CN222406899U - An injection molded part demoulding and anti-deformation structure - Google Patents
An injection molded part demoulding and anti-deformation structure Download PDFInfo
- Publication number
- CN222406899U CN222406899U CN202420190802.2U CN202420190802U CN222406899U CN 222406899 U CN222406899 U CN 222406899U CN 202420190802 U CN202420190802 U CN 202420190802U CN 222406899 U CN222406899 U CN 222406899U
- Authority
- CN
- China
- Prior art keywords
- linkage
- injection molding
- deformation
- demolding
- support rod
- 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
- 238000002347 injection Methods 0.000 title description 27
- 239000007924 injection Substances 0.000 title description 27
- 238000001746 injection moulding Methods 0.000 claims abstract description 93
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection molding assisting demolding deformation-preventing structure, which particularly relates to the technical field of injection molding, wherein a middle cross pressing plate is embedded into the top end of a lower injection molding die, and a linkage deformation-preventing mechanism is arranged on the outer wall of the lower injection molding die, wherein the linkage deformation-preventing mechanism comprises a plurality of V-shaped demolding strips arranged on the outer wall of the lower injection molding die, one side of each V-shaped demolding strip is fixedly connected with a linkage support ring, and the bottom end of each linkage support rod is fixedly connected with a linkage support rod penetrating through the lower injection molding die. According to the utility model, the linkage deformation-preventing mechanism is arranged, the electric cylinder drives the linkage supporting blocks to move upwards, the cross linkage plate drives the four linkage supporting columns to move upwards simultaneously, the edge parts of the injection molding piece are driven by the V-shaped demolding strips to move upwards synchronously, the middle part and the edge of the injection molding piece are synchronously demolded at multiple points, deformation damage is avoided during demolding of the injection molding piece, and the deformation-preventing performance is better.
Description
Technical Field
The utility model relates to the technical field of injection molding and demolding, in particular to an assisted demolding and deformation preventing structure for an injection molding part.
Background
During injection molding, an injection molded part is formed within a mold as a plastic melt is injected into the mold. After the injection molding cools and solidifies, the injection molding needs to be removed from the mold, and since the injection molding is often complex in shape and size and may have fine protrusions or grooves, the demolding process may become difficult, and a deformation preventing structure is required to prevent deformation damage of the injection molding.
In the prior art, the utility model patent of China patent publication No. CN210126259U discloses an injection mold demolding structure which is convenient for demolding, and aims at the problem that transverse plates or heterostructures exist in finished plastic parts, the structures can go deep into a convex mold core to clamp the mold, irrecoverable quality damage can be caused to the plastic parts when the plastic parts are directly taken out, and the problem that the plastic parts with the transverse plates or heterostructures are inconvenient to demold in the prior art is mainly solved;
When the injection molding piece is subjected to demolding, the demolding technology needs to carry out extrusion on two sides to carry out power-assisted demolding, so that when the injection molding piece is subjected to demolding, the demolding is carried out under the stress on two sides and is difficult to uniformly stress at other positions in the middle, deformation damage is easily caused by uneven stress of the injection molding piece, and the deformation resistance is poor.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides an injection molding assisting demolding deformation-preventing structure.
The technical scheme is that the power-assisted demolding deformation-preventing structure for the injection molding piece comprises a lower injection molding mold, wherein a middle cross top pressing plate is embedded into the top end of the lower injection molding mold, a linkage deformation-preventing mechanism is arranged on the outer wall of the lower injection molding mold and comprises a plurality of V-shaped demolding strips arranged on the outer wall of the lower injection molding mold, one side of each V-shaped demolding strip is fixedly connected with a linkage support ring, the bottom end of each linkage support ring is fixedly connected with a linkage support rod penetrating through the lower injection molding mold, the bottom end of each linkage support rod is fixedly connected with a cross linkage plate, linkage support blocks are welded at the bottom ends of the cross linkage plates, electric cylinders are arranged at the bottom ends of the linkage support blocks, and a plurality of linkage support columns are distributed at equal intervals in a circular ring.
Preferably, sliding connection between linkage branch and the middle part cross top clamp plate all and the lower injection moulding mould, the outer wall of linkage branch is polished and handled, fixed connection between linkage prop up ring and the cross linkage board all and the linkage pillar, the centre of a circle point of linkage prop up the piece is in same vertical line with the centre of a circle point of linkage branch, one side fixedly connected with supporting shoe of electric jar, the injection moulding mould is installed to the top of middle part cross top clamp plate go up injection moulding mould's top is run through there are two sliding connection's guide pillar, just sliding connection between guide pillar and the last injection moulding mould, go up injection moulding mould's top and be located its centre of a circle point and run through seted up the injection hole, the bottom of lower injection moulding mould just is close to its edge line position department fixedly connected with a plurality of connecting pillars are ring equidistance distribution and set up, the bottom welding of connecting pillar has the supporting base, the top cross section area of supporting base is less than its bottom cross section area.
According to the technical scheme, after the upper injection mold and the lower injection mold are separated, the electric cylinder drives the linkage support block to move upwards, the linkage support block drives the cross linkage plate to enable the linkage support rod to move upwards along the inside of the lower injection mold, meanwhile, the linkage support rod drives the middle cross pressing plate to move upwards, the middle cross pressing plate can eject and demould the cross surface at the bottom of an injection molding part, four linkage support columns move upwards simultaneously, the linkage support columns drive the linkage support ring to move upwards, and the edge parts of the injection molding parts driven by the V-shaped demoulding strips move upwards synchronously.
The guide assembly comprises a linkage sleeve block arranged on the outer wall of the linkage support, support rings are fixedly connected to the top end and the bottom end of the linkage sleeve block, guide support rods penetrating through the linkage sleeve block are arranged in the support rings, connection support blocks are welded on the top ends of the guide support rods, support bottom blocks are welded on the bottom ends of the guide support rods, the support rings and the linkage sleeve block are vertically and slidably connected with the guide support rods, and the outer wall of the guide support rods is polished.
According to the technical scheme, the linkage support column moves upwards to drive the linkage sleeve block to move upwards, the linkage sleeve block drives the two supporting rings to move upwards, the supporting rings and the linkage sleeve block can move upwards along the outer wall guide of the guide support rod, the connection support block plays a supporting role on the guide support rod, and the plurality of V-shaped demolding strips stably move upwards to perform demolding.
The utility model has the technical effects and advantages that:
1. through setting up the linkage and preventing the deformation mechanism, the electric cylinder drives the linkage support block to move upwards, the linkage support block drives the cross linkage plate to enable the linkage support rod to move upwards along the inside of the lower injection molding die, the linkage support rod drives the middle cross top pressing plate to move upwards, the cross linkage plate drives the four linkage support posts to move upwards simultaneously, the edge parts of the injection molding piece are driven by the V-shaped demolding strips to move upwards synchronously, the middle part and the edge of the injection molding piece are synchronously demolded at multiple points, deformation damage is avoided during demolding of the injection molding piece, and the deformation resistance is better;
2. the guide assembly is utilized to enable the linkage support column to move upwards to drive the linkage sleeve block to move upwards, the linkage sleeve block drives the two supporting rings to move upwards, meanwhile, the supporting rings and the linkage sleeve block can move upwards along the outer wall guide of the guide support rod, the linkage support rings are ensured to drive the plurality of V-shaped demolding strips to move upwards stably for demolding, and deformation damage of injection molding pieces is avoided due to uniform demolding.
Drawings
Fig. 1 is a schematic diagram of a front view structure of an injection molding assisting demolding deformation-preventing structure.
Fig. 2 is a schematic diagram of a partial structure of a joint of a middle cross top pressing plate and a linkage strut in an injection molding part power-assisted demolding deformation-preventing structure.
Fig. 3 is a schematic view showing a bottom view of an injection molding assisting demolding deformation-preventing structure.
Fig. 4 is a schematic view of a truncated partial structure of a joint of a cross linkage plate and a linkage post in an injection molding part power-assisted demolding deformation preventing structure.
The reference numerals are 1, lower injection molding mould; 2, a middle cross pressing plate, 3, a V-shaped demoulding strip, 4, a linkage support ring, 5, a linkage support rod, 6, a cross linkage plate, 7, a linkage support block, 8, an electric cylinder, 9, a support block, 10, a guide support post, 11, an upper injection mould, 12, an injection hole, 13, a connecting support post, 14, a support base, 15, a linkage support post, 16, a linkage sleeve block, 17, a support ring, 18, a guide support rod, 19, a connecting support block and 20, a support base block.
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 utility model provides a deformation structure is prevented in injection molding helping hand drawing of patterns as shown in fig. 1-4, this injection molding helping hand drawing of patterns is prevented deformation structure and is provided with the linkage and is prevented deformation mechanism, and the setting of deformation mechanism is prevented in the linkage can make the synchronous upward movement of a plurality of V-arrangement drawing of patterns strip 3's drive injection molding edge position, injection molding middle part and the synchronous drawing of patterns of edge multiple spot position avoid causing deformation damage when the injection molding drawing of patterns, and the concrete structure that deformation mechanism was prevented in the linkage sets up as follows:
in some embodiments, as shown in fig. 1-2, the linkage deformation preventing mechanism comprises a plurality of V-shaped demolding strips 3 arranged on the outer wall of the lower injection molding die 1, one side of each V-shaped demolding strip 3 is fixedly connected with a linkage support ring 4, the bottom end of each linkage support ring 4 is fixedly connected with a linkage support rod 5 penetrating through the lower injection molding die 1, the bottom end of each linkage support rod 5 is fixedly connected with a cross linkage plate 6, the bottom end of each cross linkage plate 6 is welded with a linkage support block 7, the bottom ends of the linkage support blocks 7 are provided with electric cylinders 8, and the bottom ends of the linkage support rings 4 are distributed with a plurality of linkage support posts 15 in a circular ring equidistant mode;
In the injection molding part power-assisted demolding deformation-preventing structure, when the injection molding part power-assisted demolding deformation-preventing structure is used, an upper injection mold 11 is mounted on an injection molding machine, the upper injection mold 11 is driven by the injection molding machine to move downwards along the outer wall of two guide struts 10, a supporting base 14 plays a supporting role on a connecting strut 13, the connecting strut 13 plays a supporting role on a lower injection molding mold 1, after the upper injection mold 11 and the lower injection molding mold 1 are closed, molten injection liquid is injected into an injection hole 12, an injection molding part is formed after the injection molding part is solidified in a gap formed between the upper injection mold 11 and the lower injection molding mold 1, after the injection molding part is separated from the lower injection molding mold 1, a supporting block 9 plays a supporting role on an electric cylinder 8, the electric cylinder 8 drives a linkage strut 7 to move upwards, the linkage strut 7 drives a cross-shaped linkage plate 6 to enable the linkage strut 5 to move upwards along the inner part of the lower injection molding mold 1, meanwhile, the strut 5 drives a middle cross top pressing plate 2 to move upwards, ejection can be carried out on the cross surface at the bottom of the injection molding part, simultaneously, four linkage struts 15 drive four linkage struts 15 to move upwards, a plurality of support rings 4 to move upwards, and a plurality of linkage struts 4 move upwards, and a plurality of side edges of injection molding parts are evenly separated from each other, and the linkage strut 4 moves upwards, and the side edges of the injection molding part is formed by 3.
In some embodiments, as shown in fig. 1, a supporting block 9 is fixedly connected to one side of an electric cylinder 8, an upper injection mold 11 is installed above a middle cross top pressing plate 2, two guide struts 10 in sliding connection penetrate through the top end of the upper injection mold 11, the guide struts 10 are in sliding connection with the upper injection mold 11, an injection hole 12 is formed in the penetrating mode of the top end of the upper injection mold 11 and located at the center point of the upper injection mold 11, so that an injection molding machine drives the upper injection mold 11 to move downwards along the outer walls of the two guide struts 10, molten injection liquid is injected into the injection hole 12 to complete injection molding of injection molding, a plurality of connecting struts 13 are fixedly connected to the bottom end of the lower injection mold 1 and are distributed and arranged at positions close to edge lines of the lower injection mold 1 at equal intervals, the bottom ends of the connecting struts 13 are welded with supporting bases 14, the cross-sectional area of the top ends of the supporting bases 14 is smaller than the cross-sectional area of the bottom ends of the connecting struts 14, the supporting bases 14 play a supporting role on the connecting struts 13, the connecting struts 13 play a supporting role on the lower injection mold 1, and the vertical stability of the lower injection molding mold 1 is increased.
In some embodiments, as shown in FIG. 4, the outer wall of the linking post 15 is fitted with a guide assembly;
The guide assembly comprises a linkage sleeve block 16 arranged on the outer wall of a linkage post 15, the top end and the bottom end of the linkage sleeve block 16 are fixedly connected with a support ring 17, a guide support rod 18 penetrating through the linkage sleeve block 16 is arranged in the support ring 17, a connecting support block 19 is welded at the top end of the guide support rod 18, a support bottom block 20 is welded at the bottom end of the guide support rod 18, the support ring 17 and the linkage sleeve block 16 are vertically and slidably connected with the guide support rod 18, and the outer wall of the guide support rod 18 is polished;
According to the upper structure when leading the linkage prop 15, the linkage prop 15 moves upwards and drives the linkage sleeve block 16 to move upwards, the linkage sleeve block 16 drives the two support rings 17 to move upwards, meanwhile, the support rings 17 and the linkage sleeve block 16 can move upwards along the outer wall of the guide prop 18 in a guiding way, meanwhile, the support bottom block 20 plays a supporting role on the guide prop 18, the connection prop 19 plays a supporting role on the guide prop 18, and therefore, when the linkage prop 15 moves upwards, the linkage prop 15 can be ensured to move upwards stably, and the linkage prop 4 is ensured to drive the plurality of V-shaped demolding strips 3 to move upwards stably to perform demolding.
The details not described in detail in the specification belong to the prior art known to those skilled in the art, and model parameters of each electric appliance are not specifically limited and can be determined by using conventional equipment.
Finally, the foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (8)
1. The power-assisted demolding deformation-preventing structure of the injection molding piece comprises a lower injection molding mold (1), wherein a middle cross pressing plate (2) is embedded into the top end of the lower injection molding mold (1), and the power-assisted demolding deformation-preventing structure is characterized in that a linkage deformation-preventing mechanism is arranged on the outer wall of the lower injection molding mold (1);
The linkage deformation prevention mechanism comprises a plurality of V-shaped demolding strips (3) arranged on the outer wall of a lower injection molding mold (1), one side of each V-shaped demolding strip (3) is fixedly connected with a linkage support ring (4), the bottom end fixedly connected with of each linkage support ring (4) penetrates through a linkage support rod (5) of the lower injection molding mold (1), the bottom end fixedly connected with cross linkage plate (6) of each linkage support rod (5) is welded with a linkage support block (7) at the bottom end of each cross linkage plate (6), an electric cylinder (8) is arranged at the bottom end of each linkage support block (7), and a plurality of linkage support columns (15) are distributed and arranged at the bottom end of each linkage support ring (4) at equal intervals in a circular ring.
2. The injection molding assisting demolding deformation-preventing structure is characterized in that the linkage support rod (5) and the middle cross pressing plate (2) are connected with the lower injection molding mold (1) in a sliding mode, and the outer wall of the linkage support rod (5) is polished.
3. The injection molding assisting demolding deformation-preventing structure is characterized in that the linkage support ring (4) and the cross linkage plate (6) are fixedly connected with the linkage support column (15), and the center point of the linkage support block (7) and the center point of the linkage support rod (5) are positioned in the same vertical line.
4. The power-assisted demolding anti-deformation structure of an injection molding part is characterized in that a supporting block (9) is fixedly connected to one side of an electric cylinder (8), an upper injection molding mold (11) is installed above a middle cross top pressing plate (2), two guide struts (10) which are in sliding connection penetrate through the top end of the upper injection molding mold (11), the guide struts (10) are in sliding connection with the upper injection molding mold (11), and injection molding holes (12) are formed in the top end of the upper injection molding mold (11) and located at the center point of the top end of the upper injection molding mold.
5. The assisting demolding deformation-preventing structure for the injection molding piece is characterized in that a plurality of connecting struts (13) are fixedly connected to the bottom end of the lower injection molding mold (1) and near the edge line position of the lower injection molding mold, and the connecting struts (13) are distributed and arranged in an equidistant circular ring mode.
6. The assisting demolding deformation-preventing structure for injection molding pieces according to claim 5, wherein the bottom end of the connecting strut (13) is welded with a supporting base (14), and the cross-sectional area of the top end of the supporting base (14) is smaller than that of the bottom end of the supporting base.
7. The injection molding assisting demolding anti-deformation structure according to claim 1, wherein a guide component is arranged on the outer wall of the linkage pillar (15);
The guide assembly comprises a linkage sleeve block (16) arranged on the outer wall of a linkage support column (15), the top end and the bottom end of the linkage sleeve block (16) are fixedly connected with a support ring (17), a guide support rod (18) penetrating through the linkage sleeve block (16) is arranged in the support ring (17), a connection support block (19) is welded at the top end of the guide support rod (18), and a support bottom block (20) is welded at the bottom end of the guide support rod (18).
8. The injection molding assisting demolding deformation-preventing structure according to claim 7, wherein the supporting ring (17) and the linkage sleeve block (16) are vertically connected with the guide support rod (18) in a sliding mode, and the outer wall of the guide support rod (18) is polished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420190802.2U CN222406899U (en) | 2024-01-26 | 2024-01-26 | An injection molded part demoulding and anti-deformation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420190802.2U CN222406899U (en) | 2024-01-26 | 2024-01-26 | An injection molded part demoulding and anti-deformation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222406899U true CN222406899U (en) | 2025-01-28 |
Family
ID=94365398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420190802.2U Active CN222406899U (en) | 2024-01-26 | 2024-01-26 | An injection molded part demoulding and anti-deformation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222406899U (en) |
-
2024
- 2024-01-26 CN CN202420190802.2U patent/CN222406899U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212603096U (en) | An injection mold with convenient demoulding | |
| CN222406899U (en) | An injection molded part demoulding and anti-deformation structure | |
| CN105397989A (en) | Injection mold for foot pad of computer case | |
| CN211279466U (en) | Injection molding machine with multiple molds | |
| CN118024512A (en) | Spliced die | |
| CN216968567U (en) | Production of mobile phone motherboard upper cover is with preventing blockking up device of moulding plastics | |
| CN212795714U (en) | Clothes hanger main part forming die | |
| CN210617191U (en) | Mold secondary ejection gate cutting structure for ensuring injection molding full-automatic production | |
| CN210758880U (en) | Injection mold is used in processing of plastic part | |
| CN222039485U (en) | A mold for producing a water purifier bracket | |
| CN224208986U (en) | A quick-release precision metal product manufacturing mold | |
| CN216329685U (en) | Multi-ejector-pin type injection mold | |
| CN215882402U (en) | Die for forming socket fittings | |
| CN221112604U (en) | Foaming mould convenient to drawing of patterns | |
| CN223266073U (en) | Screen plate automatic demoulding platform | |
| CN216708208U (en) | Injection mold | |
| CN223904461U (en) | Long-distance inclined ejection demoulding mechanism | |
| CN219294601U (en) | Injection mold of window cylinder | |
| CN222309703U (en) | A demoulding structure of a water outlet short pipe mold | |
| CN219486395U (en) | Demoulding mould mechanism for injection moulding of dinner plate | |
| CN220198379U (en) | Panel injection mold | |
| CN221339422U (en) | Ejection demoulding device of injection molding mould | |
| CN223314388U (en) | Exhaust system of injection mold | |
| CN220720030U (en) | Mould with dismouting structure | |
| CN211416068U (en) | Injection mold with through hole breast board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |