CN215791528U - Mould movable mould demoulding mechanism - Google Patents
Mould movable mould demoulding mechanism Download PDFInfo
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- CN215791528U CN215791528U CN202122134673.4U CN202122134673U CN215791528U CN 215791528 U CN215791528 U CN 215791528U CN 202122134673 U CN202122134673 U CN 202122134673U CN 215791528 U CN215791528 U CN 215791528U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000012795 verification Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
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Abstract
The utility model provides a die moving die demoulding mechanism which comprises a fixed die plate, a moving die plate and a workpiece, wherein a fixed die core is arranged at the bottom of the fixed die plate; the movable mould comprises a fixed mould core and a movable mould core, and is characterized in that the top of the movable mould core is provided with the movable mould core, the bottom of the movable mould core is provided with a bottom plate, a workpiece is positioned between the fixed mould core and the movable mould core, an ejection mechanism is arranged inside the movable mould core, and the movable mould core is also provided with a back-off moving insert which is positioned in a back-off groove formed in the movable mould core. According to the utility model, the space is reserved by taking off the peripheral part of the inverted buckle, then a certain deformation is reserved for the inverted buckle part, and then demoulding is carried out, so that the product can be prevented from being strained, the structure is simple, convenient and practical, the risk can be reduced to the minimum, and the requirements of customers can be completely met after practice verification.
Description
Technical Field
The utility model relates to the field of mold demoulding, in particular to a movable mold demoulding mechanism of a mold.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.
However, for the molded product with some similar inverse buckle structures, the molded product can be forcedly released without a deformation gap, but the product is easy to damage, the risk is high, and the structure is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a demoulding mechanism for a moving mould of a mould, which aims to solve the technical problem.
In order to solve the technical problems, the utility model adopts the following technical scheme: a mould moving die demoulding mechanism comprises a fixed template, a moving template and a workpiece, wherein a fixed die core is arranged at the bottom of the fixed template; the movable die comprises a fixed die core, a movable die core, a workpiece, a back-off moving insert and a back-off groove, wherein the top of the movable die plate is provided with the movable die core, the bottom of the movable die plate is provided with a bottom plate, the workpiece is positioned between the fixed die core and the movable die core, the inner part of the movable die plate is provided with an ejection mechanism, the movable die core is also provided with the back-off moving insert, and the back-off moving insert is positioned in the back-off groove formed in the movable die core;
the ejection mechanism comprises an ejector pin, a limiting screw and a spring, the ejector pin is located inside the movable template, the top of the ejector pin is connected to the inverted buckle moving insert, the bottom of the ejector pin is connected with the limiting screw, and the spring is sleeved on the outer side of the limiting screw.
Preferably, the bottom of the fixed die core is provided with an upper die groove suitable for a workpiece, the top of the movable die core and the top of the inverted moving insert are provided with lower die grooves suitable for the workpiece, and the workpiece is located between the upper die groove and the lower die groove.
Preferably, the top of the ejector pin is in threaded connection with the inverted buckle moving insert through a pin, and the bottom of the ejector pin is in threaded connection with the limiting screw.
Preferably, the fixed die core and the movable die core are both made of high-temperature-resistant materials.
Furthermore, the fixed die core and the movable die core are made of high-temperature-resistant materials, and the high-temperature-resistant effect can be achieved on the device.
Compared with the prior art, the demoulding mechanism of the moving die of the die provided by the utility model has the following beneficial effects:
the utility model provides a demoulding mechanism for a moving die of a mould, which comprises the following steps of firstly taking off the peripheral part of an inverted buckle to reserve a space, then reserving a certain deformation amount for the inverted buckle part, and then demoulding.
Drawings
FIG. 1 is a schematic view of a workpiece according to the present invention;
FIG. 2 is a sectional view of a movable mold stripping mechanism of the mold according to the present invention in a closed state;
FIG. 3 is a sectional view of a moving mold demolding mechanism of the present invention in an open state;
FIG. 4 is a schematic structural diagram of a movable platen according to the present invention;
FIG. 5 is a schematic diagram of the workpiece in a passive mold ejection state according to the present invention;
reference numerals: 1. a workpiece; 2. a base plate; 3. fixing a template; 4. moving the template; 5. a limiting screw; 6. a spring; 7. a back-off groove; 8. fixing a mold core; 9. a movable mould core; 10. a pin; 11. a back-off motion insert; 12. and (4) a thimble.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; specifically, FIG. 1 is a schematic diagram of a workpiece according to the present invention; FIG. 2 is a sectional view of a movable mold stripping mechanism of the mold according to the present invention in a closed state; FIG. 3 is a sectional view of a moving mold demolding mechanism of the present invention in an open state; FIG. 4 is a schematic structural diagram of a movable platen according to the present invention; FIG. 5 is a schematic structural diagram of a state in which a workpiece is ejected by the movable mold according to the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
In the specific implementation process, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a mold moving die demolding mechanism comprises a fixed die plate 3, a moving die plate 4 and a workpiece 1, wherein a fixed die core 8 is arranged at the bottom of the fixed die plate 3; the top of the movable template 4 is provided with a movable mold core 9, the bottom of the movable template 4 is provided with a bottom plate 2, the workpiece 1 is positioned between a fixed mold core 8 and the movable mold core 9, the inside of the movable template 4 is provided with an ejection mechanism, the movable mold core 9 is also provided with an inverted moving insert 11, and the inverted moving insert 11 is positioned in an inverted groove 7 formed in the movable mold core 9; the ejection mechanism comprises a thimble 12, a limit screw 5 and a spring 6, the thimble 12 is positioned in the movable mould plate 4, wherein the top of the thimble 12 is connected to the inverted moving insert 11, the bottom of the thimble 12 is connected with the limit screw 5, and the spring 6 is sleeved on the outer side of the limit screw 5.
In the specific implementation process, as shown in fig. 2, 3, 4 and 5, an upper mold groove suitable for the workpiece 1 is formed at the bottom of the cavity insert 8, a lower mold groove suitable for the workpiece 1 is formed at the top of the cavity insert 9 and the top of the undercut moving insert 11, and the workpiece 1 is located between the upper mold groove and the lower mold groove.
In the specific implementation process, as shown in fig. 2, 3, 4 and 5, the top of the thimble 12 is in threaded connection with the inverted moving insert 11 through a pin 10, and the bottom of the thimble 12 is in threaded connection with the limit screw 5.
In the specific implementation process, as shown in fig. 2, 3, 4 and 5, the fixed mold core 8 and the movable mold core 9 are made of high temperature resistant materials.
The working principle of the demoulding mechanism of the moving die of the mould is as follows: when the die is used, the movable die core 9 is fixed on the top of the movable die plate 4 through an inner hexagonal screw, the inverted moving insert 11 is fixed on the top of the ejector pin 12 through the pin 10, the bottom of the ejector pin 12 is fixed with the limiting screw 5, and a certain gap is left between the limiting screw 5 and the bottom of the bottom plate 2, wherein the gap is the movable distance of the inverted moving insert 11 when the workpiece 1 is ejected (as shown in fig. 2 and 3);
after the workpiece 1 is molded, opening the die, enabling the workpiece 1 to move away from the fixed die along with the movable die core 9 (as shown in the attached drawing 3), enabling the die to be in the state shown in the attached drawing 3 after the die is opened, enabling the product to be ejected at the moment, enabling the ejector rod 12 to move under the action of the spring 6 when the ejection is started, but stopping the movement when the countersunk head of the limiting screw 5 touches the bottom plate 2 (as shown in the attached drawing 4) because the ejector rod 12 and the limiting screw 5 are fixed together, and stopping the movement of the ejector rod 12 at the moment;
at this time, only the undercut part of the workpiece 1 is still in the undercut moving insert 7, and other shapes of the workpiece 1 are completely separated from the movable mold, that is, a gap is formed between the workpiece 1 and the movable mold core 9 except the undercut part, that is, sufficient deformation space is formed around the workpiece 1 to ensure that the undercut part is smoothly demolded (as shown in fig. 4), at this time, the ejection mechanism continues to work, and when the workpiece 1 is continuously ejected, the shape of the undercut part starts to deform through the gap space generated between the movable mold core 9 and the workpiece 1, so that the undercut moving insert 11 is ejected until the ejection action is completely finished (as shown in fig. 5).
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a mould movable mould demoulding mechanism, includes fixed die plate (3), movable mould board (4) and work piece (1), its characterized in that: a fixed die core (8) is arranged at the bottom of the fixed die plate (3);
a movable mold core (9) is arranged at the top of the movable mold plate (4), a bottom plate (2) is arranged at the bottom of the movable mold plate (4), the workpiece (1) is positioned between the fixed mold core (8) and the movable mold core (9), an ejection mechanism is arranged inside the movable mold plate (4), a back-off moving insert (11) is further arranged on the movable mold core (9), and the back-off moving insert (11) is positioned in a back-off groove (7) formed in the movable mold core (9);
the ejection mechanism comprises an ejector pin (12), a limiting screw (5) and a spring (6), wherein the ejector pin (12) is located inside the movable template (4), the top of the ejector pin (12) is connected to the inverted moving insert (11), the bottom of the ejector pin (12) is connected with the limiting screw (5), and the spring (6) is sleeved on the outer side of the limiting screw (5).
2. The mold moving die demolding mechanism as claimed in claim 1, wherein: an upper die cavity suitable for the workpiece (1) is formed in the bottom of the fixed die core (8), a lower die cavity suitable for the workpiece (1) is formed in the top of the movable die core (9) and the top of the inverted moving insert (11), and the workpiece (1) is located between the upper die cavity and the lower die cavity.
3. The mold moving die demolding mechanism as claimed in claim 1, wherein: the top of the thimble (12) is in threaded connection with the inverted moving insert (11) through a pin (10), and the bottom of the thimble (12) is in threaded connection with the limiting screw (5).
4. The mold moving die demolding mechanism as claimed in claim 1, wherein: the fixed die core (8) and the movable die core (9) are both made of high-temperature resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122134673.4U CN215791528U (en) | 2021-09-06 | 2021-09-06 | Mould movable mould demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122134673.4U CN215791528U (en) | 2021-09-06 | 2021-09-06 | Mould movable mould demoulding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215791528U true CN215791528U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122134673.4U Active CN215791528U (en) | 2021-09-06 | 2021-09-06 | Mould movable mould demoulding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215791528U (en) |
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2021
- 2021-09-06 CN CN202122134673.4U patent/CN215791528U/en active Active
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