CN218256511U - Push up mechanism to one side convenient to injection mold back-off drawing of patterns - Google Patents
Push up mechanism to one side convenient to injection mold back-off drawing of patterns Download PDFInfo
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- CN218256511U CN218256511U CN202221640340.7U CN202221640340U CN218256511U CN 218256511 U CN218256511 U CN 218256511U CN 202221640340 U CN202221640340 U CN 202221640340U CN 218256511 U CN218256511 U CN 218256511U
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Abstract
The utility model discloses an oblique top mechanism convenient to injection mold back-off drawing of patterns relates to injection mold technical field, including mould benevolence board, establish at the thimble board of mould benevolence board below and install the subassembly that pushes up to one side between mould benevolence board and thimble board, push up the subassembly to one side and include oblique guide pillar and base subassembly, the base subassembly includes footstock and guide block to one side, the utility model discloses to one side the top mechanism sets up guide block and footstock to one side in the below of guide pillar to one side, at the in-process of the operation of guide pillar to one side, the guide pillar rotates on the guide block to one side, and the guide block slides in the rotation of cooperation oblique guide pillar on the footstock to one side simultaneously to nimble adjustment guide block is to oblique guide pillar direction of action, makes the interaction force between oblique guide pillar and the vertical direction of mould benevolence board and the horizontal direction change in a flexible way, has cushioned oblique guide pillar at the operation in-process, the interaction force between oblique guide pillar and the mould benevolence board to one side, thereby avoided when oblique guide pillar inclination is big, the dead circumstances of card appears between oblique guide pillar and mould benevolence board.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is a mechanism pushes up to one side convenient to injection mold back-off drawing of patterns.
Background
Mold injection molding is a process used in mass production of some parts having complex shapes. The specific principle is as follows: injecting heated and melted plastic raw materials into a mold cavity of a plastic mold at high pressure, and cooling and solidifying to obtain a molded injection molding piece. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the molded injection molding part.
The in-process of taking off the injection molding that the shaping is good from the template generally can use oblique footstock, and oblique footstock includes oblique guide pillar, and at the in-process of drawing of patterns, oblique guide pillar produces oblique ascending motion, and the back-off on the injection molding that the shaping is good of being convenient for breaks away from the template, and in actual production, some plastic products's shape is too complicated, leads to oblique guide pillar because the angle is big at the in-process of pushing up the operation to one side, appears pushing up the dead condition of card easily between with the mould benevolence board.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an inclined ejection mechanism convenient for injection mold back-off demolding comprises a mold core plate, an ejector plate arranged below the mold core plate and an inclined ejection assembly arranged between the mold core plate and the ejector plate;
the inclined ejector assembly comprises an inclined ejector column and a base assembly, the base assembly comprises an inclined ejector seat and a guide block, the lower end of the inclined ejector seat is fixedly arranged on the ejector plate, the lower end of the guide block is slidably connected to the upper end of the inclined ejector seat along a first horizontal axis, the lower end of the inclined ejector column is pivotally connected to the upper end of the guide block along a second horizontal axis, and the first horizontal axis is relatively vertical to the second horizontal axis;
the mould benevolence board is last to have seted up oblique apical pore, and the activity of the upper end of oblique guide pillar is installed in oblique apical pore.
As a further aspect of the utility model: the top surface of the inclined top seat is sequentially provided with a first rectangular groove and a second rectangular groove from top to bottom, the first rectangular groove is formed at the bottom of the second rectangular groove, the first rectangular groove and the second rectangular groove are communicated to form a T shape, the axis of the second rectangular groove forms the first horizontal axis,
the lower end face of the guide block is fixedly provided with a T-shaped block, and the T-shaped block can be arranged in the first rectangular groove and the second rectangular groove in a sliding mode from the side face of the inclined top seat.
As a further aspect of the present invention: the top surface of the guide block is provided with a trapezoidal groove and a cylindrical groove which are communicated with each other, the cylindrical groove is formed at the bottom of the trapezoidal groove, and the axis of the cylindrical groove is formed into the second horizontal axis;
the lower end of the inclined guide post is provided with a pointed convex part with a trapezoidal section and a cylindrical part with a circular section, the cylindrical part is positioned at the lower end of the pointed convex part and can be pivoted in the cylindrical groove, and the included angle of the two side surfaces of the trapezoidal groove is larger than that of the two side surfaces of the pointed convex part.
As a further aspect of the utility model: the position that the side of first rectangular channel is connected with the side of second rectangular channel is equipped with the direction inclined plane, and the side slope setting of direction inclined plane and first rectangular channel and second rectangular channel.
As a further aspect of the present invention: the cross section of the inclined guide post is rectangular.
As a further aspect of the present invention: the upper end of the guide rod is provided with an ejection part which is arranged along the vertical direction and forms an included angle with the guide rod at a certain angle.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses push up the mechanism to one side and set up guide block and oblique footstock in the below of oblique guide pillar, at the in-process of the operation of oblique guide pillar, the guide pillar rotates on the guide block to one side, the guide block cooperates the rotation of oblique guide pillar to one side on oblique footstock to slide simultaneously, thereby adjust the direction of guide block to oblique guide pillar effect in a flexible way, make the interaction force nimble change between oblique guide pillar and the vertical direction of mould benevolence board and the horizontal direction, the guide pillar is at the operation in-process to one side has been cushioned, interaction force between oblique guide pillar and the mould benevolence board, thereby avoided when oblique guide pillar inclination is big, the dead condition of card appears in ejecting operation in-process and mould benevolence board to one side to the guide pillar.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the slanted ejecting assembly and the slanted guide pillar according to the present invention;
FIG. 3 is a force analysis diagram of the middle inclined guide pillar of the present invention;
fig. 4 is a perspective view of the lifter assembly and the angle guide post of the present invention;
fig. 5 is a perspective view of the angle pin assembly and the angle pin of the present invention in another direction;
FIG. 6 is a partial view at A of FIG. 5;
the reference numbers and designations in the drawings are as follows:
the mold comprises a mold core plate-10, an ejector plate-20, an inclined ejector component-30, an inclined guide post-40, a base component-50, an inclined ejector seat-51, a guide block-52, a mold core hole-11, a first rectangular groove-511, a second rectangular groove-512, a first horizontal axis-511 a, a second horizontal axis-512 b, a trapezoidal groove-521, a cylindrical groove-522, a T-shaped block-523, a pointed convex part-41, a cylindrical part-42, a guide inclined surface-513 and an ejection part-43.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, an angle ejector mechanism for facilitating injection mold back-off and demolding comprises a mold core plate 10, an ejector plate 20 disposed below the mold core plate 10, and an angle ejector assembly 30 installed between the mold core plate 10 and the ejector plate 20;
the inclined top assembly 30 comprises an inclined top seat 40 and a base assembly 50, the base assembly 50 comprises an inclined top seat 51 and a guide block 52, the lower end of the inclined top seat 51 is fixedly arranged on the ejector plate 20, the lower end of the guide block 52 is slidably connected to the upper end of the inclined top seat 51 along a first horizontal axis 511a, the lower end of the inclined guide column 40 is pivotally connected to the upper end of the guide block 52 along a second horizontal axis 512b, and the first horizontal axis 511a is relatively vertical to the second horizontal axis 512b;
the die core plate 10 is provided with an inclined top hole, and the upper end of the inclined guide pillar 40 is movably arranged in the inclined top hole;
in the demolding process, when the molded injection molding piece contains the reverse buckle, the oblique guide post 40 jacks up the reverse buckle on the molded injection molding piece along the oblique direction of the reverse buckle, so that the reverse buckle of the molded injection molding piece falls off from the mold core plate 10;
as shown in fig. 3, the angle guide pillar 40 is arranged obliquely, and in the process of ejecting the angle guide pillar 40 to the back-off of the molded injection molding part, the resultant force of the angle guide pillar 40 from the guide block 52 is F, the upward component force of the angle guide pillar 40 is F1, the rightward component force of the angle guide pillar 40 is F2, and the included angle between the resultant force of the angle guide pillar 40 from the guide block 52 and the vertical direction is α, which is subjected to stress analysis, wherein Fcos α = F1, and Fsin α = F2;
when the inclination angle of the inclined guide post 40 is large, alpha is increased, f1 is larger relative to f2, the interaction force between the inclined guide post 40 and the die core plate 10 in the horizontal direction is larger, if the inclined guide post 40 cannot rotate, the inclined guide post 40 is easy to be jammed, by arranging the guide block 52, the lower end of the inclined guide post 40 rotates on the guide block 52, and the rotation of the lower end of the inclined guide post 40 can change the direction of the resultant force of the guide block 52 on the inclined guide post 40; the forces are mutual, when the guide block 52 provides acting force to the inclined guide post 40, the inclined guide post 40 also generates acting force to the guide block 52, and the acting force generated by the inclined guide post 40 to the guide block 52 can enable the guide block 52 to slide on the inclined top seat 51;
the utility model discloses the oblique top mechanism sets up guide block 52 and oblique footstock 51 in the below of oblique guide pillar 40, at the in-process of the operation of oblique guide pillar 40, oblique guide pillar 40 rotates on guide block 52, guide block 52 cooperates the rotation of oblique guide pillar 40 to slide on oblique footstock 51 simultaneously, thereby adjust the direction of guide block 52 to oblique guide pillar 40 power in a flexible way, make the nimble change of interaction force between oblique guide pillar 40 and the vertical direction of mould benevolence board 10 and the horizontal direction, cushion oblique guide pillar 40 at the operation in-process, interaction force between oblique guide pillar 40 and the mould benevolence board 10, thereby avoided when oblique guide pillar 40 inclination is big, oblique guide pillar 40 appears the dead condition of card between ejecting operation in-process and mould benevolence board 10.
In the embodiment of the present invention, the top surface of the slanted ejecting base 51 is sequentially provided with a first rectangular groove 511 and a second rectangular groove 512 from top to bottom, the first rectangular groove 511 and the second rectangular groove 512 are connected to form a T shape, the axis of the second rectangular groove 512 is formed as the first horizontal axis 511a,
the lower end face of the guide block 52 is fixedly provided with a T-shaped block 523, and the T-shaped block 523 can be arranged in the first rectangular groove 511 and the second rectangular groove 512 in a sliding manner from the side face of the inclined top seat 51;
the first rectangular groove 511 and the second rectangular groove 512 are communicated with each other to form a T shape, so that the T-shaped block 523 arranged on the lower end surface of the guide block 52 is in sliding fit in the first rectangular groove 511 and the second rectangular groove 512, and the guide block 52 is limited on the inclined top seat 51 and can be in sliding fit with the inclined top seat 51.
In the embodiment of the present invention, the top surface of the guide block 52 is provided with a trapezoidal groove 521 and a cylindrical groove 522 which are communicated with each other, the cylindrical groove 522 is formed at the bottom of the trapezoidal groove 521, and the axis of the cylindrical groove 522 is formed as the second horizontal axis 512b;
the lower end of the inclined guide post 40 is provided with a pointed convex part 41 with a trapezoidal section and a cylindrical part 42 with a circular section, the cylindrical part 42 is positioned at the lower end of the pointed convex part 41, the cylindrical part 42 can be pivoted in the cylindrical groove 522, and the included angle of two side surfaces of the trapezoidal groove 521 is larger than that of the pointed convex part 41;
the top surface of the guide block 52 is provided with the trapezoidal groove 521 and the cylinder, the lower end of the inclined guide post 40 is provided with the pointed convex part 41 and the cylindrical part 42, so that the inclined guide post 40 and the guide block 52 are conveniently connected with each other, and in the rotating process of the inclined guide post 40, spaces for the inclined guide post 40 to swing need to be reserved on two sides of the trapezoidal groove 521, so that the included angle of two side surfaces of the trapezoidal groove 521 is larger than that of two side surfaces of the pointed convex part 41;
rotation of the angle post 40 on the guide block 52 is facilitated by the mating of the cylindrical groove 522 and the cylindrical portion 42.
In the embodiment of the present invention, a guiding inclined plane 513 is disposed at a position where the side surface of the first rectangular groove 511 is connected to the side surface of the second rectangular groove 512, and the guiding inclined plane 513 is inclined relative to the side surface of the first rectangular groove 511 and the side surface of the second rectangular groove 512;
the T-shaped block 523 of the guide block 52 is made to slide better in the first rectangular groove 511 and the second rectangular groove 512 by providing the guide slope 513 at a portion where the side surface of the first rectangular groove 511 is connected to the side surface of the second rectangular groove 512.
In the embodiment of the utility model, the cross section of the inclined guide post 40 is rectangular;
the cross section of the angle guide post 40 is rectangular, so that the angle guide post 40 can better slide in the angle top hole.
In the embodiment of the utility model, the upper end of the guide rod is provided with the ejecting part 43, the ejecting part 43 is arranged along the vertical direction, and an included angle with a certain angle is formed between the ejecting part 43 and the guide rod;
the ejection part 43 is arranged at the upper end of the inclined guide post 40, so that the ejection of the back-off on the molded injection molding piece is facilitated.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An inclined ejection mechanism convenient for injection mold back-off demolding is characterized by comprising a mold core plate (10), an ejector plate (20) arranged below the mold core plate (10) and an inclined ejection assembly (30) arranged between the mold core plate (10) and the ejector plate (20);
the inclined ejection assembly (30) comprises an inclined guide post (40) and a base assembly (50), the base assembly (50) comprises an inclined ejection seat (51) and a guide block (52), the lower end of the inclined ejection seat (51) is fixedly arranged on the ejector plate (20), the lower end of the guide block (52) is slidably connected to the upper end of the inclined ejection seat (51) along a first horizontal axis (511 a), the lower end of the inclined guide post (40) is pivotally connected to the upper end of the guide block (52) along a second horizontal axis (512 b), and the first horizontal axis (511 a) is relatively vertical to the second horizontal axis (512 b);
an inclined top hole is formed in the die core plate (10), and the upper end of the inclined guide pillar (40) is movably arranged in the inclined top hole.
2. The mechanism of claim 1, wherein the top surface of the slanted ejecting seat (51) is provided with a first rectangular groove (511) and a second rectangular groove (512) from top to bottom in sequence, the first rectangular groove (511) is formed at the bottom of the second rectangular groove (512), the first rectangular groove (511) and the second rectangular groove (512) are communicated to form a T shape, the axis of the second rectangular groove (512) is formed as the first horizontal axis (511 a),
the lower end face of the guide block (52) is fixedly provided with a T-shaped block (523), and the T-shaped block (523) can be arranged in the first rectangular groove (511) and the second rectangular groove (512) in a sliding way from the side face of the inclined top seat (51).
3. The lifter mechanism for facilitating reverse demoulding of the injection mould, according to claim 1, characterized in that the top surface of the guide block (52) is provided with a trapezoidal groove (521) and a cylindrical groove (522) which are communicated, the cylindrical groove (522) is formed at the bottom of the trapezoidal groove (521), and the axis of the cylindrical groove (522) is formed as the second horizontal axis (512 b);
the lower end of the inclined guide post (40) is provided with a pointed convex part (41) with a trapezoidal section and a cylindrical part (42) with a circular section, the cylindrical part (42) is positioned at the lower end of the pointed convex part (41), the cylindrical part (42) can be arranged in the cylindrical groove (522) in a pivoting way, and the included angle of two side surfaces of the trapezoidal groove (521) is larger than that of the pointed convex part (41).
4. The mechanism of claim 2, wherein the guide slope (513) is arranged at the connection part of the side surface of the first rectangular groove (511) and the side surface of the second rectangular groove (512), and the guide slope (513) is obliquely arranged with the side surface of the first rectangular groove (511) and the side surface of the second rectangular groove (512).
5. The angle ejector mechanism for facilitating reverse demoulding of an injection mould according to claim 1, wherein the cross section of the angle guide pillar (40) is rectangular.
6. An angle ejector mechanism for facilitating the back-off demoulding of an injection mould according to any one of claims 1 to 5, wherein an ejector part (43) is arranged at the upper end of the guide rod, the ejector part (43) is arranged along the vertical direction, and an included angle is formed between the ejector part (43) and the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640340.7U CN218256511U (en) | 2022-06-28 | 2022-06-28 | Push up mechanism to one side convenient to injection mold back-off drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640340.7U CN218256511U (en) | 2022-06-28 | 2022-06-28 | Push up mechanism to one side convenient to injection mold back-off drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218256511U true CN218256511U (en) | 2023-01-10 |
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ID=84758403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221640340.7U Active CN218256511U (en) | 2022-06-28 | 2022-06-28 | Push up mechanism to one side convenient to injection mold back-off drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218256511U (en) |
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2022
- 2022-06-28 CN CN202221640340.7U patent/CN218256511U/en active Active
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