CN214266506U - Injection mold with automatic water gap cutting function - Google Patents

Injection mold with automatic water gap cutting function Download PDF

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Publication number
CN214266506U
CN214266506U CN202022621178.1U CN202022621178U CN214266506U CN 214266506 U CN214266506 U CN 214266506U CN 202022621178 U CN202022621178 U CN 202022621178U CN 214266506 U CN214266506 U CN 214266506U
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mold
movable
sliding block
cavity
facing
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CN202022621178.1U
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黄铁平
熊向军
袁燊喜
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Shenzhen Silver Basis Technology Co Ltd
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Shenzhen Silver Basis Technology Co Ltd
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Abstract

The utility model provides an injection mold with automatic cut mouth of a river function. The injection mold with the automatic water gap cutting function comprises a fixed mold, a movable mold and a water gap cutting assembly. The utility model discloses a cover half and the mutual adaptation of movable mould board, and form the die cavity that is used for injection moulding product between the two, the mouth can be penetrated for heat to the notes material spare, the mouth is penetrated to heat and liquid injection die intracavity will be moulded plastics through the cold runner, treat to mould plastics and accomplish and cool off the back, form the product in the die cavity, and the mouth of a river material that is located the cold runner of being connected with the product, in order to get rid of mouth of a river material at the in-process automation that movable mould board and cover half separated, can set up the mouth of a river subassembly of cutting on one side of movable mould board orientation cover half, be used for getting rid of mouth of a river material from the product. Above-mentioned structure can just amputate mouth of a river material is automatic inside the mould, need not to consume additional manpower and process.

Description

Injection mold with automatic water gap cutting function
Technical Field
The utility model relates to a mould equipment technical field, in particular to injection mold with automatic cut mouth of a river function.
Background
Injection molding processes are widely used to produce parts that are low cost and relatively complex. One benefit of injection molding is its ability to produce large quantities of the same parts. However, for the injection mold of the hot runner cold runner, the injection molding machine injects the high-temperature molten plastic into the mold cavity through the hot runner hot nozzle, the high-temperature molten plastic firstly passes through a section of water gap part and then enters the mold cavity, the water gap is connected with the hot runner hot nozzle and the mold cavity, after the product is ejected out after injection molding, the water gap can be connected to the product, a complete finished product is obtained, the water gap is removed through a processing method, the water gap is manually scraped by a blade, the efficiency is low, the quality is poor, the water gap can be remained when the product is not completely scraped, and the product is easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an injection mold with automatic cut mouth of a river function aims at solving the manual work and scrapes the mouth of a river with the blade, and efficiency is slow, the quality is poor, scrapes the unclean technical problem that can remain the mouth of a river, scrape more easily harm the product.
In order to achieve the above object, the utility model provides an injection mold with automatic cut mouth of a river function, injection mold with automatic cut mouth of a river function includes cover half and movable mould, the movable mould includes:
the injection molding device comprises a fixed die, a movable die plate, an injection piece, a mold cavity and a mold cavity, wherein the fixed die is arranged on the fixed die, the movable die plate can be relatively close to or far away from the fixed die, the mold cavity is formed between the movable die plate and the fixed die, and the injection piece is used for injecting injection molding liquid into the mold cavity to mold a product;
the water cutting opening assembly is arranged on one side, facing the fixed die, of the movable die plate in a sliding mode, a cold runner is arranged on one side, facing the material injection part, of the water cutting opening assembly, and the cold runner is communicated with the cavity;
after injection molding is completed, a nozzle material is formed in the cold runner, and when the movable mold plate and the fixed mold are demolded, the nozzle cutting assembly is far away from the cavity so as to drive the nozzle material to be far away from the edge of the cavity.
Preferably, the water cutting opening assembly includes:
the sliding block is arranged on one side, facing the fixed die, of the movable die plate in a sliding mode, and a cold runner is formed in one side, facing the material injection part, of the sliding block;
the inclined guide column is obliquely arranged on one side, facing the movable die plate, of the fixed die, inclines towards the direction away from the cavity, and one end, far away from the fixed die, of the inclined guide column penetrates through the sliding block;
when the movable die plate and the fixed die are demolded, the movable die is far away from the inclined guide post, and the sliding block is far away from the edge of the cavity along the inclined direction of the inclined guide post.
Preferably, the cutting gate assembly comprises:
the two guide blocks are arranged on one side, facing the fixed die, of the movable die plate at intervals, the length direction of the guide blocks is consistent with the sliding direction of the sliding block, the sliding block is arranged between the two guide blocks in a sliding mode, and the two opposite side walls of the sliding block are abutted to the two guide blocks respectively.
Preferably, the injection mold with an automatic gate cutting function further comprises:
the limiting mechanism is arranged on one side, away from the sliding block, of the movable die plate and is located on the sliding path of the sliding block, and the limiting mechanism is used for limiting the distance between the sliding block and the edge of the cavity.
Preferably, the limiting mechanism comprises:
the limiting block is arranged on one side, away from the sliding block, of the movable template, and one end, facing the fixed die, of the limiting block is higher than one side, facing the movable template, of the sliding block in the direction from the sliding block to the fixed die;
and the fixing piece penetrates through the limiting block and is arranged on the movable die in an extending mode.
Preferably, one side of the sliding block, which faces the limiting block, is provided with a limiting notch, and after the sliding block is far away from the edge of the cavity, the side wall of the limiting notch is abutted to the limiting block.
Preferably, one side of the sliding block, which faces the cavity, is provided with an inverted protrusion, and the inverted protrusion is arranged in the cavity.
Preferably, the water cutting opening assembly further comprises:
the first wear-resisting block is arranged on one side, facing the fixed die, of the movable die plate, and the sliding block is arranged on the first wear-resisting block in a sliding mode.
Preferably, a second wear-resistant block is arranged on one side of the sliding block away from the die cavity.
Preferably, the injection mold with an automatic gate cutting function further comprises:
the ejection block to one side, the ejection block to one side set up in the movable mould board orientation on one side of cover half, the spout has been seted up on the ejection block to one side, the slider slide set up in the spout.
The utility model discloses a cover half and the mutual adaptation of movable mould board, and form the die cavity that is used for injection moulding product between the two, the mouth can be penetrated for heat to the notes material spare, the mouth is penetrated to heat and liquid injection die intracavity will be moulded plastics through the cold runner, treat to mould plastics and accomplish and cool off the back, form the product in the die cavity, and the mouth of a river material that is located the cold runner of being connected with the product, in order to get rid of mouth of a river material at the in-process automation that movable mould board and cover half separated, can set up the mouth of a river subassembly of cutting on one side of movable mould board orientation cover half, be used for getting rid of mouth of a river material from the product. Above-mentioned structure can just amputate mouth of a river material is automatic inside the mould, need not to consume additional manpower and process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the injection mold of the present invention;
FIG. 2 is a schematic structural view of a front mold assembly according to another embodiment of the injection mold of the present invention;
FIG. 3 is an enlarged view of a portion of N in FIG. 2;
fig. 4 is a schematic structural view (one) of a water cutting port assembly of an embodiment of the injection mold of the present invention;
fig. 5 is a schematic structural view (ii) of the water gap cutting assembly according to an embodiment of the injection mold of the present invention.
The reference numbers illustrate:
Figure DEST_PATH_GDA0003179646430000031
Figure DEST_PATH_GDA0003179646430000041
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 5, the utility model provides an injection mold 100 with automatic water gap cutting function, injection mold 100 with automatic water gap cutting function includes cover half 10 and movable mould 20, movable mould 20 includes: the injection molding device comprises a movable mold plate 30, wherein the movable mold plate 30 can be relatively close to or far away from the fixed mold 10, a material injection piece 200 is arranged on the fixed mold 10, a cavity A is formed between the movable mold plate 30 and the fixed mold 10, and the material injection piece 200 is used for injecting injection molding liquid into the cavity A to mold a product; the water cutting opening assembly 40 is arranged on one side, facing the fixed die 10, of the movable die plate 30 in a sliding manner, and a cold runner B is arranged on one side, facing the injection part 200, of the water cutting opening assembly 40 and is communicated with the cavity A; after the injection molding is finished, a nozzle material is formed in the cold runner B, and when the movable mold plate 30 and the fixed mold 10 are demolded, the nozzle cutting assembly 40 is far away from the cavity A to drive the nozzle material to be far away from the edge of the cavity A.
Injection molding processes are widely used to produce parts that are low cost and relatively complex. One benefit of injection molding is its ability to produce large quantities of the same parts. However, for the injection mold of the hot runner cold runner, the injection molding machine injects high-temperature molten plastic into the mold cavity a through the hot runner nozzle, the molten plastic firstly passes through a section of water gap part and then enters the mold cavity a, the water gap is connected with the hot runner nozzle and the mold cavity a, after the product is ejected, the water gap is connected to the product, a complete finished product is obtained, the water gap is removed through a processing method, the water gap is manually scraped by a blade, the efficiency is low, the quality is poor, the water gap can be remained when the product is not completely scraped, and the product is easily damaged.
In view of this, the utility model discloses a cover half 10 and the mutual adaptation of movable mould board 30, and form the die cavity A that is used for the injection moulding product between the two, annotate material spare 200 and can be the hot mouth of penetrating, the hot mouth of penetrating is through in the cold runner B will mould plastics liquid injection die cavity A, treat to mould plastics and accomplish and cool off the back, form the product in the die cavity A, and the mouth of a river material that is located the cold runner B who is connected with the product, in order to get rid of mouth of a river material automatically at the in-process that movable mould board 30 and cover half 10 separate, can set up on one side of movable mould board 30 towards cover half 10 and cut mouth of a river subassembly 40, be used for getting rid of mouth of a river material from the product. Above-mentioned structure can just amputate mouth of a river material is automatic inside the mould, need not to consume additional manpower and process.
Specifically, the water cutting port assembly 40 includes: the sliding block 41 is arranged on one side, facing the fixed die 10, of the movable die plate 30 in a sliding manner, and a cold runner B is formed on one side, facing the injection part 200, of the sliding block 41; the inclined guide post 42 is obliquely arranged on one side of the fixed die 10 facing the movable die plate 30, the inclined guide post 42 is inclined towards the direction away from the cavity A, and one end, away from the fixed die 10, of the inclined guide post 42 penetrates through the sliding block 41; when the movable die plate 30 is released from the fixed die 10, the movable die 20 is away from the inclined guide post 42, and the slider 41 is away from the edge of the cavity a along the inclined direction of the inclined guide post 42.
In this embodiment, the sliding block 41 can be slidably disposed on one side of the movable mold plate 30 facing the fixed mold 10, the cold runner B communicated with the cavity a is disposed on one side of the sliding block 41 facing the injection member 200, in order to facilitate the removal of the gate material in the cold runner B, the inclined guide post 42 can be obliquely disposed on one side of the fixed mold 10 facing the movable mold plate 30, and the inclined guide post 42 is inclined toward the direction away from the cavity a, when the movable mold plate 30 is forced to separate the fixed mold 10, the movable mold plate 30 is far away from the inclined guide post 42, so that the sliding block 41 is far away from the cavity a along the inclined direction of the inclined guide post 42, the gate material in the cold runner B is forced to be away from the product, and is separated from the product, and the gate is automatically removed.
Specifically, the water cutting port assembly 40 includes: the two guide blocks 43 are arranged on one side of the movable die plate 30 facing the fixed die 10 at intervals, the length direction of the guide blocks 43 is consistent with the sliding direction of the slide block 41, the slide block 41 is arranged between the two guide blocks 43 in a sliding manner, and two opposite side walls of the slide block 41 are respectively abutted to the two guide blocks 43.
In this embodiment, in order to improve the sliding stability of the slider 41, two guide blocks 43 may be additionally disposed on two opposite sidewalls of the slider 41, and the length direction of the guide blocks 43 is parallel to the sliding direction of the slider 41, so that a sliding rail is formed by the two guide blocks 43, the slider 41 slides along the sliding rail, and the sliding stability of the slider 41 is improved.
Specifically, the injection mold 100 with an automatic water gap cutting function further includes: the limiting mechanism is arranged on one side, far away from the sliding block 41, of the movable die plate 30, is located on a sliding path of the sliding block 41, and is used for limiting the distance, far away from the edge of the cavity A, of the sliding block 41. In this embodiment, in order to prevent the slider 41 from being separated from the movable die plate 30, a limiting mechanism may be disposed on a side of the movable die plate 30 away from the slider 41, and the limiting mechanism is used to limit the maximum displacement of the slider 41 away from the cavity a, so as to prevent the slider 41 from being completely separated from the movable die plate 30.
Specifically, stop gear includes: the limiting block 44 is arranged on one side of the movable template 30, which is far away from the sliding block 41, and one end, facing the fixed mold 10, of the limiting block 44 is higher than one side, facing the movable template 30, of the sliding block 41 in the direction from the sliding block 41 to the fixed mold 10; and the fixing piece 45 penetrates through the limiting block 44 and extends on the movable die 20. In this embodiment, a limiting block 44 may be fixed by a fixing member 45 on a side of the movable mold plate 30 away from the sliding block 41, and an end of the limiting block 44 facing the fixed mold 10 is higher than an end of the sliding block 41 facing the movable mold plate 30, so that after the sliding block 41 is away from the cavity a by a certain distance, the nozzle material is separated from the product, and the sliding block 41 abuts against the limiting block 44.
Specifically, a limiting notch C is formed in one side, facing the limiting block 44, of the slide block 41, and after the slide block 41 is far away from the edge of the cavity a, the side wall of the limiting notch C is abutted to the limiting block 44. In this embodiment, can set up the spacing breach C that can hold stopper 44 in slider 41 towards one side of stopper 44, after slider 41 kept away from die cavity A certain distance, and with mouth of a river material from the product separation, stopper 44 sets up in spacing breach C to with spacing breach C's lateral wall butt.
Specifically, one side of the slider 41 facing the cavity a is provided with a reversing protrusion 411, and the reversing protrusion 411 is disposed in the cavity a. In this embodiment, in order to facilitate ejecting the product, an inverted protrusion 411 may be disposed on a side of the slider 41 facing the cavity a to form an inverted position.
Specifically, the water cutting port assembly 40 further includes: a first wear-resistant block 46, wherein the first wear-resistant block 46 is arranged on one side of the movable die plate 30 facing the fixed die 10, and the slide block 41 is slidably arranged on the first wear-resistant block 46. In this embodiment, since the manufacturing cost of the mold is high, in order to avoid damaging the movable mold plate 30 during the long-term sliding of the slide block 41, the first wear-resistant block 46 may be disposed on the side surface of the movable mold plate 30 facing the fixed mold 10, so that the slide block 41 is slidably disposed on the first wear-resistant block 46 to avoid directly abutting against the movable mold plate 30.
Specifically, a second wear-resistant block 47 is arranged on one side of the slide block 41 away from the cavity a. In this embodiment, in order to avoid direct contact between the slide block 41 and other parts of the mold, a second wear-resistant block 47 may be disposed on a side of the slide block 41 away from the cavity a.
Specifically, the movable mold 20 further includes: the top piece 50 to one side, the top piece 50 to one side set up in the movable mould board 30 orientation on one side of cover half 10, the spout has been seted up on the top piece 50 to one side, slider 41 slide set up in the spout. In this embodiment, in order to facilitate demolding, the inclined ejecting block 50 can be additionally arranged, the inclined ejecting block 50 is arranged on one side of the movable mold plate 30 facing the fixed mold 10, the sliding block 41 is arranged in the sliding groove in a sliding manner, and because one side of the product facing the fixed mold 10 is partially abutted against the inclined ejecting block 50, the inclined ejecting block 50 is forced to move towards the fixed mold 10 during demolding, so that the product is pushed to the movable mold plate 30.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides an injection mold with automatic cut mouth of a river function which characterized in that, injection mold with automatic cut mouth of a river function includes cover half and movable mould, the movable mould includes:
the injection molding device comprises a fixed die, a movable die plate, an injection piece, a mold cavity and a mold cavity, wherein the fixed die is arranged on the fixed die, the movable die plate can be relatively close to or far away from the fixed die, the mold cavity is formed between the movable die plate and the fixed die, and the injection piece is used for injecting injection molding liquid into the mold cavity to mold a product;
the water cutting opening assembly is arranged on one side, facing the fixed die, of the movable die plate in a sliding mode, a cold runner is arranged on one side, facing the material injection part, of the water cutting opening assembly, and the cold runner is communicated with the cavity;
after injection molding is completed, a nozzle material is formed in the cold runner, and when the movable mold plate and the fixed mold are demolded, the nozzle cutting assembly is far away from the cavity so as to drive the nozzle material to be far away from the edge of the cavity.
2. The injection mold with an automatic water cutting gap function according to claim 1, wherein the water cutting gap assembly comprises:
the sliding block is arranged on one side, facing the fixed die, of the movable die plate in a sliding mode, and a cold runner is formed in one side, facing the material injection part, of the sliding block;
the inclined guide column is obliquely arranged on one side, facing the movable die plate, of the fixed die, inclines towards the direction away from the cavity, and one end, far away from the fixed die, of the inclined guide column penetrates through the sliding block;
when the movable die plate and the fixed die are demolded, the movable die is far away from the inclined guide post, and the sliding block is far away from the edge of the cavity along the inclined direction of the inclined guide post.
3. The injection mold with an automatic water cutting gap function according to claim 2, wherein the water cutting gap assembly comprises:
the two guide blocks are arranged on one side, facing the fixed die, of the movable die plate at intervals, the length direction of the guide blocks is consistent with the sliding direction of the sliding block, the sliding block is arranged between the two guide blocks in a sliding mode, and the two opposite side walls of the sliding block are abutted to the two guide blocks respectively.
4. The injection mold with an automatic gate cutting function according to claim 2, further comprising:
the limiting mechanism is arranged on one side, away from the sliding block, of the movable die plate and is located on the sliding path of the sliding block, and the limiting mechanism is used for limiting the distance between the sliding block and the edge of the cavity.
5. The injection mold with automatic water gap cutting function as claimed in claim 4, wherein the limiting mechanism comprises:
the limiting block is arranged on one side, away from the sliding block, of the movable template, and one end, facing the fixed die, of the limiting block is higher than one side, facing the movable template, of the sliding block in the direction from the sliding block to the fixed die;
and the fixing piece penetrates through the limiting block and is arranged on the movable die in an extending mode.
6. The injection mold with the automatic water gap cutting function according to claim 5, wherein a limiting notch is formed in one side, facing the limiting block, of the sliding block, and after the sliding block is far away from the edge of the cavity, the side wall of the limiting notch abuts against the limiting block.
7. The injection mold with the automatic water gap cutting function as claimed in claim 2, wherein a side of the slider facing the cavity is provided with a reverse-buckling protrusion, and the reverse-buckling protrusion is arranged in the cavity.
8. The injection mold with an automatic water cutting gap function according to claim 2, wherein the water cutting gap assembly further comprises:
the first wear-resisting block is arranged on one side, facing the fixed die, of the movable die plate, and the sliding block is arranged on the first wear-resisting block in a sliding mode.
9. The injection mold with the automatic water gap cutting function as claimed in claim 2, wherein a second wear-resistant block is arranged on one side of the sliding block away from the cavity.
10. The injection mold with an automatic gate cutting function as claimed in claim 2, wherein the movable mold further comprises:
the top piece to one side, the top piece to one side set up in the movable mould board orientation on one side of cover half, the spout has been seted up on the top piece to one side, the slider slide set up in the spout.
CN202022621178.1U 2020-11-12 2020-11-12 Injection mold with automatic water gap cutting function Active CN214266506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022621178.1U CN214266506U (en) 2020-11-12 2020-11-12 Injection mold with automatic water gap cutting function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022621178.1U CN214266506U (en) 2020-11-12 2020-11-12 Injection mold with automatic water gap cutting function

Publications (1)

Publication Number Publication Date
CN214266506U true CN214266506U (en) 2021-09-24

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Application Number Title Priority Date Filing Date
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