CN113771300A - Thermoplastic elastomer forming die - Google Patents
Thermoplastic elastomer forming die Download PDFInfo
- Publication number
- CN113771300A CN113771300A CN202111058262.XA CN202111058262A CN113771300A CN 113771300 A CN113771300 A CN 113771300A CN 202111058262 A CN202111058262 A CN 202111058262A CN 113771300 A CN113771300 A CN 113771300A
- Authority
- CN
- China
- Prior art keywords
- fixed die
- movable
- fixed
- core
- plate
- 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
- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 22
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 abstract description 11
- 239000000806 elastomer Substances 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering 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
- 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)
Abstract
The invention discloses a thermoplastic elastomer forming die which comprises a movable die holder and a fixed die holder, wherein a feeding channel is arranged on the top surface of the fixed die holder, an annular positioning ring is arranged at the feeding channel, and the positioning ring is locked on the fixed die holder plate through a bolt. The upper end fixedly connected with of die holder is with the inlet pipe that feed channel intercommunication set up. A sprue is arranged in the fixed die plate, a plurality of criss-cross cooling water channels are arranged in the fixed die plate, and a connector for cooling water to enter and flow out is arranged on the side surface of the fixed die plate; the fixed die core is arranged in the fixed die plate, four corners of the fixed die core are provided with concave notches matched with the movable die core, and the fixed die core is provided with a molding cavity; the movable mould core is characterized in that embedded blocks are arranged at four corners of the movable mould core, a mould cavity matched with the fixed mould core for forming is arranged at the center of the interior of the movable mould core, and a pouring gate is arranged between the mould cavities. The invention improves the forming stability, and is beneficial to cooling the slender elastomer and improving the product quality by reasonably arranging the cooling water channel to absorb heat.
Description
Technical Field
The invention belongs to the field of ice cream molds, and particularly relates to a thermoplastic elastomer forming mold.
Background
The thermoplastic elastomer is an elastomer having rubber elasticity at normal temperature and capable of being plasticized at high temperature. The thermoplastic elastomer has the structural characteristics that different resin segments and rubber segments are formed by chemical bonds, the resin segments form physical cross-linking points by virtue of inter-chain acting force, and the rubber segments are high-elasticity segments and contribute to elasticity. The physical cross-linking of the plastic segment changes reversibly with temperature, indicating the plastic processing characteristics of the thermoplastic elastomer. Therefore, thermoplastic elastomers have the physical and mechanical properties of vulcanized rubber and the processing properties of thermoplastics, are a novel polymer material between rubber and resin, and are often called third-generation rubber.
When the existing thermoplastic elastomer forming die is used for processing sealing ring products, product defects are easily caused due to problems of insufficient cooling and the like, and the qualified rate is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a thermoplastic elastomer forming die which adopts two-plate dies and a cold runner for ox horn pouring, has good cooling effect and higher qualification rate.
In order to achieve the aim, the invention provides a thermoplastic elastomer forming die, which comprises a movable die holder and a fixed die holder, wherein the top surface of the fixed die holder is provided with a feeding channel, an annular positioning ring is arranged at the feeding channel and is locked on the fixed die holder plate through a bolt,
the upper end of the fixed die base is fixedly connected with a feeding pipe communicated with the feeding channel, and a control valve is installed on the feeding pipe; a sprue is arranged in the fixed die plate, a plurality of criss-cross cooling water channels are arranged in the fixed die plate, and a connector for cooling water to enter and flow out is arranged on the side surface of the fixed die plate; the fixed die is provided with a main exhaust hole which penetrates through the fixed die and is positioned below the parting surface of the fixed die,
the fixed die core is arranged in the fixed die plate, four corners of the fixed die core are provided with concave notches matched with the movable die core, and the fixed die core is provided with a molding cavity; the four corners of the movable mould core are provided with embedded blocks, the center of the interior of the movable mould core is provided with a mould cavity for molding matched with the fixed mould core, a sprue is arranged between the mould cavities,
a plurality of criss-cross cooling water channels are arranged in the movable template, and a connector for cooling water to enter and flow out is arranged on the side surface of the movable template; a plurality of thimble holes are arranged in the movable template, the thimble passes through the thimble holes for blanking, a push plate and a top plate are arranged at the center of the right side of the movable template, the thimble is arranged on the top plate,
the movable mould plate is connected with two symmetrical supporting plates, a movable mould seat plate is arranged on the right side of each supporting plate, and the movable mould seat plate is connected with a driving device of the injection molding machine.
Furthermore, symmetrical grooves are formed between the two sides of the movable mould core sprue and the mould cavity.
Furthermore, a plurality of groups of damping springs are arranged between the push plate and the movable template.
Furthermore, a buckle in a shape like a Chinese character 'pin' is installed on the side face of the movable template, and a connecting block is arranged on the fixed template and matched with the fixed template.
The invention has the beneficial effects that:
the thermoplastic elastomer forming die is provided with the buckles, so that the matching precision of the fixed die plate and the movable die plate is improved, the forming stability is improved, heat absorption is realized through the reasonable arrangement of the cooling water channels, the cooling of the slender elastomer is facilitated, and the product quality is improved.
Drawings
FIG. 1 is a schematic perspective view of a thermoplastic elastomer molding die according to the present invention;
FIG. 2 is an exploded view of a thermoplastic elastomer forming mold according to the present invention;
FIG. 3 is an enlarged perspective view of a mold core of the thermoplastic elastomer molding mold according to the present invention;
fig. 4 is an enlarged perspective view of a cooling water passage of the thermoplastic elastomer molding die according to the present invention.
In the figure: 1. a movable mould seat plate; 2. a support plate; 3. a damping spring; 4. moving the template; 5. fixing a template; 6. a fixed die base plate; 7. positioning rings; 8. buckling; 9. fixing a mold core; 10. a movable mould core; 11. a cooling water channel; 12. a push plate.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the thermoplastic elastomer forming die comprises a movable die holder and a fixed die holder, wherein a feeding channel is arranged on the top surface of the fixed die holder, an annular positioning ring 7 is arranged at the feeding channel, and the positioning ring 7 is locked on a fixed die holder plate 6 through a bolt. As shown in fig. 2, the upper end of the fixed die holder is fixedly connected with a feed pipe communicated with the feed channel, and the feed pipe is provided with a control valve; a pouring gate is arranged in the fixed die plate 5, a plurality of cooling water channels 11 which are criss-cross are arranged in the fixed die plate 5, and a connector for cooling water to enter and flow out is arranged on the side surface of the fixed die plate 5; and the fixed die is provided with a main exhaust hole which penetrates through and is positioned below the parting surface of the fixed die.
As shown in fig. 3, the fixed mold core 9 is installed in the fixed mold plate 5, four corners of the fixed mold core 9 are provided with concave notches matched with the movable mold core 10, and the fixed mold core 9 is provided with a molding cavity; the four corners of the movable mould core 10 are provided with embedded blocks, the center of the interior of the movable mould core is provided with a mould cavity matched with the fixed mould core 9 for forming, and a pouring gate is arranged between the mould cavities.
As shown in fig. 4, a plurality of criss-cross cooling water channels 11 are installed in the movable mold plate 4, and a connector for the cooling water to enter and flow out is arranged on the side surface of the movable mold plate 4; a plurality of thimble holes are formed in the movable mould plate 4, the thimbles penetrate through the thimble holes to perform blanking, a push plate 12 and a top plate are arranged at the center of the right side of the movable mould plate 4, and the thimbles are mounted on the top plate.
The movable mould plate 4 is connected with two symmetrical supporting plates 2, a movable mould base plate 1 is installed on the right side of each supporting plate 2, and the movable mould base plate 1 is connected with a driving device of the injection molding machine.
In one example, symmetrical grooves are formed between the two sides of the gate of the movable mold core 10 and the cavity.
In one example, a plurality of groups of damping springs 3 are arranged between the push plate 12 and the movable die plate 4.
In one example, a triangle-shaped buckle 8 is installed on the side surface of the movable template 4, and a connecting block is arranged on the fixed template 5 to be matched with the fixed template.
The working principle of the invention is as follows:
according to the thermoplastic elastomer forming die, the T-shaped buckles 8 are arranged at the movable die plate 4 and the fixed die plate 5, so that the stability during injection molding is improved. The purpose of forming the non-sprue elastomer product by utilizing the part of the surface of the cutting sprue which protrudes into the cavity is improved, and the appearance quality of the elastomer is improved. Through set up two cold runner ox horns in movable mould board 4, fixed die plate 5 and advance to water, can in time cool down fixed mould benevolence 9, movable mould benevolence 10, avoid slender type product, if the thickness of oval sealing washer is uneven, easy cracked phenomenon improves product quality.
In conclusion, the buckle is arranged to improve the matching precision of the fixed die plate and the movable die plate, the forming stability is improved, and the cooling water channel is reasonably arranged to absorb heat, so that the cooling of the slender elastomer is facilitated, and the product quality is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (4)
1. A thermoplastic elastomer forming die is characterized in that: comprises a movable die holder and a fixed die holder, wherein a feeding channel is arranged on the top surface of the fixed die holder, an annular positioning ring (7) is arranged at the feeding channel, the positioning ring (7) is locked on a fixed die holder plate (6) through a bolt,
the upper end of the fixed die base is fixedly connected with a feeding pipe communicated with the feeding channel, and a control valve is installed on the feeding pipe; a pouring gate is arranged in the fixed template (5), a plurality of cooling water channels (11) which are criss-cross are arranged in the fixed template (5), and a connector for cooling water to enter and flow out is arranged on the side surface of the fixed template (5); the fixed die is provided with a main exhaust hole which penetrates through the fixed die and is positioned below the parting surface of the fixed die,
the fixed die core (9) is arranged in the fixed die plate (5), four corners of the fixed die core (9) are provided with concave notches matched with the movable die core (10), and the fixed die core (9) is provided with a molding cavity; the four corners of the movable mould core (10) are provided with embedded blocks, the center of the interior of the movable mould core is provided with a mould cavity for molding which is matched with the fixed mould core (9), a sprue is arranged between the mould cavities,
a plurality of criss-cross cooling water channels (11) are arranged in the movable template (4), and a connector for cooling water to enter and flow out is arranged on the side surface of the movable template (4); a plurality of thimble holes are arranged in the movable template (4), the thimble penetrates through the thimble holes for blanking, a push plate (12) and a top plate are arranged at the center of the right side of the movable template (4), the thimble is arranged on the top plate,
the movable mould plate (4) is connected with two symmetrical supporting plates (2), a movable mould base plate (1) is installed on the right side of each supporting plate (2), and the movable mould base plate (1) is connected with a driving device of the injection molding machine.
2. A thermoplastic elastomer forming die according to claim 1, wherein: symmetrical grooves are arranged between the two sides of the sprue of the movable mould core (10) and the mould cavity.
3. A thermoplastic elastomer forming die according to claim 1, wherein: and a plurality of groups of damping springs (3) are arranged between the push plate (12) and the movable template (4).
4. A thermoplastic elastomer forming die according to claim 1, wherein: the side surface of the movable template (4) is provided with a buckle (8) in a shape like a Chinese character 'pin', and the fixed template (5) is provided with a connecting block matched with the connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058262.XA CN113771300A (en) | 2021-09-09 | 2021-09-09 | Thermoplastic elastomer forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058262.XA CN113771300A (en) | 2021-09-09 | 2021-09-09 | Thermoplastic elastomer forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113771300A true CN113771300A (en) | 2021-12-10 |
Family
ID=78842217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111058262.XA Pending CN113771300A (en) | 2021-09-09 | 2021-09-09 | Thermoplastic elastomer forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113771300A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0584788A (en) * | 1991-09-27 | 1993-04-06 | Yoshida Kogyo Kk <Ykk> | Injection molding method and injection molding machine |
| JPH08244072A (en) * | 1995-03-10 | 1996-09-24 | Sekisui Chem Co Ltd | Injection mold and molding method |
| CN203650831U (en) * | 2013-11-08 | 2014-06-18 | 通达(厦门)科技有限公司 | Mold for producing ultra-thin-walled high-glossiness injection molding part |
| CN205631254U (en) * | 2016-05-20 | 2016-10-12 | 石家庄市社荣塑胶有限公司 | Synchronous injection mold with many types of chamber |
| CN107443677A (en) * | 2017-09-18 | 2017-12-08 | 苏州亮宇模具科技有限公司 | Medical treatment detection capsule endoscope robot lower casing injection mold |
| CN207535234U (en) * | 2017-09-25 | 2018-06-26 | 安徽工程大学 | A kind of injecting molding die of miniature gears |
| CN209987319U (en) * | 2019-05-13 | 2020-01-24 | 中山市绮发精密模具有限公司 | Precise injection mold |
| CN210702564U (en) * | 2019-11-06 | 2020-06-09 | 苏州宥安骏精密科技有限公司 | Die set |
| CN213006308U (en) * | 2020-08-25 | 2021-04-20 | 东莞市百优精密模具塑胶有限公司 | Injection mold of upper shell of head-mounted illuminating lamp |
-
2021
- 2021-09-09 CN CN202111058262.XA patent/CN113771300A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0584788A (en) * | 1991-09-27 | 1993-04-06 | Yoshida Kogyo Kk <Ykk> | Injection molding method and injection molding machine |
| JPH08244072A (en) * | 1995-03-10 | 1996-09-24 | Sekisui Chem Co Ltd | Injection mold and molding method |
| CN203650831U (en) * | 2013-11-08 | 2014-06-18 | 通达(厦门)科技有限公司 | Mold for producing ultra-thin-walled high-glossiness injection molding part |
| CN205631254U (en) * | 2016-05-20 | 2016-10-12 | 石家庄市社荣塑胶有限公司 | Synchronous injection mold with many types of chamber |
| CN107443677A (en) * | 2017-09-18 | 2017-12-08 | 苏州亮宇模具科技有限公司 | Medical treatment detection capsule endoscope robot lower casing injection mold |
| CN207535234U (en) * | 2017-09-25 | 2018-06-26 | 安徽工程大学 | A kind of injecting molding die of miniature gears |
| CN209987319U (en) * | 2019-05-13 | 2020-01-24 | 中山市绮发精密模具有限公司 | Precise injection mold |
| CN210702564U (en) * | 2019-11-06 | 2020-06-09 | 苏州宥安骏精密科技有限公司 | Die set |
| CN213006308U (en) * | 2020-08-25 | 2021-04-20 | 东莞市百优精密模具塑胶有限公司 | Injection mold of upper shell of head-mounted illuminating lamp |
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Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211210 |