CN105538637B - A kind of production technology of case and bag - Google Patents
A kind of production technology of case and bag Download PDFInfo
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- CN105538637B CN105538637B CN201510938629.5A CN201510938629A CN105538637B CN 105538637 B CN105538637 B CN 105538637B CN 201510938629 A CN201510938629 A CN 201510938629A CN 105538637 B CN105538637 B CN 105538637B
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- case
- bag
- mould
- temperature
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Classifications
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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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- 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
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of production technology of case and bag, mixed material of the invention by using ABS and PC, injection difficult point in solving production technology while structural strength and shock resistance is ensured, increase is directed to the temperature control device of mould in technological process, temperature to mould molding chamber perisporium before raw material enters mould molding chamber is controlled, raw material at first is set to keep the molten condition of a period of time after mould molding chamber is entered, until all raw materials all enter after mould molding chamber, it is cooled and shaped again, eliminate at first into the situation in uneven thickness of case and bag caused by the time difference between mould and the raw material for finally entering mould, keep the time consistency of cooling, advantageously reduce the percent defective of case and bag injection, preferably control production cost.
Description
Technical field
The present invention relates to technical field of producing, more specifically, it relates to a kind of production technology of case and bag.
Background technology
As the main equipment of trip, effect of the case and bag in route is of crucial importance, and it is the to provide outstanding protection for luggage
One important business.It is therefore desirable to which it not only has containment, while also to have the functions such as anti-extrusion, waterproof, anticollision, especially case
Bag will accommodate luggage, therefore the weight of reduction case and bag in itself is also what people were pursued to greatest extent.
With the continuous improvement of people's living standards, high-grade ABS casees have become the main case and bag material that people like.
At present, the universal market ABS case and bag of in the market, its material is main by acrylonitrile (A), butadiene (B), three kinds of materials of styrene (S)
The resin material of material composition is made, and is that one kind had not only had certain toughness but also had rigid material.The case and bag being made of the material,
Its advantage is：It will not also decline rapidly with higher impact strength and impact strength this at low temperature；Next has
Higher case hardness, its hardness is between Rockwell 60-118；With good cold resistance, still there is certain machine at -40 DEG C
Tool intensity；With good oil resistivity, water resistance and chemical stability, water, inorganic salts, acid are had little to no effect, and
Insoluble in most of alcohols and hydro carbons.
But, the above-mentioned this case and bag being made up of ABS material also little by little expose some in use for many years and lacked
Fall into, exactly its limitation in terms of impact resistance, cause it by broken when being impacted more than its tension stress.Therefore,
Occurred in that the box material using noncrystal engineering material PC plastics as main material again in recent years, due to this PC engineering plastics, had
Particularly preferred impact strength, heat endurance, glossiness simultaneously have suppression bacteria characteristic, anti-flammability and resistance tocrocking simultaneously,
Have become the up-and-coming youngster in box material；Especially PC materials are very light, and the application in the case and bag for needing to carry is just
Its characteristic can more be embodied.But, although PC materials have good mechanical property, but flow behavior is poor, injection moulding process compared with
It is difficult.
The casing of existing draw-bar box uses plastic uptake technique by flat board plastic uptake into groove-like casing, by groove-like after shaping
The unnecessary material in casing port is cut off and shaping of polishing, and this results in the waste of corner material, and cost increase, production procedure is long,
The patent document of Application No. 201010613220.3 discloses a kind of blow molding production process for box body of draw-bar box, including is produced by below
Flow, 1. squeezes into PC raw materials in box body of draw-bar box mould in molten condition from injection hole；2. from the mould of box body of draw-bar box
Blow molding in injection hole, the pressure of the blow molding is 0.6~0.8MPa, and the box body of draw-bar box forming temperature is
230~260 DEG C, the box body of draw-bar box molding time 2~3 minutes；3. by the box body of draw-bar box of blow molding from mould
Taken out in tool；4. box body of draw-bar box is cut.In injection moulding process, because the raw material of molten condition is with very high
Temperature, and mould is relatively low relative to the temperature of molten condition raw material, between the two in the presence of the great temperature difference, and raw material is logical
Cross screw rod slowly be extruded into mould molding intracavitary, there are regular hour process, into mould and finally enter mould at first
Existence time is poor between the raw material of tool, and above-mentioned technical scheme does not carry out certain temperature control, mould to mould molding chamber
Interior raw material shaping is by way of quickly cooling down, case and bag is formed from molten condition to solid-state, and due to this time difference
Presence, cause the Time Inconsistency of cooling it is larger on the influence of the quality of case and bag so that the case and bag formed are in uneven thickness,
Cause higher manufacture mortality, larger production cost pressure is brought to enterprise, there are improvements in summary.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of production technology of case and bag,
To achieve the above object, the invention provides following technical scheme：A kind of production technology of case and bag, including following step
Suddenly：
Step A, ABS virgin materials and ABS secondary materials mixed be put into mixer in proportion, by 180 DEG C to 200 DEG C of high temperature
After removal moisture drying, dry ABS compounds are made；
Step B, PC material are put into mixer, after 100 DEG C to 120 DEG C high-temperature dehumidifications are dried, dry PC material are made；
It is step C, colorant is deployed, first pass through mixer 40 to 60 minutes, then after drying working process through high-temperature dehumidification,
Obtain allocating colorant；
The ABS mixing of drying described in step D, 3 to 4 parts, 100 to 200 parts step A of toughener by listed as parts by weight
Material puts into reactor together, is thrown into after being sufficiently stirred for by the allotment colorant in step C in reactor, after being sufficiently mixed uniformly
ABS raw materials are made；
The PC material one of drying described in step E, 3 to 4 parts, 100 to 200 parts step A of toughener by listed as parts by weight
Rise and put into reactor, thrown into after being sufficiently stirred for by the allotment colorant in step C in reactor, is sufficiently mixed uniform rear obtained
PC raw materials；
Step F, by obtained ABS raw materials and PC raw materials according to 1:2 to 2:1 ratio is put into mixer, is made into
Product compound；
Step G, by obtained finished product compound put into injection machine in, meanwhile, open temperature control device, temperature control device be used for control
The temperature of case forming chamber perisporium in molding jig, makes finished product compound be flowed in molten by the screw extruder in injection machine
In mould, semi-finished product case and bag are made；
Step H, semi-finished product case and bag are sequentially sent to sewing machine and kludge, finished product case and bag.
The present invention is further arranged to：Described temperature control device includes the inlet and liquid outlet positioned at die surface, institute
State and hot-fluid pipeline is communicated between inlet and liquid outlet, the hot-fluid pipeline is uniformly distributed in two inside and outside mould molding chamber perisporium
Circulation has high-temp liquid in side, the hot-fluid pipeline.
The present invention is further arranged to：The hot-fluid pipeline is extended on the outside of inlet and liquid outlet, and inlet and is gone out
Liquid mouthful has heating flow source by hot-fluid pipeline communication.
The present invention is further arranged to：The hot-fluid pipeline is copper pipe.
The present invention is further arranged to：The high-temp liquid is high temperature oil.
The present invention is further arranged to：The high-temp liquid is high-temperature water.
The present invention is further arranged to：High-temperature dehumidification drying control in the step A, step B was at 30 minutes to 60 points
Clock.
The present invention is further arranged to：Finished product case and bag made from the step H are placed into drying room, and the drying room temperature is
60℃。
By using above-mentioned technical proposal, using ABS and PC mixed material, ensureing structural strength and shock resistance
While solve injection difficult point in production technology, increase is directed to the temperature control device of mould in technological process, in raw material
The temperature of mould molding chamber perisporium is controlled before into mould molding chamber, raw material at first is being entered mould molding chamber
The molten condition of a period of time is kept afterwards, until all raw materials all enter after mould molding chamber, then is cooled and shaped,
Eliminate at first into the situation in uneven thickness of case and bag caused by the time difference between mould and the raw material for finally entering mould,
The time consistency of cooling is kept, the percent defective of case and bag injection is advantageously reduced, preferably controls production cost.
Brief description of the drawings
Fig. 1 is a kind of process chart of the production technology of case and bag of the embodiment of the present invention.
Embodiment
A kind of production technology embodiment of 1 pair of case and bag of the present invention of reference picture is described further.
A kind of production technology of case and bag, comprises the following steps：
Step A, ABS virgin materials and ABS secondary materials mixed be put into mixer in proportion, by 180 DEG C to 200 DEG C of high temperature
After removal moisture drying, dry ABS compounds are made, high-temperature dehumidification drying control was at 30 minutes to 60 minutes.；
Step B, PC material are put into mixer, after 100 DEG C to 120 DEG C high-temperature dehumidifications are dried, dry PC material are made,
High-temperature dehumidification drying control was at 30 minutes to 60 minutes.；
It is step C, colorant is deployed, first pass through mixer 40 to 60 minutes, then after drying working process through high-temperature dehumidification,
Obtain allocating colorant；
The ABS mixing of drying described in step D, 3 to 4 parts, 100 to 200 parts step A of toughener by listed as parts by weight
Material puts into reactor together, is thrown into after being sufficiently stirred for by the allotment colorant in step C in reactor, after being sufficiently mixed uniformly
ABS raw materials are made；
The PC material one of drying described in step E, 3 to 4 parts, 100 to 200 parts step A of toughener by listed as parts by weight
Rise and put into reactor, thrown into after being sufficiently stirred for by the allotment colorant in step C in reactor, is sufficiently mixed uniform rear obtained
PC raw materials；
Step F, by obtained ABS raw materials and PC raw materials according to 1:2 to 2:1 ratio is put into mixer, is made into
Product compound；
Step G, by obtained finished product compound put into injection machine in, meanwhile, open temperature control device, temperature control device be used for control
The temperature of case forming chamber perisporium in molding jig, makes finished product compound be flowed in molten by the screw extruder in injection machine
In mould, semi-finished product case and bag are made；
Step H, semi-finished product case and bag are sequentially sent to sewing machine and kludge, finished product case and bag, by obtained finished product box
Bag is placed into drying room, and the drying room temperature is 60 DEG C.
Temperature control device mode one：Temperature control device includes the inlet and liquid outlet positioned at die surface, inlet and is going out
Hot-fluid pipeline is communicated between liquid mouthful, the hot-fluid pipeline is uniformly distributed in inside and outside mould molding chamber perisporium, hot-fluid pipeline
The outside or inner side of mould molding chamber perisporium can also be only distributed only over, difficulty in processing considers, hot-fluid pipeline with into
The distance controlling of die cavity perisporium is in 5 to 10 cm, and hot-fluid pipeline is extended on the outside of inlet and liquid outlet, and inlet and goes out liquid
Mouth has to circulate in heating flow source, the hot-fluid pipeline and heating flow source by hot-fluid pipeline communication high-temp liquid, the high-temperature liquid
Body can select high temperature oil or high-temperature water, but be due to water boiling point it is relatively low, its efficiency of heating surface is relatively low, for mould molding chamber
The temperature adjustment of perisporium also has larger limitation, so this programme is preferred to use high temperature oil, above-mentioned hot-fluid selection for pipeline
Metal copper pipe, because copper has preferable thermal conductivity, is conducive to the heat of high-temperature oil liquid quickly to conduct to mould case forming
On the perisporium of chamber, can less thermal loss, and copper pipe has preferable ductility, advantageously reduces and copper pipe is embedded in mould
Difficulty of processing.
Temperature control device mode two：Temperature control device includes being uniformly distributed in the heating collar inside and outside mould molding chamber perisporium,
Heating collar is connected with power supply, and heating collar is heated by power supply, so that the heat of heating collar is conducted to mould molding chamber perisporium,
The mode of the heating is directly connected due to needing with power supply, with certain potential safety hazard, while to say that circuit is distributed to mould
Also need to overcome larger manufacturing process difficulty in tool, there can be certain difficulty of processing, but be also present invention process temperature control
One of mode of device.
In summary, it is contemplated that difficulty of processing and heat conduction efficiency, this programme selects temperature control device mode one.
The technical program will be first by the single high temperature drying of ABS and PC raw materials, afterwards will in case and bag technological process
Obtained BS and PC is according to certain ratio mixing as final raw material, and the ratio of mixing is according to client for case and bag outward appearance color
The regulation of adaptability is done in the requirement of pool and overall construction intensity, and when this programme case and bag are molded, PC raw materials and ABS raw materials use 1：
1, obtained through test of many times, the ratio can solve production technology while guard box pack arrangement intensity and shock resistance
In injection difficult point, while can also ensure that the bright color and luster on case and bag surface.
Increase is directed to the temperature control device of mould in technological process, before raw material enters mould molding chamber to mould into
The temperature of die cavity perisporium is controlled, and specific temperature control is：Mode（One）, high temperature oil is entered from inlet in hot-fluid pipeline
Enter, after mould inside circulation, from liquid outlet outflow, be always maintained at circulation is passed through high temperature oil, makes around mould molding chamber
Remain at a higher temperature；Mode（Two）, high temperature oil is only passed through before raw material initially enters mould, mould is kept
Have the temperature of forming cavity perisporium, then after all raw materials enter mould molding chamber, disconnected by controller for break-make
The switch of high temperature oil, so as to stop being passed through for high temperature oil, waits to be basically completed being passed through high temperature oil, mode again after cooling and shaping
（One）Due to the persistent loop of high temperature oil, so the cooling and shaping time of raw material is longer, and mode（Two）High temperature oil is according to difference
The need for, auto switching can be carried out, its speed cooled down is capable of the time of less whole injection flow, for production effect
Rate considers that this programme selects mode（Two）, the mode that two kinds of high temperature oils are passed through can make raw material at first enter mould into
The molten condition of a period of time is kept after die cavity, until all raw materials all enter after mould molding chamber, then is cooled down
Shaping, is eliminated in uneven thickness into case and bag caused by the time difference between mould and the raw material for finally entering mould at first
Situation, keeps the time consistency of cooling, advantageously reduces the percent defective of case and bag injection, preferably controls production cost.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of production technology of case and bag, it is characterised in that comprise the following steps：
Step A, ABS virgin materials and ABS secondary materials mixed be put into mixer in proportion, by 180 DEG C to 200 DEG C of high-temperature dehumidification
After drying, dry ABS compounds are made；
Step B, PC material are put into mixer, after 100 DEG C to 120 DEG C high-temperature dehumidifications are dried, dry PC material are made；
It is step C, colorant is deployed, first pass through mixer 40 to 60 minutes, then after drying working process through high-temperature dehumidification, obtain
Allocate colorant；
The ABS compounds one of drying described in step D, 3 to 4 parts, 100 to 200 parts step A of toughener by listed as parts by weight
Rise and put into reactor, thrown into after being sufficiently stirred for by the allotment colorant in step C in reactor, is sufficiently mixed uniform rear obtained
ABS raw materials；
The PC material of drying described in step E, 3 to 4 parts, 100 to 200 parts step B of toughener by listed as parts by weight are thrown together
Enter to reactor, thrown into after being sufficiently stirred for by the allotment colorant in step C in reactor, be sufficiently mixed uniform rear obtained PC former
Material；
Step F, by obtained ABS raw materials and PC raw materials according to 1:2 to 2:1 ratio is put into mixer, and finished product is mixed
Close material；
Step G, by obtained finished product compound put into injection machine in, meanwhile, open temperature control device, temperature control device be used for control mould
The temperature of case forming chamber perisporium in tool, described temperature control device includes the inlet and liquid outlet positioned at die surface, described
Hot-fluid pipeline is communicated between inlet and liquid outlet, the hot-fluid pipeline is uniformly distributed in two inside and outside mould molding chamber perisporium
Circulation has high-temp liquid in side, the hot-fluid pipeline, to the temperature of mould molding chamber perisporium before raw material enters mould molding chamber
Degree is controlled, and raw material at first is kept the molten condition of a period of time after mould molding chamber is entered, until all
Raw material all enters after mould molding chamber, then is cooled and shaped, and makes finished product compound by the screw extruder in injection machine
Flowed in molten in mould, semi-finished product case and bag are made；
Step H, semi-finished product case and bag are sequentially sent to sewing machine and kludge, finished product case and bag.
2. the production technology of a kind of case and bag according to claim 1, it is characterised in that the hot-fluid pipeline extends to feed liquor
On the outside of mouth and liquid outlet, and inlet and liquid outlet have heating flow source by hot-fluid pipeline communication.
3. the production technology of a kind of case and bag according to claim 2, it is characterised in that the hot-fluid pipeline is copper pipe.
4. the production technology of a kind of case and bag according to claim 3, it is characterised in that the high-temp liquid is high temperature oil.
5. the production technology of a kind of case and bag according to claim 3, it is characterised in that the high-temp liquid is high-temperature water.
6. a kind of production technology of case and bag according to claim 1, it is characterised in that the height in the step A, step B
Warm removal moisture drying control was at 30 minutes to 60 minutes.
7. a kind of production technology of case and bag according to claim 1, it is characterised in that finished product box made from the step H
Bag is placed into drying room, and the drying room temperature is 60 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938629.5A CN105538637B (en) | 2015-12-15 | 2015-12-15 | A kind of production technology of case and bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938629.5A CN105538637B (en) | 2015-12-15 | 2015-12-15 | A kind of production technology of case and bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105538637A CN105538637A (en) | 2016-05-04 |
| CN105538637B true CN105538637B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510938629.5A Active CN105538637B (en) | 2015-12-15 | 2015-12-15 | A kind of production technology of case and bag |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400348A (en) * | 2017-08-30 | 2017-11-28 | 浙江鸿箱包皮件有限公司 | A kind of PC bag manufactures technique |
| CN109280318A (en) * | 2018-08-27 | 2019-01-29 | 瑞安市卡瑞奇箱包配件有限公司 | A kind of shock resistance lower shrinkage pc bag manufacture technique |
| CN110466170A (en) * | 2019-08-13 | 2019-11-19 | 东莞市尼戴克电子科技有限公司 | A kind of production technology of intelligence luggage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0890622A (en) * | 1994-09-28 | 1996-04-09 | Nec Tohoku Ltd | Injection molding device |
| KR20100020836A (en) * | 2008-08-13 | 2010-02-23 | 김문수 | Rapid heat cycle controlling machine and method for high glossy injection molding |
| CN101785598A (en) * | 2008-09-09 | 2010-07-28 | 瓦利格拉·龙卡托公开有限公司 | Suitcase and method for making a suitcase frame |
| CN102178383A (en) * | 2009-11-23 | 2011-09-14 | 深圳市航天远东实业有限公司 | Travelling suitcase |
| CN103407165A (en) * | 2013-07-24 | 2013-11-27 | 祥兴(福建)箱包集团有限公司 | Preparation method of ABS/PC hard shell box |
-
2015
- 2015-12-15 CN CN201510938629.5A patent/CN105538637B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0890622A (en) * | 1994-09-28 | 1996-04-09 | Nec Tohoku Ltd | Injection molding device |
| KR20100020836A (en) * | 2008-08-13 | 2010-02-23 | 김문수 | Rapid heat cycle controlling machine and method for high glossy injection molding |
| CN101785598A (en) * | 2008-09-09 | 2010-07-28 | 瓦利格拉·龙卡托公开有限公司 | Suitcase and method for making a suitcase frame |
| CN102178383A (en) * | 2009-11-23 | 2011-09-14 | 深圳市航天远东实业有限公司 | Travelling suitcase |
| CN103407165A (en) * | 2013-07-24 | 2013-11-27 | 祥兴(福建)箱包集团有限公司 | Preparation method of ABS/PC hard shell box |
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| Publication number | Publication date |
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| CN105538637A (en) | 2016-05-04 |
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