CN219006852U - Multistage forming die - Google Patents
Multistage forming die Download PDFInfo
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- CN219006852U CN219006852U CN202223519213.4U CN202223519213U CN219006852U CN 219006852 U CN219006852 U CN 219006852U CN 202223519213 U CN202223519213 U CN 202223519213U CN 219006852 U CN219006852 U CN 219006852U
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Abstract
The utility model provides a multi-section forming die which comprises a movable die plate and a fixed die plate, wherein the movable die plate is provided with a movable die side rotating wheel and a movable die side motor for driving the movable die side rotating wheel; the multi-section forming die realizes that injection molding is finished on the same die for multiple times to form a complete product with all parts being injection molded by plastic materials with different characteristics, so that the production efficiency is improved, and the use cost of equipment and the cost of labor and storage are reduced; the utility model belongs to the technical field of dies.
Description
Technical Field
The utility model belongs to the technical field of dies, and particularly relates to a multi-section forming die.
Background
An injection mold is a product production device that injects a molten plastic material into a mold cavity and obtains a molded product after cooling and solidification. In the conventional mold structure, the fixed mold side cavity and the movable mold side cavity are usually fixed positions, so when the final molded product is formed by injection molding of plastic materials with different characteristics, is formed by splicing different shapes or does not meet the product shape of complete demolding conditions (such as a plastic box for wrapping an article), the final molded product can be produced by placing the final molded product on one injection molding device for the first time and then placing the final molded product on another injection molding device for the second time, thereby resulting in low production efficiency and improving the use cost of the device and the cost of labor and storage.
Disclosure of Invention
The utility model aims to provide a multi-section forming die, which is used for realizing that products are subjected to multi-time injection molding on the same die to form a complete product which is formed by injection molding of plastic materials with different characteristics, splicing of different shapes or not meeting the condition of complete demoulding, thereby improving the production efficiency and reducing the use cost of equipment and the cost of manpower and storage.
The multi-section forming die comprises a movable die plate and a fixed die plate, wherein the movable die plate is provided with a movable die side rotating wheel and a movable die side motor for driving the movable die side rotating wheel, a movable die side rotating die core is arranged on the movable die side rotating die core, a movable die side moving cavity is arranged on the movable die side rotating die core, the fixed die plate is provided with a fixed die side fixed die core and a fixed die side moving cavity which are arranged above the movable die side moving cavity, and the fixed die side fixed die core and the fixed die side moving cavity are respectively provided with a feeding channel connected with a pipeline of an injection molding machine.
According to the technical scheme, when the movable mold plate and the fixed mold plate are subjected to first mold closing, the movable mold side movable cavity and the fixed mold side fixed mold core are combined for injection molding of a semi-finished product, after that, the movable mold plate and the fixed mold plate are subjected to first mold opening, the movable mold side motor drives the movable mold side movable cavity to rotate through the movable mold side rotating wheel so as to move the movable mold side movable cavity containing the semi-finished product to the position below the fixed mold side movable cavity, after that, the movable mold plate and the fixed mold plate are subjected to second mold closing, and the movable mold side movable cavity and the fixed mold side movable cavity are combined for injection molding to perform second injection molding of the semi-finished product;
therefore, the multi-section forming die realizes that injection molding is finished on the same die for multiple times to form a complete product with all parts being molded by plastic materials with different characteristics, thereby improving the production efficiency and reducing the use cost of equipment and the cost of labor and storage.
In some embodiments, at least two moving die side moving cavities are arranged on the moving die side rotating die core, the fixed die side fixed die core is positioned right above one part of the moving die side moving cavities, and the fixed die side moving cavities are positioned right above the other part of the moving die side moving cavities; according to the technical scheme, the plurality of movable mould side moving cavities are alternately combined with the fixed mould core at the fixed mould side and the fixed mould side moving cavities for injection molding respectively, so that the injection molding efficiency is improved better.
In some embodiments, the fixed mold core is provided with a fixed mold side thimble, and the fixed mold side thimble is provided with a fixed mold side push plate; according to the technical scheme, when the mold is opened for the first time, the injection molding machine drives the fixed mold side ejector pins to separate the semi-finished product from the fixed mold core at the fixed mold side through the fixed mold side ejector plate, so that the semi-finished product is more stably left in the movable mold side movable cavity and is combined and moved to the position below the fixed mold side movable cavity.
In some embodiments, a movable mold side bearing mounted on the movable mold plate is arranged at the center of the movable mold side rotary mold core; according to the technical scheme, the movable mould side rotary mould core and the movable mould side rotary wheel are supported, so that the movable mould side rotary mould core and the movable mould side rotary wheel are not contacted with the movable mould plate, and friction force generated by the movable mould side rotary mould core, the movable mould side rotary wheel and the movable mould plate is reduced.
In some embodiments, the movable mold plate is provided with a movable mold side fixed mold core, the fixed mold plate is provided with a fixed mold side rotating wheel and a fixed mold side motor for driving the fixed mold side rotating wheel, the fixed mold side rotating wheel is provided with a fixed mold side rotating mold core, the fixed mold side moving cavity is provided with at least two fixed mold side moving cavities, one part of the fixed mold side moving cavities is positioned right above the movable mold side moving cavities, and the movable mold side fixed mold core is positioned right below the other part of the fixed mold side moving cavities;
according to the technical scheme, when the movable mold plate and the fixed mold plate are subjected to first mold closing, the movable mold side movable cavity and the fixed mold side fixed mold core are combined to form a semi-finished product through injection molding, meanwhile, the movable mold side fixed mold core and the fixed mold side movable cavity are combined to form a semi-finished product through injection molding, after that, the movable mold plate and the fixed mold plate are subjected to first mold opening, the movable mold side motor drives the movable mold side movable cavity to rotate through the movable mold side rotating wheel so as to move the movable mold side movable cavity containing the semi-finished product to the position below the fixed mold side movable cavity, meanwhile, the fixed mold side motor drives the fixed mold side movable cavity to rotate through the fixed mold side rotating wheel so as to move the fixed mold side movable cavity containing the semi-finished product to the position above the movable mold side movable cavity (namely the position above the front semi-finished product), and thereafter, the movable mold plate and the fixed mold plate are subjected to second mold closing, and the movable mold side movable mold cavity and the fixed mold side movable mold cavity are combined to perform injection molding so as to combine and connect the two semi-finished products;
therefore, the multi-section forming die can be used for splicing semi-finished products with different shapes into complete products on the same die, or the complete products with all parts being formed by injection molding of plastic materials with different characteristics are formed by injection molding for multiple times, or the complete products which do not meet the complete demoulding conditions are split and combined after injection molding, so that the production efficiency is low, and the use cost of equipment, the labor cost and the storage cost are reduced.
In some embodiments, a movable insert capable of being ejected downwards is arranged on the top wall of the movable cavity on the side of the fixed die, a reset plate is arranged on the top of the movable insert, a spring hole is arranged beside the movable insert, a first reset spring connected with the reset plate is arranged in the spring hole, the fixed die plate is penetrated with a lower push rod which is positioned above the movable cavity on the side of the fixed die, the movable cavity on the side of the fixed die and the reset plate at the same time, a gasket is fixed on the top end of the lower push rod, a second reset spring is directly arranged between the gasket and the fixed die plate, and a pressing plate for pressing the gasket is arranged above the fixed die plate;
according to the technical scheme, when the movable mold plate and the fixed mold plate are subjected to secondary mold closing, the injection molding machine drives the pressing plate to press the pressing pad downwards, so that the pressing pad ejects the movable insert in the movable cavity on the fixed mold side through the lower push rod, thereby pushing out and pressing a semi-finished product in the movable cavity on the fixed mold side onto the semi-finished product in the movable cavity on the movable mold side, and leaving a space for injecting plastic materials in the movable cavity on the fixed mold side, so that the sealing and encapsulation of the local position of a product are completed in the same mold.
In some embodiments, the movable mold side fixed mold core is provided with a movable mold side fixed mold cavity which can enter the fixed mold side movable mold cavity; according to the technical scheme, part of positions in the movable cavity of the fixed mold side are filled in the first mold closing injection molding process, so that more space is available in the second mold closing process, and plastic materials can be injected for encapsulation.
In some embodiments, the movable mold side fixed cavity is provided with a movable mold side ejector pin, and the movable mold side ejector pin is provided with a movable mold side push plate; according to the technical scheme, when the mold is opened for the first time, the injection molding machine drives the movable mold side ejector pins to separate the semi-finished product from the movable mold side fixed mold core through the movable mold side ejector plates, so that the semi-finished product is more stably left in the movable mold side moving cavity and is combined and moved to the position above the movable mold side moving cavity.
In some embodiments, the center of the stationary mold side rotating mold insert is provided with a stationary mold side bearing mounted on a stationary mold plate; according to the technical scheme, the fixed mold side rotating mold core and the fixed mold side rotating wheel are supported, so that the fixed mold side rotating mold core and the fixed mold side rotating wheel are not contacted with the fixed mold plate, and the friction force generated by the fixed mold side rotating mold core and the fixed mold side rotating wheel and the fixed mold plate is reduced.
In some embodiments, 4 moving die side moving cavities are arranged on the moving die side rotating die core, the 4 moving die side moving cavities are mutually symmetrical to the central axis of the moving die side rotating die core, and the fixed die side fixed die core is positioned above the two moving die side rotating die cores on one side; the fixed mold side rotating mold core is provided with 4 fixed mold side moving mold cavities, the 4 fixed mold side moving mold cavities are mutually symmetrical to the central axis of the fixed mold side rotating mold core, wherein the two fixed mold side moving mold cavities on one side are positioned above the two movable mold side rotating mold cores on the other side, and the movable mold side fixed mold core is positioned between the two fixed mold side moving mold cavities on the other side; according to the technical scheme, the injection molding amount in single mold closing is increased, and therefore the injection molding efficiency is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings and numerals that are required to be used in the description of the embodiments will be briefly described.
FIG. 1 is an exploded view of the structure of the present utility model;
FIG. 2 is an exploded view of the stationary platen of the present utility model;
FIG. 3 is an exploded view of the moving platen of the present utility model;
FIG. 4 is a transverse cross-sectional view of the present utility model;
fig. 5 is a longitudinal cross-sectional view of the present utility model.
Reference numerals:
1. a movable template; 10. a movable mold side bearing; 11. a movable mold side rotating wheel; 12. a movable mold side motor; 13. rotating the die core at the side of the movable die; 131. moving the cavity at the side of the movable mould; 14. a fixed mould core at the side of the movable mould; 141. a movable mold side fixed cavity; 142. a movable mould side ejector pin; 143. a movable mold side push plate; 2. a stationary mold plate; 20. a fixed die side bearing; 21. a fixed mold side rotating wheel; 22. a fixed mold side motor; 23. rotating the die core at the side of the fixed die; 231. moving the cavity at the side of the fixed die; 232. moving the insert; 233. a reset plate; 234. a spring hole; 235. a first return spring; 236. a push rod is downwards pushed; 237. a gasket; 238. a second return spring; 239. a pressing plate; 24. a feed channel; 25. a fixed mould core at the fixed mould side; 251. a fixed mold side thimble; 252. a fixed mold side pushing plate; 3. a lower shell product; 4. and (5) covering the product.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1 to 5, the present embodiment provides a multi-stage molding die, which includes a movable platen 1 and a fixed platen 2, the movable platen 1 is provided with a movable mold side runner 11 and a movable mold side motor 12 for driving the movable mold side runner 11, the movable mold side runner 11 is provided with a movable mold side rotating core 13, the movable mold side rotating core 13 is provided with a movable mold side moving cavity 131, the fixed platen 2 is provided with a fixed mold side fixed mold core 25 and a fixed mold side moving cavity 231 above the movable mold side moving cavity 131, and the fixed mold side fixed mold core 25 and the fixed mold side moving cavity 231 are respectively provided with a feed passage 24 connected with a pipe of an injection molding machine.
In operation, the movable mold plate 1 and the fixed mold plate 2 are subjected to primary mold closing, the movable mold plate 1 and the fixed mold plate side movable mold cavity 131 are combined with the fixed mold core 25 to perform injection molding of the lower shell product 3, thereafter, the movable mold plate 1 and the fixed mold plate 2 are subjected to primary mold opening, the movable mold side motor 12 drives the movable mold side movable mold cavity 131 to rotate through the movable mold side rotating wheel 11 so as to move the movable mold side movable mold cavity 131 containing the lower shell product 3 to the position below the fixed mold side movable mold cavity 231, and thereafter, the movable mold plate 1 and the fixed mold plate 2 are subjected to secondary mold closing, and the movable mold side movable mold cavity 131 and the fixed mold side movable mold cavity 231 are combined to perform injection molding to perform secondary injection molding of the lower shell product 3.
In some embodiments, at least two moving mold side moving cavities 131 are provided on the moving mold side rotating mold core 13, the fixed mold side fixed mold core 25 is located directly above one part of the moving mold side moving cavities 131, and the fixed mold side moving cavity 231 is located directly above the other part of the moving mold side moving cavities 131;
at the time of the second mold closing of the movable mold plate 1 and the fixed mold plate 2, the movable mold side movable cavity 131 containing the lower case product 3 is combined with the fixed mold side movable cavity 231 for injection molding, and at the same time, the other movable mold side movable cavity 131 is combined with the fixed mold side insert 25 for injection molding the lower case product 3.
In some embodiments, the stationary mold core 25 is provided with a stationary mold side ejector pin 251, and the stationary mold side ejector pin 251 is provided with a stationary mold side ejector plate 252;
in the first mold opening process, the injection molding machine drives the fixed mold side push plate 252 to descend, and the fixed mold side push plate 252 drives the fixed mold side ejector pins 251 to eject the lower shell product 3 and separate the fixed mold side fixed mold core 25.
In some embodiments, the center of the movable mold side rotary mold core 13 is provided with a movable mold side bearing 10 mounted on the movable mold plate 1 to support the movable mold side rotary mold core 13 and the movable mold side rotating wheel 11, so that the movable mold side rotary mold core 13 and the movable mold side rotating wheel 11 are not contacted with the movable mold plate 1, and friction force generated between the movable mold side rotary mold core 13 and the movable mold side rotating wheel 11 and the movable mold plate 1 is reduced.
In some embodiments, the movable mold plate 1 is provided with a movable mold side fixed mold core 14, the fixed mold plate 2 is provided with a fixed mold side rotating wheel 21 and a fixed mold side motor 22 for driving the fixed mold side rotating wheel 21, the fixed mold side rotating wheel 21 is provided with a fixed mold side rotating mold core 23, the fixed mold side moving cavity 231 is provided with at least two fixed mold side moving cavities 231, one part of the fixed mold side moving cavities 231 is positioned right above the movable mold side moving cavity 131, and the movable mold side fixed mold core 14 is positioned right below the other part of the fixed mold side moving cavities 231;
in operation, when the movable platen 1 and the fixed platen 2 are first clamped, the movable-mold-side movable cavity 131 and the fixed-mold-side fixed mold insert 25 are combined to injection mold the lower-case product 3, and simultaneously, the movable-mold-side fixed mold insert 14 and the fixed-mold-side movable cavity 231 are combined to injection mold the other upper-case product 4, after which the movable platen 1 and the fixed platen 2 are first opened, the movable-mold-side motor 12 drives the movable-mold-side movable cavity 131 to rotate through the movable-mold-side rotating wheel 11 to move the movable-mold-side movable cavity 131 containing the lower-case product 3 to below the fixed-mold-side movable cavity 231, and simultaneously, the fixed-mold-side motor 22 drives the fixed-mold-side movable cavity 231 to rotate through the fixed-mold-side rotating wheel 21 to move the fixed-side movable cavity 231 containing the upper-cover product 4 to above the movable-mold-side movable cavity 131 (i.e., above the movable-mold-side movable cavity 131 containing the lower-case product 3), after which the movable platen 1 and the fixed platen 2 are second clamped to perform the combined injection molding to the upper-case product 3.
According to the above-described scheme, a further option is provided for supplementing the features, the top wall of the moving cavity 231 on the side of the fixed mold is provided with a moving insert 232 capable of being ejected downwards, the top of the moving insert 232 is provided with a reset plate 233, a spring hole 234 is arranged beside the moving insert 232, a first reset spring 235 connected with the reset plate 233 is arranged in the spring hole 234, the fixed mold plate 2 is provided with a push-down rod 236 which is positioned above the moving cavity 131 on the side of the fixed mold, the moving cavity 231 on the side of the fixed mold and the reset plate 233 at the same time, the top end of the push-down rod 236 is fixed with a gasket 237, the gasket 237 and the fixed mold plate 2 are directly provided with a second reset spring 238, and the upper side of the fixed mold plate 2 is provided with a pressing plate 239 for pressing the gasket 237;
when the movable mold plate 1 and the fixed mold plate 2 are subjected to secondary mold closing, the injection molding machine drives the pressing plate 239 to descend, the pressing plate 239 descends to press down the gasket 237, so that the pressing gasket 237 ejects the movable insert 232 in the fixed mold side movable mold cavity 231 through the push rod 236, thereby pushing out the upper cover product 4 in the fixed mold side movable mold cavity 231 onto the lower shell product 3 placed in the movable mold side movable mold cavity 131, and the fixed mold side movable mold cavity 231 is made to make room for injecting plastic material so as to encapsulate and fix the upper cover product 4 on the lower shell product 3.
According to the above-described scheme, a feature can be further optionally supplemented, and the movable mold side fixed mold core 14 is convexly provided with a movable mold side fixed mold cavity 141 that can enter the fixed mold side movable mold cavity 231;
when the movable mold plate 1 and the fixed mold plate 2 are subjected to first mold closing, the movable mold side fixed cavity 141 is positioned in the fixed mold side movable cavity 231, and the peripheral part of the cavity of the movable mold side fixed cavity 141 fills the position of the fixed mold side movable cavity 231, which is not filled with plastic, so that when the movable mold plate 1 and the fixed mold plate 2 are subjected to first mold opening, an empty glue coating space is reserved at the periphery of an upper cover product 4 in the fixed mold side movable cavity 231.
According to the above-described aspects, a further feature may be optionally added, in which the movable mold side fixed cavity 141 is provided with a movable mold side ejector pin 142, and the movable mold side ejector pin 142 is provided with a movable mold side push plate 143;
in the first mold opening, the injection molding machine drives the movable mold side push plate 143 to rise, and the movable mold side push plate 143 drives the movable mold side ejector pin 142 to eject the upper cover product 4 to separate from the movable mold side fixed mold core 14.
According to the above-described aspects, it is possible to further select a supplementary feature that the center of the stationary mold side rotating core 23 is provided with the stationary mold side bearing 20 mounted on the stationary mold plate 2 to support the stationary mold side rotating core 23 and the stationary mold side rotating wheel 21 so that the stationary mold side rotating core 23 and the stationary mold side rotating wheel 21 do not contact with the stationary mold plate 2, reducing friction force generated between the stationary mold side rotating core 23 and the stationary mold side rotating wheel 21 and the stationary mold plate 2.
According to the above-described scheme, a further option is provided for supplementing the features that 4 movable mold side moving cavities 131,4 are provided on the movable mold side rotating core 13, the movable mold side moving cavities 131 are mutually symmetrical to the central axis of the movable mold side rotating core 13, and the fixed mold side fixed mold core 25 is located above two movable mold side rotating cores 13 on one side thereof; the fixed mold side rotating mold core 23 is provided with 4 fixed mold side moving mold cavities 231,4 fixed mold side moving mold cavities 231 which are mutually symmetrical to the central axis of the fixed mold side rotating mold core 23, wherein the two fixed mold side moving mold cavities 231 on one side are positioned above the two movable mold side rotating mold cores 13 on the other side, and the movable mold side fixed mold core 14 is positioned on the two fixed mold side moving mold cavities 231 on the other side.
The technical features described in some of the above-described embodiments may be combined arbitrarily, and in order to describe the introduction, a solution in which all possible combinations of the technical features in those embodiments are described is not described. Meanwhile, in order to more clearly understand effects, functions, and advantages generated by the arrangement of various technical feature combinations in some embodiments of the present utility model, the following examples are made for illustration.
Example 1
The embodiment provides a multi-section molding die, which comprises a movable die plate 1 and a fixed die plate 2.
The movable die plate 1 is provided with a movable die side rotating wheel 11 and a movable die side motor 12 for driving the movable die side rotating wheel 11, a movable die side rotating die core 13 is arranged on the movable die side rotating wheel 11, and a movable die side bearing 10 arranged on the movable die plate 1 is arranged in the center of the movable die side rotating die core 13 so as to support the movable die side rotating die core 13 and the movable die side rotating wheel 11; at least two movable mold side movable mold cavities 131 are arranged on the movable mold side rotary mold core 13.
The fixed die plate 2 is provided with a fixed die side fixed die core 25 and a fixed die side movable die cavity 231 which are arranged above the movable die side movable die cavity 131, the fixed die side fixed die core 25 and the fixed die side movable die cavity 231 are respectively provided with a feeding channel 24 connected with a pipeline of an injection molding machine, and the fixed die side movable die cavity 231 is arranged right above the movable die side movable die cavity 131 of the other part.
The following is the working procedure of the multi-section molding die according to this embodiment:
the movable mold plate 1 and the fixed mold plate 2 are subjected to first mold closing, the movable mold plate side movable cavity 131 and the fixed mold side fixed mold core 25 are combined and injection-molded into the lower shell product 3, after that, the movable mold plate 1 and the fixed mold plate 2 are subjected to first mold opening, the injection molding machine drives the fixed mold side push plate 252 to descend, the fixed mold side push plate 252 drives the fixed mold side ejector pin 251 to eject the lower shell product 3 out of the fixed mold side fixed mold core 25, the movable mold side motor 12 drives the movable mold side movable cavity 131 to rotate through the movable mold side rotating wheel 11 so as to move the movable mold side movable cavity 131 containing the lower shell product 3 below the fixed mold side movable cavity 231, after that, the movable mold plate 1 and the fixed mold plate 2 are subjected to second mold closing, the movable mold side movable cavity 131 containing the lower shell product 3 is combined and injection-molded into the lower shell product 3 with the fixed mold side movable mold core 25, and simultaneously the other movable mold side movable mold cavity 131 is combined and injection-molded into the lower shell product 3.
Example 2
The present embodiment provides another multi-stage molding die, which includes a movable platen 1 and a fixed platen 2.
The movable die plate 1 is provided with a movable die side rotating wheel 11 and a movable die side motor 12 for driving the movable die side rotating wheel 11, a movable die side rotating die core 13 is arranged on the movable die side rotating wheel 11, the center of the movable die side rotating die core 13 is provided with a movable die side bearing 10 arranged on the movable die plate 1 so as to support the movable die side rotating die core 13 and the movable die side rotating wheel 11, so that the movable die side rotating die core 13 and the movable die side rotating wheel 11 are not contacted with the movable die plate 1, and the movable die side rotating die core 13 is provided with 4 movable die side moving cavities 131,4 which are mutually symmetrical to the central axis of the movable die side rotating die core 13; the fixed template 2 is provided with a fixed mould side fixed mould core 25 positioned above the movable mould side movable mould cavity 131, the fixed mould side fixed mould core 25 is positioned above two movable mould side rotary mould cores 13 at one side, the fixed mould side fixed mould core 25 is provided with a fixed mould side thimble 251, the fixed mould side thimble 251 is provided with a fixed mould side push plate 252, and the fixed mould side fixed mould core 25 is connected with a feeding channel 24 of an injection molding machine pipeline.
The movable mold plate 1 is provided with a movable mold side fixed mold core 14, the fixed mold plate 2 is provided with a fixed mold side rotating wheel 21 and a fixed mold side motor 22 for driving the fixed mold side rotating wheel 21, the fixed mold side rotating wheel 21 is provided with a fixed mold side rotating mold core 23, the center of the fixed mold side rotating mold core 23 is provided with a fixed mold side bearing 20 arranged on the fixed mold plate 2 so as to support the fixed mold side rotating mold core 23 and the fixed mold side rotating wheel 21, and therefore the fixed mold side rotating mold core 23 and the fixed mold side rotating wheel 21 are not contacted with the fixed mold plate 2;
the fixed mold side rotating mold core 23 is provided with 4 fixed mold side moving mold cavities 231,4 fixed mold side moving mold cavities 231 which are mutually symmetrical to the central axis of the fixed mold side rotating mold core 23, wherein the two fixed mold side moving mold cavities 231 on one side are positioned above the two movable mold side rotating mold cores 13 on the other side;
the movable die plate 1 is provided with a movable die side fixed die core 14, two fixed die side movable die cavities 231 of the movable die side fixed die core 14 are positioned at the other side, the movable die side fixed die core 14 is convexly provided with a movable die side fixed die cavity 141 which can enter the fixed die side movable die cavity 231, the movable die side fixed die cavity 141 is provided with a movable die side thimble 142, and the movable die side thimble 142 is provided with a movable die side push plate 143;
the top wall of the fixed mold side moving cavity 231 is provided with a moving insert 232 which can be ejected downwards, the top of the moving insert 232 is provided with a reset plate 233, a spring hole 234 is arranged beside the moving insert 232, a first reset spring 235 connected with the reset plate 233 is arranged in the spring hole 234, the fixed mold plate 2 is provided with a push-down rod 236 which is positioned above the moving mold side moving cavity 131, the fixed mold side moving cavity 231 and the reset plate 233 at the same time, the top end of the push-down rod 236 is fixedly provided with a gasket 237, the gasket 237 and the fixed mold plate 2 are directly provided with a second reset spring 238, and the upper part of the fixed mold plate 2 is provided with a pressing plate 239 for pressing the gasket 237; the fixed mold side moving cavity 231 is provided with a feed passage 24 connected with a pipe of an injection molding machine.
The following is a working procedure of the multi-section molding die according to this embodiment:
when the movable mold plate 1 and the fixed mold plate 2 are subjected to primary mold closing, the two movable mold side movable cavities 131 positioned at one side are combined with the fixed mold side fixed mold core 25 to perform injection molding to form a lower shell product 3, meanwhile, the two movable mold side fixed mold cores 14 positioned at one side are combined with the fixed mold side movable cavity 231, the movable mold side fixed cavity 141 is positioned in the fixed mold side movable cavity 231, and the injection molding machine performs injection molding to the movable mold side fixed cavity 141 to form an upper cover product 4;
thereafter, the movable mold plate 1 and the fixed mold plate 2 are opened for the first time, the injection molding machine drives the fixed mold side push plate 252 to descend, the fixed mold side push plate 252 drives the fixed mold side ejector pin 251 to eject the lower shell product 3 out of the fixed mold side mold core 25, the lower shell product 3 is left in the movable mold side movable cavity 131, meanwhile, the injection molding machine drives the movable mold side push plate 143 to ascend, the movable mold side push plate 143 drives the movable mold side ejector pin 142 to eject the upper cover product 4 out of the movable mold side fixed mold core 14, and the upper cover product 4 is left in the fixed mold side movable cavity 231;
thereafter, the movable mold side motor 12 drives the movable mold side moving cavity 131 to rotate through the movable mold side runner 11 to move the movable mold side moving cavity 131 containing the lower case product 3 to below the fixed mold side moving cavity 231, and at the same time, the fixed mold side motor 22 drives the fixed mold side moving cavity 231 to rotate through the fixed mold side runner 21 to move the fixed mold side moving cavity 231 containing the upper cover product 4 to above the movable mold side moving cavity 131 (i.e., above the movable mold side moving cavity 131 containing the lower case product 3);
thereafter, the movable mold plate 1 and the fixed mold plate 2 are subjected to a second mold closing, the movable mold side movable cavity 131 containing the lower shell product 3 is combined with the fixed mold side movable cavity 231 containing the upper cover product 4, the empty two movable mold side movable cavities 131 are combined with the fixed mold side fixed mold insert 25 to mold a new lower shell product 3, the empty two movable mold side fixed mold inserts 14 are combined with the fixed mold side movable cavity 231, the movable mold side fixed cavity 141 is positioned in the fixed mold side movable cavity 231, and the injection molding machine performs injection molding on the movable mold side fixed cavity 141 to mold a new upper cover product 4;
thereafter, the injection molding machine drives the platen 239 to descend, the platen 239 descends to press down the gasket 237 so that the pressing-down gasket 237 ejects the moving insert 232 into the fixed mold side moving cavity 231 through the push down rod 236, thereby pushing out the upper cover product 4 in the fixed mold side moving cavity 231 onto the lower case product 3 placed in the movable mold side moving cavity 131, leaving the fixed mold side moving cavity 231 room for injecting plastic material, so as to perform encapsulation and splicing on the upper cover product 4 on the lower case product 3.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (10)
1. The utility model provides a multistage forming die, includes movable mould board (1) and fixed mould board (2), its characterized in that: the movable mold plate (1) is provided with a movable mold side rotating wheel (11) and a movable mold side motor (12) for driving the movable mold side rotating wheel (11), a movable mold side rotating mold core (13) is arranged on the movable mold side rotating mold core (11), a movable mold side moving cavity (131) is arranged on the movable mold side rotating mold core (13), the fixed mold plate (2) is provided with a fixed mold side fixed mold core (25) and a fixed mold side moving cavity (231) which are arranged above the movable mold side moving cavity (131), and the fixed mold side fixed mold core (25) and the fixed mold side moving cavity (231) are respectively provided with a feeding channel (24) connected with a pipeline of an injection molding machine.
2. A multi-segment molding die as defined in claim 1, wherein: at least two movable mould side movable mould cavities (131) are arranged on the movable mould side rotary mould core (13), the fixed mould side fixed mould core (25) is positioned right above one part of the movable mould side movable mould cavities (131), and the fixed mould side movable mould cavity (231) is positioned right above the other part of the movable mould side movable mould cavities (131).
3. A multi-segment molding die as defined in claim 2, wherein: the fixed mold core (25) on the side of the fixed mold is provided with a thimble (251) on the side of the fixed mold, and the thimble (251) on the side of the fixed mold is provided with a push plate (252) on the side of the fixed mold.
4. A multi-stage forming die according to claim 3, wherein: the center of the movable mold side rotary mold core (13) is provided with a movable mold side bearing (10) which is arranged on the movable mold plate (1).
5. A multi-stage forming die according to any one of claims 2 or 4, wherein: the movable mold plate (1) is provided with a movable mold side fixed mold core (14), the fixed mold plate (2) is provided with a fixed mold side rotating wheel (21) and a fixed mold side motor (22) for driving the fixed mold side rotating wheel (21), the fixed mold side rotating wheel (21) is provided with a fixed mold side rotating mold core (23), the fixed mold side movable mold cavity (231) is at least provided with two fixed mold side movable mold cavities (231), one part of the fixed mold side movable mold cavities (231) is located right above the movable mold side movable mold cavity (131), and the movable mold side fixed mold core (14) is located right below the other part of the fixed mold side movable mold cavities (231).
6. A multi-segment molding die as defined in claim 5, wherein: the top wall of the fixed mold side movable cavity (231) is provided with a movable insert (232) capable of being ejected downwards, a reset plate (233) is arranged at the top of the movable insert (232), a spring hole (234) is arranged beside the movable insert (232), and a first reset spring (235) connected with the reset plate (233) is arranged in the spring hole (234); the fixed die plate (2) is provided with a push-down rod (236) which is arranged above the movable die side moving cavity (131), the fixed die side moving cavity (231) and the reset plate (233) in a penetrating mode, a gasket (237) is fixed at the top end of the push-down rod (236), the gasket (237) and the fixed die plate (2) are directly provided with a second reset spring (238), and a pressing plate (239) for pressing down the gasket (237) is arranged above the fixed die plate (2).
7. The multi-segment molding die of claim 6, wherein: the movable mold side fixed mold core (14) is provided with a movable mold side fixed mold cavity (141) which can enter the fixed mold side movable mold cavity (231).
8. A multi-segment molding die as defined in claim 7, wherein: the movable mold side fixed cavity (141) is provided with a movable mold side ejector pin (142), and the movable mold side ejector pin (142) is provided with a movable mold side push plate (143).
9. A multi-segment molding die as defined in claim 8, wherein: the center of the fixed die side rotating die core (23) is provided with a fixed die side bearing (20) which is arranged on the fixed die plate (2).
10. A multi-stage forming die according to any one of claims 6 to 9, wherein: the movable mold side rotary mold core (13) is provided with 4 movable mold side movable mold cavities (131), the 4 movable mold side movable mold cavities (131) are mutually symmetrical to the central axis of the movable mold side rotary mold core (13), and the fixed mold side fixed mold core (25) is positioned above the two movable mold side rotary mold cores (13) at one side; the novel mold is characterized in that 4 fixed mold side movable mold cavities (231) are formed in the fixed mold side rotary mold core (23), the 4 fixed mold side movable mold cavities (231) are mutually symmetrical to the central axis of the fixed mold side rotary mold core (23), two fixed mold side movable mold cavities (231) are located above two movable mold side rotary mold cores (13) on the other side, and two movable mold side fixed mold cores (14) are located on the two fixed mold side movable mold cavities (231) on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223519213.4U CN219006852U (en) | 2022-12-28 | 2022-12-28 | Multistage forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223519213.4U CN219006852U (en) | 2022-12-28 | 2022-12-28 | Multistage forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219006852U true CN219006852U (en) | 2023-05-12 |
Family
ID=86269349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223519213.4U Active CN219006852U (en) | 2022-12-28 | 2022-12-28 | Multistage forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219006852U (en) |
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2022
- 2022-12-28 CN CN202223519213.4U patent/CN219006852U/en active Active
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