CN213733171U - Sprue gate pressurizing and sealing device for injection mold - Google Patents
Sprue gate pressurizing and sealing device for injection mold Download PDFInfo
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- CN213733171U CN213733171U CN202021644221.XU CN202021644221U CN213733171U CN 213733171 U CN213733171 U CN 213733171U CN 202021644221 U CN202021644221 U CN 202021644221U CN 213733171 U CN213733171 U CN 213733171U
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- pouring gate
- injection head
- gate
- sprue gate
- injection
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Abstract
The utility model discloses a mould manufacturing equipment field, in particular to a sprue gate pressurizing and sealing device for an injection mould, which comprises an installation disc and two sliding chutes, wherein the middle of the installation disc is provided with a sprue gate, one side of the sprue gate is connected with an injection head, the other side of the sprue gate is connected with a main runner, the injection port of the injection head and the feed inlet of the main runner are arranged at the same level with the sprue gate, one side of the injection head of the sprue gate is provided with a sealing seat which is inserted in the side wall of the sprue gate, when injecting materials, the contact between the injection head and the sprue gate has higher toughness, meanwhile, the sealing performance is greatly improved, the equipment can not be damaged, and the overflow of materials can adjust the size of the outlet of the sprue gate to adjust the pressure before the pouring, the application range is wider, simultaneously, the blockage can be quickly cut and the plastic can be placed, the loss is reduced, and meanwhile, the operation is convenient and the structure is simple.
Description
Technical Field
The utility model relates to a mould manufacture equipment field specifically is a sprue gate pressure sealing device for injection mold.
Background
The pouring gate is also called a feed port, is a narrow through port between the sub-runner and the die cavity, is also the shortest and shortest part, and has the function of accelerating the plastic by utilizing a contraction flow surface, and the high shear rate can ensure that the plastic has good fluidity (because of the thinning characteristic caused by the shear of the plastic); the intensification effect of viscidity heating also has the effect that improves the material temperature, reduce viscosity, the runner can be understood into the plastics under the molten condition and at last one "bank" before getting into the die cavity through the gating system, be the feedstock channel who connects subchannel and die cavity, the cross sectional shape of general runner is rectangle or circular, the sectional area should be little and length should be short, this is not only based on above-mentioned effect, it is easier still because little runner grow, and big runner reduces then difficultly, the sprue gate often is the pipe of a fixed shape among the prior art, can not adjust, mechanical extrusion contact through both sides and sprue gate ensures sealedly, cause the damage to equipment easily like this, simultaneously, annotate and all to be based on the sprue gate plastics is thinner after the material is accomplished, cool off earlier and guarantee that plastics can not flow backwards.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sprue gate pressurization sealing device for injection mold to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the novel pouring gate is characterized by comprising an installation disc and two sliding grooves, wherein a pouring gate is arranged in the middle of the installation disc, an injection head is connected to one side of the pouring gate, a main runner is connected to the other side of the pouring gate, the injection port of the injection head and a feed inlet of the main runner are arranged at the same level with the pouring gate, a sealing seat is arranged on one side of the injection head of the pouring gate and is inserted into the side wall of the pouring gate, a fin plate is vertically arranged on one side of the sealing seat, which is positioned inside the pouring gate, a plurality of first springs are arranged between the fin plate and the side wall of the pouring gate, cavities are formed in two sides of the installation disc, movable plates are symmetrically arranged in the two cavities, two inner and outer sleeves are arranged on one sides of the two movable plates, which are close to the pouring gate, the two inner and outer sleeves are respectively welded on the inner wall and the movable plates of the cavity of the installation disc, second springs are arranged in the inner and outer sleeves, strip grooves are symmetrically formed in one sides of the cavities, and shear plates are symmetrically welded on the inner walls through connecting rods and through the strip grooves, the chute is arranged between the feed inlet and the sprue gate of the main runner, and the two shear plates are respectively arranged in the two chutes.
Preferably, one side of the sealing seat, which is in contact with the injection head, is provided with a circle of sealing teeth oppositely, and the sealing teeth are arranged in a staggered manner.
Preferably, electric push rods are arranged on two sides of the injection head, movable push rods are arranged on push plates of the electric push rods in a horizontally spiral connection mode, and the movable push rods are inserted into the cavities of the mounting disc in an inserting mode.
Preferably, the movable plate and the movable push rod are both provided with inclined planes, and the two inclined planes are in contact.
Compared with the prior art, the beneficial effects of the utility model are that: when annotating the material, annotate the material head and can have more toughness with the contact of sprue gate, the great promotion of leakproofness can not cause equipment to damage simultaneously to and the overflow of material, the size that can adjust the sprue gate export before the pouring comes adjusting pressure, and application scope is wider, cuts the jam fast simultaneously, places the refluence of plastics, reduces the loss, convenient operation simultaneously, simple structure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the shear plate of the present invention;
fig. 4 is a 3D schematic view of the shear plate of the present invention;
fig. 5 is a schematic view of the installation of the electric push rod of the present invention.
In the figure: the device comprises an installation disc 1, a pouring gate 2, an injection head 3, a main runner 4, a sealing seat 5, a first spring 6, a movable plate 7, an inner sleeve 8, an outer sleeve 8, a second spring 9, a shear plate 10, a chute 11, an electric push rod 12 and a movable push rod 13.
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. 1-5, the present invention provides a gate pressure sealing device for an injection mold: the injection molding device comprises an installation disc 1 and two sliding chutes 11, wherein a pouring gate 2 is arranged in the middle of the installation disc 1, one side of the pouring gate 2 is connected with an injection head 3, the other side of the pouring gate 2 is connected with a main runner 4, the injection port of the injection head 3 and a feed inlet of the main runner 4 are arranged at the same level with the pouring gate 2, one side of the injection head 3 of the pouring gate 2 is provided with a seal seat 5, the seal seat 5 is inserted into the side wall of the pouring gate 2, one side of the seal seat 5, which is contacted with the injection head 3, is relatively provided with a circle of seal teeth, the seal teeth are arranged in a staggered manner, one side of the seal seat 5, which is positioned inside the pouring gate 2, is vertically provided with a fin plate, a plurality of first springs 6 are arranged between the fin plate and the side wall of the pouring gate 2, two sides of the installation disc 1 are provided with cavities, two movable plates 7 are symmetrically arranged in the two cavities, and one side of the two movable plates 7, which is close to the pouring gate 2, is provided with two inner and outer sleeves 8, the 8 both sides of interior outer tube are welded respectively on the cavity inner wall and the fly leaf 7 of mounting disc 1, are equipped with second spring 9 in the interior outer tube 8, the bar groove has been seted up to cavity one side symmetry, and one side of two fly leaves 7 all runs through bar groove symmetry welding through the connecting rod and is equipped with shear plate 10, and spout 11 is arranged in between the feed inlet of sprue 4 and sprue gate 2, and two shear plates 10 are arranged in two spout 11 respectively, the both sides of injection head 3 all are equipped with electric putter 12, and electric putter 12's the horizontal spiral connection of push pedal is equipped with movable push rod 13, and movable push rod 13 pegs graft in the cavity of mounting disc 1, fly leaf 7 and movable push rod 13 all are equipped with the inclined plane, and two inclined planes contact.
The working principle is as follows: when the device is suitable for the device, according to the requirement, a proper movable push rod 13 is selected to be installed on a push plate of an electric push rod 12, then when an injection head 3 moves towards an installation disc 1, the larger the movable push rod 13 is, the smaller the gap between an inner sleeve and an outer sleeve is, the larger the gap between two side shear plates is, when plastic is sprayed out through a pouring gate, the larger the pressure is, and vice versa, when the injection head 3 is inserted into the installation disc 1, the sealing teeth of the injection head 3 are connected with the sealing teeth of the pouring gate in a staggered manner, and simultaneously when the injection head 3 extrudes a sealing seat 5, under the action of a first spring 6, the injection head 3 is tightly connected with the pouring gate 2, and simultaneously, the damage of the injection head can be prevented, after the plastic is injected, the electric push rod 12 is started to synchronously extend, then the movable push rod 13 continuously moves towards an inner cavity, and moves until the inclined surfaces of the movable push rod 7 and the movable push rod 13 are staggered, when two horizontal planes contact, the edges of the two shearing plates 10 contact with each other to shear and block the pouring gate, the work is completed, then the electric push rod 12 is controlled to be recovered, the movable plate 7 rebounds to the original position under the action of the second spring 9, the gap between the shearing plates 10 returns to the required pressure, and the next operation is continued.
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 (4)
1. The utility model provides a sprue gate pressure sealing device for injection mold, includes mounting disc (1) and two spout (11), its characterized in that: a pouring gate (2) is arranged in the middle of the mounting disc (1), an injection head (3) is connected to one side of the pouring gate (2), a main runner (4) is connected to the other side of the pouring gate (2), the injection port of the injection head (3) and a feed inlet of the main runner (4) are arranged at the same level with the pouring gate (2), a sealing seat (5) is arranged on one side of the injection head (3) of the pouring gate (2), the sealing seat (5) is inserted into a side wall of the pouring gate (2), a fin plate is vertically arranged on one side of the sealing seat (5) positioned inside the pouring gate (2), a plurality of first springs (6) are arranged between the fin plate and the side wall of the pouring gate (2), cavities are arranged on two sides of the mounting disc (1), movable plates (7) are symmetrically arranged in the two cavities, and two inner and outer casting sleeves (8) are arranged on one sides of the two movable plates (7) close to the pouring gate (2), inner and outer sleeve pipe (8) both sides weld respectively on the cavity inner wall and fly leaf (7) of mounting disc (1), are equipped with second spring (9) in inner and outer sleeve pipe (8), the bar groove has been seted up to cavity one side symmetry, and one side of two fly leaves (7) all runs through bar groove symmetric welding through the connecting rod and is equipped with shear plate (10), and between feed inlet and sprue gate (2) of sprue (4) were arranged in spout (11), and two shear plate (10) are arranged in two spout (11) respectively.
2. A gate pressure sealing device for an injection mold according to claim 1, characterized in that: one side of the sealing seat (5) which is in contact with the injection head (3) is provided with a circle of sealing teeth oppositely, and the sealing teeth are arranged in a staggered manner.
3. A gate pressure sealing device for an injection mold according to claim 1, characterized in that: the injection head is characterized in that electric push rods (12) are arranged on two sides of the injection head (3), movable push rods (13) are horizontally and spirally connected with push plates of the electric push rods (12), and the movable push rods (13) are inserted into cavities of the mounting disc (1).
4. A pouring gate pressure sealing device for an injection mold according to claim 1 or claim 3, wherein: the movable plate (7) and the movable push rod (13) are both provided with inclined planes, and the two inclined planes are in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644221.XU CN213733171U (en) | 2020-08-10 | 2020-08-10 | Sprue gate pressurizing and sealing device for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644221.XU CN213733171U (en) | 2020-08-10 | 2020-08-10 | Sprue gate pressurizing and sealing device for injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN213733171U true CN213733171U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021644221.XU Active CN213733171U (en) | 2020-08-10 | 2020-08-10 | Sprue gate pressurizing and sealing device for injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131851A (en) * | 2021-11-11 | 2022-03-04 | 成都路宝工程材料有限公司 | Mould for geogrid with folding nodes |
-
2020
- 2020-08-10 CN CN202021644221.XU patent/CN213733171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131851A (en) * | 2021-11-11 | 2022-03-04 | 成都路宝工程材料有限公司 | Mould for geogrid with folding nodes |
| CN114131851B (en) * | 2021-11-11 | 2023-01-24 | 成都路宝工程材料有限公司 | Mould for geogrid with folding nodes |
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