CN214026997U - Inclined pin structure of injection mold - Google Patents
Inclined pin structure of injection mold Download PDFInfo
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- CN214026997U CN214026997U CN202022863936.0U CN202022863936U CN214026997U CN 214026997 U CN214026997 U CN 214026997U CN 202022863936 U CN202022863936 U CN 202022863936U CN 214026997 U CN214026997 U CN 214026997U
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Abstract
The utility model discloses an angle pin structure of an injection mould, wherein the upper end of the mould is provided with a product forming area, and the mould is also movably provided with an angle pin; the angle pin comprises an angle pin main body, a forming section is arranged at the upper end of the angle pin main body and comprises a forming I section (22) and a forming II section (23), the upper end of the angle pin main body is connected with the lower end of the forming I section, and the upper end of the forming I section is connected with the lower end of the forming II section; and the upper end of the molding II section is provided with a bulge (4) forming the shape of a product. The utility model provides an injection mould taper pin structure is applied to the injection moulding of ultra-thin frame class product, improves the product yield, improves the efficiency of moulding plastics.
Description
Technical Field
The utility model belongs to the technical field of injection mold, concretely relates to injection mold taper pin structure.
Background
In the mold manufacturing industry, the shapes of the barbs on the inner side and the barbs with smaller shapes on the upper side of the plastic product are generally formed by adopting an angle pin mechanism. If the angle pin structure is not adopted, the barb can not be separated from the die during die opening, so the die cannot be completely used for forming, the angle pin mechanism is simple to process and install, and the product can be ejected when the product is withdrawn from the barb, so the angle pin structure is widely applied to plastic dies. The common inclined pin is inclined, so that a larger space is needed for matching when the inclined pin is adopted in a die, and the inclined pin is not suitable for injection molding of ultrathin products due to the smaller space of the ultrathin products.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing an injection mould taper pin structure, which is applied to the injection moulding of ultra-thin frame products, improves the product yield and improves the injection moulding efficiency.
In order to solve the technical problem, the utility model discloses a technical scheme be: the inclined pin structure of the injection mould comprises a mould, wherein a product forming area is arranged at the upper end of the mould, an inclined pin is movably arranged on the mould, and the inclined pin is matched with the mould to form a formed product;
the angle pin comprises an angle pin main body, a forming section is arranged at the upper end of the angle pin main body, the forming section comprises a forming section I and a forming section II, the upper end of the angle pin main body is connected with the lower end of the forming section I, the upper end of the forming section I is connected with the lower end of the forming section II, and the angle pin main body, the forming section I and the forming section II are integrally formed; the upper end of the molding II section is provided with a bulge forming the shape of a product;
the forming section II inclines outwards along the extending direction of the forming section I, the inclined central angle alpha is 3-7 degrees, a first arc-shaped surface with a concave section is formed between the forming section I and the taper pin main body, the radius R1 of the first arc-shaped surface is 3.5-4.5mm, and the central degree beta 1 of the first arc-shaped surface is 85-95 degrees; a second arc-shaped second arc surface with a convex section is formed at the joint of the inner sides of the molding section I and the molding section II, the radius R2 of the second arc is 15-25mm, and the central angle beta 2 of the second arc is 2-5 degrees; a third arc-shaped arc surface with a concave cross section is formed at the joint of the outer sides of the forming section I and the forming section II, the radius R3 of the third arc-shaped arc is 0.5-1.5mm, and the central angle beta 3 of the third arc-shaped arc is 25-35 degrees; the upper end of the third cambered surface is connected with a fourth cambered surface with a convex section, the radius R4 of the fourth cambered surface is 1-3mm, and the central angle beta 4 of the fourth cambered surface is 10-20 degrees; the lower end of the third cambered surface is connected with a fifth cambered surface with a convex section, the radius R5 of the fifth cambered surface is 1-3mm, and the central angle beta 5 of the fifth cambered surface is 10-20 degrees;
the length L3 of the angle pin main body is 120-130 mm; the length L1 of the molding I section is 8-12 mm; the length L2 of the molding II section is 18-22 mm; the total length L of the inclined pin is 150-155 mm;
the thickness of the taper pin main body is 4-6 mm; the thickness of the molding section I is 0.5-1.0 mm; the thickness of the forming II section is 0.5-1.0 mm.
Furthermore, the lower end of the angle pin is connected with an angle pin seat.
Further, the radius R1 of the first arc is 4mm, and the first arc central angle β 1 is 90 °.
Further, the radius R2 of the second arc is 20mm, and the central angle β 2 of the second arc is 3 °.
Further, the radius R3 of the third arc is 1mm, and the central angle β 3 of the third arc is 30 °.
Further, the radius R4 of the fourth arc is 2mm, and the central angle β 4 of the fourth arc is 15 °.
Further, the radius R5 of the fifth arc is 2mm, and the central angle β 5 of the fifth arc is 15 °.
Further, the inclination central angle α is 5 °.
Further, the length L3 of the taper pin body is 123 mm; the length L1 of the forming I section is 10 mm; the length L2 of the molding II section is 20 mm; the total length of the angle pin is 153 mm.
Further, the thickness D3 of the taper pin body is 5 mm; the thickness D1 of the molding I section is 0.8 mm; the thickness D2 of the profile II section was 0.8 mm.
The utility model has the advantages that:
the utility model discloses be applied to the injection moulding of ultra-thin frame class product, when moulding plastics, vertically locate the mould, the injection moulding is accomplished, ejecting product, because the taper pin itself has the slope central angle, make things convenient for the product drawing of patterns, compare with traditional taper pin, occupation space is few;
the utility model discloses an inboard junction of shaping I section and shaping II section forms the second cambered surface, and the outside forms third, fourth, fifth cambered surface, is formed with the first cambered surface of indent between shaping I section and the taper pin main part, so design, and the position that makes the upper end of taper pin have the central angle of slope and can make the slope resumes deformation rapidly when taking place deformation.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure in the direction A-A in FIG. 2;
fig. 4 is a first schematic structural view of the angle pin of the present invention;
fig. 5 is a second schematic structural view of the angle pin of the present invention;
fig. 6 is a third schematic structural view of the angle pin of the present invention;
FIG. 7 is an enlarged view of A1 in FIG. 6;
the parts in the drawings are marked as follows:
the device comprises a die 1, an inclined pin 2, an inclined pin main body 21, a forming section I22, a forming section II 23, a first arc surface 24, a first arc radius R1, a first arc central angle beta 1, a second arc surface 25, a second arc radius R2, a second arc central angle beta 2, a third arc surface 26, a third arc radius R3, a third arc central angle beta 3, a fourth arc surface 27, a fourth arc radius R4, a fourth arc central angle beta 4, a fifth arc surface 28, a fifth arc radius R5, a fifth arc central angle beta 5, a forming section 29, an inclined pin seat 3, a protrusion 4, an inclined central angle alpha, a length L1 of the forming section I, a length L2 of the forming section II, a length L3 of the inclined pin main body and the total length L of the inclined pin.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Modifications and substitutions of the methods, steps or conditions of the present invention are within the scope of the present invention without departing from the spirit and substance of the invention.
Example 1: an angle pin structure of an injection mould is shown in figures 1-7 and comprises a mould 1, wherein a product forming area is arranged at the upper end of the mould, an angle pin 2 is movably arranged on the mould and is matched with the mould to form a formed product;
the angle pin comprises an angle pin main body 21, a forming section is arranged at the upper end of the angle pin main body and comprises a forming section I22 and a forming section II 23, the upper end of the angle pin main body is connected with the lower end of the forming section I, the upper end of the forming section I is connected with the lower end of the forming section II, and the angle pin main body, the forming section I and the forming section II are integrally formed; the upper end of the molding II section is provided with a bulge 4 forming the shape of a product;
the forming section II inclines outwards along the extending direction of the forming section I, the inclined central angle alpha is 3-7 degrees, a first arc-shaped surface 24 with a concave section is formed between the forming section I and the taper pin main body, the radius R1 of the first arc-shaped surface is 3.5-4.5mm, and the central degree beta 1 of the first arc-shaped surface is 85-95 degrees; a second arc-shaped second arc surface 25 with a convex section is formed at the joint of the inner side of the forming section I and the inner side of the forming section II, the radius R2 of the second arc is 15-25mm, and the central angle beta 2 of the second arc is 2-5 degrees; a third arc-shaped third arc surface 26 with a concave cross section is formed at the joint of the outer sides of the forming section I and the forming section II, the radius R3 of the third arc shape is 0.5-1.5mm, and the central angle beta 3 of the third arc shape is 25-35 degrees; the upper end of the third cambered surface is connected with a fourth cambered surface 27 with a convex section, the radius R4 of the fourth cambered surface is 1-3mm, and the central angle beta 4 of the fourth cambered surface is 10-20 degrees; the lower end of the third cambered surface is connected with a fifth cambered surface 28 with a convex section, the radius R5 of the fifth cambered surface is 1-3mm, and the central angle beta 5 of the fifth cambered surface is 10-20 degrees;
the length L3 of the angle pin main body is 120-130 mm; the length L1 of the molding I section is 8-12 mm; the length L2 of the molding II section is 18-22 mm; the total length L of the inclined pin is 150-155 mm;
the thickness of the taper pin main body is 4-6 mm; the thickness of the molding section I is 0.5-1.0 mm; the thickness of the forming II section is 0.5-1.0 mm.
The lower end of the angle pin is connected with an angle pin seat 3.
The radius R1 of the first arc is 4mm, and the first arc central angle β 1 is 90 °.
The radius R2 of the second arc is 20mm and the central angle β 2 of the second arc is 3 °.
The radius R3 of the third arc is 1mm, and the central angle β 3 of the third arc is 30 °.
The radius R4 of the fourth arc is 2mm and the central angle β 4 of the fourth arc is 15 °.
The radius R5 of the fifth arc is 2mm and the central angle β 5 of the fifth arc is 15 °.
The inclination central angle α is 5 °.
The length L3 of the angle pin main body is 123 mm; the length L1 of the forming I section is 10 mm; the length L2 of the molding II section is 20 mm; the total length of the angle pin is 153 mm.
The thickness D3 of the angle pin main body is 5 mm; the thickness D1 of the molding I section is 0.8 mm; the thickness D2 of the profile II section was 0.8 mm.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be exhaustive. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The angle pin structure of the injection mould is characterized by comprising a mould (1), wherein the upper end of the mould is provided with a product forming area, the mould is also movably provided with an angle pin (2), and the angle pin is matched with the mould to form a formed product;
the angle pin comprises an angle pin main body (21), a forming section (29) is arranged at the upper end of the angle pin main body, the forming section comprises a forming I section (22) and a forming II section (23), the upper end of the angle pin main body is connected with the lower end of the forming I section, the upper end of the forming I section is connected with the lower end of the forming II section, and the angle pin main body, the forming I section and the forming II section are integrally formed; the upper end of the molding II section is provided with a bulge (4) forming the shape of a product;
the forming section II inclines outwards along the extending direction of the forming section I, the inclined central angle alpha is 3-7 degrees, a first arc-shaped surface (24) with a concave section is formed between the forming section I and the taper pin main body, the radius R1 of the first arc-shaped surface is 3.5-4.5mm, and the central degree beta 1 of the first arc-shaped surface is 85-95 degrees; a second arc-shaped second arc surface (25) with a convex section is formed at the joint of the inner side of the forming section I and the inner side of the forming section II, the radius R2 of the second arc is 15-25mm, and the central angle beta 2 of the second arc is 2-5 degrees; a third arc-shaped arc surface (26) with a concave cross section is formed at the joint of the outer sides of the forming section I and the forming section II, the radius R3 of the third arc shape is 0.5-1.5mm, and the central angle beta 3 of the third arc shape is 25-35 degrees; the upper end of the third cambered surface is connected with a fourth cambered surface (27) with a convex section, the radius R4 of the fourth cambered surface is 1-3mm, and the central angle beta 4 of the fourth cambered surface is 10-20 degrees; the lower end of the third cambered surface is connected with a fifth cambered surface (28) with a convex section, the radius R5 of the fifth cambered surface is 1-3mm, and the central angle beta 5 of the fifth cambered surface is 10-20 degrees;
the length L3 of the angle pin main body is 120-130 mm; the length L1 of the molding I section is 8-12 mm; the length L2 of the molding II section is 18-22 mm; the total length L of the inclined pin is 150-155 mm;
the thickness of the taper pin main body is 4-6 mm; the thickness of the molding section I is 0.5-1.0 mm; the thickness of the forming II section is 0.5-1.0 mm.
2. The injection mold angle pin structure of claim 1, wherein: the lower end of the angle pin is connected with an angle pin seat (3).
3. The injection mold angle pin structure of claim 1, wherein: the radius R1 of the first arc is 4mm, and the first arc central angle β 1 is 90 °.
4. The injection mold angle pin structure of claim 1, wherein: the radius R2 of the second arc is 20mm and the central angle β 2 of the second arc is 3 °.
5. The injection mold angle pin structure of claim 1, wherein: the radius R3 of the third arc is 1mm, and the central angle β 3 of the third arc is 30 °.
6. The injection mold angle pin structure of claim 1, wherein: the radius R4 of the fourth arc is 2mm and the central angle β 4 of the fourth arc is 15 °.
7. The injection mold angle pin structure of claim 1, wherein: the radius R5 of the fifth arc is 2mm and the central angle β 5 of the fifth arc is 15 °.
8. The injection mold angle pin structure of claim 1, wherein: the inclination central angle α is 5 °.
9. The injection mold angle pin structure of claim 1, wherein: the length L3 of the angle pin main body is 123 mm; the length L1 of the forming I section is 10 mm; the length L2 of the molding II section is 20 mm; the total length of the angle pin is 153 mm.
10. The injection mold angle pin structure of claim 1, wherein: the thickness D3 of the angle pin main body is 5 mm; the thickness D1 of the molding I section is 0.8 mm; the thickness D2 of the profile II section was 0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022863936.0U CN214026997U (en) | 2020-12-03 | 2020-12-03 | Inclined pin structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022863936.0U CN214026997U (en) | 2020-12-03 | 2020-12-03 | Inclined pin structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214026997U true CN214026997U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022863936.0U Active CN214026997U (en) | 2020-12-03 | 2020-12-03 | Inclined pin structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214026997U (en) |
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- 2020-12-03 CN CN202022863936.0U patent/CN214026997U/en active Active
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