CN216182417U - Precise injection mold for washing machine dehydration barrel with four-slider synchronous core pulling mechanism - Google Patents
Precise injection mold for washing machine dehydration barrel with four-slider synchronous core pulling mechanism Download PDFInfo
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- CN216182417U CN216182417U CN202122621211.5U CN202122621211U CN216182417U CN 216182417 U CN216182417 U CN 216182417U CN 202122621211 U CN202122621211 U CN 202122621211U CN 216182417 U CN216182417 U CN 216182417U
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Abstract
The utility model belongs to the technical field of molds, and particularly relates to a precise injection mold of a washing machine dehydration barrel with a four-slider synchronous core pulling mechanism. The multi-slide-block synchronous core-pulling forming device comprises an injection lower die and an injection upper die, wherein a dehydration barrel forming insert is arranged on the injection lower die, and a multi-slide-block synchronous core-pulling forming assembly is arranged between the injection lower die and the injection upper die. In the injection molding process, the dehydration barrel molding insert is matched with the multi-slider synchronous core-pulling molding assembly to form a complete cavity, molten materials are injected into the cavity through the injection molding part, the mold is opened after injection molding is completed, the multi-slider synchronous core-pulling molding assembly is moved to the end far away from the dehydration barrel molding insert to perform synchronous core-pulling demolding, collision and shell clamping with a reinforcing rib of a plastic part during demolding are avoided, demolding is simple and convenient, and the molding precision of the plastic part is high.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a precise injection mold of a washing machine dehydration barrel with a four-slider synchronous core pulling mechanism.
Background
A washing machine is a cleaning appliance that washes laundry using mechanical action generated by electric energy. The washing machine mainly comprises a box body, a washing dehydration barrel (some washing and dehydration barrels are separated), a transmission and control system, a base and the like. The existing washing machine dehydration barrel mould is easy to collide with the reinforcing rib and clamp the shell during demoulding due to more reinforcing ribs arranged on the dehydration barrel in the injection molding process, so that the demoulding is troublesome, and the forming precision of a plastic part is more general.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, chinese patent discloses an injection mold of a washing machine dehydration barrel [ application number: 201010210878.X ], which comprises a lower module provided with a guide post, a plurality of side modules and an upper module provided with a die cavity, wherein the lower module is also provided with a die core, the upper module is combined with the lower module, each side module and the die core through the guide post to form the die cavity, the inner side of each side module is provided with a plurality of telescopic ejector rods, and the upper module is also provided with a plurality of telescopic ejector rods; and a die closing guide device is arranged between the lower module and the plurality of side modules. Therefore, the dehydration holes on the dehydration barrel can be ensured to be smoothly formed during injection molding, and the defects of flash or blockage and the like of the dehydration holes can be avoided; and the die cavity and the core have higher concentricity after the die assembly, so that the inside and outside concentricity of the injection molding dehydration barrel is better and the thickness is uniform, and the dehydration barrel can keep stable when the washing machine performs dehydration work, thereby avoiding the damage of the washing machine. However, the scheme still easily collides with the reinforcing rib and clamps the shell during demoulding, so that the demoulding is troublesome, and the defect that the forming precision of the plastic part is relatively common exists.
Disclosure of Invention
The utility model aims to solve the problems and provides a precise injection mold of a washing machine dehydration barrel with a four-slider synchronous core pulling mechanism.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a washing machine dehydration bucket precision injection mold with four slider mechanisms of loosing core in step, is including the lower mould of moulding plastics and mould plastics, the lower mould of moulding plastics on be equipped with dehydration bucket shaping mold insert, the lower mould of moulding plastics and mould plastics between be equipped with many sliders and loose core the shaping subassembly in step, many sliders loose core shaping subassembly one end and mould plastics lower mould looks butt cooperation in step, the other end with mould plastics upper mould looks butt cooperation, mould plastics upper mould top be equipped with the portion of moulding plastics, the portion of moulding plastics corresponding with the position of dehydration bucket shaping mold insert.
In foretell washing machine dewatering barrel precision injection mold who has four slider mechanism of loosing core in step, many slider make core shaping subassembly of loosing core in step including setting up four loose core shaping curb plates between mould plastics lower mould and the mould of moulding plastics, four loose core shaping curb plates be rectangular array along mould plastics lower mould central point and distribute, two adjacent loose core shaping curb plates hug closely the cooperation each other.
In the precise injection mold for the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism, the lower injection mold is provided with a side plate connecting piece, the side plate connecting piece is in clamping fit with the core pulling molding side plate, the side plate connecting piece is in butt fit with the lower injection mold, and the dehydration barrel molding insert penetrates through the side plate connecting piece.
In the precise injection mold for the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism, the side plate connecting piece comprises a connecting bottom plate arranged on the injection lower mold, the connecting bottom plate is matched with the core pulling molding side plate in a clamping manner, an empty groove is formed in the connecting bottom plate, and the dehydration barrel molding insert penetrates through the empty groove.
In the precise injection mold for the washing machine dewatering barrel with the four-slider synchronous core pulling mechanism, the top of the core pulling forming side plate is provided with an alignment clamping piece, and the alignment clamping piece is matched with an injection upper mold in a clamping manner.
In the precise injection mold for the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism, the alignment clamping piece comprises a mold closing clamping plate arranged at the top of the core pulling forming side plate, a mold closing groove is formed in the bottom of the injection upper mold, and the mold closing clamping plate is matched with the mold closing groove in a clamping mode.
In the precise injection mold for the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism, the inner side of the core pulling forming side plate is provided with the auxiliary concave strip of the dehydration barrel, and the auxiliary concave strip of the dehydration barrel is matched with the shape of the forming insert of the dehydration barrel.
In the precise injection mold for the dewatering barrel of the washing machine with the four-slider synchronous core pulling mechanism, the forming insert of the dewatering barrel comprises a forming insert of the dewatering barrel arranged on the injection lower mold, the forming insert of the dewatering barrel penetrates through the empty groove, and the forming insert of the dewatering barrel is matched with the shape of the auxiliary concave strip of the dewatering barrel.
In the precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core-pulling mechanism, the injection molding part comprises an injection molding main plate arranged above an injection molding upper mold, an injection molding main hole is formed in the injection molding main plate, and a support strip is arranged between the injection molding main plate and the injection molding upper mold.
In the precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism, a flow distribution plate is arranged between the injection molding main plate and the injection molding upper die, and the flow distribution plate corresponds to the injection molding main hole in position.
Compared with the prior art, the utility model has the advantages that:
1. in the injection molding process, the dehydration barrel molding insert is matched with the multi-slider synchronous core-pulling molding assembly to form a complete cavity, molten materials are injected into the cavity through the injection molding part, the mold is opened after injection molding is completed, the multi-slider synchronous core-pulling molding assembly is moved to the end far away from the dehydration barrel molding insert to perform synchronous core-pulling demolding, collision and shell clamping with a reinforcing rib of a plastic part during demolding are avoided, demolding is simple and convenient, and the molding precision of the plastic part is high.
2. According to the utility model, the connecting bottom plate is arranged and used for connecting and fixing the core-pulling forming side plate, so that the core-pulling forming side plate is prevented from deviating in the injection molding process, and the injection molding accuracy is improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is an exploded schematic view of the present invention.
Fig. 2 is an exploded view in another aspect of the utility model.
Fig. 3 is a partial structural schematic diagram of the present invention.
Fig. 4 is a partial structural view in another aspect of the present invention.
In the figure: the injection molding device comprises an injection molding lower die 1, an injection molding upper die 2, a dehydration barrel molding insert 3, a multi-slider synchronous core-pulling molding assembly 4, an injection molding part 5, a core-pulling molding side plate 6, a side plate connecting piece 7, a connecting bottom plate 8, an empty groove 9, an alignment clamping piece 10, a die assembly clamping plate 11, a die assembly groove 12, a dehydration barrel molding insert 13, an injection molding main plate 14, an injection molding main hole 15, a support strip 16 and a flow distribution plate 17.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a precision injection mold of a washing machine dehydration barrel with a four-slider synchronous core-pulling mechanism comprises an injection lower mold 1 and an injection upper mold 2, wherein the injection lower mold 1 is provided with a dehydration barrel forming mold insert 3, the injection lower mold 1 and the injection upper mold 2 are provided with a multi-slider synchronous core-pulling forming assembly 4 therebetween, one end of the multi-slider synchronous core-pulling forming assembly 4 is matched with the injection lower mold 1 in a butting manner, the other end of the multi-slider synchronous core-pulling forming assembly is matched with the injection upper mold 2 in a butting manner, an injection molding part 5 is arranged above the injection upper mold 2, and the injection molding part 5 corresponds to the position of the dehydration barrel forming mold insert 3.
In this embodiment, in the process of moulding plastics, lower mould 1 and the mould 2 of moulding plastics are close to each other, make the synchronous loose core of many sliders shaping subassembly 4 one end and the cooperation of 1 looks butt of mould 1 down of moulding plastics, the other end and the cooperation of mould 2 looks butt of moulding plastics, dehydration bucket shaping mold insert 3 cooperates the synchronous loose core of many sliders shaping subassembly 4 of forming complete die cavity, the melting material pours into to the die cavity through injection molding portion 5, accomplish the back die sinking of moulding plastics, with the synchronous loose core shaping subassembly 4 of many sliders to keeping away from 3 one end of dehydration bucket shaping mold insert and moving, the drawing of core drawing of patterns in step, bump with the strengthening rib of moulding when avoiding the drawing of patterns, the card shell, the drawing of patterns is simple and convenient, mould a shaping precision is higher.
Referring to fig. 1 and 3, the multi-slider synchronous core-pulling molding assembly 4 comprises four core-pulling molding side plates 6 arranged between an injection molding lower die 1 and an injection molding upper die 2, the four core-pulling molding side plates 6 are distributed in a rectangular array along the central point of the injection molding lower die 1, and two adjacent core-pulling molding side plates 6 are closely fitted with each other.
Specifically speaking, when moulding plastics, dehydration bucket forming mold insert 3 cooperates four loose core forming side plates 6 to form complete die cavity, and the melting material pours into the die cavity through injection molding portion 5, accomplishes the back die sinking of moulding plastics, moves four loose core forming side plates 6 to keeping away from dehydration bucket forming mold insert 3 one end, carries out the drawing of core drawing the mould in step, bumps with the strengthening rib of moulding the piece when avoiding the drawing of the mould, card shell, and the drawing of the mould is simple and convenient, moulds a shaping precision higher.
Referring to fig. 2 and 3, the injection molding lower die 1 is provided with a side plate connecting piece 7, the side plate connecting piece 7 is in clamping fit with the core-pulling molding side plate 6, the side plate connecting piece 7 is in butt fit with the injection molding lower die 1, and the dehydration barrel molding insert 3 penetrates through the side plate connecting piece 7.
In this embodiment, curb plate connecting piece 7 is used for connecting fixed shaping curb plate 6 of loosing core, avoids loosing core shaping curb plate 6 at the in-process of moulding plastics and takes place the skew, has improved the accuracy of moulding plastics.
The side plate connecting piece 7 comprises a connecting bottom plate 8 arranged on the injection molding lower die 1, the connecting bottom plate 8 is matched with the core-pulling molding side plate 6 in a clamping manner, an empty groove 9 is formed in the connecting bottom plate 8, and the dehydration barrel molding insert 3 penetrates through the empty groove 9.
In this embodiment, connecting bottom plate 8 and being used for connecting fixed shaping curb plate of loosing core 6, avoiding loosing core shaping curb plate 6 at the in-process of moulding plastics and taking place the skew, having improved the accuracy of moulding plastics, dehydration bucket shaping mold insert 3 runs through dead slot 9, avoids connecting bottom plate 8 and influences dehydration bucket shaping mold insert 3.
As shown in fig. 3, the top of the core-pulling side plate 6 is provided with an alignment clamping piece 10, and the alignment clamping piece 10 is in clamping fit with the injection upper mold 2.
In the embodiment, in the die closing process, the core-pulling forming side plate 6 can be prevented from circumferentially deflecting in the injection molding process through the clamping cooperation between the alignment clamping piece 10 and the injection molding upper die 2, and the die closing accuracy is improved.
Counterpoint joint spare 10 including set up in the compound die joint board 11 at 6 tops of the shaping curb plate of loosing core, 2 bottoms of mould 2 on moulding plastics be equipped with compound die recess 12, compound die joint board 11 and compound die recess 12 looks joint cooperation.
In the embodiment, in the die closing process, the clamping matching between the die closing clamping plate 11 and the die closing groove 12 can avoid circumferential deflection of the core-pulling forming side plate 6 in the injection molding process, and the die closing accuracy is improved.
The inside of the core-pulling forming side plate 6 is provided with a dewatering barrel auxiliary concave strip, and the shape of the dewatering barrel auxiliary concave strip is matched with that of the dewatering barrel forming insert 3.
In this embodiment, the auxiliary concave strip of the dehydration barrel is used for assisting in forming the strip-shaped protrusion of the dehydration barrel plastic part.
Referring to fig. 2, the insert 3 includes an insert 13 disposed on the lower injection mold 1, the insert 13 penetrates through the empty groove 9, and the insert 13 is matched with the auxiliary concave strip of the dewatering drum in shape.
In this embodiment, the insert 13 for forming the dewatering barrel is used for assisting in forming the plastic part of the dewatering barrel, and the insert 13 for forming the dewatering barrel penetrates through the empty groove 9, so that the influence of the connecting bottom plate 8 on the insert 13 for forming the dewatering barrel is avoided.
Referring to fig. 1 and 4, the injection molding part 5 includes an injection molding main board 14 disposed above the injection molding upper die 2, an injection molding main hole 15 is disposed in the injection molding main board 14, and a support strip 16 is disposed between the injection molding main board 14 and the injection molding upper die 2.
In this embodiment, during moulding plastics, pour into the melting material through the owner's hole 15 of moulding plastics in the mainboard 14 of moulding plastics, support strip 16 is used for fixed connection to mould plastics mainboard 14 and mould 2 on moulding plastics, and the steadiness is better.
Referring to fig. 4, a flow distribution plate 17 is disposed between the injection main plate 14 and the injection upper mold 2, and the flow distribution plate 17 corresponds to the injection main hole 15.
In this embodiment, in the process of injection molding, the molten material is injected into the splitter plate 17 through the injection molding main hole 15, and then is split by the splitter plate 17 and injected into the cavity, so that the injection molding is uniform and the injection molding speed is high.
The working principle of the utility model is as follows:
in the injection molding process, the injection molding lower die 1 and the injection molding upper die 2 are close to each other, one end of the core-pulling molding side plate 6 is in butt fit with the injection molding lower die 1, the other end of the core-pulling molding side plate 6 is in butt fit with the injection molding upper die 2, the dehydration barrel molding insert 13 is matched with the core-pulling molding side plate 6 to form a complete cavity, molten materials are injected through an injection main hole 15 in an injection main plate 14, the molten materials are injected into a splitter plate 17 through the injection main hole 15 and then are split by the splitter plate 17 and injected into the cavity, the injection molding is uniform and fast, the support strips 16 are used for fixedly connecting the injection main plate 14 and the injection molding upper die 2, the stability is good,
the auxiliary concave strip of the dehydration barrel is used for assisting in forming the strip-shaped bulge of the dehydration barrel plastic part,
the connecting bottom plate 8 is used for connecting and fixing the core-pulling forming side plate 6, the core-pulling forming side plate 6 is prevented from deviating in the injection molding process, the injection molding accuracy is improved, the dewatering barrel forming insert 13 penetrates through the empty groove 9, the connecting bottom plate 8 is prevented from influencing the dewatering barrel forming insert 13,
and (3) completing the mold opening after injection molding, moving the four core-pulling forming side plates 6 to the end far away from the dewatering barrel forming insert 13, synchronously pulling cores and demolding, avoiding collision and clamping of the reinforcing ribs of the plastic part during demolding, and realizing simple and convenient demolding and higher molding precision of the plastic part.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the utility model.
Although the terms of the lower injection mold 1, the upper injection mold 2, the dewatering barrel molding insert 3, the multi-slider synchronous core-pulling molding assembly 4, the injection molding part 5, the core-pulling molding side plate 6, the side plate connecting piece 7, the connecting bottom plate 8, the empty slot 9, the aligning clamp piece 10, the mold clamping clamp plate 11, the mold clamping groove 12, the dewatering barrel molding insert 13, the main injection plate 14, the main injection hole 15, the bracket strip 16, the splitter plate 17, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The utility model provides a washing machine dewatering bucket precision injection mold with four slider mechanism of loosing core in step, is including moulding plastics lower mould (1) and mould (2) of moulding plastics, its characterized in that, mould plastics lower mould (1) on be equipped with dehydration bucket shaping mold insert (3), mould plastics lower mould (1) and mould plastics and be equipped with many sliders between mould (2) and loose core shaping subassembly (4) in step, many sliders loose core shaping subassembly (4) one end and mould plastics lower mould (1) looks butt cooperation, the other end with mould plastics upper mould (2) looks butt cooperation, mould plastics upper mould (2) top be equipped with the portion of moulding plastics (5), the portion of moulding plastics (5) corresponding with the position of dehydration bucket shaping mold insert (3).
2. The precise injection mold of the washing machine dewatering barrel with the four-slider synchronous core pulling mechanism according to claim 1 is characterized in that the multi-slider synchronous core pulling forming assembly (4) comprises four core pulling forming side plates (6) arranged between the injection lower mold (1) and the injection upper mold (2), the four core pulling forming side plates (6) are distributed in a rectangular array mode along the central point of the injection lower mold (1), and two adjacent core pulling forming side plates (6) are mutually attached and matched.
3. The precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism according to claim 2 is characterized in that a side plate connecting piece (7) is arranged on the lower injection molding die (1), the side plate connecting piece (7) is in clamping fit with the core pulling molding side plate (6), the side plate connecting piece (7) is in butt fit with the lower injection molding die (1), and the dehydration barrel molding insert (3) penetrates through the side plate connecting piece (7).
4. The precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism according to claim 3 is characterized in that the side plate connecting piece (7) comprises a connecting bottom plate (8) arranged on the lower injection mold (1), the connecting bottom plate (8) is in clamping fit with the core pulling forming side plate (6), an empty groove (9) is formed in the connecting bottom plate (8), and the dehydration barrel forming insert (3) penetrates through the empty groove (9).
5. The precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism according to claim 4, characterized in that the top of the core pulling molding side plate (6) is provided with a contraposition clamping piece (10), and the contraposition clamping piece (10) is clamped and matched with the injection upper mold (2).
6. The precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism according to claim 5, characterized in that the alignment clamping piece (10) comprises a mold closing clamping plate (11) arranged at the top of the core pulling forming side plate (6), the bottom of the injection upper mold (2) is provided with a mold closing groove (12), and the mold closing clamping plate (11) is in clamping fit with the mold closing groove (12).
7. The precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism according to claim 6, characterized in that the inner side of the core pulling molding side plate (6) is provided with an auxiliary dehydration barrel concave strip, and the auxiliary dehydration barrel concave strip is matched with the shape of the dehydration barrel molding insert (3).
8. The precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism according to claim 7, characterized in that the dehydration barrel molding insert (3) comprises a dehydration barrel molding insert (13) arranged on the injection lower mold (1), the dehydration barrel molding insert (13) penetrates through the empty groove (9), and the dehydration barrel molding insert (13) is matched with the shape of the dehydration barrel auxiliary concave strip.
9. The precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism according to claim 8, characterized in that the injection part (5) comprises an injection main plate (14) arranged above the injection upper mold (2), an injection main hole (15) is arranged in the injection main plate (14), and a support strip (16) is arranged between the injection main plate (14) and the injection upper mold (2).
10. The precise injection mold of the washing machine dehydration barrel with the four-slider synchronous core pulling mechanism according to claim 9 is characterized in that a splitter plate (17) is arranged between the injection main plate (14) and the injection upper mold (2), and the splitter plate (17) corresponds to the injection main hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621211.5U CN216182417U (en) | 2021-10-28 | 2021-10-28 | Precise injection mold for washing machine dehydration barrel with four-slider synchronous core pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621211.5U CN216182417U (en) | 2021-10-28 | 2021-10-28 | Precise injection mold for washing machine dehydration barrel with four-slider synchronous core pulling mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN216182417U true CN216182417U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122621211.5U Active CN216182417U (en) | 2021-10-28 | 2021-10-28 | Precise injection mold for washing machine dehydration barrel with four-slider synchronous core pulling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216182417U (en) |
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2021
- 2021-10-28 CN CN202122621211.5U patent/CN216182417U/en active Active
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