CN212021544U

CN212021544U - Hot runner mold

Info

Publication number: CN212021544U
Application number: CN202020718895.3U
Authority: CN
Inventors: 宛君
Original assignee: Fulai Precision Mold Zhongshan Co ltd
Current assignee: Fulai Precision Mold Zhongshan Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-27
Anticipated expiration: 2030-04-30

Abstract

The application discloses hot runner mold, it includes: a fixing plate; a support plate connected with the fixing plate; the hot runner plate is arranged on the supporting plate, a primary flow distribution channel and a plurality of secondary flow distribution channels vertical to the primary flow distribution channel are formed in the hot runner plate, the middle position of the primary flow distribution channel is communicated with the feeding hole, and two ends of the primary flow distribution channel are respectively communicated with the middle positions of the secondary flow distribution channels; the heating rods are arranged along the extending direction of the secondary shunting channel, and each heating rod extends along the arrangement direction of the primary shunting channel; the stock template subassembly, joint support board, the last a plurality of mould cavities and a plurality of three-terminal open-ended tertiary reposition of redundant personnel passageway that is provided with of stock template subassembly, one of them port of every tertiary reposition of redundant personnel passageway intercommunication second grade reposition of redundant personnel passageway, in other both ends are connected to a mould cavity respectively. This application is through optimizing quantity, the direction of reposition of redundant personnel passageway and the direction that sets up of heating rod, can set up a plurality of die cavities of deciding simultaneously and avoid the problem that the solution solidifies.

Description

Hot runner mold

Technical Field

The utility model belongs to the technical field of the hot runner, especially, relate to a hot runner mold.

Background

The hot runner mold is a mold which makes the melt in the runner not solidified all the time by using a heating device, and the hot runner mold is widely applied to developed countries and regions of various industries in the world at present because the hot runner mold has a shorter forming period and saves more raw materials than the traditional mold. But the hot runner mold on the market generally heats the mould through more heating coil, and the cost is high and the equipment is complicated to current hot runner mold heating is inhomogeneous, still has partial solution phenomenon of solidifying in the position of keeping away from the coil, has restricted the quantity in design chamber, and the shaping cycle of fuse-element is long, and hot runner mold whole machining efficiency is slow.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to overcome the defects, the utility model aims to provide a hot runner mold to solve the technical problems that the existing hot runner mold is high in cost, poor in heating effect and limited in the number of fixed cavities

(II) technical scheme

In order to achieve the purpose, the technical scheme provided by the application is as follows:

a hot-runner mold, comprising: a fixed plate provided with a feed inlet; a support plate connected with the fixing plate; the hot runner plate is arranged on the supporting plate, a primary flow distribution channel and a plurality of secondary flow distribution channels vertical to the primary flow distribution channel are formed in the hot runner plate, the middle position of the primary flow distribution channel is communicated with the feeding hole, and two ends of the primary flow distribution channel are respectively communicated with the middle positions of the secondary flow distribution channels; the heating rods are arranged along the extending direction of the secondary shunting channel, and each heating rod extends along the arrangement direction of the primary shunting channel; the stock template subassembly, joint support board, the last a plurality of mould cavities and a plurality of three-terminal open-ended tertiary reposition of redundant personnel passageway that is provided with of stock template subassembly, one of them port of every tertiary reposition of redundant personnel passageway intercommunication second grade reposition of redundant personnel passageway, in other both ends are connected to a mould cavity respectively.

This application is through setting up multistage reposition of redundant personnel passageway and having optimized the direction that sets up of heating rod, the heating rod can be simultaneously to one-level reposition of redundant personnel passageway, second grade reposition of redundant personnel passageway carries out all-round heating, guarantee that the melt can not solidify in the reposition of redundant personnel passageway, the melt that gets into from the feed inlet can be stereotyped in quick even flowing a plurality of die cavities of deciding, the quantity in die cavity can not receive the restriction, can be simultaneously to a plurality of products processing of finalizing the design, the melt of fast flow can reduce the shaping cycle of product, the efficiency of processing is improved.

In some embodiments, the position corresponding to the heating rod on the supporting plate is concavely provided with a plurality of mounting grooves for embedding two ends of the heating rod, the mounting grooves can stably fix two ends of the heating rod, the phenomenon that the heating plate is collided and displaced during working is avoided, and the stability of the die is improved.

In some embodiments, the sizing template assembly comprises: the installation plate and the plurality of die cores are detachably installed on the installation plate, a fixed cavity is formed in each die core in a concave mode, the die cores and the installation plate are detachably installed, the die cores can be directly taken down to carry out blanking on products after the products are shaped, blanking speed is improved, the die cores can be taken down to be cleaned, and cleaning efficiency is improved.

In some embodiments, the position of the mounting plate corresponding to the mold core is provided with a clamping position for limiting the position of the mold core, and the clamping position can clamp the mold core to prevent the mold core from loosening and falling off from the mounting plate.

In some embodiments, the number of cores is eight.

In some embodiments, the heating rod can be dismantled with the hot runner plate and be connected, and the heating rod can be dismantled with the hot runner plate and be connected and can change the heating rod of different power according to actual processing condition, improves the commonality to also can change alone when the individuality heating rod damages, need not to change a plurality of heating rods simultaneously, reduce the maintenance cost.

Drawings

Fig. 1 is a schematic structural view of a hot runner mold of the present invention;

fig. 2 is a schematic structural view of the support plate of the present invention;

FIG. 3 is a combination view of the hot runner plate and the mold core of the present invention;

FIG. 4 is a perspective view of the hot runner plate of the present invention;

fig. 5 is a schematic structural diagram of the stock template assembly of the present invention;

fig. 6 is a schematic structural view of a three-stage flow dividing channel of the present invention;

reference numerals:

1: a fixing plate; 101: a feed inlet; 2: a support plate; 201: mounting grooves; 3: shaping the template component; 301: mounting a plate; 302: a mold core; 4: a hot runner plate; 401: a primary flow-splitting channel; 402: a secondary flow-dividing channel; 5: a heating rod; 6: and a tertiary flow-dividing channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1 to 6, the present invention provides a hot runner mold, which includes: the device comprises a fixed plate 1, wherein the top of the fixed plate 1 is provided with a feeding hole 101; the supporting plate 2 is connected with the fixing plate 1; the hot runner plate 4 is arranged on the supporting plate 2, a primary flow distribution channel 401 and a plurality of secondary flow distribution channels 402 are formed in the hot runner plate 4, the primary flow distribution channel 401 and the secondary flow distribution channels 402 are vertically arranged, the middle position of the primary flow distribution channel 401 is communicated with the feeding hole 101, and two ends of the primary flow distribution channel 401 are respectively communicated with the middle position of the secondary flow distribution channels 402; a plurality of heating rods 5, the plurality of heating rods 5 being arranged along the extending direction of the secondary shunting passage 402 and each heating rod 5 extending along the arrangement direction of the primary shunting passage 401; the shaping template assembly 3 is connected with the supporting plate 2, a plurality of shaping cavities and three-end open three-stage flow distribution channels 6 are arranged on the shaping template assembly 3, one end of each three-stage flow distribution channel 6 is communicated with one port of the second-stage flow distribution channel 402, and the other two ends of each three-stage flow distribution channel are respectively connected into one shaping cavity.

The existing hot runner mold can only be provided with two shunting channels and correspondingly provided with two fixed cavities because the shunting channels are unreasonably arranged and the coils are difficult to heat all the shunting channels in an all-round way, and if more shunting channel parts are arranged, the heated less internal solution of the shunting channels is easy to solidify to block the shunting channels. This application has optimized the quantity of reposition of redundant personnel passageway, the direction that sets up of reposition of redundant personnel passageway and has optimized heating rod 5 sets up the direction, and the reposition of redundant personnel passageway can be even with the melt reposition of redundant personnel to a plurality of die cavities of deciding, heating rod 5 can the omnidirectional heat a plurality of reposition of redundant personnel pipelines, the reposition of redundant personnel passageway temperature of having avoided the part to keep away from heating rod 5 is lower to lead to the problem that its inside melt solidifies easily. This application can set up a plurality of die cavities of deciding simultaneously, and a plurality of die cavities of deciding can be simultaneously to a plurality of products design processing, have improved the efficiency of processing to 5 all-round shunting channels of heating rod heat, the melt is difficult to solidify, can improve the flow velocity of melt, reduce the shaping cycle of product, improve the efficiency of processing.

Specifically, the number of the first-stage flow distribution channel 401 is one, the number of the second-stage flow distribution channel 402 is two, and the number of the third-stage flow distribution channel 6 is four. The solution enters the heat flow plate from the feed inlet 101 and then is divided into two branches through the first-stage flow dividing channel 401, the two branches flow into the two second-stage flow dividing channels 402 respectively to form four branches, the four branches flow into the four third-stage flow dividing channels 6 to form eight branches, and the eight branches flow into the eight fixed cavities respectively to realize the fixing.

Preferably, this application corresponds the position of heating rod 5 and concavely establishes a plurality of mounting grooves 201 of formation in backup pad 2, and mounting groove 201 supplies the embedding of 5 both ends of heating rod, and 5 steady mounting of heating rod after the embedding are on backup pad 2, can avoid heating rod 5 to deviate from mounting panel 301, and for better adaptation heating rod 5, the shape of mounting groove 201 should set the arc structure into.

Optionally, the sizing die plate assembly 3 includes: mounting panel 301 and a plurality of mold core 302, a plurality of mold cores 302 detachable install on mounting panel 301, and every mold core 302 goes up the concave die cavity that forms that establishes, and in this application, mold core 302 is installed on mounting panel 301 with two as the unit, and the both ends of a tertiary reposition of redundant personnel passageway 6 stretch into two adjacent mold cores 302 respectively, and the product is accomplished the design back, can directly pull down mold core 302 during the unloading.

Preferably, in order to firmly mount the mold core 302 on the mounting plate 301, a position of the mounting plate 301 corresponding to the mold core 302 is provided with a detent, and the mold core 302 is fixed in the detent to realize stable connection between the mold core 302 and the mounting plate 301.

Preferably, the heating rod 5 and the hot runner plate 4 are detachably connected, the heating rod 5 can be fixed inside the mounting plate 301 in a tightening mode, the heating rod 5 can be fixed in other detachable modes such as clamping, and the fixing mode of the heating rod 5 is not limited in the application.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A hot-runner mold, comprising: a fixed plate provided with a feed inlet; a support plate connected to the fixing plate; the hot runner plate is arranged on the supporting plate, a primary flow distribution channel and a plurality of secondary flow distribution channels vertical to the primary flow distribution channel are formed in the hot runner plate, the middle position of the primary flow distribution channel is communicated with the feeding hole, and two ends of the primary flow distribution channel are respectively communicated with the middle positions of the secondary flow distribution channels; the heating rods are arranged along the extending direction of the secondary shunting channel, and each heating rod extends along the arrangement direction of the primary shunting channel; the stock template subassembly is connected the backup pad, be provided with a plurality of mould cavities and a plurality of three-terminal open-ended tertiary reposition of redundant personnel passageway on the stock template subassembly, every the one end intercommunication of tertiary reposition of redundant personnel passageway one of them port of second grade reposition of redundant personnel passageway, both ends are connected to one respectively in the mould cavity of deciding.

2. The hot-runner mold according to claim 1, wherein a plurality of mounting grooves into which both ends of the heating rod are inserted are concavely formed in the support plate at positions corresponding to the heating rod.

3. The hot runner mold of claim 1 or 2, wherein the sizing template assembly comprises: the mounting plate and the detachable install in a plurality of mold cores on the mounting plate, every the concave setting forms one on the mold core decide the die cavity.

4. The hot-runner mold according to claim 3, wherein the mounting plate defines detents that define the positions of the cores at locations corresponding to the cores.

5. The hot-runner mold of claim 4, wherein the number of cores is eight.

6. The hot runner mold according to any one of claims 1-2, 4-5, wherein the heater bar is removably coupled to the hot runner plate.