CN219727090U - Side hole forming assembly for injection mold - Google Patents
Side hole forming assembly for injection mold Download PDFInfo
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- CN219727090U CN219727090U CN202320882301.6U CN202320882301U CN219727090U CN 219727090 U CN219727090 U CN 219727090U CN 202320882301 U CN202320882301 U CN 202320882301U CN 219727090 U CN219727090 U CN 219727090U
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- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 238000001746 injection moulding Methods 0.000 claims abstract description 39
- 238000000465 moulding Methods 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a side hole forming assembly for an injection mold, which comprises an upper die and a lower die, wherein an injection molding cavity is enclosed by the upper die and the lower die; the upper die is fixedly arranged on the injection die; a lower guide block; the lower die is movably arranged on the injection die; the lower guide block is positioned below the upper guide block, and the upper guide block and the lower guide block are respectively provided with a first guide inclined plane and a second guide inclined plane at opposite sides thereof; the side forming die is fixedly arranged on the lower guide block and deviates from the side where the second guide inclined plane is positioned; a reset assembly; the movable end of the resetting component is connected with the lower guide block; the upper die drives the upper guide block to move downwards, so that the lower guide block drives the side forming die to move towards the injection molding cavity, the side hole forming assembly is arranged at the side of the injection molding cavity, the upper die drives the upper guide block to move downwards, and the side forming die is driven to enter the injection molding cavity through the guiding of the inclined plane, so that the side hole structural characteristics are formed.
Description
Technical Field
The utility model belongs to the technical field of side hole forming assemblies, and particularly relates to a side hole forming assembly for an injection mold.
Background
The injection molding machine is characterized in that the injection molding machine is provided with a cavity, the cavity is provided with a plurality of holes, and the holes are arranged on the upper end and the lower end of the cavity. For this reason, the present inventors have developed an injection molding structure capable of molding a hole-like structural feature on a side surface of an injection molded article for such an injection molding method.
Disclosure of Invention
The utility model aims to provide a side hole forming assembly for an injection mold, which aims to synchronously realize the forming of side hole structural characteristics of an injection molding piece during the injection molding of a traditional mold.
In order to solve the technical problems, the aim of the utility model is realized as follows:
side hole forming assembly for injection mold, upper mold encloses with the bed die and closes the injection molding die cavity, and side hole forming assembly is located injection molding die cavity side, side hole forming assembly includes
An upper guide block; the upper die is fixedly arranged on the injection die;
a lower guide block; the lower die is movably arranged on the injection die; the lower guide block is positioned below the upper guide block, and a first guide inclined plane and a second guide inclined plane are respectively arranged on the opposite sides of the upper guide block and the lower guide block; the side forming die is fixedly arranged on the lower guide block and deviates from the side where the second guide inclined plane is positioned;
a reset assembly; the movable end of the reset component is connected with the lower guide block; the upper die drives the upper guide block to move downwards, and the first guide inclined plane is contacted with the second guide inclined plane, so that the lower guide block drives the side forming die to move towards the injection molding cavity.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the guide assembly comprises a guide rod and a guide hole formed in the lower guide block, the guide rod is located right above the guide hole, the guide rod is fixedly arranged on the upper die, and the upper end of the guide rod is inclined to the side where the injection molding cavity is located; the upper die drives the upper guide block to move downwards and drives the guide rod to move downwards synchronously, so that the lower end of the guide rod is inserted into the guide hole.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the lower end of the guide rod remains inserted into the guide hole when the upper die is separated from the lower die to a maximum position.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the lower end face of the guide rod is a spherical surface.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the guide assemblies are symmetrically arranged in two.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the resetting component comprises a pressure spring and a pull rod, and one end of the pull rod penetrates through the pressure spring and is connected with the lower guide block; when the lower guide block drives the side forming die to move into the injection molding cavity, the pull rod compresses the pressure spring.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the support block comprises a pressure spring accommodating cavity, and the pressure spring and the pull rod are accommodated in the pressure spring accommodating cavity; the pull rod penetrates through the pressure spring and then penetrates out of one end of the supporting block to be connected with the lower guide block.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the support block is fixedly arranged on the lower die at one end of the pull rod penetrating out.
Compared with the prior art, the utility model has the following outstanding and beneficial technical effects: the side hole forming assembly is arranged at the side of the injection molding cavity, the upper guide block is driven by the upper die to move downwards, the first guide inclined surface of the upper guide block is contacted with the second guide inclined surface on the lower guide block, so that the side forming die is driven to enter the injection molding cavity through the guide of the inclined surface, and then the side hole structural characteristics are formed in the injection molding process; meanwhile, the reset component is arranged, when the upper guide block drives the upper guide block to move towards the direction where the injection molding cavity is located, the force accumulation of the reset component is realized, and in the process of opening the upper and lower molds, the upper guide block is separated from the lower guide block, so that the reset component drives the lower guide block to return to the initial position, and interference is not generated to subsequent demolding.
Drawings
FIG. 1 is a perspective view of the overall structure of an injection mold;
FIG. 2 is a top view of an injection mold;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B in FIG. 2;
FIG. 5 is a front view of the side molding assembly configuration;
FIG. 6 is a cross-sectional view of C-C in FIG. 5;
FIG. 7 is a perspective view of the side molding assembly;
fig. 8 is another angular perspective view of the side molding assembly structure.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the examples given, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the utility model.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1 to 8, the present utility model discloses a side hole molding assembly for an injection mold, wherein an upper mold 10 and a lower mold 20 enclose an injection molding cavity 40, and in particular, the upper mold 10 includes a first upper mold body 11, a second upper mold body 12 and a third upper mold body 13, and the first mold body 11, the second mold body 12 and the third mold body 13 are fixedly connected with each other; the lower die 20 includes a first lower die body 21, a second lower die body 22, and a third lower die body 23, and the side hole forming assembly 30 is located laterally to the injection molding cavity 40, and specifically, in this embodiment, the side hole forming assembly 30 includes: an upper guide block 34 and a lower guide block 35; the upper guide block 34 is fixedly arranged on the third upper die main body 13 of the upper die 10 of the injection die; the lower guide block 35 is movably arranged on the first lower die main body 21 of the lower die 20 of the injection die; the lower guide block 35 is located below the upper guide block 34, and the upper and lower guide blocks 34 and 35 are provided with first and second guide slopes 341 and 351, respectively, at opposite sides thereof; the side forming die 38 is fixedly arranged on the lower guide block 35 and is away from the side of the second guide inclined surface 351; then, the upper die 10 is driven by the injection molding machine to move downwards together with the upper guide block 34, and the first guide inclined surface 341 of the upper guide block is contacted with the second guide inclined surface 351 on the lower guide block, so that the side forming die is driven to enter the injection molding cavity by the guiding of the inclined surface, and then the side hole structural characteristics are formed in the injection molding process, so that the side structure of the injection molding part is molded.
Considering that when the injection molding is finished and the demolding is finished, the side molding dies 38 need to be taken out along the mold opening direction from the openings of the upper and lower dies, but if the side molding dies 38 cannot timely withdraw the injection molding cavity, the problem that the injection molding piece cannot be taken out can be caused, but if a set of pneumatic, electric and other actuating mechanisms are additionally arranged to drive the side molding dies 38 to move out, the control complexity is increased, and the die cost is increased; for this purpose, the present embodiment preferably further comprises a reset assembly; the movable end of the resetting component is connected with the lower guide block 35; the upper mold 10 drives the upper guide block 34 to move downward, and the first guide inclined surface 341 contacts the second guide inclined surface 351, so that the lower guide block 35 drives the side forming mold 38 to move into the injection forming cavity 40. Specifically, referring to fig. 3 in detail, the reset assembly includes a compression spring 32 and a pull rod 33, wherein one end of the pull rod 33 passes through the compression spring 32 and is connected to a lower guide block 35; when the lower guide block 35 drives the side forming die 38 to move into the injection forming cavity 40, the pull rod 33 compresses the pressure spring 32; therefore, when the upper die and the lower die are opened, the upper guide block 35 moves upwards to release the limit on the lower guide block 35, the compression spring 32 starts to stretch from a compressed state, and the lower guide block 35 and the side forming die 38 are pulled to return to an initial state through the pull rod 33, so that the injection molding piece is rapidly demolded; of course, the support block 31 is further included, the support block 31 includes a compression spring accommodating cavity 312, and the compression spring 32 and the pull rod 33 are accommodated in the compression spring accommodating cavity 312; the pull rod 33 passes through the compression spring 32 and then passes out of one end of the supporting block 31 to be connected with the lower guide block 35. The support block 31 is fixedly arranged on the lower die 20 at one end of the pull rod 33 penetrating out, and the support block 31 provides support for the reset assembly, so that the reset assembly is fixedly arranged on the lower die 20 and synchronously moves along with the lower die 20.
In addition, the present embodiment further preferably further includes a guide assembly, specifically, the guide assembly includes a guide rod 37 and a guide hole 352 opened on the lower guide block 35, the guide rod 37 is located right above the guide hole 352, the guide rod 37 is fixedly arranged on the upper mold 10, and the upper end is inclined to the side of the injection molding cavity 40; the upper die 10 drives the upper guide block 34 to move downward, and drives the guide rod 37 to move downward synchronously, so that the lower end of the guide rod 37 is inserted into the guide hole 352. The guide rod 37 is inserted into the guide hole 352 before the first guide inclined plane 341 contacts with the second guide inclined plane 351 to guide the lower guide block 35, so that the first guide inclined plane 341 contacts with the second guide inclined plane 351 more smoothly, and the lower guide block 35 moves more smoothly. Further preferably, the lower end of the guide rod 37 remains inserted into the guide hole 352 when the upper die 10 and the lower die 20 are separated to the maximum position. And the lower end face 371 of the guide rod 37 is preferably spherical. Through setting up guide rod 37 and remain all the time in guide hole 352, the injection molding shaping of each size range of adaptation that this structure can be better is processed for side forming die can be quick, smooth and easy response, avoids leading unsmooth leading to the jam problem. In addition, in this embodiment, the guide assemblies are preferably symmetrically arranged at two sides of the lower guide block 35, so that the lower guide block 35 is stressed uniformly, the deflection problem is avoided, and the precision is improved.
Compared with the prior art, the utility model has the following outstanding and beneficial technical effects: the side hole forming assembly is arranged at the side of the injection molding cavity; meanwhile, a reset component is arranged, when the upper guide block drives the upper guide block to move towards the direction where the injection molding cavity is located, the force accumulation of the reset component is realized, and in the process of opening the upper and lower molds, the upper guide block is separated from the lower guide block, so that the reset component drives the lower guide block to return to the initial position, and interference is not generated to subsequent demolding
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. Side hole forming assembly for injection mold, go up mould (10) and bed die (20) and enclose injection molding die cavity (40), side hole forming assembly (30) are located injection molding die cavity (40) side, its characterized in that: the side hole forming assembly (30) includes
The upper guide block (34) is fixedly arranged on an upper die (10) of the injection die;
the lower guide block (35) is movably arranged on a lower die (20) of the injection die; the lower guide block (35) is positioned below the upper guide block (34), and the upper guide block (34) and the lower guide block (35) are respectively provided with a first guide inclined surface (341) and a second guide inclined surface (351) at opposite sides thereof; the side forming die (38) is fixedly arranged on the lower guide block (35) and deviates from the side of the second guide inclined plane (351);
a reset assembly; the movable end of the resetting component is connected with the lower guide block (35); the upper die (10) drives the upper guide block (34) to move downwards, and the first guide inclined surface (341) is in contact with the second guide inclined surface (351), so that the lower guide block (35) drives the side forming die (38) to move into the injection molding cavity (40).
2. A side hole molding assembly for an injection mold as set forth in claim 1, wherein: the injection molding machine further comprises a guide assembly, wherein the guide assembly comprises a guide rod (37) and a guide hole (352) formed in the lower guide block (35), the guide rod (37) is positioned right above the guide hole (352), the guide rod (37) is fixedly arranged on the upper die (10), and the upper end of the guide rod is inclined to the side where the injection molding cavity (40) is located; the upper die (10) drives the upper guide block (34) to move downwards and drives the guide rod (37) to move downwards synchronously, so that the lower end of the guide rod (37) is inserted into the guide hole (352).
3. A side hole molding assembly for an injection mold as set forth in claim 2, wherein: the lower end of the guide rod (37) remains inserted into the guide hole (352) when the upper die (10) and the lower die (20) are separated to the maximum position.
4. A side hole molding assembly for an injection mold as set forth in claim 3, wherein: the lower end face (371) of the guide rod (37) is spherical.
5. A side hole molding assembly for an injection mold as set forth in claim 2, wherein: the guide assemblies are symmetrically arranged in two.
6. A side hole molding assembly for an injection mold as set forth in claim 1, wherein: the resetting assembly comprises a pressure spring (32) and a pull rod (33), and one end of the pull rod (33) penetrates through the pressure spring (32) and is connected to the lower guide block (35); when the lower guide block (35) drives the side forming die (38) to move into the injection molding cavity (40), the pull rod (33) compresses the pressure spring (32).
7. The side hole molding assembly for an injection mold according to claim 6, wherein: the device further comprises a supporting block (31), wherein the supporting block (31) comprises a pressure spring accommodating cavity (312), and the pressure spring (32) and the pull rod (33) are accommodated in the pressure spring accommodating cavity (312); the pull rod (33) penetrates through the pressure spring (32) and then penetrates out of one end of the supporting block (31) to be connected with the lower guide block (35).
8. The side hole molding assembly for an injection mold according to claim 7, wherein: the support block (31) is fixedly arranged on the lower die (20) at one end of the pull rod (33) penetrating out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320882301.6U CN219727090U (en) | 2023-04-14 | 2023-04-14 | Side hole forming assembly for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320882301.6U CN219727090U (en) | 2023-04-14 | 2023-04-14 | Side hole forming assembly for injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219727090U true CN219727090U (en) | 2023-09-22 |
Family
ID=88027422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320882301.6U Active CN219727090U (en) | 2023-04-14 | 2023-04-14 | Side hole forming assembly for injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219727090U (en) |
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2023
- 2023-04-14 CN CN202320882301.6U patent/CN219727090U/en active Active
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