CN105563852B - A kind of preparation method of accumulator housing - Google Patents

A kind of preparation method of accumulator housing Download PDF

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Publication number
CN105563852B
CN105563852B CN201610116149.5A CN201610116149A CN105563852B CN 105563852 B CN105563852 B CN 105563852B CN 201610116149 A CN201610116149 A CN 201610116149A CN 105563852 B CN105563852 B CN 105563852B
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CN
China
Prior art keywords
layer
formpiston
mould
die cavity
former
Prior art date
Application number
CN201610116149.5A
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Chinese (zh)
Other versions
CN105563852A (en
Inventor
张凯
许曼
朱宏
程浩
金鑫
王晓梅
Original Assignee
湖北长海新能源科技有限公司
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Priority to CN201610116149.5A priority Critical patent/CN105563852B/en
Publication of CN105563852A publication Critical patent/CN105563852A/en
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Publication of CN105563852B publication Critical patent/CN105563852B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/30Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/36Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2267/00Use of polyesters or derivatives thereof as reinforcement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2309/00Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08Glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2313/00Use of textile products or fabrics as reinforcement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/34Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3468Batteries, accumulators or fuel cells

Abstract

The present invention discloses a kind of preparation method of accumulator housing, comprises the following steps, (1) prepares mould, releasing agent will be coated with a formpiston and two halves former, standing treats releasing agent film forming, and places sealing strip on formpiston and two halves former;(2) reinforcing material is laid on formpiston, and two halves former and formpiston assembling are fixed as entirety;(3) vacuum pumping is carried out to die cavity in the mould after assembling, uses injector resin by injection glue into die cavity to after reaching setting vacuum, the resin adhesive liquid includes well mixed vinylite, methyl ethyl ketone peroxide curing agent, deaeration agent;(4) after mould to be placed at least 6 hours at room temperature, it is stripped and produces accumulator housing.Accumulator housing impact resistance and freedom from vibration prepared by the preparation method of the present invention is strong, and wall thickness reduces, without interval, is advantageous to the increase of its internal capacity, increases accumulator capacity and discharge performance.

Description

A kind of preparation method of accumulator housing

Technical field

The present invention relates to accumulator housing to prepare technology, and in particular to a kind of preparation method of accumulator housing.

Background technology

The ship in China, the accumulator housing of naval vessels are rubber shell at present, due to low intensity, poor impact toughness, It is easy to rupture, causes acid solution seepage, influences safe to use;Other enclosure interior has median septum, outside to have enhancing muscle, two poles Group is hung using half, and half bottom support, housing wall thickness reaches more than 20mm, has a strong impact on the dischargeable capacity of battery, from And influence the capacity and discharge performance of battery.

In view of this, there is provided a kind of intensity is high, the accumulator housing that anti-impact force is big and battery capacity is big, discharge performance is high As urgent problem to be solved at this stage.

The content of the invention

It is an object of the invention to overcome above-mentioned technical deficiency, a kind of preparation method of accumulator housing is proposed, is solved existing The few caused battery capacity of accumulator housing low intensity, poor impact resistance, dischargeable capacity and power generation performance for having technology to prepare are poor Technical problem.

To reach above-mentioned technical purpose, technical scheme provides a kind of preparation method of accumulator housing, including Following steps,

(1) prepare mould, releasing agent will be coated with a formpiston and two halves former, stand and treat releasing agent film forming, and Sealing strip is placed on formpiston and half former;

(2) reinforcing material is laid on formpiston, and two halves former and formpiston assembling are fixed as entirety;

(3) in the mould after assembling die cavity carry out vacuum pumping, to reach setting vacuum after using injector to Resin by injection glue in die cavity, the resin adhesive liquid include well mixed vinylite, methyl ethyl ketone peroxide curing agent, taken off Infusion;

(4) after mould to be placed at least 6 hours at room temperature, it is stripped and produces accumulator housing.

Preferably, the formpiston bottom is provided with multiple be used for die cavity progress vacuum pumping in the mould after assembling Steam vent.

Preferably, seal groove is provided with the flange of the formpiston and half former, the sealing strip is located at the sealing In groove.

Preferably, the vacuum of die cavity is more than -0.085MPa in vacuum pumping rear mold in the step (3).

Preferably, the resin by injection glue of the step (3) includes the following injection stage carried out successively:First stage, Persistently injected in die cavity 3~5 minutes into mould using injection pressure as 0.1~0.15MPa;Second stage, increase injection pressure To 0.15~0.25MPa, and multiple steam vents on formpiston are injected at this pressure there is resin adhesive liquid spilling;3rd rank Section, increase injection pressure to 0.3MPa, stops injection after maintaining 20~40 seconds again.

Preferably, the reinforcing material includes 0 °/90 ° biaxially layer of cloth, continuous Glass Fiber Mat layer and surface of polyester felts Layer.

Preferably, the reinforcing material include stack gradually from the bottom to top lower polyester surface layer, it is lower 0 °/90 ° biaxially Layer of cloth, continuous Glass Fiber Mat layer, upper 0 °/90 ° biaxially layer of cloth, upper polyester surface layers;Wherein, the lower polyester surface layer and Upper polyester surface layer be two layers, lower 0 °/90 ° biaxially layer of cloth and it is upper 0 °/90 ° biaxially layer of cloth be four layers, the continuous glass Glass fibre felt layer is one layer.

Preferably, the vinylite, methyl ethyl ketone peroxide curing agent, the mass ratio of deaeration agent are 100:0.5~ 1.5:0.2~0.8.

Preferably, the steam vent is 8.

Compared with prior art, the manufacture method of accumulator housing provided by the invention has advantages below:

(1) it is suitable to the manufacture of a variety of accumulator housings of different sizes and shapes, strong adaptability;

(2) accumulator housing of shaping only has a Ge Ji groups, integral can be used to set, be advantageous to avoid storage battery Pond is short-circuit from bottom, improves the impact resistance and freedom from vibration of battery.

(3) resin adhesive liquid of composite is adopted as, makes the storage battery housing structure intensity height of shaping, acid resistance good, exhausted Edge excellent performance.

(4) accumulator housing wall thickness prepared by this preparation method reduces, without interval, is advantageous to the increasing of its internal capacity Add, increase accumulator capacity and discharge performance;

(5) preparation technology of this preparation method is simple, production efficiency is high, and cost is cheap, is easy to industrialized production.

Embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.

Embodiment 1:

(1) mould prepares, and formpiston and two halves former inner surface are cleaned out, in applying liquid releasing agent thereon, and Sealing strip is placed on the seal groove that formpiston and half former turn over time, sealing strip forms the loop checking installation of closure, stands 30min and waits to be stripped It is standby after agent film forming;Wherein, 8 steam vents are set on formpiston, inlet is set at least one half former;

(2) reinforcing material is laid on formpiston, two and half formers are lifted on formpiston after lay, and by bolt by sun Mould and two and half formers are assembled into an entirety;Wherein, the reinforcing material includes the lower polyester table stacked gradually from the bottom to top Surface layer, lower 0 °/90 ° biaxially layer of cloth, continuous Glass Fiber Mat layer, upper 0 °/90 ° biaxially layer of cloth, upper polyester surface layers;And And the lower polyester surface layer and upper polyester surface layer are two layers, lower 0 °/90 ° biaxially layer of cloth and upper 0 °/90 ° biaxially cloth Layer is four layers, and the continuous Glass Fiber Mat layer is one layer;

(3) vacuum pumping is carried out to die cavity in the mould after assembling, inserted specially first on 8 steam vents of formpiston If plastic tube, plastic tube one end is set to be connected with the interior die cavity of mould, the connection of the other end and pumped vacuum systems, unlatching, which vacuumizes, is System, to mould in the vacuum of die cavity reach 0.09MPa, after continuing to run with pumped vacuum systems 10 minutes, close pumped vacuum systems; After completing vacuum pumping, using injector by injection port on half former the injecting resin glue in die cavity into mould, it is described Resin adhesive liquid includes well mixed vinylite, methyl ethyl ketone peroxide curing agent, deaeration agent;Wherein, the resin adhesive liquid It is 100 for mass ratio:0.5:0.2 vinylite, methyl ethyl ketone peroxide curing agent, the uniform mixed liquor of deaeration agent, and it is above-mentioned Mixed liquor needs to stand 30 minutes after uniformly mixing;

Specific injecting resin glue includes the following injection stage carried out successively:First stage, using injection pressure as 0.1MPa persistently injects 5 minutes into mould in die cavity;Second stage, increase injection pressure to 0.2MPa, and at this pressure The multiple steam vents being injected on formpiston have resin adhesive liquid spilling, i.e., have in the plastic tube being connected with 8 steam vents of formpiston Resin adhesive liquid is overflowed;Phase III, increase injection pressure again to 0.3MPa, stop injection after maintaining 40 seconds.

(4) it is stripped after the mould of resin by injection glue being placed into 12 hours at room temperature, first by two and half during the demoulding Former is separated from formpiston, then two and half formers are opened, and accumulator housing is produced after the demoulding.

Embodiment 2

The preparation method of the present embodiment 2 and above-described embodiment 1 are essentially identical, and its difference is:A, in the present embodiment 2 Vinylite, methyl ethyl ketone peroxide curing agent, the mass ratio of deaeration agent are 100:1:0.5;B, the present embodiment 2 vacuumizes behaviour Make to reach 0.09MPa to the vacuum of die cavity in mould, after continuing to run with pumped vacuum systems 20 minutes, close pumped vacuum systems; C, the first stage injection pressure of the present embodiment 2 be 0.12MPa, injection time 4min, injection time phase III be 30 seconds.

Embodiment 3

The preparation method of the present embodiment 3 and above-described embodiment 1 are essentially identical, and its difference is:A, in the present embodiment 3 Vinylite, methyl ethyl ketone peroxide curing agent, the mass ratio of deaeration agent are 100:1.5:0.8;B, the present embodiment 3 vacuumizes Operate to the vacuum of die cavity in mould and reach 0.088MPa, after continuing to run with pumped vacuum systems 18 minutes, closing, which vacuumizes, is System;C, the first stage injection pressure of the present embodiment 3 be 0.15MPa, injection time 3min, second stage injection pressure is 0.25MPa, injection time phase III are 20 seconds.

Embodiment 4

The preparation method of the present embodiment 4 and above-described embodiment 1 are essentially identical, and its difference is:A, in the present embodiment 4 Vinylite, methyl ethyl ketone peroxide curing agent, the mass ratio of deaeration agent are 100:1.3:0.0.6;B, the present embodiment 4 take out it is true The vacuum of die cavity reaches 0.095MPa in do-nothing operation to mould, and after continuing to run with pumped vacuum systems 5 minutes, closing, which vacuumizes, is System;C, the first stage injection pressure of the present embodiment 4 be 0.14MPa, injection time 3.5min, second stage injection pressure is 0.21MPa, injection time phase III are 25 seconds.

Embodiment 5

The preparation method of the present embodiment 5 and above-described embodiment 1 are essentially identical, and its difference is:A, in the present embodiment 5 Vinylite, methyl ethyl ketone peroxide curing agent, the mass ratio of deaeration agent are 100:0.7:0.0.3;B, the present embodiment 5 take out it is true The vacuum of die cavity reaches 0.089MPa in do-nothing operation to mould, and after continuing to run with pumped vacuum systems 15 minutes, closing vacuumizes System;C, the first stage injection pressure of the present embodiment 5 be 0.11MPa, injection time 4.5min, second stage injection pressure For 0.18MPa, injection time phase III is 35 seconds.

Accumulator housing properties test result prepared by above-described embodiment 1~5 specifically see the table below:

From above-mentioned contrast, the properties of accumulator housing prepared by the present embodiment 1~5 are apparently higher than standard;And And battery jar body thickness prepared by the present embodiment 1~5 reduces, without interval so that accumulator housing is under similar face product Volume increase by 20%, so that battery long time discharge performance improves 25%, rate discharge performance improves 15% in short-term.

The embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis The various other corresponding changes and deformation that the technical concept of the present invention is made, should be included in the guarantor of the claims in the present invention In the range of shield.

Claims (7)

  1. A kind of 1. preparation method of accumulator housing, it is characterised in that comprise the following steps,
    (1) preparing mould, releasing agent will be coated with a formpiston and two halves former, standing treats releasing agent film forming, and in formpiston Sealing strip is placed with two halves former;
    (2) reinforcing material is laid on formpiston, and two and half formers and formpiston assembling are fixed as entirety;
    (3) vacuum pumping is carried out to die cavity in the mould after assembling, injector is used to die cavity to after reaching setting vacuum Interior resin by injection glue, the resin adhesive liquid include well mixed vinylite, methyl ethyl ketone peroxide curing agent, deaeration Agent;The vinylite, methyl ethyl ketone peroxide curing agent, the mass ratio of deaeration agent are 100:0.5~1.5:0.2~0.8;Note Enter the following injection stage that resin adhesive liquid includes carrying out successively:First stage, it is 0.1~0.15MPa to mould using injection pressure Persistently injected in interior die cavity 3~5 minutes;Second stage, increase injection pressure are noted at this pressure to 0.15~0.25MPa The multiple steam vents entered to formpiston have resin adhesive liquid spilling;Phase III, increase injection pressure to 0.3MPa, is maintained again Stop injection after 20~40 seconds;
    (4) after mould to be placed at least 6 hours at room temperature, it is stripped and produces accumulator housing.
  2. 2. preparation method according to claim 1, it is characterised in that the formpiston bottom is provided with multiple be used for assembling Die cavity carries out the steam vent of vacuum pumping in mould afterwards.
  3. 3. preparation method according to claim 1, it is characterised in that be respectively provided with the flange of formpiston and the two halves former There is seal groove, the sealing strip is in the seal groove.
  4. 4. the preparation method according to Claims 2 or 3, it is characterised in that vacuum pumping rear mold in the step (3) The vacuum of interior die cavity is more than 0.085MPa.
  5. 5. preparation method according to claim 1, it is characterised in that the reinforcing material includes 0 °/90 ° biaxially cloth Layer, continuous Glass Fiber Mat layer and surface of polyester carpet veneer.
  6. 6. preparation method according to claim 5, it is characterised in that the reinforcing material includes stacking gradually from the bottom to top Lower polyester surface layer, lower 0 °/90 ° biaxially layer of cloth, continuous Glass Fiber Mat layer, upper 0 °/90 ° biaxially layer of cloth, upper polyester Superficial layer;Wherein, the lower polyester surface layer and upper polyester surface layer are two layers, lower 0 °/90 ° biaxially layer of cloths and upper 0 °/90 ° Biaxially layer of cloth is four layers, and the continuous Glass Fiber Mat layer is one layer.
  7. 7. preparation method according to claim 1, it is characterised in that the steam vent is 8.
CN201610116149.5A 2016-03-01 2016-03-01 A kind of preparation method of accumulator housing CN105563852B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN105563852B true CN105563852B (en) 2018-04-06

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1982522A (en) * 2005-12-16 2007-06-20 航天材料及工艺研究所 Fiberglass flow-guiding cloth and vacuum adsorption
CN101804714B (en) * 2010-03-10 2011-12-07 中国人民解放军国防科学技术大学 Composite material member with surface functional layer and RTM preparation method thereof
CN103151471B (en) * 2011-12-07 2015-08-12 神讯电脑(昆山)有限公司 The manufacture method of battery case
CN103802333A (en) * 2012-11-15 2014-05-21 东莞劲胜精密组件股份有限公司 Method for manufacturing electronic product composite material shell through resin transfer molding process
CN205238602U (en) * 2015-11-18 2016-05-18 湖北长海新能源科技有限公司 Container body forming die

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