CN220923187U - Slide block core bayonet lock quick change type and simple pre-poking structure of die - Google Patents
Slide block core bayonet lock quick change type and simple pre-poking structure of die Download PDFInfo
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- CN220923187U CN220923187U CN202322678534.7U CN202322678534U CN220923187U CN 220923187 U CN220923187 U CN 220923187U CN 202322678534 U CN202322678534 U CN 202322678534U CN 220923187 U CN220923187 U CN 220923187U
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Abstract
The utility model discloses a slide block core bayonet lock quick-change and simple pre-shifting structure, which comprises a movable mold frame, wherein a mounting cavity is formed in one side wall of the movable mold frame, a mold core II is fixedly arranged in the mounting cavity in a matched manner, a core strip for realizing the internal molding of the mold core II is fixedly arranged in the mold core II, the top end of the core strip is connected with a slide block seat, and pressing strips are symmetrically fixed on two sides of the slide block seat on the movable mold frame. The beneficial effects are that: according to the utility model, the slide block seat pressing piece is additionally arranged at the slide block seat on the movable mold frame, and the ejector rod and the preset spring are matched and fixed at the bottom end of the slide block seat pressing piece, so that the slide block seat can be pre-jacked from the movable mold frame under the action of the preset spring after the injection molding of the middle hollow part injection mold, and the core strip is prevented from being pulled out due to the fact that the matching force between the slide block seat and the injection mold is large, so that the core pulling efficiency of the middle hollow part injection mold is improved.
Description
Technical Field
The utility model relates to the technical field of a pre-poking structure of a sliding block core of a die, in particular to a quick-change type clamping pin of the sliding block core and a simple pre-poking structure of the die.
Background
The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material. The term "industrial mother" is used. The core strip in the middle hollow part is required to be pulled out after the injection mold is used for injection molding in the middle hollow part.
The prior middle hollow part is mainly connected with a sliding block seat on a molded part core strip through an oil cylinder after injection molding, so that the core strip on the middle hollow part after injection molding is pulled out, and the pulling-out of the core strip on the middle hollow part after injection molding can be met under the pulling-out mode, but the pulling-out distance between the core strip sliding block seat and the middle hollow part injection mold is long, so that the core strip can not be pulled out easily due to the large matching force between the core strip sliding block seat and the injection mold, and the core pulling efficiency of the middle hollow part after injection molding is lower.
Disclosure of utility model
First, the technical problem to be solved
The utility model aims to solve the technical problem of the prior art, and provides a slide block core bayonet lock quick-change type and simple pre-poking structure which can realize the pre-separation between a core bar slide block seat and a middle hollow part injection mold through a pre-ejection structure, thereby facilitating the efficient extraction of a core bar in the middle hollow part after injection molding.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a slide block core bayonet lock quick-change and simple pre-shifting structure, which comprises a movable mold frame, wherein a mounting cavity is formed in one side wall of the movable mold frame, a mold core II is fixedly arranged in the mounting cavity in a matched manner, a core strip for realizing the internal molding of the mold core II is fixedly arranged in the mold core II, the top end of the core strip is connected with a slide block seat, pressing strips are symmetrically fixed on the movable mold frame and positioned on two sides of the slide block seat, a slide block seat patch is fixedly arranged on the top end of the slide block seat in a matched manner, a fixed ejector rod is fixedly arranged on one side of the bottom end of the slide block seat patch, a pre-ejection spring is arranged between the bottom end of the ejector rod and the movable mold frame, and a drawing rod is connected in the middle of the upper end of the slide block seat.
Furthermore, a first mold core is fixed on one side of the second mold core, the first mold core and the second mold core are hollow structures, and the first mold core is symmetrical with the second mold core in structure.
By adopting the technical scheme, the first mold core, the second mold core and the core strip can ensure the convenient molding of hollow parts in the middle.
Furthermore, the second mold core is inserted into the mounting cavity, and the second mold core is inserted into the core strip.
By adopting the technical scheme, the core strip can be reliably fixed on the second die core.
Further, the core strip adopts a structure with thick upper part and thin lower part, and the top end of the core strip is fixedly connected with the sliding block seat through bolts.
By adopting the technical scheme, the shape of the core strip is just the shape of the hollow structure in the middle of the part after injection molding.
Further, the pressing strip is connected with the movable mold frame through bolts, and the sliding block seat is connected with the pressing strip in a sliding mode.
By adopting the technical scheme, the pressing strip can provide guidance for the sliding of the sliding block seat and realize the reliable fixing of the sliding block seat on the movable die frame.
Further, the bottom end of the drawing rod is connected with the sliding block seat through a bolt, and the sliding block seat patch is connected with the sliding block seat through a bolt.
By adopting the technical scheme, the reliable fixation of the sliding block seat patch on the sliding block seat can be realized.
Further, the pre-ejection spring is welded with the movable die frame, the top end of the pre-ejection spring is in contact with the ejector rod, and the ejector rod is in bolt connection with the slider seat patch.
Through adopting above-mentioned technical scheme, when coring after middle cavity class part injection moulding, can realize under predetermined spring effect the sliding block seat by jack-up in advance on the movable mould frame avoids because of the cooperation dynamics between sliding block seat and the injection mold is great makes the core strip unable to pull out to make middle cavity class part obtain promoting at the efficiency of loosing core after injection moulding.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
In order to solve the problems that after injection molding of the existing middle hollow part, the middle hollow part is mainly connected with a sliding block seat on a molded part core strip through an oil cylinder, so that the pulling out of the core strip on the middle hollow part after injection molding is realized.
Drawings
FIG. 1 is a schematic diagram of a simple pre-shifting structure of a slide block core bayonet lock of the present utility model;
FIG. 2 is a schematic view of a slide block core bayonet lock quick-change and simple pre-shifting structure of a mold according to the present utility model after a first mold core is removed;
FIG. 3 is a back view of the slide core bayonet lock quick change and die simple pre-shifting structure of the present utility model with the movable die frame removed;
FIG. 4 is a schematic view of the structure of the slide core bayonet lock quick-change and simple pre-shifting structure of the present utility model after removing the first mold core and the slide base.
The reference numerals are explained as follows:
1. A pull rod; 2. a slider seat; 3. a first mold core; 4. a second mold core; 5. a mounting cavity; 6. a movable mold frame; 7. a slider seat patch; 8. a push rod; 9. pre-pushing a spring; 10. pressing strips; 11. and (5) a core strip.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-4, the slide block core bayonet lock quick-change and simple pre-pulling structure in this embodiment comprises a movable mold frame 6, a mounting cavity 5 is provided on one side wall of the movable mold frame 6, a mold core two 4 is fixed in the mounting cavity 5, a core strip 11 for realizing the internal molding of the mold core two 4 is fixed in the mold core two 4, the top end of the core strip 11 is connected with a slide block seat 2, press strips 10 are symmetrically fixed on the movable mold frame 6 on two sides of the slide block seat 2, the top end of the slide block seat 2 is cooperatively provided with a slide block seat patch 7, a fixed ejector rod 8 is fixed on one side of the bottom end of the slide block seat patch 7, a pre-pushing spring 9 is arranged between the bottom end of the ejector rod 8 and the movable mold frame 6, a pull rod 1 is connected in the middle of the upper end of the slide block seat 2, the mold core I3 is further fixed on one side of the mold core II 4, the mold core I3 and the mold core II 4 are of hollow structures, the mold core I3 and the mold core II 4 are symmetrical in inner structure, the mold core I3, the mold core II 4 and the core strip 11 can ensure convenient forming of hollow parts in the middle, when the hollow parts in the middle are core-extracted after injection molding, the slide block seat 2 can be pre-jacked on the movable mold frame 6 under the action of a preset spring, and the core strip 11 cannot be pulled out due to large matching force between the slide block seat 2 and the injection mold is avoided, so that the core-extracting efficiency of the hollow parts in the middle after injection molding is improved.
As shown in fig. 1-4, in this embodiment, the second mold core 4 is inserted into the mounting cavity 5, the second mold core 4 is inserted into the core 11, so that the core 11 is reliably fixed on the second mold core 4, the core 11 adopts a structure with thick top and thin bottom, the top end of the core 11 is fixedly connected with the sliding block seat 2 through bolts, the shape of the core 11 is the shape of the hollow structure in the middle of the injection molded part, the pressing strip 10 is in bolted connection with the movable mold frame 6, the sliding block seat 2 is slidably connected with the pressing strip 10, the pressing strip 10 can provide guidance for sliding of the sliding block seat 2, reliable fixing of the sliding block seat 2 on the movable mold frame 6 is realized, the bottom end of the pull rod 1 is bolted connection with the sliding block seat 2, the sliding block seat patch 7 is bolted connection with the sliding block seat 2, the pre-ejection spring 9 is welded with the movable mold frame 6, the top end of the pre-ejection spring 9 is in contact with the ejection rod 8, and the ejection rod 8 is bolted connection with the sliding block seat patch 7.
The specific implementation process of this embodiment is as follows: when the injection molding processing of the hollow parts is needed, the first mold core 3 and the second mold core 4 are fixed on the movable mold frame 6 in the mode shown in fig. 1, the core strip 11 is fixed between the first mold core 3 and the second mold core 4 through the sliding block seat 2, then the injection molding processing of the hollow parts can be started only by closing the outer fixed mold frame, when the hollow parts in the middle part are core-removed after injection molding, the sliding block seat 2 can be pre-lifted from the movable mold frame 6 under the action of a preset spring, and the situation that the core strip 11 cannot be pulled out due to large matching force between the sliding block seat 2 and the injection mold is avoided, so that the core pulling efficiency of the hollow parts in the middle part after injection molding is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. Slide block core bayonet lock quick-change and simple and easy structure of dialling in advance of mould, its characterized in that: including movable mould frame (6), install installation cavity (5) have been seted up on a movable mould frame (6) lateral wall, installation cavity (5) internal fit is fixed with mold core two (4), mold core two (4) internal fit has and is used for realizing inside fashioned core strip (11) of mold core two (4), core strip (11) top is connected with slider seat (2), be located on movable mould frame (6) slider seat (2) bilateral symmetry is fixed with layering (10), slider seat paster (7) are installed in slider seat (2) top cooperation, slider seat paster (7) bottom one side is fixed with fixed ejector pin (8), ejector pin (8) bottom with be placed between the movable mould frame (6) and push up spring (9) in advance, slider seat (2) upper end middle part is connected with pull rod (1).
2. The slide core bayonet lock quick-change and simple pre-dialing structure of mould according to claim 1, wherein: the mold core I (3) is further fixed on one side of the mold core II (4), the mold core I (3) and the mold core II (4) are of hollow structures, and the mold core I (3) and the mold core II (4) are of symmetrical inner structures.
3. The slide core bayonet lock quick-change and simple pre-dialing structure of mould according to claim 1, wherein: the second mold core (4) is inserted into the mounting cavity (5), and the second mold core (4) is inserted into the core strip (11).
4. The slide core bayonet lock quick-change and simple pre-dialing structure of mould according to claim 1, wherein: the core strip (11) adopts a structure with thick upper part and thin lower part, and the top end of the core strip (11) is fixedly connected with the sliding block seat (2) through bolts.
5. The slide core bayonet lock quick-change and simple pre-dialing structure of mould according to claim 1, wherein: the pressing strip (10) is connected with the movable die frame (6) through bolts, and the sliding block seat (2) is connected with the pressing strip (10) in a sliding mode.
6. The slide core bayonet lock quick-change and simple pre-dialing structure of mould according to claim 1, wherein: the bottom end of the drawing rod (1) is connected with the sliding block seat (2) through bolts, and the sliding block seat patch (7) is connected with the sliding block seat (2) through bolts.
7. The slide core bayonet lock quick-change and simple pre-dialing structure of mould according to claim 1, wherein: the pre-ejection spring (9) is welded with the movable die frame (6), the top end of the pre-ejection spring (9) is in contact with the ejector rod (8), and the ejector rod (8) is connected with the slider seat patch (7) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322678534.7U CN220923187U (en) | 2023-10-08 | 2023-10-08 | Slide block core bayonet lock quick change type and simple pre-poking structure of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322678534.7U CN220923187U (en) | 2023-10-08 | 2023-10-08 | Slide block core bayonet lock quick change type and simple pre-poking structure of die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220923187U true CN220923187U (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322678534.7U Active CN220923187U (en) | 2023-10-08 | 2023-10-08 | Slide block core bayonet lock quick change type and simple pre-poking structure of die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220923187U (en) |
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2023
- 2023-10-08 CN CN202322678534.7U patent/CN220923187U/en active Active
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