CN106945224A - The integrated drawing method of combined type sericulture frame - Google Patents
The integrated drawing method of combined type sericulture frame Download PDFInfo
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- CN106945224A CN106945224A CN201710089713.3A CN201710089713A CN106945224A CN 106945224 A CN106945224 A CN 106945224A CN 201710089713 A CN201710089713 A CN 201710089713A CN 106945224 A CN106945224 A CN 106945224A
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- combined type
- frame
- waste plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3835—Designing moulds, e.g. using CAD-CAM
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2012/00—Frames
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses the integrated drawing method of combined type sericulture frame, comprise the following steps：(1) silkworm mount structure is designed using orthogonal experiment；(2) optimal shaping scheme is obtained using Moldflow analytic approach；(3) composition forms die assembly after mould processing；(4) waste plastics recovery is utilized；(5) raw material and available waste plastics hybrid process；(6) in distribution raw material at most platform injection machine, from injection machine simultaneously to correspondence mold injection, final molding.The present invention is directed to defect of the prior art, is molded a whole set of sericulture frame using integrated mode, not only lifts its suitability each other, and one-time formed silkworm frame quantity is more, and production efficiency is high；The combined type silkworm frame compares more existing silkworm frame, more preferable to space availability ratio, and more silkworms can be cultivated in unit area, sericulture efficiency is obviously improved.
Description
Technical field
The present invention relates to a kind of forming method of frame of plastic, more particularly, to the one of a kind of sericulture frame being made up of multiple frames
Body drawing method.
Background technology
Silkworm is commonly called as silkworm, also known as silkworm, one of economic insects that the spinning by foodstuff of mulberry leaf is cocoond.Belong to Lepidoptera,
Bombycidae.Silkworm is originating from China, and its developmental temperature is 7-40 DEG C, and feeding thermophilic is 20-30 DEG C, is mainly distributed on temperate zone, Asia
The torrid zone and torrid areas.
The all one's life of silkworm passes through the time of silkworm seed-newly-hatched silkworm-silkworm-silk cocoon-silkworm moth, more than totally four ten days.Just from ovum
Hatch the silkworm color come pitch-dark, be referred to as " newly-hatched silkworm ", fine, soft fur covered with it, about fine, soft fur cannot not be obvious two days later.Newly-hatched silkworm
Go out after shell, it just starts decortication after nursing a period of time, and the time of one day is there are about during decortication, be referred to as " dormancy ".By once taking off
Pi Hou, grows into second instar larvae, and silkworm will peel four times altogether, just starts spinning as five-age larva and cocoons.
Silkworm cultivation is typically raised using small bamboo frame, and this group's mount structure is simple, easily manufactured, can hand woven, into
This is cheap；Social development therewith, silk demand can not be met by only relying on silkworm cultivation, therefore batch production is bred silkworms and grown stronger day by day；Will
Traditional small frame of building is applied in batch production sericulture, it was found that the drawbacks of many:
1st, because batch production sericulture is of large quantities, and these small bamboo baskets stack inconvenience, it is necessary to substantial amounts of space be taken, for changing
Need the factory building of large area, be inconvenient；
2nd, small bamboo basket mechanical property is low, fragile, and service life is short.
Due to many drawbacks of small bamboo basket, gradually it is eliminated in batch production sericulture, and plastic silkworm frame is arisen at the historic moment, it is existing
Plastic silkworm frame be mostly absolute construction, the space availability ratio to factory building is not high, and the sericulture quantity of unit area is few；And in manufacture
During, it is necessary to process one by one, inefficiency.
The content of the invention
It is an object of the invention to provide the integrated drawing method of combined type sericulture frame, lack for of the prior art
Fall into, a whole set of sericulture frame is molded using integrated mode, its suitability each other, and one-time formed silkworm is not only lifted
Frame quantity is more, and production efficiency is high；The combined type silkworm frame compares more existing silkworm frame, unit area more preferable to space availability ratio
It is interior to cultivate more silkworms, it is obviously improved sericulture efficiency.
In order to solve the above-mentioned technical problem, adopt the following technical scheme that：
The integrated drawing method of combined type sericulture frame, it is characterised in that comprise the following steps：
(1) silkworm mount structure is designed：Multigroup combined type sericulture mount structure is set up, combined type sericulture frame is by N number of silkworm frame unit group
Into N >=3；Each group silkworm frame is detected using orthogonal experiment, combined type sericulture mount structure is determined according to testing result；
(2) it is molded conceptual design：B, according to step (1) result, set up combined type sericulture frame model；C, setup parameter, ginseng
Number includes analysis type, moulding material and technological parameter；D, using Moldflow analyze combined type sericulture frame model, according to analysis
As a result shaping scheme is determined；
(3) mould is processed：First according to the structure of combined type sericulture frame in the step (1) and the step (2) into
Type scheme, separately designs the mould of N number of silkworm frame unit, and above-mentioned mould then is carried out into numerical control machine-shaping；Make and above-mentioned mould
Have the framework being mutually matched, each mould is fixed in framework, form die assembly；Trial operation is carried out to the die assembly,
Detect its stability；
(4) waste plastics recovery：The waste plastics produced during shaping sericulture frame is collected, waste plastics can use after processing
Waste plastics；
(5) raw material are processed：Moulding material obtained by step (2) is taken, will be available useless in moulding material and the step (4)
Plastics are mixed at 220 DEG C and persistently stirred in hot-working 30-50min, hot procedure, obtain melting charge；Melting charge is divided into N
Part, pigment or phenolic antioxidant are added into each part melting charge according to design requirement, granulation after cooling obtains N parts of particulate materials；
(6) silkworm frame is molded：It is molded using N platforms injection machine, N parts of particulate materials is separately added into N platform injection machines；According to described
The shaping scheme of step (2), all injection machines inject particulate material to correspondence mould simultaneously, and particulate material is molded in a mold, after
Processing obtains combined type sericulture frame.
It is preferred that after, the orthogonal experiment detailed process in the step (1) is：Multigroup combined type sericulture frame is distinguished first
Labeled as sample 1, sample 2, sample 3 ..., sample X, test group 1, test group 2, test group are set up according to each sample respectively
3rd ..., test group X；By sample 1, sample 2, sample 3 ..., sample X be manufactured and come into operation, detect the power of each experiment
Performance and adult rate are learned, combined type sericulture mount structure is determined according to testing result.
It is preferred that after, set up concretely comprising the following steps for combined type sericulture frame model in step (2) b：According to the knot of step (1)
Really, set up combined type sericulture frame model and import in Moldflow, set up analysis model, mesh generation, root are carried out to the model
According to the type and size of setting grid is needed, ready-portioned grid is tested to modification；Then the position of cast gate is set, and
And running gate system and cooling system are created, determine size and the position of sprue, runner and cooling water channel.
It is preferred that after, analysis model uses Cross-WLF models, and Cross-WL are a viscosity moulds being made up of 7 parameters
Type, model expression is：
Wherein：
In formula 2：T is the glass transition temperature of moulding material；
D1、A1、A2For model constants；
D2To correspond to the glass transition temperature under low pressure；
D3For Pressure affection Factor, the pressure dependency of viscosity is represented；
It is preferred that after, the framework in the step (3) is divided into N areas, adjacent region by being made just now according to the number of silkworm frame unit
Between using dividing plate separation, dividing plate isolation adjacent region；Correspondence mould is placed per area, and is fixed temporarily using bolt retainer.
It is preferred that after, the processing procedure of waste plastics is in the step (4)：A, disassemble waste plastics；B, broken waste plastics are through simultaneously
It is machined to the granularity and grain shape consistent with moulding material；C, using light method continuous sorting is selected to go out available waste plastics, except impurity elimination
Matter；D, cleaning can use waste plastics；E, add reinforcing fiber in available waste plastics physical modification is carried out to it；F, with chemical machinery
Method sloughs the halogen in available waste plastics.
It is preferred that after, in step (5) hot procedure, moulding material and available waste plastics are warming up to 80 DEG C first,
Preheat at such a temperature and start after the completion of 5-8min, preheating stirring, control stir speed (S.S.) for 550r/min, be then gradually heating to
220 DEG C, stir speed (S.S.) is accelerated to 850r/min, hot-working 45min, obtains melting charge.
It is preferred that after, the process of post processing is in the step (6)：After shaping, first pressurize cooling is carried out at finishing after cooling
Combined type sericulture frame is made in reason.
Due to using above-mentioned technical proposal, have the advantages that：
The present invention is the integrated drawing method of combined type sericulture frame, for defect of the prior art, using integration
Mode is molded a whole set of sericulture frame, not only lifts its suitability each other, and one-time formed silkworm frame quantity is more, production
Efficiency high；The combined type silkworm frame compares more existing silkworm frame, more preferable to space availability ratio, can be cultivated in unit area more
Silkworm, be obviously improved sericulture efficiency.Its specific excellent effect show as it is following some：
1st, in combined type sericulture mount structure design process, using each combined type sericulture mount structure of orthogonal experiment analogy,
Screened using mechanical property and adult rate as index, the optimal combined type sericulture mount structure drawn；The test method science
Rationally, obtain that combined type sericulture frame is practical, adult rate high, result in excellent rearing effect.
2nd, Moldflow carries out simulation analysis for combined type sericulture frame forming process, using plastic moulding process as object,
Using plastics flow theory, finite elements and numerical simulation scheduling theory as support, in convenient efficient mode to plastic moulding process
It is simulated, the result of simulation can provide reference for the production time.It can be seen that combined type sericulture frame after being analyzed through Moldflow
The change and distribution of filling process, temperature field, pressure field in forming process, and combined type sericulture frame shape；So as to excellent
Select the technological parameters such as shaping scheme, mold temperature, dwell pressure and the dwell time of casting system；Based on the excellent of the theory
Change, the combined type sericulture frame rearing effect of shaping is excellent, throw and raise convenient, adult rate is high, bring huge economic benefit and society
Benefit；And avoid the situation that waste of material is caused during experimental study.
3rd, plastic waste is recycled in the present invention, realizes refuse reclamation, not only save substantial amounts of former material
Material, reduces cost；And threat of the plastic waste to Land Environment and water environment has been effectively eliminated, meet sustainable development
Production theory.
4th, the mould of each silkworm frame unit is fixed using framework, convenient to be managed collectively, after shaping, each silkworm frame unit is mutual
Between more match；
5th, in forming process, melting charge many parts have been divided into according to the number of silkworm frame unit, independent one of every part of use
In injection machine injection correspondence mould, it can assign each silkworm frame unit different color and characteristic, design ingenious.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the integrated drawing method of combined type sericulture frame of the present invention；
Fig. 2 is the structural representation of combined type sericulture frame in embodiment；
Fig. 3 is the structural representation of silkworm frame one in embodiment；
Fig. 4 be Fig. 3 in A to structural representation；
Fig. 5 is the structural representation of silkworm frame two in embodiment；
Fig. 6 be Fig. 5 in B to structural representation；
Fig. 7 is the structural representation of silkworm frame three in embodiment；
Fig. 8 be Fig. 7 in C to structural representation；
Fig. 9 is the block schematic illustration of fixing mould.
Embodiment
As shown in Figure 1 to 9, the present invention is the integrated drawing method of combined type sericulture frame, is achieved by the steps of：
(1) silkworm mount structure is designed：
5 groups of combined type sericulture mount structures are set up, test group 1, test group 2, test group 3, experiment are respectively labeled as by this 5 groups
Group 4 and test group 5；Wherein, the sample in test group 1 is sample 1, and the sample in test group 2 is the examination in sample 2, test group 3
Sample is sample 3, and the sample in test group 4 is that the sample in sample 4, test group 5 is sample 5；The concrete structure of each sample such as table 1
It is shown：
The sample 1 of table 1 to sample 5 design feature
Sample 1, sample 2, experiment 3, sample 4 and sample 5 are manufactured, the mechanical property of each sample is detected；And will
Said sample comes into operation under the same conditions, detects the adult rate of silkworm in each sample, the inspection of mechanical property and adult rate
Survey result as shown in table 2：
The sample 1 of table 2 to sample 5 mechanical property and adult rate
As shown in Table 2, the mechanical property of sample 5 (as illustrated in figs. 2 through 8) and sample 1, sample 4 are very nearly the same, but have excellent
Into middle rate, and sample 1 is because, without air circulation, adult rate is extremely low inside it；It is during 4, it is found that it was manufactured in manufacture
Journey is complicated, the expense that wastes time and energy material；Summary testing result, preferably goes out the structure of the combined type sericulture frame of sample 5.
As shown in Fig. 2 to Fig. 8, sample 5 is as silkworm frame 1 (shown in Fig. 3), silkworm frame two (shown in Fig. 5), (Fig. 7 institutes of silkworm frame 33
Show) composition, silkworm frame 1, silkworm frame 22, silkworm frame 33 from top to bottom stack gradually composition combined type sericulture frame
(2) it is molded conceptual design：
A, the structure according to sample 5, set up combined type sericulture frame model；And import in Moldflow, analysis model is set up,
Mesh generation is carried out to the model, the type and size of grid is arranged as required to, ready-portioned grid is tested to repairing
Change；Then the position of cast gate is set, and creates running gate system and cooling system, sprue, runner and cooling water channel is determined
Size and position.
B, setup parameter：
1. analysis type：Analysis model uses Cross-WLF models, Cross-WL be one be made up of 7 parameters it is glutinous
Model is spent, model expression is：
Wherein：
In formula 2：T is the glass transition temperature of moulding material；
D1、A1、A2For model constants；
D2To correspond to the glass transition temperature under low pressure；
D3For Pressure affection Factor, the pressure dependency of viscosity is represented；
2. molding material：
3. technological parameter is set；
C, using Moldflow analyze combined type sericulture frame model, shaping scheme is determined according to analysis result；
The final shaping scheme preferably gone out is as shown in table 3；
The preferred shaping scheme of table 3
(3) mould is processed：
First according to the shaping scheme of the structure of combined type sericulture frame and the step (2) in the step (1), set respectively
The mould of 3 silkworm frame units is counted, above-mentioned mould is then subjected to numerical control machine-shaping：
Roughing：Layered milling is carried out using nose of an ox milling cutter, is cut with cycloidal type and is kept the continuity of cutting feed and cut
Cut the stability of load；Then semifinishing is carried out using fixing axle Surface contour milling, and leaves on mould finished surface ratio
More uniform surplus.The processing mode can effectively cut off the various tool marks that roughing tool leaves.And process table in mould
Left on face than more uniform surplus；
2. finish：Using fixing axle Surface contour milling, most of surplus that roughing leaves is removed；In finishing passes
In, according to High Speed Machining Strategy fairing cutter path, keep chip-load constant；
3. clean-up machining：Clean-up machining operation is performed using flat-end cutter, cutting direction is automatically determined front and rear suitable with processing
Sequence, and optimize back chipping result knife rail；Wherein, during clean-up machining, cutter keeps contacting with workpiece surface, reduces non-cutting fortune
The dynamic time.
Mould one, mould two and mould three are made after above-mentioned processing；Make the framework being mutually matched with above-mentioned mould (such as
Shown in Fig. 9), the framework is divided into area 1, area 2 17 and area 3 18；Area 1 is mutually matched with mould one, for fixing mould
One, area 2 17 is mutually matched with mould two, for fixing mould two, and area 3 18 is mutually matched with mould three, for fixing mould
Three；Bolt retainer 19 is provided with area 1, area 2 17 and area 3 18, inwardly tightening bolt retainer 19 can fix pair
The mould answered, it is very convenient.
Die assembly is formed after mould one, mould two and mould three are fixed in framework, the die assembly is tried
Operation, detects its stability；
(4) waste plastics recovery：The waste plastics produced during shaping sericulture frame is collected, waste plastics can use after processing
Waste plastics：
A, disassemble waste plastics；
B, broken waste plastics pass through and are machined to the granularity and grain shape consistent with moulding material；
C, select using light method continuous sorting to go out polystyrene waste plastics, remove impurity；
D, cleaning polystyrene waste plastics；
E, in polystyrene waste plastics add reinforcing fiber physical modification is carried out to it；
F, the halogen sloughed with chemical mechanical pulping in polystyrene waste plastics.
(5) raw material are processed：, polystyrene and polystyrene waste plastics are warming up to 80 DEG C first, at such a temperature in advance
Start stirring after the completion of hot 5-8min, preheating, it is 550r/min to control stir speed (S.S.), be then gradually heating to 220 DEG C, stirring speed
Rate is accelerated to 850r/min, hot-working 45min, obtains melting charge.
Melting charge is divided into 3 parts, 3 parts of melting charges and adds phenolic antioxidant, and indigo plant is added in wherein a melting charge
Color pigment, after cooling granulation obtains 3 parts of particulate materials；
(6) silkworm frame is molded：It is molded using 3 injection machines, N parts of particulate materials is separately added into N platform injection machines；According to described
The shaping scheme of step (2), all injection machines inject particulate material to correspondence mould simultaneously, and particulate material is molded in a mold, wherein
Technological parameter is as shown in table 3 in forming process；After shaping, the first pressurize 15-35s under 6-9Mpa, then 20-70s is cooled down, after cooling
Carry out finishing processing and combined type sericulture frame is made.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technique effect is realized, made ground simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (8)
1. the integrated drawing method of combined type sericulture frame, it is characterised in that comprise the following steps：
(1) silkworm mount structure is designed：Multigroup combined type sericulture mount structure is set up, combined type sericulture frame is made up of N number of silkworm frame unit, N
≥3；Each group combined type sericulture frame is detected using orthogonal experiment, combined type sericulture frame knot is determined according to testing result
Structure；
(2) it is molded conceptual design：A, according to step (1) result, set up combined type sericulture frame model；B, setup parameter, parameter bag
Include analysis type, moulding material and technological parameter；C, using Moldflow analyze combined type sericulture frame model, according to analysis result
It is determined that shaping scheme；
(3) mould is processed：First according to the shaping side of the structure of combined type sericulture frame and the step (2) in the step (1)
Case, separately designs the mould of N number of silkworm frame unit, and above-mentioned mould then is carried out into numerical control machine-shaping；Make and above-mentioned mould phase
The framework mutually matched, each mould is fixed in framework, forms die assembly；Trial operation, detection are carried out to the die assembly
Its stability；
(4) waste plastics recovery：The waste plastics produced during shaping sericulture frame is collected, waste plastics obtains available useless modeling after processing
Material；
(5) raw material are processed：Moulding material obtained by step (2) is taken, by the available waste plastics in moulding material and the step (4)
Mix and persistently stirred in hot-working 30-50min, hot procedure at 220 DEG C, obtain melting charge；Melting charge is divided into N parts,
Pigment or phenolic antioxidant are added into each part melting charge according to design requirement, granulation after cooling obtains N parts of particulate materials；
(6) silkworm frame is molded：It is molded using N platforms injection machine, N parts of particulate materials is separately added into N platform injection machines；According to the step
(2) shaping scheme, all injection machines inject particulate material to correspondence mould simultaneously, and particulate material is molded in a mold, post-treated
Obtain combined type sericulture frame.
2. the integrated drawing method of combined type sericulture frame according to claim 1, it is characterised in that：In the step (1)
Orthogonal experiment detailed process be：First by multigroup combined type sericulture frame be respectively labeled as sample 1, sample 2, sample 3 ...,
Sample X, according to each sample set up respectively test group 1, test group 2, test group 3 ..., test group X；By sample 1, sample 2, examination
Sample 3 ..., sample X be manufactured and come into operation, detect each experiment mechanical property and adult rate, it is true according to testing result
Determine combined type sericulture mount structure.
3. the integrated drawing method of combined type sericulture frame according to claim 1, it is characterised in that：In step (2) b
Set up concretely comprising the following steps for combined type sericulture frame model：According to the result of step (1), set up combined type sericulture frame model and import
In Moldflow, analysis model is set up, mesh generation is carried out to the model, the type and size of grid is arranged as required to, it is right
Ready-portioned grid is tested to modification；Then the position of cast gate is set, and creates running gate system and cooling system, it is determined that
Sprue, the size of runner and cooling water channel and position.
4. the integrated drawing method of combined type sericulture frame according to claim 3, it is characterised in that：Analysis model is used
Cross-WLF models, Cross-WL are a viscosity models being made up of 7 parameters, and model expression is：
Wherein：
In formula 2：T is the glass transition temperature of moulding material；
D1、A1、A2For model constants；
D2To correspond to the glass transition temperature under low pressure；
D3For Pressure affection Factor, the pressure dependency of viscosity is represented.
5. the integrated drawing method of combined type sericulture frame according to claim 1, it is characterised in that：In the step (3)
Framework by being made just now, according to the number of silkworm frame unit be divided between N areas, adjacent region using dividing plate separate, dividing plate isolation phase
Adjacent area；Correspondence mould is placed per area, and is fixed temporarily using bolt retainer.
6. the integrated drawing method of combined type sericulture frame according to claim 1, it is characterised in that：In the step (4)
The processing procedure of waste plastics is：A, disassemble waste plastics；B, broken waste plastics pass through and be machined to the granularity consistent with moulding material and
Grain shape；C, select using light method continuous sorting to go out available waste plastics, remove impurity；D, cleaning can use waste plastics；E, available
Reinforcing fiber is added in waste plastics physical modification is carried out to it；F, the halogen in available waste plastics sloughed with chemical mechanical pulping.
7. the integrated drawing method of combined type sericulture frame according to claim 1, it is characterised in that：Step (5) heat
In process, moulding material and available waste plastics are warming up to 80 DEG C first, 5-8min is preheated at such a temperature, preheating is completed
After start stirring, control stir speed (S.S.) for 550r/min, is then gradually heating to 220 DEG C, stir speed (S.S.) is accelerated to 850r/min,
Hot-working 45min, obtains melting charge.
8. the integrated drawing method of combined type sericulture frame according to claim 1, it is characterised in that：In the step (6)
The process of post processing is：After shaping, first pressurize cooling carries out finishing processing and combined type sericulture frame is made after cooling.
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