CN208914515U - A kind of hot runner mould - Google Patents

Abstract

The utility model discloses a kind of hot runner moulds, it includes the panel from top to bottom set gradually, flow distribution plate, hot flow path support plate, front template and front cavity, the panel is equipped with positioning ring, the flow distribution plate is equipped with main nozzle and two split channels, described split channel one end is connected to main nozzle, the lower surface that its other end extends to flow distribution plate connects hot nozzle, and the front cavity is equipped with cast gate, and the hot nozzle sequentially passes through hot flow path support plate and front template and is connected to the cast gate of the front cavity.The utility model structure is simple, target heat flux road mold is matched using multiple hot nozzles with multiple groups mode, every group of mode is individually controlled by a hot nozzle, 8 products of every group of mode, split channel designed distance is short, and plastic cement flowing is uniform, the uniformity of mould and die accuracy and temperature can effectively be controlled, single is completed at the same time the processing of 64 products, and product with stable quality is good, high-efficient, the period is short, effectively reduces cost and energy consumption.

Description

A kind of hot runner mould

Technical field

The utility model relates to injection molding arts, and in particular to a kind of hot runner mould.

Background technique

Main smooth shape control device of the lens as LED illumination, not only can convergent beam, and diverging light can be generated Beam can control effectively to the light of the LED all angles issued.LED lens as optical grade product, to surface figure accuracy, Surface quality etc. has strict demand.Country's lenticular industry still uses the ranking mode in the single hot more caves of nozzle, the processing of mold at present Precision and the temperature of mode control consistency are poor, so that anisotropic feature is presented in lens, lead to wall unevenness.And runner The too long flow distance for leading to plastic cement is remote, of long duration, and board pressure is unstable to the molding control of product to be molded by the product come Quality is lower, consistency is poor, low efficiency, molding cycle are long, it is difficult to guarantee the form accuracy and optical homogeneity property of lens.

Utility model content

To solve the above-mentioned problems, the utility model discloses a kind of hot runner moulds.

The utility model technical solution used for the above purpose is:

A kind of hot runner mould comprising panel, flow distribution plate, hot flow path support plate, the preceding mould from top to bottom set gradually Plate and front cavity, the panel are equipped with positioning ring, and the flow distribution plate is equipped with main nozzle and two split channels, and described shunt is led to Road one end is connected to main nozzle, and the lower surface that the other end extends to flow distribution plate connects hot nozzle, and the front cavity is equipped with cast gate, institute It states hot nozzle and sequentially passes through hot flow path support plate and front template and be connected to the cast gate of the front cavity.

Preferably, the hot flow path support plate is equipped with mounting groove, the flow distribution plate is fixed in the mounting groove, described Trench bottom is installed and is equipped with first through hole, the front template is equipped with the second through-hole, and the hot nozzle sequentially passes through the first through hole, the Two through-holes are connected to the cast gate of the front cavity.

Preferably, the split channel includes interconnected first passage, second channel and third channel, described One channel is horizontally disposed, and the third channel includes interconnected horizontal part and vertical portion, and the horizontal part connection second is logical Road, the vertical portion is longitudinally disposed downward, which extends to the lower surface of flow distribution plate.

Preferably, the second channel is vertically arranged, which connects the first passage, this is second logical Road lower end connects four road third channels, and the horizontal part of third channel described in four tunnels is in cross distribution in the horizontal direction.

Preferably, the second channel is horizontally disposed, the first passage is connected in the middle part of the second channel, this is second logical Road both ends are separately connected two-way third channel, and angle is right angle to the horizontal part of the third channel in the horizontal direction with second channel.

Preferably, the flow distribution plate upper surface and lower end surface are equipped with heat-generating pipe, the terminals of the heat-generating pipe are set There is ceramic wiring terminal, the ceramic wiring terminal is arranged with protective case.

Preferably, the outer surface of the hot nozzle is arranged with heating wire, the outside of the heating wire is equipped with temp.-sensing wire.

Preferably, wire casing is arranged in the hot flow path upper end face of support plate, hot flow path support plate side is equipped with hot-fluid Road plug, the ceramic wiring terminal, heating wire, temp.-sensing wire lead be electrically connected with the hot flow path plug by the wire casing.

Preferably, the hot runner mould further includes rear cavity and rear pattern plate, the front template and the rear pattern plate it Between be flexibly connected, the type chamber for accommodating injecting glue product is formed between the front cavity and the rear cavity, in the hot nozzle Runner leads to the type chamber.

Preferably, the type chamber goes out eight structures for one.

The utility model has the following beneficial effects: the utility model structure is simple, target heat flux road mold uses multiple hot nozzles It is matched with multiple groups mode, You Gere nozzle individually controls every group of mode, and 8 products of every group of mode, split channel designed distance is short, modeling Glue flowing uniformly, can effectively control the uniformity of mould and die accuracy and temperature, and single is completed at the same time the processing of 64 products, produce Product quality stability is good, high-efficient, the period is short, effectively reduces cost and energy consumption.

With reference to the accompanying drawing with specific embodiment, the present invention will be further described.

Detailed description of the invention

Fig. 1 is the overall schematic of the utility model；

Fig. 2 is the front cavity schematic diagram of the utility model；

Fig. 3 is the flow distribution plate schematic diagram of the utility model；

Fig. 4 is split channel schematic diagram in embodiment A in the utility model；

Fig. 5 is split channel schematic diagram in embodiment B in the utility model；

Fig. 6 is the hot nozzle schematic diagram in the utility model；

Fig. 7 is the hot flow path support plate schematic diagram in the utility model；

Fig. 8 be in the utility model in front cavity schematic diagram.

Specific embodiment

Embodiment, referring to Fig. 1 to Fig. 8, a kind of hot runner mould provided in this embodiment comprising from top to bottom successively set Panel 1, flow distribution plate 2, hot flow path support plate 3, front template 4 and the front cavity 5 set, the panel 1, hot flow path support plate 3 are with before Template 4 is fixed by screws, and the middle panel is equipped with opening, is additionally provided with positioning ring 6, the shunting on the panel 1 Plate 2 is equipped with main nozzle 21 and two split channels, and described split channel one end is connected to main nozzle 21, and the other end extends to shunting The lower surface of plate 2 connects hot nozzle 7, and the front cavity 5 is equipped with cast gate 51, which is located at 5 middle part of front cavity, the cast gate 51 are vertically arranged, and the hot nozzle 7 sequentially passes through hot flow path support plate 3 and front template 4 and is connected to the cast gate 51 of the front cavity 5. The present embodiment target heat flux road mold is matched using multiple hot nozzles 7 with multiple groups mode, and You Gere nozzle 7 individually controls every group of mode, Split channel designed distance is short, and plastic cement flowing uniformly, can effectively control the uniformity of mould and die accuracy and temperature.To guarantee to add Working medium amount can be set the water route Yun Shui in the front cavity 5, avoid the excessively high influence product stability of injecting glue temperature.

Referring to Fig. 7, the hot flow path support plate 3 is equipped with mounting groove 31, and the flow distribution plate 2 is fixed on the mounting groove 31 Interior, 31 bottom of mounting groove is equipped with first through hole 32, and the front template 4 is equipped with the second through-hole (not shown), the heat Nozzle 7 sequentially passes through the first through hole 32, the second through-hole is connected to the cast gate 51 of the front cavity 5.

Two split channels are located at main nozzle both sides and are symmetrical arranged, and the split channel includes interconnected first Channel 22, second channel 23 and third channel 24, the first passage 22 is horizontally disposed, and the third channel 24 includes mutually interconnecting Logical horizontal part 241 and vertical portion 242, the horizontal part 241 connect second channel 23, and the vertical portion 242 is longitudinal downward to be set It sets, which extends to the lower surface of flow distribution plate 2.When injecting glue, colloidal sol is flowed into from main nozzle 21, logical by shunting Road shunting finally flows out to hot 7 runner of nozzle by 24 end of third channel, high-efficient.

Referring to fig. 4, A, the second channel 23 are vertically arranged as one embodiment, 23 upper end of second channel connection The first passage 22,23 lower end of second channel connect four road third channels 24, the horizontal part of third channel 24 described in four tunnels 241 be in cross distribution in the horizontal direction.In such cases, colloidal sol is divided into four roads point after first passage 22, second channel 23 It Liu Ru not third channel 24.

Referring to Fig. 5, alternatively embodiment B, the second channel 23 are horizontally disposed with, connect in the middle part of the second channel 23 The first passage 22 is connect, which is separately connected two-way third channel 24, the horizontal part of the third channel 24 241 angle is right angle in the horizontal direction with second channel 23.In such cases, colloidal sol enters second channel by first passage 22 After 23, it is divided into two-way outflow, every road colloidal sol is separated into two-way and separately flows into third channel 24.As upper two kinds of embodiments, most Amount to 8 road colloidal sols afterwards and separately flow into hot 7 runner of nozzle, and inject the cast gate 51 of 8 groups of front cavitys 5, is completed at the same time the processing of 8 set products, Injecting glue is uniform, and the period is short.

Preferably, between the main nozzle 21 and first passage 22, between first passage 22 and second channel 23, It can be connected, be realized using curved corner between two channels 23 and third channel 24, between horizontal part 241 and vertical portion 242 Corner rounding off effectively reduces shearing force, enhances the controllability of water passage surface finish, reduces the possibility of sizing, is promoted and is produced Product yield.

Referring to Fig. 3,2 upper surface of flow distribution plate and lower end surface are equipped with heat-generating pipe 25, improve to colloid heating efficiency, The terminals of the heat-generating pipe 25 are equipped with ceramic wiring terminal 26, and the ceramic wiring terminal 26 is arranged with protective case.

The outer surface of the hot nozzle 7 is arranged with heating wire 71, and the outside of the heating wire 71 is equipped with temp.-sensing wire 72, in real time Induction control temperature, reaches the requirement of colloid constant temperature, makes have good plasticizing capacity, injecting products is avoided flaw occur, improve The quality of production of product.

Referring to Fig. 7, wire casing 33 is arranged in 3 upper surface of hot flow path support plate, and 3 side of hot flow path support plate is equipped with Hot flow path plug 9, the ceramic wiring terminal 26, heating wire 71, temp.-sensing wire 72 lead pass through the wire casing 33 and the hot-fluid Road plug 9 is electrically connected, and carries out computer heating control to hot runner mould by hot flow path plug 9.

The hot runner mould further includes rear cavity and rear pattern plate, and activity connects between the front template 4 and the rear pattern plate It connects, guide post 8 is equipped between front template 4 and the rear pattern plate, 8 quantity of guide post is 4, the front cavity 5 and the rear mold The type chamber for accommodating injecting glue product is formed between benevolence, the runner in the hot nozzle 7 leads to the type chamber through cast gate 51, described to pour Mouth 51 is located at right above type chamber.

Referring to Fig. 8, the type chamber goes out eight structures for one, and hot runner mould single can be completed at the same time the processing of 64 products, High-efficient, product with stable quality is good.

For the mold after being molded, carrying out cooling down molding is a vital link.To guarantee processing Quality controls the mould temperature in injection moulding process, the one side wall opposite with injecting products inside the front cavity 5 and rear cavity The water route Yun Shui can be respectively set in surface, avoid the excessively high influence product stability of injecting glue temperature.

The utility model structure is simple, and target heat flux road mold is matched using multiple hot nozzles with multiple groups mode, You Gere nozzle Every group of mode is individually controlled, 8 products of every group of mode, split channel designed distance is short, and plastic cement flowing uniformly, can be controlled effectively The uniformity of molding jig precision and temperature, single are completed at the same time the processing of 64 products, product with stable quality is good, it is high-efficient, Period is short, effectively reduces cost and energy consumption.

The above, only specific embodiment of the utility model cannot limit the range that utility model is implemented, institute with it With the displacement of its equivalent assemblies, or according to equivalent variations made by the utility model patent protection scope and modification, should all still fall within The scope that this patent is covered.In addition, between technical characteristic and technical characteristic in the utility model, technical characteristic and technical solution Between, between technical solution and technical solution use can be freely combined.

Claims (10)

1. a kind of hot runner mould, which is characterized in that including panel, flow distribution plate, the hot flow path support from top to bottom set gradually Plate, front template and front cavity, the panel are equipped with positioning ring, and the flow distribution plate is equipped with main nozzle and two split channels, institute It states split channel one end and is connected to main nozzle, the lower surface that the other end extends to flow distribution plate connects hot nozzle, sets in the front cavity There is cast gate, the hot nozzle is connected to through the hot flow path support plate and front template with the cast gate of the front cavity.

2. hot runner mould according to claim 1, which is characterized in that the hot flow path support plate is equipped with mounting groove, institute Flow distribution plate to be stated to be fixed in the mounting groove, the installation trench bottom is equipped with first through hole, and the front template is equipped with the second through-hole, The hot nozzle sequentially passes through the first through hole, the second through-hole is connected to the cast gate of the front cavity.

3. hot runner mould according to claim 2, which is characterized in that the split channel includes interconnected first Channel, second channel and third channel, the first passage is horizontally disposed, and the third channel includes interconnected horizontal part And vertical portion, the horizontal part connect second channel, the vertical portion is longitudinally disposed downward, which extends to shunting The lower surface of plate.

4. hot runner mould according to claim 3, which is characterized in that the second channel is vertically arranged, this is second logical Road upper end connects the first passage, which connects four road third channels, the level of third channel described in four tunnels Portion is in cross distribution in the horizontal direction.

5. hot runner mould according to claim 3, which is characterized in that the second channel is horizontally disposed, this is second logical The first passage is connected in the middle part of road, which is separately connected two-way third channel, the horizontal part of the third channel Angle is right angle in the horizontal direction with second channel.

6. hot runner mould according to claim 1, which is characterized in that the flow distribution plate upper surface and lower end surface are all provided with There is heat-generating pipe, the terminals of the heat-generating pipe are equipped with ceramic wiring terminal, and the ceramic wiring terminal is arranged with protective case.

7. hot runner mould according to claim 6, which is characterized in that the outer surface of the hot nozzle is arranged with heating wire, The outside of the heating wire is equipped with temp.-sensing wire.

8. hot runner mould according to claim 7, which is characterized in that line is arranged in the hot flow path upper end face of support plate Slot, hot flow path support plate side be equipped with hot flow path plug, the ceramic wiring terminal, heating wire, temp.-sensing wire lead pass through The wire casing is electrically connected with the hot flow path plug.

9. hot runner mould according to claim 1, which is characterized in that the hot runner mould further includes rear cavity with after Template is flexibly connected between the front template and the rear pattern plate, is formed between the front cavity and the rear cavity for holding Receive the type chamber of injecting glue product, the runner in the hot nozzle leads to the type chamber.

10. hot runner mould according to claim 9, which is characterized in that the type chamber goes out eight structures for one.