CN216182396U - Washing machine shell injection mold with needle valve type hot runner structure - Google Patents
Washing machine shell injection mold with needle valve type hot runner structure Download PDFInfo
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- CN216182396U CN216182396U CN202122638312.3U CN202122638312U CN216182396U CN 216182396 U CN216182396 U CN 216182396U CN 202122638312 U CN202122638312 U CN 202122638312U CN 216182396 U CN216182396 U CN 216182396U
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Abstract
The utility model belongs to the technical field of molds, and particularly relates to a washing machine shell injection mold with a needle valve type hot runner structure. The injection molding device comprises an injection molding lower die and an injection molding upper die, wherein a shell molding insert is arranged between the injection molding lower die and the injection molding upper die, one end of the shell molding insert is abutted with the injection molding lower die, the other end of the shell molding insert is abutted with the injection molding upper die, and a jacking plate is arranged below the injection molding lower die. In the injection molding process, the molten material is injected into the cavity through the needle valve type hot runner injection molding assembly for injection molding, the needle valve type hot runner structure is adopted, the injection molding is uniform, the speed is high, the molding period of a plastic part is shortened, the economic benefit is improved, the mold opening is carried out after the injection molding is finished, the ejector plate is moved, the inclined straight ejector synchronous ejector is driven by the ejector plate to synchronously move, and then the inclined straight ejector synchronous ejector is used for carrying out the ejection mode of combining the inclined ejection and the straight ejection on the plastic part, so that the ejection effect is good, and the condition of demolding and shell clamping is avoided.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a washing machine shell injection mold with a needle valve type hot runner structure.
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, an outer shell and the like. The washing machine shell is generally made of plastic materials, mass production and manufacturing are carried out by adopting an injection mold, uneven injection and low-speed conditions easily occur in the injection molding process due to the large area of the shell, the molding period of a plastic part is long, and the condition of demolding and shell clamping easily occurs during ejection.
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 housing [ application number: 201811035098.9], the on-line screen storage device comprises a base, the top of base all is fixed with the montant all around, the top of montant is fixed with the cope match-plate pattern, the bottom of cope match-plate pattern is fixed with time shape frame and fixed block respectively, sliding connection has the lower bolster on the montant, the bottom middle part of lower bolster is fixed with the regulating plate, the top both sides of base all are fixed with the baffle, wherein two-way motor is installed to one side of a set of baffle, two-way motor's output shaft is fixed with two-way threaded rod, threaded connection has two sets of movable plates on the two-way threaded rod, the both sides of movable plate all articulate there is the regulation pole, the top of adjusting the pole all articulates with the regulating plate, be fixed with two sets of horizontal poles between two sets of baffles, the horizontal pole all with movable plate sliding connection, the fixed block is located the inside of time shape frame. The utility model has novel design, compact structure and simple operation, is convenient for injection molding and taking out molded products, can meet the daily use requirements of people, has strong flexibility and is beneficial to popularization and use. However, the proposal still easily causes the conditions of non-uniformity and low speed during injection molding, and has the defects of long molding cycle of the plastic part and easy occurrence of demoulding and shell clamping during ejection.
Disclosure of Invention
The utility model aims to solve the problems and provides a washing machine shell injection mold with a needle valve type hot runner structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a washing machine shell injection mold with needle valve formula hot runner structure, includes the lower mould of moulding plastics and moulds plastics the mould, mould plastics the lower mould and mould plastics and be equipped with the casing shaping mold insert between the mould, casing shaping mold insert one end with mould plastics lower mould looks butt, the other end with mould plastics looks butt, mould plastics lower mould below be equipped with the liftout plate, the liftout plate on be equipped with oblique straight synchronous liftout piece of top, oblique straight synchronous liftout piece of top corresponding with the position of casing shaping mold insert, mould plastics and be equipped with needle valve formula hot runner subassembly of moulding plastics, needle valve formula hot runner subassembly of moulding plastics corresponding with the position of casing shaping mold insert.
In the above-mentioned washing machine shell injection mold with needle valve type hot runner structure, needle valve type hot runner subassembly of moulding plastics including setting up the mainboard of moulding plastics above the mould of moulding plastics, the mainboard of moulding plastics in be equipped with the master hole of moulding plastics, mould plastics and be equipped with needle valve type hot runner reposition of redundant personnel between the mould of moulding plastics, needle valve type hot runner reposition of redundant personnel and the position of the master hole of moulding plastics corresponding.
In the above washing machine housing injection mold with the needle valve type hot runner structure, the needle valve type hot runner manifold includes a needle valve type hot runner template disposed between the injection main plate and the injection upper mold, the needle valve type hot runner template corresponds to the injection main hole, a runner corresponding groove is disposed in the injection upper mold, and the runner corresponding groove is communicated with the needle valve type hot runner template.
In the washing machine shell injection mold with the needle valve type hot runner structure, the injection upper mold is provided with a hot runner template fixing part, the hot runner template fixing part is in clamping fit with the needle valve type hot runner template, one end of the hot runner template fixing part is in butt fit with the injection upper mold, and the other end of the hot runner template fixing part is in butt fit with the injection main plate.
In the washing machine shell injection mold with the needle valve type hot runner structure, the hot runner template fixing part comprises a fixing frame arranged on an injection upper mold, an inner frame cavity is arranged in the fixing frame, and the needle valve type hot runner template is positioned in the inner frame cavity and is in clamping fit with the fixing frame.
In the washing machine shell injection mold with the needle valve type hot runner structure, the shell molding insert comprises a shell molding insert arranged between an injection lower mold and an injection upper mold, one end of the shell molding insert is abutted with the injection lower mold, and the other end of the shell molding insert is abutted with the injection upper mold.
In the injection mold for the washing machine shell with the needle valve type hot runner structure, the injection lower mold is internally provided with an insert mounting cavity, and the shell molding insert corresponds to the insert mounting cavity in position and is matched with the insert mounting cavity in shape.
In the injection mold for the washing machine housing with the needle valve type hot runner structure, the inclined and straight ejection synchronous ejection part comprises a plurality of inclined ejector rods and straight ejector rods which are arranged on the ejection plate, and the inclined ejector rods and the straight ejector rods respectively correspond to the positions of the housing forming inserts.
In the injection mold for the washing machine shell with the needle valve type hot runner structure, the bottom of the ejector plate is provided with the bearing bottom plate, the bearing bottom plate is provided with a plurality of pieces of anti-deviation iron which are symmetrical along the central line of the bearing bottom plate, and the ejector plate is in sliding fit with the anti-deviation iron.
In the injection mold for the washing machine shell with the needle valve type hot runner structure, the supporting bottom plate is provided with a plurality of guide shafts penetrating through the ejector plate, and the ejector plate is in sliding fit with the guide shafts.
Compared with the prior art, the utility model has the advantages that:
1. in the injection molding process, the molten material is injected into the cavity through the needle valve type hot runner injection molding assembly for injection molding, the needle valve type hot runner structure is adopted, the injection molding is uniform, the speed is high, the molding period of a plastic part is shortened, the economic benefit is improved, the mold opening is carried out after the injection molding is finished, the ejector plate is moved, the inclined straight ejector synchronous ejector is driven by the ejector plate to synchronously move, and then the inclined straight ejector synchronous ejector is used for carrying out the ejection mode of combining the inclined ejection and the straight ejection on the plastic part, so that the ejection effect is good, and the condition of demolding and shell clamping is avoided.
2. In the moving process of the ejector plate, the ejector plate is in sliding fit with the anti-deflection iron, so that the angle deflection of the ejector plate can be avoided, and meanwhile, the ejector plate is guided by the sliding fit between the ejector plate and the guide shaft, so that the ejection 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 shell molding insert 3, an ejector plate 4, an inclined straight ejector synchronous ejector 5, a needle valve type hot runner injection molding assembly 6, an injection molding main board 7, an injection molding main hole 8, a needle valve type hot runner flow divider 9, a needle valve type hot runner template 10, a flow channel corresponding groove 11, a hot runner template fixing part 12, a fixing frame 13, an inner frame cavity 14, a shell molding insert 15, an insert mounting cavity 16, an inclined ejector rod 17, a straight ejector rod 18, a bearing bottom plate 19, an anti-bias iron 20 and a guide shaft 21.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a washing machine housing injection mold with a needle valve type hot runner structure comprises an injection lower mold 1 and an injection upper mold 2, a housing forming insert 3 is arranged between the injection lower mold 1 and the injection upper mold 2, one end of the housing forming insert 3 is abutted with the injection lower mold 1, the other end of the housing forming insert is abutted with the injection upper mold 2, a liftout plate 4 is arranged below the injection lower mold 1, an inclined and straight top synchronous liftout piece 5 is arranged on the liftout plate 4, the inclined and straight top synchronous liftout piece 5 corresponds to the housing forming insert 3, a needle valve type hot runner injection assembly 6 is arranged above the injection upper mold 2, and the needle valve type hot runner injection assembly 6 corresponds to the housing forming insert 3.
In the present embodiment, in the injection molding process, the injection lower mold 1 and the injection upper mold 2 are brought close to each other, one end of a shell forming insert 3 is abutted with the lower injection mould 1, the other end of the shell forming insert is abutted with the upper injection mould 2, the shell forming insert 3 is used for assisting in forming a washing machine shell plastic part, the lower injection mould 1 and the upper injection mould 2 are matched to form a complete cavity, a molten material is injected into the cavity through a needle valve type hot runner injection molding assembly 6 for injection molding, a needle valve type hot runner structure is adopted, the injection molding is uniform, the speed is high, the molding period of the plastic part is shortened, the economic benefit is improved, the mould opening after the injection molding is finished, an ejector plate 4 is moved, an inclined straight ejector 5 is driven by the ejector plate 4 to synchronously move, and then carry out the ejecting mode that the oblique top and straight top combined together through the synchronous ejecting piece 5 of oblique straight top to moulding, ejecting effect is better, avoids appearing the condition that the drawing of patterns card shell.
Referring to fig. 1 and 3, the needle valve type hot runner injection molding assembly 6 includes an injection molding main board 7 disposed above the injection molding upper die 2, an injection molding main hole 8 is disposed in the injection molding main board 7, a needle valve type hot runner shunt 9 is disposed between the injection molding main board 7 and the injection molding upper die 2, and the position of the needle valve type hot runner shunt 9 corresponds to the position of the injection molding main hole 8.
Specifically speaking, in the process of moulding plastics, the molten material pours into to needle valve formula hot runner reposition of redundant personnel piece 9 through the main hole 8 of moulding plastics in the mainboard 7 of moulding plastics, and rethread needle valve formula hot runner reposition of redundant personnel piece 9 shunts the molten material and moulds plastics, adopts needle valve formula hot runner structure, and it is even to mould plastics, and speed is higher, has shortened and has moulded a shaping cycle, has improved economic benefits, and the practicality is stronger.
Referring to fig. 1 and 3, the needle valve type hot runner manifold 9 includes a needle valve type hot runner template 10 disposed between the injection main board 7 and the injection upper mold 2, the needle valve type hot runner template 10 corresponds to the injection main hole 8, a runner corresponding groove 11 is disposed in the injection upper mold 2, and the runner corresponding groove 11 is communicated with the needle valve type hot runner template 10.
In this embodiment, the molten material is injected into needle valve formula hot runner template 10 through the owner's hole 8 of moulding plastics, sends the molten material to runner corresponding groove 11 through needle valve formula hot runner template 10, accomplishes moulding plastics getting into the die cavity, adopts needle valve formula hot runner structure, and it is comparatively even to mould plastics, and speed is higher, has shortened and has moulded a shaping cycle, has improved economic benefits, and the practicality is stronger.
The injection molding upper die 2 is provided with a hot runner template fixing part 12, the hot runner template fixing part 12 is in clamping fit with the needle valve type hot runner template 10, one end of the hot runner template fixing part 12 is in butt fit with the injection molding upper die 2, and the other end of the hot runner template fixing part is in butt fit with the injection molding main board 7.
In this embodiment, the hot runner template fixing part 12 is used to fix the needle valve type hot runner template 10, so as to avoid the position offset of the needle valve type hot runner template 10 during the injection molding process, and improve the injection molding precision.
Referring to fig. 3, the hot runner template fixing part 12 includes a fixing frame 13 disposed on the injection upper mold 2, an inner frame cavity 14 is disposed in the fixing frame 13, the needle valve type hot runner template 10 is located in the inner frame cavity 14, and the needle valve type hot runner template 10 is in clamping fit with the fixing frame 13.
In this embodiment, the fixing frame 13 is used to fix the needle valve type hot runner template 10, so as to avoid the position offset of the needle valve type hot runner template 10 during the injection molding process, and improve the injection molding precision.
The shell forming insert 3 comprises a shell forming insert 15 arranged between the injection lower die 1 and the injection upper die 2, one end of the shell forming insert 15 is abutted with the injection lower die 1, and the other end of the shell forming insert is abutted with the injection upper die 2.
In this embodiment, the housing forming insert 15 is used to assist in forming the plastic part of the washing machine housing, and the forming precision is good.
An insert mounting cavity 16 is arranged in the injection lower die 1, and the position of the shell forming insert 15 corresponds to that of the insert mounting cavity 16 and the shape of the shell forming insert is matched with that of the insert mounting cavity.
In this embodiment, the insert mounting cavity 16 is used for placing the housing forming insert 15, and plays a role in positioning the housing forming insert 15.
Referring to fig. 4, the synchronous inclined and straight ejector 5 includes a plurality of inclined ejector rods 17 and straight ejector rods 18 disposed on the ejector plate 4, and the positions of the inclined ejector rods 17 and the straight ejector rods 18 correspond to the positions of the housing forming insert 15, respectively.
In this embodiment, after accomplishing to mould plastics, remove ejector plate 4, drive oblique ejector pin 17 and straight ejector pin 18 through ejector plate 4 and carry out synchronous motion, adopt the ejecting mode that pushes up and directly push up and combine together to one side, ejecting area is big, and ejecting effect is better, avoids appearing the condition that the drawing of patterns card shell.
Referring to fig. 1 and 4, a supporting bottom plate 19 is arranged at the bottom of the ejector plate 4, a plurality of pieces of anti-deflection iron 20 which are symmetrical along the central line of the supporting bottom plate 19 are arranged on the supporting bottom plate 19, and the ejector plate 4 is in sliding fit with the anti-deflection iron 20.
In this embodiment, the supporting bottom plate 19 is used to fix the supporting ejector plate 4, and in the moving process of the ejector plate 4, the ejector plate 4 can be prevented from angular deviation by sliding fit between the ejector plate 4 and the anti-deviation iron 20, so that the ejection accuracy is improved.
Referring to fig. 4, the supporting bottom plate 19 is provided with a plurality of guide shafts 21 penetrating through the ejector plate 4, and the ejector plate 4 is in sliding fit with the guide shafts 21.
In this embodiment, in the moving process of the ejector plate 4, the ejector plate 4 is guided by the sliding fit between the ejector plate 4 and the guide shaft 21.
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, so that one end of a shell forming insert 15 is abutted against the injection molding lower die 1, the other end of the shell forming insert is abutted against the injection molding upper die 2, the shell forming insert 15 is used for assisting in forming a washing machine shell plastic part, a complete cavity is formed by matching the injection molding lower die 1 and the injection molding upper die 2,
in the injection molding process, the molten material is injected into the needle valve type hot runner template 10 through the injection main hole 8 in the injection main board 7, the molten material is sent to the runner corresponding groove 11 through the needle valve type hot runner template 10, the injection molding is completed after entering the cavity, the needle valve type hot runner structure is adopted, the injection molding is more uniform, the speed is higher, the molding cycle of a plastic part is shortened, the economic benefit is improved, the practicability is higher,
after the injection molding is finished, the mold is opened, the ejector plate 4 is moved, the inclined ejector rod 17 and the straight ejector rod 18 are driven by the ejector plate 4 to synchronously move, an ejection mode combining inclined ejection and straight ejection is adopted, the ejection area is large, the ejection effect is good, the condition of mold release and shell clamping is avoided,
the bearing bottom plate 19 is used for fixing the bearing ejector plate 4, and in the moving process of the ejector plate 4, through the sliding fit between the ejector plate 4 and the anti-deflection iron 20, the angle deflection of the ejector plate 4 can be avoided, and meanwhile, in the moving process of the ejector plate 4, through the sliding fit between the ejector plate 4 and the guide shaft 21, the guide effect is achieved on the ejector plate 4, and the ejection accuracy is improved.
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 housing forming insert 3, the ejector plate 4, the straight and inclined ejection synchronous ejector 5, the needle valve type hot runner injection assembly 6, the main injection plate 7, the main injection hole 8, the needle valve type hot runner manifold 9, the needle valve type hot runner mold plate 10, the runner corresponding groove 11, the hot runner mold plate fixing member 12, the fixing frame 13, the inner frame cavity 14, the housing forming insert 15, the insert mounting cavity 16, the inclined ejector rod 17, the straight ejector rod 18, the supporting bottom plate 19, the anti-bias iron 20, the guide shaft 21, 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. A washing machine shell injection mold with a needle valve type hot runner structure comprises an injection lower mold (1) and an injection upper mold (2), it is characterized in that a shell molding insert (3) is arranged between the injection lower die (1) and the injection upper die (2), one end of the shell molding insert (3) is abutted with the lower injection molding die (1), the other end is abutted with the upper injection molding die (2), an ejector plate (4) is arranged below the injection lower die (1), an inclined and straight ejection synchronous ejector (5) is arranged on the ejector plate (4), the inclined straight top synchronous ejecting part (5) corresponds to the position of the shell molding insert (3), a needle valve type hot runner injection molding assembly (6) is arranged above the injection upper mold (2), the needle valve type hot runner injection molding assembly (6) corresponds to the shell molding insert (3) in position.
2. The washing machine shell injection mold with the needle valve type hot runner structure according to claim 1, wherein the needle valve type hot runner injection assembly (6) comprises an injection main plate (7) disposed above the injection upper mold (2), a main injection hole (8) is disposed in the injection main plate (7), a needle valve type hot runner manifold (9) is disposed between the injection main plate (7) and the injection upper mold (2), and the needle valve type hot runner manifold (9) corresponds to the main injection hole (8).
3. The washing machine shell injection mold with the needle valve type hot runner structure according to claim 2, wherein the needle valve type hot runner manifold (9) comprises a needle valve type hot runner template (10) disposed between the injection main plate (7) and the injection upper mold (2), the needle valve type hot runner template (10) corresponds to the injection main hole (8), a runner corresponding groove (11) is disposed in the injection upper mold (2), and the runner corresponding groove (11) is communicated with the needle valve type hot runner template (10).
4. The washing machine shell injection mold with the needle valve type hot runner structure according to claim 3, wherein the injection upper mold (2) is provided with a hot runner template fixing part (12), the hot runner template fixing part (12) is in clamping fit with the needle valve type hot runner template (10), one end of the hot runner template fixing part (12) is in butt fit with the injection upper mold (2), and the other end of the hot runner template fixing part is in butt fit with the injection main plate (7).
5. The washing machine shell injection mold with the needle valve type hot runner structure as claimed in claim 4, wherein the hot runner template fixing member (12) comprises a fixing frame (13) disposed on the injection upper mold (2), an inner frame cavity (14) is disposed in the fixing frame (13), the needle valve type hot runner template (10) is disposed in the inner frame cavity (14), and the needle valve type hot runner template (10) is engaged with the fixing frame (13).
6. The washing machine shell injection mold with the needle valve type hot runner structure as claimed in claim 5, wherein the shell forming insert (3) comprises a shell forming insert (15) arranged between the lower injection mold (1) and the upper injection mold (2), one end of the shell forming insert (15) abuts against the lower injection mold (1), and the other end abuts against the upper injection mold (2).
7. The washing machine shell injection mold with the needle valve type hot runner structure according to claim 6, wherein an insert mounting cavity (16) is arranged in the injection lower mold (1), and the shell molding insert (15) corresponds to the insert mounting cavity (16) in position and is matched in shape.
8. The injection mold for the casing of the washing machine with the needle valve type hot runner structure as claimed in claim 7, wherein the synchronous lifter (5) comprises a plurality of inclined lifters (17) and straight lifters (18) arranged on the lifter plate (4), and the inclined lifters (17) and the straight lifters (18) correspond to the casing forming insert (15) respectively.
9. The injection mold for the washing machine shell with the needle valve type hot runner structure according to claim 8, wherein a supporting bottom plate (19) is arranged at the bottom of the ejector plate (4), a plurality of pieces of anti-deflection iron (20) which are symmetrical along the center line of the supporting bottom plate (19) are arranged on the supporting bottom plate (19), and the ejector plate (4) is in sliding fit with the anti-deflection iron (20).
10. The injection mold for the casing of the washing machine with the needle valve type hot runner structure as claimed in claim 9, wherein the supporting bottom plate (19) is provided with a plurality of guide shafts (21) penetrating through the ejector plate (4), and the ejector plate (4) is in sliding fit with the guide shafts (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638312.3U CN216182396U (en) | 2021-10-29 | 2021-10-29 | Washing machine shell injection mold with needle valve type hot runner structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638312.3U CN216182396U (en) | 2021-10-29 | 2021-10-29 | Washing machine shell injection mold with needle valve type hot runner structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216182396U true CN216182396U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122638312.3U Active CN216182396U (en) | 2021-10-29 | 2021-10-29 | Washing machine shell injection mold with needle valve type hot runner structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216182396U (en) |
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2021
- 2021-10-29 CN CN202122638312.3U patent/CN216182396U/en active Active
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