CN220593934U - Fixed die side sliding block self-locking structure and injection mold - Google Patents
Fixed die side sliding block self-locking structure and injection mold Download PDFInfo
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- CN220593934U CN220593934U CN202322268839.0U CN202322268839U CN220593934U CN 220593934 U CN220593934 U CN 220593934U CN 202322268839 U CN202322268839 U CN 202322268839U CN 220593934 U CN220593934 U CN 220593934U
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- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 230000008602 contraction Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 abstract description 9
- 229920003023 plastic Polymers 0.000 abstract description 9
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000002991 molded plastic Substances 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a fixed mold side sliding block self-locking structure and an injection mold, which comprise a sliding block insert, a limiting piece and an oil cylinder meson, wherein the oil cylinder meson is used for connecting the sliding block insert and an oil cylinder, a groove body is formed at the connecting end of the sliding block insert and the oil cylinder meson, and a certain expansion amount is formed in the groove body by the oil cylinder meson; the limiting piece is arranged on the side face of the sliding block insert and used for being matched with the oil cylinder insert to lock the sliding block insert, when the oil cylinder insert moves towards the sliding block insert, the limiting piece locks the sliding block insert, and when the oil cylinder insert moves away from the sliding block insert, the limiting piece unlocks. This cover half side slider auto-lock structure and injection mold, when the product is moulded plastics, the hydro-cylinder meson moves towards the slider income, and locating part and hydro-cylinder meson can cooperate in order to realize the locking to the slider income this moment to lock on the basis of the thrust that the hydro-cylinder applyed the slider income, will not loosen back again when the extrusion of pressure of moulding plastics is received again after guaranteeing that the slider income is accomplished the auto-lock.
Description
Technical Field
The utility model relates to a fixed mold side sliding block self-locking structure and an injection mold, and belongs to the technical field of injection molds.
Background
When the product is injection molded, under the pushing of injection molding pressure, plastic melt can exert great pressure on each surface of a mold cavity, for a fixed mold side slide block core-pulling structure driven by an oil cylinder, the forward pushing force of the slide block core-pulling structure is insufficient to resist the pressure from plastic, the slide block core-pulling structure can loosen backwards, a gap is formed between the slide block and a mold core, the melt plastic enters the gap, and burrs are generated on the product surface;
therefore, in order to avoid loosening of the core-pulling structure of the slide block and solve the problem of burrs on the product surface, a self-locking structure of the slide block on the side of the fixed mold and an injection mold are needed.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a fixed mold side sliding block self-locking structure and an injection mold, when a product is injected, an oil cylinder meson moves towards a sliding block meson, and at the moment, a limiting piece and the oil cylinder meson can be matched to lock the sliding block meson, so that the sliding block meson is further locked on the basis of thrust force exerted by an oil cylinder on the sliding block meson, and the sliding block meson is prevented from loosening backwards when being extruded by injection pressure after self-locking.
In order to achieve the above purpose/solve the above technical problems, the present utility model is realized by adopting the following technical scheme:
in a first aspect, the utility model provides a fixed mold side sliding block self-locking structure, which comprises a sliding block insert, a limiting piece and an oil cylinder meson,
the oil cylinder meson is used for connecting the sliding block meson with the oil cylinder, a groove body is formed at the connecting end of the sliding block meson and the oil cylinder meson, and a certain expansion amount is formed in the groove body by the oil cylinder meson;
the limiting piece is arranged on the side face of the sliding block insert and used for being matched with the oil cylinder insert to lock the sliding block insert, when the oil cylinder insert moves towards the sliding block insert, the limiting piece locks the sliding block insert, and when the oil cylinder insert moves away from the sliding block insert, the limiting piece unlocks.
Further, the number of the limiting pieces is two, and the two limiting pieces are symmetrically distributed on two sides of the slider insert.
Further, the limiting piece comprises a sliding block pressing bar and a sliding block positioning block, wherein,
the sliding block positioning block is arranged on the side surface of the oil cylinder meson and is in sliding connection with the sliding block meson, and the moving direction of the sliding block positioning block is perpendicular to the moving direction of the oil cylinder meson;
the sliding block pressing strip is arranged on one side, far away from the sliding block insert, of the sliding block positioning block, a matching groove is formed in one side, close to the sliding block positioning block, of the sliding block positioning block, 45-degree inclined planes are formed at two ends of one side, facing the oil cylinder meson, of the sliding block positioning block, and 45-degree inclined planes are formed on two sides of the top end of the oil cylinder meson and on the bottom side of the matching groove.
Further, the length of the side edge of the sliding block positioning block is consistent with the expansion and contraction amount of the oil cylinder meson.
Further, the expansion and contraction amount of the oil cylinder meson is 15mm.
Further, the oil cylinder meson is detachably connected with the head of the oil cylinder.
In a second aspect, the utility model provides an injection mold, which comprises the fixed mold side sliding block self-locking structure in the first aspect.
Compared with the prior art, the utility model has the beneficial effects that:
according to the fixed mold side sliding block self-locking structure, when a product is subjected to injection molding, the oil cylinder meson moves towards the sliding block meson, and the limiting piece and the oil cylinder meson can be matched at the moment to lock the sliding block meson, so that the sliding block meson is further locked on the basis of thrust exerted by the oil cylinder on the sliding block meson, and the sliding block meson is prevented from loosening backwards when being extruded by injection molding pressure after self-locking;
the utility model provides an injection mold, which can realize self-locking of a fixed mold slide block when the fixed mold slide block receives the pushing from the pressure of plastic melt by adapting the fixed mold side slide block self-locking structure, and solves the problem that the slide block loosens and withdraws backwards, thereby avoiding the phenomenon that the plastic melt enters a gap between the slide block and a mold core due to the loosening and withdrawing of the slide block, and burrs are generated on the product surface.
Drawings
Fig. 1 is a schematic structural view of a fixed mold side slider self-locking structure provided in the first embodiment;
FIG. 2 is an exploded view of the stationary mold side slider self-locking structure of FIG. 1;
FIG. 3 is a schematic view of a locking state of the stopper;
fig. 4 is a schematic view of the unlocking state of the limiting member.
In the figure: 1. a sliding block insert; 2. oil cylinder meson; 3. an oil cylinder; 4. a sliding block pressing bar; 5. and a slide block positioning block.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a fixed mold side slider self-locking structure, which includes a slider insert 1, a limiting member and an oil cylinder meson 2, wherein,
the oil cylinder meson 2 is used for connecting the sliding block meson 1 with the oil cylinder 3, a groove body is formed at the connecting end of the sliding block meson 1 and the oil cylinder meson 2, and a certain expansion amount is formed in the groove body by the oil cylinder meson 2;
the limiting piece is arranged on the side face of the sliding block insert 1 and is used for being matched with the oil cylinder meson 2 to lock the sliding block insert 1, when the oil cylinder meson 2 moves towards the sliding block insert 1, the limiting piece locks the sliding block insert 1, and when the oil cylinder meson 2 moves away from the sliding block insert 1, the limiting piece is unlocked.
In the above technical scheme, when the product is injection molded, the oil cylinder meson 2 moves towards the sliding block meson 1, and at the moment, the limiting piece and the oil cylinder meson 2 can be matched to lock the sliding block meson 1, so that the sliding block meson 1 is further locked on the basis of the thrust applied by the oil cylinder 3 to the sliding block meson 1, and the sliding block meson 1 is prevented from loosening backwards when being extruded by injection molding pressure after being self-locked.
In order to ensure the stability of the sliding block insert 1 during self-locking, the number of the limiting pieces is two, and the two limiting pieces are symmetrically distributed on two sides of the sliding block insert 1.
In order to realize the locking of the limiting piece to the sliding block insert 1, the limiting piece comprises a sliding block pressing bar 4 and a sliding block positioning block 5, wherein,
the sliding block positioning block 5 is arranged on the side surface of the oil cylinder meson 2 and is in sliding connection with the sliding block meson 1, and the moving direction of the sliding block positioning block 5 is perpendicular to the moving direction of the oil cylinder meson 2;
the sliding block pressing strip 4 is arranged on one side, far away from the sliding block insert 1, of the sliding block positioning block 5, a matching groove is formed in one side, close to the sliding block positioning block 5, of the sliding block pressing strip 4, 45-degree inclined surfaces are arranged at two ends of one side, facing the oil cylinder meson 2, of the sliding block positioning block 5, and 45-degree inclined surfaces are arranged on two sides of the top end of the oil cylinder meson 2 and on the bottom side of the matching groove.
The sliding block insert 1 is a part for forming an inverted buckle shape in a product, the tail part of the sliding block insert outwards grows to form a hanging table, the sliding block insert is in a T shape with the sliding block insert main body, and the sliding block pressing strip 4 is placed on the upper part of the hanging table of the sliding block insert 1 and is fixed with the template through a hexagonal screw and used for pressing the sliding block insert to prevent the sliding block insert from moving up and down.
In order to realize the matching of the slide block positioning block 5 and the oil cylinder meson 2, the length of the side edge of the slide block positioning block 5 is consistent with the expansion and contraction amount of the oil cylinder meson 2.
In this embodiment, the extension and retraction amount of the cylinder meson 2 is 15mm, and the side length of the slide block positioning block 5 is also 15mm.
In order to facilitate the disassembly and assembly between the oil cylinder meson 2 and the head of the oil cylinder 3, the oil cylinder meson 2 is detachably connected with the head of the oil cylinder 3, in this embodiment, the oil cylinder meson 2 and the oil cylinder 3 are in a threaded connection mode, and internal tapping threads of the oil cylinder meson 2 are connected with external threads of the head of the oil cylinder 3 in a matched mode.
The implementation process of the fixed die slide self-locking structure provided in this embodiment is specifically described below: during injection molding, plastic melt enters a cavity, a slide block 3 in a slide block insert 1 is clamped in a slide block pressing bar 4 at the moment, and belongs to a self-locking state, as shown in fig. 3, after injection molding of a product is completed, an oil cylinder 3 is retracted backwards to drive an oil cylinder meson 2 connected with the oil cylinder 3 to move backwards together, the oil cylinder meson 2 and the slide block insert 1 move backwards together after the oil cylinder meson 2 are contacted with the slide block insert 1, at the same time, the slide block insert 1 is driven to move backwards together, at the same time, the inclined surface of a slide block positioning block 5 is contacted with the inner inclined surface of the slide block pressing bar 4, the slide block positioning block 5 is retracted inwards to the slide block insert 1 under the action of the inclined surface extrusion force, at the moment, the locking of the slide block is completed, the slide block insert 1 is driven by the oil cylinder 3 to move backwards for a designated distance and then the product is ejected, and the first product molding is completed, at the beginning of injection molding of the second time, at the moment, the oil cylinder 3 and the oil cylinder meson 2 extend forwards, the inclined surface of the oil cylinder meson 2 contacts the inclined surface of the slide block insert 1 and the slide block positioning block 5 are pushed to reset to the original state, the slide block insert 1 is self-locked, at the moment, the slide block insert 1 is not subjected to extrusion back after the self-locking is completed, and the self-locking pressure is not subjected to back.
To sum up, in the fixed mold side slide block self-locking structure provided by the embodiment, when a product is injection molded, the cylinder meson 2 moves towards the slide block meson 1, and at the moment, the limiting piece and the cylinder meson 2 can be matched to lock the slide block meson 1, so that the slide block meson 1 is further locked on the basis of the thrust force exerted by the cylinder 3 on the slide block meson 1, and the slide block meson 1 is prevented from loosening backwards when being extruded by injection molding pressure after completing self-locking.
Example two
The embodiment provides an injection mold, through adaptation embodiment one cover half side slider self-locking structure, can realize that the cover half slider realizes the self-locking when receiving the promotion from plastic fuse-element pressure, solves the problem that the slider is loose backward to avoid the fuse-element plastic to get into in the clearance that produces because the slider is loose between slider and the mould benevolence, lead to producing deckle edge burr on the product face.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (7)
1. The fixed die side sliding block self-locking structure is characterized by comprising a sliding block insert (1), a limiting piece and an oil cylinder meson (2), wherein,
the oil cylinder meson (2) is used for connecting the sliding block meson (1) with the oil cylinder (3), a groove body is formed at the connecting end of the sliding block meson (1) and the oil cylinder meson (2), and the oil cylinder meson (2) has a certain expansion amount in the groove body;
the limiting piece is arranged on the side face of the sliding block insert (1) and used for being matched with the oil cylinder meson (2) to lock the sliding block insert (1), when the oil cylinder meson (2) moves towards the sliding block insert (1), the limiting piece locks the sliding block insert (1), and when the oil cylinder meson (2) moves away from the sliding block insert (1), the limiting piece is unlocked.
2. The fixed mold side sliding block self-locking structure according to claim 1, wherein the number of the limiting pieces is two, and the two limiting pieces are symmetrically distributed on two sides of the sliding block insert (1).
3. The fixed mold side slide self-locking structure according to claim 2, wherein the limiting piece comprises a slide pressing bar (4) and a slide positioning block (5), wherein,
the sliding block positioning block (5) is arranged on the side surface of the oil cylinder meson (2) and is in sliding connection with the sliding block meson (1), and the moving direction of the sliding block positioning block (5) is perpendicular to the moving direction of the oil cylinder meson (2);
the sliding block pressing bar (4) is arranged on one side, far away from the sliding block insert (1), of the sliding block positioning block (5), a matching groove is formed in one side, close to the sliding block positioning block (5), of the sliding block pressing bar (4), 45-degree inclined surfaces are arranged at two ends of one side, facing the oil cylinder meson (2), of the sliding block positioning block (5), and 45-degree inclined surfaces are arranged on two sides of the top end of the oil cylinder meson (2) and on the bottom side of the matching groove.
4. The fixed mold side sliding block self-locking structure according to claim 3, wherein the side length of the sliding block positioning block (5) is consistent with the expansion and contraction amount of the oil cylinder meson (2).
5. The fixed mold side sliding block self-locking structure according to claim 1, wherein the telescopic amount of the oil cylinder meson (2) is 15mm.
6. The fixed mold side sliding block self-locking structure according to claim 1, wherein the oil cylinder meson (2) is detachably connected with the head of the oil cylinder (3).
7. An injection mold, comprising the stationary mold side slide self-locking structure of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322268839.0U CN220593934U (en) | 2023-08-23 | 2023-08-23 | Fixed die side sliding block self-locking structure and injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322268839.0U CN220593934U (en) | 2023-08-23 | 2023-08-23 | Fixed die side sliding block self-locking structure and injection mold |
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| CN220593934U true CN220593934U (en) | 2024-03-15 |
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| CN202322268839.0U Active CN220593934U (en) | 2023-08-23 | 2023-08-23 | Fixed die side sliding block self-locking structure and injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117944230A (en) * | 2024-03-27 | 2024-04-30 | 森骏卓越精密智造(深圳)有限公司 | Manufacturing equipment of high-quality medical three-way pipe |
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2023
- 2023-08-23 CN CN202322268839.0U patent/CN220593934U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117944230A (en) * | 2024-03-27 | 2024-04-30 | 森骏卓越精密智造(深圳)有限公司 | Manufacturing equipment of high-quality medical three-way pipe |
| CN117944230B (en) * | 2024-03-27 | 2024-06-14 | 森骏卓越精密智造(深圳)有限公司 | Manufacturing equipment of high-quality medical three-way pipe |
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