CN216329794U - Mould with multi-angle back-off demoulding mechanism - Google Patents
Mould with multi-angle back-off demoulding mechanism Download PDFInfo
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- CN216329794U CN216329794U CN202121561436.XU CN202121561436U CN216329794U CN 216329794 U CN216329794 U CN 216329794U CN 202121561436 U CN202121561436 U CN 202121561436U CN 216329794 U CN216329794 U CN 216329794U
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- pulling
- slide block
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Abstract
The utility model discloses a die with a multi-angle back-off demoulding mechanism, which comprises a male die core, a plurality of core-pulling slide blocks movably arranged in the male die core, a plurality of slide block pulling plates and reversing assemblies which correspond to each other one by one, wherein the slide block pulling plates and the reversing assemblies are movably arranged in the male die core, the plurality of slide block pulling plates and the reversing assemblies correspond to a plurality of core-pulling slide blocks in the male die core one by one, the slide block pulling plates and the core-pulling slide blocks are connected with the reversing assemblies, the slide block pulling plates can move along a first straight line direction, the slide block pulling plates can drive the corresponding core-pulling slide blocks to move along a second straight line direction through the corresponding reversing assemblies, the second straight line direction is obliquely arranged relative to the first straight line direction, the rest plurality of core-pulling slide blocks can move along a third straight line direction, and the third straight line direction is arranged in parallel or vertical to the first straight line direction. The utility model can simplify the structure of the die, reduce the volume of the die and reduce the manufacturing cost of the die.
Description
Technical Field
The utility model belongs to the technical field of molds, and particularly relates to a mold with a multi-angle back-off demolding mechanism.
Background
In the existing injection mold, for molding of inverted buckles such as holes, an inverted mold is generally adopted for core pulling, namely, an inverted-buckle demolding mechanism is designed inside the mold, and the core pulling slider is driven by an inclined guide pillar to pull a core of a product by means of matching of a movable mold and a fixed mold.
Fig. 1 shows a schematic diagram of the movement of a slider in a mold provided with a multi-angle back-off demolding mechanism in the prior art, the mold has 3 sets of sliders and slider driving devices (not shown in the figure) which are circumferentially and uniformly distributed, wherein 3 sliders are demolded/ejected towards the slider assembling direction (i.e. 3 included angles are 120 degrees) respectively through the corresponding slider driving devices, which results in a complicated mold design structure, high machining precision requirement, large assembling difficulty, large mold occupation space and high manufacturing cost. What is more, when the back-off direction of the injection molding product is various and not only 3, the slide block for loosing core and the slide block driving device are also various, and if the slide block still carries out demoulding/withdrawing in the slide block assembling direction, the back-off demoulding mechanism is easy to cause interference.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a die with a multi-angle back-off demoulding mechanism, which can simplify the structure of the die.
In order to solve the technical problem, the utility model provides a mold with a multi-angle back-off demolding mechanism, which comprises a male mold core, a plurality of core-pulling slide blocks movably arranged in the male mold core, a plurality of slide block pull plates and reversing components which correspond to each other one by one, the slide block pulling plate and the reversing component are movably arranged in the core insert, a plurality of pairs of the slide block pulling plate and the reversing component correspond to a plurality of the core-pulling slide blocks one by one, the slide block pulling plate and the core-pulling slide block are both connected with the reversing component, the slide block pulling plate can move along a first linear direction, the slide block pulling plate can drive the corresponding core pulling slide block to move along a second linear direction through the corresponding reversing component, the second linear direction is obliquely arranged relative to the first linear direction, the other core-pulling sliding blocks can move along a third linear direction, and the third linear direction is parallel to or perpendicular to the first linear direction.
By adopting the technical scheme, the slide blocks can be driven to move along the second linear direction by the slide block pulling plate moving along the first linear direction, namely the movement direction of the slide blocks is converted, and the movement directions of the slide blocks are parallel or vertical, so that the structure of the die can be greatly simplified, and the size of the die can be reduced.
Furthermore, the switching-over subassembly includes the pin, be equipped with the slider arm-tie guide way on the slider arm-tie, the slider arm-tie guide way is relative first straight line direction and the equal slope setting of second straight line direction, the one end fixed mounting of pin is in loose core on the slider and the other end extends into in the slider arm-tie guide way, can further simplify the mould structure like this, improve mould assembly efficiency, reduce the mould volume and reduce the mould cost of manufacture.
Furthermore, the male die core is provided with a plurality of sliding block mounting grooves matched with the core-pulling sliding blocks and a plurality of sliding block pulling plate mounting grooves matched with the sliding block pulling plates, and the sliding block pulling plate mounting grooves are communicated with the sliding block mounting grooves.
Furthermore, the core insert is also provided with a plurality of die cavities which are communicated with the slide block mounting groove.
Further, the male die core is provided with two die cavities, six slider mounting grooves and four slider pull plate mounting grooves, the number of the slider mounting grooves is three, the slider mounting grooves are communicated with one of the die cavities, the number of the slider pull plate mounting grooves is four, the slider mounting grooves are symmetrically arranged on two sides of the male die core in pairs, the other two slider mounting grooves are symmetrically arranged at two ends of the male die core, the four slider pull plate mounting grooves are internally and slidably provided with slider pull plates capable of moving along a first straight line direction or a direction opposite to the first straight line direction, the four slider pull plate mounting grooves are in one-to-one correspondence with the four slider pull plate mounting grooves are internally and slidably provided with core-pulling sliders capable of moving along a second straight line direction or a direction symmetrical to the second straight line direction, and the other two slider mounting grooves are internally and slidably provided with core-pulling sliders capable of moving along a third straight line direction or a third straight line direction The line direction opposite direction motion loose core slider, the third rectilinear direction is relative first rectilinear direction sets up perpendicularly, can mould plastics two products simultaneously on one set of mould like this, can improve the efficiency of moulding plastics.
Furthermore, the die also comprises two driving components, wherein one driving component is fixedly connected with the two slide block pulling plates arranged in the same side of the core insert, so that the structure of the die can be further simplified, and the volume of the die is reduced.
Compared with the prior art, the utility model has the beneficial effects that: simplify mould overall structure, improve mould assembly efficiency, promote injection efficiency, reduce the mould volume and reduce mould cost of manufacture.
Drawings
FIG. 1 is a schematic diagram showing the movement of a slide block in a mold provided with a multi-angle back-off demolding mechanism in the prior art;
FIG. 2 is a schematic diagram showing the overall structure of a mold provided with a multi-angle back-off demolding mechanism according to the present invention;
FIG. 3 is a sectional view of a mold provided with a multi-angle back-off demolding mechanism of the present invention;
FIG. 4 is an exploded view of the moving direction of a slide pulling plate in a mold provided with a multi-angle reverse-buckling demolding mechanism according to the present invention;
FIG. 5 is a schematic view of an unopened state of a mold with a multi-angle undercut demolding mechanism according to the present invention;
FIG. 6 is a schematic view showing an opened state of a mold provided with a multi-angle undercut demolding mechanism according to the present invention;
FIG. 7 is a schematic structural diagram of a slide block pulling plate and a slide block in a mold provided with a multi-angle back-off demolding mechanism according to the utility model.
The reference numbers in the figures illustrate: 10-male die core, 101-slide block pulling plate installation groove, 102-slide block installation groove, 103-die cavity, 20-slide block pulling plate, 201-slide block pulling plate guide groove, 30-pin, 40-core pulling slide block and 50-injection molding product.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2 to 7, the present invention provides a mold with a multi-angle back-off demolding mechanism, which comprises a core insert 10, a slide pulling plate 20, a reversing assembly, a core-pulling slide 40 and a driving assembly (not shown). The slide block pulling plate 20, the reversing assembly and the core-pulling slide block 40 are all installed in the core insert 10, and the driving assembly is installed outside the core insert 10.
Specifically, the mold includes a core insert 10, six core-pulling sliders 40 slidably mounted in the core insert 10, four slider pulling plates 20 slidably mounted in the core insert 10, four reversing assemblies movably mounted in the core insert 10, and two driving assemblies fixedly mounted outside the core insert 10.
The reversing assembly comprises a pin 30, one end of the pin 30 is fixedly mounted on the core-pulling slide block 40, and the other end of the pin 30 is movably connected with the slide block pulling plate 20 so as to drive the core-pulling slide block 40 to move through the slide block pulling plate 20.
Next, the core insert 10 is provided with two cavities 103, six slide block mounting grooves 102, and four slide block pulling plate mounting grooves 101. The two mold cavities 103 for molding the injection product 50 are symmetrically arranged in the middle of the core insert 10, the three slide block mounting grooves 102 are communicated with one mold cavity 103, the four slide block pulling plate mounting grooves 101 are in one-to-one correspondence with the four slide block mounting grooves 102 and are communicated with the four slide block pulling plate mounting grooves 102, and the rest two slide block mounting grooves 102 are arranged oppositely. Further, the four slider pulling plate installation grooves 101 and four of the slider installation grooves 102 are respectively disposed on two sides of the core insert 10 in a pairwise symmetric manner, and the other two slider installation grooves 102 are symmetrically disposed on two ends of the core insert 10, i.e., the core insert 10 is integrally disposed in an axially symmetric structure. In this embodiment, three of the slider mounting grooves 102 are circumferentially and uniformly distributed on the periphery of one of the mold cavities 103, that is, an included angle between the three slider mounting grooves 102 is 120 °, one of the slider mounting grooves 102 is located in the Y-axis direction or the-Y-axis direction of the core insert 10, and included angles between the other two slider mounting grooves 102 and the X-axis direction or the-X-axis direction of the core insert 10 are 30 °; meanwhile, two slide block pulling plate installation grooves 101 are symmetrically arranged on the periphery of one of the mold cavities 103 and are positioned in the X-axis direction or the-X-axis direction of the core insert 10.
Thirdly, core-pulling sliders 40 are respectively slidably mounted in the six slider mounting grooves 102, one end of each core-pulling slider 40 can extend into the mold cavity 103, the other end of each core-pulling slider can extend into the slider pulling plate mounting groove 101, and a pin hole (not shown) matched with the pin 30 is formed in one end, close to the slider pulling plate mounting groove 101, of each core-pulling slider 40, so that the pin 30 is fixedly mounted on the core-pulling slider 40; meanwhile, four of the core pulling sliders 40 can move along a second linear direction or a direction symmetrical to the second linear direction, and the other two core pulling sliders 40 can move along a third linear direction or a direction opposite to the third linear direction. In this embodiment, two of the core back sliders 40 may move in a direction forming an angle of 30 ° with the X-axis direction of the core insert 10, two of the core back sliders 40 may move in a direction forming an angle of 30 ° with the-X-axis direction of the core insert 10, and the remaining two core back sliders 40 may move in the Y-axis direction or the-Y-axis direction of the core insert 10.
Finally, the four slider pulling plate installation grooves 101 are respectively provided with a slider pulling plate 20 in a sliding way, and the four slider pulling plates 20 can move along a first linear direction or a direction opposite to the first linear direction; meanwhile, a slider pulling plate guide groove 201 is formed in one end of the slider pulling plate 20, which is close to the core-pulling slider 40, the slider pulling plate guide groove 201 is inclined with respect to both the first linear direction and the second linear direction, the pin 30 fixedly mounted on the core-pulling slider 40 can extend into the slider pulling plate guide groove 201, and the pin 30 can slide along the slider pulling plate guide groove 201. In this embodiment, two of the slide pulling plates 20 can move along the X-axis direction of the core insert 10, and the other two slide pulling plates 20 can move along the-X-axis direction of the core insert 10. Further, the two driving assemblies are symmetrically arranged on two sides of the core insert 10, one of the driving assemblies can be fixedly connected with the two slide block pulling plates 20 arranged in the same side of the core insert 10, so that after the injection molding is completed, the driving assemblies can drive the slide block pulling plates 20 to slide outwards, and meanwhile, the slide block pulling plates 20 can drive the core-pulling slide block 40 to slide outwards by a distance H through the pins 30, so that the core-pulling slide block 40 is withdrawn from the injection product 50 in the mold cavity 103, and then the core insert and the female mold are opened and the injection product is ejected through an ejection mechanism in the mold.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a mould with multi-angle back-off demoulding mechanism, includes that core pulling slider (40) in core insert (10), its characterized in that are installed with a plurality of activity to core insert (10): the core pulling die further comprises a plurality of pairs of sliding block pulling plates (20) and reversing components which are in one-to-one correspondence, the sliding block pulling plates (20) and the reversing components are movably arranged in the core insert (10), the plurality of pairs of sliding block pulling plates (20) and the reversing components are in one-to-one correspondence with a plurality of core pulling sliding blocks (40), the slide block pulling plate (20) and the core-pulling slide block (40) are both connected with the reversing component, the slide block pulling plate (20) can move along a first straight line direction, the slide block pulling plate (20) can drive the corresponding core-pulling slide block (40) to move along a second straight line direction through the corresponding reversing component, the second straight line direction is obliquely arranged relative to the first straight line direction, the other core-pulling sliding blocks (40) can move along a third linear direction, and the third linear direction is parallel to or perpendicular to the first linear direction.
2. The mold provided with the multi-angle back-off demolding mechanism as claimed in claim 1, wherein: the reversing assembly comprises a pin (30), a slider pull plate guide groove (201) is formed in the slider pull plate (20), the slider pull plate guide groove (201) is opposite to the first straight line direction and the second straight line direction which are inclined, one end of the pin (30) is fixedly installed on the core-pulling slider (40), and the other end of the pin extends into the slider pull plate guide groove (201).
3. The mold provided with the multi-angle back-off demolding mechanism as claimed in claim 2, wherein: the core insert is characterized in that the core insert (10) is provided with a plurality of slider mounting grooves (102) matched with the core-pulling sliders (40) and a plurality of slider pulling plate mounting grooves (101) matched with the slider pulling plates (20), and the slider pulling plate mounting grooves (101) are communicated with the slider mounting grooves (102).
4. The mold provided with the multi-angle back-off demolding mechanism as claimed in claim 3, wherein: the male die core (10) is further provided with a plurality of die cavities (103), and the die cavities (103) are communicated with the sliding block mounting grooves (102).
5. The mold provided with the multi-angle back-off demolding mechanism according to claim 4, wherein: be equipped with two on public mould benevolence (10) die cavity (103), six slider mounting groove (102) and four slider arm-tie mounting groove (101), wherein three slider mounting groove (102) and one of them die cavity (103) intercommunication sets up, four slider arm-tie mounting groove (101) and four of them slider mounting groove (102) two bisymmetry ground respectively set up in the both sides of public mould benevolence (10), all the other two slider mounting groove (102) set up symmetrically the both ends of public mould benevolence (10), four all install with sliding in slider arm-tie mounting groove (101) can follow first linear direction or the direction motion opposite with first linear direction slider arm-tie (20), four of one-to-one slider arm-tie mounting groove (101) wherein four all install with sliding in slider mounting groove (102) can follow the second linear direction or the direction symmetrical direction motion with second linear direction the place The core-pulling sliding blocks (40) capable of moving along a third linear direction or a direction opposite to the third linear direction are arranged in the rest two sliding block mounting grooves (102) in a sliding mode, and the third linear direction is perpendicular to the first linear direction.
6. The mold provided with the multi-angle back-off demolding mechanism according to claim 5, wherein: the die core is characterized by further comprising two driving assemblies, wherein one driving assembly is fixedly connected with the two sliding block pulling plates (20) arranged in the same side of the core insert (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121561436.XU CN216329794U (en) | 2021-07-09 | 2021-07-09 | Mould with multi-angle back-off demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121561436.XU CN216329794U (en) | 2021-07-09 | 2021-07-09 | Mould with multi-angle back-off demoulding mechanism |
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| Publication Number | Publication Date |
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| CN216329794U true CN216329794U (en) | 2022-04-19 |
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| CN202121561436.XU Active CN216329794U (en) | 2021-07-09 | 2021-07-09 | Mould with multi-angle back-off demoulding mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230092A (en) * | 2022-07-07 | 2022-10-25 | 宁波青山青汽车部件有限公司 | Injection mold of plaque in engine |
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2021
- 2021-07-09 CN CN202121561436.XU patent/CN216329794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230092A (en) * | 2022-07-07 | 2022-10-25 | 宁波青山青汽车部件有限公司 | Injection mold of plaque in engine |
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