CN205767297U - Full circle back-off distribution pulled core structure inside dome plastic - Google Patents
Full circle back-off distribution pulled core structure inside dome plastic Download PDFInfo
- Publication number
- CN205767297U CN205767297U CN201620693175.XU CN201620693175U CN205767297U CN 205767297 U CN205767297 U CN 205767297U CN 201620693175 U CN201620693175 U CN 201620693175U CN 205767297 U CN205767297 U CN 205767297U
- Authority
- CN
- China
- Prior art keywords
- block
- pair
- transverse slider
- die cavity
- circular arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
Full circle back-off distribution pulled core structure inside dome plastic.Provide a kind of simple in construction, convenient processing, improve full circle back-off distribution pulled core structure inside the dome plastic of work efficiency.Include A plate, slide block and B plate the most successively, the bottom centre of described A plate is provided with die cavity, A plate is provided with a pair block the tightest and a pair block the tightest, and a pair block the tightest is positioned at the left and right side of die cavity, and a pair block the tightest is positioned at the forward and backward side of die cavity；Described slide block includes a pair transverse slider and a pair longitudinal sliding block, described transverse slider is provided with perforation one, the tightest described block one_to_one corresponding is located in the perforation one of transverse slider, and described longitudinal sliding block is provided with perforation two, and described longitudinal direction tiltedly tight block one_to_one corresponding is located in the perforation two of longitudinal sliding block.This utility model reduces die manufacturing cost and cycle, promotes the quick assembling production capacity of mould.
Description
Technical field
This utility model relates to pulled core structure, particularly relates to the full circle back-off distribution pulled core structure inside dome plastic.
Background technology
At present, when industry has the dome product manufacturing of full circle back-off in inner side, petal type is generally used to inside contract pulled core structure
More, manufacturing and during assembling, considerably increasing manufacturing cycle and the processing cost of mould, matching requirements are high, and structure is multiple
Miscellaneous, produce instability, the production efficiency reduced and punctual shipment rate, also have influence on new-product development market periods, nothing simultaneously
Shape has lacked competitive advantage.
Summary of the invention
This utility model is for problem above, it is provided that a kind of simple in construction, and convenient processing improves the dome of work efficiency
Full circle back-off distribution pulled core structure inside plastic.
The technical solution of the utility model is: include A plate, slide block and B plate the most successively.
The bottom centre of described A plate is provided with die cavity, and A plate is provided with a pair laterally tiltedly tight block and a pair block the tightest, and one
The tightest block is positioned at the left and right side of die cavity, and a pair block the tightest is positioned at the forward and backward side of die cavity.
Described slide block includes a pair transverse slider and a pair longitudinal sliding block, and described transverse slider is provided with perforation one, described
The tightest block one_to_one corresponding is located in the perforation one of transverse slider.
Described longitudinal sliding block is provided with perforation two, and described longitudinal direction tiltedly tight block one_to_one corresponding is located at the perforation two of longitudinal sliding block
In.
Described B plate is provided with cross bath, and described cross bath includes a pair transverse groove and a pair cannelure, described laterally
Slide block one_to_one corresponding is located in transverse groove, and described longitudinal sliding block one_to_one corresponding is located in cannelure.
The center of described B plate is provided with through hole, and described through hole passes cross recess, is provided with push rod, described push rod in described through hole
Top be provided with main core, the corresponding described die cavity of described main core.
The medial center of described transverse slider be provided with dovetails and and longitudinal sliding block between in contact of incline plane, described laterally
The rectangular triangle in dovetail limit of the side of slide block, inner side edge and dovetails, the side of described transverse slider is perpendicular to inner side edge,
Angle between dovetail limit and the side of transverse slider of described dovetails is α.
The inside top of described transverse slider is provided with circular arc block one, and the inside top of described longitudinal sliding block is provided with circular arc block
Two, a pair circular arc block one and a pair circular arc block two form core ring, and described core ring is consistent with the centrage of main core, described core ring
Distance between outer wall and the inwall of die cavity is equal to distance D1 between outer wall and the inwall of die cavity of main core.
The top of described core ring is provided with flange, and distance D2 between outer wall and the inwall of die cavity of described flange is less than principal mode
Distance D1 between outer wall and the inwall of die cavity of core.
Described main core and core annular shaped core, described core is used for the molding of dome plastic with die cavity, and described dome is moulded
Part includes circular lid, and the inwall of described lid is provided with cannelure.
Distance S1 between described circular arc block one and push rod is more than distance S2 between circular arc block two and push rod, described circular arc
Distance S1 between block one and push rod is less than tan α.
The both sides, bottom of described transverse groove are provided with chute, and the both sides, bottom of described transverse slider are provided with slide rail, described laterally
Slide rail on slide block is located in the chute on transverse groove adaptedly.
The both sides, bottom of described cannelure are provided with chute, and the both sides, bottom of described longitudinal sliding block are provided with slide rail, described longitudinal direction
Slide rail on slide block is located in the chute on cannelure adaptedly.
Both sides with dovetails respectively, the two sides of described circular arc block one are generally aligned in the same plane.
The cross section of described push rod is square, and described circular arc block one is plane towards the one side of push rod, described circular arc block two court
It is plane to the one side of push rod.
At work, including main core, a pair transverse slider and a pair longitudinal sliding block, transverse slider is with vertical for this utility model
Using gradient to coordinate to slide block, coordinating angle is α, and just processing is on transverse slider and longitudinal sliding block, by horizontal stroke in the back-off position of full circle
Circular arc block one on slide block and the circular arc block two on longitudinal sliding block form core ring, and core ring forms core with main core, during molding
It is positioned at the die cavity of A plate.
During die sinking, the tightest block drives the distance that transverse slider has inside contracted S1 in first paragraph opening stroke, same with this
Time, the tightliest block and longitudinal sliding block have the gap diastema of S1, i.e. longitudinal sliding block remained stationary as transverse slider moves when.
After transverse slider inside contracts end, the tightest block drives longitudinal sliding block to inside contract S2's in die sinking second segment stroke
Distance, so by postponing the way loosed core step by step, it is achieved that the demoulding of full circle back-off position, its main points designing this structure need to expire
Foot S2 < S1*tan α；Finally dome plastic is ejected.
Matched moulds process is the most contrary, and longitudinal sliding block elder generation horizontal reset, then transverse slider resets again.
This utility model, by the innovative simplification design and optimization to back-off pulled core structure, shortens the Mold Making cycle,
Simplify mould structure and reduce die cost, improving mould subsequent production efficiency；Reduce die manufacturing cost and cycle, promote
The quick assembling production capacity of mould.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of transverse slider in this utility model.
Fig. 3 is the structural representation of longitudinal sliding block in this utility model.
Fig. 4 is the structural representation of B plate in this utility model.
Fig. 5 is the structural representation of dome plastic in this utility model.
Fig. 6 is the sectional view in the A-A face of Fig. 5.
Fig. 7 is the perspective view of Fig. 5.
Fig. 8 is the structural representation of core in this utility model.
Fig. 9 is the structural representation of matched moulds state in this utility model.
Figure 10 is the structural representation one of die opening state in this utility model.
Figure 11 is the structural representation two of die opening state in this utility model.
In figure, 1 is A plate, and 2 is the tightest block, and 3 is the tightest block, and 4 is main core, and 5 is transverse slider, and 50 is perforation
One, 6 is longitudinal sliding block, and 60 is perforation two, and 7 is B plate, and 71 is transverse groove, and 72 is cannelure, and 73 is through hole, and 8 is push rod, and 9 is swallow
Tail block, 10 is die cavity, and 11 is circular arc block one, and 12 is circular arc block two, and 13 is flange, and 14 is lid, and 140 is annular groove, and 15 is chute,
16 is slide rail.
Detailed description of the invention
This utility model as shown in figs. 1-11, includes A plate 1, slide block and B plate 7 the most successively.
The bottom centre of described A plate 1 is provided with die cavity 10, A plate 1 be provided with a pair laterally tiltedly tight block 2 and a pair the tightest
Block 3, a pair block 2 the tightest is positioned at the left and right side of die cavity, and a pair block 3 the tightest is positioned at the forward and backward side of die cavity.
Described slide block includes a pair transverse slider 5 and a pair longitudinal sliding block 6, and described transverse slider 5 is provided with perforation 1,
The tightest described block 2 one_to_one corresponding is located in the perforation 1 of transverse slider.
Described longitudinal sliding block 6 is provided with perforation 2 60, and described longitudinal direction tiltedly tight block 3 one_to_one corresponding is located at the perforation of longitudinal sliding block
In 2 60.
Described B plate 7 is provided with cross bath, and described cross bath includes a pair transverse groove 71 and a pair cannelure 72, institute
Stating transverse slider 5 one_to_one corresponding to be located in transverse groove 71, described longitudinal sliding block 6 one_to_one corresponding is located in cannelure 72.
The center of described B plate 7 is provided with through hole 73, and described through hole passes cross recess, is provided with push rod 8 in described through hole, described
The top of push rod is provided with main core 4, the corresponding described die cavity 10 of described main core 4.
The medial center of described transverse slider 5 be provided with dovetails 9 and and longitudinal sliding block between in contact of incline plane, described horizontal stroke
To the rectangular triangle in dovetail limit of the side of slide block 5, inner side edge and dovetails 9, in the side of described transverse slider is perpendicular to
Side, the angle between dovetail limit and the side of transverse slider of described dovetails is α.
Being provided with dovetails inside transverse slider, gradient cooperation makes transverse slider be coated between a pair longitudinal sliding block, first
Row Retraction, reliable in action.
The inside top of described transverse slider 5 is provided with circular arc block 1, and the inside top of described longitudinal sliding block 6 is provided with circular arc
Block 2 12, a pair circular arc block 1 and a pair circular arc block 2 12 form core ring, and described core ring is consistent with the centrage of main core, institute
State the distance between outer wall and the inwall of die cavity of core ring equal to distance D1 between outer wall and the inwall of die cavity of main core.
The top of described core ring is provided with flange 13, and distance D2 between outer wall and the inwall of die cavity of described flange 13 is less than
Distance D1 between outer wall and the inwall of die cavity of main core.
Described main core and core annular shaped core, described core is used for the molding of dome plastic with die cavity, and described dome is moulded
Part includes circular lid 14, and the inwall of described lid 14 is provided with cannelure 140 (described flange is for the molding of cannelure), molding
Time, core (main core and core ring) is positioned at die cavity, and the bottom surface of A plate is fitted in the end face of transverse slider and longitudinal sliding block, is formed
Closing chamber, carry out injection mo(u)lding, cast gate may be provided on A plate, cast gate connection die cavity.Flange on core ring is on molding lid
Cannelure, after molding, first inside contracts transverse slider, then inside contracts longitudinal sliding block so that the core ring demoulding, lid is positioned at main core
On, it is simple to the follow-up demoulding.
Distance S1 between described circular arc block 1 and push rod is more than distance S2 between circular arc block 2 12 and push rod, described
Distance S1 between circular arc block one and push rod is less than tan α.
The both sides, bottom of described transverse groove are provided with chute 15, and the both sides, bottom of described transverse slider are provided with slide rail 16, described
Slide rail on transverse slider is located in the chute on transverse groove adaptedly so that transverse slider reliably slides in transverse groove；
The both sides, bottom of described cannelure are provided with chute, and the both sides, bottom of described longitudinal sliding block are provided with slide rail, described longitudinal direction
Slide rail on slide block is located in the chute on cannelure adaptedly so that longitudinal sliding block reliably slides in cannelure.
Both sides with dovetails 9 respectively, the two sides of described circular arc block 1 are generally aligned in the same plane, convenient processing；So,
Side on two is generally aligned in the same plane with the side of longitudinal sliding block so that circular arc block one and circular arc block two are reliably fitted.
The cross section of described push rod is square, and described circular arc block one is plane towards the one side of push rod, described circular arc block two court
It is plane to the one side of push rod.On the one hand, convenient processing；On the other hand so that circular arc block one and circular arc block two can reliably paste
Close push rod.
Claims (4)
1. full circle back-off distribution pulled core structure inside dome plastic, it is characterised in that: include A plate, slide block and B the most successively
Plate；
The bottom centre of described A plate is provided with die cavity, and A plate is provided with a pair block the tightest and a pair block the tightest, and a pair horizontal
Be positioned at the left and right side of die cavity to the tightest block, a pair block the tightest is positioned at the forward and backward side of die cavity；
Described slide block includes a pair transverse slider and a pair longitudinal sliding block, and described transverse slider is provided with perforation one, described laterally
The tightest block one_to_one corresponding is located in the perforation one of transverse slider；
Described longitudinal sliding block is provided with perforation two, and described longitudinal direction tiltedly tight block one_to_one corresponding is located in the perforation two of longitudinal sliding block；
Described B plate is provided with cross bath, and described cross bath includes a pair transverse groove and a pair cannelure, described transverse slider
One_to_one corresponding is located in transverse groove, and described longitudinal sliding block one_to_one corresponding is located in cannelure；
The center of described B plate is provided with through hole, and described through hole passes cross recess, is provided with push rod, the top of described push rod in described through hole
Portion is provided with main core, the corresponding described die cavity of described main core；
The medial center of described transverse slider be provided with dovetails and and longitudinal sliding block between in contact of incline plane, described transverse slider
The rectangular triangle in dovetail limit of side, inner side edge and dovetails, the side of described transverse slider is perpendicular to inner side edge, described
Angle between dovetail limit and the side of transverse slider of dovetails is α；
The inside top of described transverse slider is provided with circular arc block one, and the inside top of described longitudinal sliding block is provided with circular arc block two, and one
Circular arc block one and a pair circular arc block two are formed core ring, and described core ring is consistent with the centrage of main core, the outer wall of described core ring
And the distance between the inwall of die cavity is equal to distance D1 between outer wall and the inwall of die cavity of main core；
The top of described core ring is provided with flange, and distance D2 between outer wall and the inwall of die cavity of described flange is less than main core
Distance D1 between outer wall and the inwall of die cavity；
Described main core and core annular shaped core, described core is used for the molding of dome plastic, described dome plastic bag with die cavity
Including circular lid, the inwall of described lid is provided with cannelure；
Distance S1 between described circular arc block one and push rod is more than distance S2 between circular arc block two and push rod, described circular arc block one
And distance S1 between push rod is less than tan α.
Inside dome plastic the most according to claim 1 full circle back-off distribution pulled core structure, it is characterised in that described laterally
The both sides, bottom of groove are provided with chute, and the both sides, bottom of described transverse slider are provided with slide rail, and the slide rail on described transverse slider is adaptive
Be located in the chute on transverse groove；
The both sides, bottom of described cannelure are provided with chute, and the both sides, bottom of described longitudinal sliding block are provided with slide rail, described longitudinal sliding block
On slide rail be located at adaptedly in the chute on cannelure.
Full circle back-off distribution pulled core structure inside dome plastic the most according to claim 1, it is characterised in that described circular arc
Both sides with dovetails respectively, the two sides of block one are generally aligned in the same plane.
Full circle back-off distribution pulled core structure inside dome plastic the most according to claim 1, it is characterised in that described push rod
Cross section be square, described circular arc block one is plane towards the one side of push rod, described circular arc block two towards the one side of push rod in flat
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620693175.XU CN205767297U (en) | 2016-07-04 | 2016-07-04 | Full circle back-off distribution pulled core structure inside dome plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620693175.XU CN205767297U (en) | 2016-07-04 | 2016-07-04 | Full circle back-off distribution pulled core structure inside dome plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205767297U true CN205767297U (en) | 2016-12-07 |
Family
ID=58125986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620693175.XU Withdrawn - After Issue CN205767297U (en) | 2016-07-04 | 2016-07-04 | Full circle back-off distribution pulled core structure inside dome plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205767297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946186A (en) * | 2016-07-04 | 2016-09-21 | 扬州恒生精密模具有限公司 | Internal full circle undercut distribution core pulling structure of dome plastic part |
-
2016
- 2016-07-04 CN CN201620693175.XU patent/CN205767297U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946186A (en) * | 2016-07-04 | 2016-09-21 | 扬州恒生精密模具有限公司 | Internal full circle undercut distribution core pulling structure of dome plastic part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202921772U (en) | Three-in-one composite die for can making | |
| CN201784137U (en) | Injection die | |
| CN107984702A (en) | Head casing injection mold and its application method | |
| CN205767297U (en) | Full circle back-off distribution pulled core structure inside dome plastic | |
| CN207103787U (en) | Die casting and die casting equipment | |
| CN105946186B (en) | Full circle back-off distribution pulled core structure on the inside of a kind of dome plastic | |
| CN202727272U (en) | Slider four-link mechanism | |
| CN206825821U (en) | Double-ejection reduced form mould structure | |
| CN201677436U (en) | Bidirectional ejection slider structure | |
| CN203357823U (en) | Ejection structure of mold | |
| CN203281815U (en) | Core assembly structure of precoated sand core of pump body casting | |
| CN201833550U (en) | Sliding block transverse core pulling mechanism for injection mold | |
| CN211566804U (en) | Novel slide demoulding mechanism for arc tubular products | |
| CN205326141U (en) | A piecemeal mould subassembly in kettle for kettle production | |
| CN208232256U (en) | A kind of injection mold with Double-ejection demoulding | |
| CN203831695U (en) | Forming mold for eccentric shaft | |
| CN216760507U (en) | Die structure for preventing front die oil cylinder from being pressed and retreated | |
| CN206011619U (en) | A kind of demolding structure of all-round back-off plastic mould | |
| CN104149280A (en) | Scissor forming and assembling integrated mold | |
| CN204183827U (en) | A kind of injection mold | |
| CN204209906U (en) | The shaping mould that is assembled into one of scissor | |
| CN205148793U (en) | Multilocular tee bend mould of a mould | |
| CN203994445U (en) | The shaping mould of dust catcher inner cover | |
| CN109954797A (en) | A kind of electronic component processing mold | |
| CN102873830B (en) | Backward-filling plastic mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20171103 |
|
| AV01 | Patent right actively abandoned |