CN219445971U

CN219445971U - Injection mold for automobile key support

Info

Publication number: CN219445971U
Application number: CN202320572695.5U
Authority: CN
Inventors: 钱佳杰; 汤真总
Original assignee: Jiaxing Jiaheng Precision Mould Co ltd
Current assignee: Jiaxing Jiaheng Precision Mould Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-01
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses an injection mold for an automobile key bracket, which aims to provide an injection mold for an automobile key bracket, wherein the injection mold is stable and reliable in product molding, high in precision and high in surface smoothness and flatness, and comprises a fixed mold plate, a movable mold plate, a panel arranged on the fixed mold plate and a bottom plate arranged at the bottom of the movable mold plate, wherein a pouring opening is arranged on the panel, a fixed mold core is arranged on the fixed mold plate, a movable mold core is arranged on the movable mold plate, a key bracket molding cavity is formed between the fixed mold core and the movable mold core, an ejection mechanism is arranged between the movable mold plate and the bottom plate, a flow distribution system is arranged between the fixed mold plate and the panel, the flow distribution system comprises a flow distribution plate arranged between the fixed mold plate and the panel, an upper flow distribution channel and a lower flow distribution channel arranged in the flow distribution plate, and a plurality of heaters arranged on the flow distribution plate, and the upper flow distribution channel and the lower flow distribution channel are mutually communicated, and a thermal nozzle is communicated between the upper flow distribution channel and the key bracket molding cavity.

Description

Injection mold for automobile key support

Technical Field

The utility model relates to a processing injection mold, in particular to an injection mold for an automobile key bracket.

Background

The automobile remote control key can conveniently open the automobile door, brings convenience to an automobile owner, and is generally provided with a bracket for placing an automobile battery and matching with a key gland to form a complete whole automobile remote control key.

Typically, the center of the key holder 100 (shown in fig. 3 of the specification) will have a hollow circular groove design 101 (shown in fig. 3 of the specification) for clamping the battery of the automobile.

The traditional injection mold of the automobile key bracket adopts a mold core as a mold cavity for injection molding between a movable mold and a fixed mold, but has the following defects: 1. because the flow length of the molten material from the inside of the distribution plate to each nozzle is different, unbalance among the mold cavities can be caused, and the problems of product performance defects and color fading exist; 2. the heat and shearing process in the manifold can cause melt adhesion and poor product surface smoothness.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an injection mold for an automobile key bracket, which has the advantages of stable and reliable product molding, high precision and high surface smoothness and flatness.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides an injection mold for car key support, includes fixed die plate, movable mould board, sets up the panel and the bottom plate of setting in the movable mould board bottom on the fixed die plate, be provided with the sprue gate on the panel, be provided with the cover half mould benevolence on the fixed die plate, be provided with the movable mould benevolence on the movable mould board, be formed with key support die cavity between cover half mould benevolence and the movable mould benevolence, be provided with ejection mechanism between movable mould board and the bottom plate, be provided with shunt system between fixed die plate and the panel, shunt system is including the manifold that sets up between fixed die plate and the panel, set up the last runner and the runner down in the manifold and set up the heater of a plurality of on the manifold, go up runner and runner down switch on each other and switch on between the key support die cavity.

Preferably, a hanging module is arranged on one side of the flow dividing plate, the hanging module is embedded between the upper flow dividing channel and the lower flow dividing channel, and supporting protrusions are symmetrically matched on two sides of the hanging module.

Preferably, the panel is provided with a hot runner junction box and a hot runner gas valve at a time.

Preferably, a positioning ring is arranged at the top of the panel, the pouring opening is correspondingly arranged at the center of the positioning ring, and a heat insulation plate is arranged between the panel and the positioning ring.

Preferably, the ejection mechanism comprises a thimble panel arranged between the movable mould plate and the bottom plate, a plurality of thimbles arranged on the thimble panel and a reset spring arranged between the thimble panel and the movable mould plate, one end of each thimble penetrates through the movable mould core and is matched with the key support forming cavity, the bottom of the thimble panel is provided with a thimble bottom plate, and the thimble bottom plate is also provided with a supporting column.

Preferably, a pouring runner is arranged in the pouring gate, and the pouring runner is communicated with the diversion system.

Preferably, a die foot is arranged between the movable die plate and the bottom plate, a guide sleeve is arranged on the fixed die plate, and guide pins matched with the guide sleeve are arranged on the movable die plate.

Preferably, a bracket is arranged on the bottom plate, and the other end of the bracket is matched with the movable template.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the design of shunt system in the utility model, by setting up last subchannel and lower subchannel and the structure that switches on each other in the flow distribution plate, by last subchannel split melt after then enter into key stand shaping intracavity through hot mouth by lower subchannel, guaranteed that the melt flows length to each sprue basically the same, guaranteed the balance between the die cavity, the article shaping is reliable and stable, the precision is high.

2. Through the design of shunt system in this practicality, ensure not changing the state of melt stream by the heater structure of a plurality of on the manifold, avoided heat and shearing process in the manifold can lead to the melt to bond, the smooth roughness of product surface is high.

Drawings

FIG. 1 is a schematic view of an injection mold for an automotive key holder according to the present utility model;

FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;

fig. 3 is a schematic structural view of an automobile key holder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, an injection mold for an automobile key holder comprises a fixed mold plate 1, a movable mold plate 2, a panel 3 arranged on the fixed mold plate 1 and a bottom plate 4 arranged at the bottom of the movable mold plate 2, wherein a sprue 5 is arranged on the panel 3, a fixed mold core 11 is arranged on the fixed mold plate 1, a movable mold core 21 is arranged on the movable mold plate 2, a key holder forming cavity 6 is formed between the fixed mold core 11 and the movable mold core 21, an ejection mechanism 7 is arranged between the movable mold plate 2 and the bottom plate 4, a distribution system 8 is arranged between the fixed mold plate 1 and the panel 3, the distribution system 8 comprises a distribution plate 81 arranged between the fixed mold plate 1 and the panel 3, an upper distribution channel 82 and a lower distribution channel 83 arranged in the distribution plate 81 and a plurality of heaters 84 arranged on the distribution plate 81, the upper distribution channel 82 and the lower distribution channel 83 are mutually communicated, and a thermal nozzle 9 is communicated between the upper distribution channel and the lower distribution channel 83 and the key holder forming cavity 6, the distribution system 8 can firstly arrange the upper distribution channel 82 and then enter the lower distribution channel 83 and finally enter the lower distribution channel 9 through the distribution channel, the thermal nozzle 9, the thermal stability is ensured, the quality of the distribution channel is not to be basically equal, the thermal stability is ensured, and the quality of the distribution channel is not in the distribution channel is ensured, and the quality is basically stable, and the quality of the thermal stability is ensured, and the quality of the distribution is in the distribution, and the quality is in the quality, and the quality.

The splitter plate 81 one side is provided with and hangs the module 85, and this hangs the module 85 and inlays to be established between last subchannel 82 and lower subchannel 83, hangs the cooperation of module 85 bilateral symmetry and has the supporting bulge 851, hangs the module 85 and further ensures the balance between last subchannel 82 and the lower subchannel 83, and the product shaping is more stable.

The panel 3 is provided with a hot runner junction box 31 and a hot runner gas valve 32 at a time, the hot runner junction box 31 ensures the stabilization of the current and the hot runner gas valve 32 controls the stabilization of the gas path.

The top of panel 3 is provided with retainer plate 33, and sprue gate 5 corresponds the center that sets up at retainer plate 33, is provided with heat insulating board 10 between panel 3 and the retainer plate 33, and retainer plate 33 guarantees that mould sprue gate 5 aligns with the mouth of penetrating of injection molding machine, and heat insulating board 10 plays thermal-insulated effect and ensures stable notes material.

The ejector mechanism 7 comprises an ejector pin panel 71 arranged between the movable die plate 2 and the bottom plate 4, a plurality of ejector pins 72 arranged on the ejector pin panel 71 and a reset spring 73 arranged between the ejector pin panel 71 and the movable die plate 2, one end of each ejector pin 72 penetrates through the movable die core 21 and is matched with the key support forming cavity 6, an ejector pin bottom plate 74 is arranged at the bottom of the ejector pin panel 71, a supporting column 75 is further arranged on the ejector pin bottom plate 74, and the ejector mechanism 7 ensures stable blanking of formed products.

A pouring runner 51 is provided in the pouring spout 5, and the pouring runner 51 is in communication with the distribution system 8.

A die foot 13 is arranged between the movable die plate 2 and the bottom plate 4, a guide sleeve 12 is arranged on the fixed die plate 1, guide pins 22 which are matched with the guide sleeve 12 are arranged on the movable die plate 2, and the coaxial assembly of the movable die plate 2 and the fixed die plate 1 is ensured by the cooperation of the guide sleeve 12 and the guide pins 22.

The bottom plate 4 is provided with a bracket 41, the other end of the bracket 41 is matched with the movable die plate 2, and the bracket 41 ensures the running stability of the die.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold for car key support, includes fixed die plate, movable die plate, sets up the panel on the fixed die plate and sets up the bottom plate in the movable die plate bottom, be provided with the pouring gate on the panel, be provided with the cover half die core on the fixed die plate, be provided with the movable die core on the movable die plate, be formed with key support die cavity between cover half die core and the movable die core, be provided with ejection mechanism between movable die plate and the bottom plate, its characterized in that: the split-flow type key support is characterized in that a split-flow system is arranged between the fixed die plate and the panel and comprises a split-flow plate arranged between the fixed die plate and the panel, an upper split-flow passage, a lower split-flow passage and a plurality of heaters, wherein the upper split-flow passage and the lower split-flow passage are arranged in the split-flow plate, and the heaters are arranged on the split-flow plate, and a hot nozzle is communicated between the upper split-flow passage and the lower split-flow passage and a key support forming cavity.

2. An injection mold for an automotive key holder as defined in claim 1, wherein: and one side of the flow distribution plate is provided with a hanging module which is embedded between the upper flow distribution channel and the lower flow distribution channel, and supporting protrusions are symmetrically matched with two sides of the hanging module.

3. An injection mold for an automotive key holder as defined in claim 1, wherein: the panel is provided with a hot runner junction box and a hot runner air valve at one time.

4. An injection mold for an automotive key holder as defined in claim 1, wherein: the top of panel is provided with the retainer plate, the pouring gate corresponds the center that sets up at the retainer plate, be provided with the heat insulating board between panel and the retainer plate.

5. An injection mold for an automotive key holder according to claim 1 or 2 or 3, characterized in that: the ejector mechanism comprises an ejector pin panel arranged between the movable die plate and the bottom plate, a plurality of ejector pins arranged on the ejector pin panel and a reset spring arranged between the ejector pin panel and the movable die plate, one end of each ejector pin penetrates through the movable die core and is matched with the movable die core on the key support forming cavity, the bottom of the ejector pin panel is provided with an ejector pin bottom plate, and the ejector pin bottom plate is also provided with a supporting column.

6. An injection mold for an automotive key holder according to claim 1 or 2 or 3, characterized in that: and a pouring runner is arranged in the pouring gate, and the pouring runner is communicated with the diversion system.

7. An injection mold for an automotive key holder according to claim 1 or 2 or 3, characterized in that: the mold comprises a fixed mold plate, a movable mold plate and a bottom plate, wherein a mold foot is arranged between the movable mold plate and the bottom plate, guide sleeves are arranged on the fixed mold plate, and guide pins matched with the guide sleeves are arranged on the movable mold plate.

8. An injection mold for an automotive key holder according to claim 1 or 2 or 3, characterized in that: the bottom plate is provided with a bracket, and the other end of the bracket is matched with the movable template.