CN214026932U - Demoulding mechanism of full-circle mould - Google Patents
Demoulding mechanism of full-circle mould Download PDFInfo
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- CN214026932U CN214026932U CN202022835621.5U CN202022835621U CN214026932U CN 214026932 U CN214026932 U CN 214026932U CN 202022835621 U CN202022835621 U CN 202022835621U CN 214026932 U CN214026932 U CN 214026932U
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Abstract
The utility model discloses a whole circle type mould demoulding mechanism, shovel machine and sliding block set spare including sliding connection, sliding block set spare's bottom sets up on the cushion, shovel machine passes by the actuating mechanism drive the cushion stretches into sliding block set spare's inside, just shovel machine's diameter reduces from inside to outside gradually, sliding block set spare comprises first slider and the second slider that a set of interval set up, first slider and second slider with contained angle between the axis of shovel machine is inconsistent, through shovel machine's removal is realized separation between first slider and the second slider. The beneficial effects of the utility model are mainly embodied in that: the two sets of sliding blocks are arranged, the shovel machine is moved, so that the first sliding block and the second sliding block can be matched with each other to form the side wall of the injection molding cavity for product injection molding, the first sliding block and the second sliding block can synchronously contract inwards and are separated from injection molding products, the purpose of rapid demolding is achieved, demolding space is greatly saved, demolding flow is optimized, and demolding efficiency is improved.
Description
Technical Field
The utility model relates to a mould drawing of patterns equipment technical field specifically relates to a whole circle type mould demoulding mechanism.
Background
After the injection mold performs injection molding on the plastic product, demolding is required. In the injection molding of many products, the inverted buckle form is often adopted for the convenience of demolding and injection molding, but the structure needs a larger demolding space. Particularly, in the case of the full-circle type back-off injection mold with a threaded cavity, the demolding cannot be directly performed in a core-pulling manner, the groove edge of the back-off groove is easily broken, or the core pulling of the mold is abraded, so that the shape of a product subjected to next injection molding is subjected to error.
In current processing mould, often need great drawing of patterns space for the harmless drawing of patterns, increased equipment cost on the one hand, on the other hand causes equipment volume too big, is unfavorable for the promotion of machining efficiency.
Therefore, it is a problem that needs to be solved if the core-pulling and demolding of the injection-molded product having the form of a complete circle can be performed quickly and without damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects existing in the prior art and providing a full circle type mould demoulding mechanism.
The purpose of the utility model is realized through the following technical scheme:
the demoulding mechanism of the full-circle mould comprises a shovel machine and a sliding block component, wherein the bottom of the sliding block component is arranged on a cushion block, the shovel machine is driven by a driving mechanism to penetrate through the cushion block and extend into the interior of the sliding block assembly, the diameter of the shovel machine is gradually reduced from inside to outside, the sliding block assembly consists of a group of first sliding blocks and second sliding blocks which are arranged at intervals, and the first slide block and the second slide block are respectively connected with the outer wall of the shovel machine in a sliding way, the included angle alpha between the first slide block and the axis of the shovel machine is at least two times larger than the included angle beta between the second slide block and the axis of the shovel machine, the first sliding block, the second sliding block and the shovel machine are tightly attached to form a whole, the front ends of the first sliding block and the second sliding block are positioned on the same plane, and the outer walls of the first sliding block and the second sliding block are connected in pairs to form an outer side wall with a complete outer contour; in the second state, the front end of the shovel machine is lower than the front end of the second sliding block, the front end of the second sliding block is lower than the front end of the first sliding block, the first sliding block and the second sliding block are inclined inwards and contract, and a gap is formed between the outer walls of the first sliding block and the second sliding block.
Preferably, each first sliding block and each second sliding block are connected with the outer wall of the shovel through dovetail grooves in a sliding mode.
Preferably, the cross section of the shovel machine is a regular hexagon, the slide block assembly is provided with three first slide blocks and three second slide blocks, and each first slide block and each second slide block are arranged on one outer side face of the shovel machine in a spaced sliding mode.
Preferably, in the first state, the first sliding block, the second sliding block and the shovel machine are tightly attached to form the whole body in a circular truncated cone shape, and the cross section of the outer side wall is circular.
Preferably, the outer walls of the first sliding block and the second sliding block are provided with threaded parts, and when the first sliding block and the second sliding block are in the first state, the threaded parts on the outer walls of the first sliding block and the second sliding block are connected in pairs to form continuous and complete external threads.
Preferably, a first convex part is arranged at the bottom of each first sliding block along the outer wall of the first sliding block, and the first convex part is abutted to the upper surface of the cushion block.
Preferably, a second convex portion is arranged at the bottom of each second sliding block along the outer wall of the second sliding block, a concave portion matched with the second convex portion is arranged on the cushion block, and the width of the second convex portion is smaller than that of the concave portion and does not protrude out of the upper surface of the cushion block.
Preferably, the corners of the cushion block are provided with through holes for arranging fastening bolts.
Preferably, the front end of the driving mechanism is fixedly connected with the shovel machine, and the tail end of the driving mechanism is fixedly provided with a T-shaped pull rod.
Preferably, a connecting rod is arranged at the front end of the driving mechanism, and the connecting rod is coaxially and fixedly arranged inside the shovel machine.
The beneficial effects of the utility model are mainly embodied in that:
1. two groups of sliding blocks are arranged, and the first sliding block and the second sliding block can be matched with each other to form the side wall of an injection molding cavity for product injection molding by utilizing the movement of the shovel machine, can be synchronously retracted and separated from an injection molding product, so that the aim of quick demolding is fulfilled, the demolding space is greatly saved, the demolding flow is optimized, and the demolding efficiency is improved;
2. the structure of the combination of the first sliding block and the second sliding block has a great application range, and the outer walls of the first sliding block and the second sliding block can be combined to form the cavity wall in any whole circle shape, such as a circle, a square and the like, so that the utility model can be suitable for injection products in various shapes and injection products with thread and other inverted structures with special structures;
3. the shovel machine is in sliding connection with the sliding block assembly through the dovetail groove, and the stability of the sliding connection between the shovel machine and the sliding block assembly can be effectively guaranteed due to the structure of the dovetail groove;
4. compared with a common tubular structure, the T-shaped structure of the pull rod of the driving mechanism can ensure the stability of connection and fixation between the pull rod and other modules.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
FIG. 1: the embodiment of the utility model provides a section view under the use state;
FIG. 2: the utility model discloses a perspective view of an embodiment;
FIG. 3: the embodiment of the utility model provides a sectional view;
FIG. 4: the embodiment of the utility model provides an in first slider with contained angle alpha between the axis of shovel machine and second slider with the schematic diagram of contained angle beta between the axis of shovel machine.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.
In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.
As shown in fig. 1 to 4, the utility model discloses a mold stripping mechanism for a full circle mold, which comprises a shovel machine 1 and a slider component, wherein the bottom of the slider component is arranged on a cushion block 5, the shovel machine 1 is driven by a driving mechanism 7 to pass through the cushion block 5 and extend into the slider component, the diameter of the shovel machine 1 is gradually reduced from inside to outside, the slider component is composed of a group of first slider 2 and second slider 3 which are arranged at intervals, the first slider 2 and the second slider 3 are respectively connected with the outer wall of the shovel machine 1 in a sliding manner, the included angle α between the first slider 2 and the axis of the shovel machine 1 is at least larger than twice of the included angle β between the second slider 3 and the axis of the shovel machine 1, in a first state, the first slider 2, the second slider 3 and the shovel machine 1 are tightly jointed to form a whole, and the front ends of the three are positioned on the same plane, the outer walls of the first sliding block 2 and the second sliding block 3 are connected in pairs to form an outer side wall 6 with a complete outer contour; in the second state, the front end of the shovel machine 1 is lower than the front end of the second slide block 3, the front end of the second slide block 3 is lower than the front end of the first slide block 2, the first slide block 2 and the second slide block 3 both incline and contract inwards, and a gap is formed between the outer walls of the first slide block and the second slide block.
As shown in fig. 2 in particular, in the preferred embodiment, each of the first slider 2 and the second slider 3 is slidably connected to the outer wall of the shovel 1 through a dovetail groove 4. The structure of the dovetail groove 4 can effectively ensure the stability of the sliding connection between the outer wall of the shovel machine 1 and the first sliding block 2 and the second sliding block 3.
Further, the cross section of the shovel machine 1 in the preferred embodiment is a regular hexagon, the slide block assembly has three first slides 2 and three second slides 3, and each first slide 2 and each second slide 3 are arranged on one of the outer side surfaces of the shovel machine 1 in a spaced sliding manner. In other possible embodiments, the cross section of the shovel machine 1 may have other suitable shapes, such as a regular quadrangle, a regular octagon, etc., and the slider assembly may also have a first slider 2 and three second sliders 3 matching the number of sides of the shovel machine 1.
In the preferred embodiment, as shown in fig. 1 to 3, in the first state, the whole body formed by the close contact among the first slider 2, the second slider 3, and the shovel machine 1 is in a circular truncated cone shape, and the cross section of the outer side wall 6 is circular. Further, the outer walls of the first sliding block 2 and the second sliding block 3 are provided with thread portions, and when the first sliding block is in the first state, the thread portions on the outer walls of the first sliding block 2 and the second sliding block 3 are connected in pairs to form continuous and complete external threads 8.
The structure of the combination of the first slider 2 and the second slider 3 has a great application range, in other possible embodiments, the whole body formed by the close fit among the first slider 2, the second slider 3 and the shovel machine 1 can have an outer contour with other shapes, and the cross section of the outer side wall 6 can be any shape which can be formed by a square shape, an oval shape and the like. The outer walls of the first sliding block 2 and the second sliding block 3 can be arranged according to the specific injection molding requirement of an injection molding product, and can not be provided with a thread part or be provided with other required shapes.
As shown in fig. 1 to 3, in order to ensure that the first slider 2 and the second slider 3 can be retracted obliquely inward, the bottom of each first slider 2 is provided with a first protrusion 201 along the outer wall thereof, and the first protrusion 201 abuts against the upper surface of the spacer 5. And a second convex part 301 is arranged at the bottom of each second sliding block 3 along the outer wall thereof, a concave part 501 matched with the second convex part 301 is arranged on the cushion block 5, and the width of the second convex part 301 is smaller than that of the concave part 501 and does not protrude out of the upper surface of the cushion block 5. The structure enables the shovel machine 1 to move backwards under the driving of the driving mechanism 7, and then the first sliding block 2 can move outwards relative to the concave part 501, so that the downward movement distance of the first sliding block 2 is larger than that of the first sliding block 2, and the shovel machine 1 can be separated from the first sliding block 2.
The utility model discloses in the preferred embodiment cushion 5 is square, for convenient fixing cushion 5, the corner of cushion 5 is provided with the through-hole 502 that is used for setting up fastening bolt. Of course, in other possible embodiments, the pad 5 may have other shapes, such as circular, oval, etc.
As shown in fig. 1 and 3, the front end of the driving mechanism 7 of the present invention is provided with a connecting rod 702, and the connecting rod 702 is coaxially and fixedly disposed inside the shovel machine 1, so as to realize the fixed connection between the driving mechanism 7 and the shovel machine 1. A T-shaped pull rod 701 is fixedly arranged at the tail end of the driving mechanism 7. In practical use, the pull rod 701 is fixedly arranged on the installation bottom plate or the lower die, and compared with a common tubular structure, the T-shaped structure of the pull rod 701 can improve the stability of connection and fixation between the pull rod 701 and other modules, so that the pull rod 701 can move up and down along with the installation bottom plate or the lower die synchronously to pull the downward movement of the driving mechanism 7, and meanwhile, the driving mechanism 7 can drive the shovel machine 1 to move up and down through the connecting rod 702. Due to the adoption of the structure, the demolding flow can be optimized to the greatest extent, so that demolding is carried out synchronously during mold opening, the separation flow is greatly optimized, and the demolding efficiency is improved.
The utility model discloses a theory of operation does:
firstly, when the shovel machine 1 moves backwards, the inner walls of the first sliding block 2 and the second sliding block 3 are separated from the outer wall of the shovel machine 1, and due to the fact that the outer wall of the shovel machine 1 is less supported, under the combined action of a structure that the diameter of the shovel machine 1 is gradually enlarged from outside to inside and a structure that the shovel machine 1 is slidably connected with the first sliding block 2 and the second sliding block 3, the first sliding block 2 and the second sliding block 3 can be retracted inwards due to the backward movement of the shovel machine 1;
secondly, since the first convex portion 201 abuts against the upper surface of the pad 5, the first slider 2 does not move backward, but since the included angle α between the first slider 2 and the axis of the shovel machine 1 is at least larger than twice the included angle β between the second slider 3 and the axis of the shovel machine 1, the angle of inward contraction of the first slider 2 is larger than that of the second slider 3, and therefore the second slider 3 moves outward in the concave portion 501 and moves downward relative to the first slider 2, and a state is formed in which the front end of the shovel machine 1 is lower than the front end of the second slider 3, and the front end of the second slider 3 is lower than the front end of the first slider 2;
finally, due to the downward movement of the second sliding block 3, the outer walls of the first sliding block 2 and the second sliding block 3 are discontinuous pairwise, and the outer side wall 6 with a complete outer contour cannot be formed, so that the outer walls of the first sliding block 2 and the second sliding block 3 are separated from the outer wall of the injection molding product, and the demolding is completed.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. Full circle type mould demoulding mechanism, its characterized in that: the shovel is characterized by comprising a shovel machine (1) and a sliding block assembly, wherein the bottom of the sliding block assembly is arranged on a cushion block (5), the shovel machine (1) is driven by a driving mechanism (7) to penetrate through the cushion block (5) and extend into the sliding block assembly, the diameter of the shovel machine (1) is gradually reduced from inside to outside, the sliding block assembly is composed of a group of first sliding blocks (2) and second sliding blocks (3) which are arranged at intervals, the first sliding blocks (2) and the second sliding blocks (3) are respectively in sliding connection with the outer wall of the shovel machine (1), an included angle alpha between the first sliding blocks (2) and the axis of the shovel machine (1) is at least larger than twice of an included angle beta between the second sliding blocks (3) and the axis of the shovel machine (1), and in a first state, the first sliding blocks (2), the second sliding blocks (3) and the shovel machine (1) are tightly attached to form a whole, the front ends of the first sliding block (2) and the second sliding block (3) are positioned on the same plane, and the outer walls of the first sliding block and the second sliding block are connected in pairs to form an outer side wall (6) with a complete outer contour; in the second state, the front end of the shovel machine (1) is lower than the front end of the second sliding block (3), the front end of the second sliding block (3) is lower than the front end of the first sliding block (2), the first sliding block (2) and the second sliding block (3) are inclined inwards and contract, and a gap is formed between the outer walls of the first sliding block and the second sliding block.
2. The full-circle mold ejection mechanism of claim 1, wherein: each first sliding block (2) and each second sliding block (3) are connected with the outer wall of the shovel machine (1) in a sliding mode through dovetail grooves (4).
3. The full-circle mold ejection mechanism of claim 1, wherein: the cross section of the shovel machine (1) is in a regular hexagon shape, the sliding block assembly is provided with three first sliding blocks (2) and three second sliding blocks (3), and each first sliding block (2) and each second sliding block (3) are arranged on one outer side face of the shovel machine (1) in a sliding mode at intervals.
4. The full-circle mold ejection mechanism of claim 1, wherein: under the first state, the first sliding block (2), the second sliding block (3) and the shovel machine (1) are tightly attached to form the whole body in a round table shape, and the cross section of the outer side wall (6) is circular.
5. The full-circle mold ejection mechanism of claim 4, wherein: the outer walls of the first sliding block (2) and the second sliding block (3) are respectively provided with a threaded part, and when the first sliding block is in a first state, the threaded parts on the outer walls of the first sliding block (2) and the second sliding block (3) are connected in pairs to form continuous and complete external threads (8).
6. The full-circle die ejection mechanism of any of claims 1-5, wherein: the bottom of each first sliding block (2) is provided with a first convex part (201) along the outer wall of the first sliding block, and the first convex part (201) is abutted to the upper surface of the cushion block (5).
7. The full-circle mold ejection mechanism of claim 6, wherein: the bottom of each second sliding block (3) is provided with a second convex part (301) along the outer wall of the second sliding block, the cushion block (5) is provided with a concave part (501) matched with the second convex part (301), and the width of the second convex part (301) is smaller than that of the concave part (501) and does not protrude out of the upper surface of the cushion block (5).
8. The full-circle mold ejection mechanism of claim 7, wherein: the corners of the cushion blocks (5) are provided with through holes (502) for arranging fastening bolts.
9. The full-circle mold ejection mechanism of claim 1, wherein: the front end of the driving mechanism (7) is fixedly connected with the shovel machine (1), and the tail end of the driving mechanism (7) is fixedly provided with a T-shaped pull rod (701).
10. The full-circle mold ejection mechanism of claim 9, wherein: the front end of the driving mechanism (7) is provided with a connecting rod (702), and the connecting rod (702) is coaxially and fixedly arranged inside the shovel machine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835621.5U CN214026932U (en) | 2020-12-01 | 2020-12-01 | Demoulding mechanism of full-circle mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022835621.5U CN214026932U (en) | 2020-12-01 | 2020-12-01 | Demoulding mechanism of full-circle mould |
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| CN214026932U true CN214026932U (en) | 2021-08-24 |
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| CN202022835621.5U Active CN214026932U (en) | 2020-12-01 | 2020-12-01 | Demoulding mechanism of full-circle mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878812A (en) * | 2021-10-22 | 2022-01-04 | 昆山优瑞全精密组件有限公司 | Inward-retracting core-pulling injection mold |
-
2020
- 2020-12-01 CN CN202022835621.5U patent/CN214026932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878812A (en) * | 2021-10-22 | 2022-01-04 | 昆山优瑞全精密组件有限公司 | Inward-retracting core-pulling injection mold |
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