CN112677416A - Mould for pouring latex product and processing method - Google Patents
Mould for pouring latex product and processing method Download PDFInfo
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- CN112677416A CN112677416A CN202011594495.7A CN202011594495A CN112677416A CN 112677416 A CN112677416 A CN 112677416A CN 202011594495 A CN202011594495 A CN 202011594495A CN 112677416 A CN112677416 A CN 112677416A
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Abstract
The invention discloses a mold for pouring latex products and a processing method, relates to the technical field of injection molds, and aims to solve the problems that after injection molding, the cooling speed of some existing latex products is relatively high, the surfaces of the products are cooled but the insides of the products are still colloidal sometimes, and the quality of the products is reduced. The improved structure of the spring guide post comprises an upper template assembly, a lower template assembly, a central template assembly and a spring guide post, wherein the upper template assembly is arranged above the central template assembly, the lower template assembly is arranged below the central template assembly, the top of the upper template assembly is provided with a pouring gate, the upper template assembly and the lower template assembly are attached to the central template assembly and connected with the central template assembly, the spring guide post is arranged between the upper template assembly and the central template assembly, the central template assembly comprises a lower template and an upper template, the lower template is arranged above the upper template, and two ends of the lower template assembly and two ends of the upper template assembly are provided with combined lifting.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a mold for pouring a latex product and a processing method.
Background
Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding, and the injection molding can be divided into injection molding method and die casting method, wherein an injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die.
However, some latex products in the prior art have relatively large thickness, which results in relatively long cooling speed after injection molding, and sometimes the surface of the product is cooled but the inside of the product is still in a jelly state, thereby causing the quality of the product to be reduced; therefore, the existing requirements are not met, and a mold for pouring latex products and a processing method are provided for the mold.
Disclosure of Invention
The invention aims to provide a mould for pouring latex products and a processing method thereof, so as to solve the problems that the thickness of some existing latex products proposed in the background art is relatively large, the cooling speed is relatively long after injection molding, and the product quality is reduced due to the fact that the surface of the product is cooled but the interior of the product is still colloidal.
In order to achieve the purpose, the invention provides the following technical scheme: a mould for pouring latex products comprises an upper mould plate assembly, a central mould plate assembly and a lower mould plate assembly, wherein the upper mould plate assembly is arranged above the central mould plate assembly, the lower mould plate assembly is arranged below the central mould plate assembly, a pouring gate is arranged at the top of the upper mould plate assembly, the upper mould plate assembly and the lower mould plate assembly are connected with the central mould plate assembly in a fitting manner, a spring guide pillar is arranged between the upper mould plate assembly and the central mould plate assembly, the central mould plate assembly comprises a lower mould auxiliary plate and an upper mould auxiliary plate, the lower mould auxiliary plate is arranged above the upper mould auxiliary plate, two ends of the lower mould auxiliary plate and the upper mould auxiliary plate are respectively provided with a combined lifting plate, the combined lifting plates are fixedly connected with the lower mould auxiliary plate and the upper mould auxiliary plate, the tops of the upper mould plate assembly and the upper mould auxiliary plate are respectively provided with a mould plate, and the mould plates are connected with, the bottom of lower bolster subassembly and lower mould subplate is provided with the banding frame groove, and mould plate and banding frame groove built-up connection.
Preferably, the both sides of mould plate all are provided with the arc stopper, and the both sides in banding frame groove all are provided with the arc spacing groove, arc stopper and arc spacing groove built-up connection.
Preferably, the periphery of the die plate is provided with a guide pillar sleeve shaft, and the spring guide pillar is connected with the upper die plate assembly and the upper die auxiliary plate through the guide pillar sleeve shaft.
Preferably, guide pillar accommodating grooves are formed in the periphery of the edge sealing frame groove, and spring guide pillars of the edge sealing frame groove are connected with the lower die plate assembly and the lower die auxiliary plate through the guide pillar accommodating grooves.
Preferably, the top of the mold plate is provided with a mold injection groove, an injection splitter groove is arranged between the mold injection grooves, a runner groove hole is formed in the inner side of the mold injection groove, and the runner groove hole penetrates through the inner part of the injection splitter groove.
Preferably, a mold end block is arranged inside the edge sealing frame groove, a discharge port is arranged on the mold end block, and the discharge port is communicated with the pouring port.
Preferably, the surfaces of one sides of the lower die auxiliary plate and the upper die auxiliary plate are respectively provided with a switching port, and a switching cut-off valve is arranged in the switching ports.
A method for processing a mould for casting latex products comprises the following steps:
the method comprises the following steps: mounting spring guide posts at four corners of the top of the lower template assembly and the central template assembly, connecting the bottom of the central template assembly with the spring guide posts on the lower template assembly, and mounting the upper template assembly above the central template assembly;
step two: during injection molding, the central template assembly is pressed downwards to be combined with the lower template assembly, the upper template assembly is pressed downwards to be combined with the central template assembly, and the blank is injected into the mold through a pouring gate at the top of the central template assembly;
step three: the blank enters an injection molding shunt trough at the center of a mold plate through a discharge hole in the edge sealing frame trough, a runner slotted hole is respectively arranged on the periphery of the inside of the injection molding shunt trough, and the blank is conveyed into the injection molding trough of the mold through the runner slotted hole;
step four: after the mold injection groove between the upper template assembly and the central template assembly is filled with saturated materials, calculating the cooling forming speed, and then opening a transfer cutoff valve inside the central template assembly to enable the blank to enter the mold injection groove between the central template assembly and the lower template assembly;
step five: after the operations are finished, the cooling speed of the blank in the injection molding groove of the upper die is higher than that of the blank at the lower side, and at the moment, the central template assembly is taken out, and the blank in the lower die auxiliary plate is ejected into the upper template assembly;
step six: after the central template assembly is taken out, quickly combining the upper template assembly and the lower template assembly above to combine the blanks in the upper template assembly and the blanks in the lower template assembly;
step seven: the blanks in the lower die plate component which are not cooled are mutually fused after being contacted with the blanks in the upper die plate component, so that a complete die structure is formed.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention divides the die to be cast into two parts, the mass of the divided die is relatively small, which is beneficial to the rapid forming of the blank, simultaneously, the cooling time between the two groups of dies is pulled by using the time difference in the operation process, when one group of dies is cooled and formed, the central template component is pulled out, then the forming die in the upper template component and the non-formed die in the lower template component are combined, the formed die and the non-formed die are melted and bonded together again by using the temperature of the blank, and the presence or absence of the forming in the die can be fully observed in the process, thereby improving the quality and the production efficiency of the product.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a schematic structural view of an upper plate assembly of the present invention;
FIG. 3 is a schematic structural view of a lower mold plate assembly of the present invention
FIG. 4 is a schematic view of the center platen assembly of the present invention;
fig. 5 is an enlarged schematic view of the structure at the position a of the present invention.
In the figure: 1. an upper plate assembly; 2. a central template assembly; 3. a lower template component; 4. a pouring gate; 5. an arc-shaped limiting block; 6. an arc-shaped limiting groove; 7. a spring guide post; 8. sealing the frame groove; 9. a guide post receiving groove; 10. a mold end block; 11. a discharge port; 12. a guide post sleeve shaft; 13. a mold plate; 14. a mold injection molding groove; 15. a lower die subplate; 16. an upper die subplate; 17. combining a lifting plate; 18. a transfer port; 19. transferring a cut-off valve; 20. a runner slot; 21. and (5) injection molding of the splitter box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: a mould for pouring latex products comprises an upper template component 1, a central template component 2 and a lower template component 3, wherein the upper template component 1 is arranged above the central template component 2, the lower template component 3 is arranged below the central template component 2, a pouring gate 4 is arranged at the top of the upper template component 1, the upper template component 1 and the lower template component 3 are attached to the central template component 2, a spring guide post 7 is arranged between the upper template component 1, the lower template component 3 and the central template component 2, the central template component 2 comprises a lower template auxiliary plate 15 and an upper template auxiliary plate 16, the lower template auxiliary plate 15 is arranged above the upper template auxiliary plate 16, combined lifting plates 17 are arranged at two ends of the lower template auxiliary plate 15 and the upper template auxiliary plate 16, the combined lifting plates 17 are fixedly connected with the lower template auxiliary plate 15 and the upper template auxiliary plate 16, and mould plates 13 are arranged at the tops of the upper template component 1 and the upper template auxiliary plate 16, the mould plate 13 is connected with the upper mould plate component 1 and the upper mould auxiliary plate 16 through bolts, the bottom of the lower mould plate component 3 and the lower mould auxiliary plate 15 is provided with the edge sealing frame groove 8, the mould plate 13 is combined and connected with the edge sealing frame groove 8, the mould to be cast is divided into two parts through the upper mould plate component 1, the central mould plate component 2 and the lower mould plate component 3, the quality of the divided mould is relatively small, so that the blank is convenient to rapidly form, meanwhile, the cooling time between the two groups of moulds is pulled open by using the time difference in the operation process, after one group of moulds is cooled and formed, the central mould plate component 2 is pulled out, then the forming mould in the upper mould plate component 1 is combined with the mould which is not formed in the lower mould plate component 3, the formed mould and the mould which is not formed are melted and bonded together again by using the temperature of the blank, and the presence or absence of the inside of the mould can be fully observed in the process, thereby improving the quality and the production efficiency of the product.
Further, the both sides of mould plate 13 all are provided with arc stopper 5, and the both sides of banding frame groove 8 all are provided with arc spacing groove 6, and arc stopper 5 and 6 built-up connections in arc spacing groove are convenient for correct the location.
Further, a guide post sleeve shaft 12 is arranged around the die plate 13, and the spring guide post 7 is connected with the upper die plate assembly 1 and the upper die auxiliary plate 16 through the guide post sleeve shaft 12, so that the lifting function between the upper half die plates is realized.
Further, the guide pillar accommodating grooves 9 are formed in the periphery of the edge sealing frame groove 8, and the spring guide pillars 7 of the edge sealing frame groove are connected with the lower template assembly 3 and the lower auxiliary template 15 through the guide pillar accommodating grooves 9, so that the lifting function between the templates at the lower half part is achieved.
Further, the top of the mold plate 13 is provided with a mold injection groove 14, an injection shunt groove 21 is arranged between the mold injection grooves 14, a runner groove hole 20 is arranged on the inner side of the mold injection groove 14, and the runner groove hole 20 penetrates through the inside of the injection shunt groove 21.
Further, a mold end block 10 is arranged inside the edge sealing frame groove 8, and a discharge port is arranged on the mold end block 10 and is communicated with the pouring port 4.
Further, the surfaces of the lower die subplate 15 and the upper die subplate 16 are provided with switching ports 18, and the switching ports 18 are internally provided with switching cutoff valve members 19, so that the time difference control between the upper die and the lower die can be realized by controlling the switching cutoff valve members 19.
A method for processing a mould for casting latex products comprises the following steps:
the method comprises the following steps: installing spring guide posts 7 at four corners of the tops of the lower template assembly 3 and the central template assembly 2, then connecting the bottom of the central template assembly 2 with the spring guide posts 7 on the lower template assembly 3, and then installing the upper template assembly 1 above the central template assembly 2;
step two: during injection molding, the central template component 2 is pressed downwards to be combined with the lower template component 3, the upper template component 1 is pressed downwards to be combined with the central template component 2, and the blank is injected into the mold through a pouring gate 4 at the top of the central template component 2;
step three: the blank enters an injection molding shunt groove 21 in the center of the mold plate 13 through a discharge hole in the edge sealing frame groove 8, a runner groove hole 20 is respectively formed in the periphery of the inner part of the injection molding shunt groove 21, and the blank is conveyed into the mold injection molding groove 14 through the runner groove hole 20;
step four: after the mold injection groove 14 between the upper template assembly 1 and the central template assembly 2 is filled and saturated, calculating the cooling forming speed, and then opening a transfer cutoff valve 19 inside the central template assembly 2 to enable the blank to enter the mold injection groove 14 between the central template assembly 2 and the lower template assembly 3;
step five: after the above operations are completed, the cooling speed of the blank inside the upper mold injection groove 14 is fast, and the blank below is cooled and formed, at this time, the central template assembly 2 is taken out, and the blank in the lower mold auxiliary plate 15 is ejected into the upper template assembly 1;
step six: after the central template assembly 2 is taken out, rapidly combining the upper template assembly 1 and the lower template assembly 3 above to combine the blanks in the upper template assembly 1 and the blanks in the lower template assembly 3;
step seven: the uncooled blanks in the lower template assembly 3 are fused together after contacting the blanks in the upper template assembly 1, thereby forming a complete mold structure.
The working principle is as follows: when in use, the spring guide posts 7 are arranged at four corners of the top of the lower template component 3 and the central template component 2, then the bottom of the central template component 2 is connected with the spring guide posts 7 on the lower template component 3, then the upper template component 1 is arranged above the central template component 2, the central template component 2 is pressed downwards to be combined with the lower template component 3 during injection molding, the upper template component 1 is pressed downwards to be combined with the central template component 2, a blank is injected into the interior of the mold through the pouring gate 4 at the top of the central template component 2, the blank enters the injection shunting groove 21 at the center of the mold plate 13 through the discharge hole in the edge sealing frame groove 8, the periphery of the interior of the injection shunting groove 21 is respectively provided with a runner slotted hole 20, the blank is conveyed into the injection groove 14 through the runner slotted hole 20, after the injection groove 14 of the mold between the upper template component 1 and the central template component 2 is filled with saturated material, after the cooling forming speed is calculated, the transfer cutoff valve 19 in the central template assembly 2 is opened, so that the blank enters the mold injection groove 14 between the central template assembly 2 and the lower template assembly 3, after the above operation is completed, the cooling speed of the blank in the upper mold injection groove 14 is fast, the blank in the lower mold injection groove 14 is formed by cooling the blank below, at the moment, the central template assembly 2 is taken out, the blank in the lower mold sub-plate 15 is pushed into the upper template assembly 1, after the central template assembly 2 is taken out, the upper template assembly 1 and the lower template assembly 3 above are fast combined, the blank in the upper template assembly 1 and the blank in the lower template assembly 3 are combined, the uncooled blanks in the lower template assembly 3 are mutually fused after being contacted with the blank in the upper template assembly 1, and a complete mold structure is formed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a mould of pouring latex product, includes cope match-plate pattern subassembly (1), central template subassembly (2) and lower bolster subassembly (3), its characterized in that: the upper template component (1) is arranged above the central template component (2), the lower template component (3) is arranged below the central template component (2), a pouring gate (4) is arranged at the top of the upper template component (1), the upper template component (1) and the lower template component (3) are attached to and connected with the central template component (2), a spring guide pillar (7) is arranged between the upper template component (1) and the central template component (2) and between the lower template component (3) and the central template component (2), the central template component (2) comprises a lower template (15) and an upper template (16), the lower template (15) is arranged above the upper template (16), both ends of the lower template (15) and the upper template (16) are respectively provided with a combined lifting plate (17), and the combined lifting plate (17) is fixedly connected with the lower template (15) and the upper template (16), the top of cope match-plate pattern spare (1) and last mould subplate (16) all is provided with mould plate (13), and mould plate (13) pass through bolted connection with cope match-plate pattern spare (1) and last mould subplate (16), the bottom of lower bolster subassembly (3) and lower mould subplate (15) is provided with banding frame groove (8), and mould plate (13) and banding frame groove (8) built-up connection.
2. A mold for casting a latex article according to claim 1, wherein: the both sides of mould plate (13) all are provided with arc stopper (5), and the both sides of banding frame groove (8) all are provided with arc spacing groove (6), arc stopper (5) and arc spacing groove (6) built-up connection.
3. A mold for casting a latex article according to claim 1, wherein: guide post sleeve shafts (12) are arranged on the periphery of the die plate (13), and the spring guide posts (7) are connected with the upper die plate component (1) and the upper die auxiliary plate (16) through the guide post sleeve shafts (12).
4. A mold for casting a latex article according to claim 1, wherein: guide post accommodating grooves (9) are formed in the periphery of the edge sealing frame groove (8), and spring guide posts (7) of the edge sealing frame groove are connected with the lower die plate assembly (3) and the lower die auxiliary plate (15) through the guide post accommodating grooves (9).
5. A mold for casting a latex article according to claim 1, wherein: the injection molding device is characterized in that a mold injection molding groove (14) is formed in the top of the mold plate (13), an injection molding diversion groove (21) is formed between the mold injection molding grooves (14), a runner groove hole (20) is formed in the inner side of the mold injection molding groove (14), and the runner groove hole (20) penetrates through the inner portion of the injection molding diversion groove (21).
6. A mold for casting a latex article according to claim 1, wherein: and a mold end block (10) is arranged in the edge sealing frame groove (8), a discharge hole is formed in the mold end block (10), and the discharge hole is communicated with the pouring gate (4).
7. A mold for casting a latex article according to claim 1, wherein: the surface of one side of each of the lower die auxiliary plate (15) and the upper die auxiliary plate (16) is provided with a switching port (18), and a switching cutoff valve piece (19) is arranged inside each switching port (18).
8. A method for processing a mold for casting a latex product, which is realized based on the mold for casting a latex product of any one of claims 1 to 7, and is characterized by comprising the following steps:
the method comprises the following steps: installing spring guide posts (7) at four corners of the top of the lower template component (3) and the top of the central template component (2), then connecting the bottom of the central template component (2) with the spring guide posts (7) on the lower template component (3), and then installing the upper template component (1) above the central template component (2);
step two: during injection molding, the central template component (2) is pressed downwards to be combined with the lower template component (3), the upper template component (1) is pressed downwards to be combined with the central template component (2), and a blank is injected into the mold through a pouring gate (4) at the top of the central template component (2);
step three: the blank enters an injection molding shunt groove (21) at the center of a mold plate (13) through a discharge hole in the edge sealing frame groove (8), the periphery of the inner part of the injection molding shunt groove (21) is respectively provided with a runner slotted hole (20), and the blank is conveyed into a mold injection molding groove (14) through the runner slotted hole (20);
step four: after the injection molding groove (14) between the upper template assembly (1) and the central template assembly (2) is filled and saturated, calculating the cooling forming speed, and then opening a transfer cutoff valve (19) inside the central template assembly (2) to enable the blank to enter the injection molding groove (14) between the central template assembly (2) and the lower template assembly (3);
step five: after the operation is finished, the cooling speed of the blank in the upper die injection groove (14) is fast, the blank in the lower die injection groove is cooled and formed, at the moment, the central template assembly (2) is taken out, and the blank in the lower die auxiliary plate (15) is ejected into the upper template assembly (1);
step six: after the central template assembly (2) is taken out, quickly combining the upper template assembly (1) and the lower template assembly (3) above to combine the blanks in the upper template assembly (1) and the blanks in the lower template assembly (3);
step seven: the uncooled blanks in the lower die plate component (3) are mutually fused after being contacted with the blanks in the upper die plate component (1), so that a complete die structure is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594495.7A CN112677416B (en) | 2020-12-29 | 2020-12-29 | Mould for pouring latex product and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594495.7A CN112677416B (en) | 2020-12-29 | 2020-12-29 | Mould for pouring latex product and processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112677416A true CN112677416A (en) | 2021-04-20 |
| CN112677416B CN112677416B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011594495.7A Active CN112677416B (en) | 2020-12-29 | 2020-12-29 | Mould for pouring latex product and processing method |
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| CN (1) | CN112677416B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207696878U (en) * | 2017-11-28 | 2018-08-07 | 天津三卓韩一橡塑科技股份有限公司 | A kind of encapsulated jig of shunting for earphone fixed component |
| CN111070574A (en) * | 2019-12-25 | 2020-04-28 | 管政 | Processing method and mould for pouring latex product |
| CN212072586U (en) * | 2020-05-06 | 2020-12-04 | 深圳市鑫合泰橡胶制品有限公司 | Shock absorption block die |
-
2020
- 2020-12-29 CN CN202011594495.7A patent/CN112677416B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207696878U (en) * | 2017-11-28 | 2018-08-07 | 天津三卓韩一橡塑科技股份有限公司 | A kind of encapsulated jig of shunting for earphone fixed component |
| CN111070574A (en) * | 2019-12-25 | 2020-04-28 | 管政 | Processing method and mould for pouring latex product |
| CN212072586U (en) * | 2020-05-06 | 2020-12-04 | 深圳市鑫合泰橡胶制品有限公司 | Shock absorption block die |
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| Publication number | Publication date |
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| CN112677416B (en) | 2022-06-24 |
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