CN219667335U - Large hot runner bushing for mold - Google Patents
Large hot runner bushing for mold Download PDFInfo
- Publication number
- CN219667335U CN219667335U CN202321284457.0U CN202321284457U CN219667335U CN 219667335 U CN219667335 U CN 219667335U CN 202321284457 U CN202321284457 U CN 202321284457U CN 219667335 U CN219667335 U CN 219667335U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- bushing
- hot runner
- deformation
- wear
- 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
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000005684 electric field Effects 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a large hot runner bushing for a die, which comprises a sleeve seat wrapped on the periphery of a hot nozzle, and is characterized in that: the sleeve seat is provided with a deformation part, and the deformation part radially contracts and presses the sleeve seat to radially contract and fit with the outer surface of the hot nozzle under the action of an external electric field or a magnetic field. According to the utility model, the radial deformation extrusion clamping hot nozzle of the large hot runner bushing is controlled by utilizing the inverse piezoelectric effect, namely, when the hot nozzle is inserted into the bushing, the bushing and the hot nozzle are intermittently arranged, and after the bushing is inserted in place, the horseshoe-shaped deformation part is driven to deform and extrude the wear-resistant sleeve along the radial direction under the control of the external power supply, so that the wear-resistant sleeve does not slide first, abrasion caused by sliding first is effectively avoided, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of hot runners, in particular to a large hot runner bushing for a die.
Background
In the injection mold, a bushing is sleeved on the periphery of the hot nozzle when the hot runner is designed, but the bushing is easy to wear due to the direct contact between the hot nozzle and the inner surface of the bushing, so that the use is inconvenient.
Disclosure of Invention
The utility model aims to provide a large hot runner bushing for a die, which has reasonable structural design and can effectively reduce abrasion.
In order to realize the technical scheme, the technical scheme of the utility model is as follows: a big hot runner bushing for mould, including the cover seat of parcel at hot mouth week side, its characterized in that: the sleeve seat is provided with a deformation part, and the deformation part radially contracts and presses the sleeve seat to radially contract and fit with the outer surface of the hot nozzle under the action of an external electric field or a magnetic field.
Further, the deformation portion is horseshoe-shaped.
Further, the deformation part comprises an inner deformation sheet layer and an insulating resin sheet layer which are tightly adhered in sequence from inside to outside; the inner deformation sheet layer is made of piezoelectric sensitive materials with radial thickness deformation; and a power supply circuit supplies power to the inner deformation sheet layer, and the inner deformation sheet layer deforms and extrudes the sleeve seat under the inverse piezoelectric effect.
Further, the sleeve seat comprises a wear-resistant sleeve and a coaxially arranged heat dissipation sleeve; the wear-resistant sleeve is sleeved with the outer side of the heat dissipation sleeve.
Further, an insulating layer is arranged on the heat dissipation sleeve.
Further, the wear sleeve may be radially contractible.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the radial deformation extrusion clamping hot nozzle of the large hot runner bushing is controlled by utilizing the inverse piezoelectric effect, namely, when the hot nozzle is inserted into the bushing, the bushing and the hot nozzle are intermittently arranged, and after the bushing is inserted in place, the horseshoe-shaped deformation part is driven to deform and extrude the wear-resistant sleeve along the radial direction under the control of the external power supply, so that the wear-resistant sleeve does not slide first, abrasion caused by sliding first is effectively avoided, and the service life is prolonged.
Drawings
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
FIG. 1 is a schematic three-dimensional view of a large hot runner bushing for a mold according to the present utility model;
fig. 2 is a cross-sectional view of A-A in fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present utility model.
Referring to fig. 1 to 2, a large hot runner bushing for a mold comprises a sleeve seat 1 wrapped on the periphery of a hot nozzle, wherein a deformation part 2 is arranged on the sleeve seat 1, and the deformation part 2 radially contracts and presses the sleeve seat 1 radially to contract and fit with the outer surface of the hot nozzle under the action of an external electric field or a magnetic field; the deformation part 2 is in a horseshoe shape, and the deformation part 2 comprises an inner deformation sheet layer 21 and an insulating resin sheet layer 22 which are tightly adhered in sequence from inside to outside; the inner deformation sheet layer 21 is made of piezoelectric sensitive materials with radial thickness deformation; a power supply circuit supplies power to the inner deformation sheet layer 21, and the inner deformation sheet layer 21 deforms and extrudes the sleeve seat 1 under the inverse piezoelectric effect. The radial deformation extrusion clamping hot nozzle is controlled to occur through utilizing the inverse piezoelectric effect, namely when the hot nozzle is inserted into the bushing, the bushing and the hot nozzle are intermittently arranged, and after the bushing is inserted in place, the horseshoe-shaped deformation part is driven to deform and extrude the wear-resistant sleeve 11 along the radial direction under the control of an external power supply, so that the wear-resistant sleeve does not slide first, and abrasion caused by sliding first is effectively avoided, and the service life is prolonged.
On the basis of the embodiment, the sleeve seat 1 comprises a wear-resistant sleeve 11 and a coaxially arranged heat dissipation sleeve 12; the wear-resistant sleeve 11 is sleeved outside the heat dissipation sleeve 12. The heat dissipation sleeve 12 is used for rapidly dissipating redundant heat, so that the whole die is prevented from rising due to heat conduction; in addition, the wear-resistant sleeve 11 is arranged to match with the drawing and inserting of the hot nozzle, so that the whole service life is further prolonged.
On the basis of the above embodiment, the heat-dissipating sleeve 12 is provided with an insulation layer for insulating the hot nozzle, so as to prevent the problem of poor injection molding effect and a large number of defective products caused by rapid temperature drop.
On the basis of the embodiment, the wear-resistant sleeve 11 can be contracted along the radial direction, so that the wear-resistant sleeve can be close to the hot nozzle to deform under the action of the deformation part 2 when in use, and further is completely attached to the peripheral side of the hot nozzle and clamped to prevent dislocation sliding.
To sum up: according to the utility model, the radial deformation extrusion clamping hot nozzle of the large hot runner bushing is controlled by utilizing the inverse piezoelectric effect, namely, when the hot nozzle is inserted into the bushing, the bushing and the hot nozzle are intermittently arranged, and after the bushing is inserted in place, the horseshoe-shaped deformation part is driven to deform and extrude the wear-resistant sleeve 11 along the radial direction under the control of the external power supply, so that the wear-resistant sleeve is prevented from sliding first, abrasion caused by sliding first is effectively avoided, and the service life is prolonged.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a big hot runner bushing for mould, includes cover seat (1) of parcel at hot nozzle week side, its characterized in that: the sleeve seat (1) is provided with a deformation part (2), and the deformation part (2) radially contracts and presses the sleeve seat (1) radially contracts and is attached to the outer surface of the hot nozzle under the action of an external electric field or a magnetic field.
2. The large hot runner bushing for a mold of claim 1 wherein: the deformation part (2) is U-shaped.
3. The large hot runner bushing for a mold of claim 1 wherein: the deformation part (2) comprises an inner deformation sheet layer (21) and an insulating resin sheet layer (22) which are tightly adhered in sequence from inside to outside; the inner deformation sheet layer (21) is made of piezoelectric sensitive materials with radial thickness deformation; and a power supply circuit supplies power to the inner deformation sheet layer (21), and the inner deformation sheet layer (21) deforms and extrudes the sleeve seat (1) under the inverse piezoelectric effect.
4. The large hot runner bushing for a mold of claim 1 wherein: the sleeve seat (1) comprises a wear-resistant sleeve (11) and a coaxially arranged heat dissipation sleeve (12); the wear-resistant sleeve (11) is sleeved with the outer side of the heat dissipation sleeve (12).
5. The large hot runner bushing for a mold according to claim 4, wherein: and an insulating layer is arranged on the heat dissipation sleeve (12).
6. The large hot runner bushing for a mold according to claim 4, wherein: the wear-resistant sleeve (11) can be radially contracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321284457.0U CN219667335U (en) | 2023-05-25 | 2023-05-25 | Large hot runner bushing for mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321284457.0U CN219667335U (en) | 2023-05-25 | 2023-05-25 | Large hot runner bushing for mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219667335U true CN219667335U (en) | 2023-09-12 |
Family
ID=87893910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321284457.0U Active CN219667335U (en) | 2023-05-25 | 2023-05-25 | Large hot runner bushing for mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219667335U (en) |
-
2023
- 2023-05-25 CN CN202321284457.0U patent/CN219667335U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1925421A1 (en) | Injection-mould with inductive heating, injection moulding method, optical information carrier and light guide plate | |
| WO2009036473A3 (en) | Method and apparatus for resin transfer molding composite parts | |
| CN101683757A (en) | Forming method and product thereof | |
| JP2009072055A (en) | Split stator, motor, and split stator manufacturing method | |
| US8388874B2 (en) | Hot-melt molding apparatus | |
| CN219667335U (en) | Large hot runner bushing for mold | |
| CN104968179A (en) | Insert injection molding radiator and preparation technology thereof | |
| CN101544030B (en) | Mould with thermal compensation function | |
| CN209812980U (en) | Length-adjustable multiplexing heat nozzle for injection molding machine | |
| CN207304219U (en) | Motor | |
| CN104647768B (en) | The one-body molded processing technique of heating Closet seat board and processing mold thereof | |
| IT1198425B (en) | ELECTROTHERMAL GROUP, FOR THE CONTROLLED HEATING OF EXTRUDER CYLINDERS, INJECTION PRESSES AND DRAWING MACHINES, FOR PLASTIC MATERIALS, RUBBER AND SIMILAR, SURROUNDED BY A DOUBLE CELL FOR AIR CIRCULATION | |
| CN201067963Y (en) | Novel structure hot flow passage nozzle | |
| CN208277317U (en) | A kind of in-molded auxiliary feeding device | |
| KR102073818B1 (en) | Heater magnet for extrusion die and process for extruding production | |
| CN207140241U (en) | A kind of TOP-TIP of battery seal ring cavity injection forming mold | |
| CN201659648U (en) | Copper alloy insert cooling device | |
| CN207564810U (en) | Cold shrinking power cable adjunct sulfidization molding accelerator | |
| CN204518304U (en) | A kind of insert injection moulding radiator | |
| CN216579006U (en) | Flow distribution plate heating structure of hot runner mold | |
| CN216329894U (en) | Self-tightening heater and heating structure | |
| CN101327634A (en) | Injection moulding hot runner pin-point gate nozzle | |
| CN219338621U (en) | Right-angle piece outside rubber coating mould | |
| CN221641646U (en) | Hot runner layered heat dissipation device | |
| CN210061947U (en) | Extruding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |