CN108437413A - A kind of forming method of hemispherical plastics suction mould and sphere - Google Patents
A kind of forming method of hemispherical plastics suction mould and sphere Download PDFInfo
- Publication number
- CN108437413A CN108437413A CN201810307110.0A CN201810307110A CN108437413A CN 108437413 A CN108437413 A CN 108437413A CN 201810307110 A CN201810307110 A CN 201810307110A CN 108437413 A CN108437413 A CN 108437413A
- Authority
- CN
- China
- Prior art keywords
- plastic sheet
- mold
- hemispherical
- die cavity
- sphere
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 26
- 229920003023 plastic Polymers 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007666 vacuum forming Methods 0.000 claims abstract description 15
- 239000004568 cement Substances 0.000 claims abstract description 7
- 239000002985 plastic film Substances 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 4
- 230000037303 wrinkles Effects 0.000 abstract description 3
- 230000004927 fusion Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 238000007639 printing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- 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
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/006—Joining parts moulded in separate cavities
- B29C45/0062—Joined by injection moulding
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/32—Moulds having cutting means
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
-
- 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
- B29L2031/54—Balls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of hemispherical plastics suction mould and the forming methods of sphere.A kind of hemispherical plastics suction mould, including mold；The mold is equipped with die cavity；The die cavity and the vacuum generating device unicom being equipped with.The present invention solves plane administrative division pattern and code-point to spherical forming technique using vacuum forming.Position is accurate after efficiently solving the problems, such as pattern and code-point forming, problem on deformation, reading code error problem.This method efficiently solves the problems, such as that covering is bonded with plastic cement bladders, efficient, surfacing.Since the two is Fusion Strain, in various temperature changes, ensure, with shrinking, to expand simultaneously, it is wrinkle resistant, it is not blistering.
Description
Technical field
The present invention relates to molds and processing technology, more specifically refer to the molding of a kind of hemispherical plastics suction mould and sphere
Method.
Background technology
The tellurion of various sizes on existing market, general point is made of covering and bladders.Covering is that can be drawn after being heated
Stretch material, such as PVC, PET.
Current covering is hot-forming, and pattern is yielding, and fixed point easily shifts, big so as to cause error.Bladders is general
For plastic cement, bladders is essentially manual assembly with covering, is fixed between the two with glue, the disadvantage is that：Efficiency is low, and the mouth that gives up is more, ball
Courage is bonded loosely with covering, and covering is easy to foaming after high/low temperature.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, the molding of a kind of hemispherical plastics suction mould and sphere is provided
Method.
To achieve the above object, the present invention uses following technical scheme：
A kind of hemispherical plastics suction mould, including mold；The mold is equipped with die cavity；The die cavity and the vacuum being equipped with
Generating means unicom.
Its further technical solution is：The end face of the mold setting die cavity is equipped with several fixed columns.
Its further technical solution is：The end face of the mold setting die cavity is equipped with circumferential groove；The circumferential groove is equipped with
With the stomata of vacuum generating device unicom.
Its further technical solution is：The mold side is equipped with cooling body；The cooling body is equipped with nozzle；Institute
The air source unicom stated nozzle and be equipped with.
A kind of forming method of sphere, includes the following steps：
1) plastic sheet cut is fixed on vacuum forming mold；
2) the distance between heating device and vacuum forming mold are adjusted, and plastic sheet is heated；
3) plastic sheet is heated to soft state, at this point, the logical upper vacuum of the die cavity of vacuum forming mold, and by the modeling of softening
Tablet is adsorbed on mould intracavity wall；
4) hemispherical material material is formed after the plastic sheet cooling softened, is extracted out from die cavity, and using shear knife to hemispherical material
The plastic sheet of material is trimmed；
5) hemispherical material material is put into the injection mold of injection moulding apparatus, injection parameters is adjusted, to mold injection, so that plastic cement
Bladders combines together with hemispherical material material, and then forms finished product hemisphere structure；
6) two finished product hemisphere structures are bonded to each other, to form sphere structure.
Its further technical solution is：The heating device is face heating device, so that plastic sheet is heated evenly.
Its further technical solution is：The heating device is equipped with range sensor, to control heating device and plastic sheet
The distance between material；The distance between the heating device and plastic sheet are 0.1-20mm.
Its further technical solution is：The heating temperature of the plastic sheet is 70-90 DEG C.
Its further technical solution is：Printing layer is equipped on the outside of the plastic sheet.
Its further technical solution is：The material of the plastic sheet is PVC or PET.
Compared with the prior art, the invention has the advantages that：The present invention solves plane administrative division pattern using vacuum forming
And code-point is to spherical forming technique.Position is accurate after efficiently solving the problems, such as pattern and code-point forming, problem on deformation, reading code
Error problem.This method efficiently solves the problems, such as that covering is bonded with plastic cement bladders, efficient, surfacing.Since the two is to melt
Conjunction state ensures, with shrinking, to expand simultaneously in various temperature changes, wrinkle resistant, not blistering.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is a kind of three-dimensional structure diagram of hemispherical plastics suction mould of the present invention；
Fig. 2 is the three-dimensional structure diagram in a kind of other embodiment of hemispherical plastics suction mould of the present invention；
Fig. 3 is a kind of heating of the plastic sheet of the forming method of sphere of the present invention；
Fig. 4 is a kind of cutting for hemispherical material material of the forming method of sphere of the invention；
Fig. 5 is a kind of injection molding of the hemispherical material material of the forming method of sphere of the present invention；
Fig. 6 is a kind of hemispherical dome structure of the forming method of sphere of the present invention；
Fig. 7 is a kind of spherical structure of the forming method of sphere of the present invention.
Specific implementation mode
In order to more fully understand the present invention technology contents, with reference to specific embodiment to technical scheme of the present invention into
One step introduction and explanation, but not limited to this.
Such as the drawing that Fig. 1 to Fig. 7 is the embodiment of the present invention.
A kind of hemispherical plastics suction mould 1, as shown in Fig. 1-2, including mold 10.Mold 10 is equipped with die cavity 13, and mould
Chamber 13 and the vacuum generating device unicom being equipped with.
The end face that die cavity is arranged in mold 10 is equipped with several fixed columns 11.Fixed column 11 is used to fix the sheet material of plastic uptake,
It prevents from shifting during vacuum forming.
The end face that die cavity is arranged in mold 10 is equipped with circumferential groove 12.Circumferential groove 12 is equipped with the gas with vacuum generating device unicom
Hole 15.It can be close to 10 end face of mold after plastic sheet softening, in order to keep die cavity 13 air tight during plastic uptake, stomata 15
Be passed through vacuum, the plastic sheet of softening be then adsorbed on to the end face of die cavity 13 so that the end face of plastic sheet and die cavity 13 formed it is close
Envelope.
Preferably, the air drain of several and vacuum generating device unicom is evenly equipped in die cavity 13, so that cavity 13 is to softening
The adsorption capacity of plastic sheet afterwards is uniform.
In other embodiment, 10 side of mold is equipped with cooling body 16.Cooling body 16 is equipped with nozzle 17, and nozzle
17 with the air source unicom that is equipped with.After the completion of plastic uptake, nozzle 17 blows to plastic sheet, to accelerate the cooling of plastic sheet.
A kind of forming method of sphere includes the following steps as shown in Fig. 3-7：
1) the plastic sheet Q1 cut is fixed on vacuum forming mold 1；
2) the distance between heating device 2 and vacuum forming mold 1 are adjusted, and plastic sheet Q1 is heated；
3) plastic sheet Q1 is heated to soft state, at this point, the logical upper vacuum of the die cavity of vacuum forming mold 1, and will be soft
The plastic sheet Q1 of change is adsorbed on mould intracavity wall；
4) hemispherical material material Q2 is formed after the plastic sheet Q1 coolings softened, is extracted out from die cavity, and using shear knife 4 to hemisphere
The plastic sheet of shape material material Q2 is trimmed；
5) hemispherical material material Q2 is put into the injection mold 3 of injection moulding apparatus, adjusts injection parameters, to mold injection, so that
Plastic cement bladders combines together with hemispherical material material Q2, and then forms finished product hemisphere structure Q3；
6) two finished product hemisphere structure Q3 are bonded to each other, to form sphere structure Q4.
Wherein, heating device 2 is face heating device, so that plastic sheet is heated evenly, so that die cavity can be uniformly by plastics
Piece is adsorbed on its inner wall.
1 end face of vacuum forming mold is equipped with several fixed columns, and plastic sheet corner is equipped with to be consolidated with what fixed column matched
Determine hole, prevents from shifting during absorption.
In the present embodiment, hemisphere is tellurion structure, and printing layer is equipped on the outside of plastic sheet Q1, can be by pattern, word
Equal printings are got on.
Wherein, the material of plastic sheet Q1 is PVC or PET.When preferably, if it is PVC, the heating temperature of plastic sheet Q1
Degree is 70-90 DEG C, and best temperature is 82 DEG C.
Injection mold 3 includes upper mold 31 and lower die 32.After hemispherical material material Q2 is put into die cavity, upper mold 31 is closed with lower die 32
On, the fluid plastic of thermalization is perfused.
In other embodiment, heating device 2 be equipped with range sensor, with control vacuum forming mold 1 between away from
From.For more efficient heating, optimal the distance between heating device 2 and plastic sheet Q1 are 0.1-20mm, and this distance is most
It is to be controlled by range sensor well.
In conclusion the present invention solves plane administrative division pattern and code-point to spherical forming technique using vacuum forming.
Position is accurate after efficiently solving the problems, such as pattern and code-point forming, problem on deformation, reading code error problem.This method effectively solves
Covering is bonded problem with plastic cement bladders, efficient, surfacing.Since the two is Fusion Strain, in various temperature changes,
Ensure, with shrinking, to expand simultaneously, it is wrinkle resistant, it is not blistering.
It is above-mentioned only with embodiment come the technology contents that further illustrate the present invention, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by the present invention's
Protection.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of hemispherical plastics suction mould, including mold；It is characterized in that, the mold is equipped with die cavity；The die cavity with
The vacuum generating device unicom being equipped with.
2. a kind of hemispherical plastics suction mould according to claim 1, which is characterized in that the end of the mold setting die cavity
Face is equipped with several fixed columns.
3. a kind of hemispherical plastics suction mould according to claim 1, which is characterized in that the end of the mold setting die cavity
Face is equipped with circumferential groove；The circumferential groove is equipped with the stomata with vacuum generating device unicom.
4. a kind of hemispherical plastics suction mould according to claim 1, which is characterized in that the mold side is equipped with cooling
Mechanism；The cooling body is equipped with nozzle；The nozzle and the air source unicom being equipped with.
5. a kind of forming method of sphere, which is characterized in that include the following steps：
1) plastic sheet cut is fixed on vacuum forming mold；
2) the distance between heating device and vacuum forming mold are adjusted, and plastic sheet is heated；
3) plastic sheet is heated to soft state, at this point, the logical upper vacuum of the die cavity of vacuum forming mold, and by the plastic sheet of softening
It is adsorbed on mould intracavity wall；
4) hemispherical material material is formed after the plastic sheet cooling softened, is extracted out from die cavity, and using shear knife to hemispherical material material
Plastic sheet is trimmed；
5) hemispherical material material is put into the injection mold of injection moulding apparatus, injection parameters is adjusted, to mold injection, so that plastic cement bladders
It combines together with hemispherical material material, and then forms finished product hemisphere structure；
6) two finished product hemisphere structures are bonded to each other, to form sphere structure.
6. a kind of forming method of sphere according to claim 5, which is characterized in that the heating device is face heating dress
It sets, so that plastic sheet is heated evenly.
7. a kind of forming method of sphere according to claim 5, which is characterized in that the heating device is equipped with distance and passes
Sensor, to control the distance between heating device and plastic sheet；The distance between the heating device and plastic sheet are
0.1—20mm。
8. a kind of forming method of sphere according to claim 5, which is characterized in that the heating temperature of the plastic sheet
It is 70-90 DEG C.
9. a kind of forming method of sphere according to claim 5, which is characterized in that be equipped with print on the outside of the plastic sheet
Brush layer.
10. a kind of forming method of sphere according to claim 5, which is characterized in that the material of the plastic sheet is
PVC or PET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307110.0A CN108437413A (en) | 2018-04-08 | 2018-04-08 | A kind of forming method of hemispherical plastics suction mould and sphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307110.0A CN108437413A (en) | 2018-04-08 | 2018-04-08 | A kind of forming method of hemispherical plastics suction mould and sphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108437413A true CN108437413A (en) | 2018-08-24 |
Family
ID=63198727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810307110.0A Pending CN108437413A (en) | 2018-04-08 | 2018-04-08 | A kind of forming method of hemispherical plastics suction mould and sphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108437413A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175542A (en) * | 2013-05-23 | 2014-12-03 | 李一波 | Vacuum forming mould of plastic globe drawing |
| CN104175564A (en) * | 2013-05-23 | 2014-12-03 | 李一波 | Injection moulding process of plastic globe |
-
2018
- 2018-04-08 CN CN201810307110.0A patent/CN108437413A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175542A (en) * | 2013-05-23 | 2014-12-03 | 李一波 | Vacuum forming mould of plastic globe drawing |
| CN104175564A (en) * | 2013-05-23 | 2014-12-03 | 李一波 | Injection moulding process of plastic globe |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |