PVC switch box point-gate hot runner mold
Technical Field
The utility model belongs to the technical field of hot runner molds, and particularly relates to a PVC switch box point-sprue hot runner mold.
Background
PVC (polyvinyl chloride) switch box is used for wiring in a box when a fixed panel is installed when a lamp, a switch and a socket are installed, and is formed by injection molding after polyvinyl chloride resin is matched with a stabilizer, a lubricant and the like, and a hot runner mold is most commonly used. The hot runner system is a component in the injection mold, which guides injection molding liquid injected by an injection molding machine to a casting molding cavity in the injection mold. The main component of the hot runner system is a splitter plate, which is also called a hot runner splitter plate and is a central component of the hot runner system, and the splitter plate distributes the plastic melt conveyed by a main runner nozzle to each injection point nozzle through a flow channel. The flow distribution plate can ensure that the cavity of the mold is uniformly filled, the plastic flows in a balanced manner, and the heat of the system is balanced.
In the hot runner mold in the prior art, when the interior of the flow distribution plate is heated, because the structure is unreasonable, heat is easy to lose along with the heating process, so that energy loss is caused, and the energy consumption is increased; meanwhile, cross flow is easy to generate due to a large number of discharge ports, the flow rate of the molten blank is different, the plasticizing performance of the molten blank is poor, and finally the quality of a PVC switch box product is poor, and particularly the strength and the dimensional accuracy of a functional block part are difficult to guarantee; meanwhile, automation cannot be realized in the demolding process, and the production efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a PVC switch box point gate hot runner mold.
The technical scheme of the utility model is as follows:
the PVC switch box point-gate hot runner mold is characterized by comprising a heating template, an upper template and a lower template, wherein the heating template is connected with the upper template, the upper template is connected with the lower template in a matched manner, and a forming module is arranged between the upper template and the lower template;
a heating assembly is arranged on one side of the heating template, and a heating module is arranged in the heating template;
one side of the heating module is connected with a hot nozzle feeding piece, and the heating module is respectively connected with the heating module and the hot nozzle feeding piece; the other side of the heating module is symmetrically connected with a discharging piece, and the discharging piece is connected with the molding module;
the forming module comprises an upper forming die, a limiting template and a lower forming die, the upper forming die is matched and connected with the lower forming die, and the limiting template is arranged between the upper forming die and the lower forming die;
the upper forming die is connected with the upper die plate in a matched mode, and the lower forming die is connected with the lower die plate in a matched mode.
In the utility model, the heating module mainly plays the roles of shunting and heating; the hot nozzle feeding piece mainly plays a role in uniform feeding and heating.
Further, the heating template comprises a first plate body, one side of the first plate body is connected with a cover plate, a heat preservation cavity is arranged in the first plate body, a second line cavity is arranged on one side of the heat preservation cavity, and the connecting line of the heating assembly is arranged in the second line cavity.
Further, the heating module is connected with the heat preservation chamber in a matched mode, and the temperature of the heating module is not prone to loss through the arrangement of the heat preservation chamber.
Furthermore, a feed hole is formed in the middle of the heating module, and discharge holes are symmetrically formed in one surface, far away from the feed hole, of the heating module. According to the utility model, through the arrangement of the heating module, after materials enter the heating module through the feed hole in the middle, the materials uniformly flow to the discharge holes on two sides, and in the process, the heating module can be uniformly heated integrally, cross flow cannot be generated, the flow rate of molten blanks is consistent, and the product quality of the PVC switch box can be guaranteed.
Furthermore, the hot nozzle feeding piece is connected with the feeding hole, and one side of the discharging piece is connected with the discharging hole.
Furthermore, a feeding cavity is arranged in the hot nozzle feeding piece, and the section of the feeding cavity in the vertical direction is in an isosceles trapezoid shape. By the arrangement, the uniformity of feeding can be ensured; the outside in feeding chamber is equipped with first heating external member, first heating external member is connected with heating element, guarantees the even heating.
Furthermore, one end of the discharging part is provided with a nozzle, and the nozzle is a conical nozzle, so that the uniformity of discharging and the material spraying effect can be ensured.
Further, the lower template comprises an installation cavity, and the installation seat is arranged in the installation cavity.
Further, the apron is equipped with the mounting hole, one side of mounting hole is equipped with first line chamber, hot mouth feeding piece sets up with the mounting hole cooperation, hot mouth feeding piece is connected with heating element, and interconnecting link sets up at first line intracavity.
Further, the upper forming die comprises a first forming cavity, and a first forming module is arranged in the first forming cavity.
Further, lower forming die includes the mount pad, the symmetry is equipped with connecting module on the mount pad, the last second forming module that is equipped with of connecting module.
Furthermore, the limiting template is symmetrically provided with second molding cavities, and the second molding modules are connected with the second molding cavities in a matched mode. The first molding module and the second molding module are arranged in a matched mode, and a product is subjected to injection molding in an area between the first molding cavity and the second molding cavity.
According to the utility model, through the action of the heating assembly, heating and feeding are respectively realized on the hot nozzle feeding piece and the heating module; and then the uniformity of feeding and discharging can be ensured by uniformly distributing the heating modules and arranging the nozzles of the discharging parts, so that the PVC switch box forms each functional area between the first molding cavity and the second molding cavity through the matching molding of the first molding module and the second molding module.
Furthermore, the die-casting device further comprises a die-casting assembly, and the die-casting assembly is connected with the lower template in a matching manner. The lower die plate is internally provided with an ejection piece, one end of the ejection piece is symmetrically provided with an inclined top, and the inclined top faces the second forming module. The mounting seat is provided with a limiting hole, and one side of the ejection piece is connected with the limiting hole in a matched mode.
According to the utility model, automatic demoulding can be realized through the arrangement of the demoulding component and the ejection part, and after injection moulding, the product above the second moulding module is ejected by the inclined ejection part, so that automatic demoulding is realized.
In particular, each part of the utility model can be provided with a through hole for material circulation according to actual needs to form a finished feeding channel.
According to the utility model, through the action of the heating assembly, heating and feeding are respectively realized on the hot nozzle feeding piece and the heating module; the uniformity of feeding and discharging can be ensured by uniform distribution of the heating module and arrangement of a discharging part nozzle, so that the PVC switch box is molded in an area between the first molding area and the second molding area; through the setting of drawing of patterns subassembly and liftout piece, can realize the automatic drawing of patterns after the product shaping.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the present invention;
FIG. 3 is a partial schematic view of an embodiment of the present invention;
FIG. 4 is a partial schematic view of an embodiment of the present invention;
FIG. 5 is a partial schematic view of an embodiment of the present invention;
FIG. 6 is a partial schematic view of an embodiment of the present invention;
FIG. 7 is a partial schematic view of an embodiment of the present invention;
FIG. 8 is a partial schematic view of an embodiment of the present invention;
FIG. 9 is a partial schematic view of an embodiment of the present invention;
FIG. 10 is a partial schematic view of an embodiment of the present invention;
FIG. 11 is a partial schematic view of an embodiment of the present invention;
FIG. 12 is a partial schematic view of an embodiment of the present invention;
FIG. 13 is a partial schematic view of an embodiment of the present invention;
FIG. 14 is a partial schematic view of an embodiment of the present invention;
FIG. 15 is a schematic structural diagram of a PVC switch box produced according to an embodiment of the present invention;
FIG. 16 is a schematic structural diagram of a PVC switch box produced according to an embodiment of the present invention;
fig. 17 is a partial structural diagram of an embodiment of the utility model.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A PVC switch box point-gate hot runner mold is characterized by comprising a heating template 1, an upper template 2 and a lower template 3, wherein the heating template is connected with the upper template, the upper template is connected with the lower template in a matching way, and a forming module 4 is arranged between the upper template and the lower template;
a heating assembly 5 is arranged on one side of the heating template, and a heating module 6 is arranged in the heating template;
one side of the heating module is connected with a hot nozzle feeding piece 7, and the heating module is respectively connected with the heating module and the hot nozzle feeding piece; the other side of the heating module is symmetrically connected with a discharging piece 8, and the discharging piece is connected with the molding module;
the forming module comprises an upper forming die 41, a limiting template 42 and a lower forming die 43, the upper forming die is matched and connected with the lower forming die, and the limiting template is arranged between the upper forming die and the lower forming die;
the upper forming die is connected with the upper die plate in a matched mode, and the lower forming die is connected with the lower die plate in a matched mode.
In the utility model, the heating module mainly plays the roles of shunting and heating; the hot nozzle feeding piece mainly plays a role in uniform feeding and heating.
Further, the heating template includes first plate body 11, one side of first plate body is connected with apron 12, be equipped with heat preservation chamber 111 in the first plate body, one side in heat preservation chamber is equipped with second line chamber 112, heating element's interconnecting link setting is in the second line intracavity.
Further, the heating module is connected with the heat preservation chamber in a matched mode, and the temperature of the heating module is not prone to loss through the arrangement of the heat preservation chamber.
Furthermore, a feed hole 61 is formed in the middle of the heating module, and discharge holes 62 are symmetrically formed in one surface of the heating module, which is far away from the feed hole. According to the utility model, through the arrangement of the heating module, after materials enter the heating module through the feed hole in the middle, the materials uniformly flow to the discharge holes on two sides, and in the process, the heating module can be uniformly heated integrally, cross flow cannot be generated, the flow rate of molten blanks is consistent, and the product quality of the PVC switch box can be guaranteed.
Furthermore, the hot nozzle feeding piece is connected with the feeding hole, and one side of the discharging piece is connected with the discharging hole.
Furthermore, a feeding cavity 71 is arranged in the hot nozzle feeding piece, and the section of the feeding cavity in the vertical direction is in an isosceles trapezoid shape. By the arrangement, the uniformity of feeding can be ensured; the outside of feeding chamber is equipped with first heating external member 72, first heating external member is connected with heating element, guarantees the even heating.
Further, one end of the discharging part is provided with a nozzle 81, and the nozzle is a conical nozzle, so that the uniformity of discharging and the material spraying effect can be ensured. The discharge part is provided with a second heating external member 82, so that the material temperature during discharge can be ensured. The second heating kit is connected with the heating assembly.
Further, the lower template comprises a mounting cavity 31, and the mounting seat is arranged in the mounting cavity.
Further, the apron is equipped with mounting hole 121, one side of mounting hole is equipped with first chamber 122, hot mouth feeding piece sets up with the mounting hole cooperation, hot mouth feeding piece is connected with heating element, and interconnecting link sets up at first intracavity.
Further, the upper forming mold includes a first forming cavity 411, and a first forming module 44 is disposed in the first forming cavity.
Further, the lower molding die comprises a mounting seat 431, connecting modules 432 are symmetrically arranged on the mounting seat, and second molding modules 45 are arranged on the connecting modules.
Further, the limiting template is symmetrically provided with second molding cavities 421, and the second molding modules are connected with the second molding cavities in a matching manner. The first molding module and the second molding module are arranged in a matched mode, and a product is subjected to injection molding in an area between the first molding cavity and the second molding cavity.
According to the utility model, through the action of the heating assembly, heating and feeding are respectively realized on the hot nozzle feeding piece and the heating module; and then the uniformity of feeding and discharging can be ensured by uniformly distributing the heating modules and arranging the nozzles of the discharging parts, so that the PVC switch box forms each functional area between the first molding cavity and the second molding cavity through the matching molding of the first molding module and the second molding module.
In particular, each part of the utility model can be provided with a through hole for material circulation according to actual needs to form a finished feeding channel.
According to the utility model, through the action of the heating assembly, heating and feeding are respectively realized on the hot nozzle feeding piece and the heating module; then through the even reposition of redundant personnel of heating module and the setting of play work piece nozzle, can guarantee the degree of consistency of feeding, ejection of compact for the regional shaping of PVC switch box 10 between first forming area and second forming area.
Example 2
The embodiment provides a PVC switch box point-sprue hot runner mold the same as that in embodiment 1, and is different from that in embodiment 1, the PVC switch box point-sprue hot runner mold further comprises a demolding assembly 9, and the demolding assembly is connected with the lower template in a matched mode. An ejector 91 is arranged in the lower template, an inclined top 911 is symmetrically arranged at one end of the ejector, and the inclined top faces the second molding module. The mounting seat is provided with a limiting hole 4311, and one side of the ejection piece is connected with the limiting hole in a matched mode.
According to the utility model, automatic demoulding can be realized through the arrangement of the demoulding component and the ejection part, and after injection moulding, the product above the second moulding module is ejected by the inclined ejection part, so that automatic demoulding is realized.
It will be evident to those skilled in the art that the utility model 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 utility model 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.