CN112497673A - Injection mold with accurate positioning - Google Patents
Injection mold with accurate positioning Download PDFInfo
- Publication number
- CN112497673A CN112497673A CN202011470682.4A CN202011470682A CN112497673A CN 112497673 A CN112497673 A CN 112497673A CN 202011470682 A CN202011470682 A CN 202011470682A CN 112497673 A CN112497673 A CN 112497673A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- mold base
- positioning
- accurate positioning
- upper mold
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 238000005286 illumination Methods 0.000 claims abstract description 14
- 239000002608 ionic liquid Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000000149 argon plasma sintering Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract 1
- 239000002991 molded plastic Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 210000004712 air sac Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
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
- B29C45/34—Moulds having venting 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
-
- 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
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
-
- 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
- B29C2945/76003—Measured parameter
- B29C2945/76083—Position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold with accurate positioning, which comprises an upper mold base and a lower mold base, wherein the upper mold base and the lower mold base are jointly provided with a mold cavity, the top of the upper mold base is fixedly connected with a positioning plate, the top of the positioning plate is cooperatively connected with a fixing plate, the positioning plate and the fixing plate are jointly penetrated through and provided with a pouring channel, the pouring channel is communicated with the mold cavity, one end of the mold cavity, far away from the pouring channel, is provided with an exhaust channel, the other end of the exhaust channel is communicated with an exhaust chamber, two breathable films are fixedly connected in the exhaust channel in a sealing manner, ionic liquid is filled between the two breathable films, and the two breathable. Has the advantages that: through the illumination detection of laser lamp to leaded light layer, with the slip that the electro-magnet produced, realize the function of self-alignment, can discharge in advance the intracavity gas of mould simultaneously to it is more to avoid containing gaseous impurity in the raw materials is moulded plastics, influences the quality.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold with accurate positioning.
Background
Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like;
the injection mold is generally formed by a mold cavity formed by an upper mold base and a lower mold base, and when the injection mold is used, particularly when a workpiece with a complex shape is processed, the mold closing of the upper mold base and the lower mold base is easy to deviate, so that the deviation between the product boundary and the size of the mold cavity is caused, and the processing quality is influenced.
Disclosure of Invention
The invention aims to solve the problems that the product size is not accurate and the processing is not accurate due to inaccurate mould closing and positioning in the prior art during injection processing, and provides an injection mould with accurate positioning.
In order to achieve the purpose, the invention adopts the following technical scheme: an injection mold with accurate positioning comprises an upper mold base and a lower mold base, wherein a mold cavity is jointly formed in the upper mold base and the lower mold base, a positioning plate is fixedly connected to the top of the upper mold base, a fixing plate is connected to the top of the positioning plate in a matched mode, a pouring channel is jointly penetrated through the positioning plate and the fixing plate, the pouring channel is communicated with the mold cavity, an exhaust channel is formed in one end, away from the pouring channel, of the mold cavity, and an exhaust chamber is communicated with the other end of the exhaust channel;
two breathable films are fixedly connected in the exhaust channel in a sealing mode, ionic liquid is filled in the portion between the two breathable films, and the two breathable films are fixedly connected with a thermoelectric bar together.
In the injection mold with accurate positioning, one end of the exhaust channel, which is positioned in the exhaust chamber, is fixedly connected with the hot air bag in a sealing manner, the hot air bag is made of thermal expansion materials and has the characteristic of air isolation, and the inner wall of the hot air bag is embedded with the resistance wire which is electrically connected with the hot electric rod.
In the above-mentioned injection mold who fixes a position accurately, two position finding casees of the common fixedly connected with of two lateral walls of upper die base and die holder, every the position finding case is integrated configuration, every an illumination route has all been seted up in the position finding case, the top fixedly connected with laser lamp of illumination route, the bottom fixedly connected with leaded light layer and the photo resistance of illumination route.
In the injection mold with accurate positioning, the side wall of an illumination passage in a position measuring box in the upper mold base is annularly provided with a light scattering layer and a photoresistor, the positioning plate and the fixing plate are provided with a sliding channel,
in the injection mold with accurate positioning, a moving block is connected in the sliding channel in a sliding mode and fixedly connected with the positioning plate, two sides of the moving block are respectively and fixedly connected with an electromagnet, and the electromagnets are electrically connected with a photoresistor in the light guide layer.
In the injection mold with accurate positioning, a layer of sealing coating is glued at the joint of the upper mold base and the lower mold base, and buckles for fixing the position measuring boxes are fixedly connected at the joint of the upper mold base and the lower mold base.
Compared with the prior art, the invention has the advantages that:
1. when the upper die holder and the lower die holder are matched, the problem that the upper die holder and the lower die holder are easy to slightly deviate during processing due to the adoption of a manual alignment mode in the prior art is solved, and the upper die holder and the lower die holder are detected by the straight irradiation function of a laser lamp in a position measuring box, so that the accurate positioning effect is realized;
2. the laser lamp irradiates the light guide layer below the laser lamp, and the laser lamp is positioned on the upper die base and the light guide layer is positioned on the lower die base, so that when the laser lamp irradiates to the middle point position of the light guide layer, the upper die base and the lower die base are accurately matched, the electromagnets at the two ends of the moving block do not generate current, and when the laser lamp irradiates to the offset middle point position, the photoresistor below the light guide layer conducts the electromagnet at one side of the moving block to enable the electromagnet to offset until the electromagnet is aligned to the middle point of the light guide layer;
3. the inner wall of the light path channel in the position finding box is embedded with the light scattering layer, so that when the laser lamp cannot emit vertical light, the light scattering layer scatters to conduct the photoresistor in the light scattering layer, the laser lamp is turned off and on, and the accurate detection effect is realized;
4. set up exhaust passage in the die cavity to set up two ventilated membranes and ionic liquid in the exhaust passage, ionic liquid has the characteristics of high isolated temperature, and at the in-process of moulding plastics, when high temperature raw materials got into the die cavity, thereby the difference in temperature at ionic liquid both ends can make the hot air sac inflation that the thermoelectric bar is electrified, makes the interior air of die cavity discharged to the air discharge chamber in advance, thereby avoids the interference of air.
Drawings
FIG. 1 is a schematic structural diagram of an injection mold with precise positioning according to the present invention;
FIG. 2 is an enlarged schematic view of a portion A of an injection mold with precise positioning according to the present invention;
FIG. 3 is an enlarged schematic view of part B of an injection mold with precise positioning according to the present invention
In the figure: 1 upper die holder, 2 lower die holders, 3 locating plates, 4 fixing plates, 5 runners, 6 die cavities, 7 exhaust channels, 8 thermoelectric rods, 9 breathable films, 10 thermal airbags, 11 exhaust chambers, 12 position measuring boxes, 13 optical path channels, 14 light scattering layers, 15 light guide layers, 16 laser lamps, 17 moving blocks and 18 electromagnets.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-3, an injection mold with accurate positioning comprises an upper mold base 1 and a lower mold base 2, wherein a mold cavity 6 is jointly formed in the upper mold base 1 and the lower mold base 2, a positioning plate 3 is fixedly connected to the top of the upper mold base 2, a fixing plate 4 is connected to the top of the positioning plate 3 in a matched manner, a pouring gate 5 is jointly penetrated through the positioning plate 3 and the fixing plate 4, the pouring gate 5 is communicated with the mold cavity 6, an exhaust passage 7 is formed in one end, away from the pouring gate 5, of the mold cavity 6, and an exhaust chamber 11 is communicated with;
two ventilated membranes 9 of sealed fixedly connected with in the exhaust passage 7, ionic liquid is equipped with to part between two ventilated membranes 9, ionic liquid has non-volatility's characteristics, higher heat absorption has, hot stick 8 of the common fixedly connected with of two ventilated membranes 9, exhaust passage 7 is located the sealed fixedly connected with hot gasbag 10 of one end of exhaust chamber 11, hot gasbag 10 adopts thermal energy material and has isolated air's characteristics, hot gasbag 10 will expand after being heated, the refrigeration will contract, the inner wall of hot gasbag 10 is inlayed and is equipped with the resistance wire and the resistance wire is connected in hot stick 8 electricity.
Two position finding casees 12 of two common fixedly connected with of lateral wall of upper die base 1 and die holder 2, every position finding case 12 is integrated configuration for half position finding case 12 of upper die base 1 and die holder 2 fixedly connected with respectively, all seted up an illumination route 13 in every position finding case 12, illumination route 13's top fixedly connected with laser lamp 16, illumination route 13's bottom fixedly connected with leaded light layer 15 and photo resistance.
The side wall of the illumination path 13 in the position measuring box 12 in the upper die holder 1 is annularly provided with a light scattering layer 14 and a photoresistor, a sliding channel 16 is arranged in the positioning plate 3 and the fixing plate 4, a moving block 17 is connected in the sliding channel 16 and fixedly connected with the positioning plate 3, two sides of the moving block 17 are respectively and fixedly connected with an electromagnet 18, the electromagnet 18 is electrically connected with the photoresistor in the light guide layer 15, the photoresistor in the light guide layer 15 is positioned on two sides of the central line of the light guide layer 15, when the photoresistor senses illumination, the electromagnet 18 on one side of the moving block 17 is conducted to enable the electromagnet to be electrified, a sealing coating is glued at the joint of the upper die holder 1 and the lower die holder 2 and used for mutual sealing, the air tightness is improved, and the joint of each position measuring box 12, which is positioned on.
When the invention is used, the upper die holder 1 and the lower die holder 2 are matched, but in the prior art, the die holders can not be completely aligned after being used for a long time, in the invention, the lower die holder 2 is in a fixed state, the upper die holder 1 is set to be in a state of sliding on a fixed plate 4 through a positioning plate 3, the matched die positions of the upper die holder 2 and the lower die holder 2 are detected under the irradiation action of a laser lamp 16 in a position measuring box 12 on a light path channel 13, when the laser lamp 16 irradiates to the midpoint position of a light guide layer 15, the matched die of the upper die holder and the lower die holder is accurate, electromagnets 18 at two ends of a moving block 17 do not generate current, and when the laser lamp 16 irradiates to the offset midpoint position, a photoresistor below the light guide layer 15 conducts the electromagnets 18 at one side of the moving block 17 to enable the electromagnets;
set up exhaust passage 7 in the die cavity 6, and set up two ventilated membrane 9 and ionic liquid in the exhaust passage 7, ionic liquid has the characteristics of high isolated temperature, at the in-process of moulding plastics, when high temperature raw materials got into die cavity 6, thereby the difference in temperature at ionic liquid both ends can make 8 electrified heat insulating bag 10 inflation of thermoelectric bar, thereby make air in the die cavity 6 discharged to exhaust chamber 11 in advance under the atmospheric pressure effect, thereby the initiative realizes the exhaust action in the die cavity 6, and die cavity 6 and exhaust chamber 11 are sealed with the external world and keep apart, avoid the interference that the outside air got into and cause.
Although the terms of the upper die holder 1, the lower die holder 2, the positioning plate 3, the fixing plate 4, the pouring gate 5, the die cavity 6, the exhaust passage 7, the thermal electric rod 8, the gas permeable membrane 9, the hot air bag 10, the exhaust chamber 11, the position measuring box 12, the light path passage 13, the light diffusion layer 14, the light guide layer 15, the laser light 16, the moving block 17, the electromagnet 18, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. An injection mold with accurate positioning comprises an upper mold base (1) and a lower mold base (2), and is characterized in that the upper mold base (1) and the lower mold base (2) are jointly provided with a mold cavity (6), the top of the upper mold base (2) is fixedly connected with a positioning plate (3), the top of the positioning plate (3) is connected with a fixing plate (4) in a matching manner, the positioning plate (3) and the fixing plate (4) are jointly penetrated and provided with a pouring gate (5), the pouring gate (5) is communicated with the mold cavity (6), one end of the mold cavity (6) far away from the pouring gate (5) is provided with an exhaust passage (7), and the other end of the exhaust passage (7) is communicated with an exhaust chamber (11);
two breathable films (9) are fixedly connected in the exhaust channel (7) in a sealing mode, ionic liquid is filled in the portion between the two breathable films (9), and the two breathable films (9) are fixedly connected with a thermoelectric bar (8) together.
2. An injection mold with accurate positioning as claimed in claim 1, characterized in that the end of the exhaust channel (7) located in the exhaust chamber (11) is fixedly connected with a thermal airbag (10) in a sealing manner, the thermal airbag (10) is made of thermal expansion material and has the characteristic of air isolation, and the inner wall of the thermal airbag (10) is embedded with a resistance wire and the resistance wire is electrically connected with the thermal electric rod (8).
3. The injection mold with accurate positioning as claimed in claim 1, wherein two side walls of the upper mold base (1) and the lower mold base (2) are fixedly connected with two positioning boxes (12) together, each positioning box (12) is of a combined structure, each positioning box (12) is provided with an illumination path (13), the top of each illumination path (13) is fixedly connected with a laser lamp (16), and the bottom of each illumination path (13) is fixedly connected with a light guide layer (15) and a photoresistor.
4. An injection mould with accurate positioning according to claim 3, characterized in that the side wall of the illumination path (13) in the position measuring box (12) of the upper die holder (1) is provided with a light scattering layer (14) and a photoresistor in an annular shape, and the positioning plate (3) and the fixing plate (4) are provided with sliding channels (16).
5. The injection mold with accurate positioning as claimed in claim 4, wherein a moving block (17) is slidably connected in the sliding channel (16) and the moving block (17) is fixedly connected with the positioning plate (3), two sides of the moving block (17) are respectively fixedly connected with an electromagnet (18), and the electromagnets (18) are electrically connected with the photoresistors in the light guide layer (15).
6. The injection mold with accurate positioning as recited in claim 3, characterized in that a layer of sealing coating is glued at the junction of the upper mold base (1) and the lower mold base (2), and each positioning box (12) is fixedly connected with a buckle for fixing each other at the junction of the upper mold base (1) and the lower mold base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470682.4A CN112497673A (en) | 2020-12-14 | 2020-12-14 | Injection mold with accurate positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470682.4A CN112497673A (en) | 2020-12-14 | 2020-12-14 | Injection mold with accurate positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112497673A true CN112497673A (en) | 2021-03-16 |
Family
ID=74973129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011470682.4A Pending CN112497673A (en) | 2020-12-14 | 2020-12-14 | Injection mold with accurate positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112497673A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070218157A1 (en) * | 2006-03-15 | 2007-09-20 | Hon Hai Precision Industry Co., Ltd. | Molding apparatus with optical alignment mechanism |
| CN101518928A (en) * | 2008-02-25 | 2009-09-02 | 鸿富锦精密工业（深圳）有限公司 | Mould and adjustment method thereof |
| CN104416875A (en) * | 2013-08-29 | 2015-03-18 | 发那科株式会社 | Mold matching device of injection molding machine having center position adjustment function for mold plate |
| CN108466408A (en) * | 2018-04-10 | 2018-08-31 | 合肥光华机械有限公司 | A kind of refrigerator door closure injection mold |
| CN208133406U (en) * | 2018-04-25 | 2018-11-23 | 李华惠 | A kind of mold positioning device |
| CN110406050A (en) * | 2019-07-19 | 2019-11-05 | 泉州丰泽如通机械设计有限公司 | A kind of injection mold of auto parts and components manufacture |
| CN209775395U (en) * | 2019-01-09 | 2019-12-13 | 苏州吉雄精密机械有限公司 | Accurate positioning type injection mold processing mould |
| CN211074376U (en) * | 2019-10-30 | 2020-07-24 | 广州松洛特电子科技有限公司 | Positioning device of mold for producing television shell |
-
2020
- 2020-12-14 CN CN202011470682.4A patent/CN112497673A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070218157A1 (en) * | 2006-03-15 | 2007-09-20 | Hon Hai Precision Industry Co., Ltd. | Molding apparatus with optical alignment mechanism |
| CN101518928A (en) * | 2008-02-25 | 2009-09-02 | 鸿富锦精密工业（深圳）有限公司 | Mould and adjustment method thereof |
| CN104416875A (en) * | 2013-08-29 | 2015-03-18 | 发那科株式会社 | Mold matching device of injection molding machine having center position adjustment function for mold plate |
| CN108466408A (en) * | 2018-04-10 | 2018-08-31 | 合肥光华机械有限公司 | A kind of refrigerator door closure injection mold |
| CN208133406U (en) * | 2018-04-25 | 2018-11-23 | 李华惠 | A kind of mold positioning device |
| CN209775395U (en) * | 2019-01-09 | 2019-12-13 | 苏州吉雄精密机械有限公司 | Accurate positioning type injection mold processing mould |
| CN110406050A (en) * | 2019-07-19 | 2019-11-05 | 泉州丰泽如通机械设计有限公司 | A kind of injection mold of auto parts and components manufacture |
| CN211074376U (en) * | 2019-10-30 | 2020-07-24 | 广州松洛特电子科技有限公司 | Positioning device of mold for producing television shell |
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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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220512 Address after: 430074 22 / F, building 1, modern international design city, Guannan science and Technology Industrial Park, Donghu New Technology Development Zone, Wuhan City, Hubei Province Applicant after: Zeng Surong Address before: 430040 22 / F, building 1, phase I, modern international design city, Guannan science and Technology Industrial Park, Donghu New Technology Development Zone, Wuhan City, Hubei Province Applicant before: Wuhan Wo Mei Kang Technology Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210316 |