CN210233841U - Plastic cover injection mold with four-side buckling structure - Google Patents
Plastic cover injection mold with four-side buckling structure Download PDFInfo
- Publication number
- CN210233841U CN210233841U CN201921210120.9U CN201921210120U CN210233841U CN 210233841 U CN210233841 U CN 210233841U CN 201921210120 U CN201921210120 U CN 201921210120U CN 210233841 U CN210233841 U CN 210233841U
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- Prior art keywords
- core
- taper pin
- injection mold
- plastic cover
- groove
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- 239000004033 plastic Substances 0.000 title claims abstract description 26
- 229920003023 plastic Polymers 0.000 title claims abstract description 26
- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 239000003292 glue Substances 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 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 a position structure plastic cover injection mold is detained on four sides. This position structure plastic cover injection mold is detained on four sides is provided with four side taper pins, and when the product was moulded plastics, four side taper pins and the synthetic complete core of core, the plastics lid that has the back-off groove of moulding plastics out, during the die sinking, through promoting taper pin locating plate promotion taper pin rebound, the back-off groove boss on the taper pin is because the slant of taper pin is slided upward and is inwards shrunk to deviate from the back-off groove of product, avoid detaining the position and strain and mould damage.
Description
Technical Field
The utility model relates to an injection mold especially relates to a position structure plastic cover injection mold is detained on four sides.
Background
Position structure plastic cover injection mold is detained on traditional four sides adopts the arc knot point of the formula of going up lower mould formula of taking off by force more, position structure plastic cover product is detained on four sides as shown in fig. 1, including lid a, lid edge inboard is provided with back-off groove b all around, with the cooperation of the back-off groove boss on the mould, after the product shaping, the upper and lower mould takes off by force, directly pull out the back-off groove boss with the product of mould, easily make the product detain the position point and strain, can not reach qualified pulling force with supporting plastic cover cooperation, torsion and separating force, the product size is wayward, reduce the grade of whole product, the damage also appears easily in back-off groove boss department on the mould simultaneously, influence the life of mould.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a position structure plastic cover injection mold is detained on four sides.
The utility model adopts the following technical scheme:
the utility model provides a position structure plastic cover injection mold is detained on four sides, including preceding model chamber board, back mould push pedal and core, a plurality of cores are pegged graft fixedly with the back mould push pedal, four sides of core are provided with the taper pin draw-in groove respectively, sliding connection has the taper pin on the taper pin draw-in groove of four sides respectively, the indent is provided with the cross-section for trapezoidal chute on the taper pin inclined plane, the taper pin draw-in groove corresponds the chute and is provided with the cross-section for trapezoidal slide rail, chute and the guide rail cooperation of taper pin, the taper pin slides from top to bottom along the taper pin draw-in groove, taper pin outside surface is.
Preferably, a mold core glue inlet hole is formed in the mold core in a penetrating mode.
Preferably, a mold core water conveying hole is formed in the mold core.
Preferably, the center of the water conveying hole of the mold core is provided with a water conveying hole water-proof sheet.
Preferably, the bottom of the angle pin is provided with an angle pin positioning plate.
Preferably, a mold core positioning boss is fixedly arranged on the mold core. The mold core positioning boss is convenient for the insertion of the mold core and the rear mold push plate.
Compared with the prior art, this position structure plastic cover injection mold is detained on four sides is provided with four side taper pins, and when the product was moulded plastics, four side taper pins and the synthetic complete core of core, the plastics lid that has the back-off groove of moulding plastics, during the die sinking, through promoting taper pin locating plate promotion taper pin rebound, the back-off groove boss on the taper pin is because the slant of taper pin is slided upward and is inwards shrunk to deviate from the back-off groove of product, avoid detaining the position and strain and mould damage.
Drawings
FIG. 1 is a schematic view of a four-sided snap-fit plastic closure;
fig. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a core of the present invention;
FIG. 4 is a schematic view of a structure at I in FIG. 1;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 6 is a schematic structural view of the angle pin of the present invention;
in the figure: a. the cover body, the back-off groove of b, 1, mold core fortune water hole, 2, mold core advance the jiao Kong, 3, fortune water hole water proof piece, 4, taper pin draw-in groove, 5, mold core location boss, 6, taper pin locating plate, 7, back-off groove boss, 8, preceding model chamber board, 9, back mould push pedal, 10, mold core, 11, taper pin.
Detailed Description
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example (b): as shown in fig. 2-5, a plastic cover injection mold with a four-side buckling structure comprises a front mold cavity plate 8, a rear mold push plate 9 and a mold core 10, wherein eight mold cores are fixedly spliced with the rear mold push plate, inclined pin clamping grooves 4 are respectively formed in four sides of the mold core, inclined pins 11 are respectively connected to the inclined pin clamping grooves in the four sides in a sliding manner, inclined grooves with trapezoidal sections are concavely formed in inclined surfaces of the inclined pins, the inclined pin clamping grooves are provided with sliding rails with trapezoidal sections corresponding to the inclined grooves, the inclined pins are matched with the guiding rails of the inclined pins and slide up and down along the inclined pin clamping grooves, inverted buckling groove bosses 7 are arranged on the outer side surfaces of the inclined pins, mold core glue inlet holes 2 are formed in the mold core in a penetrating manner, mold core water conveying holes 1 are formed in the mold core, water conveying holes are provided with water conveying hole water insulation sheets 3 at the centers of the mold core water.
This position structure plastic cover injection mold is detained on four sides is provided with four side taper pins, and when the product was moulded plastics, four side taper pins and the synthetic complete core of core, the plastics lid that has the back-off groove of moulding plastics out, during the die sinking, through promoting taper pin locating plate promotion taper pin rebound, the back-off groove boss on the taper pin is because the slant of taper pin is slided upward and is inwards shrunk to deviate from the back-off groove of product, avoid detaining the position and strain and mould damage.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (6)
1. The utility model provides a position structure plastic cover injection mold is detained on four sides, includes preceding model chamber board, back mould push pedal and core, and a plurality of cores are pegged graft fixedly with the back mould push pedal, characterized by, four sides of core are provided with the taper pin draw-in groove respectively, and sliding connection has the taper pin on the taper pin draw-in groove of four sides respectively, and the indent is provided with the cross-section and is trapezoidal chute on the taper pin inclined plane, and the taper pin draw-in groove corresponds the chute and is provided with the cross-section and be trapezoidal slide rail, chute and the guide rail cooperation of taper pin, and the taper pin slides from top to bottom along the taper pin draw-in.
2. The plastic cover injection mold with a four-side buckling structure as claimed in claim 1, wherein a mold core glue inlet hole is formed through the mold core.
3. The four-sided snap structure plastic cap injection mold of claim 1, wherein core shipping holes are formed in the core.
4. The four-sided snap-in site structural plastic cover injection mold of claim 3, wherein a water-transporting hole water-insulating sheet is provided in the center of the water-transporting hole of the mold core.
5. The four-side-buckling-position plastic cover injection mold according to claim 1, wherein the bottom of the angle pin is provided with an angle pin positioning plate.
6. The four-sided snap structure plastic cap injection mold of claim 1, wherein a core positioning boss is fixedly disposed on the core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210120.9U CN210233841U (en) | 2019-07-30 | 2019-07-30 | Plastic cover injection mold with four-side buckling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210120.9U CN210233841U (en) | 2019-07-30 | 2019-07-30 | Plastic cover injection mold with four-side buckling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210233841U true CN210233841U (en) | 2020-04-03 |
Family
ID=69993340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210120.9U Active CN210233841U (en) | 2019-07-30 | 2019-07-30 | Plastic cover injection mold with four-side buckling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210233841U (en) |
-
2019
- 2019-07-30 CN CN201921210120.9U patent/CN210233841U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Four sided buckle structure plastic cover injection mold Granted publication date: 20200403 Pledgee: Zhejiang Hangzhou Yuhang Rural Commercial Bank Co.,Ltd. Jingshan Branch Pledgor: HANGZHOU THREE CRYSTAL TECHNOLOGY PLASTIC Co.,Ltd. Registration number: Y2024980016104 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |