CN109501167A - Core pulling ramp-roof structure and injection mold - Google Patents
Core pulling ramp-roof structure and injection mold Download PDFInfo
- Publication number
- CN109501167A CN109501167A CN201811618999.0A CN201811618999A CN109501167A CN 109501167 A CN109501167 A CN 109501167A CN 201811618999 A CN201811618999 A CN 201811618999A CN 109501167 A CN109501167 A CN 109501167A
- Authority
- CN
- China
- Prior art keywords
- core pulling
- seat
- rear mold
- needle plate
- oblique top
- 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.)
- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 13
- 239000007924 injection Substances 0.000 title claims abstract description 13
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920006834 PC+ABS Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses core pulling ramp-roof structure, including rear mold top plate, core pulling slide, the core pulling seat being arranged in rear mold, core pulling needle plate and guide pad on the outside of rear mold is arranged in, the core pulling slide is fixedly mounted on rear mold top plate, rear mold top plate is connected by drag hook with rear mold, and rear mold is connected by the drag hook with preceding mould.Guide pad is fixedly mounted on inside rear mold, and side wall and the guide pad of core pulling seat are slidably matched, and one end of core pulling seat is connected with the sliding of core pulling slide.Core pulling needle plate is located at the inside of core pulling seat, and is fixed in rear mold.Multiple core pulling oblique top groups are provided on core pulling needle plate, each core pulling oblique top group includes that oblique top slider guide and at least one core pulling oblique top, each core pulling oblique top one end are movably connected with core pulling needle plate.Each oblique top slider guide is fixedly linked with core pulling seat, core pulling oblique top movement of the oblique top slider guide driving with group.Invention additionally discloses injection molds.Structure of the invention is ingenious in design, reduces cost of manufacture, reduces the time of die sinking, improves production efficiency, high yield rate.
Description
Technical field
The present invention relates to injection mold technologies, and in particular to core pulling ramp-roof structure and injection mold.
Background technique
Automobile glove box by PC+ABS material use mold integrated injection molding, glove box after in-mold molding, due to
There are back-off structures, it is therefore desirable to core pulling is set in rear mold, in addition, there is more muscle position on the non-appearance face of glove box,
There is also many places back-off on its muscle position, before preceding mould and rear mold die sinking, need that back-off is exited in core pulling, the oblique top on muscle position exits down
Button.Due to there are many places back-off, needing core pulling and oblique top before die sinking to exit back-off, just it is avoided that mould is hit in core pulling, tiltedly
If back-off is not exited on top, the muscle position and fixed block that will lead on the non-appearance face of glove box are destroyed.If for core pulling and
Each oblique top configures independent driving mechanism, and will lead to mold, structure is complicated, and increased production cost, technique fabrication and installation difficulty
Greatly.Therefore it needs to design the structure that core pulling oblique top and oblique top can be made to exit back-off before die sinking.
Summary of the invention
In view of the above shortcomings of the prior art, it is an object of the invention to propose core pulling ramp-roof structure, before die sinking, guarantee
Core pulling and oblique top exit back-off, and structure is simple, manufacture difficulty and at low cost.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
Core pulling ramp-roof structure, including rear mold top plate, core pulling slide, the core pulling being arranged in rear mold on the outside of rear mold is arranged in
Seat, core pulling needle plate and guide pad, the core pulling slide are fixedly mounted on rear mold top plate, and rear mold top plate passes through drag hook and rear mold phase
Even, rear mold is connected by the drag hook with preceding mould.The guide pad is fixedly mounted on inside rear mold, the side wall and guiding of core pulling seat
Block is slidably matched, and one end of core pulling seat is connected with the sliding of core pulling slide.The core pulling needle plate is located at the inside of core pulling seat, and fixed
In rear mold.Multiple core pulling oblique top groups are provided on core pulling needle plate, each core pulling oblique top group includes oblique top slider guide and at least one
A core pulling oblique top, each core pulling oblique top one end are movably connected with core pulling needle plate.Each oblique top slider guide is fixedly linked with core pulling seat, oblique top
Core pulling oblique top movement of the slider guide driving with group.
Preferably, the side that core pulling slide is connected with core pulling seat offers sliding slot, and core pulling slide is protruded into one end of core pulling seat
Sliding slot in be slidably matched with it, core pulling slide move when, driving core pulling seat move.
Preferably, core pulling seat is U-shaped structure, and the side wall of the guide pad and core pulling seat that have both guiding and supporting role is sliding
Dynamic cooperation, the side of core pulling seat is provided with the latch segment for being used to support core pulling seat outer wall.
Preferably, the core pulling needle plate includes core pulling bottom needle plate and core pulling face needle plate, core pulling bottom needle plate and core pulling face needle plate
It is fixedly linked.One end of each core pulling oblique top is equipped with an oblique-top sliding seat, and hinged with the oblique-top sliding seat, and all oblique-top sliding seats are equal
In the needle plate of core pulling face, it is slidably matched with core pulling face needle plate.
Preferably, each core pulling oblique top is the square oblique top of square-section, the described one end of core pulling oblique top far from oblique-top sliding seat,
Oblique top elbow is bent to form to side.
Preferably, the lateral wall of core pulling seat is equipped with wearing plate, and the wearing plate is mainly made of high-tensile strength brass and graphite
's.
Invention additionally discloses injection molds.
Injection mold, including preceding mould and rear mold, which is characterized in that the rear mold is equipped with above-mentioned core pulling ramp-roof structure,
Mould jacking block before being additionally provided in preceding mould, preceding mould are equipped with the straight mandril of preceding mould that can eject preceding mould jacking block out of preceding mould.The preceding mould top
On block, equipped with the product piece ejecting mechanism for ejecting product piece from preceding mould jacking block.
Preferably, the two sides that preceding mould is located at its type chamber are symmetrical arranged there are two front mold slide, the front mold slide and preceding mould
It is slidably matched, preceding mould sliding drives its movement by sliding block oil cylinder.
Preferably, product piece ejecting mechanism includes jacking block needle plate, and jacking block needle plate is slidably matched with preceding mould jacking block, and one side is set
It is equipped with the straight mandril of multiple jacking blocks, the end of each straight mandril of jacking block is equipped with a small jacking block.The other side of jacking block needle plate, is equipped with
The jacking block oil cylinder for driving it to move, under working condition, jacking block oil cylinder drives small jacking block movement by jacking block needle plate, by product piece from
It is ejected on preceding mould jacking block.
By using above-mentioned technical proposal, the method have the benefit that: the present invention is opened twice by design
Structure, solves core pulling and core pulling oblique top exits back-off before die sinking, and core pulling is driven by the pulling force being opened for the first time, core pulling oblique top
It links with core pulling, core pulling oblique top exits back-off in core pulling fallback procedures, and smart structural design reduces the time of die sinking, improves
Production efficiency, high yield rate.
Detailed description of the invention
Fig. 1 is the principle schematic diagram of core pulling ramp-roof structure of the present invention.
Fig. 2 is the structural schematic diagram of certain a part of Fig. 1 present invention, thus it is shown that core pulling needle plate and core pulling oblique top group.
Fig. 3 is the principle schematic diagram of injection mold of the present invention.
Fig. 4 is the partial structural diagram of Fig. 3, thus it is shown that preceding mould jacking block, core pulling needle plate and core pulling oblique top group.
Fig. 5 shows the schematic diagram of internal structure of preceding mould jacking block in Fig. 3.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
Embodiment 1, core pulling ramp-roof structure combined with Figure 1 and Figure 2, including rear mold top plate 1 on the outside of rear mold, core pulling is arranged in
Slide 2, the core pulling seat 3 being arranged in rear mold, core pulling needle plate 4 and guide pad 5, the core pulling slide 2 are fixedly mounted on rear mold top
On plate 1, rear mold top plate 1 is connected by drag hook with rear mold, meanwhile, rear mold is connected by the drag hook with preceding mould.Core pulling slide 2 with
The adjacent side of core pulling seat 3 offers sliding slot, and one end of core pulling seat 3 is protruded into the sliding slot of core pulling slide 2 and is slidably matched with it,
When core pulling slide 2 is moved relative to rear mold, core pulling seat 3 is driven to move relative to rear mold, meanwhile, core pulling seat 3 and 2 phase of core pulling slide
For sliding.The lateral wall of core pulling seat 3 is equipped with wearing plate 31, and the wearing plate 31 is mainly made of high-tensile strength brass and graphite
, have a higher wear-resisting property, when core pulling seat 3 is moved relative to rear mold, on the outside of wearing plate 31 and rear mold sliding friction.
The guide pad 5 is located at the inside of rear mold, and is detachably fixed and is connected together with rear mold, the side wall of core pulling seat 3
It is slidably matched with guide pad 5, guide pad 5 has both guiding and supporting role, and one end of the core pulling seat 3 and core pulling slide 2 slide
It is connected.Core pulling seat 3 is U-shaped structure, and the side outer wall of the guide pad 5 and core pulling seat 3 that have both guiding and supporting role slides
Cooperation guarantees that core pulling seat 3 moves along a straight line relative to rear mold.The other side of the core pulling seat 3, is provided with and is used to support core pulling seat
The latch segment 6 of 3 outer walls, latch segment 6 drive it close to or far from core pulling seat 3 by the oil cylinder being mounted in rear mold, and latch segment 6 can be locked
Tight core pulling seat 3 prevents when injection molding core pulling seat 3 to be under pressure retrogressing.
The core pulling needle plate 4 is located at the inside of core pulling seat 3, and is fixedly linked together with rear mold, is moved through in core pulling seat 3
Cheng Zhong, core pulling needle plate 4 are constant relative to rear mold position.The core pulling needle plate 4 includes core pulling bottom needle plate 41 and core pulling face needle plate 42,
Core pulling bottom needle plate 41 and core pulling face needle plate 42 are bolted and are connected as a body.It is oblique that multiple core pullings are provided on core pulling needle plate 4
Top group 7, multiple core pulling oblique top groups 7 are regularly arranged on the inside of rear mold, and core pulling oblique top group 7 includes that oblique top slider guide 71 and core pulling are oblique
Top 72, each core pulling oblique top group 7 have an oblique top slider guide 71 and at least one core pulling oblique top 72, each core pulling oblique top group 7
The quantity of core pulling oblique top 72 be usually two, described each 72 one end of core pulling oblique top is movably connected with core pulling needle plate 4.Core pulling oblique top
72 be the rod-like structure of square-section, core pulling oblique top those skilled in the art side of being called oblique top of the type.
One end of core pulling oblique top 72 is provided with oblique-top sliding seat 73, the end of the corresponding core pulling oblique top 72 of oblique-top sliding seat 73
Hingedly, the one end of core pulling oblique top 72 far from oblique-top sliding seat 73 is bent to form oblique top elbow to side, and oblique top is curved in injection moulding process
Head forms back-off in product piece.The inside of the core pulling face needle plate 42 is provided with and a pair equal with core pulling oblique top 7 quantity of group
The slide mounting groove answered, the oblique-top sliding seat 73 of all 72 ends of core pulling oblique top of each core pulling oblique top group 7, it is right with it to be arranged at
In the slide mounting groove answered, each oblique-top sliding seat 73 is slidably matched with core pulling face needle plate 42.Each oblique top slider guide 71 with
Core pulling seat 3 is fixedly linked, and moves with core pulling seat 3, and it is oblique that the core pulling oblique top 72 of same core pulling oblique top group 7 both passes through the core pulling
The oblique top slider guide 71 of top group 7, and be axially slidably matched with oblique top slider guide 71 along it, it is retreated in core pulling seat 3 relative to rear mold
When, each driving of oblique top slider guide 71 exits back-off with all core pulling oblique tops 72 of group with it.
Embodiment 2, in conjunction with Fig. 3 to Fig. 5, injection mold, including preceding mould, rear mold and drag hook, which is characterized in that the rear mold
It is equipped with above-mentioned core pulling ramp-roof structure, mould jacking block 8 before being additionally provided in preceding mould, preceding mould is equipped with can be by preceding mould jacking block 8 out of preceding mould
The straight mandril 81 of preceding mould of ejection.Preceding mould is located at the two sides of its type chamber, and arranged symmetrically there are two front mold slide 10, the front mold slides
10 are slidably matched with preceding mould, and front mold slide 10 drives its movement by sliding block oil cylinder, and after preceding mould and rear mold die sinking, two preceding moulds are sliding
Block 10 is moved to two sides exit back-off after, preceding mould jacking block 8 could eject product piece out of preceding mould, and the product piece being ejected stays in
On preceding mould jacking block 8.On the preceding mould jacking block 8, equipped with the product piece ejecting mechanism 9 for ejecting product piece from preceding mould jacking block 8.?
Under molding state, preceding mould, rear mold and the rear mold top plate 1 of injection mold are fixedly linked together by drag hook, die sinking process point
It carries out twice, die sinking for the first time is that rear mold and rear mold top plate are opened, and core pulling seat 3 and core pulling oblique top 72 exit back-off, open for the second time
Mould is that rear mold and preceding mould are opened, and before product piece stays in after the completion of second of die sinking on mould, later, two front mold slides 10 are exited down
Button.
Product piece ejecting mechanism 9 includes jacking block needle plate 91, and the inside of preceding mould jacking block 8, and preceding mould is arranged in jacking block needle plate 91
Jacking block 8 is slidably matched with preceding mould jacking block 8, and jacking block oil cylinder 92, the fixed peace of the jacking block oil cylinder 92 is arranged in the side of jacking block needle plate 91
On preceding mould jacking block 8, jacking block oil cylinder 92 drives jacking block needle plate 91 to move.It is straight that the side of jacking block needle plate 91 is provided with multiple jacking blocks
One end of mandril 94, each straight mandril 94 of jacking block is fixedly linked with jacking block needle plate 91, and the end of the other end is respectively and fixedly provided with a small top
Block 93, jacking block needle plate 91 drive the straight mandril 94 of jacking block and small jacking block 93 to move together.Product piece is with preceding mould jacking block 8 by preceding mould
After straight mandril 81 is ejected out of preceding mould, jacking block oil cylinder 92 drives small jacking block 93 to move by jacking block needle plate 91, in the past by product piece
It is ejected on mould jacking block 8.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (9)
1. core pulling ramp-roof structure, including rear mold top plate, core pulling slide, the core pulling being arranged in rear mold on the outside of rear mold is arranged in
Seat, core pulling needle plate and guide pad, which is characterized in that the core pulling slide is fixedly mounted on rear mold top plate, and rear mold top plate passes through
Drag hook is connected with rear mold, and rear mold is connected by the drag hook with preceding mould；The guide pad is fixedly mounted on inside rear mold, core pulling seat
Side wall be slidably matched with guide pad, one end of core pulling seat is connected with the sliding of core pulling slide；The core pulling needle plate is located at core pulling seat
Inside, and be fixed in rear mold；Multiple core pulling oblique top groups are provided on core pulling needle plate, each core pulling oblique top group includes that oblique top is led
Sliding block and at least one core pulling oblique top, each core pulling oblique top one end are movably connected with core pulling needle plate；Each oblique top slider guide and core pulling seat
It is fixedly linked, core pulling oblique top movement of the oblique top slider guide driving with group.
2. core pulling ramp-roof structure according to claim 1, which is characterized in that open the side that core pulling slide is connected with core pulling seat
Equipped with sliding slot, one end of core pulling seat is protruded into the sliding slot of core pulling slide and is slidably matched with it, when core pulling slide moves, driving core pulling
Seat movement.
3. core pulling ramp-roof structure according to claim 1, which is characterized in that core pulling seat is U-shaped structure, has both guiding and branch
The guide pad of support effect and the snug engagement of core pulling seat, the side of core pulling seat, which is provided with, is used to support core pulling seat outer wall
Latch segment.
4. core pulling ramp-roof structure according to claim 1, which is characterized in that the core pulling needle plate include core pulling bottom needle plate and
Core pulling face needle plate, core pulling bottom needle plate and core pulling face needle plate are fixedly linked；One end of each core pulling oblique top is equipped with an oblique-top sliding seat,
And it is hinged with the oblique-top sliding seat, all oblique-top sliding seats are respectively positioned in the needle plate of core pulling face, are slidably matched with core pulling face needle plate.
5. core pulling ramp-roof structure according to claim 4, which is characterized in that each core pulling oblique top is that the side of square-section is oblique
Top, the described one end of core pulling oblique top far from oblique-top sliding seat is bent to form oblique top elbow to side.
6. core pulling ramp-roof structure according to claim 1, which is characterized in that the lateral wall of core pulling seat is equipped with wearing plate,
The wearing plate is mainly made of high-tensile strength brass and graphite.
7. injection mold, including preceding mould and rear mold, which is characterized in that the rear mold is equipped with such as claim 1 to 6 any one
The core pulling ramp-roof structure, mould jacking block before being additionally provided in preceding mould, preceding mould are equipped with before can ejecting preceding mould jacking block out of preceding mould
The straight mandril of mould；On the preceding mould jacking block, equipped with the product piece ejecting mechanism for ejecting product piece from preceding mould jacking block.
8. injection mold according to claim 7, which is characterized in that the two sides that preceding mould is located at its type chamber are symmetrically arranged with two
A front mold slide, the front mold slide are slidably matched with preceding mould, and preceding mould sliding drives its movement by sliding block oil cylinder.
9. injection mold according to claim 7, which is characterized in that product piece ejecting mechanism includes jacking block needle plate, jacking block
Needle plate is slidably matched with preceding mould jacking block, and one side is provided with the straight mandril of multiple jacking blocks, and the end of each straight mandril of jacking block is equipped with
One small jacking block；The other side of jacking block needle plate, equipped with the jacking block oil cylinder for driving its movement, under working condition, jacking block oil cylinder passes through
Jacking block needle plate drives small jacking block movement, and product piece is ejected from preceding mould jacking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618999.0A CN109501167B (en) | 2018-12-28 | 2018-12-28 | Core-pulling inclined ejection structure and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618999.0A CN109501167B (en) | 2018-12-28 | 2018-12-28 | Core-pulling inclined ejection structure and injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109501167A true CN109501167A (en) | 2019-03-22 |
| CN109501167B CN109501167B (en) | 2024-02-23 |
Family
ID=65755970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811618999.0A Active CN109501167B (en) | 2018-12-28 | 2018-12-28 | Core-pulling inclined ejection structure and injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109501167B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561701A (en) * | 2019-09-09 | 2019-12-13 | 华域视觉科技(上海)有限公司 | cross core pulling structure and injection mold |
| CN111168944A (en) * | 2020-01-10 | 2020-05-19 | 宁波方正汽车模具股份有限公司 | Twice-action core-pulling mechanism of injection mold of air inlet casing of automobile engine |
| CN113977875A (en) * | 2021-09-30 | 2022-01-28 | 歌尔股份有限公司 | Demolding structure and mold device |
| CN114750374A (en) * | 2021-08-23 | 2022-07-15 | 宁波均胜群英汽车系统股份有限公司 | Multi-angle core-pulling mold structure |
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| CN114750374A (en) * | 2021-08-23 | 2022-07-15 | 宁波均胜群英汽车系统股份有限公司 | Multi-angle core-pulling mold structure |
| CN114750374B (en) * | 2021-08-23 | 2023-12-05 | 宁波均胜群英汽车系统股份有限公司 | Mould structure of multi-angle loose core |
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| CN113977875B (en) * | 2021-09-30 | 2024-02-09 | 歌尔股份有限公司 | Demolding structure and mold device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109501167B (en) | 2024-02-23 |
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