CN214163887U - In-mold demoulding structure of injection mold - Google Patents
In-mold demoulding structure of injection mold Download PDFInfo
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- CN214163887U CN214163887U CN202022677587.3U CN202022677587U CN214163887U CN 214163887 U CN214163887 U CN 214163887U CN 202022677587 U CN202022677587 U CN 202022677587U CN 214163887 U CN214163887 U CN 214163887U
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Abstract
The utility model discloses an injection mould mold core demoulding structure, including shovel base, big slider, hydro-cylinder, pull-back meson, interior slider, oblique guide pillar, interior mold insert of loosing core, interior slider mold insert. The lower part of the shovel base abuts against the inclined plane on the outer side of the large sliding block, the outer end of the large sliding block is connected with one end of the pull-back meson, and the other end of the pull-back meson is connected with the end of a piston rod of the oil cylinder; the lower part of the inclined guide post is movably arranged in an inclined hole on the outer side of the inner slide block in a penetrating mode, the inner slide block is connected in the large slide block in a sliding mode, the inner end of the inner slide block is connected with the outer end of the inner slide block insert, and the inner slide block insert is connected with the inner core-pulling insert in a sliding mode in a groove block matching mode. When the mold is opened, the inclined guide post moves upwards to drive the inner slide block to withdraw first, and the inner slide block withdraws to drive the inner slide block mold insert to withdraw and drive the inner core-pulling mold insert to retract inwards; after the internal drawing sliding block reaches a certain position, the internal drawing sliding block is just clamped in the positioning block, the large sliding block pulled by the oil cylinder and the internal sliding block are withdrawn together, the demoulding is realized, and the internal drawing sliding block has the advantages of stable and reliable work.
Description
Technical Field
The utility model relates to an injection mold especially relates to an injection mold die core demoulding structure.
Background
The plastic injection mold is a tool for producing plastic products and has wide application. In the injection molding of plastic products, because the insides of some plastic products are concave or inverted, lateral core-pulling and demolding are needed.
Disclosure of Invention
An object of the utility model is to provide a reliable and stable injection mold die core demoulding structure of job.
In order to achieve the above object, the technical solution of the present invention is:
the utility model relates to an injection mold die core demoulding structure, its characterized in that: the shovel comprises a shovel base, a large sliding block, an oil cylinder, a pull-back meson, an inner sliding block, an inclined guide post, an inner core-pulling insert and an inner sliding block insert;
the lower part of the shovel base abuts against the inclined plane on the outer side of the large sliding block, the outer end of the large sliding block is connected with one end of the pull-back meson, and the other end of the pull-back meson is connected with the end of a piston rod of the oil cylinder; the lower part of the inclined guide post is movably arranged in an inclined hole on the outer side of the inner slide block in a penetrating mode, the inner slide block is connected in the large slide block in a sliding mode, the inner end of the inner slide block is connected with the outer end of the inner slide block insert, and the inner slide block insert is connected with the inner core-pulling insert in a sliding mode in a groove block matching mode.
The inner slide block insert is a three-sided conical cylinder with a small inner end and a large outer end, and a dovetail block is arranged on the surface of the inner slide block insert; the inner surface of the inner core-pulling insert is provided with a dovetail groove, and the dovetail groove of the inner core-pulling insert is connected to the dovetail block of the inner slide block insert in a sliding manner.
After the scheme is adopted, because the utility model comprises a shovel base, a big slide block, an oil cylinder, a pull-back meson, an inner slide block, an inclined guide pillar, an inner loose core insert and an inner slide block insert, when the mould is opened, the inclined guide pillar moves upwards to drive the inner slide block to withdraw first, and the inner slide block withdraws to drive the inner slide block insert to withdraw and drive the inner loose core insert to retract inwards; after the internal drawing sliding block reaches a certain position, the internal drawing sliding block is just clamped in the positioning block, the large sliding block pulled by the oil cylinder and the internal sliding block are withdrawn together, the demoulding is realized, and the internal drawing sliding block has the advantages of stable and reliable work.
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 5 is a cross-sectional view of the mold opening process of FIG. 1 taken along line A-A;
FIG. 6 is a cross-sectional view of the mold opening process of FIG. 1 taken along line B-B;
FIG. 7 is a cross-sectional view of the mold opening process of FIG. 1 taken along line C-C;
FIG. 8 is a cross-sectional view of FIG. 1 taken along line A-A after mold opening;
FIG. 9 is a cross-sectional view of FIG. 1 taken along line B-B after mold opening;
FIG. 10 is a cross-sectional view of FIG. 1 taken along line C-C after mold opening;
fig. 11 is a plan view of a mold to which the present invention is applied;
fig. 12 is a cross-sectional view taken along line D-D of fig. 11.
Detailed Description
As shown in fig. 1-4, the utility model relates to an injection mold in-mold demoulding structure, including shovel base 1, big slider 2, hydro-cylinder 3, pull-back meson 4, interior slider 5, guide pillar 6 to one side, interior mold insert of loosing core 7, interior slider mold insert 8.
Referring to fig. 11 and 12, the fixed die plate 10 is disposed to face the movable die plate 20, and a cavity is provided between the fixed die plate 10 and the movable die plate 20.
The upper end of the shovel base 1 is fixed on the fixed template 10, the lower part of the shovel base 1 abuts against the inclined plane 21 on the outer side of the large sliding block 2, the large sliding block 2 is connected to the movable template 20 in a sliding mode, the outer end of the large sliding block 2 is connected with one end of the pull-back meson 4, the other end of the pull-back meson 4 is connected with the rod end of a piston rod 31 of the oil cylinder 3, and the cylinder body of the oil cylinder 3 is fixed on the side wall of the movable template 20; the lower part of the inclined guide post 6 is movably arranged in an inclined hole 51 on the outer side of the inner slide block 5 in a penetrating mode, the inner slide block 5 is connected in the large slide block 2 in a sliding mode, the inner end of the inner slide block 5 is connected with the outer end of the inner slide block insert 8, and the inner slide block insert 8 is connected with the inner core-pulling insert 7 in a sliding mode in a groove block matching mode.
The inner slide block insert 8 is a three-sided conical cylinder with a small inner end and a large outer end, and a dovetail block 81 is arranged on the surface of the inner slide block insert; the inner surface of the inner core-pulling insert 7 is provided with a dovetail groove 71, and the dovetail groove 71 of the inner core-pulling insert 7 is slidably connected with a dovetail block 81 of the inner slide block insert 8.
The utility model discloses a theory of operation:
1. as shown in fig. 5-7, the inclined guide post 6 moves upward to drive the inner slide block 5 to exit first,
2. the inner slide block 5 is withdrawn to drive the inner slide block insert 8 to withdraw and drive the inner core-pulling insert 7 to retract inwards;
3. as shown in fig. 8-10, the inner slide 5 is just clamped on the positioning block after reaching a certain position;
4. the oil cylinder 3 pulls the large sliding block 2 and the inner sliding block 5 to quit together, so that demoulding is realized.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (2)
1. The utility model provides an injection mold die core demoulding structure which characterized in that: the shovel comprises a shovel base, a large sliding block, an oil cylinder, a pull-back meson, an inner sliding block, an inclined guide post, an inner core-pulling insert and an inner sliding block insert;
the lower part of the shovel base abuts against the inclined plane on the outer side of the large sliding block, the outer end of the large sliding block is connected with one end of the pull-back meson, and the other end of the pull-back meson is connected with the end of a piston rod of the oil cylinder; the lower part of the inclined guide post is movably arranged in an inclined hole on the outer side of the inner slide block in a penetrating mode, the inner slide block is connected in the large slide block in a sliding mode, the inner end of the inner slide block is connected with the outer end of the inner slide block insert, and the inner slide block insert is connected with the inner core-pulling insert in a sliding mode in a groove block matching mode.
2. The in-mold release structure for an injection mold of claim 1, wherein: the inner slide block insert is a three-sided conical cylinder with a small inner end and a large outer end, and a dovetail block is arranged on the surface of the inner slide block insert; the inner surface of the inner core-pulling insert is provided with a dovetail groove, and the dovetail groove of the inner core-pulling insert is connected to the dovetail block of the inner slide block insert in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677587.3U CN214163887U (en) | 2020-11-18 | 2020-11-18 | In-mold demoulding structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022677587.3U CN214163887U (en) | 2020-11-18 | 2020-11-18 | In-mold demoulding structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214163887U true CN214163887U (en) | 2021-09-10 |
Family
ID=77601036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022677587.3U Active CN214163887U (en) | 2020-11-18 | 2020-11-18 | In-mold demoulding structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214163887U (en) |
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2020
- 2020-11-18 CN CN202022677587.3U patent/CN214163887U/en active Active
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