CN220331864U - Injection molding core-pulling mechanism of water pump volute - Google Patents
Injection molding core-pulling mechanism of water pump volute Download PDFInfo
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- CN220331864U CN220331864U CN202322279928.5U CN202322279928U CN220331864U CN 220331864 U CN220331864 U CN 220331864U CN 202322279928 U CN202322279928 U CN 202322279928U CN 220331864 U CN220331864 U CN 220331864U
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- core
- upper die
- compression molding
- water pump
- seat
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000001746 injection moulding Methods 0.000 title claims abstract description 20
- 238000000748 compression moulding Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 16
- 239000007924 injection Substances 0.000 abstract description 16
- 238000007723 die pressing method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process 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
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection molding core pulling mechanism of a water pump volute, which comprises an upper die assembly and a lower die assembly which are matched with each other, wherein the upper die assembly comprises an upper die holder and an upper compression molding seat, the lower die assembly comprises a lower die holder and a lower compression molding seat, an upper die cavity is arranged in the upper compression molding seat, a liquid injection hole is arranged on the upper die holder, a lower die cavity matched with the upper die cavity is arranged in the lower compression molding seat, a quick demolding assembly is arranged on the side edge of the upper die holder, the quick demolding assembly comprises two demolding cylinders and inclined slide bars, two positioning seats positioned on the front side and the rear side of the upper compression molding seat are fixed on the two sides in the upper die holder, push rods are connected to the front side and the rear side of each positioning seat in a sliding manner, one side of each push rod is inserted into a side groove of the upper compression molding seat, and the inclined slide bars are inserted into the positioning seats and can drive the push rods on the same side to swing back and forth to push the upper compression molding seat to rotate when swinging so as to realize demolding. This structure realizes quick drawing of patterns, improves work efficiency, reduces the finished product disability rate.
Description
Technical Field
The utility model relates to the technical field of injection molding dies, in particular to an injection molding core-pulling mechanism of a water pump volute.
Background
The water pump is very common in daily life, and the water pump can overcome the characteristics that water flows to low to transport water from low to high, is convenient for use water in daily life. The water pump volute is one of the most important components in the water pump, and the water pump volute is quite important in that the water flow thrown from the impeller is collected and the water flow velocity in the volute is kept basically unchanged by means of the gradual increase of the water flow section of the water pump volute.
However, after injection molding, the existing water pump volute 16 is moved up, and in the process of moving up the upper die assembly, cooling is not in place, so that the upper die is easy to drive the internal product to move up at the same time, so that demolding is not smooth, the product is pulled to deform, and finally the product yield is affected, so that improvement is needed.
Disclosure of Invention
The utility model aims to provide an injection molding core pulling mechanism of a water pump volute, which aims to solve the problems that the existing injection mold proposed in the background technology is unsmooth in demolding and low in product yield caused by easy deformation of a pulled product.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mechanism of loosing core of moulding plastics of water pump spiral case, includes the last mould subassembly and the lower mould subassembly of mutually supporting, last mould subassembly include upper die base and last compression moulding seat, lower mould subassembly include die holder and lower compression moulding seat, be provided with the die cavity in the last compression moulding seat, be provided with the notes liquid hole on the upper die base, lower compression moulding seat in be provided with last die cavity complex lower die cavity the upper die base side be provided with quick drawing of patterns subassembly, quick drawing of patterns subassembly include two drawing of patterns hydro-cylinders and oblique slide bar, both sides in the upper die base are fixed with two positioning seats that are located the both sides around the last compression moulding seat, equal sliding connection has the push rod around each positioning seat, just push rod one side inserts in the side recess of last compression moulding seat, oblique slide bar is pegged graft in the positioning seat, and can drive the push rod of homonymy and swing back and promote the rotatory drawing of patterns of mould moulding seat realization.
Preferably, in order to realize integrative core pulling of side, improve work efficiency go up compression molding seat side be provided with the guide notch the die holder side be fixed with the delivery port subassembly of loosing core, the delivery port subassembly of loosing core include the hydro-cylinder of loosing core and the slider of loosing core, the piston rod of hydro-cylinder of loosing core with the slider of loosing core be connected, one side activity of the slider of loosing core is pegged graft on the guide notch the one end of slider of loosing core is fixed with the head of loosing core that is used for carrying out the core to the delivery outlet of water pump spiral case, the other end of slider of loosing core is provided with T type draw-in groove the tip of the piston rod of hydro-cylinder of loosing core is provided with the T type locating lever of pegging graft with T type draw-in groove.
Preferably, in order to realize quick disassembly, a core-pulling notch is formed in the side edge of the lower die holder, two symmetrical core-pulling guide bars are arranged in the core-pulling notch, inclined guide sliding grooves are formed in the inner sides of the core-pulling guide bars, and guide sliding bars matched with the inclined guide sliding grooves are arranged on the two sides of the core-pulling sliding blocks.
Preferably, for convenient installation, two sides of the core pulling oil cylinder are respectively fixed with a positioning frame, and the positioning frames are fixed on the side edges of the lower die holder.
Preferably, for convenient positioning, the center is prevented from being deviated during injection molding, and later demolding is facilitated, a positioning column fixed in an upper die holder is arranged at the center of the upper die molding seat, and the positioning column is used for being inserted into a water inlet port of a water pump volute to position the center of the water pump volute.
Preferably, four guide sleeves are arranged on the lower die holder, and guide posts matched with the guide sleeves are arranged on the upper die holder.
Compared with the prior art, the utility model has the beneficial effects that: this structure setting can realize the quick drawing of patterns effect to injection mold, guarantees that the drawing of patterns is smooth and easy, improves work efficiency simultaneously, reduces because the last mould drives the finished product and moves down and lead to drawing of patterns and the low problem of yield that appears of deformation.
Drawings
FIG. 1 is a schematic diagram of a prior art water pump volute;
fig. 2 is a schematic structural diagram of the injection molding core pulling mechanism of the water pump volute in the embodiment when the injection molding core pulling mechanism is assembled;
FIG. 3 is a schematic diagram of the structure of the upper module with the bottom up and the water pump volute in this embodiment;
FIG. 4 is a schematic view of the upper die holder of FIG. 2 shown separated from other components;
FIG. 5 is a schematic view of the upper die holder of FIG. 3 without the upper die holder installed, with one of the positioning bases and one of the push rods separated from the other components;
fig. 6 is a schematic structural diagram of the lower die assembly of the present embodiment when the lower die assembly includes a water pump volute;
FIG. 7 is a schematic view of the structure without the lower die holder in the present embodiment;
FIG. 8 is a schematic view of the other core back guide bar of FIG. 7 separated from other components;
fig. 9 is a schematic structural view of the core-pulling guide bar.
In the figure: the upper die assembly 1, the lower die assembly 2, the upper die holder 101, the upper compression molding seat 102, the upper die cavity 103, the side groove 104, the liquid injection hole 105, the injection molding head 106, the lower die holder 201, the lower compression molding seat 202, the lower die cavity 203, the quick demolding assembly 5, the demolding cylinder 501, the inclined slide rod 502, the positioning seat 503, the push rod 504, the guide notch 3, the water outlet core-pulling assembly 4, the core-pulling cylinder 401, the core-pulling slide block 402, the core-pulling head 403, the T-shaped clamping groove 6, the T-shaped positioning rod 7, the core-pulling notch 8, the core-pulling guide bar 9, the inclined guide chute 10, the guide slide bar 11, the positioning frame 12, the positioning column 13, the guide sleeve 14, the guide column 15, the water pump volute 16, the water inlet 16-1 and the output port 16-2.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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.
Example 1
Referring to fig. 1-9, fig. 1 is a schematic structural diagram of a water pump volute 16 to be processed according to the present embodiment; the injection molding core pulling mechanism of the water pump volute provided by the embodiment comprises an upper die assembly 1 and a lower die assembly 2 which are matched with each other, and is characterized in that: the upper die assembly 1 comprises an upper die holder 101 and an upper die pressing forming seat 102, the lower die assembly 2 comprises a lower die holder 201 and a lower die pressing forming seat 202, an upper die cavity 103 is arranged in the upper die pressing forming seat 102, a liquid injection hole 105 is formed in the upper die holder 101, a lower die cavity 203 matched with the upper die cavity 103 is arranged in the lower die pressing forming seat 202, a quick demoulding assembly 5 is arranged on the side edge of the upper die holder 101, the quick demoulding assembly comprises two demoulding cylinders 501 and inclined slide rods 502, two positioning seats 503 which are positioned on the front side and the rear side of the upper die pressing forming seat 102 are fixed on two sides in the upper die holder 101, push rods 504 are connected to the front side and the rear side of each positioning seat 503 in a sliding mode, one side of each push rod 504 is inserted into a side groove 104 of the upper die pressing forming seat 102, and the inclined slide rods 502 are inserted into the positioning seats 503, and can drive the push rods 504 on the same side to swing back and forth to push the upper die pressing forming seat 102 to rotate when the inclined slide rods 502 swing.
In this embodiment, the injection hole 105 is later communicated with an injection head 106, the injection head 106 is fixed on the side of the lower compression molding seat 202, and the side of the injection head 106 is communicated with the lower mold cavity 203, so as to finally ensure that injection flows into the lower mold cavity 203 respectively, and then the upper mold base 101 and the lower mold cavity 203 after being fully assembled are distributed for injection molding, and the specific structure of the injection head 106 and how injection molding is implemented are conventional in the art, so that the description is omitted.
Preferably, in order to realize side integral core pulling and improve the working efficiency, a guide notch 3 is arranged on the side of the upper compression molding seat 102, a water outlet core pulling assembly 4 is fixed on the side of the lower die holder 201, the water outlet core pulling assembly 4 comprises a core pulling cylinder 401 and a core pulling sliding block 402, a piston rod of the core pulling cylinder 401 is connected with the core pulling sliding block 402, one side of the core pulling sliding block 402 is movably inserted into the guide notch 3, a core pulling head 403 for carrying out core pulling on an output port 16-2 of a water pump volute is fixed at one end of the core pulling sliding block 402, a T-shaped clamping groove 6 is arranged at the other end of the core pulling sliding block 402, and a T-shaped positioning rod 7 inserted into the T-shaped clamping groove 6 is arranged at the end part of the piston rod of the core pulling cylinder 401;
through the structure, after the die is assembled, before the die is opened, the core-pulling oil cylinder 401 is driven to work, the core-pulling sliding block 402 is driven to move to drive the core-pulling head 403 to pull out an output port 16-2 on the side edge of the water pump volute 16 along with the movement of the core-pulling head, so that the side core-pulling operation is realized, the integral die assembly is realized, the integral working efficiency is improved, meanwhile, the T-shaped positioning rod 7 is arranged on a piston rod of the core-pulling oil cylinder 401, the core-pulling sliding block 402 is provided with the T-shaped clamping groove 6 which is spliced with the T-shaped positioning rod 7, the T-shaped positioning rod 7 is clamped into the T-shaped clamping groove 6 from the upper part, the T-shaped positioning rod 7 cannot fall out of the T-shaped clamping groove 6 in the horizontal direction, the core-pulling sliding block 402 can be horizontally driven to move, and when the lower die assembly is disassembled in the later stage, the core-pulling oil cylinder 401 only needs to be disassembled from the side edge of the lower die assembly 201, and the core-pulling oil cylinder 401 can be separated from the core-pulling sliding block 402 from the lower net.
Preferably, in order to realize quick disassembly, a core pulling notch 8 is arranged on the side edge of the lower die holder 201, two symmetrical core pulling guide bars 9 are arranged in the core pulling notch 8, oblique guide sliding grooves 10 are arranged on the inner sides of the core pulling guide bars 9, guide sliding bars 11 matched with the oblique guide sliding grooves 10 are arranged on the two sides of the core pulling sliding blocks 402, in the embodiment, the core pulling position is fixed by utilizing the guide sliding bars 11 to be matched with the oblique guide sliding grooves 10, the core pulling effect is prevented from being influenced due to the fact that the position is deviated during core pulling, the core pulling deviation of a product is guaranteed, and scrapped problems occur, and all components are convenient to disassemble in later period.
Preferably, for easy installation, two sides of the core-pulling cylinder 401 are respectively fixed with a positioning frame 12, the positioning frames 12 are fixed on the side edges of the lower die holder 201, the core-pulling cylinder 401 is fixed on the side edges of the lower die holder 201 through the positioning frames 12 on two sides in cooperation with screws, so that the installation is easy, and the later disassembly is also convenient, and meanwhile, the installation stability is ensured.
Preferably, for convenient positioning, the center of the upper die-pressing forming seat 102 is provided with a positioning column 13 fixed in the upper die seat 101 for positioning the center of the water pump volute by being inserted into a water inlet 16-1 of the water pump volute, the positioning column 13 is fixed in the upper die seat 101 by the arrangement of the structure, and the positioning column 13 is inserted into the upper die seat 102 and placed in the upper die cavity 103, so that positioning of the center of the water pump volute is realized when die assembly injection molding is ensured, and meanwhile, when the later-stage quick die-releasing assembly 5 works, the inner finished product is ensured not to rotate along with the rotation of the lower die-pressing forming seat 202, so that positioning during die-releasing is realized, and later-stage die-releasing is facilitated.
Preferably, four guide bushings 14 are disposed on the lower die holder 201, and guide posts 15 matched with the guide bushings 14 are disposed on the upper die holder 101, so that when the upper die and the lower die are well combined when the upper die is matched with the guide posts 15 by disposing the guide bushings 14 in the embodiment, the accuracy of die assembly is improved.
The overall working principle of the utility model is as follows:
during installation, the upper die holder 101 is fixed on the upper die driving mechanism through a screw, the lower die holder 201 is fixed on die clamping equipment, when the upper die driving mechanism works to drive the upper die holder 101 to move downwards and then to be combined with the lower die holder 201 to realize die clamping, the upper die cavity 103 and the lower die cavity 203 are guaranteed to be combined to form a complete die clamping cavity, then injection equipment is connected to the upper end of the injection hole 105, injection liquid is injected into the die clamping cavity to complete injection, after injection is completed, the side core pulling assembly 4 works to realize side core pulling and demolding, before the upper die moves upwards, at the moment, the quick demolding assembly 5 works firstly, the demolding cylinders 501 on two sides work reversely, one moves forwards and then moves backwards to drive the corresponding inclined slide rods 502, then to drive the push rods 504 to move along the angles of the inclined slide rods 502, finally to drive the upper die cavity 103, and slightly rotate and the internal finished products are separated firstly, the lower side of the finished products are properly guaranteed to be separated from the lower die cavity 203, then the upper die holder 101 moves upwards, the upper die holder 101 and the finished products are smoothly separated from the finished products, and the demolding efficiency is improved, and the deformation of the upper die can be further improved due to the fact that the upper die holder is not smoothly moved, and the demolding efficiency is not smoothly moved, and the deformation of the upper die is further improved due to the fact that the upper die is improved, and the deformation is further improved due to the fact that the deformation is further improved. In addition, in order to realize the rotation of the upper die-pressing seat 102, a certain space exists between the upper die-pressing seat 102 and the upper die holder 101.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the utility model, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the utility model as long as they fall within the true spirit of the utility model.
Claims (6)
1. The utility model provides a mechanism of loosing core of moulding plastics of water pump spiral case, includes the last module (1) and lower module (2) of mutually supporting, its characterized in that: the upper die assembly (1) include upper die base (101) and last compression molding seat (102), lower die assembly (2) include die holder (201) and lower compression molding seat (202), go up and be provided with die cavity (103) in compression molding seat (102), be provided with liquid hole (105) on upper die base (101), lower compression molding seat (202) in be provided with last die cavity (103) complex lower die cavity (203) upper die base (101) side be provided with quick drawing of patterns subassembly (5), quick drawing of patterns subassembly include two drawing of patterns hydro-cylinders (501) and slide bar (502), both sides in upper die base (101) be fixed with two positioning seat (503) that are located the both sides around upper compression molding seat (102), all sliding connection has push rod (504) around each positioning seat (503), just push rod (504) one side inserts in side recess (104) of upper compression molding seat (102), slide bar (502) are pegged graft in positioning seat (503), and push rod (502) can drive swing slide rod (502) and swing behind the realization front and back side and swing in the same swing.
2. The injection molding core pulling mechanism of a water pump volute of claim 1, wherein: last compression molding seat (102) side be provided with guide notch (3) the die holder (201) side be fixed with delivery port subassembly (4) of loosing core, delivery port subassembly (4) of loosing core include core hydro-cylinder (401) and loose core slider (402), the piston rod of core hydro-cylinder (401) with loose core slider (402) be connected, the one side activity of loose core slider (402) peg graft in guide notch (3) the one end of loose core slider (402) is fixed with the head of loosing core that is used for carrying out the core to the delivery port of water pump spiral case, the other end of loose core slider (402) is provided with T type draw-in groove (6) the tip of the piston rod of loose core hydro-cylinder (401) be provided with T type locating lever (7) of pegging graft with T type draw-in groove (6).
3. The injection molding core pulling mechanism of a water pump volute of claim 2, wherein: the core pulling device is characterized in that a core pulling notch (8) is formed in the side edge of the lower die holder (201), two symmetrical core pulling guide strips (9) are arranged in the core pulling notch (8), inclined guide sliding grooves (10) are formed in the inner sides of the core pulling guide strips (9), and guide sliding strips (11) matched with the inclined guide sliding grooves (10) are arranged on the two sides of the core pulling sliding blocks (402).
4. The injection molding core pulling mechanism of the water pump volute according to claim 2 or 3, wherein: two sides of the core pulling oil cylinder (401) are respectively fixed with a positioning frame (12), and the positioning frames (12) are fixed on the side edges of the lower die holder (201).
5. The injection molding core pulling mechanism of a water pump volute of claim 4, wherein: the center of the upper compression molding seat (102) is provided with a positioning column (13) fixed in the upper die holder (101), and the positioning column (13) is used for being inserted into a water inlet of the water pump volute to position the center of the water pump volute.
6. The injection molding core pulling mechanism of a water pump volute of claim 5, wherein: four guide sleeves (14) are arranged on the lower die holder (201), and guide posts (15) matched with the guide sleeves (14) are arranged on the upper die holder (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322279928.5U CN220331864U (en) | 2023-08-24 | 2023-08-24 | Injection molding core-pulling mechanism of water pump volute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322279928.5U CN220331864U (en) | 2023-08-24 | 2023-08-24 | Injection molding core-pulling mechanism of water pump volute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220331864U true CN220331864U (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322279928.5U Active CN220331864U (en) | 2023-08-24 | 2023-08-24 | Injection molding core-pulling mechanism of water pump volute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220331864U (en) |
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2023
- 2023-08-24 CN CN202322279928.5U patent/CN220331864U/en active Active
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