CN210190458U - Bidirectional inclined ejection demolding mechanism and injection mold thereof - Google Patents
Bidirectional inclined ejection demolding mechanism and injection mold thereof Download PDFInfo
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- CN210190458U CN210190458U CN201920604242.XU CN201920604242U CN210190458U CN 210190458 U CN210190458 U CN 210190458U CN 201920604242 U CN201920604242 U CN 201920604242U CN 210190458 U CN210190458 U CN 210190458U
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Abstract
The utility model relates to a two-way ejection of compact automatic demoulding mechanism and contain injection mold of this mechanism to one side, among the current injection mold, ejection of compact mechanism can only the left-hand thread move along the horizontal direction relatively usually, realizes the product drawing of patterns. Under the condition that the interior of the product has an inclination angle, the inclined top is easy to interfere with the product in the movement process. In the product demoulding process, in order to ensure that the product is ejected out by the inclined ejector, the product is not interfered while smooth demoulding is ensured, and the inclined ejector mechanism needs to keep a movement path which is basically parallel to the inner surface of the product. The utility model provides an automatic demoulding mechanism of modified two-way oblique top and contain injection mold of this mechanism have been made at oblique footstock position, and when can guaranteeing the injection moulding product drawing of patterns, the mechanism is pushed up along level and two vertical direction motions to one side, pushes up the mechanism along the mode motion parallel with the product internal surface inclination promptly to one side, realizes not only letting the smooth drawing of patterns of product but also the effect of noninterference product.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to a two-way oblique top automatic demoulding mechanism and contain injection mold of this mechanism.
Background
The injection mold is generally used for smoothly demolding an injection product in a mode of an inclined ejection mechanism under the condition that the product has an inverted buckle. In the existing injection mold, the inclined ejection mechanism can only move along the horizontal direction relative to the product back-off, so that a gap between the inclined ejection mechanism and the product back-off is formed, and the effect of smoothly demolding the product is realized. According to the particularity of the product, for example, in the field of injection molds for automobile rearview mirror shells, the inner surface of the injection molded product has an inclination angle, and the inclined ejection mechanism only moves relative to the reverse buckle along the horizontal direction and can interfere with the injection molded product. In order to ensure that the lifter does not interfere with the product while ejecting the product out of the mold smoothly, the lifter mechanism needs to keep a movement path which is basically parallel to the inner surface of the product during the process of ejecting the injection-molded product, specifically, the lifter needs to move in two directions of horizontal and vertical relative to the back-off of the product, but the lifter in the existing injection mold can not realize the function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic demoulding mechanism of two-way oblique top of modified has been made at oblique footstock position, can guarantee to push up at ejecting injection moulding product to one side, when making the smooth drawing of patterns of injection moulding product, along the mode motion parallel with the internal surface of product, noninterference product.
The specific technical scheme is as follows:
the utility model provides a two-way oblique top demoulding mechanism (27), including oblique top seat (271), universal piece (272), fixed block (273), oblique top (274), set up oblique top seat groove (275) on oblique top seat (271), oblique top (274) are connected with fixed block (273), fixed block (273) are connected with universal piece (272), fixed block (273) slide in oblique top seat groove (275), fixed block (273) adopt middle round hole with universal piece (272) to be connected, fixed block (273) are along oblique top seat groove (275) slip direction and the big 2 ~ 3 degrees of tangent plane contained angle of horizontal plane and injection moulding product lower surface tangent plane with horizontal plane contained angle.
As a preferable technical scheme, the fixed block (273) is connected with the universal block (272) by a middle round hole.
Preferably, the universal block (272) is made of a material softer than the fixed block (273) and the inclined top seat (271).
Preferably, the universal block (272) is made of beryllium copper, and the fixed block (273) and the inclined top seat (271) are made of steel.
As a preferable technical scheme, the inclined top (274) and the fixed block (273) are fixedly connected through screws.
Another object of the utility model is to provide an injection mold who contains two-way oblique top automatic demoulding mechanism, this injection mold can guarantee that the smooth drawing of patterns of product and internal surface are not interfered by injection mold's oblique top mechanism.
The specific technical scheme is as follows:
the injection mold with the bidirectional pitched roof demolding mechanism (27) comprises a fixed mold (1) and a movable mold (2), wherein the fixed mold (1) and the movable mold (2) are matched with the bidirectional pitched roof demolding mechanism (27).
As a preferred technical scheme, the movable mold (2) comprises a lower mold plate (21), a lower mold core (22), an ejection panel (23), an ejection bottom plate (24), a lower mold fixing plate (25), mold feet (26) and a mold core cavity (29), the lower mold core (22) is connected with the lower mold plate (21), the lower mold plate (21) is connected with the mold feet (26), the mold feet (26) are connected with the lower mold fixing plate (25), the ejection panel (23) is connected with the ejection bottom plate (24), the ejection bottom plate (24) is connected with the lower mold fixing plate (25), a bidirectional inclined ejection demolding mechanism (27) is connected with the ejection bottom plate (24), the fixed mold (1) comprises an upper mold plate (11), an upper mold core (12) and an upper mold fixing plate (13), the upper mold plate (11) is connected with the upper mold fixing plate (13), and the upper mold fixing plate (13) is connected with the upper mold.
As a preferable technical scheme, the bidirectional inclined top demoulding mechanism (27) is connected with the ejection bottom plate (24) by bolts.
As a preferable technical scheme, the ejecting bottom plate (24) is connected with the ejecting face plate (23) by bolts.
As a preferred technical scheme, the lower template (21) is connected with the lower die core (22) through bolts.
As a preferred technical scheme, the upper die core (12) and the upper die fixing plate (13) are connected by bolts.
Compare in current technical scheme, this utility model has following advantage:
(1) the bidirectional inclined ejection demolding mechanism ejects the injection molding product, enables the injection molding product to be smoothly demolded, and can move in a mode parallel to the inner surface of the product without interfering the product. During normal operation of the injection mold with the bidirectional inclined-top demolding mechanism, the movement path of the inclined top (274) can be decomposed into upward movement along the axial direction of the inclined top (274) and downward sliding along the inclined top seat groove (275). Therefore, the inclined top (274) ejects the injection product (28) upwards, the inclined top (274) slides downwards along the inner groove of the inclined top seat (271) while the injection product (28) is smoothly demoulded, and the effect of not interfering the injection product (28) when the injection product (28) is ejected is achieved.
(2) The bidirectional inclined ejection demoulding mechanism hardly causes the phenomena of blocking and burning in the process of ejecting the injection moulding product. In order to realize avoiding the oblique top appear the card die and burn the phenomenon dead in ejecting in-process, the utility model discloses improved in the material selection of part connected mode and part. In the component connection mode, a mode that a fixed block (273) is connected with a universal block (272) through a middle round hole is adopted, the fixed block (273) can freely rotate 360 degrees along a perpendicular line of the universal block (272) passing through the center of the middle round hole, and the problems of clamping and burning of an inclined top can be avoided by improving the angle of fit errors between each component in machining; in the aspect of material selection of parts, the universal block (272) is made of a material with lower hardness than that of a fixed block (273) and an inclined top seat (271), and the universal block (272) is softer than that of the fixed block (273) and the inclined top seat (271), the universal block (272) can be made of beryllium copper, the fixed block (273) and the inclined top seat (271) are made of steel, and the universal block (272) and the fixed block (273) and the inclined top seat (271) matched with the universal block are prevented from being clamped or burnt by the same or similar hardness, so that the phenomenon that the inclined top is clamped or burnt during ejection is avoided.
(3) When the injection mold with the bidirectional pitched roof demolding mechanism normally operates and enters a demolding stage, smooth demolding of the product can be guaranteed, and the inner surface of the injection mold is not interfered by the pitched roof mechanism of the injection mold.
Drawings
Fig. 1 is a perspective view of a bidirectional lifter demolding mechanism and a product.
Fig. 2 is a schematic front view of a bi-directional pitched roof stripper mechanism and product.
Fig. 3 is a perspective view of the base part of the bidirectional lifter demolding mechanism.
FIG. 4 is a schematic perspective view of a stationary mold of an injection mold.
FIG. 5 is a perspective view of a movable mold of the injection mold.
Fig. 6 is a schematic longitudinal sectional view of an injection mold in front view.
The reference numerals and components referred to in the drawings are as follows:
the mould comprises a fixed mould (1), an upper mould plate (11), an upper mould core (12), an upper mould fixing plate (13), a movable mould (2), a lower mould plate (21), a lower mould core (22), an ejection panel (23), an ejection bottom plate (24), a lower mould fixing plate (25), mould feet (26), an inclined ejection mechanism (27), an injection moulding product (28), a product back-off (281), a mould core cavity (29), an inclined ejection seat (271), a universal block (272), a fixing block (273), an inclined ejection (274), an inclined ejection seat groove (275)
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
As shown in fig. 1, 2 and 3, the bidirectional pitched roof demolding mechanism (27) comprises a pitched roof seat (271), a universal block (272), a fixed block (273) and a pitched roof (274), wherein a pitched roof seat groove (275) is formed in the pitched roof seat (271), the pitched roof (274) is fixedly connected with the fixed block (273) through a bolt, the fixed block (273) is connected with the universal block (272) through a middle round hole, the fixed block (273) slides in the pitched roof seat groove (275), and the included angle between the sliding direction of the fixed block (273) along the pitched roof seat groove (275) and the horizontal plane is 2-3 degrees larger than the included angle between the tangent plane of the lower surface of an injection molding product and the tangent plane of the horizontal plane; a fixed block (273) and a universal block (272); the universal block (272) is made of a material which is softer than the fixed block (273) and the inclined top seat (271), specifically, the universal block (272) is made of beryllium copper, and the fixed block (273) and the inclined top seat (271) are made of steel.
As shown in fig. 4, 5 and 6, the injection mold with the bidirectional lifter demolding mechanism further comprises a fixed mold (1) and a movable mold (2), wherein the fixed mold (1) and the movable mold (2) are matched with the bidirectional lifter demolding mechanism (27). The movable mould (2) comprises a lower mould plate (21), a lower mould core (22), an ejection panel (23), an ejection bottom plate (24), a lower mould fixing plate (25), mould feet (26) and a mould core cavity (29), wherein the lower mould core (22) is in bolted connection with the lower mould plate (21), the lower mould plate (21) is in bolted connection with the mould feet (26), the mould feet (26) are in bolted connection with the lower mould fixing plate (25), the ejection panel (23) is in bolted connection with the ejection bottom plate (24), the ejection bottom plate (24) is in bolted connection with the lower mould fixing plate (25), and the bidirectional inclined ejection demoulding mechanism (27) is in bolted connection with the ejection bottom plate (24). The fixed die (1) comprises an upper die plate (11), an upper die core (12) and an upper die fixing plate (13), the upper die plate (11) is connected with the upper die fixing plate (13) through bolts, and the upper die fixing plate (13) is connected with the upper die core (12) through bolts.
When the bidirectional inclined top demoulding mechanism runs normally, the inclined top seat (271) moves in the vertical upward direction under the action of upward ejection force, the upward ejection force is transmitted to the fixed block (273) by the inclined top seat (271), the fixed block (273) is transmitted to the inclined top (274), the inclined top (274) moves upwards along the axial direction of the inclined top rod, meanwhile, the inclined top (274) is fixedly connected with the fixed block (273) through screws, the fixed block (273) slides along the inner groove of the inclined top seat (271), and then the inclined top (274) further slides downwards along the inner groove of the inclined top seat (271). In summary, when the bidirectional inclined ejection demoulding mechanism operates normally, the movement path of the inclined ejector (274) can be decomposed into upward movement along the axial direction of the inclined ejector rod and downward sliding along the inclined ejector seat groove (275). Therefore, the inclined top (274) ejects the injection product (28) upwards, the inclined top (274) slides downwards along the inclined top seat groove (275) while the injection product (28) is smoothly demoulded, and the effect that the inclined top mechanism (27) does not interfere with the injection product (28) while ejecting the injection product (28) is achieved.
When an injection mold containing the bidirectional inclined top demolding mechanism normally runs and enters a demolding stage, upward ejection force is applied to the bottom of the injection mold, a panel (23) is ejected, a bottom plate (24) is ejected, an inclined top seat (271) moves along the vertical upward direction under the action of the upward ejection force, the upward ejection force is transmitted to a fixed block (273) by the inclined top seat (271), the fixed block (273) is transmitted to an inclined top (274), the inclined top (274) moves upwards along the axial direction of an inclined top rod, meanwhile, the inclined top (274) is fixed with the fixed block (273) through screw connection, the fixed block (273) slides along an inner groove of the inclined top seat (271), and the inclined top (274) further slides downwards along the inner groove of the inclined top seat (271). In summary, when the bidirectional inclined ejection demoulding mechanism operates normally, the movement path of the inclined ejector (274) can be decomposed into upward movement along the axial direction of the inclined ejector rod and downward sliding along the inclined ejector seat groove (275). Therefore, the inclined top (274) ejects the injection product (28) upwards, the inclined top (274) slides downwards along the inclined top seat groove (275) while the injection product (28) is smoothly demoulded, and the effect that the inclined top mechanism (27) does not interfere with the injection product (28) while ejecting the injection product (28) is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that other variations and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a two-way oblique top demoulding mechanism (27), includes oblique top seat (271), universal piece (272), fixed block (273), pushes up (274) to one side, sets up oblique top seat groove (275) on oblique top seat (271), pushes up (274) to one side and is connected with fixed block (273), and fixed block (273) are connected with universal piece (272), and fixed block (273) slide its characterized in that in oblique top seat groove (275): the included angle between the sliding direction of the fixing block (273) along the inclined top seat groove (275) and the horizontal plane is 2-3 degrees larger than the included angle between the lower surface tangent plane of the injection molding product and the horizontal plane.
2. The bidirectional pitched roof demolding mechanism according to claim 1, characterized in that: the fixed block (273) is connected with the universal block (272) through a middle round hole.
3. The bidirectional pitched roof demolding mechanism according to claim 1, characterized in that: the universal block (272) is made of a material softer than the fixed block (273) and the inclined top seat (271).
4. The bidirectional pitched roof demolding mechanism according to claim 1, characterized in that: the universal block (272) is made of beryllium copper, and the fixed block (273) and the inclined top seat (271) are made of steel.
5. The bidirectional pitched roof demolding mechanism according to claim 1, characterized in that: the inclined top (274) and the fixed block (273) are fixedly connected through screws.
6. An injection mold comprising the bidirectional lifter ejector mechanism (27) according to any one of claims 1 to 5, characterized in that: the demoulding mechanism is characterized by further comprising a fixed die (1) and a movable die (2), wherein the fixed die (1) and the movable die (2) are matched with the bidirectional pitched roof demoulding mechanism (27).
7. An injection mold according to claim 6, wherein: the movable mould (2) comprises a lower mould plate (21), a lower mould core (22), an ejection panel (23), an ejection bottom plate (24), a lower mould fixing plate (25), mould feet (26) and a mould core cavity (29), wherein the lower mould core (22) is connected with the lower mould plate (21), the lower mould plate (21) is connected with the mould feet (26), the mould feet (26) are connected with the lower mould fixing plate (25), the ejection panel (23) is connected with the ejection bottom plate (24), the ejection bottom plate (24) is connected with the lower mould fixing plate (25), a bidirectional inclined ejection mechanism (27) is connected with the ejection bottom plate (24), the fixed mould (1) comprises an upper mould plate (11), an upper mould core (12) and an upper mould fixing plate (13), the upper mould plate (11) is connected with the upper mould fixing plate (13), and the upper mould fixing plate (13) is connected with the upper mould core.
8. An injection mold according to claim 7, wherein: the bidirectional inclined top demoulding mechanism (27) is connected with the ejection bottom plate (24) by bolts.
9. An injection mold according to claim 8, wherein: the ejection bottom plate (24) is connected with the ejection panel (23) through bolts.
10. An injection mold according to claim 7, wherein: the lower template (21) is connected with the lower die core (22) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604242.XU CN210190458U (en) | 2019-04-29 | 2019-04-29 | Bidirectional inclined ejection demolding mechanism and injection mold thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604242.XU CN210190458U (en) | 2019-04-29 | 2019-04-29 | Bidirectional inclined ejection demolding mechanism and injection mold thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210190458U true CN210190458U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920604242.XU Active CN210190458U (en) | 2019-04-29 | 2019-04-29 | Bidirectional inclined ejection demolding mechanism and injection mold thereof |
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| Country | Link |
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| CN (1) | CN210190458U (en) |
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- 2019-04-29 CN CN201920604242.XU patent/CN210190458U/en active Active
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