CN110126165A - A kind of forming method of encapsulated bow arm - Google Patents
A kind of forming method of encapsulated bow arm Download PDFInfo
- Publication number
- CN110126165A CN110126165A CN201910440074.XA CN201910440074A CN110126165A CN 110126165 A CN110126165 A CN 110126165A CN 201910440074 A CN201910440074 A CN 201910440074A CN 110126165 A CN110126165 A CN 110126165A
- Authority
- CN
- China
- Prior art keywords
- bow arm
- rubber
- encapsulated
- mold
- forming method
- 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
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Classifications
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
- B29L2031/5236—Bows
Abstract
The invention discloses a kind of forming methods of encapsulated bow arm, successively include bow arm processing, mold cleaning, laying rubber, fixed bow arm, again laying rubber, molding molding, finishing flash process.The encapsulated bow arm obtained using the forming method of encapsulated bow arm of the invention dusts resulting bow arm with feel more outstanding than tradition; and other rubber with different colours effect can be replaced according to actual needs; obtain a variety of different appearances; in addition to this; the rubber material of outer layer has the function of shockproof, shatter-resistant; play the role of shock-absorbing and protection bow arm in use, plays the effect for extending bow arm service life.
Description
Technical field
The present invention relates to the technical fields of bow arm manufacture, more particularly to a kind of forming method of encapsulated bow arm.
Background technique
The bow arm used on the market at present is mostly fibre glass product manufacture, and can be found that most of bow arms are finally all needed by spray
Powder processing, keeps surface more beautiful.Powder injection process is called electrostatic powder coating process, and the powder main component of spraying is asphalt mixtures modified by epoxy resin
Rouge.The powder injection process coating process more commonly used as current bow arm, has powder coat performance good, sturdy and durable, powder applies
Expect the advantages that utilization rate is high.But there is also certain limitations: powder injection process colour changing is difficult, and spends the period long；Outside film
It is slightly poor to see flatness；It is easy to be influenced by steam, in the minute bubbles that surface is formed, influences appearance.So dusting carrying out bow arm
It is taken in journey and notices whether various process conditions meet the requirements at quarter, be not so easy to appear bad products.In addition, due to shape after dusting
At coating to bow arm itself there is no rise an otherwise protection, so bow arm use or transportational process in occur a little asking
Topic will cause the defective products of bow arm.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of forming method of encapsulated bow arm.
In order to solve the above technical problem, the present invention provides a kind of forming methods of encapsulated bow arm, comprising the following steps:
One, grinding cleaning and drying bow arm processing: are carried out to bow arm；
Two, mold cleans: blowing away impurity in mold with air gun and coats release agent；
Three, laying rubber: the type for weighing lower die of the appropriate rubber laying in mold is intracavitary, and the shape of rubber and bow arm are big
It causes identical；
Four, fixed bow arm: multi-diameter shaft passes through the axis hole of bow arm and by the way that after matching axle sleeve, bow arm is placed in type chamber
Interior fixation, wherein multi-diameter shaft and axle sleeve are in the slot position of mold；
Five, laying rubber again: bow of the almost the same rubber of weight, shape after fixation in laying and step 3 again
The surface of arm；
Six, molding molding: after rubber laying is good, Guan Bi mould, and ensured to bend the gap between arm and mold again with pin
Unanimously, later entire mold is sent into heat in process equipment and is press-formed；
Seven, it modifies flash: after depanning is cooling, the extra flash of encapsulated bow arm being repaired smooth.
In the step 1, for grinding bow arm using roll grinding machine, abrasive grain is diamond, and a small amount of grinding is added
Liquid.
In the step 3, the rubber is natural rubber, general purpose synthetic rubber, dedicated synthetic rubber and extraordinary synthesis rubber
The mixing of one or more of glue.The quality of the rubber is 10-20 grams.
In the step 4, the multi-diameter shaft and axle sleeve are clearance fit.
In the step 6, after mold closure, at the corresponding upper and lower mould of bow arm tail position, it is packed into pin, and pin
It is interference fit with mold.Heating temperature in the step 6 is 80-150 DEG C, pressure 5-25Mpa, molding time 6-
15min。
By upper, bend arm coating obtained relative to existing dust, encapsulated bow arm rubber layer after molding of the invention
Possess feel more outstanding, appearance color can be replaced according to demand, breaks the single defect of color of dusting, meet the need of client
It wants.The present invention is low to environmental condition susceptibility, and product yield is high, in addition, the rubber layer material of encapsulated bow arm is with shockproof, anti-
A possibility that function of falling plays the role of shock-absorbing and protection bow arm in use, bow arm accidental damage is greatly lowered,
Extend the service life of bow arm.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, below in conjunction with preferred embodiment, and cooperates attached drawing, detailed description are as follows.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing to embodiment is simply situated between below
It continues.
Fig. 1 is the flow chart of the forming method of encapsulated bow arm of the invention；
Fig. 2 is the mold explosive view in the forming method of encapsulated bow arm of the invention.
Specific embodiment
The embodiment of the invention will now be described in detail with reference to the accompanying drawings, and as part of this specification passes through
Embodiment illustrates the principle of the present invention, and other aspects of the present invention, feature and its advantage will become by the detailed description
It is very clear.In the attached drawing of institute's reference, the same or similar component is indicated using identical drawing reference numeral in different figures.
Fig. 1 is the flow chart of the forming method of encapsulated bow arm of the invention, successively includes the processing of bow arm, mold cleaning, paving
Put rubber, fixed bow arm, again laying rubber, molding molding, finishing flash process.The detailed of the present embodiment is described in detail below
Step, the forming method of encapsulated bow arm of the invention, comprising the following steps:
(1) bow arm is handled: bow arm 8 need to be cleaned by grinding and drying；
In the present embodiment, the equipment of grinding bow arm is roll grinding machine, and abrasive grain is diamond, and needs to be added and grind on a small quantity
Grinding fluid.
(2) mold cleans: blowing away impurity in mold with air gun and coats release agent.
(3) laying rubber: the type for weighing appropriate rubber laying in the lower die 4 of mold is intracavitary, and the shape of rubber and bow arm
It is roughly the same；
Optionally, the rubber can be natural rubber, general purpose synthetic rubber, dedicated synthetic rubber and special synthetic rubber
One or more of mixing.
When specific implementation, the quality for weighing rubber is 10-20g.
(4) fixed bow arm: multi-diameter shaft 5 passes through the axis hole 7 of bow arm 8 and by the way that after matching axle sleeve 6, bow arm 8 is set
In the intracavitary fixation of type, wherein multi-diameter shaft 5 and axle sleeve 6 must be in the slot positions 9 of mold, and multi-diameter shaft 5 is that gap is matched with axle sleeve 6
It closes.
(5) laying rubber again: again in laying and step (3) the almost the same rubber of weight, shape after fixation
Bend the surface of arm 8.
(6) molding molding: after rubber laying is good, Guan Bi mould, and ensured to bend the gap between arm and mold again with pin 2
Unanimously, later entire mold is sent into heat in process equipment and is press-formed；
When it is implemented, at the corresponding upper and lower mould of bow arm tail position, being packed into pin 2, and pin 2 after mold closure
It is interference fitted with mold；Entire mold is put into equipment later and is heated, heating temperature is 80-150 DEG C, pressure 5-25Mpa,
Molding time is 6-15min.
(7) modify flash: after depanning is cooling, encapsulated bow arm need to repair extra flash smooth.
The encapsulated bow arm obtained using forming method of the invention dusts resulting bow arm with hand more outstanding than tradition
Sense, and can replace other rubber with different colours effect according to actual needs, obtain a variety of different appearances, except this it
Outside, the rubber material of outer layer has the function of shockproof, shatter-resistant, plays the role of shock-absorbing and protection bow arm in use, plays
Extend the effect of bow arm service life.
As shown in Fig. 2, in an embodiment of the present invention, bow arm 8 is after grinding cleaning and drying, by the upper mold 3 of mold
Distinguish with lower die 4 clean, coat release agent, the rubber that almost the same and quality is 10-20g with the shape of bow arm is first spread
The type for being placed on lower die 4 is intracavitary, and multi-diameter shaft 5 is then passed through the axis hole 7 of bow arm 8 and is inserted into axle sleeve 6, the ladder that will be combined
Axis 5, axle sleeve 6 are put into the slot position 9 of lower die 4, and bow arm 8 guarantees intracavitary in the type of lower die 4 at the same time, again spreading and shape
Pin 2 can be encased in by the rubber that shape and before step are not much different respectively with Guan Bi mould after the completion in the surface of bow arm 8
In pin hole 1 in upper mold 3 and lower die 4, and pin 2 and bow arm 8 is made to be in contact, makes to bend arm and mold keeps certain gap,
Entire mold is sent into heating, pressurized equipment later, melts rubber, the rubber layer of our needs is formed, is wrapped after depanning
Glue bends arm.
Feel more outstanding is possessed using the molding encapsulated bow arm of forming method of the present invention, can be replaced according to actual needs
Appearance color breaks the single defect of color of dusting, meets client's needs.Meanwhile this forming method is sensitive to environmental condition
Spend low, product yield height.In addition, the rubber layer material of encapsulated bow arm has the function of shockproof, shatter-resistant, rise in use
To the effect of shock-absorbing and protection bow arm, prevents bow arm by other accidental injuries, extend the service life of bow arm.
The above is a preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for those skilled in the art, without departing from the principle of the present invention, may be used also
To make several improvement and variation, these, which improve and change, is also considered as protection scope of the present invention.
Claims (7)
1. a kind of forming method of encapsulated bow arm, it is characterised in that: the following steps are included:
One, grinding cleaning and drying bow arm processing: are carried out to bow arm；
Two, mold cleans: blowing away impurity in mold with air gun and coats release agent；
Three, laying rubber: the type for weighing lower die of the appropriate rubber laying in mold is intracavitary, and the shape of rubber and bow arm substantially phase
Together；
Four, fixed bow arm: multi-diameter shaft passes through the axis hole of bow arm and by the way that it is intracavitary solid that bow arm is placed in type after matching axle sleeve
Fixed, wherein multi-diameter shaft and axle sleeve are in the slot position of mold；
Five, laying rubber again: bow arm of the almost the same rubber of weight, shape after fixation in laying and step 3 again
Surface；
Six, molding molding: after rubber laying is good, Guan Bi mould, and ensure that bow arm is consistent with the gap between mold with pin again,
Later entire mold is sent into heat in process equipment and be press-formed；
Seven, it modifies flash: after depanning is cooling, the extra flash of encapsulated bow arm being repaired smooth.
2. the forming method of encapsulated bow arm as described in claim 1, it is characterised in that: in the step 1, grinding bow arm is adopted
It is roll grinding machine, abrasive grain is diamond, and a small amount of lapping liquid is added.
3. the forming method of encapsulated bow arm as described in claim 1, it is characterised in that: in the step 3, the rubber is
The mixing of one or more of natural rubber, general purpose synthetic rubber, dedicated synthetic rubber and special synthetic rubber.
4. the forming method of encapsulated bow arm as claimed in claim 1 or 3, it is characterised in that: in the step 3, the rubber
Quality be 10-20 grams.
5. the forming method of encapsulated bow arm as described in claim 1, it is characterised in that: in the step 4, the multi-diameter shaft
It is clearance fit with axle sleeve.
6. the forming method of encapsulated bow arm as described in claim 1, it is characterised in that: in the step 6, after mold closure,
At the corresponding upper and lower mould of bow arm tail position, it is packed into pin, and pin and mold are interference fit.
7. the forming method of encapsulated bow arm as described in claim 1, it is characterised in that: the heating temperature in the step 6 is
80-150 DEG C, pressure 5-25Mpa, molding time 6-15min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440074.XA CN110126165A (en) | 2019-05-24 | 2019-05-24 | A kind of forming method of encapsulated bow arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440074.XA CN110126165A (en) | 2019-05-24 | 2019-05-24 | A kind of forming method of encapsulated bow arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110126165A true CN110126165A (en) | 2019-08-16 |
Family
ID=67573141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910440074.XA Pending CN110126165A (en) | 2019-05-24 | 2019-05-24 | A kind of forming method of encapsulated bow arm |
Country Status (1)
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| CN (1) | CN110126165A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6324443B2 (en) * | 1981-12-24 | 1988-05-20 | Hoooo Butsusan Kk | |
| CN1408453A (en) * | 2001-10-01 | 2003-04-09 | 兰姆金公司 | Handle of sport equipment and process for producing die casting mold of handle |
| CN101653973A (en) * | 2009-07-29 | 2010-02-24 | 李建新 | Rubber coating forming mould |
| CN103273603A (en) * | 2013-04-28 | 2013-09-04 | 东莞万德电子制品有限公司 | Molding die of silica gel product with hanging workpiece encapsulated in double surfaces |
| CN108015946A (en) * | 2017-12-12 | 2018-05-11 | 增城华昌塑料五金模具有限公司 | A kind of die press technology for forming of long glass fiber reinforced resin bow arm |
| CN108247947A (en) * | 2017-12-19 | 2018-07-06 | 江苏铂英特电子科技有限公司 | A kind of encapsulated technique of metal handle |
-
2019
- 2019-05-24 CN CN201910440074.XA patent/CN110126165A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6324443B2 (en) * | 1981-12-24 | 1988-05-20 | Hoooo Butsusan Kk | |
| CN1408453A (en) * | 2001-10-01 | 2003-04-09 | 兰姆金公司 | Handle of sport equipment and process for producing die casting mold of handle |
| CN101653973A (en) * | 2009-07-29 | 2010-02-24 | 李建新 | Rubber coating forming mould |
| CN103273603A (en) * | 2013-04-28 | 2013-09-04 | 东莞万德电子制品有限公司 | Molding die of silica gel product with hanging workpiece encapsulated in double surfaces |
| CN108015946A (en) * | 2017-12-12 | 2018-05-11 | 增城华昌塑料五金模具有限公司 | A kind of die press technology for forming of long glass fiber reinforced resin bow arm |
| CN108247947A (en) * | 2017-12-19 | 2018-07-06 | 江苏铂英特电子科技有限公司 | A kind of encapsulated technique of metal handle |
Non-Patent Citations (1)
| Title |
|---|
| 申长雨主编: "《橡塑模具优化设计技术》", 31 July 1997, 化学工业出版社 * |
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