CN220095356U - Two-shot forming double-colored mould of area guide rail latch segment division mould - Google Patents
Two-shot forming double-colored mould of area guide rail latch segment division mould Download PDFInfo
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- CN220095356U CN220095356U CN202321360182.4U CN202321360182U CN220095356U CN 220095356 U CN220095356 U CN 220095356U CN 202321360182 U CN202321360182 U CN 202321360182U CN 220095356 U CN220095356 U CN 220095356U
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- guide rail
- block
- die
- movable locking
- upper die
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- 238000001746 injection moulding Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a secondary molding double-color mold with a guide rail locking block for opening the mold, which comprises two lower molds arranged on a turntable, wherein a first upper mold and a second upper mold are respectively arranged above the two lower molds, the lower molds comprise lower templates, a left movable mold plate and a right movable mold plate which can be mutually opened and closed are arranged on the lower templates, the lower mold cavity is positioned between the left movable mold plate and the right movable mold plate, a left slot is arranged on the outer side of the left movable mold plate, left movable locking blocks are arranged on two sides of the left slot, and the left movable locking blocks can elastically retract into the side surfaces of the left slot; the inner side surface of the left movable locking piece is a first left inclined surface, and the first left inclined surface of the movable locking piece and the inner side surface of the left slot form a left guide rail gap. The utility model has the beneficial effects that: the product using the double-color die is formed in two times, the two-time formed product is formed in an upper die, the die adopts the double-color die, the left movable die plate and the right movable die plate of the lower die are fixed after the first forming is finished, and the lower die slide block is automatically opened after the two-time forming without hydraulic assistance.
Description
Technical Field
The utility model relates to an improvement of a bicolor mould.
Background
Bicolor molding is to mix particles of different materials together to form a plastic article. The process is complex, and special bicolor dies are needed to be used for processing. Such a mold may be simultaneously injected with two different colored materials so that the surface of the article may exhibit two different colors. The molding technology is widely applied to the manufacture of shells of various electronic products such as mobile phones, tablet computers, digital cameras and the like.
The double-color mold is made by a double-linkage injection molding machine, namely, two injection modules are hung on one injection molding machine. In the molding process, a first color material is injected into a first module for molding, a second color material is added into a second module, and the two modules work together to cover the second material on the first material, so that a bicolor mold molded product is formed. However, in the process of machining, an independent hydraulic cylinder is generally used to drive the mold to open and close, so that the whole mold is larger in size, and the complexity of the mold is increased by a liquid path system, so that the failure rate is high for a long time.
Disclosure of Invention
In order to overcome the defect that the volume of an active die opening hydraulic cylinder is larger in the conventional secondary molding double-color die, the utility model provides a secondary molding double-color die with a guide rail locking block for die opening.
The technical scheme for solving the technical problems is as follows: the two-shot forming double-color mold with the guide rail locking block for opening the mold comprises two lower molds arranged on a turntable, wherein a first upper mold and a second upper mold are respectively arranged above the two lower molds, the lower molds comprise lower templates, a left movable mold plate and a right movable mold plate which can be mutually opened and closed are arranged on the lower templates, the lower mold cavity is positioned between the left movable mold plate and the right movable mold plate, a left slot is arranged on the outer side of the left movable mold plate, left movable locking blocks are arranged on two sides of the left slot, and the left movable locking blocks can elastically retract into the side surfaces of the left slot; the inner side surface of the left movable locking piece is a first left inclined surface, and the first left inclined surface of the movable locking piece and the inner side surface of the left slot form a left guide rail gap; the turntable can drive the two lower dies to be clamped and injection molded with the first upper die and the second upper die in turn.
A right slot is formed in the outer side of the right movable template, right movable locking pieces are arranged on two sides of the right slot, and the right movable locking pieces can elastically retract into the side face of the right slot; the inner side surface of the right movable locking piece is an inclined surface, and the inclined surface of the right movable locking piece and the inner side surface of the right slot form a right guide rail gap;
a first upper die plate is arranged below the first upper die, a first upper die cavity is arranged on the first upper die plate, a group of first left wedge blocks and first right wedge blocks are arranged on two sides of the first upper die, and when the upper die and the lower die are assembled, the first left wedge blocks are inserted into the left slots, and the first right wedge blocks are inserted into the right slots;
a second upper die plate is arranged below the second upper die, a second upper die cavity is arranged on the second upper die plate, a group of second left wedge blocks and second right wedge blocks are arranged on two sides of the second upper die, oblique left guide rail strips are arranged on two sides of the second left wedge blocks, and oblique right guide rail strips are arranged on two sides of the second right wedge blocks; when the upper die and the lower die are closed, the second left wedge block is inserted into the left slot, the second right wedge block is inserted into the right slot, the left guide rail strip enters the left guide rail gap, and the right guide rail strip enters the right guide rail gap;
when the second upper die and the lower die are separated, the left guide rail strip and the right guide rail strip are in contact with the inner side surfaces of the left movable locking piece and the right movable locking piece, and the left movable die plate and the right movable die plate are driven to be separated left and right.
The second left wedge block and the second right wedge block can be provided with locking block mounting grooves on two sides of the left slot and the right slot, the left movable locking block and the right movable locking block are mounted in the locking block mounting grooves on the two sides of the locking block, and the back surfaces of the left movable locking block and the right movable locking block are provided with locking block springs for providing rebound.
The utility model provides a mounting means of fixed locking piece, the locking piece mounting groove upside is equipped with a fixed block, spacing left movable locking piece of fixed block and right movable locking piece.
The utility model provides a setting condition of left movable locking piece, left movable locking piece includes a basic block, the basic block rear side is equipped with the spring groove, the locking piece spring is located the spring groove, the front side of basic block is equipped with a spring bolt, first left inclined plane is located the spring bolt inboard. The principle of the right movable locking piece is consistent with that of the left movable locking piece.
In order to guide the left wedge block and the right wedge block to be smoothly inserted into the left slot and the right slot, lower guide inclined planes are arranged on the lower sides of the left guide rail bar and the right guide rail bar, and upper guide inclined planes are arranged on the upper sides of the left movable locking block and the right movable locking block. Thus, in the mold closing process, the left movable locking piece and the right movable locking piece can retract.
The first upper die and the second upper die are different in that the second upper die cavity is increased by a second injection molding space compared with the first upper die cavity, the first color plastic injection molding is realized when the first upper die is closed, the second color plastic injection molding is realized when the second upper die is closed, and the injection molding of the whole workpiece is completed.
In order to enable the first left wedge block and the first right wedge block to be opened smoothly, smooth surfaces are arranged on two sides of the first left wedge block and the first right wedge block. The smooth surface forms a clearance, so that the left movable mould plate and the right movable mould plate are not moved when the wedge block is pulled out.
When the injection molding machine is used, the first upper die and the lower die are clamped, the first left wedge block and the first right wedge block on the first upper die are inserted into the left slot and the right slot, and the first injection molding is started after the upper die cavity and the lower die cavity are clamped; and then the first upper die and the lower die are separated, and as the side surfaces of the first left wedge block and the first right wedge block are provided with clearance, the left movable module and the right movable module are not driven to be separated when the first left wedge block and the first right wedge block are lifted.
Then the revolving stage rotates half circle, go up the mould with the second through the lower mould after the first injection moulding and carry out the compound die, left slot and right slot are inserted to second left voussoir and second right voussoir, pour into the second look into, then divide the mould, divide the in-process of mould, because the guide rail strip on the left voussoir gets into left guide rail space, the inclined plane of left movable locking piece inboard can be extruded on the guide rail strip to drive left movable mould board left side, right movable mould board carries out the right side to same reason, thereby when dividing the mould, the lower die cavity is automatic to be opened and expose the double-colored product of the inside shaping, convenient taking out.
The utility model has the beneficial effects that: the product using the double-color die is formed in two times, the two-time formed product is formed in an upper die, the die adopts the double-color die, the left movable die plate and the right movable die plate of the lower die are fixed after the first forming is finished, and the lower die slide block is automatically opened after the two-time forming without hydraulic assistance.
Drawings
FIG. 1 is a schematic representation of the product of the present utility model.
FIG. 2 is a schematic illustration of the product of the present utility model with the first and second color injection molded portions separated. Wherein the first color injection molded portion 32 and the second color injection molded portion 33.
FIG. 3 is a schematic diagram of one embodiment.
FIG. 4 is a schematic diagram of a lower die according to one embodiment.
Fig. 5 is a schematic view of a left movable lock block of one embodiment.
Fig. 6 is a schematic view of an embodiment lower die with a first left wedge and a first right wedge.
Fig. 7 is a schematic diagram of a first upper die of an embodiment.
Fig. 8 is a schematic diagram of a second upper die according to an embodiment.
Fig. 9 is an open schematic of the lower die of one embodiment.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Example 1
Referring to fig. 1 to 9, a two-shot forming double-shot forming die with a guide rail locking block for opening the die comprises two lower dies 2 arranged on a rotary table 1, wherein a first upper die 3 and a second upper die 4 are respectively arranged above the two lower dies 2, the lower dies 2 comprise a lower die plate 5, a left movable die plate 6 and a right movable die plate 7 which can be mutually opened and closed are arranged on the lower die plate 5, the lower die cavity is positioned between the left movable die plate 6 and the right movable die plate 7, a left slot 8 is arranged at the outer side of the left movable die plate 6, left movable locking blocks 9 are arranged at two sides of the left slot 8, and the left movable locking blocks 9 can be elastically retracted into the side surfaces of the left slot 8; the inner side surface of the left movable locking piece 9 is a first left inclined surface 10, and the first left inclined surface 10 of the movable locking piece and the inner side surface of the left slot 8 form a left guide rail gap 11; the turntable 1 drives the two lower dies 2 to be clamped and injection molded with the first upper die 3 and the second upper die 4 in turn.
The outer side of the right movable template 7 is provided with a right slot 12, two sides of the right slot 12 are provided with right movable locking pieces 13, and the right movable locking pieces 13 can elastically retract into the side surface of the right slot 12; the inner side surface of the right movable locking piece 13 is an inclined surface, and the inclined surface of the right movable locking piece 13 and the inner side surface of the right slot 12 form a right guide rail gap;
a first upper die plate 14 is arranged below the first upper die 3, a first upper die cavity 15 is arranged on the first upper die plate 14, a group of first left wedge blocks 16 and first right wedge blocks 17 are arranged on two sides of the first upper die 3, when the upper die and the lower die are assembled, the first left wedge blocks 16 are inserted into the left slots 8, and the first right wedge blocks 17 are inserted into the right slots 12;
a second upper die plate 18 is arranged below the second upper die 4, a second upper die cavity 19 is arranged on the second upper die plate 18, a group of second left wedge blocks 20 and second right wedge blocks 21 are arranged on two sides of the second upper die 4, oblique left guide rail strips 22 are arranged on two sides of the second left wedge blocks 20, and oblique right guide rail strips 23 are arranged on two sides of the second right wedge blocks 21; when the upper die and the lower die are closed, the second left wedge block 20 is inserted into the left slot 8, the second right wedge block 21 is inserted into the right slot 12, the left guide rail strip 22 enters the left guide rail gap 11, and the right guide rail strip 23 enters the right guide rail gap;
when the second upper die 4 and the lower die 2 are separated, the left guide rail strip 22 and the right guide rail strip 23 are in contact with the inner side surfaces of the left movable locking piece 9 and the right movable locking piece 13, so that the left movable die plate 6 and the right movable die plate 7 are driven to be separated left and right.
The second left wedge block 20 and the second right wedge block 21 can be provided with locking block mounting grooves on two sides of the left slot 8 and the right slot 12, the left movable locking block 9 and the right movable locking block 13 are mounted in the locking block mounting grooves of the locking blocks on two sides, and the back surfaces of the left movable locking block 9 and the right movable locking block 13 are provided with locking block springs 24 for providing rebound.
The installation mode of fixed locking piece, the locking piece mounting groove upside is equipped with a fixed block 25, the spacing left movable locking piece 9 of fixed block 25 and the spacing right movable locking piece 13.
The setting condition of left movable locking piece 9, left movable locking piece 9 includes a basic block 26, basic block 26 rear side is equipped with the spring groove, locking piece spring 24 is located the spring groove, the front side of basic block 26 is equipped with a spring bolt 27, first left inclined plane 10 is located the spring bolt 27 inboard. The principle of the right movable locking piece 13 is consistent with that of the left movable locking piece 9.
In order to guide the left wedge block and the right wedge block to be smoothly inserted into the left slot 8 and the right slot 12, lower guide inclined planes 28 are arranged on the lower sides of the left guide rail bar 22 and the right guide rail bar 23, and upper guide inclined planes 29 are arranged on the upper sides of the left movable locking block 9 and the right movable locking block 13. So that the left movable lock piece 9 and the right movable lock piece 13 retract during the mold closing process.
The first upper die 3 is different from the second upper die 4 in that the second upper die cavity 19 is increased by a second injection space 30 compared with the first upper die cavity 15, the first color plastic injection is realized when the first upper die 3 is closed, the second color plastic injection is realized when the second upper die 4 is closed, and the injection of the whole workpiece is completed.
In order to enable smooth die opening of the first left wedge block 16 and the first right wedge block 17, smooth surfaces 31 are arranged on two sides of the first left wedge block 16 and the first right wedge block 17. The smooth surface 31 forms a clearance so that the left and right movable templates 6 and 7 are not moved when the wedge is withdrawn.
When the injection molding machine is used, the first upper die 3 and the lower die 2 are clamped, the first left wedge block 16 and the first right wedge block 17 on the first upper die 3 are inserted into the left slot 8 and the right slot 12, and the first injection molding is started after the upper die cavity and the lower die 2 cavity are clamped; then the first upper die 3 and the lower die 2 are separated, and as the side surfaces of the first left wedge block 16 and the first right wedge block 17 are provided with clearance, the first left wedge block 16 and the first right wedge block 17 do not drive the left movable die block and the right movable die block to be separated when lifted.
Then the revolving stage 1 rotates half circle, and lower mould 2 and second after the injection moulding carry out the compound die with second last mould 4, and second left voussoir 20 and second right voussoir 21 insert left slot 8 and right slot 12, pour into the second look into, then divide the mould, divide the in-process of mould, because the guide rail strip on the left voussoir gets into left guide rail space 11, the inclined plane of left movable locking piece 9 inboard can be extruded on the guide rail strip to drive left movable mould board 6 left side, right movable mould board 7 carries out the right side and moves in the same way, thereby when dividing the mould, the lower die cavity is automatic to be opened and expose the double-colored product of the shaping of inside, convenient taking out.
The utility model has the beneficial effects that: the product using the double-color die is formed in two times, the two-time formed product is formed in an upper die, the die adopts the double-color die, the left movable die plate and the right movable die plate of the lower die are fixed after the first forming is finished, and the lower die slide block is automatically opened after the two-time forming without hydraulic assistance.
Claims (7)
1. A take two look moulds of secondary shaping of guide rail latch segment die sinking which characterized in that: the rotary table comprises two lower dies arranged on the rotary table, wherein a first upper die and a second upper die are respectively arranged above the two lower dies, the lower dies comprise lower dies, a left movable die plate and a right movable die plate which can be mutually opened and closed are arranged on the lower dies, the lower die cavity is positioned between the left movable die plate and the right movable die plate, a left slot is arranged on the outer side of the left movable die plate, left movable locking blocks are arranged on two sides of the left slot, and the left movable locking blocks can elastically retract into the side surfaces of the left slot; the inner side surface of the left movable locking piece is a first left inclined surface, and the first left inclined surface of the movable locking piece and the inner side surface of the left slot form a left guide rail gap;
a right slot is formed in the outer side of the right movable template, right movable locking pieces are arranged on two sides of the right slot, and the right movable locking pieces can elastically retract into the side face of the right slot; the inner side surface of the right movable locking piece is an inclined surface, and the inclined surface of the right movable locking piece and the inner side surface of the right slot form a right guide rail gap; a first upper die plate is arranged below the first upper die, a first upper die cavity is arranged on the first upper die plate, a group of first left wedge blocks and first right wedge blocks are arranged on two sides of the first upper die, and when the upper die and the lower die are assembled, the first left wedge blocks are inserted into the left slots, and the first right wedge blocks are inserted into the right slots; a second upper die plate is arranged below the second upper die, a second upper die cavity is arranged on the second upper die plate, a group of second left wedge blocks and second right wedge blocks are arranged on two sides of the second upper die, oblique left guide rail strips are arranged on two sides of the second left wedge blocks, and oblique right guide rail strips are arranged on two sides of the second right wedge blocks; when the upper die and the lower die are closed, the second left wedge block is inserted into the left slot, the second right wedge block is inserted into the right slot, the left guide rail strip enters the left guide rail gap, and the right guide rail strip enters the right guide rail gap; when the second upper die and the lower die are separated, the left guide rail strip and the right guide rail strip are in contact with the inner side surfaces of the left movable locking piece and the right movable locking piece, and the left movable die plate and the right movable die plate are driven to be separated left and right.
2. The two-shot mold with rail lock block opening mold according to claim 1, wherein: the left slot and the right slot are provided with locking piece installation grooves on two sides, the left movable locking piece and the right movable locking piece are installed in the locking piece installation grooves on the locking pieces on two sides, and the back surfaces of the left movable locking piece and the right movable locking piece are provided with locking piece springs for providing rebound.
3. The two-shot mold with rail lock block opening mold according to claim 2, wherein: the upper side of the locking block installation groove is provided with a fixed block, and the fixed block is used for limiting the left movable locking block and the right movable locking block.
4. A two-shot mold with rail lock block opening as claimed in claim 3, wherein: the left movable locking block comprises a base block, a spring groove is formed in the rear side of the base block, a locking block spring is located in the spring groove, a lock tongue is arranged on the front side of the base block, and a first left inclined surface is located on the inner side of the lock tongue.
5. The two-shot mold with rail lock block opening mold according to claim 1, wherein: the lower sides of the left guide rail strip and the right guide rail strip are provided with lower guide inclined planes, and the upper sides of the left movable locking block and the right movable locking block are provided with upper guide inclined planes.
6. The two-shot mold with rail lock block opening mold according to claim 1, wherein: the second upper mold cavity increases a second injection molding space over the first upper mold cavity.
7. The two-shot mold with rail lock block opening mold according to claim 1, wherein: and smooth surfaces are arranged on two sides of the first left wedge block and the first right wedge block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360182.4U CN220095356U (en) | 2023-05-31 | 2023-05-31 | Two-shot forming double-colored mould of area guide rail latch segment division mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321360182.4U CN220095356U (en) | 2023-05-31 | 2023-05-31 | Two-shot forming double-colored mould of area guide rail latch segment division mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220095356U true CN220095356U (en) | 2023-11-28 |
Family
ID=88870668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321360182.4U Active CN220095356U (en) | 2023-05-31 | 2023-05-31 | Two-shot forming double-colored mould of area guide rail latch segment division mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220095356U (en) |
-
2023
- 2023-05-31 CN CN202321360182.4U patent/CN220095356U/en active Active
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