CN218019851U - Injection mold of threaded cap - Google Patents
Injection mold of threaded cap Download PDFInfo
- Publication number
- CN218019851U CN218019851U CN202222025956.XU CN202222025956U CN218019851U CN 218019851 U CN218019851 U CN 218019851U CN 202222025956 U CN202222025956 U CN 202222025956U CN 218019851 U CN218019851 U CN 218019851U
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- Prior art keywords
- core
- mold
- injection
- movable mould
- screw cap
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- 238000002347 injection Methods 0.000 title claims abstract description 45
- 239000007924 injection Substances 0.000 title claims abstract description 45
- 239000003292 glue Substances 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007774 longterm Effects 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
- 239000000243 solution Substances 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold of screw cap, including cover half subassembly and movable mould subassembly, the movable mould subassembly includes movable mould board group and movable mould seat group, and the movable mould board group is equipped with mould core group, motor, rack and rotatable commentaries on classics cover, and the motor is equipped with the driving gear with rack toothing, changes the cover and is equipped with screw thread portion and driven gear, and follow wheel and rack toothing, mould core group include mould core and lower mould core, go up the mould core and be equipped with the injecting glue piece, and movable mould seat group is equipped with the core that inserts in the commentaries on classics cover, and the core is equipped with reference column and groove that splines. The utility model relates to a rational in infrastructure, the manufacturing is convenient, and the drawing of patterns is smooth and easy, can the shaping go out the screw cap and realize the drawing of patterns.
Description
Technical Field
The utility model belongs to the technical field of injection mold and specifically relates to an injection mold of screw thread lid is related to.
Background
The injection mold is a tool for producing plastic products through injection molding, and is also a tool for endowing the plastic products with complete structures and accurate dimensions.
Referring to fig. 1, which shows a screw cap 100, the screw cap 100 has a screw structure and is provided with two copper members 101, it is necessary to design a set of injection molds capable of molding the screw cap 100.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an injection mold of a threaded cover, wherein a threaded part of a rotating sleeve can form a threaded structure of the threaded cover, and a positioning column is used for positioning a copper piece; after the mold is opened, the rotary sleeve rotates to enable the thread part to be gradually separated from the threaded cover, and finally the threaded cover is separated from the rotary sleeve and the mold core to realize mold release.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an injection mold of screw cap, includes cover half subassembly and movable mould subassembly, the movable mould subassembly includes movable mould board group and movable mould seat group, movable mould board group be equipped with die core group, motor, rack and rotatable commentaries on classics cover, the motor be equipped with rack toothing's driving gear, the commentaries on classics cover be equipped with screw thread portion and driven gear, driven gear and rack toothing, die core group include mold core and lower die core, last mold core be equipped with the injecting glue piece, movable mould seat group be equipped with the core that inserts in the commentaries on classics cover, the core be equipped with the reference column and only rotate the groove.
The utility model has the advantages of reasonable design structure, the manufacturing is convenient, and the drawing of patterns is smooth and easy, can the shaping go out the screw cap and realize the drawing of patterns. Firstly, a fixed die assembly and a movable die assembly are in a separated state, a copper part is placed on a positioning column of a mold core, and then the fixed die assembly and the movable die assembly are folded and injection molding is carried out; the hot plastic in the molten state enters the mold cavity from the glue injection block at the upper mold core for injection molding (the mold cavity is arranged between the fixed mold assembly and the mold core); the thread part of the rotating sleeve can form a thread structure of the thread cover, the core forms a lower end structure of the thread cover, and the fixed die assembly forms an upper end structure of the thread cover; the lower die core is used for supporting the rack and is connected with the rack in a sliding manner; after the mold is opened, the motor drives the driving gear to rotate, the driving gear drives the rack to move, the rack drives the driven gear to rotate, then the rotary sleeve starts to rotate, and the rotary rib can stop the rotation of the threaded cover, so the threaded cover can only move upwards to be separated from the rotary sleeve and the mold core, finally, the threaded part of the rotary sleeve is gradually separated from the threaded structure of the threaded cover, and the threaded cover can be taken away by hands.
As the utility model discloses further improve: the upper die core is provided with an upper rotating hole, the lower die core is provided with a lower rotating hole, and the upper rotating hole and the lower rotating hole are respectively connected with the upper end and the lower end of the rotating sleeve in a rotating mode. During demoulding, the rotating sleeve can rotate so as to separate the thread part from the thread cover, and the rotating sleeve can only rotate in the circumferential direction but cannot move in the axial direction.
As the utility model discloses further improve: the rotating sleeve is provided with a limiting ring, and the limiting ring is arranged in the lower die core. The limiting ring can limit the axial movement of the rotating sleeve.
As the utility model discloses further improve: the lower die core is provided with a square groove and a lower sinking groove, a lower wear-resisting ring is arranged in the lower sinking groove, a panel is arranged in the square groove, the panel is provided with an upper wear-resisting ring which is coaxial with the lower wear-resisting ring, and the limit ring is arranged between the lower wear-resisting ring and the upper wear-resisting ring. The sink groove is used for fixing the lower wear-resistant ring, the square groove is used for fixing the panel, and the panel is used for fixing the upper wear-resistant ring.
As the utility model discloses further improve: the rotating sleeve is provided with a core hole, and the core hole is rotationally connected with the mold core. The core hole is sleeved outside the core, and the core hole can rotate around the core.
As the utility model discloses further improve: the upper die core is provided with an embedding groove, an insert which sleeves the rotating sleeve is arranged in the embedding groove, the insert is provided with a feeding groove, the glue injection block is provided with a glue injection part which is positioned in the feeding groove, and the glue injection part is provided with a glue injection hole. The inserts are fixed in the caulking grooves, a mold cavity is reserved between the fixed mold assembly and the mold core, and hot materials enter the mold cavity from the glue injection holes of the glue injection blocks for injection molding.
As the utility model discloses further improve: the fixed die assembly is provided with a fixed die core, and the fixed die core is provided with a square forming rod and a round forming rod. The fixed die core, the square forming rod and the round forming rod are used for forming the upper end structure of the threaded cover.
As the utility model discloses further improve: the two ends of the rack are provided with stop blocks, and the lower die core is provided with a limit block. The rack can move linearly leftwards or rightwards, the stop block limits the limit position after the rack moves, thus, the rack can be prevented from being separated from the driving gear and the driven gear.
As the utility model discloses further improve: and a connecting gear is arranged between the rack and the driven gear. The connecting gear is respectively connected with the rack and the driven gear.
As the utility model discloses further improve: the movable die base group is provided with a top plate group, and the top plate group is provided with a material ejecting rod inserted with the glue injection block. The middle part of the glue injection block is provided with waste materials, and the ejector rod can eject the waste materials out of the glue injection block.
Drawings
FIG. 1 is an exploded view of a threaded cap;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an exploded schematic view of the stationary mold assembly;
FIG. 4 is a schematic view of a mandrel;
FIG. 5 is an exploded schematic view of a moving platen assembly;
FIG. 6 is a schematic view of the assembly of movable mold plates;
FIG. 7 is an exploded view of the die set;
FIG. 8 is a schematic view of the die set assembled;
FIG. 9 is a cross-sectional view of a moving platen group;
FIG. 10 is an enlarged view of area A of FIG. 9;
fig. 11 is a sectional view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-11: an injection mold of a threaded cap comprises a fixed mold component 200 and a movable mold component, wherein the movable mold component comprises a movable mold plate group 300 and a movable mold seat group 500, the movable mold plate group 300 is provided with a mold core group 310, a motor 2, a rack 6 and a rotatable rotating sleeve 1, the motor 2 is provided with a driving gear 3 meshed with the rack 6, the rotating sleeve 1 is provided with a threaded part 11 and a driven gear 4, the driven gear 4 is meshed with the rack 6, the mold core group 310 comprises an upper mold core 7 and a lower mold core 9, the upper mold core 7 is provided with a glue injection block 74, the movable mold seat group 500 is provided with a mold core 510 inserted into the rotating sleeve 1, the mold core 510 is provided with a positioning column 511 and a rotation stopping groove 512, the rotation stopping groove 512 can form a rotation stopping rib 102 structure on the threaded cap 100, after mold opening is carried out, when the rotating sleeve 1 rotates, the rotation stopping rib 102 stops the threaded cap 100 from rotating, and then the threaded cap 100 can only move upwards and is separated from the rotating sleeve 1 and the mold core 510. The utility model discloses set up two die cavities, once moulded plastics and can mould out two screw caps 100, so two screw caps 100 required spare part quantity of shaping are also two.
The upper mold core 7 is provided with an upper rotating hole 73, the lower mold core 9 is provided with a lower rotating hole 93, and the upper rotating hole 73 and the lower rotating hole 93 are respectively connected with the upper end and the lower end of the rotating sleeve 1 in a rotating manner. During demolding, the upper end of the rotating sleeve 1 rotates in the upper rotating hole 73, and the lower end of the rotating sleeve 1 rotates in the lower rotating hole 93.
The rotating sleeve 1 is provided with a spacing ring 12, and the spacing ring 12 is arranged in the lower mold core 9. The retainer ring 12 can rotate in the lower mold core 9, but the retainer ring 12 cannot move axially.
The lower mold core 9 is provided with a square groove 94 and a lower sinking groove 92, a lower wear-resisting ring 91 is arranged in the sinking groove 92, a panel 8 is arranged in the square groove 94, the panel 8 is provided with an upper wear-resisting ring 81 which is coaxial with the lower wear-resisting ring 91, and the limiting ring 12 is arranged between the lower wear-resisting ring 91 and the upper wear-resisting ring 81. The upper wear-resistant ring 81 is fixed in the panel 8, the panel 8 is fixed in the square groove 94, and the lower wear-resistant ring is fixed in the sunken groove 92; the lower wear-resisting ring 91 and the upper wear-resisting ring 81 are made of materials with higher hardness, the limiting ring 12 can rotate between the lower wear-resisting ring 91 and the upper wear-resisting ring 81, the friction force is smaller when the limiting ring 12 rotates, and the axial position of the rotating sleeve 1 can be limited by the limiting ring 12.
The rotating sleeve 1 is provided with a core hole 13, and the core hole 13 is rotatably connected with the mold core 510. The core 510 passes through the core hole 13.
The upper mold core 7 is provided with an embedding groove 72, an insert 71 which sleeves the rotating sleeve 1 is arranged in the embedding groove 72, the insert 71 is provided with a feeding groove 711, the glue injection block 74 is provided with a glue injection part 741 positioned in the feeding groove 711, and the glue injection part 741 is provided with a glue injection hole 742. The insert 71 is made of a material with higher hardness, and when the rotating sleeve 1 rotates, the friction force between the rotating sleeve 1 and the insert 71 is smaller; the injection part 741 is located in the feeding channel 711, and the hot material reaches the injection hole 742 from the inlet of the injection block 74 and then is injected into the mold cavity.
The stationary die assembly 200 is provided with a stationary die core 210, and the stationary die core 210 is provided with a square molding rod 212 and a round molding rod 211. The square molding rod 212 and the round molding rod 211 are inserted into the cavity insert 200, and the square molding rod 212 and the round molding rod 211 can be replaced after long-term use.
Two ends of the rack 6 are provided with stop blocks 61, and the lower mold core 9 is provided with a limit block 90. When the stop block 61 hits the lower mold core 9, the rack 6 stops moving; the limiting block 90 is attached to the back of the rack (the back of the rack without teeth is connected with the limiting block 90 in a sliding manner), so that the rack 6, the driving gear 3 and the driven gear 4 are always in a meshed state.
A connecting gear 5 is arranged between the rack 6 and the driven gear 4. The rack 6 is firstly meshed with the connecting gear 5, the connecting gear 5 is then meshed with the driven gear 4, so that the rotary sleeve 1 starts to rotate, and the threaded part 11 of the rotary sleeve 1 is gradually separated from the threaded structure of the threaded cover 100.
The movable die holder set 500 is provided with a top plate set 400, and the top plate set 400 is provided with an ejector rod 401 inserted into the glue injection block 74. The ejector rods 401 can eject waste materials in the glue injection block 74.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an injection mold of screw cap, includes cover half subassembly and movable mould subassembly, its characterized in that movable mould subassembly includes movable mould board group and movable mould seat group, movable mould board group be equipped with die core group, motor, rack and rotatable commentaries on classics cover, the motor be equipped with rack toothing's driving gear, the commentaries on classics cover be equipped with screw thread portion and driven gear, driven gear and rack toothing, die core group include mold core and lower die core, last die core be equipped with the rubber injection piece, movable mould seat group be equipped with the core that inserts in the commentaries on classics cover, the core be equipped with the reference column and end the rotary trough.
2. The injection mold for the screw cap according to claim 1, wherein the upper mold core is provided with an upper rotating hole, the lower mold core is provided with a lower rotating hole, and the upper rotating hole and the lower rotating hole are rotatably connected with the upper end and the lower end of the rotating sleeve, respectively.
3. An injection mold for a screw cap according to claim 2, wherein the rotary sleeve is provided with a stop collar, and the stop collar is provided in the lower mold core.
4. An injection mold for a screw cap according to claim 3, wherein said lower mold core has a square groove and a sunken groove, said sunken groove has a lower wear ring, said square groove has a panel, said panel has an upper wear ring coaxial with said lower wear ring, and said retainer is disposed between said lower wear ring and said upper wear ring.
5. An injection mold for a screw cap as claimed in claim 1, wherein the rotating sleeve is provided with a core hole, and the core hole is rotatably connected to the core.
6. The injection mold for the threaded cap as claimed in claim 1, wherein the upper mold core is provided with a caulking groove, an insert for sheathing the rotating sleeve is arranged in the caulking groove, the insert is provided with a feed groove, the glue injection block is provided with a glue injection part located in the feed groove, and the glue injection part is provided with a glue injection hole.
7. The injection mold for the threaded cap as claimed in claim 1, wherein the fixed mold assembly is provided with a fixed mold core, and the fixed mold core is provided with a square molding rod and a round molding rod.
8. The injection mold of the screw cap according to claim 1, wherein the two ends of the rack are provided with stoppers, and the lower mold core is provided with a stopper.
9. An injection mold for a screw cap according to claim 1, wherein a connecting gear is provided between the rack and the driven gear.
10. An injection mold for a screw cap as claimed in claim 1, wherein the movable die base set is provided with a top plate set, and the top plate set is provided with a material ejecting rod inserted with the glue injecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222025956.XU CN218019851U (en) | 2022-07-29 | 2022-07-29 | Injection mold of threaded cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222025956.XU CN218019851U (en) | 2022-07-29 | 2022-07-29 | Injection mold of threaded cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218019851U true CN218019851U (en) | 2022-12-13 |
Family
ID=84342489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222025956.XU Active CN218019851U (en) | 2022-07-29 | 2022-07-29 | Injection mold of threaded cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218019851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119840103A (en) * | 2025-03-18 | 2025-04-18 | 泰兴市康威塑业有限公司 | Bottle cap integrated injection molding equipment and injection molding method thereof |
-
2022
- 2022-07-29 CN CN202222025956.XU patent/CN218019851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119840103A (en) * | 2025-03-18 | 2025-04-18 | 泰兴市康威塑业有限公司 | Bottle cap integrated injection molding equipment and injection molding method thereof |
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