diethyl toluene diamine, triethanolamine, 4,4'-, amine terminated polyether
D2000, amine terminated polyether T5000, carbon black, makrolon, antifoaming agent, dispersant and organobentonite.
Specifically, a kind of optimization formula of polyureas paint is：
Component A is：
110 parts of biphenyl methane diisocyanate prepolymer
B component is：
It should be noted that above-mentioned formula is a preferable example, the number of each component can be adjusted as needed.
Since the isocyanate group in component A can be reacted with the amino in B component, and reactivity is higher, therefore,
Before spraying, need respectively to store component A and B component.Two components are respectively connected to by different pipelines
The spray gun of spray robot.The mixing chamber of component A and B component in spray gun realizes that uniformly mixing is then sprayed into the table of pallet again
Face.
Biphenyl methane diisocyanate prepolymer in the present invention can be aromatic isocyanate prepolymer and fat
At least one of race's isocyanate prepolymer.
B component is made of amine terminated polyether, chain extender, auxiliary agent and pigment in the present invention.Wherein, amine terminated polyether is preferably
The Amino End Group polypropylene oxide ether glycol that molecular weight is 1000~5000.Chain extender is preferably diethyl toluene diamine, three ethyl alcohol
Amine and the bis- Zhong Ding aminodiphenylmethanes of 4,4'-.If necessary and/or it is expected, chain extender can also be such as MOCA (3,3'-
Two chloro- 4,4'- diaminodiphenyl-methanes), glycerine, diamines or the dihydric alcohol such as diglycol.
B component preparation process is to be ground after mixing the auxiliary agents such as carbon black and makrolon, antifoaming agent.It is ground to certain
After fineness, remaining substance in B component is sequentially added, and carries out high speed dispersion and is made.
In the overall process of spray polyurea paint, the temperature of component A and B component is required to control between 60~88 DEG C, with
Guarantee forms good polyureas lacquer coat.
Plastic-coated step includes spray painting step.In step of painting, the spray robot for being located at spray station paints to pallet.
And spray robot can automatically control the coating thickness of the spray time and detection polyureas paint of polyureas paint, in this way can be right
The thickness intellectual monitoring of polyureas lacquer coat and control, to improve the product quality and production and processing efficiency of flat pallet.
Plastic-coated step further includes crawl step.In crawl step, pallet is captured by transfer robot 104 and is delivered to spray
Apply station, and the first surface of pallet or second surface towards spray robot to paint in the state of crawl.Further
Ground, during spray painting, transfer robot 104 captures pallet always, and the first surface of pallet or second surface can
Towards the spray gun of spray robot.Since spray gun can be moved relative to pallet, therefore, it is possible to quickly, relatively evenly paint.
In the shown embodiment, spray painting step is realized by two spray robots, is respectively：Positioned at the first spraying work
First spray robot 105 of position, to spray the first surface of pallet.And the second spraying robot positioned at the second spray station
People 106, to spray the second surface of pallet.In this way can be different with second surface spraying ingredient to the first surface of pallet it is poly-
Urea paint.
Preferably, the grasp mode of transfer robot 104 is vacuum suction mode.Transfer robot 104 is six-shaft industrial
Robot.
Plastic-coated step further includes the first curing schedule and the second curing schedule.In the first curing schedule, first surface spray
Pallet after paint is delivered to pick-and-place station by transfer robot 104 and adjusting ambient temperature makes polyureas paint cure.Pick-and-place station
The environment temperature at place is realized by above-mentioned temperature-adjusting device 111.In the second curing schedule, second surface paints it
Pallet afterwards is delivered to tray rack 107 by transfer robot 104 and adjusting ambient temperature makes polyureas paint cure.At tray rack 107
Environment temperature can be realized by temperature-adjusting device 112.Temperature-adjusting device 112 can be set to indoor or independent
Ground is set at tray rack 107.Preferably, the hardening time of the polyureas paint in the second curing schedule can be no more than 1 minute.
This method further includes after the drying step with the defect elimination step before plastic-coated step, and defect elimination step is for pallet
Carry out defect elimination inspection.Whether the appearance of main test pallet is qualified, if there are the defects of unrepairable.It can not be repaiied unqualified
Multiple pallet is scrapped, and prevents to enter next process.Specifically, the pallet after drying is delivered to defect elimination station by delivery platform 103
Desk checking presentation quality and electronic scale weighing afterwards, related data can automatically to be stored in intelligence control system.
This method further includes the installation step after defect elimination step, installs step additional and is used to install Internet of Things sensing element to pallet
Part.Specifically, at defect elimination station, it is carried out at the same time the installation of Internet of Things sensing element.Internet of Things sensing element is preferably RFID, the Big Dipper
One or both of positioning chip, GPS positioning chip.
In order to realize state of the pallet in drying steps and positioned at pick-and-place station, the mode pair of variable frequency adjustment may be used
The conveying speed of delivery platform 103 is adjusted.That is, the production line for realizing pallet conveying produces for frequency control
Line.
In order to enable flat pallet can reach preferably intensity and thickness, polyureas lacquer coat can be provided with two layers or two layers
More than.Thus, it is desirable to repeat the plastic-coated step of present embodiment at least once.That is, according to above-mentioned spraying process, it is right
The first surface and second surface of pallet at least spray polyureas paint twice.
Specifically, the preparation process of the flat pallet of embodiment shown in FIG. 1 is as follows：
Pallet is made by molded equipment 101 in foams plastic material.Pallet is delivered to drying by delivery platform 103
It is dried at equipment 102.Conveying pallet is then proceeded to defect elimination station, artificial progress defect elimination inspection and installation Internet of Things sensing element
Part.Conveying pallet is then proceeded to pick-and-place station.Then transfer robot 104 captures pallet and is delivered to the first spray station simultaneously
Rotary-tray makes spray gun of its first surface towards the first spray robot 105.In the state of crawl, the first spray robot
105 spray gun paints to the first surface of pallet.During spray painting, can adjust pallet position and spray gun position with
Uniformly spray painting.Then the conveying of transfer robot 104 pallet is back to pick-and-place station and waits for that polyureas paint cures.In the cured mistake of polyureas paint
Cheng Zhongxu adjusts temperature-adjusting device 111, controls solidification temperature and time.
Then to the second spray station, simultaneously rotary-tray makes its second surface towards second to the conveying pallet of transfer robot 104
The spray gun of spray robot 106.In the state of crawl, the spray gun of the second spray robot 106 sprays the second surface of pallet
Paint.During spray painting, the position of pallet and the position of spray gun can be adjusted uniformly to paint.Then transfer robot 104
Conveying pallet to tray rack 107 waits for that polyureas paint is formed by curing flat pallet.It needs to adjust temperature adjusting during polyureas paint is cured
Device 112 controls solidification temperature and time.Hardening time be preferably can make in this way within 1 minute the effect of coating compared with
It is good.
Finally, flat pallet product is delivered to pile area 108.When pile is to defined quantity and height, product removes
It is delivered to exfactory inspection area 109.
Second embodiment
As shown in Fig. 2, present embodiment the device for being used to prepare flat pallet and first embodiment be used to prepare it is flat
The structure and/or construction of the device of pallet are roughly the same, and use identical reference numeral.For brevity, identical or phase
As partly will not be described again.The difference is that device further includes the fleece-laying device 210 positioned at fleece-laying station.
Specifically, fleece-laying device 210 is constructed to be permeable to filament being uniformly layed in after the spraying of polyureas paint and solid
On the surface of pallet before change.Preferably, fleece-laying device 210 is the vibrating screen for spreading and screening for filament.
The vibrating screen can be provided with digital control system, to adjust vibration progress and Oscillation Amplitude etc..
According to another aspect of the present invention, the spraying process of the polyureas paint in the preparation method of present embodiment and the first reality
The spraying process for applying the polyureas paint in the preparation method of mode is roughly the same.For brevity, same or analogous part will not
It describes again.Unlike, the preparation method of present embodiment further includes the fleece-laying step in plastic-coated step, and is repeated
Plastic-coated step at least once, for be laid with filament after pallet spray polyurea paint to cover filament.Due to not solid
The polyureas paint of change has certain viscosity, enables to filament to be attached to polyureas and paints.Flat pallet can be formed multiple as a result,
Polyureas lacquer coat and the fibrous layer between polyureas lacquer coat.
In fleece-laying step, filament is uniformly laid with to pallet after the spraying of polyureas paint and before solidification.Due to
Fibrous layer has certain pulling force and toughness, enabling the intensity for further increasing flat pallet makes it meet dynamic load, quiet
It carries, shelf carry and the performance requirements such as impact resistance.And the texture for lifting panel surface can also be improved, improve the effect of appearance.It is excellent
Selection of land, filament are glass fibre.
Specifically, in the shown embodiment, the pallet after transfer robot 204 paints first surface is delivered to fibre
Dimension be laid with station, and the first surface of pallet towards the outlet (filametntary outlet) of fleece-laying device 210 to capture
In the state of be laid with filament.After first surface completes filament, pallet is delivered to pick-and-place station by transfer robot 204 and waits for
Polyureas paint cures.Then it paints to the second surface of pallet.Transfer robot 204 second surface is painted after pallet again
It is delivered to fleece-laying station, and the second surface of pallet is approximately towards the outlet of fleece-laying device 210 in crawl
It is laid with filament under state.After second surface completes filament, pallet is delivered to tray rack 207 by transfer robot 204 and waits for
Polyureas paint cures.It should be noted that the manipulator of transfer robot 204 can make with relative motion with the direction of adjusting tray
Its surface can be uniformly distributed filament.
Further, the pallet after fibrous layer being formed carries out the spraying of polyureas paint again.By the pallet on tray rack
It respectively paints again to the first surface and second surface of pallet according to the painting process of first embodiment, to be formed
The flat pallet of surfacing.
In order to enable flat pallet can reach preferably intensity and thickness, polyureas lacquer coat can be provided with two layers or two layers
More than.Thus, it is desirable to repeat the plastic-coated step of present embodiment at least once.That is, according to above-mentioned spraying process, it is right
The first surface and second surface of pallet at least spray polyureas paint twice.
In a not shown embodiment, since first surface is load-bearing surface, if necessary and/or it is expected, it can be only
Filament is uniformly laid with to the first surface of pallet, so as to only form fibrous layer in first surface.
It should be noted that the flat pallet in the above embodiment includes bearing panel and support base.Can be that nine feet are flat
Pallet.For further including the flat pallet of bottom plate, for example river word foot flat pallet and two-sided flat pallet.During preparation, first
First surface spray painting to pallet.Then it after waiting for the solidification of polyureas paint, paints to the second surface of pallet.Then solid in polyureas paint
Mounting base before change.Then it waits for that the junction and bottom plate of bottom plate and support leg being painted after the solidification of polyureas paint.Most
Pallet after spray painting is completed afterwards is positioned over tray rack to polyureas paint and cures, and pile removes after solidification.
The above embodiment provided by the invention has the following advantages that：
1) due to using high-strength polyureas paint and foams plastic material so that flat pallet has superior mechanical performance, ultralight
Weight, alternative tradition is wooden and the logistics flat pallet of plastics.
2) rejection rate is almost nil, further saves material and reduces energy consumption, reduces pallet manufacturing cost.
3) flat pallet of high-strength ultralight molding is especially suitable for air transportation field, can be that client saves air freight, be state
Family and society save Aviation Fuel, reduce logistics cost.And reduce discharge conservation of nature and the living environment of carbon.
4) flat pallet can more easily install such as RFID, Big Dipper positioning chip and GPS positioning chip additional, cold to realize
The logistics of chain wisdom and military project logistics, extend the service life of product.
5) it is not limited by mold and plastic uptake equipment size, may customize super large-scale special size logistics flat pallet.
6) above-mentioned preparation method and preparation facilities can be also used for preparing other products.Such as：The houses EPS, TV ＆ Film City and
Stage property, logistics sorting transmission unit, segregation of traffic fence, roadblock, furniture etc..
Unless otherwise defined, those skilled in the art of technical and scientific term used herein and the present invention
Normally understood meaning is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limitation is originally
Invention.The terms such as herein presented " portion ", " part " can both indicate single part, can also indicate multiple parts
Combination.The terms such as herein presented " installation ", " setting " can both indicate that a component was attached directly to another portion
Part can also indicate that a component is attached to another component by middleware.It describes in one embodiment herein
Feature can be applied to another embodiment in combination individually or with other features, unless this feature is in another implementation
It is not suitable for or is otherwise noted in mode.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to
The purpose of citing and explanation, and be not intended to limit the invention within the scope of described embodiment.In addition people in the art
It is understood that the invention is not limited in above-described embodiment, introduction according to the present invention can also be made more kinds of member
Variants and modifications, these variants and modifications are all fallen within scope of the present invention.Protection scope of the present invention by
The appended claims and its equivalent scope are defined.
Claims (20)
1. a kind of preparation method of flat pallet, which is characterized in that include the following steps：
Molded step：Foams plastic material is molded, form pallet；
Drying steps：To the tray dried；And
Plastic-coated step：To the pallet spray polyurea paint after drying,
Wherein, in the plastic-coated step, first to the first surface spray polyurea paint of the pallet, wait for that the polyureas paint cures it
Afterwards, it then to the second surface spray polyurea paint of the pallet, waits for forming the flat pallet after the polyureas paint solidification.
2. preparation method according to claim 1, which is characterized in that further include the fleece-laying in the plastic-coated step
Step is uniformly laid with fibre after polyureas paint spraying and before solidification in the fleece-laying step to the pallet
Tie up silk.
3. preparation method according to claim 1, which is characterized in that the plastic-coated step includes spray painting step, described
In step of painting, painted to the pallet using the spray robot positioned at spray station.
4. preparation method according to claim 3, which is characterized in that in the spray painting step, control the polyureas paint
Spray time and detect the coating thickness of the polyureas paint.
5. preparation method according to claim 3, which is characterized in that the plastic-coated step further includes crawl step, in institute
It states in crawl step, the pallet is captured by transfer robot and is delivered to the spray station, and the pallet is described
First surface or the second surface are towards the spray robot to paint in the state of crawl.
6. preparation method according to claim 5, which is characterized in that the grasp mode of the transfer robot is inhaled for vacuum
Subsidiary formula formula and/or the transfer robot are six-shaft industrial robot.
7. preparation method according to claim 5, which is characterized in that further include after the molded step and institute
The pallet supplying step before plastic-coated step is stated, in the pallet supplying step, the pallet is transmitted extremely using delivery platform
The pick-and-place station of the transfer robot, and the drying steps are carried out in transmission process.
8. preparation method according to claim 7, which is characterized in that the plastic-coated step further includes the first curing schedule,
In first curing schedule, the pallet after the first surface spray painting is delivered to the pick-and-place by the transfer robot
Station and adjusting ambient temperature make the polyureas paint cure.
9. preparation method according to claim 5, which is characterized in that the plastic-coated step further includes the second curing schedule,
In second curing schedule, the pallet after the second surface spray painting is delivered to tray rack simultaneously by the transfer robot
Adjusting ambient temperature makes the polyureas paint cure.
10. preparation method according to claim 1, which is characterized in that the foams plastic material is by plastic foamed raw material
It is made, the plastic foamed raw material includes at least one of flame retardant type EPS, graphene EPS, flame retardant type EPP.
11. preparation method according to claim 1, which is characterized in that repeat the plastic-coated step at least once.
12. a kind of device being used to prepare flat pallet, which is characterized in that including：
Molded equipment, the molded equipment are used for foams plastic material is molded to form pallet；
Drying equipment, the drying equipment are located at the downstream of the molded equipment, for the tray dried；And
Plastic-coated equipment, the plastic-coated equipment are located at the downstream of the drying equipment, poly- for being sprayed to the pallet after drying
Urea paint is to form the flat pallet.
13. device according to claim 12, which is characterized in that described device further includes the fibre positioned at fleece-laying station
Laying apparatus is tieed up, pallet filament being uniformly layed in after spray painting.
14. device according to claim 12, which is characterized in that the plastic-coated equipment includes the spraying positioned at spray station
Robot, with to the pallet first surface and second surface successively respectively paint.
15. device according to claim 14, which is characterized in that when the spray robot is provided with for controlling spraying
Between sensing device and detection device for detecting coating thickness.
16. device according to claim 14, which is characterized in that the plastic-coated equipment includes being located at the first spray station
First spray robot, first spray robot are located at the downstream of the drying equipment to paint to the first surface；
And
Positioned at the second spray robot of the second spray station, second spray robot is located at first spray robot
Downstream with to the second surface paint.
17. device according to claim 14, which is characterized in that the plastic-coated equipment further includes for capturing the pallet
Transfer robot, by the first surface of the pallet or the second surface towards the spray robot and
It paints in the state of crawl.
18. device according to claim 14, which is characterized in that described device further includes tray rack, the tray rack position
In the downstream of the spray robot, cured with placing pallet to the polyureas paint after the second surface spray painting.
19. device according to claim 14, which is characterized in that described device further includes for transmitting the defeated of the pallet
Platform, the delivery platform is sent to be located at the upstream in the downstream and the plastic-coated equipment of the molded equipment, and described dry
Dry equipment is set at the delivery platform.
20. device according to claim 19, which is characterized in that the delivery platform has pick-and-place station, is grabbed described
It puts and is provided with temperature-adjusting device at station so that the polyureas paint of the first surface cures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175984.5A CN108407343A (en) | 2018-03-02 | 2018-03-02 | The preparation method of flat pallet and the device for being used to prepare flat pallet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175984.5A CN108407343A (en) | 2018-03-02 | 2018-03-02 | The preparation method of flat pallet and the device for being used to prepare flat pallet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108407343A true CN108407343A (en) | 2018-08-17 |
Family
ID=63129602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810175984.5A Pending CN108407343A (en) | 2018-03-02 | 2018-03-02 | The preparation method of flat pallet and the device for being used to prepare flat pallet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108407343A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575337A (en) * | 2018-11-13 | 2019-04-05 | 东北大学 | A kind of ultra-light ultra-strong macromolecule/inorganic material composite pallet and preparation method thereof |
| CN110712823A (en) * | 2019-10-18 | 2020-01-21 | 合肥美的电冰箱有限公司 | Packaging and reinforcement process |
| EP4085097A4 (en) * | 2019-11-06 | 2024-01-03 | Verte Technologies, LLC | Polymer composition and process for coating expanded polystyrene with the polymer composition |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199393A (en) * | 2010-03-23 | 2011-09-28 | 李哉勋 | Surface coating comoound and coating method for a plate |
| CN102952318A (en) * | 2012-10-19 | 2013-03-06 | 芜湖太平洋塑胶有限公司 | Toughened plastic tray and preparation method thereof |
-
2018
- 2018-03-02 CN CN201810175984.5A patent/CN108407343A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199393A (en) * | 2010-03-23 | 2011-09-28 | 李哉勋 | Surface coating comoound and coating method for a plate |
| CN102952318A (en) * | 2012-10-19 | 2013-03-06 | 芜湖太平洋塑胶有限公司 | Toughened plastic tray and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575337A (en) * | 2018-11-13 | 2019-04-05 | 东北大学 | A kind of ultra-light ultra-strong macromolecule/inorganic material composite pallet and preparation method thereof |
| CN110712823A (en) * | 2019-10-18 | 2020-01-21 | 合肥美的电冰箱有限公司 | Packaging and reinforcement process |
| EP4085097A4 (en) * | 2019-11-06 | 2024-01-03 | Verte Technologies, LLC | Polymer composition and process for coating expanded polystyrene with the polymer composition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108407343A (en) | The preparation method of flat pallet and the device for being used to prepare flat pallet | |
| EP1937475B1 (en) | Composite articles comprising protective sheets and related methods | |
| US20150038032A1 (en) | Impact resistant door skin, door including the same, and method of manufacturing an impact resistant door skin from a pre-formed door skin | |
| CN107107510A (en) | Manufacturing method of shoes | |
| CN103897347A (en) | Thermosetting resin composition, and prepreg and laminated board prepared from the resin composition | |
| EP2463093A1 (en) | Articles comprising protective sheets and related methods | |
| TW200540070A (en) | Pallet and method for manufacturing the same | |
| US20090000245A1 (en) | Methods of manufacturing acoustical sound proofing material | |
| CN103318277B (en) | The production technology of cover plate of spare tire of automobile | |
| CZ291129B6 (en) | Process for preparing synthetic foam, synthetic foam as such and use thereof | |
| US20110115113A1 (en) | Method and manufacturing a glass fiber reinforced article, and a glass fiber feinforced article | |
| US20130078417A1 (en) | Semifinished product for the production of fibre composite components based on stable polyurethane compositions | |
| US10265937B2 (en) | Method and apparatus for manufacturing a sandwich component | |
| JP7528075B2 (en) | Panel structure as an automobile part, manufacturing method of said panel structure and method of using said panel structure | |
| US20120263931A1 (en) | Light weight composite structural support material having natural oil and polyol foam bonded directly between substrates | |
| US5965207A (en) | Method of applying a polyurethane coating on engineered particleboards | |
| CN101709558A (en) | Immersion decorative paper and manufacturing method thereof | |
| CN106149508A (en) | The preparation method of the precast type polyurethane skin layer on athletic ground and the preparation method on athletic ground thereof | |
| CN111662605B (en) | Modified composite reinforced material and antibacterial wear-resistant light tray | |
| US10479030B2 (en) | Method for applying fibre material on a vertical surface of a web of a wind turbine blade | |
| CN109591427A (en) | A kind of spraying production technology of vehicular coat and hat rack | |
| US20230193627A1 (en) | Ceiling tile and assembly constructed of recycled materials | |
| KR101572922B1 (en) | Apparatus of manufacturing of fiber products | |
| CN104311804A (en) | Preparation method of polyester resin | |
| CN103590258A (en) | Cleaning production technology for fur-wool integrated fur |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |