CN109049545A - A kind of mold for U-shaped elbow member injection molding - Google Patents
A kind of mold for U-shaped elbow member injection molding Download PDFInfo
- Publication number
- CN109049545A CN109049545A CN201810600873.4A CN201810600873A CN109049545A CN 109049545 A CN109049545 A CN 109049545A CN 201810600873 A CN201810600873 A CN 201810600873A CN 109049545 A CN109049545 A CN 109049545A
- Authority
- CN
- China
- Prior art keywords
- fuse
- elbow member
- sliding seat
- shaped elbow
- dynamic model
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
- B29C2045/334—Mountings or guides therefor; Drives therefor several transversely movable mould parts driven by a single drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C2045/4063—Removing or ejecting moulded articles preventing damage to articles caused by the ejector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/004—Bent tubes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to formation of tubes technical field of mold, especially a kind of mold for U-shaped elbow member injection molding.The mold for U-shaped elbow member injection molding include can along the sliding seat that the molding direction of the dynamic model is moved, can be towards the activity fuse from the stripper plate moved between mode locking position and de-molding position, the telescopic device for driving the stripper plate.The core model includes a pair of movable fuse and a pair of fixed fuse, when the stripper plate is positioned against de-molding position movement from the mode locking, the stripper plate squeezes the U-bend pipe fitting after molding end face, separates the U-bend pipe fitting with the movable fuse and the fixed fuse.In the present invention, U-shaped elbow member is pushed to be detached from core model by stripper plate, no setting is required, and thimble can complete automatic demoulding keeps the surface of U-shaped elbow member more attractive without ejection trace.
Description
Technical field
The present invention relates to formation of tubes technical field of mold, especially a kind of mold for U-shaped elbow member injection molding.
Background technique
Plastic conduit is just in stable development, and PE pipe, PP-R pipe, UPVC pipe all occupy a tiny space, and wherein PE manages powerful
Growth momentum attracts people's attention the most.PE pipe uses field extensive.Wherein feed pipe and fuel gas conduit are two maximum applications
Market.Chinese entitled, the polyethylene of PE chemistry, PE material due to its intensity height, high temperature resistant, it is anticorrosive, nontoxic the features such as, it is extensive
Applied to feed pipe manufacturing field.Because it will not get rusty, therefore, it is substituting the ideal tubing of common iron feed pipe.PE pipe fitting U
Type is curved to be mainly used in ground-source heat pump system, primarily to the fold-back for playing pipeline in being laid with pipe process is laid with connector
Connection function, U-shaped structure.The particularity for being molded U-shaped elbow member shape and structure determines mould during the core pulling of mold design inner hole
Core must have the rotation of certain angle, and for simplification mould structure, conventional method is simple active with sliding block junction use in mold core
Section, is pumped into that core process action is mechanical, and ejection resistance is big, be easy to cause that active to connect the damage of core pulling fuse, die life short, U-shaped curved
Pipe fitting unstable quality, production efficiency is not high and U-shaped elbow member inner hole is less than normal.
The U-shaped curved injection PE pipe fitting forming die of one kind that state's patent announcement number is CN202037810U as shown in figure 1, including mould
Have fuse and bindiny mechanism engaged therewith, the intracavitary mobilizable mold core of setting of the type of mould housing, and the fuse of mold core uses
Two sections can bi-directional movable structure, reduce the damage of core pulling fuse, ensure that the fuse service life；Fuse connection uses connecting rod machine
Structure effectively controls the core pulling order of two fuses, guarantees the smooth demoulding of U-shaped elbow member；Set up separately two auxiliary section of mold core
Corresponding exhaust passage is set, in favor of the cooling of leading portion fuse；Demoulding mechanism takes cylinder secondary core pulling mode and thimble to eject,
One section of core pulling of oil cylinder, purpose allow back segment fuse and U-shaped elbow member to be detached from, and are leading portion fuse rotating stripping demoulding slot milling；Two sections of pumpings
Core is link mechanism, and leading portion fuse generates centripetal force by connecting rod, postpones for deviating from from plastic pipe by rotation.
The U-shaped curved injection PE pipe fitting forming die, each mold clamping reset, fixed fuse 4 and the moving template 5 of mold
Close and generate sliding friction between material mouth, be easy to cause the service life of fixed fuse short and the U-shaped elbow member produced be easy it is winged
Side.The mold by thimble eject in the way of demould U-shaped elbow member, U-shaped elbow member surface will there are the traces that thimble ejects
Mark influences the beauty on U-shaped elbow member surface.
Summary of the invention
It is an object of that present invention to provide a kind of molds for U-shaped elbow member injection molding, and there is mold to be not necessarily to thimble top
It out can automatic demoulding, fixed fuse service life long advantage.
In order to achieve the above-mentioned advantages, provided by the present invention for the mold of U-shaped elbow member injection molding, including the U-shaped bend pipe of composition
The cover half of part type chamber, dynamic model, core model, can along the sliding seat that the molding direction of the dynamic model is moved, can be towards the movable fuse
From the stripper plate moved between mode locking position and de-molding position, the telescopic device for driving the stripper plate, the dynamic model can be
It is moved between dynamic model die sinking position and dynamic model die-closed position, which includes a pair of movable fuse and a pair of fixed fuse；
There is compressed spring, the compressed spring is for driving the dynamic model seat along described dynamic between the sliding seat and the dynamic model
The die sinking direction of mould is moved to sliding seat de-molding position, makes the core model that U-shaped elbow member formed after injection molding be driven to move with described
Mould separation；
The dynamic model can squeeze the sliding seat along molding direction, and the de-molding position is made to be moved to sliding seat die-closed position；
The fixation fuse is tubular structure, and movable fuse is hinged with the pull rod being contained in the fixation fuse, which wears
The end for crossing the sliding seat is fixed with driver plate；
There is mode locking bar between the driver plate and the stripper plate, the mode locking bar one or both ends and the driver plate,
The stripper plate is not fixed；
When the stripper plate is positioned against de-molding position movement from the mode locking, the mode locking bar is not pressurized, described
Stripper plate squeezes the U-bend pipe fitting after molding end face, makes the U-bend pipe fitting and the movable fuse and the fixed fuse
Separation；
When the stripper plate is mobile towards the mode locking position from the de-molding position, the mode locking bar is pressurized described in driving
Pull rod makes the movable fuse be moved to movable fuse mode locking position close to the fixed fuse.
In one embodiment of the invention, it is separated in the U-bend pipe fitting with the movable fuse, the fixed fuse
In the process, the movable fuse is rotated backwards to the fixed fuse, while the activity fuse is rotated relative to the pull rod.
In one embodiment of the invention, the sliding seat, which offers, is respectively used to accommodate the mode locking bar, the drawing
The through-hole of bar.
In one embodiment of the invention, the sliding seat is fixed with limited screw, and the dynamic model is fixed with positioned at institute
The limited block by sliding seat is stated, which offers the limit long hole for accommodating the limited screw, the limited screw and the limit
Bit length hole cooperates the moving range for limiting the sliding seat.
In one embodiment of the invention, the stripper plate is fixed with guide rod, and the sliding seat, which offers, accommodates institute
State the through-hole of guide rod.
In one embodiment of the invention, the cover half is fixed with sliding rail, and the dynamic model has corresponding with the sliding rail
The portion that is slidably matched.
In one embodiment of the invention, the cover half includes mode and solid plate, and the sliding seat is in sliding seat
When die-closed position, the sliding seat is bonded with the mode side.
In one embodiment of the invention, the mode locking bar is connected and fixed with the driver plate.
In one embodiment of the invention, the U-shaped elbow member is made of one of PE, PPR, PVC material.
In one embodiment of the invention, the telescopic device is hydraulic cylinder.
In the present invention, compressed spring is set between sliding seat and dynamic model, keeps sliding seat mobile toward die sinking direction
Then U-shaped elbow member is driven to be detached from dynamic model, sliding friction will not be generated by closing core model and dynamic model between material mouth, production it is U-shaped curved
Pipe fitting does not tend to have overlap.
In the present invention, U-shaped elbow member is pushed to be detached from core model by stripper plate, no setting is required, and thimble can be completed to take off automatically
Mould keeps the surface of U-shaped elbow member more attractive compared to the prior art.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the U-shaped curved injection PE pipe fitting forming die of existing one kind.
Fig. 2 show the structural schematic diagram of the mold for U-shaped elbow member injection molding of first embodiment of the invention.
Fig. 3 show the structural schematic diagram of the cover half of the mold of Fig. 2.
Fig. 4 show the molding status diagram of the dynamic model of the mold of Fig. 2.
Fig. 5 show the die opening state schematic diagram of the mold of Fig. 2.
Fig. 6 show the demoulding status diagram of the core model of the mold of Fig. 2.
Fig. 7 show the top view of the demoulding state of the core model of Fig. 6.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to specific embodiment, structure, feature and its effect is proposed according to the present invention, detailed description is as follows.
Fig. 2-4 is referred to, the mold for U-shaped elbow member injection molding of first embodiment of the invention includes that composition is U-shaped
The cover half A of elbow member type chamber, it dynamic model B, core model C, can be taken off towards movable fuse 2 from what is moved between mode locking position and de-molding position
Template 6, sliding seat 7, the telescopic device 10 for driving stripper plate 6 that can be moved along the molding direction of dynamic model B.Preferably, it stretches
Compression apparatus 10 is hydraulic cylinder.
Cover half A includes solid plate 12 and mode 13, when sliding seat 7 is in 7 die-closed position of sliding seat, sliding seat 7 and mode
The fitting of 12 sides.Cover half A is fixed with sliding rail A0, and dynamic model B has be slidably matched portion B1 corresponding with sliding rail.Preferably, sliding rail A0,
The portion B1 of being slidably matched is respectively guide sleeve, guide post.
Guarantee the position essence of cover half A, dynamic model B location precision when cover half A, dynamic model B are further fixed on for molding state respectively
Spend device D.Preferably, position precision device D is fine positioning.
Dynamic model B can be moved between dynamic model B die sinking position and dynamic model B die-closed position.Dynamic model B includes mode 17 and moving template
16.Dynamic model B can squeeze sliding seat 7 along molding direction, and sliding seat 7 is made to be moved to die-closed position from de-molding position.
Core model C includes a pair of movable fuse 2 and a pair of fixed fuse 5.Fixed fuse 5 is tubular structure, and movable fuse 2 is cut with scissors
It is connected to the pull rod 4 being contained in fixed fuse 5, the end that pull rod 4 passes through sliding seat 7 is fixed with driver plate 11.In U-bend pipe fitting
In movable fuse 2, fixed 5 separation process of fuse, movable fuse 2 is rotated backwards to fixed fuse 5, while movable fuse 2 is opposite
It is rotated in pull rod 4.
There is mode locking bar 9 between stripper plate 6 and driver plate 11, it is 9 one or both ends of mode locking bar and the driver plate 11, described
Stripper plate 6 is not fixed.
Preferably, mode locking bar 9 is connected and fixed with driver plate 11.When stripper plate 6 is positioned against de-molding position movement from mode locking,
Mode locking bar 9 is not pressurized, the U-bend pipe fitting end face after 6 extrusion forming of stripper plate, makes U-bend pipe fitting and movable fuse 2 and fixed core
Son 5 separates.Stripper plate 6 is further fixed on guide rod 8, and guide rod 8 is convenient for the reset of stripper plate 6.
There is compressed spring 14, compressed spring 14 is for driving movable mold Building B along dynamic model B's between sliding seat 7 and dynamic model B
Die sinking direction is moved to 7 de-molding position of sliding seat, makes core model C that U-shaped elbow member formed after injection molding be driven to separate with cover half A.It is sliding
Dynamic seat 7 offers the through-hole for being respectively used to accommodate guide rod 8, mode locking bar 9, pull rod 4.
Sliding seat 7 is fixed with limited screw 15, and dynamic model B is fixed with the limited block 18 positioned at 7 side of sliding seat, and limited block 18 is used
In making to swing in 7 sliding process of sliding seat, when reset, being capable of parking position accuracy.Limited block 18, which offers, accommodates limited screw 15
Limit long hole 180, limited screw 15 and limit long hole 180 cooperation be used for limit slippage seat 7 moving range.U-shaped elbow member
It is made of one of PE, PPR, PVC material.
The working principle of the mold of U-shaped elbow member injection molding:
Fig. 5-7 is referred to, when injection molding finishes mold die sinking, in the active force lower slider seat 7 of two compressed springs 14 along opening
Mould direction is mobile, and U-shaped elbow member is followed by core model and is moved out dynamic model to die sinking direction.Sliding seat 7 is acted in limited screw 15
It is moved to 15 restraining position of limited screw, stripper plate 6 can pass in and out safely sliding seat 7 at this time.Hydraulic cylinder and 6 phase of stripper plate
Even, it is moved in the driving bottom knock out bar 6 of hydraulic cylinder toward stripping direction, four guide rods 8 do guiding auxiliary.As stripper plate 6 and U
When type elbow member 1 contacts, continue to move toward stripping direction, U-tube drive activity fuse 2 moves pull rod 4 simultaneously toward stripping direction
And turn an angle added with position-limiting action and movable fuse 2 by the radian of U-shaped elbow member, guarantee activity fuse 2 with it is U-shaped curved
Pipe fitting 1 is not pulled, and U-shaped elbow member safe escape is made.
When resetting, stripper plate 6 moves under the driving of hydraulic cylinder toward mode locking direction and contacts four resets mold
Bar 9 continues to move toward mode locking direction, four release links 9 drive driver plates 11 then drive activity fuse 2 together toward mode locking direction
Moving, which makes a pair of movable fuse 2 be bonded to each other and reach movable fuse 2 with the corresponding fixed fitting of fuse 5 respectively, resets effect
Fruit.Stripper plate 6 is also just moved to mode locking position simultaneously.Then dynamic model B starts to mold, and squeezing sliding seat 7 along molding direction makes
Sliding seat 7 resets, and two compressed springs 14 are in compressive state.Molding is completed to guarantee that next mould continues to produce.
In the present invention, compressed spring is set between sliding seat and dynamic model, keeps sliding seat mobile toward die sinking direction
Then U-shaped elbow member is driven to be detached from dynamic model, sliding friction will not be generated by closing core model and dynamic model between material mouth, production it is U-shaped curved
Pipe fitting does not tend to have overlap.
In the present invention, U-shaped elbow member is pushed to be detached from core model by stripper plate, no setting is required, and thimble can be completed to take off automatically
Mould keeps the surface of U-shaped elbow member more attractive compared to the prior art.
More than, it is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but without departing from the technical solutions of the present invention, according to the technical essence of the invention to the above reality
Any simple modification, equivalent variations and modification made by example are applied, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of mold for U-shaped elbow member injection molding, cover half, dynamic model and core including forming U-shaped elbow member type chamber
Mould, the dynamic model can move between dynamic model die sinking position and dynamic model die-closed position, which includes a pair of movable fuse and one
To fixed fuse, which is characterized in that the mold further include can along the sliding seat that the molding direction of the dynamic model is moved, can direction
The activity fuse is from the stripper plate moved between mode locking position and de-molding position, the telescopic device for driving the stripper plate；
There is compressed spring, the compressed spring is for driving the dynamic model seat along the dynamic model between the sliding seat and the dynamic model
Die sinking direction is moved to sliding seat de-molding position, and the core model is made to drive U-shaped elbow member formed after injection molding and the dynamic model point
From；
The dynamic model can squeeze the sliding seat along molding direction, and the de-molding position is made to be moved to sliding seat die-closed position；
The fixation fuse is tubular structure, and movable fuse is hinged with the pull rod being contained in the fixation fuse, which passes through institute
The end for stating sliding seat is fixed with driver plate；
There is mode locking bar between the driver plate and the stripper plate, it is the mode locking bar one or both ends and the driver plate, described
Stripper plate is not fixed；
When the stripper plate is positioned against de-molding position movement from the mode locking, the mode locking bar is not pressurized, the demoulding
Plate squeezes the U-bend pipe fitting after molding end face, makes the U-bend pipe fitting and the movable fuse and the fixed fuse point
From；
When the stripper plate is mobile towards the mode locking position from the de-molding position, the mode locking bar, which is pressurized, drives the pull rod
The movable fuse is set to be moved to movable fuse mode locking position close to the fixed fuse.
2. the mold according to claim 1 for U-shaped elbow member injection molding, which is characterized in that in the U-bend
In part and the movable fuse, the fixed fuse separation process, the activity fuse is rotated backwards to the fixed fuse, simultaneously
The activity fuse is rotated relative to the pull rod.
3. the mold according to claim 2 for U-shaped elbow member injection molding, which is characterized in that the sliding seat is opened
Equipped with being respectively used to accommodate the through-hole of the mode locking bar, the pull rod.
4. the mold according to claim 2 for U-shaped elbow member injection molding, which is characterized in that the sliding seat is solid
Surely there is limited screw, the dynamic model is fixed with the limited block by the sliding seat, which, which offers, accommodates the limit
The limit long hole of position screw, the limited screw and the limit long hole cooperate the moving range for limiting the sliding seat.
5. the mold according to claim 2 for U-shaped elbow member injection molding, which is characterized in that the stripper plate is solid
Surely there is guide rod, the sliding seat offers the through-hole for accommodating the guide rod.
6. the mold according to claim 2 for U-shaped elbow member injection molding, which is characterized in that the cover half is fixed
There is sliding rail, the dynamic model has the portion that is slidably matched corresponding with the sliding rail.
7. the mold according to claim 2 for U-shaped elbow member injection molding, which is characterized in that the cover half includes
Mode and solid plate, when the sliding seat is in sliding seat die-closed position, the sliding seat is bonded with the mode side.
8. the mold according to claim 2 for U-shaped elbow member injection molding, which is characterized in that the mode locking bar with
The driver plate is connected and fixed.
9. the mold according to claim 2 for U-shaped elbow member injection molding, which is characterized in that the U-shaped elbow member
It is made of one of PE, PPR, PVC material.
10. the mold according to claim 2 for U-shaped elbow member injection molding, which is characterized in that the telescopic device
For hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600873.4A CN109049545B (en) | 2018-06-12 | 2018-06-12 | A mould for injection moulding of U type return bend spare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600873.4A CN109049545B (en) | 2018-06-12 | 2018-06-12 | A mould for injection moulding of U type return bend spare |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109049545A true CN109049545A (en) | 2018-12-21 |
| CN109049545B CN109049545B (en) | 2023-09-01 |
Family
ID=64820281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810600873.4A Active CN109049545B (en) | 2018-06-12 | 2018-06-12 | A mould for injection moulding of U type return bend spare |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109049545B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024667A (en) * | 2020-08-18 | 2020-12-04 | 新昌县开铭制冷配件有限公司 | Method for processing U-shaped pipe |
| CN113665062A (en) * | 2021-07-30 | 2021-11-19 | 深圳市南和建毅模具有限公司 | Mould for producing nasal oxygen tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024667A (en) * | 2020-08-18 | 2020-12-04 | 新昌县开铭制冷配件有限公司 | Method for processing U-shaped pipe |
| CN113665062A (en) * | 2021-07-30 | 2021-11-19 | 深圳市南和建毅模具有限公司 | Mould for producing nasal oxygen tube |
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| CN109049545B (en) | 2023-09-01 |
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