CN219705870U - Bicolor injection molding product - Google Patents
Bicolor injection molding product Download PDFInfo
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- CN219705870U CN219705870U CN202320634387.0U CN202320634387U CN219705870U CN 219705870 U CN219705870 U CN 219705870U CN 202320634387 U CN202320634387 U CN 202320634387U CN 219705870 U CN219705870 U CN 219705870U
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- injection molding
- injection
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- groove
- piece
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 122
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 230000007423 decrease Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the field of injection products, and discloses a double-shot injection product which comprises a first injection molding piece and a second injection molding piece, wherein an inserting groove is formed in the upper side of the first injection molding piece, an inserting block which is in inserting fit with the inserting groove is arranged on the second injection molding piece, and a supporting block for abutting against the second injection molding piece is further arranged on the first injection molding piece. The utility model has the effects of improving the firmness of the joint of the double-shot injection product and ensuring the service life of the product.
Description
Technical Field
The utility model relates to the field of injection products, in particular to a double-shot injection product.
Background
At present, the double-color injection molding technology is also called as a double-material injection molding technology, which is a technology for forming plastic products by using two plastic materials in a mixed injection molding mode, and the technology is characterized in that a mold assembly is used for shaping, and welding of molding work is performed in a mold, so that the basic principle is to plasticize and mold two different plastic raw materials, and then the mold is used for welding and installing, so that the aim of double-color injection molding is fulfilled.
In the prior art, a double-colored injection mold comprises a first forming mold and a second forming mold, wherein a first mold cavity for a first double-colored mold is formed in the first forming mold, a second mold cavity is formed in the second forming mold, and a fixing cavity for fixing the first double-colored mold and a forming cavity for forming a second double-colored mold are formed in the second mold cavity. When the device is used, a first double-color mold is manufactured through a first mold cavity, then the first double-color mold is installed in a fixed cavity, and then injection molding of a forming cavity is performed; the upper side of the first bicolor mould is a plane, and the second bicolor mould is stuck with the plane on the first bicolor mould during injection molding, so that the first bicolor mould and the second bicolor mould are fixedly connected.
For the related art in the foregoing, when the first bicolor mold and the second bicolor mold are manufactured, the connection position is generally set to be planar connection due to the convenience of demolding, and connection of the bicolor molded product is realized through viscosity of plastic, but when the design is adopted, when the product is subjected to bending moment force or impact, the product is easily damaged, so that stability of the product is affected, and improvement is needed.
Disclosure of Invention
In order to improve the firmness of the joint of the two-shot injection product and ensure the service life of the product, the utility model provides the two-shot injection product.
The utility model provides a double-shot injection product which adopts the following technical scheme:
the utility model provides a double-colored injection molding product, includes first injection molding and second injection molding, the jack groove has been seted up to first injection molding upside, be provided with on the second injection molding with jack groove grafting complex grafting piece, still be provided with on the first injection molding and be used for supporting tightly the supporting shoe of second injection molding.
By adopting the technical scheme, when injection molding is carried out, the inserting groove and the supporting block are formed on the first injection molding piece, subsequent processing of the second injection molding piece is carried out, and the second injection molding piece tightly connected with the first injection molding piece is formed according to the positions of the inserting groove and the abutting block, so that the processing and manufacturing of the double-color injection molding product are completed; by adopting the design, the contact area of the joint of the double-shot injection product can be greatly increased, so that the double-shot injection product can be connected and fixed more tightly, and the supporting block can play a role in supporting and limiting the second injection molding part in cooperation, so that the damage to the structure of the joint can be reduced when the double-shot injection product is bent, and the service life of the double-shot injection product is ensured.
Preferably, the two side walls of the plugging groove are arranged at an included angle, and the width of the plugging groove is gradually increased in the direction close to the second injection molding part.
Through adopting above-mentioned technical scheme, adopt the spliced groove that is the contained angle and is provided with, can make first injection molding carry out the drawing of patterns more conveniently on the one hand, on the other hand through improving the area of contact of spliced block and spliced groove, improve the firmness of being connected between first injection molding and the second injection molding, ensure the stability that the product was used.
Preferably, a first boss is arranged on the first injection molding piece, and an abutting groove abutting against the first boss is formed in the side edge of the second injection molding piece.
Through adopting above-mentioned technical scheme, the butt recess of first boss and edge position can play the effect of support when the product receives moment of flexure, reduces the damage to product junction, ensures product life.
Preferably, the second injection molding side wall is integrally provided with a second boss, and the abutting boss is close to the side wall of the first injection molding and is fixed on the first boss.
Through adopting above-mentioned technical scheme, increase the area of contact that the second injection molding is close to first injection molding one end, can increase the area of contact of double-colored injection molding product junction on the one hand, on the other hand can improve the ability of bending moment resistance between first injection molding and the second injection molding, improve the firmness that uses double-colored injection molding product.
Preferably, the bottom of the plugging groove is provided with a first chamfer, and the position of the opening of the plugging groove is provided with a second chamfer.
Through adopting above-mentioned technical scheme, can make the contact that spliced block and spliced groove can be better, and can be more smooth and easy when processing first injection molding, improve the convenience of product processing.
Preferably, a plurality of positioning blocks are arranged on the supporting block. And a plurality of positioning grooves which are in plug-in fit with the positioning blocks are formed in the second injection molding piece.
Through adopting above-mentioned technical scheme, use locating piece and constant head tank grafting cooperation, can increase the joint strength of supporting shoe and second injection molding, improve the ability of supporting shoe and second injection molding junction's bending moment of resisting, improve the holistic firmness of product, ensure the life of product.
Preferably, the outer diameter of the positioning block gradually decreases along the direction away from the supporting block.
Through adopting above-mentioned technical scheme, can make first injection molding carry out the drawing of patterns more conveniently, improve the convenience of processing first injection molding.
Preferably, the side wall of the inserting groove is provided with a plurality of connecting grooves, the connecting grooves penetrate through the side wall of the first injection molding part, which is close to the side wall of the second injection molding part, and the second injection molding part is provided with a connecting plug block which is in inserting fit with the connecting grooves.
Through adopting above-mentioned technical scheme, connect the inserted block and be in the same place with inserted block fixed connection, can play the effect of mutual assistance to can cooperate the firmness of processing double-colored injection molding product junction better.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the contact area of the joint of the double-color injection molding product can be greatly increased through the matching of the plug block and the plug groove, so that the joint can be connected and fixed more tightly, and the supporting block can play a role in supporting and limiting the second injection molding part through the matching, so that the damage to the structure of the joint can be reduced when the double-color injection molding product is bent, and the service life of the double-color injection molding product is ensured;
2. the inserting grooves formed in the included angles are adopted, so that the first injection molding piece can be demolded more conveniently, the contact area between the inserting blocks and the inserting grooves is increased, the firmness of connection between the first injection molding piece and the second injection molding piece is improved, and the use stability of products is ensured;
3. the positioning block is matched with the positioning groove in an inserting manner, so that the connection strength of the supporting block and the second injection molding piece can be increased, the bending moment resistance of the connection part of the supporting block and the second injection molding piece is improved, the overall firmness of a product is improved, and the service life of the product is ensured.
Drawings
Fig. 1 is a cross-sectional view of a two-shot injection molded product of example 1 of the present utility model.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
Fig. 3 is a cross-sectional view showing the junction of the first injection-molded part and the second injection-molded part in a highlighted manner according to embodiment 2 of the present utility model.
Reference numerals: 1. a first injection molded part; 2. a second injection molded part; 3. a first boss; 4. a plug block; 5. a plug-in groove; 6. a support block; 7. a second boss; 8. abutting the groove; 9. a second chamfer; 10. a first chamfer; 11. a connecting groove; 12. connecting the plug blocks; 13. a positioning groove; 14. and (5) positioning blocks.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a double-shot injection product.
Example 1:
referring to fig. 1 and 2, a two-shot injection product comprises a first injection molding piece 1 and a second injection molding piece 2, wherein the first injection molding piece 1 and the second injection molding piece 2 are made of plastic materials through injection molding. The spliced groove 5 has been seted up to first injection molding 1 upside, and spliced groove 5 both sides wall is the contained angle setting, and spliced groove 5 width increases gradually along the direction that is close to second injection molding 2, and its length direction sets up along the length direction of first injection molding 1 and second injection molding 2 contact position. The bottom of the inserting groove 5 is provided with a first chamfer 10, and the position of the opening of the inserting groove 5 is provided with a second chamfer 9. The second injection molding part 2 is integrally provided with a plug block 4 which is in plug fit with the plug groove 5, and the plug block 4 is processed in a second molding die, so that the plug block 4 is adhered to the inner wall of the plug groove 5. The upper side of the first injection molding piece 1 is also integrally formed with a supporting block 6 for propping against the second injection molding piece 2, the supporting block 6 is a rectangular block, and the supporting block 6 is provided with an edge position of the first injection molding piece 1, which is close to the second injection molding piece 2, for supporting the second injection molding piece 2.
The first injection molding piece 1 is integrally formed with a first boss 3, the cross section of the first boss 3 is boss-shaped, the width of the cross section of the first boss is gradually reduced along the direction away from the first injection molding piece 1, and the length direction of the first boss 3 is consistent with the length direction of the inserting groove 5. The second injection molding 2 lateral wall is offered and is offered the butt recess 8 with the butt of second boss 7, and first boss 3 butt adhesion is in butt recess 8 lateral wall, and the partial first boss 3 exposes in the outside. The second injection molding 2 is close to the lateral wall integrated into one piece of first injection molding 1 and has second boss 7, and its cross-section width reduces gradually along the direction of keeping away from second injection molding 2, and the length direction of second boss 7 is unanimous with the length direction of first boss 3. The side of the second boss 7, which is close to the first injection molding piece 1, is fixedly adhered to the first boss 3. The contact area of the first injection molding piece 1 and the second injection molding piece 2 can be increased through the first boss 3 and the second boss 7, so that the firmness of connection of the first injection molding piece 1 and the second injection molding piece 2 can be improved.
The implementation principle of the embodiment 1 is as follows: the first injection molding piece 1 is manufactured through the first forming die, the inserting groove 5, the first boss 3 and the supporting block 6 are formed, the second injection molding piece 2 is manufactured through the second forming die, and the first injection molding piece 1 is connected with the second injection molding piece 2. Through grafting groove 5 and grafting piece 4 cooperation, use supporting shoe 6 to support second injection molding 2, the first boss 3 of cooperation again and second boss 7 have improved the area of contact of first injection molding 1 with second injection molding 2 greatly to ensured the convenience that first injection molding 1 and second injection molding 2 were moulded plastics, ensured the holistic fastness of product, improved the life of product.
Example 2:
referring to fig. 3, a two-shot injection molding product is different from embodiment 1 in that a plurality of positioning blocks 14 are integrally formed on the supporting block 6, the positioning blocks 14 are in a truncated cone shape, the outer diameter of the positioning blocks is gradually reduced along the direction away from the supporting block 6, and the positioning blocks 14 are arranged at intervals along the length direction of the supporting block 6. The second injection molding part 2 is provided with a plurality of positioning grooves 13 which are in plug-in fit with the positioning blocks 14. The connecting groove 11 has been seted up to the lateral wall of grafting groove 5, and connecting groove 11 width increases gradually along the direction that is close to second injection molding 2, and connecting groove 11 runs through the lateral wall that first injection molding 1 is close to second injection molding 2, and integrated into one piece has the connection inserted block 12 with connecting groove 11 grafting complex on the second injection molding 2.
The implementation principle of the embodiment 2 is as follows: the difference from embodiment 1 is that the positioning block 14 and the connecting groove 11 are formed on the first injection molding piece 1, so that the first injection molding piece 1 can have a larger contact area, and the connection firmness of the first injection molding piece 1 and the second injection molding piece 2 is improved.
The above embodiments are not intended to limit the scope of the present utility model, so: 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. A two-shot injection molded product, characterized in that: including first injection molding (1) and second injection molding (2), grafting groove (5) have been seted up to first injection molding (1) upside, be provided with on second injection molding (2) with grafting groove (5) grafting complex grafting piece (4), still be provided with on first injection molding (1) and be used for supporting tightly supporting piece (6) of second injection molding (2).
2. A two-shot injection molded product according to claim 1, wherein: the two side walls of the inserting groove (5) are arranged at an included angle, and the width of the inserting groove (5) is gradually increased in the direction close to the second injection molding part (2).
3. A two-shot injection molded product according to claim 2, wherein: the injection molding device is characterized in that a first boss (3) is arranged on the first injection molding piece (1), and an abutting groove (8) abutting with the first boss (3) is formed in the side edge of the second injection molding piece (2).
4. A two-shot injection molded product according to claim 3, wherein: the side wall of the second injection molding (2) is integrally formed with a second boss (7), and the second boss (7) is close to the side wall of the first injection molding (1) and is fixed on the first boss (3).
5. A two-shot injection molded product according to claim 1, wherein: the bottom of the inserting groove (5) is provided with a first chamfer (10), and the position of the opening of the inserting groove (5) is provided with a second chamfer (9).
6. A two-shot injection molded product according to claim 1, wherein: a plurality of positioning blocks (14) are arranged on the supporting block (6), and a plurality of positioning grooves (13) which are in plug-in fit with the positioning blocks (14) are formed in the second injection molding part (2).
7. A dual color injection molded product as claimed in claim 6, wherein: the outer diameter of the positioning block (14) gradually decreases along the direction away from the supporting block (6).
8. A dual color injection molded product as claimed in claim 7, wherein: the side wall of the inserting groove (5) is provided with a plurality of connecting grooves (11), the connecting grooves (11) penetrate through the side wall of the first injection molding (1) close to the side wall of the second injection molding (2), and the second injection molding (2) is provided with a connecting plug block (12) which is in plug connection with the connecting grooves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320634387.0U CN219705870U (en) | 2023-03-24 | 2023-03-24 | Bicolor injection molding product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320634387.0U CN219705870U (en) | 2023-03-24 | 2023-03-24 | Bicolor injection molding product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219705870U true CN219705870U (en) | 2023-09-19 |
Family
ID=87976411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320634387.0U Active CN219705870U (en) | 2023-03-24 | 2023-03-24 | Bicolor injection molding product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219705870U (en) |
-
2023
- 2023-03-24 CN CN202320634387.0U patent/CN219705870U/en active Active
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