CN212603080U - Injection mold with novel cold material cave structure - Google Patents
Injection mold with novel cold material cave structure Download PDFInfo
- Publication number
- CN212603080U CN212603080U CN202020985665.3U CN202020985665U CN212603080U CN 212603080 U CN212603080 U CN 212603080U CN 202020985665 U CN202020985665 U CN 202020985665U CN 212603080 U CN212603080 U CN 212603080U
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- cold
- injection mold
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- mold
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- 239000000463 material Substances 0.000 title claims abstract description 81
- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 239000000498 cooling water Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 12
- 229920003023 plastic Polymers 0.000 abstract description 12
- 238000001746 injection moulding Methods 0.000 abstract description 6
- 238000004080 punching Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection mold with novel cold burden cave structure belongs to injection mold technical field, has seted up the side direction recess on the inside wall of cold burden cave, draws the material pole to draw the material pole for cylindrical. During injection molding, the material flow flows into the cold material cavity, the runner and the cavity after passing through the pouring gate, the cold material at the front of the material flow is filled in the lateral groove, and the cold material filled in the lateral groove can pull out the condensed material of the pouring system in the pouring gate when the mold is opened; when the plastic part is demoulded, the pulling rod can directly force the pouring system congelation to be pushed out, the pouring system congelation moves along with the plastic part, the pouring system congelation is directly separated from the pulling rod, manual taking-off is not needed, the manual labor amount is reduced, and the injection molding efficiency is improved; the cylindrical material pulling rod is directly purchased without any processing, so that the processing step of the Z-shaped head is omitted; when the lateral groove is processed, only an electric grinding head is required to extend into the cold material hole for punching, and the processing is convenient and quick.
Description
Technical Field
The utility model belongs to the technical field of the injection mold technique and specifically relates to an injection mold with novel cold burden cave structure is related to.
Background
The product manufactured by using the injection mold in life and industrial production is very easy to see and use by people, and the traditional injection mold is provided with a cold material cavity which is one of the structural components of a pouring system. The cold material cavity is used for accommodating the front cold material of the material flow in the runner of the pouring system so as to prevent the cold material cavity from being injected into the cavity. These cold materials affect both the melt filling rate and the quality of the molded plastic part. Besides the above functions, the cold material hole at the tail end of the main flow channel also has the function of conveniently arranging a material pulling rod of the main flow channel at the position. And after the injection is finished and the mold is divided, under the action of a material pulling rod, the main flow of the condensed material is pulled out from the fixed mold sprue bush, and finally the pushing mechanism starts to work to push the plastic part and the condensed material of the pouring system out of the mold. A zigzag-shaped lifter bar is one of the most common forms. The Z-shaped material pulling rod has more defects in the using process: firstly, the Z-shaped head is processed after being bought, the Z-shaped head is difficult to process, the requirement on processing technology is high, and the processing time is long; secondly, when casting system congeals the material, casting system congeals the material and hangs on the zigzag draws the material pole, and the manual work volume that increases is taken off to the manual work, and the efficiency of moulding plastics is lower.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the problems that the processing of a Z-shaped material pulling rod used by the traditional injection mold is difficult, the requirement on the processing technology is high, and the processing time is long, the injection mold with the novel cold material cavity structure is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an injection mold with novel cold burden cave structure, includes cover half and movable mould, the cover half includes core and runner cover, the runner has been seted up on the runner cover, the movable mould includes core and draws the material pole down, form the die cavity after core and the core compound die down, subchannel and cold burden cave have been seted up on the core down, runner, subchannel, die cavity and cold burden cave intercommunication, draw the material pole to wear to establish down insert after the core and establish in the cold burden cave, the side direction recess has been seted up on the inside wall of cold burden cave, draw the material pole to draw for cylindrical drawing the material pole.
The utility model discloses an injection mold with novel cold burden cave structure, set up the side direction recess on the inside wall of cold burden cave, draw the material pole for cylindrical drawing the material pole, when moulding plastics, the material stream flows into cold burden cave, subchannel and die cavity after the runner, the forepart cold burden of material stream is packed in the side direction recess, when the die sinking, the cold burden of packing in the side direction recess can be pulled out the gating system congeals in the runner; when the plastic part is demoulded, the pulling rod can directly force the pouring system congelation to be pushed out, the pouring system congelation moves along with the plastic part, the pouring system congelation is directly separated from the pulling rod, manual taking-off is not needed, the manual labor amount is reduced, and the injection molding efficiency is improved; the cylindrical material pulling rod is directly purchased without any processing, so that the processing step of the Z-shaped head is omitted; when the lateral groove is processed, only an electric grinding head is required to extend into the cold material hole for punching, and the processing is convenient and quick.
In order to increase the contact area between the cold material and the lateral groove and facilitate the processing of the lateral groove, the bottom surface of the lateral groove is an arc surface.
Further, the cover half still includes cover half bedplate, position circle and upper core fixed plate, the upper core passes through upper core fixed plate fixed mounting on the cover half bedplate, position circle fixed mounting is on the upper surface of cover half bedplate, the runner cover runs through cover half bedplate, upper core fixed plate and upper core, the runner cover sets up with the position circle is coaxial.
Further, the movable mould includes movable mould bedplate, backup pad, lower core fixing plate and push pedal, lower core fixing plate passes through backup pad fixed mounting on the movable mould bedplate, lower core fixed mounting is on lower core fixing plate, the push pedal slides and sets up between two backup pads, fixed mounting has the push rod fixed plate in the push pedal, fixed mounting has the push rod on the push rod fixed plate, the push rod passes behind lower core fixing plate and the lower core and coincides with lower core upper surface, draw material pole fixed mounting on the push rod fixed plate.
In order to strengthen the utility model discloses a stability, still be provided with the direction subassembly between cover half and the movable mould, the direction subassembly includes guide pin bushing and guide pillar, guide pin bushing fixed mounting is on the cover half, guide pillar fixed mounting is on the movable mould, the coaxial slip of guide pillar is inserted and is established in the guide pin bushing.
Furthermore, upper cooling water pipes are distributed on the upper mold core, and lower cooling water pipes are distributed on the lower mold core.
Preferably, the number of the cavities is two, and the two cavities are symmetrically arranged about the central axis of the sprue bush.
The utility model has the advantages that the utility model has a side groove on the inner side wall of the cold material cave, the material pulling rod is a cylindrical material pulling rod, when in injection molding, the material flow flows into the cold material cave, the shunt passage and the cavity after passing through the sprue, the front cold material of the material flow is filled in the side groove, and when in die sinking, the cold material filled in the side groove can pull out the casting system condensate in the sprue; when the plastic part is demoulded, the pulling rod can directly force the pouring system congelation to be pushed out, the pouring system congelation moves along with the plastic part, the pouring system congelation is directly separated from the pulling rod, manual taking-off is not needed, the manual labor amount is reduced, and the injection molding efficiency is improved; the cylindrical material pulling rod is directly purchased without any processing, so that the processing step of the Z-shaped head is omitted; when the lateral groove is processed, only an electric grinding head is required to extend into the cold material hole for punching, and the processing is convenient and quick.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a three-dimensional schematic view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with the present invention;
fig. 4 is an enlarged view of fig. 3B according to the present invention;
fig. 5 is an enlarged view of the cooling well of the present invention.
In the figure: 1. the casting mold comprises an upper mold core, 2 parts of a sprue bush, 2-1 parts of a sprue, 3 parts of a lower mold core, 4 parts of a material pulling rod, 5 parts of a mold cavity, 6 parts of a runner, 7 parts of a cold material cavity, 7-1 parts of a lateral groove, 8 parts of a fixed mold seat plate, 9 parts of a positioning ring, 10 parts of an upper mold core fixing plate, 11 parts of a movable mold seat plate, 12 parts of a supporting plate, 13 parts of a lower mold core fixing plate, 14 parts of a push plate, 15 parts of a push rod fixing plate, 16 parts of a push rod, 17 parts of a guide sleeve, 18 parts of a guide column, 19 parts of an upper.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
An injection mold with novel cold material cave structure as shown in fig. 1 and fig. 2, including cover half and movable mould, the cover half includes core 1 and runner cover 2, has seted up runner 2-1 on the runner cover 2, and the movable mould includes core 3 and material pulling rod 4 down, forms die cavity 5 after core 3 and the core 1 compound die down, and die cavity 5 has two, and two die cavities 5 are symmetrical about the central axis of runner cover 2 and are set up. The lower mold core 3 is provided with a sub-channel 6 and a cold material hole 7, the pouring gate 2-1, the sub-channel 6, the mold cavity 5 and the cold material hole 7 are communicated, the material pulling rod 4 penetrates through the lower mold core 3 and then is inserted into the cold material hole 7, the inner side wall of the cold material hole 7 is provided with a lateral groove 7-1, as shown in fig. 4 and 5, the bottom surface of the lateral groove 7-1 is an arc surface, and the material pulling rod 4 is a cylindrical material pulling rod 4.
The cover half still includes cover half bedplate 8, position circle 9 and upper core fixed plate 10, as shown in fig. 3, upper core 1 is through upper core fixed plate 10 fixed mounting on cover half bedplate 8, and position circle 9 fixed mounting is on the upper surface of cover half bedplate 8, and sprue bush 2 runs through cover half bedplate 8, upper core fixed plate 10 and upper core 1, and sprue bush 2 sets up with position circle 9 is coaxial.
The movable mould includes movable mould bedplate 11, backup pad 12, lower die core fixed plate 13 and push pedal 14, lower die core fixed plate 13 passes through backup pad 12 fixed mounting on movable mould bedplate 11, lower die core 3 fixed mounting is on lower die core fixed plate 13, push pedal 14 slides and sets up between two backup pads 12, fixed mounting has push rod fixed plate 15 on the push pedal 14, fixed mounting has push rod 16 on the push rod fixed plate 15, push rod 16 passes die core fixed plate 13 and lower die core 3 back and coincides with lower die core 3 upper surface, draw material pole 4 fixed mounting on push rod fixed plate 15.
Still be provided with the direction subassembly between cover half and the movable mould, the direction subassembly includes guide pin bushing 17 and guide pillar 18, and guide pin bushing 17 fixed mounting is on the cover half, and guide pillar 18 fixed mounting is on the movable mould, and guide pillar 18 is coaxial to be slided and is inserted and establish in guide pin bushing 17.
The upper core 1 is provided with an upper cooling water pipe 19, and the lower core 3 is provided with a lower cooling water pipe 20.
The utility model discloses an injection mold with novel cold burden cave structure, set up side direction recess 7-1 on the inside wall of cold burden cave 7, draw material pole 4 to be cylindrical and draw material pole 4, when moulding plastics, the material stream flows into cold burden cave 7, subchannel 6 and die cavity 5 after through runner 2-1, the forepart cold burden of material stream is filled in side direction recess 7-1, when the die sinking, the pouring system congeals in runner 2-1 can be pulled out to the cold burden of the intussuseption of side direction recess 7-1 intussuseption; when the plastic part is demoulded, the material pulling rod 4 can directly force the pouring system congelation to be pushed out, the pouring system congelation moves along with the plastic part, the pouring system congelation is directly separated from the material pulling rod 4, manual taking-off is not needed, the manual labor amount is reduced, and the injection molding efficiency is improved; the cylindrical material pulling rod 4 is directly purchased without any processing, so that the processing step of a Z-shaped head is omitted; when the lateral groove 7-1 is machined, only the electric grinding head is required to extend into the cold material hole 7 for punching, and the machining is convenient and quick.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides an injection mold with novel cold material cave structure, includes cover half and movable mould, the cover half includes core (1) and runner cover (2), runner (2-1) have been seted up on runner cover (2), the movable mould includes core (3) and draws material pole (4) down, form die cavity (5) its characterized in that after core (3) and last core (1) compound die down: the material pulling device is characterized in that a runner (6) and a cold material hole (7) are formed in the lower mold core (3), the sprue (2-1), the runner (6), the mold cavity (5) and the cold material hole (7) are communicated, the material pulling rod (4) penetrates through the lower mold core (3) and then is inserted into the cold material hole (7), a lateral groove (7-1) is formed in the inner side wall of the cold material hole (7), and the material pulling rod (4) is cylindrical and is a pulling rod (4).
2. The injection mold with a novel cold pocket structure as claimed in claim 1, wherein: the bottom surface of the lateral groove (7-1) is a circular arc surface.
3. The injection mold with a novel cold pocket structure as claimed in claim 1, wherein: the fixed die further comprises a fixed die base plate (8), a positioning ring (9) and an upper core fixing plate (10), the upper core (1) is fixedly installed on the fixed die base plate (8) through the upper core fixing plate (10), the positioning ring (9) is fixedly installed on the upper surface of the fixed die base plate (8), the sprue bush (2) penetrates through the fixed die base plate (8), the upper core fixing plate (10) and the upper core (1), and the sprue bush (2) and the positioning ring (9) are coaxially arranged.
4. The injection mold with a novel cold pocket structure as claimed in claim 1, wherein: the movable mould includes movable mould bedplate (11), backup pad (12), lower core fixing plate (13) and push pedal (14), lower core fixing plate (13) pass through backup pad (12) fixed mounting on movable mould bedplate (11), core (3) fixed mounting is on core fixing plate (13) down, push pedal (14) slide and set up between two backup pads (12), fixed mounting has push rod fixed plate (15) on push pedal (14), fixed mounting has push rod (16) on push rod fixed plate (15), push rod (16) pass down behind core fixing plate (13) and lower core (3) with core (3) upper surface coincidence down, draw material pole (4) fixed mounting on push rod fixed plate (15).
5. The injection mold with a novel cold pocket structure as claimed in claim 1, wherein: the guide assembly is further arranged between the fixed die and the movable die and comprises a guide sleeve (17) and a guide pillar (18), the guide sleeve (17) is fixedly installed on the fixed die, the guide pillar (18) is fixedly installed on the movable die, and the guide pillar (18) is coaxially inserted into the guide sleeve (17) in a sliding mode.
6. The injection mold with a novel cold pocket structure as claimed in claim 1, wherein: the upper mold core (1) is provided with upper cooling water pipes (19), and the lower mold core (3) is provided with lower cooling water pipes (20).
7. The injection mold with a novel cold pocket structure as claimed in claim 1, wherein: the number of the die cavities (5) is two, and the two die cavities (5) are symmetrically arranged relative to the central axis of the sprue bush (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985665.3U CN212603080U (en) | 2020-06-02 | 2020-06-02 | Injection mold with novel cold material cave structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985665.3U CN212603080U (en) | 2020-06-02 | 2020-06-02 | Injection mold with novel cold material cave structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212603080U true CN212603080U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020985665.3U Expired - Fee Related CN212603080U (en) | 2020-06-02 | 2020-06-02 | Injection mold with novel cold material cave structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212603080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248405A (en) * | 2021-11-17 | 2022-03-29 | 遵义群建塑胶制品有限公司 | Injection molding device convenient for material taking |
-
2020
- 2020-06-02 CN CN202020985665.3U patent/CN212603080U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248405A (en) * | 2021-11-17 | 2022-03-29 | 遵义群建塑胶制品有限公司 | Injection molding device convenient for material taking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221212 Address after: 212000 Shima Sericulture Farm, Gaozi Street, Dantu District, Zhenjiang City, Jiangsu Province Patentee after: Zhenjiang Dantu Gaozi Xinghuo cement products factory Address before: 213164 No.28, Mingxin Middle Road, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Polytechnic |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |