CN212072807U - Hot runner changes multiple spot and advances gluey formula plastic product injection mold - Google Patents

Hot runner changes multiple spot and advances gluey formula plastic product injection mold Download PDF

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Publication number
CN212072807U
CN212072807U CN202020563211.7U CN202020563211U CN212072807U CN 212072807 U CN212072807 U CN 212072807U CN 202020563211 U CN202020563211 U CN 202020563211U CN 212072807 U CN212072807 U CN 212072807U
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plate
channels
hot runner
plastic product
core
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CN202020563211.7U
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姜发堂
冯新荣
陈穗榕
张轩
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Xiamen Hongyou Plastic Products Co ltd
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Xiamen Hongyou Plastic Products Co ltd
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Abstract

The utility model discloses a hot runner multi-point plastic product injection mold, which comprises a front mold, a rear mold and a key hole core-pulling assembly; the front mould comprises a panel, a material pulling plate, an A plate and a front mould core, the rear mould comprises a B plate, an ejector plate, a bottom plate and a rear mould core, a sprue bush is arranged on the front mould core, a plurality of first runners are arranged on the front mould core, a plurality of second runners in one-to-one correspondence with the first runners are arranged on the rear mould core, the first runners and the second runners jointly form a plurality of channels, the channels are provided with a plurality of connectors communicated with a cavity, and the sprue bush is provided with sprues equal to the number of the channels. The device has simple structure and convenient use.

Description

Hot runner changes multiple spot and advances gluey formula plastic product injection mold
Technical Field
The utility model belongs to the technical field of the mould and specifically relates to a hot runner changes multiple spot and advances gluey formula plastic product injection mold.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".
When injection molding of some injection molding parts requiring high external brightness, the product is provided with a plurality of reinforcing ribs, is long in length and the like due to complex structure, and is provided with key holes on the surface, so that the product is required to be directly delivered without any surface treatment, and burrs cannot be formed at the key holes; therefore, a new mold needs to be developed for use.
Disclosure of Invention
In view of the above, it is desirable to provide a hot runner multi-point plastic product injection mold with uniform injection molding and high surface quality.
In order to solve the technical problem, the technical scheme of the utility model is that: a hot runner multi-point glue-feeding plastic product injection mold comprises a front mold, a rear mold and a key hole core-pulling assembly; the front mold comprises a panel, a material pulling plate, a plate A and a front mold core, the rear mold comprises a plate B, an ejector plate, a bottom plate and a rear mold core, a sprue bush is arranged on the front mold core, a plurality of first flow channels are arranged on the front mold core, a plurality of second flow channels which correspond to the first flow channels one by one are arranged on the rear mold core, the first flow channels and the second flow channels jointly form a plurality of channels, the channels are provided with a plurality of connecting ports communicated with a cavity, the sprue bush is provided with sprue gates with the same number as the channels, and the sprue gates are respectively communicated with the channels; the key hole core pulling assembly comprises an inclined sliding block and an inclined ejecting block, a plurality of inserting rods inserted into a cavity to form a product key hole are arranged at the bottom of the inclined ejecting block, the inclined sliding block is connected with an oil cylinder in a transmission mode, and the front portion of the inclined sliding block penetrates through the upper portion of the inclined ejecting block so that the inclined ejecting block is driven to move up and down through the transverse movement of the inclined sliding block.
Furthermore, the inclined sliding block is provided with a guide part which inclines upwards, and the guide part penetrates through the inclined ejecting block to drive the inclined ejecting block to lift.
Furthermore, guide grooves are formed in two opposite side walls of the inclined ejecting block, two guide blocks are detachably fixed on the plate A, and the guide blocks are respectively embedded into the guide grooves to guide the lifting of the inclined ejecting block.
Furthermore, the oil cylinder is fixed on the plate A.
Furthermore, square iron is arranged between the plate B and the bottom plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. this device changes the multiple spot through the runner and advances to glue and guarantee to advance to glue evenly, improves the quality of moulding plastics, avoids local shrink.
2. The self-locking structure of the oil cylinder and the shovel machine is adopted, and the situation that the core pulling is backward caused by injection molding pressure to generate burrs is guaranteed.
In order to make the aforementioned and other objects, features and advantages of the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic plan view of the structure of the embodiment of the present invention.
Fig. 3 is a cross-sectional view taken along line a-a of fig. 2.
Fig. 4 is a schematic structural diagram of the key hole core-pulling assembly in the embodiment of the present invention.
Fig. 5 is a schematic structural view of the embodiment of the present invention after the front mold is removed.
Fig. 6 is a schematic structural view of a front mold core according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a rear mold insert according to an embodiment of the present invention.
Fig. 8 is a schematic structural view of the oblique slider in the embodiment of the present invention.
In the figure: 1-front mould, 11-panel, 12-material pulling plate, 13-A plate, 2-rear mould, 21-B plate, 22-square iron, 23-ejector plate, 24-bottom plate, 3-sprue bush, 31-sprue, 4-key hole core pulling component, 41-oil cylinder, 42-inclined slide block, 43-inclined ejector block, 44-guide block, 45-inserted rod, 46-guide part, 5-front mould core, 51-first flow channel, 6-rear mould core, 62-second flow channel and 7-product.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-8, a hot runner multi-point plastic product injection mold comprises a front mold 1, a rear mold 2 and a key hole core-pulling assembly 4.
The front die 1 comprises a panel 11, a material pulling plate 12, an A plate 13 and a front die core 5, and the rear die 2 comprises a B plate 21, square iron 22, an ejector plate 23, a bottom plate 24 and a rear die core 6.
The front die 1 is provided with a sprue bush 3, the front die core 5 is provided with two first runners 51, the rear die core 6 is provided with two second runners 61 corresponding to the first runners 51, the first runners 51 and the second runners 61 jointly form two channels, the channels are provided with a plurality of connectors communicated with the die cavity, the sprue bush 3 is provided with two sprue gates 31, and the sprue gates 31 are respectively communicated with the channels. The connecting port of the channel is at least connected with the front, middle and rear parts of the cavity, so that the glue is uniformly fed to form a product 7.
The key hole core pulling assembly 4 comprises an inclined sliding block 42 and an inclined ejecting block 43, a plurality of inserting rods 45 which are inserted into a cavity to form a product key hole are arranged at the bottom of the inclined ejecting block 43, the inclined sliding block 42 is in transmission connection with an oil cylinder 41, and the front part of the inclined sliding block 41 penetrates through the upper part of the inclined ejecting block 43, so that the inclined ejecting block 43 is driven to move up and down through the transverse movement of the inclined sliding block 42.
In this embodiment, the slanted slider 42 has a guide portion 46 slanted upward, and the guide portion 46 passes through the slanted ejecting block 43 to drive the slanted ejecting block to ascend and descend.
In this embodiment, the two opposite side walls of the slanted ejecting block 43 are provided with guide grooves, two guide blocks 44 are detachably fixed on the a plate 13, and the guide blocks 44 are respectively embedded in the guide grooves to guide the ascending and descending of the slanted ejecting block. The oil cylinder 41, the inclined sliding block 42, the inclined jacking block 43 and the guide block 44 are matched to form a self-locking structure of the oil cylinder shovel machine, so that burrs are prevented from being generated in a key hole due to retreating of injection molding pressure during core pulling.
In this embodiment, the oil cylinder 41 is fixed to the a plate 13.
In the present embodiment, the square iron 22 is used to adjust the movement stroke of the ejector plate 23.
When the mold is opened, core pulling operation is firstly carried out on the inclined ejector block through the oil cylinder, and then the rear mold is moved.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides a hot runner changes multiple spot and advances gluey formula plastic product injection mold which characterized in that: the key hole core pulling device comprises a front die, a rear die and a key hole core pulling assembly; the front mold comprises a panel, a material pulling plate, a plate A and a front mold core, the rear mold comprises a plate B, an ejector plate, a bottom plate and a rear mold core, a sprue bush is arranged on the front mold core, a plurality of first flow channels are arranged on the front mold core, a plurality of second flow channels which correspond to the first flow channels one by one are arranged on the rear mold core, the first flow channels and the second flow channels jointly form a plurality of channels, the channels are provided with a plurality of connecting ports communicated with a cavity, the sprue bush is provided with sprue gates with the same number as the channels, and the sprue gates are respectively communicated with the channels; the key hole core pulling assembly comprises an inclined sliding block and an inclined ejecting block, a plurality of inserting rods inserted into a cavity to form a product key hole are arranged at the bottom of the inclined ejecting block, the inclined sliding block is connected with an oil cylinder in a transmission mode, and the front portion of the inclined sliding block penetrates through the upper portion of the inclined ejecting block so that the inclined ejecting block is driven to move up and down through the transverse movement of the inclined sliding block.
2. The hot runner to multipoint glue feeding type plastic product injection mold according to claim 1, characterized in that: the inclined sliding block is provided with an upward inclined guide part which penetrates through the inclined ejecting block to drive the inclined ejecting block to lift.
3. The hot runner to multipoint glue feeding type plastic product injection mold according to claim 1, characterized in that: guide grooves are formed in two opposite side walls of the inclined ejecting block, two guide blocks are detachably fixed on the plate A, and the guide blocks are respectively embedded into the guide grooves to guide the lifting of the inclined ejecting block.
4. The hot runner to multipoint glue feeding type plastic product injection mold according to claim 1, characterized in that: the oil cylinder is fixed on the plate A.
5. The hot runner to multipoint glue feeding type plastic product injection mold according to claim 1, characterized in that: and square iron is arranged between the B plate and the bottom plate.
CN202020563211.7U 2020-04-16 2020-04-16 Hot runner changes multiple spot and advances gluey formula plastic product injection mold Active CN212072807U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020563211.7U CN212072807U (en) 2020-04-16 2020-04-16 Hot runner changes multiple spot and advances gluey formula plastic product injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020563211.7U CN212072807U (en) 2020-04-16 2020-04-16 Hot runner changes multiple spot and advances gluey formula plastic product injection mold

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CN212072807U true CN212072807U (en) 2020-12-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116533457A (en) * 2023-05-30 2023-08-04 东莞市现代精工实业有限公司 A mould for producing reflecting cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116533457A (en) * 2023-05-30 2023-08-04 东莞市现代精工实业有限公司 A mould for producing reflecting cover

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