CN110394950A - A kind of injection mold for sheet production - Google Patents
A kind of injection mold for sheet production Download PDFInfo
- Publication number
- CN110394950A CN110394950A CN201910822012.5A CN201910822012A CN110394950A CN 110394950 A CN110394950 A CN 110394950A CN 201910822012 A CN201910822012 A CN 201910822012A CN 110394950 A CN110394950 A CN 110394950A
- Authority
- CN
- China
- Prior art keywords
- injection mold
- sliding block
- die holder
- shaped channel
- control panel
- 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.)
- Withdrawn
Links
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
- 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
- B29C45/26—Moulds
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to injection mold technologies, and disclose a kind of injection mold for sheet production, including upper die holder, the lower mold backing plate is internally connected with heating wire, and guide sleeve is mounted on lower die holder, and lower die holder is internally provided with nitrogen dioxide, heating wire is in series with computer heating control panel, heating wire is parallel with mashing pump, and mashing pump is in series with pump control panel, is provided with current signal sensing device between computer heating control panel and pump control panel.Injection molding cavity is preheated by heating wire, gaseous nitrogen dioxide in C-shaped channel is thermally decomposed, air pressure pushes the first sliding block to move right, first sheet metal and the second metal block contact, the quantitative conveying molten slurry of mashing pump, the electric current in current signal sensing device identification circuit deliver a signal to computer heating control panel, and computer heating control panel disconnects the switch of heating wire, this structure realizes the pre-add heat function to injection molding cavity, is sufficient filling with molten slurry to guarantee parts quality.
Description
Technical field
The present invention relates to injection mold technology, specially a kind of injection mold for sheet production.
Background technique
Injection mold is a kind of tool for producing plasthetics, and injection mold assigns plasthetics complete structure and exact scale
Very little tool.Injection molding is a kind of processing method used when producing certain complex-shaped components in batches, refers specifically to be heated
The plastics of thawing inject die cavity by injection molding machine high pressure and obtain formed products after cooling and solidifying.
Injection mold is in injection molding sheet material, since sheet material is relatively thin and surface area is larger, especially part resin, such as poly- carbonic acid
The poor plastics of the mobility such as ester, polyphenylene oxide often will appear that higher both sides in the middle part of moulding are lower, moulding in injection molding
There are the problems such as water ripples and product shape distortion in upper surface, and we have proposed one kind to be used for piece in order to solve this problem
The injection mold of material shape production.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of injection mold for sheet production, have
It the advantages of molten slurry being sufficient filling with to guarantee parts quality, solves the poor plastics of mobility and is filled not in Injection moulded part
Complete problem.
(2) technical solution
To realize that the above-mentioned purpose for being sufficient filling with molten slurry to guarantee parts quality, the present invention provide following technical side
Case: a kind of injection mold for sheet production, including upper die holder are fixedly connected with immediately below the upper die holder
Template is provided with lower template immediately below cope plate, molten slurry is filled between cope plate and lower template, the lower end of lower template is fixed
It is connected with lower mold backing plate, the inside of lower mold backing plate is fixedly connected with heating wire, and the lower end two sides of upper die holder, which are fixedly connected to, leads
Column, guide post slidably connect guide sleeve, and guide sleeve is fixedly mounted on lower die holder, and lower die holder is internally provided with gaseous nitrogen dioxide,
Heating wire is connect by power supply line with computer heating control panel, mashing pump, pump control panel and current signal sensing device.
Preferably, the inside of the lower mold backing plate offers rectangular channel, and rectangular channel is in order to place heating wire.
Preferably, the inside of the lower die holder offers C-shaped channel, the inside of lower die holder and connects in the lower Slideslip of C-shaped channel
It is connected to the first sliding block, the right end of the first sliding block is fixedly connected with the first sheet metal, the right side of the first sheet metal and sets in C-shaped channel
It is equipped with the second sliding block, the left end of the second sliding block is fixedly connected with the second metal block, fixed between the right end and C-shaped channel of the second sliding block
It is connected with spring, this structure is that sky locating for molten slurry is judged specifically by the temperature of C-shaped channel using indirect inducing method
The temperature of chamber, the temperature of general plastic injection piece molten slurry are degree left and right, and what this designed our selections is gaseous nitrogen dioxide, gas
For state nitrogen dioxide when spending, gaseous nitrogen dioxide resolves into nitric oxide and oxygen, and the gas volume of C-shaped channel increases, pushes and slide
Block controls the conveying switch of mashing pump.
Preferably, vertical range of the heating wire to the upper surface of lower template phase at a distance from the top face to C-shaped channel
Together, identical distance can accurately guarantee the spread speed of temperature.
Preferably, the volume of the C-shaped channel upper end is twice of lower end, because gaseous nitrogen dioxide resolves into nitric oxide
And oxygen, the gas volume in C-shaped channel increase by 1.5 times.
Preferably, the volume and length, width and height of the C-shaped channel upper end are identical as cavity locating for molten slurry, in order to guarantee that temperature passes
It is identical to broadcast area approximation.
Preferably, the volume ratio of the C-shaped channel upper and lower side can be changed according to the chosen material in it, because different
Gas before and after the reaction of material changes the material different, gas increases after selection reaction herein.
Preferably, the width of first sliding block and the second sliding block be equal to C-shaped channel width, thus guarantee the first sliding block and
Leakproofness between second sliding block.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of injection mold for sheet production, have following
The utility model has the advantages that
This is used for the injection mold of sheet production, is preheated by heating wire to injection molding cavity, has identical
The C-shaped channel of distance predicts the temperature of injection molding cavity, and when the temperature of C-shaped channel reaches above, the gaseous nitrogen dioxide in C-shaped channel is heated
It is decomposed into nitric oxide and oxygen, the air pressure of C-shaped channel upper end increases, and air pressure pushes the first sliding block to move right, when the first sliding block
When touching the second sliding block, the second metal block contact on the first sheet metal and the second sliding block on the first sliding block, mashing pump is fixed
The conveying molten slurry of amount, current signal sensing device recognizes the electric current in circuit at this time, and current signal sensing device transmits signal
Computer heating control panel is given, computer heating control panel disconnects the circuit switch of heating wire, this structure realizes the pre-add to injection molding cavity
Heat function is sufficient filling with molten slurry to guarantee parts quality, makes to solve the poor plastics of some mobility in injection molding
Incomplete problem is filled when part.
Detailed description of the invention
Fig. 1 is the whole Facad structure cross-sectional view of the present invention；
Fig. 2 is structure of the invention circuit connecting relation schematic diagram；
Fig. 3 is the enlarged diagram in structure of the invention Fig. 1 at A.
In figure: 1 upper die holder, 2 cope plates, 3 lower templates, 4 molten slurries, 5 lower mold backing plates, 501 rectangular channels, 6 heating wire, 7 guide posts,
8 guide sleeves, 9 lower die holders, 901C type groove, 902 first sliding blocks, 903 first sheet metals, 904 second sliding blocks, 905 second metal blocks,
906 springs, 10 gaseous nitrogen dioxides, 11 computer heating control panels, 12 mashing pumps, 13 pump control panels, 14 current signals induction dress
It sets.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3, a kind of injection mold for sheet production, including upper die holder 1 are please referred to, upper die holder 1 is just
Lower section is fixedly connected with cope plate 2, and the underface of cope plate 2 is provided with lower template 3, is provided between cope plate 2 and lower template 3
Molten slurry 4, the lower end of lower template 3 are fixedly connected with lower mold backing plate 5, and the inside of lower mold backing plate 5 offers rectangular channel 501, rectangular channel
501 in order to place heating wire 6.Heating wire 6 to lower template 3 upper surface vertical range with to C-shaped channel 901 top face away from
From identical, identical distance can accurately guarantee the spread speed of temperature.The inside of lower mold backing plate 5 is fixedly connected with heating wire
6, the lower end two sides of upper die holder 1 are fixedly connected to guide post 7, and guide post 7 slidably connects guide sleeve 8.
Guide sleeve 8 is fixedly mounted on lower die holder 9, and the inside of lower die holder 9 offers C-shaped channel 901, the inside of lower die holder 9 and in C
The downside of type groove 901 slidably connects the first sliding block 902, and the right end of the first sliding block 902 is fixedly connected with the first sheet metal 903,
The right side of first sheet metal 903 and the second sliding block 904 is provided in C-shaped channel 901, the left end of the second sliding block 904 is fixedly connected
There is the second metal block 905, be fixedly connected with spring 906 between the right end and C-shaped channel 901 of the second sliding block 904, this structure is benefit
With indirect inducing method, the temperature of cavity locating for molten slurry 4, general plastics are judged specifically by the temperature of C-shaped channel 901
The temperature of moulding molten slurry be 200 degree or so, this design we choose be gaseous nitrogen dioxide 10, gaseous nitrogen dioxide 10 exists
At 150 degree, gaseous nitrogen dioxide 10 resolves into nitric oxide and oxygen, and the gas volume of C-shaped channel 901 increases, and pushes sliding block control
The conveying of mashing pump 12 processed switchs.The volume of 901 upper end of C-shaped channel is twice of lower end, because gaseous nitrogen dioxide 10 resolves into
Nitric oxide and oxygen, the gas volume in C-shaped channel 901 increase by 1.5 times.The volume and length, width and height and molten slurry of 901 upper end of C-shaped channel
Cavity locating for 4 is identical, in order to guarantee that temperature propagation area approximation is identical.The volume ratio of 901 upper and lower side of C-shaped channel can be according to it
Interior chosen material is changed, because the gas before and after the reaction of different materials changes different, gas after selection reaction herein
The material of increase.The width of first sliding block 902 and the second sliding block 904 is equal to the width of C-shaped channel 901, to guarantee the first sliding block
902 and the second leakproofness between sliding block 904.Lower die holder 9 is internally provided with gaseous nitrogen dioxide 10, and heating wire 6 is in series with
Computer heating control panel 11, heating wire 6 are parallel with mashing pump 12, and mashing pump 12 is in series with pump control panel 13, computer heating control panel
Current signal sensing device 14 is provided between 11 and pump control panel 13.
Working principle: this is used for the injection mold of sheet production, at work, is controlled by computer heating control panel 11
The circuit communication of heating wire 6 processed, heating wire 6 preheat injection molding cavity, and the general injection temperature of moulding is 200 degree left
The right side, as long as so to injection molding cavity preheat guarantee molten slurry heat it is higher, by the C-shaped channel 901 with same distance come
Predict the temperature of injection molding cavity, specifically: the gaseous state titanium dioxide when the temperature of C-shaped channel 901 reaches 150 or more, in C-shaped channel 901
Nitrogen 10 is heated to be decomposed into nitric oxide and oxygen, by its reaction equation it is found that when gaseous nitrogen dioxide 10 decomposes completely, C
The gas volume of type groove 901 will will increase 1.5 times (gaseous nitrogen dioxide 10 can not decompose completely, write herein for the ease of
Understand), so the air pressure of 901 upper end of C-shaped channel increases, air pressure pushes the first sliding block 902 to move right, when the first sliding block 902 connects
The second metal block 905 on the first sheet metal 903 and the second sliding block 904 when contacting the second sliding block 904, on the first sliding block 902
Contact, the quantitative conveying molten slurry 4 of mashing pump 12, current signal sensing device 14 recognizes the electric current in circuit, electric current letter at this time
Number sensing device 14 delivers a signal to computer heating control panel 11, and computer heating control panel 11 disconnects the circuit switch of heating wire 6, this
Structure realizes the pre-add heat function to injection molding cavity, to solve existing sheet material injection mold.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of injection mold for sheet production, including upper die holder (1), it is characterised in that: the upper die holder (1)
Underface be fixedly connected with cope plate (2), be provided with immediately below cope plate (2) lower template (3), cope plate (2) and lower die
It is provided between plate (3) molten slurry (4), the lower end of lower template (3) is fixedly connected with lower mold backing plate (5), the inside of lower mold backing plate (5)
It is fixedly connected with heating wire (6), the lower end two sides of upper die holder (1) are fixedly connected to guide post (7), and guide post (7) are slidably connected
Have guide sleeve (8), guide sleeve (8) is fixedly mounted on lower die holder (9), and the inside of lower die holder (9) is filled with gaseous nitrogen dioxide (10), electricity
Heated filament (6) is filled by power supply line and computer heating control panel (11), mashing pump (12), pump control panel (13) and current signal induction
Set (14) connection.
2. a kind of injection mold for sheet production according to claim 1, it is characterised in that: the lower die
The inside of backing plate (5) offers rectangular channel (501).
3. a kind of injection mold for sheet production according to claim 1, it is characterised in that: the lower die
The inside of seat (9) offers C-shaped channel (901), the inside of lower die holder (9) and slidably connects first on the downside of C-shaped channel (901)
Sliding block (902), the right end of the first sliding block (902) are fixedly connected with the first sheet metal (903), the right side of the first sheet metal (903)
And be provided with the second sliding block (904) in C-shaped channel (901), the left end of the second sliding block (904) is fixedly connected with the second metal block
(905), it is fixedly connected between the right end of the second sliding block (904) and C-shaped channel (901) spring (906).
4. a kind of injection mold for sheet production according to claim 1, it is characterised in that: the electric heating
The vertical range of the upper surface of silk (6) to lower template (3) is identical at a distance from the top face for arriving C-shaped channel (901).
5. a kind of injection mold for sheet production according to claim 1, it is characterised in that: the c-type
The volume of slot (901) upper end is twice of lower end.
6. a kind of injection mold for sheet production according to claim 1, it is characterised in that: the c-type
The volume and length, width and height of slot (901) upper end are identical as cavity locating for molten slurry (4).
7. a kind of injection mold for sheet production according to claim 1, it is characterised in that: the c-type
The volume ratio of slot (901) upper and lower side can be changed according to the chosen material in it.
8. a kind of injection mold for sheet production according to claim 1, it is characterised in that: described first
The width of sliding block (902) and the second sliding block (904) is greater than the width of C-shaped channel (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822012.5A CN110394950A (en) | 2019-09-02 | 2019-09-02 | A kind of injection mold for sheet production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822012.5A CN110394950A (en) | 2019-09-02 | 2019-09-02 | A kind of injection mold for sheet production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110394950A true CN110394950A (en) | 2019-11-01 |
Family
ID=68329636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910822012.5A Withdrawn CN110394950A (en) | 2019-09-02 | 2019-09-02 | A kind of injection mold for sheet production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110394950A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62227615A (en) * | 1986-03-31 | 1987-10-06 | Fanuc Ltd | Mold temperature regulating device controlled by injection molder main body |
| JPH01178430A (en) * | 1988-01-08 | 1989-07-14 | Sumitomo Heavy Ind Ltd | System for controlling energizing of heater |
| CN1205532A (en) * | 1997-07-16 | 1999-01-20 | 松下电器产业株式会社 | Switch arrangement operable in both slide and push directions and its assembling method |
| EP0909626A2 (en) * | 1997-10-17 | 1999-04-21 | TOHOKU MUNEKATA Co., Ltd. | Method and apparatus for injection moulding plastics |
| US20040251570A1 (en) * | 2003-06-16 | 2004-12-16 | Kazuo Sakamoto | Method of manufacturing molded product of foamed resin and apparatus for molding foamed resin |
| US20070092595A1 (en) * | 2005-10-25 | 2007-04-26 | Yamashita Electric Co. Ltd. | Synthetic resin injection molding assembly |
| CN2916894Y (en) * | 2006-05-31 | 2007-06-27 | 富士康(昆山)电脑接插件有限公司 | Slide switch |
| CN102870183A (en) * | 2009-11-27 | 2013-01-09 | 海瑞克里兹 | Electric switch having slide forming short-circuit or selector switch |
| CN103862614A (en) * | 2014-02-28 | 2014-06-18 | 东莞劲胜精密组件股份有限公司 | Thin-wall injection mold and preparation method of thin-wall plastic part |
| CN204597155U (en) * | 2015-04-12 | 2015-08-26 | 张威威 | A kind of overheated power-off protection plug |
| CN204936115U (en) * | 2015-09-10 | 2016-01-06 | 东莞市铭辉塑胶机械有限公司 | Injection machine preheating supervising device |
| CN206536735U (en) * | 2017-02-20 | 2017-10-03 | 江西瑞麟复合材料科技有限公司 | A kind of sheet molding compound mould |
| CN207637694U (en) * | 2017-10-08 | 2018-07-20 | 历建民 | A kind of circuit-breaker |
| CN109016426A (en) * | 2018-08-07 | 2018-12-18 | 深圳群宾精密工业有限公司 | A kind of mold temperature controlling system |
-
2019
- 2019-09-02 CN CN201910822012.5A patent/CN110394950A/en not_active Withdrawn
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62227615A (en) * | 1986-03-31 | 1987-10-06 | Fanuc Ltd | Mold temperature regulating device controlled by injection molder main body |
| JPH01178430A (en) * | 1988-01-08 | 1989-07-14 | Sumitomo Heavy Ind Ltd | System for controlling energizing of heater |
| CN1205532A (en) * | 1997-07-16 | 1999-01-20 | 松下电器产业株式会社 | Switch arrangement operable in both slide and push directions and its assembling method |
| EP0909626A2 (en) * | 1997-10-17 | 1999-04-21 | TOHOKU MUNEKATA Co., Ltd. | Method and apparatus for injection moulding plastics |
| US20040251570A1 (en) * | 2003-06-16 | 2004-12-16 | Kazuo Sakamoto | Method of manufacturing molded product of foamed resin and apparatus for molding foamed resin |
| US20070092595A1 (en) * | 2005-10-25 | 2007-04-26 | Yamashita Electric Co. Ltd. | Synthetic resin injection molding assembly |
| CN2916894Y (en) * | 2006-05-31 | 2007-06-27 | 富士康(昆山)电脑接插件有限公司 | Slide switch |
| CN102870183A (en) * | 2009-11-27 | 2013-01-09 | 海瑞克里兹 | Electric switch having slide forming short-circuit or selector switch |
| CN103862614A (en) * | 2014-02-28 | 2014-06-18 | 东莞劲胜精密组件股份有限公司 | Thin-wall injection mold and preparation method of thin-wall plastic part |
| CN204597155U (en) * | 2015-04-12 | 2015-08-26 | 张威威 | A kind of overheated power-off protection plug |
| CN204936115U (en) * | 2015-09-10 | 2016-01-06 | 东莞市铭辉塑胶机械有限公司 | Injection machine preheating supervising device |
| CN206536735U (en) * | 2017-02-20 | 2017-10-03 | 江西瑞麟复合材料科技有限公司 | A kind of sheet molding compound mould |
| CN207637694U (en) * | 2017-10-08 | 2018-07-20 | 历建民 | A kind of circuit-breaker |
| CN109016426A (en) * | 2018-08-07 | 2018-12-18 | 深圳群宾精密工业有限公司 | A kind of mold temperature controlling system |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191101 |
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| WW01 | Invention patent application withdrawn after publication |