CN210940294U - Mold sprue bush for injection molding in electronic product production - Google Patents
Mold sprue bush for injection molding in electronic product production Download PDFInfo
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- CN210940294U CN210940294U CN201921807608.XU CN201921807608U CN210940294U CN 210940294 U CN210940294 U CN 210940294U CN 201921807608 U CN201921807608 U CN 201921807608U CN 210940294 U CN210940294 U CN 210940294U
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- sprue bush
- injection molding
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Abstract
The utility model discloses an electron product production mould runner cover for injection molding, including watering head cover head and watering head loop bar portion, the fixed slot has all been seted up to watering head cover head both sides, the first bolt hole that extends to watering head cover head bottom is seted up to the fixed slot bottom, the bolt head draw-in groove has been seted up to first bolt hole upper end. The utility model relates to a mold gate cover belongs to the electronic product precision and moulds plastics technical field. The utility model discloses a fixedly set up the mounting panel in runner upper end, set up magnet on the mounting panel, the runner cover need not the manual work when the installation to look for the bolt hole, and the magnet of runner cover head lower extreme and the magnet of mounting panel upper end adsorb automatically, and first bolt hole and second bolt hole align automatically, simple to operate; the utility model discloses a rubber circle carries on spacingly with the bolt head of fixed usefulness, prevents that the bolt from leading to the bolt not hard up because the mould produces the vibration at the during operation, has strengthened the stability of sprue bush.
Description
Technical Field
The utility model relates to a mould runner cover, in particular to electronic product production mould runner cover for injection moulding belongs to the electronic product precision injection moulding technical field.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a finished product after cooling and solidification.
Electronic product is when production, need assemble with some precision pieces that obtain of moulding plastics, at this moment need use injection mold to produce, injection mold's last mould frame is equipped with the runner, be used for moulding plastics, it has the runner cover to peg graft on the runner, current runner cover when the installation, need aim at the bolt fastening hole of die carrier with the bolt hole of runner cover head, it is not convenient enough to install, and simultaneously, the last mould frame is easy to produce vibrations in the work, a bolt that is used for fixed runner cover receives vibrations and easily appears the pine phenomenon of taking off.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic product production mould runner cover for injection moulding to solve the current runner cover installation that provides in the above-mentioned background art convenient enough and be used for fixed bolt to receive vibrations and appear the problem that the pine takes off easily.
In order to achieve the above object, the utility model provides a following technical scheme: a mold sprue bush for producing injection molding of electronic products comprises a sprue bush head part and a sprue bush rod part, fixing grooves are formed in two sides of the head of the casting head sleeve, first bolt holes extending to the bottom end of the head of the casting head sleeve are formed in the bottom ends of the fixing grooves, a bolt head clamping groove is formed at the upper end of the first bolt hole, a rubber ring is fixedly connected at the upper end of the bolt head clamping groove, the inner diameter of the rubber ring is smaller than the diameter of the bolt head clamping groove, the lower end of the head of the sprue bush is provided with a mounting plate which is spliced with the sprue bush rod part, the center of the mounting plate is provided with a jack which is inserted and matched with the bar part of the topping sleeve, the upper end surface of the mounting plate and the lower end surface of the topping sleeve are both embedded with magnets, the end surface of the mounting plate is provided with two second bolt holes, and when the magnets at the upper end of the mounting plate and the lower end of the head part of the pouring head sleeve are attracted, the first bolt hole and the second bolt hole are positioned on the same central axis.
As a preferred technical solution of the present invention, the magnet at the upper end of the mounting plate and the magnet at the lower end of the head of the pouring head have opposite magnetic poles.
As a preferred technical scheme of the utility model, rubber circle upper end edge has seted up the arc chamfer.
As a preferred technical scheme of the utility model, the diameter of first bolt hole and second bolt hole is the same.
As an optimized technical scheme of the utility model, the jack internal diameter is the same with water head loop bar portion external diameter.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a fixedly set up the mounting panel in runner upper end, set up magnet on the mounting panel, the runner cover need not the manual work when the installation to look for the bolt hole, and the magnet of runner cover head lower extreme and the magnet of mounting panel upper end adsorb automatically, and first bolt hole and second bolt hole align automatically, simple to operate;
the utility model discloses a rubber circle carries on spacingly with the bolt head of fixed usefulness, prevents that the bolt from leading to the bolt not hard up because the mould produces the vibration at the during operation, has strengthened the stability of sprue bush.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a topping sleeve head and a topping sleeve rod of the present invention;
fig. 3 is a partial sectional view of the first bolt hole of the present invention.
In the figure: 1. sleeving a head part of the pouring head; 2. fixing grooves; 3. a first bolt hole; 4. a jack; 5. a second bolt hole; 6. mounting a plate; 7. a magnet; 8. a topping sleeve rod part; 9. a rubber ring; 10. the bolt head is provided with a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a mold sprue bush for injection molding in electronic product production, which comprises a sprue bush head 1 and a sprue bush rod 8, wherein both sides of the sprue bush head 1 are provided with fixing grooves 2, the bottom end of the fixing groove 2 is provided with a first bolt hole 3 extending to the bottom end of the sprue bush head 1, the upper end of the first bolt hole 3 is provided with a bolt head clamping groove 10, when a bolt head is fixedly connected, the head can be sunk into the bolt head clamping groove 10, the upper end of the bolt head clamping groove 10 is fixedly connected with a rubber ring 9, the inner diameter of the rubber ring 9 is smaller than the diameter of the bolt head clamping groove 10, the bolt head arranged in the bolt head clamping groove 10 is blocked and limited, the upper end edge of the rubber ring 9 is provided with an arc chamfer, the bolt head can conveniently rotate into the bolt head clamping groove 10, the resistance of the rubber ring 9 to the bolt head is reduced, the lower end of the sprue bush head 1 is provided, the shape is the same with watering head cover head 1, and 6 center departments of mounting panel set up with watering head cover rod portion 8 jack 4 of grafting adaptation, and 6 up end of mounting panel and watering head cover head 1 lower extreme terminal surface are all inlayed and are had magnet 7, and two second bolt holes 5 have been seted up to 6 terminal surfaces of mounting panel, and when 6 upper ends of mounting panel and watering head cover 1 lower extreme magnet 7 attracted each other, first bolt hole 3 was in same axis with second bolt hole 5.
The relative face magnetic pole of magnet 7 and the 1 lower extreme of watering cover head portion of mounting panel 6 upper end is opposite, conveniently water 1 lower extreme of cover head portion and 6 upper ends of mounting panel and inhale mutually, and make first bolt hole 3 and 5 automatic counterpoint of second bolt hole, the diameter of first bolt hole 3 and second bolt hole 5 is the same, make things convenient for running through of bolt, fix the runner cover, 4 internal diameter of jack is the same with 8 external diameters in the portion of watering cover pole, prevent that watering cover pole portion 8 from rocking in jack 4 inside, good stability.
The working principle of the present invention will be specifically explained below: during the use, mounting panel 6 is fixed at the last die carrier board up end, inlay in the runner upper end, second bolt hole 5 aligns with the bolt hole, to water head loop bar portion 8 and peg graft on the runner through jack 4, when watering head loop head 1 lower extreme is close to mounting panel 6, magnet 7 of watering head loop head 1 lower extreme attracts with magnet 7 of mounting panel 6 upper end mutually, first bolt hole 3 and second bolt hole 5 automatic alignment, it looks for the bolt hole to need not to rotate watering head loop head 1, the bolt passes from first bolt hole 3 and second bolt hole 5 and is fixed with last die carrier board rotation, fix the watering cover on the runner, the back is screwed to the bolt, the bolt head passes in rubber circle 9 embedding bolt head draw-in groove 10, rubber circle 9 lower extreme is arranged in to the bolt head, rubber circle 9 plays spacing effect to the bolt head, prevent that the bolt is not hard up.
To sum up, the utility model discloses a sprue bush of a mold for injection molding in electronic product production, through fixedly setting up mounting panel 6 on the runner, set up magnet 7 on mounting panel 6, the sprue bush need not the manual work to look for the bolt hole when installing, magnet 7 of the lower extreme of sprue bush head 1 and magnet 7 of the upper end of mounting panel 6 adsorb automatically, first bolt hole 3 and second bolt hole 5 align automatically, easy to assemble; simultaneously, the bolt head of fixing usefulness is spacing through rubber circle 9, prevents that the bolt from leading to the bolt not hard up because the mould produces the vibration at the during operation, has strengthened the stability of runner cover.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A mold sprue bush for injection molding in electronic product production comprises a sprue bush head (1) and a sprue bush rod (8), wherein fixing grooves (2) are formed in two sides of the sprue bush head (1), a first bolt hole (3) extending to the bottom end of the sprue bush head (1) is formed in the bottom end of the fixing groove (2), the mold sprue bush is characterized in that a bolt head clamping groove (10) is formed in the upper end of the first bolt hole (3), a rubber ring (9) is fixedly connected to the upper end of the bolt head clamping groove (10), the inner diameter of the rubber ring (9) is smaller than that of the bolt head clamping groove (10), a mounting plate (6) connected with the sprue bush rod (8) in an inserting mode is arranged at the lower end of the sprue bush head (1), a jack (4) matched with the sprue bush rod (8) in an inserting mode is formed in the center of the mounting plate (6), and magnets (7) are inlaid in the upper end face of the mounting plate (6) and the, two second bolt holes (5) have been seted up to mounting panel (6) terminal surface, and when mounting panel (6) upper end and magnet (7) of watering head cover head portion (1) lower extreme attracted each other, first bolt hole (3) with second bolt hole (5) are in same axis.
2. The mold gate sleeve for producing injection molding of electronic products according to claim 1, characterized in that: the opposite surface magnetic poles of the magnet (7) at the upper end of the mounting plate (6) and the magnet (7) at the lower end of the pouring head sleeve (1) are opposite.
3. The mold gate sleeve for producing injection molding of electronic products according to claim 1, characterized in that: an arc-shaped chamfer is arranged at the edge of the upper end of the rubber ring (9).
4. The mold gate sleeve for producing injection molding of electronic products according to claim 1, characterized in that: the diameters of the first bolt hole (3) and the second bolt hole (5) are the same.
5. The mold gate sleeve for producing injection molding of electronic products according to claim 1, characterized in that: the inner diameter of the jack (4) is the same as the outer diameter of the sprue bar sleeve part (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807608.XU CN210940294U (en) | 2019-10-25 | 2019-10-25 | Mold sprue bush for injection molding in electronic product production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921807608.XU CN210940294U (en) | 2019-10-25 | 2019-10-25 | Mold sprue bush for injection molding in electronic product production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210940294U true CN210940294U (en) | 2020-07-07 |
Family
ID=71391604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921807608.XU Active CN210940294U (en) | 2019-10-25 | 2019-10-25 | Mold sprue bush for injection molding in electronic product production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210940294U (en) |
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2019
- 2019-10-25 CN CN201921807608.XU patent/CN210940294U/en active Active
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