CN210590377U - Deep cavity injection mold prevents pulling structure and deep cavity injection mold - Google Patents
Deep cavity injection mold prevents pulling structure and deep cavity injection mold Download PDFInfo
- Publication number
- CN210590377U CN210590377U CN201921219580.8U CN201921219580U CN210590377U CN 210590377 U CN210590377 U CN 210590377U CN 201921219580 U CN201921219580 U CN 201921219580U CN 210590377 U CN210590377 U CN 210590377U
- Authority
- CN
- China
- Prior art keywords
- injection mold
- sliding block
- block
- deep cavity
- cavity injection
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a structure is prevented pulling by dark chamber injection mold, dark chamber injection mold includes the slider, be provided with the recess on the slider, be provided with the mold insert in the recess, be provided with the through-hole in the mold insert, be provided with the core in the through-hole, the one end of core is stretched out the through-hole is used for moulding plastics side direction hole, its characterized in that: the slide block is arranged on the slide block, the elastic element is arranged between the insert and the slide block, and the stroke limiting block is used for limiting the displacement of the elastic element. The utility model discloses be provided with elastic element between well mold insert and the slider, when the product shrink, under elastic element's effect, the mold insert can bounce, follows the product and carries out the syntropy motion, has avoided the strain in product side direction hole and the fracture of core. In addition, the stroke limiting block can limit the bouncing displacement of the insert.
Description
Technical Field
The utility model relates to an injection mould technical field especially relates to a dark chamber injection mold prevents pulling structure and dark chamber injection mold.
Background
In the prior art, a core-pulling slide block structure is often adopted to manufacture lateral holes of white household appliances and automobile mould products. After the injection mould is used for injection molding, the product has the problem of volume shrinkage. The product of dark chamber is because high too high, and the back product shrink of moulding plastics, when the slider of loosing core has not made the action yet, and the side direction hole has changed original position towards the shrink direction on the product, leads to the side direction hole of product to appear pulling the phenomenon, even appears loosing core on the slider and split.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a deep cavity injection mold prevents pulling structure to solve the problem that above-mentioned prior art exists, avoided because the lateral direction hole that the product shrink leads to pulls and the cracked problem of core.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a deep cavity injection mold prevents pulling structure, deep cavity injection mold includes the slider, be provided with the recess on the slider, be provided with the mold insert in the recess, be provided with the through-hole in the mold insert, be provided with the core in the through-hole, the one end of core is stretched out the through-hole is used for moulding plastics side direction hole, including stroke stopper and elastic element, the stroke stopper be used for set up in on the slider, elastic element be used for set up in the mold insert with between the slider, the stroke stopper is used for the restriction elastic element's displacement.
Preferably, a first step is arranged on the stroke limiting block, a second step is arranged on the insert, the first step is matched with the second step, a gap exists between the first step and the second step, and the first step and the second step can be contacted under the action of the elastic element.
Preferably, the elastic element is a spring.
Preferably, a gap distance between the first step and the second step is a shrinkage amount of the manufactured product.
The utility model also provides a dark chamber injection mold, including movable mould, cover half and dark chamber injection mold prevents pulling the structure, the slider set up in on the movable mould.
Preferably, an inclined guide pillar fixing block is arranged on the fixed die, the sliding block is matched with the inclined guide pillar fixing block, an inclined guide pillar is arranged on the inclined guide pillar fixing block, a first inclined guide pillar guide hole is further formed in the sliding block, a second inclined guide pillar guide hole is formed in the movable die, and the first inclined guide pillar guide hole and the second inclined guide pillar guide hole are used for guiding the inclined guide pillar.
Preferably, the upper end of the insert, the upper end of the sliding block and the fixed die are matched through planes, one side of the sliding block is matched with the fixed die through an inclined plane, and a first wear-resisting block is arranged between one side of the sliding block and the fixed die.
Preferably, the movable die is provided with a slider extraction limiting block, a gap exists between the slider extraction limiting block and the slider, and the slider extraction limiting block is used for limiting the displacement of the slider relative to the movable die in the axial direction of the core.
Preferably, two pressing strips are arranged on the movable die, the two pressing strips are respectively positioned on two sides of the sliding block, and the pressing strips are used for enabling the sliding block not to be separated from the movable die.
Preferably, a second wear-resistant block is arranged between the lower end of the sliding block and the movable die; and a sliding block positioner is arranged on the movable die.
The utility model discloses for prior art gain following technological effect:
the utility model discloses be provided with elastic element between well mold insert and the slider, when the product shrink, under elastic element's effect, the mold insert can bounce, follows the product and carries out the syntropy motion, has avoided the strain in product side direction hole and the fracture of core. In addition, the stroke limiting block can limit the bouncing displacement of the insert.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic view of the mold of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a second schematic view of the mold of the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
wherein: 1-slide block, 2-insert, 3-stroke limiting block, 4-first step, 5-second step, 6-spring, 7-core, 8-first inclined guide column guide hole, 9-movable mold, 10-fixed mold, 11-inclined guide column, 12-inclined guide column fixing block, 13-first wear-resistant block, 14-slide block extraction limiting block, 15-pressing strip, 16-second wear-resistant block and 17-slide block locator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing a deep cavity injection mold prevents pulling structure to solve the problem that above-mentioned prior art exists, avoided because the lateral hole that the product shrink leads to pulls and the cracked problem of core.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-4: this embodiment provides a deep cavity injection mold prevents pulling structure, and deep cavity injection mold includes slider 1, is provided with the recess on the slider 1, is provided with mold insert 2 in the recess, is provided with the through-hole in the mold insert 2, is provided with core 7 in the through-hole, and the one end of core 7 stretches out the through-hole and is used for moulding plastics the side hole, including stroke stopper 3 and elastic element, stroke stopper 3 is used for setting up on slider 1, and elastic element is used for setting up between mold insert 2 and slider 1, and stroke stopper 3 is used for restricting elastic element's displacement. In this embodiment, an elastic element is arranged between the insert 2 and the slider 1, and when the product contracts (along the direction indicated by the arrow in the figure), the insert 2 can bounce to move in the same direction along with the product under the action of the elastic element, so that strain of the lateral hole of the product and breakage of the core 7 are avoided. In addition, the stroke stopper 3 can restrict the pop-up displacement of the insert 2.
In this embodiment, be provided with first step 4 on the stroke stopper 3, be provided with second step 5 on the mold insert 2, first step 4 and second step 5 phase-match, have the clearance between first step 4 and the second step 5, and the elastic element is preferred to be spring 6, and under the effect of spring 6, first step 4 and second step 5 can contact.
In the present embodiment, the gap distance between the first step 4 and the second step 5 is the shrinkage of the manufactured product, that is, the spring 6 is sprung up under the restriction of the stroke limiting block 3.
The embodiment also provides a deep cavity injection mold, including movable mould 9, cover half 10 and deep cavity injection mold anti-pulling structure, movable mould 9 and cover half 10 set up relatively, and slider 1 sets up on movable mould 10.
In this embodiment, be provided with oblique guide pillar fixed block 12 on the cover half 10, oblique guide pillar fixed block 12 passes through bolt fixed connection with cover half 10, slider 1 and oblique guide pillar fixed block 12 phase-match are provided with oblique guide pillar 11 on the guide pillar fixed block 12 to one side, still are provided with first oblique guide pillar guiding hole 8 on the slider 1, are provided with the oblique guide pillar guiding hole of second on the movable mould 9, and first oblique guide pillar guiding hole 8 and the oblique guide pillar guiding hole of second are used for playing the guide effect to oblique guide pillar 11.
In this embodiment, the upper end of the insert 2 and the upper end of the slider 1 are both matched with the fixed mold 10 through planes, one side of the slider 1, which is far away from the insert 2, is matched with the fixed mold 10 through an inclined plane, so that the fixed mold 10 is tightly matched with the slider 1, a first wear-resistant block 13 is arranged between one side of the fixed mold 10, which is far away from the insert 2, and the slider 1, the first wear-resistant block 13 is fixed on the fixed mold 10 through a bolt, and the first wear-resistant block 13 prevents wear between the fixed mold 10 and the.
In this embodiment, the movable mold 9 is provided with a slider extraction limiting block 14, a gap exists between the slider extraction limiting block 14 and the slider 1, the slider extraction limiting block 14 is used for limiting displacement of the deep cavity injection mold in the axial direction of the pulling-resistant structure along the core 7, and after injection molding of the product lateral hole is completed, the slider 1 is retreated by a certain distance to exit the product lateral hole.
In this embodiment, the movable die 9 is provided with two pressing strips 15, the pressing strips 15 are fixedly connected with the movable die 9 through bolts, the two pressing strips 15 are respectively located at two sides of the sliding block 1, the pressing strips 15 are used for preventing the sliding block 1 from separating from the movable die 9, and the sliding block 1 can move along the axial direction of the core 7 under the limitation of the pressing strips 15 to complete the movement of entering or exiting a lateral hole of a product.
In the embodiment, a second wear-resistant block 16 is arranged between the lower end of the sliding block 1 and the movable mold 9, so that the movable mold 9 and the sliding block 1 are prevented from being worn; the movable die 9 is provided with a slide block positioner 17, the slide block positioner 17 is fixedly connected with the movable die 9 through a bolt, the slide block positioner 17 is used for positioning the position of the slide block 1 during die installation, and the slide block positioner 17 cannot limit the axial movement of the slide block 1 along the core 7.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides a deep cavity injection mold prevents pulling structure, deep cavity injection mold includes the slider, be provided with the recess on the slider, be provided with the mold insert in the recess, be provided with the through-hole in the mold insert, be provided with the core in the through-hole, the one end of core stretches out the through-hole and is used for moulding plastics side direction hole, its characterized in that: the slide block is arranged on the slide block, the elastic element is arranged between the insert and the slide block, and the stroke limiting block is used for limiting the displacement of the elastic element.
2. The deep cavity injection mold pulling damage prevention structure of claim 1, wherein: the stroke limiting block is provided with a first step, the insert is provided with a second step, the first step is matched with the second step, a gap exists between the first step and the second step, and the first step can be in contact with the second step under the action of the elastic element.
3. The deep cavity injection mold pulling damage prevention structure of claim 1, wherein: the elastic element is a spring.
4. The deep cavity injection mold pulling damage prevention structure of claim 2, wherein: the gap distance between the first step and the second step is the shrinkage of the manufactured product.
5. The utility model provides a dark chamber injection mold which characterized in that: the deep cavity injection mold pulling damage preventing structure comprises a movable mold, a fixed mold and the deep cavity injection mold pulling damage preventing structure according to any one of claims 1 to 4, wherein the sliding block is arranged on the movable mold.
6. The deep cavity injection mold of claim 5, wherein: the die is characterized in that an inclined guide pillar fixing block is arranged on the fixed die, the sliding block is matched with the inclined guide pillar fixing block, an inclined guide pillar is arranged on the inclined guide pillar fixing block, a first inclined guide pillar guide hole is formed in the sliding block, a second inclined guide pillar guide hole is formed in the movable die, and the first inclined guide pillar guide hole and the second inclined guide pillar guide hole are used for guiding the inclined guide pillar.
7. The deep cavity injection mold of claim 5, wherein: the upper end of the insert, the upper end of the sliding block and the fixed die are matched through planes, one side of the sliding block and the fixed die are matched through an inclined plane, and a first wear-resisting block is arranged between one side of the sliding block and the fixed die.
8. The deep cavity injection mold of claim 5, wherein: the movable die is provided with a sliding block extraction limiting block, a gap exists between the sliding block extraction limiting block and the sliding block, and the sliding block extraction limiting block is used for limiting the displacement of the sliding block relative to the movable die in the axial direction of the core.
9. The deep cavity injection mold of claim 5, wherein: two pressing strips are arranged on the movable die and are respectively positioned on two sides of the sliding block, and the pressing strips are used for enabling the sliding block not to be separated from the movable die.
10. The deep cavity injection mold of claim 5, wherein: a second wear-resistant block is arranged between the lower end of the sliding block and the movable die; and a sliding block positioner is arranged on the movable die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921219580.8U CN210590377U (en) | 2019-07-31 | 2019-07-31 | Deep cavity injection mold prevents pulling structure and deep cavity injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921219580.8U CN210590377U (en) | 2019-07-31 | 2019-07-31 | Deep cavity injection mold prevents pulling structure and deep cavity injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210590377U true CN210590377U (en) | 2020-05-22 |
Family
ID=70719738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921219580.8U Active CN210590377U (en) | 2019-07-31 | 2019-07-31 | Deep cavity injection mold prevents pulling structure and deep cavity injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210590377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480957A (en) * | 2019-07-31 | 2019-11-22 | 宁波跃飞模具有限公司 | A kind of depth chamber injection mold is anti-to pull structure and deep chamber injection mold |
-
2019
- 2019-07-31 CN CN201921219580.8U patent/CN210590377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480957A (en) * | 2019-07-31 | 2019-11-22 | 宁波跃飞模具有限公司 | A kind of depth chamber injection mold is anti-to pull structure and deep chamber injection mold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO1979000235A1 (en) | Metal die for injection moulding | |
| CN210590377U (en) | Deep cavity injection mold prevents pulling structure and deep cavity injection mold | |
| CN110421796B (en) | Mould secondary core-pulling structure for replacing slider hinge tooth structure | |
| CN201064938Y (en) | Inclined knockout core die | |
| CN105563762B (en) | Female die inclined core pulling structure | |
| CN202199660U (en) | Nitrogen spring type composite trimming device | |
| US20110256258A1 (en) | Lens molding die and injection molding device having same | |
| CN108327186B (en) | Multidirectional core-pulling locking connection die | |
| CN208978188U (en) | A kind of injection mold | |
| KR100940804B1 (en) | Two-Step Slide Mold for Switch Lever | |
| CN205438996U (en) | Box -like forming part of lamella of end cover | |
| CN110480957A (en) | A kind of depth chamber injection mold is anti-to pull structure and deep chamber injection mold | |
| CN112059142A (en) | Long core-pulling needle structure of casting mold | |
| CN207808352U (en) | Injection mold multi-angle core-pulling mechanism | |
| CN107364088B (en) | Stop mechanism for preventing injection molding part from sticking to mold during core pulling back | |
| CN219171574U (en) | Plastic mould structure | |
| CN205763738U (en) | A kind of core-pulling mechanism of die casting | |
| CN208759938U (en) | A kind of sliding block inner core pulling structure | |
| CN220095396U (en) | Die for pipe fitting joint | |
| CN111516219B (en) | Core pulling structure of mold | |
| CN217531533U (en) | Sliding block mechanism in oil cylinder core-pulling sliding block sleeve | |
| CN219402273U (en) | Die casting die ejection mechanism and casting die | |
| CN218489012U (en) | Mould mechanism of loosing core | |
| CN219968570U (en) | Core pulling mechanism for inclined sliding block | |
| CN209580385U (en) | A kind of mechanism for preventing core pulling from falling back |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |