CN216544544U - Demoulding mechanism of injection molding machine - Google Patents
Demoulding mechanism of injection molding machine Download PDFInfo
- Publication number
- CN216544544U CN216544544U CN202122761463.8U CN202122761463U CN216544544U CN 216544544 U CN216544544 U CN 216544544U CN 202122761463 U CN202122761463 U CN 202122761463U CN 216544544 U CN216544544 U CN 216544544U
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- push plate
- rubber block
- injection molding
- molding machine
- strength rubber
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Abstract
The utility model discloses a demoulding mechanism of an injection molding machine, which comprises: a horizontally arranged push plate positioned below the upper die and a vertically arranged top rod penetrating through the push plate; the top rod comprises an upper section and a lower section, and the outer diameter of the upper section of the top rod is smaller than that of the lower section of the top rod; the push plate is provided with a through hole for the upper section of the top rod to penetrate through, the upper section of the top rod penetrates through the corresponding through hole, the inner diameter of the upper section of the top rod is smaller than that of the corresponding through hole, and the inner diameter of the lower section of the top rod is larger than that of the corresponding through hole; the top of the top stick is fixedly provided with a high-strength rubber block which is positioned above the push plate and below the upper die; and when the die is closed, the upper die compresses the high-strength rubber block on the top surface of the push plate. The ejection mechanism of the injection molding machine is characterized in that the top end of the ejector rod is fixedly provided with the high-strength rubber block, so that no abnormal motion is generated at the push plate at the moment of opening the mold.
Description
Technical Field
The utility model relates to a demoulding mechanism of an injection molding machine.
Background
An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.
After the injection molding of the injection molding machine is completed, the injection molded product needs to be pushed out of the mold cavity through a demolding mechanism. The ejector mechanism generally includes: a horizontally arranged push plate positioned below the upper die and a vertically arranged top rod penetrating through the push plate; the top rod comprises an upper section and a lower section, and the outer diameter of the upper section of the top rod is smaller than that of the lower section of the top rod; the push pedal is equipped with the through-hole that supplies top rod upper segment to run through, and the through-hole that corresponds is run through to top rod upper segment, and the internal diameter of top rod upper segment is less than the internal diameter that corresponds the through-hole, and the internal diameter of top rod hypomere is greater than the internal diameter that corresponds the through-hole. After the mold is opened, the ejector rod moves upwards, when the lower section of the ejector rod contacts the push plate, the ejector rod can push the push plate upwards, and then the injection molding product is pushed out of the mold cavity by the push plate.
In order to ensure the reliable implementation of injection molding, the upper die can compress the push plate when the die is closed; therefore, when the upper die is separated from the push plate during die opening, the push plate can lose the pressure of the upper die instantly, which may cause abnormal movement of the push plate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a demoulding mechanism of an injection molding machine, wherein a high-strength rubber block is fixedly arranged at the top end of a top roller, and the abnormal motion of a push plate at the moment of opening the mould can be ensured during mould opening.
In order to achieve the purpose, the technical scheme of the utility model is to design a demoulding mechanism of an injection molding machine, which comprises the following components: a horizontally arranged push plate positioned below the upper die and a vertically arranged top rod penetrating through the push plate; the top rod comprises an upper section and a lower section, and the outer diameter of the upper section of the top rod is smaller than that of the lower section of the top rod; the push plate is provided with a through hole for the upper section of the top rod to penetrate through, the upper section of the top rod penetrates through the corresponding through hole, the inner diameter of the upper section of the top rod is smaller than that of the corresponding through hole, and the inner diameter of the lower section of the top rod is larger than that of the corresponding through hole; the top of the top stick is fixedly provided with a high-strength rubber block which is positioned above the push plate and below the upper die; the thickness of the high-strength rubber block is larger than that of the push plate; and when the die is closed, the upper die compresses the high-strength rubber block on the top surface of the push plate.
Preferably, the high-strength rubber block is circular.
Preferably, the high-strength rubber block is sleeved on the upper section of the top stick.
Preferably, the lower part of the inner ring of the high-strength rubber block is fixedly bonded with the top end of the upper section of the jacking rod.
Preferably, the high-strength rubber block and the upper section of the top rod are coaxial.
Preferably, the outer diameter of the high-strength rubber block is larger than the inner diameter of the through hole.
Preferably, the inner diameter of the high-strength rubber block is 12 mm.
Preferably, the outer diameter of the high-strength rubber block is 45 mm.
Preferably, the thickness of the high-strength rubber block is 14 mm.
The utility model has the advantages and beneficial effects that: the utility model provides an injection molding machine demoulding mechanism, its top at the top of top rod sets firmly has the super power to glue the piece, can guarantee when the mould opening the push pedal department does not have the abnormal motion in the moment.
The top of the top roller is fixedly provided with the high-strength rubber block, and the upper die compresses the high-strength rubber block on the top surface of the push plate during die assembly. The high-strength rubber block has good elasticity, and when the mold is opened, the high-strength rubber block can keep certain pressure on the push plate in the upward moving process of the upper mold, so that the instant pressure loss of the push plate is avoided, and the instant push plate without abnormal movement of the mold opening is ensured.
After the mold is opened, the ejector rod moves upwards, when the lower section of the ejector rod contacts the push plate, the ejector rod can push the push plate upwards, and then the injection molding product is pushed out of the mold cavity by the push plate.
Drawings
FIG. 1 is a schematic of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the utility model is as follows:
as shown in fig. 1, an ejector mechanism of an injection molding machine includes: a horizontally arranged push plate 2 positioned below the upper die 1 and a vertically arranged top rod 3 penetrating through the push plate 2; the top stick 3 comprises an upper section and a lower section, and the outer diameter of the upper section 31 of the top stick 3 is smaller than that of the lower section 32 of the top stick 3; the push plate 2 is provided with a through hole 21 for the upper section 31 of the top stick 3 to penetrate through, the upper section 31 of the top stick 3 penetrates through the corresponding through hole 21, the inner diameter of the upper section 31 of the top stick 3 is smaller than that of the corresponding through hole 21, and the inner diameter of the lower section 32 of the top stick 3 is larger than that of the corresponding through hole 21; the top of the top stick 3 is fixedly provided with an acrylic rubber block 4, the acrylic rubber block 4 is positioned above the push plate 2, and the acrylic rubber block 4 is positioned below the upper die 1; when the die is closed, the upper die 1 presses the high-strength rubber block 4 on the top surface of the push plate 2;
more specifically:
the high-strength rubber block 4 is annular;
the high-strength rubber block 4 is sleeved on the upper section 31 of the top roller 3;
the lower part of the inner ring of the high-strength rubber block 4 is fixedly bonded with the top end of the upper section 31 of the top roller 3;
the high-strength rubber block 4 and the upper section 31 of the top stick 3 share the same axis;
the outer diameter of the high-strength rubber block 4 is larger than the inner diameter of the through hole 21;
the inner diameter of the high-strength rubber block 4 is 12 mm;
the outer diameter of the high-strength rubber block 4 is 45 mm;
the thickness of the acrylic rubber block 4 is 14 mm.
The top of the top rod 3 is fixedly provided with a high-strength rubber block 4, and the upper die 1 compresses the high-strength rubber block 4 on the top surface of the push plate 2 during die assembly. The high-strength rubber block 4 has good elasticity, and during mold opening, in the upward moving process of the upper mold 1, the high-strength rubber block 4 can keep certain pressure on the push plate 2, so that the push plate 2 is prevented from losing pressure instantly, and further the instant push plate 2 without abnormal movement of the mold opening is ensured.
After the mold is opened, the ejector rod 3 moves upwards, when the lower section 32 of the ejector rod 3 contacts the push plate 2, the ejector rod 3 can push the push plate 2 upwards, and then the push plate 2 pushes the injection molding product out of the mold cavity.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. Injection molding machine demoulding mechanism includes: a horizontally arranged push plate positioned below the upper die and a vertically arranged top rod penetrating through the push plate; the top rod comprises an upper section and a lower section, and the outer diameter of the upper section of the top rod is smaller than that of the lower section of the top rod; the push plate is provided with a through hole for the upper section of the top rod to penetrate through, the upper section of the top rod penetrates through the corresponding through hole, the inner diameter of the upper section of the top rod is smaller than that of the corresponding through hole, and the inner diameter of the lower section of the top rod is larger than that of the corresponding through hole; the method is characterized in that: the top of the top stick is fixedly provided with a high-strength rubber block which is positioned above the push plate and below the upper die; and when the die is closed, the upper die compresses the high-strength rubber block on the top surface of the push plate.
2. The injection molding machine demolding mechanism as claimed in claim 1, wherein the high-strength rubber block is annular.
3. The injection molding machine demolding mechanism of claim 2, wherein the high-strength rubber block is sleeved on the upper section of the top roller.
4. The injection molding machine demolding mechanism as claimed in claim 3, wherein the lower portion of the inner ring of the high-strength rubber block is fixedly bonded to the top end of the upper section of the top roller.
5. An injection molding machine demolding mechanism as claimed in claim 4, wherein said high-strength rubber block is coaxial with the upper section of the ejector rod.
6. The injection molding machine demolding mechanism as claimed in claim 5, wherein an outer diameter of the high-strength rubber block is larger than an inner diameter of the through hole.
7. An injection molding machine demolding mechanism according to claim 6, wherein the inner diameter of the high-strength rubber block is 12 mm.
8. An injection molding machine demolding mechanism as claimed in claim 7, wherein the outer diameter of the high-strength rubber block is 45 mm.
9. An injection molding machine ejector mechanism as claimed in claim 8, wherein said high-force block is 14mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122761463.8U CN216544544U (en) | 2021-11-12 | 2021-11-12 | Demoulding mechanism of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122761463.8U CN216544544U (en) | 2021-11-12 | 2021-11-12 | Demoulding mechanism of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216544544U true CN216544544U (en) | 2022-05-17 |
Family
ID=81571993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122761463.8U Active CN216544544U (en) | 2021-11-12 | 2021-11-12 | Demoulding mechanism of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216544544U (en) |
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2021
- 2021-11-12 CN CN202122761463.8U patent/CN216544544U/en active Active
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