CN106626258B - Cold runner injection mold - Google Patents
Cold runner injection mold Download PDFInfo
- Publication number
- CN106626258B CN106626258B CN201710020655.9A CN201710020655A CN106626258B CN 106626258 B CN106626258 B CN 106626258B CN 201710020655 A CN201710020655 A CN 201710020655A CN 106626258 B CN106626258 B CN 106626258B
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- runner
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- horn
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- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 239000003292 glue Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 18
- 238000001746 injection moulding Methods 0.000 claims description 11
- 241000283690 Bos taurus Species 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 10
- 239000012778 molding material Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2756—Cold runner channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
- B29C2045/0027—Gate or gate mark locations
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a cold runner injection mold, a for making plastic products, it includes the fixed die plate, the movable mould board of setting in the fixed die plate below, and set up the last liftout plate in the movable mould board below, be equipped with cover half core and movable mould core in fixed die plate and the movable mould board respectively, form the die cavity with plastic products structure matched with between cover half core and the movable mould core, be equipped with the feeding runner in one side of die cavity, be equipped with the auxiliary runner of intercommunication between die cavity and feeding runner in the movable mould core, be equipped with the auxiliary runner of intercommunication between die cavity middle part and feeding runner in the movable mould core, it upwards extends to the middle part of die cavity bottom side to walk around the side of die cavity through the below of the side of auxiliary runner and advances to glue, the production of stress mark when the shaping of greatly reducing plastic products, and can.
Description
Technical Field
The invention relates to the field of material forming, in particular to a cold runner injection mold.
Background
Most of the existing plastic products require smooth appearance, uniform color and good texture, but for some plastic products with special structures, especially plastic products with a housing shape, in order to achieve better appearance quality, the plastic products need to be manufactured through an injection mold with a complex structure or a heat flow inverted mold with a high price, so that the manufacturing cost of the plastic products is often high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cold runner injection mold with simple structure and high reliability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cold runner injection mold comprises a fixed mold plate 200, a movable mold plate 300 arranged below the fixed mold plate 200, and an upper ejection plate 700 arranged below the movable mold plate 300, wherein a fixed mold core 210 and a movable mold core 310 are respectively arranged in the fixed mold plate 200 and the movable mold plate 300, a mold cavity 400 matched with a plastic product structure is formed between the fixed mold core 210 and the movable mold core 310, the section of the mold cavity 400 is of an inverted concave structure, a feeding runner 500 is arranged on one side of the mold cavity 400, and an auxiliary runner 610 communicated between the middle part of the mold cavity 400 and the feeding runner 500 is arranged in the movable mold core 310.
Optionally, an auxiliary ejection block 320 is disposed on the moving core 310, and the auxiliary runner 610 is disposed in the auxiliary ejection block 320.
Alternatively, the auxiliary ejector block 320 is provided obliquely in the movable mold core 310 and is slidably fitted with the movable mold core 310.
Alternatively, the auxiliary ejection block 320 includes an auxiliary runner groove 611 provided on a side surface of the auxiliary ejection block 320 and opened toward the movable mold core 310, and the open side of the auxiliary runner groove 611 is fitted to the movable mold core 310 to form the auxiliary runner 610.
Optionally, the auxiliary ejection block 320 passes through the movable platen 300 and is connected to the upper ejection plate 700.
Optionally, the feeding runner 500 includes a main runner 520 and a branch runner 530 communicated between the main runner 520 and the auxiliary runner 610, the branch runner 530 includes a horn runner 531 connected to the auxiliary runner 610 and a straight runner 532 communicated between the main runner 520 and the horn runner 531, a head end of the horn runner 531 is communicated with the straight runner 532, and a tail end of the horn runner 531 is provided with a gate 510 and is communicated with the auxiliary runner 610.
Optionally, the branch channel 530 includes two symmetrical horn inserts 540, the horn inserts 540 are butt-jointed to form a horn channel 531 and a moving die through-flow groove 532a, the horn channel 531 is of a tubular structure, the moving die through-flow groove 532a is of a groove-shaped structure with an open top side, a fixed die through-flow groove 532b matched with the moving die through-flow groove 532a is arranged on the fixed die core 210 of the fixed die plate 200, and the moving die through-flow groove 532a and the fixed die through-flow groove 532b are butt-jointed to form the through-flow channel 532 communicated between the main channel 520 and the horn channel 531.
Optionally, the auxiliary runner 610 includes a first runner 323 and a second runner 324, the first runner 323 is vertically disposed and is communicated with the middle of the cavity through the top end surface of the auxiliary ejection block 320, the second runner 324 is obliquely disposed in the auxiliary ejection block 320, one end of the second runner is communicated with the first runner 323, and the other end of the second runner is disposed on the side end surface of the auxiliary ejection block 320 and is communicated with the feeding runner 500.
Optionally, a gate 510 matched with the auxiliary flow channel 610 is arranged at the end of the feeding flow channel 500, and a molding cake 15 integrally molded with the plastic product in the cavity 400 is formed in the auxiliary flow channel 610.
The invention also provides a plastic product, which comprises an integrally injection-molded housing 12 provided with a top plate 13 and a side plate 14, wherein the side edge of the top plate 13 extends in the same direction to form the side plate 14, the top plate 13 and the side plate 14 enclose a cavity 11, one side of the cavity 11 opposite to the top plate 13 is open, the housing 12 forms a smooth outer surface 11a at the side far away from the cavity 11, the housing 12 forms an inner surface 11b at the side facing the cavity 11, and the inner surface 11b is provided with a material cake mark for removing a molding material cake 15 integrally molded during injection molding.
The cold runner injection mold of the invention bypasses the side edge of the cavity below the side edge of the cavity through the auxiliary runner and extends upwards to the middle part of the bottom side of the cavity for glue feeding, not only can evenly fill the cavity, leads the stress of the raw material to be even when the glue is fed, greatly reduces the generation of stress marks when plastic products are molded, and the cost of cold runner injection molding is lower, the production cost can be reduced while the quality of plastic products is improved, in addition, by arranging the gate at the fitting of the end of the feed runner with the auxiliary runner, rather than at the fitting of the runner with the cavity, although the molding material cake integrally molded with the plastic product in the cavity is formed in the auxiliary flow channel, the sprue residue is not left on the appearance of the plastic product after molding, and the formed material cake can be removed, the method is simple and convenient, and the generation of stress marks can be effectively reduced, so that the appearance of the plastic product is more attractive. According to the plastic product, the sprue is arranged on the molding material cake, so that the generation of stress marks is effectively reduced, the sprue residue is not left on the outer surface, the product appearance is smoother, more uniform and more attractive, the cost of cold runner injection molding is lower, and the production cost is reduced while the quality of the plastic product is improved.
Drawings
FIG. 1 is a schematic structural view of a cold runner injection mold of the present invention;
FIG. 2 is a schematic structural diagram of an auxiliary ejection block of the present invention;
FIG. 3 is another schematic structural view of the auxiliary ejection block of the present invention;
FIG. 4 is a schematic view of another structure of the auxiliary ejection block of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1;
FIG. 6 is a schematic view of the construction of the horn insert of the present invention;
FIG. 7 is a schematic structural view of a plastic article of the present invention;
FIG. 8 is a schematic cross-sectional view of a plastic article of the present invention;
fig. 9 is a partially enlarged view of fig. 3.
Detailed Description
The following provides a further description of the cold runner injection mold of the present invention with reference to the examples shown in fig. 1 to 9. The cold runner injection mold of the present invention is not limited to the description of the following embodiments.
As shown in fig. 1, the cold runner injection mold of the present invention includes a fixed mold plate 200, a movable mold plate 300 disposed below the fixed mold plate 200, and an upper ejector plate 700 disposed below the movable mold plate 300, wherein a fixed mold core 210 and a movable mold core 310 are respectively disposed in the fixed mold plate 200 and the movable mold plate 300, a cavity 400 matched with a plastic product structure is formed between the fixed mold core 210 and the movable mold core 310, a cross section of the cavity 400 is a reversed concave structure, a feeding runner 500 is disposed at one side of the cavity 400, and an auxiliary runner 610 communicated between a middle portion of the cavity 400 and the feeding runner 500 is disposed in the movable mold core 310. The auxiliary runner 610 can bypass from the lower part of the side edge of the cavity 400 and extend to the middle part of the bottom side of the cavity 400 to feed glue into the cavity 400, and is positioned in the middle part of the cavity 400, so that the cavity 400 can be uniformly filled, the stress of raw materials is uniform during glue feeding, the generation of stress marks of plastic products during molding is greatly reduced, the cost of injection molding through a cold runner is lower, and the production cost can be reduced while the quality of the plastic products is improved.
As shown in fig. 2-4, the end of the feeding channel 500 is provided with a gate 510 matching with the auxiliary channel 610, the auxiliary channel 610 is provided with a molding cake 15 integrally molded with the plastic product in the cavity 400, the gate 510 is arranged at the position connected with the auxiliary channel 610 instead of the conventional gate 510 arranged at the position matching with the cavity 400, the molding cake 15 is removed from the plastic product after demolding by mechanical cutting or manual shearing, and the like, so that no gate residue is left on the appearance of the plastic product after molding, and the molding cake 15 is removed, which is simple and convenient, and can effectively reduce the generation of stress mark to make the appearance of the plastic product smoother, uniform and beautiful.
As an embodiment of the present invention, the moving mold core 310 is provided with an auxiliary ejection block 320, the auxiliary flow channel 610 is arranged in the auxiliary ejection block 320, the top side of the auxiliary ejection block 320 is matched with the mold cavity 400, the auxiliary flow channel 610 and the gate 510 can be displaced up and down by moving the auxiliary ejection block 320, so as to break the molding material cake 15, and after molding, a plastic product integrally molded with the molding material cake 15 can be taken out conveniently, and the next glue feeding is facilitated. The auxiliary ejection block 320 is preferably driven by the upper ejection plate 700 to break the formed glutinous rice cake 15 while ejecting the finished product, but a driving device may be separately provided to drive the auxiliary ejection block 320.
The fixed mold core 210 and the movable mold core 310 form a mold core, a mold cavity 400 matched with a plastic product structure is formed between the fixed mold core 210 and the movable mold core 310, and the top of the auxiliary ejection block 320 is flush with the upper end surface of the movable mold core 310.
Furthermore, the auxiliary ejection block 320 is obliquely arranged in the moving mold core 310 and is in sliding fit with the moving mold core 310, so that the auxiliary runner 610 can move in the horizontal direction away from the gate 510 while the auxiliary runner 610 and the gate 510 are driven to move in a vertically staggered manner, and the molding material cake 15 can be more conveniently broken.
As shown in fig. 4 and 9, the auxiliary ejection block 320 includes an auxiliary runner groove 611 provided on a side surface of the auxiliary ejection block 320 and opened toward the movable mold core 310, and the opened side of the auxiliary runner groove 611 is attached to the movable mold core 310 to form the auxiliary runner 610, so that the auxiliary ejection block 320 can be conveniently manufactured and the manufacturing cost can be reduced.
Preferably, the auxiliary ejection block 320 passes through the movable mold plate 200, and the lower end of the auxiliary ejection block is connected to the upper ejection plate 700, so that the auxiliary ejection block 320 can move synchronously with the ejector pins of the upper ejection plate 700 during demolding to eject the plastic product from the cavity 400. The auxiliary runner 610 comprises a first runner 323 and a second runner 324, the first runner 323 is vertically arranged and is communicated with the middle part of the cavity through the top end surface of the auxiliary ejection block 320, the second runner 324 is obliquely arranged in the auxiliary ejection block 320, one end of the second runner is communicated with the first runner 323, and the other end of the second runner is arranged on the side end surface of the auxiliary ejection block 320 and is communicated with the feeding runner 500.
As shown in fig. 5, the feeding runner 500 includes a main runner 520 and a branch runner 530 communicated between the main runner 520 and the auxiliary runner 610, the branch runner 530 includes a horn runner 531 connected to the auxiliary runner 610 and a dc runner 532 communicated between the main runner 520 and the horn runner 531, a head end of the horn runner 531 is communicated with the dc runner 532, a tail end is provided with a gate 510 and communicated with the auxiliary runner 610, an inner diameter of the horn runner 531 gradually decreases from the head end to the tail end, and the inner diameter of the tail end is smaller than that of the auxiliary runner 610, and a curved portion avoiding the cavity 400 is formed between the head end and the tail end, and the curved portion protrudes to a side away from the cavity 400.
In an embodiment of the runner 530 as shown in fig. 6, the runner 530 includes two symmetrical ox horn inserts 540, the ox horn inserts 540 are butt-jointed to form an ox horn runner 531 and a moving mold direct current groove 532a, the ox horn runner 531 is of a tubular structure, the moving mold direct current groove 532a is of a groove-shaped structure with an open top side, a fixed mold direct current groove 532b (fig. 5) matched with the moving mold direct current groove 532a is arranged on the fixed mold core 210 of the fixed mold plate 200, the moving mold direct current groove 532a and the fixed mold direct current groove 532b are butt-jointed to form the direct current groove 532 communicating between the main runner 520 and the ox horn runner 531 after the fixed mold plate 200 is covered on the moving mold plate 300, and the ox horn inserts are conveniently formed by means of jointing. Of course, the horn insert 540 may be a one-piece structure.
During demolding, after the fixed mold plate 200 leaves the movable mold plate 300, the direct-current channel 532 can be opened, the material cake in the direct-current channel can be exposed, the material cake can be taken out conveniently and is prepared for next glue feeding, preferably, an ejector pin matched with the upper ejector plate 700 of the injection mold is arranged below the direct-current channel 520, the material cake in the direct-current channel 532 and the material cake in the ox horn channel 531 can be ejected while the plastic product in the cavity 400 is ejected, so that each mechanism of the injection mold can complete multiple actions simultaneously, the production and processing efficiency is increased, and the coordination among the mechanisms is enhanced.
Further, the horn insert 540 further includes a guide portion 550 engaged with the auxiliary ejection block 320, the guide portion 550 is provided with a guide groove 551 engaged with the auxiliary ejection block 320, a top side of the guide groove 551 is open, and a bottom side forms a step surface 552 for limiting the auxiliary ejection block 320. The auxiliary eject plate 321 of the auxiliary eject block 320 is slidably engaged with the guide groove 551.
As shown in fig. 7-8, the present invention further provides a plastic product formed by cold runner injection molding, comprising an integrally injection molded housing 12 having a top plate 13 and a side plate 14, wherein the side edges of the top plate 13 extend in the same direction to form the side plate 14, the top plate 13 and the side plate 14 enclose a cavity 11, the side of the cavity 11 opposite to the top plate 13 is open, the housing 12 forms a smooth outer surface 11a on the side facing away from the cavity 11, the housing 12 forms an inner surface 11b on the side facing the cavity 11, the inner surface 11b is provided with a forming material cake 15 which is integrally formed during injection molding, a sprue 510 of the housing 12 during injection molding is arranged on the forming material cake 15, the forming material cake 15 is removed from the inner surface 11b by mechanical cutting or manual shearing after demolding, the inner surface 11b is provided with a cake mark for removing a forming cake 15 which is integrally formed during injection molding, and the forming cake 1 can be arranged on the top plate 13 or the side plate 14.
The plastic product gate is arranged on the forming material cake 15 on the inner surface 11b, so that the residue of the gate is not left on the outer surface 11a, the forming material cake 15 is removed, the method is simple and convenient, the generation of stress marks can be effectively reduced, the appearance of the product is smoother, uniform and attractive, the cost of cold runner injection molding is lower, and the production cost can be reduced while the quality of the plastic product is improved.
Furthermore, the tail end of the forming material cake 15 is connected with the middle part of the inner surface 11b of the top plate 13, and raw materials enter a cavity of an injection mold through the connecting position of the forming material cake 15 and the top plate 13 during injection molding, so that the cavity can be filled more uniformly, stress marks on a plastic product are reduced, and the plastic product is more attractive, and has enhanced texture and higher quality. Stress marks are aggregates of numerous stretch-oriented molecules perpendicular to the flow direction and fine distances between them, and are different from cracks, and a polymer connecting phase is present in the direction of the stress marks.
Still further, can set up a plurality of shaping material cakes 15 on roof 13 according to the size of encloser 12, can guarantee the homogeneity of raw materials when filling, still can guarantee the quality of product when the great plastic products of production specification.
The plastic product of the embodiment is a rectangular cover shell of the wiring board, and the wiring board is formed by intensively placing a plurality of sockets together, so that the formed multi-hole socket can be used for multiple purposes, not only saves space, but also saves circuits, is a necessity of life, has a plurality of benefits, and can be also suitable for wiring boards or plastic products with other shapes.
In the cold runner injection mold of the present embodiment, the cross section of the cavity 400 has an inverted "U" shape, and the auxiliary runner 610 bypasses the portion of the cavity 400 for molding the outer surface 11a, or the side plate 14, so that the housing 12 having a smooth appearance can be manufactured.
The action process of the injection mold in the embodiment is as follows:
when the glue is fed, the raw materials sequentially pass through the main runner 520, the sub-runner 530 and the auxiliary runner 610 and enter from the middle part of the bottom side of the cavity 400; after molding, under the driving of the upper ejection plate 700, the auxiliary ejection block 320 and the ejector pins matched with the cavity 400 eject the plastic product in the row cavity, and meanwhile, the ejector pins matched with the sub-runners 530 eject the cake in the sub-runners 530, wherein the auxiliary ejection block 320 also moves in the direction far away from one side of the sub-runners 530 on the basis of vertical movement in the ejection process so as to break the molded cake 15 from the gate 510; after the plastic product and the forming material cake 15 are ejected out, the forming material cake 15 is removed.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (7)
1. A cold runner injection mold is characterized in that: the plastic product injection molding device comprises a fixed die plate (200), a movable die plate (300) arranged below the fixed die plate (200), and an upper ejector plate (700) arranged below the movable die plate (300), wherein a fixed die core (210) and a movable die core (310) are respectively arranged in the fixed die plate (200) and the movable die plate (300), a die cavity (400) matched with a plastic product structure is formed between the fixed die core (210) and the movable die core (310), the cross section of the die cavity (400) is of an inverted concave structure, a feeding runner (500) is arranged on one side of the die cavity (400), and an auxiliary runner (610) communicated between the middle part of the die cavity (400) and the feeding runner (500) is arranged in the movable die core (310);
an auxiliary ejection block (320) is arranged on the movable mold core (310), the auxiliary runner (610) is arranged in the auxiliary ejection block (320), and the auxiliary runner (610) bypasses the side edge of the mold cavity and extends upwards to the middle part of the mold cavity for glue feeding;
the feeding runner (500) comprises a ox horn runner (531) connected with the auxiliary runner (610), the auxiliary runner (610) comprises a first runner (323) and a second runner (324), the first runner (323) is vertically arranged and communicated with the middle part of the cavity through the top end face of the auxiliary ejection block (320), the second runner (324) is obliquely arranged in the auxiliary ejection block (320), one end of the second runner is communicated with the first runner (323), and the other end of the second runner is arranged on the side end face of the auxiliary ejection block (320) and communicated with the feeding runner (500);
the auxiliary ejector block (320) is obliquely arranged in the movable mold core (310) and is in sliding fit with the movable mold core (310).
2. The cold runner injection mold of claim 1, wherein: the auxiliary ejection block (320) comprises an auxiliary runner groove (611) which is arranged on the side surface of the auxiliary ejection block (320) and is opened towards the movable mold core (310), and the opened side of the auxiliary runner groove (611) is jointed with the movable mold core (310) to form an auxiliary runner (610).
3. The cold runner injection mold of claim 1 or 2, wherein: the auxiliary ejection block (320) penetrates through the movable template (300) and is connected to the upper ejection plate (700).
4. The cold runner injection mold of claim 1, wherein: the feeding runner (500) comprises a main runner (520) and a sub-runner (530) communicated between the main runner (520) and an auxiliary runner (610), the sub-runner (530) comprises a cattle horn runner (531) connected with the auxiliary runner (610) and a straight runner (532) communicated between the main runner (520) and the cattle horn runner (531), the head end of the cattle horn runner (531) is communicated with the straight runner (532), and the tail end of the cattle horn runner is provided with a pouring gate (510) and communicated with the auxiliary runner (610).
5. The cold runner injection mold of claim 4, wherein: the sprue (530) comprises two ox horn inserts (540) which are symmetrically arranged, the ox horn inserts (540) are butted and spliced to form an ox horn runner (531) and a moving die direct current groove (532a), the ox horn runner (531) is of a tubular structure, the moving die direct current groove (532a) is of a groove-shaped structure with an open top side, a fixed die direct current groove (532b) matched with the moving die direct current groove (532a) is arranged on a fixed die core (210) of a fixed die plate (200), and the moving die direct current groove (532a) and the fixed die direct current groove (532b) are butted and spliced to form a direct current groove (532) communicated between the main runner (520) and the ox horn runner (531).
6. The cold runner injection mold of claim 1, 2, 4, or 5, wherein: the tail end of the feeding runner (500) is provided with a sprue (510) matched with the auxiliary runner (610), and a forming material cake (15) integrally formed with a plastic product in the cavity (400) is formed in the auxiliary runner (610).
7. The cold runner injection mold of claim 4, wherein: and an ejector pin matched with an upper ejector plate (700) of the injection mold is arranged below the straight flow channel (532).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020655.9A CN106626258B (en) | 2017-01-11 | 2017-01-11 | Cold runner injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020655.9A CN106626258B (en) | 2017-01-11 | 2017-01-11 | Cold runner injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106626258A CN106626258A (en) | 2017-05-10 |
| CN106626258B true CN106626258B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710020655.9A Active CN106626258B (en) | 2017-01-11 | 2017-01-11 | Cold runner injection mold |
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| CN (1) | CN106626258B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366897A (en) * | 2018-12-05 | 2019-02-22 | 北京爱德发科技有限公司 | A kind of injection mold and glue inlet tube |
| CN112549453B (en) * | 2020-12-01 | 2022-12-13 | 临海伟星新型建材有限公司 | Device for separating and ejecting injection molding product from sprue |
| CN113103528B (en) * | 2021-04-06 | 2023-06-23 | 青岛海尔空调器有限总公司 | Material cake separator, material cake separation composite set and injection molding reclaiming device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201824525U (en) * | 2010-11-01 | 2011-05-11 | 天津市中环三峰电子有限公司 | Ejector rob-type pouring gate of injection mold |
| CN202029328U (en) * | 2011-01-20 | 2011-11-09 | 厦门达莱电子科技有限公司 | Submarine gate mold |
| CN102896738A (en) * | 2012-09-13 | 2013-01-30 | 晟扬精密模具（昆山）有限公司 | Horn angle pin |
| CN202781639U (en) * | 2012-09-13 | 2013-03-13 | 汉达精密电子(昆山)有限公司 | Insert core structure |
| CN207077695U (en) * | 2017-01-11 | 2018-03-09 | 浙江正泰建筑电器有限公司 | Cold runner injection mold and plastic products |
-
2017
- 2017-01-11 CN CN201710020655.9A patent/CN106626258B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201824525U (en) * | 2010-11-01 | 2011-05-11 | 天津市中环三峰电子有限公司 | Ejector rob-type pouring gate of injection mold |
| CN202029328U (en) * | 2011-01-20 | 2011-11-09 | 厦门达莱电子科技有限公司 | Submarine gate mold |
| CN102896738A (en) * | 2012-09-13 | 2013-01-30 | 晟扬精密模具（昆山）有限公司 | Horn angle pin |
| CN202781639U (en) * | 2012-09-13 | 2013-03-13 | 汉达精密电子(昆山)有限公司 | Insert core structure |
| CN207077695U (en) * | 2017-01-11 | 2018-03-09 | 浙江正泰建筑电器有限公司 | Cold runner injection mold and plastic products |
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| Publication number | Publication date |
|---|---|
| CN106626258A (en) | 2017-05-10 |
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