CN208645925U - A kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning - Google Patents
A kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning Download PDFInfo
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- CN208645925U CN208645925U CN201821133850.9U CN201821133850U CN208645925U CN 208645925 U CN208645925 U CN 208645925U CN 201821133850 U CN201821133850 U CN 201821133850U CN 208645925 U CN208645925 U CN 208645925U
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- China
- Prior art keywords
- built
- pilot pin
- injection mold
- limited post
- movable push
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning, comprising: pilot pin, one end are threaded through in injection mold, and top has and the matched positioning region of built-in part partial structurtes；Inductive switch is used to perceive the open mold state of injection mold；Driving mechanism is connect with inductive switch signal, and pilot pin can be driven to move in mold.Injection mold is opened, and it is intracavitary that pilot pin protrudes into the intracavitary type that built-in part is positioned at mold of type, after molding, the sliding block of injection mold positions built-in part from side, after inductive switch obtains molding signal, driving mechanism drives pilot pin retraction and is detached from built-in part, carries out product injection molding.It is unnecessary exposed effectively to prevent built-in part in this way, it is ensured that product keeps good appearance, promotes product quality.
Description
Technical field
The utility model relates to injection molding technology fields, and in particular to it is a kind of convenient for built-in part positioning injection mold from
Dynamic core-pulling mechanism.
Background technique
It in some injection molding products, needs to place the built-in part for realizing specific function, is formed for the ease of mold, one
As built-in part will do it structure and simplify design, built-in part need to be only placed directly into mold in fixed pilot pin and be determined
Position, finished product can be obtained in die sinking ejection after molding molding.
But there is also some special built-in parts, their specific function determines cannot be by being set up directly in mold
Fixed pilot pin is realized.A kind of shaped article 3 with 90 degree of plugs 31 as shown in attached drawing 1,2, inside include
Built-in part 32 as shown in Fig. 3.Since the contact pin 321 of built-in part 32 is matched, therefore built-in part with 31 direction of product plug
32 need to position placement by special angle in mold.If positioning built-in part by the fixed positioning needle construction of traditional moulds,
A groove corresponding with positioning needle construction finally can be additionally generated on shaped article, and the groove is that product appearance cannot
Receive.Therefore need a kind of built-in part positioning mechanism for being able to maintain the original appearance of product.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide one kind positions convenient for built-in part
Injection mold automatic core-pulling mechanism.
In order to achieve the above objectives, the technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning, comprising:
Pilot pin, one end are threaded through in injection mold, and top has and the matched positioning region of built-in part partial structurtes；
Inductive switch is used to perceive the open mold state of injection mold；
Driving mechanism is connect with inductive switch signal, and in injection mold die opening state, the driving mechanism drives fixed
Position needle is in first position state, and the first position state refers to that pilot pin is extend into molding mold cavity, pilot pin
Positioning region matches positioning with built-in part；In injection mould closing state, the driving mechanism drives pilot pin to be in second
State is set, the second position state refers to that pilot pin bounces back and is detached from built-in part.
The utility model compared to the prior art, open by injection mold, and pilot pin protrudes into that type is intracavitary to be positioned at built-in part
The type of mold is intracavitary, and after molding, the sliding block of injection mold positions built-in part from side, and inductive switch obtains molding signal
Afterwards, driving mechanism drives pilot pin retraction and is detached from built-in part, carries out product injection molding.Effectively prevent built-in part not in this way
It is necessary exposed, it is ensured that product keeps good appearance, promotes product quality.
Further, the driving mechanism includes cylinder and movable push, and the cylinder body of the cylinder is fixed on injection mold
Fixed form two sides, the movable push is connected to the piston rod top end of cylinder, and the pilot pin root is connected to the work
In dynamic push plate.
Further, the number of cylinders is two, is uniformly arranged on the two sides of movable push.
Using the above preferred scheme, movable push is pushed to drive pilot pin movement by two sides cylinder, it is ensured that fixed
Position needle run smoothly, improve the positioning accuracy of built-in part, it is ensured that when molding injection mould slide block smoothly with built-in part joint match.
Further, the movable push includes the first plate body and the second plate body, and it is big that the pilot pin root is equipped with outer diameter
It is equipped with the first through hole passed through for the main needle body of pilot pin in the stopper section of the main needle body outer diameter of pilot pin, in first plate body and keeps away
Allow the first groove body of pilot pin stopper section, second plate body suppresses the end face of pilot pin stopper section and locks Fu Yu by screw
On first plate body.
Using the above preferred scheme, the replacement and maintenance of pilot pin be can be convenient.
Further, first for limiting the movable push shift position is additionally provided on the fixed form of injection mold
Limited post and the second limited post, first limited post contradict movable push by end face to limit the position of movable push；Institute
The cylinder for stating the second limited post passes through movable push, and the end of the second limited post is equipped with a disk body section, and second limited post is logical
Cross the position of the inner face limitation movable push of disk body section.
Further, the adjustable in length of first limited post.
Further, position-adjustable of the disk body section on the second limited post.
Using the above preferred scheme, can more be accurately controlled pilot pin protrudes into position and retraction position, is promoted
Forming quality of products.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of shaped article of the utility model；
Fig. 2 is a kind of structural schematic diagram of shaped article of the utility model；
Fig. 3 is the structural schematic diagram of shaped article built-in part；
Fig. 4 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 5 is the structural schematic diagram of the utility model another embodiment；
Fig. 6 is the structural schematic diagram of the utility model another embodiment；
Fig. 7 is the structural schematic diagram of the utility model another embodiment；
Fig. 8 is the structural schematic diagram of the utility model another embodiment；
Fig. 9 is the structural schematic diagram of the utility model another embodiment；
Figure 10 is the structural schematic diagram of the utility model another embodiment.
The title of number and corresponding component represented by letter in figure:
1- pilot pin；The stopper section 11-；2- driving mechanism；21- cylinder；22- movable push；The first plate body of 221-；222-
Two plate bodys；223- first through hole；The first groove body of 224-；3- shaped article；31- plug；32- built-in part；321- contact pin；41- is solid
Solid plate；The first limited post of 42-；The second limited post of 43-；431- disk body section；51- sliding block；52- plug.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figure 4, a kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning, comprising:
Pilot pin 1, one end be threaded through injection mold (in order to more preferably show the utility model structure, injection mold it is each
Formwork structure is not entirely shown) in, top has and the matched positioning region of 32 partial structurtes of built-in part；
Inductive switch is used to perceive the open mold state of injection mold；
Driving mechanism 2 is connect with inductive switch signal, and in injection mold die opening state, driving mechanism 2 drives positioning
Needle 1 is in first position state, and the first position state refers to that pilot pin 1 is extend into molding mold cavity, pilot pin 1
Positioning region matches positioning with built-in part 32；In injection mould closing state, driving mechanism 2 drives pilot pin 1 to be in second
State is set, the second position state refers to that pilot pin 1 bounces back and is detached from built-in part 32.
Beneficial effect by adopting the above technical scheme is: as shown in figure 5, injection mold is opened, pilot pin 1 protrudes into type chamber
Interior, the type that built-in part 32 is positioned at mold jointly by pilot pin 1 and injection mold plug 52 is intracavitary；As shown in fig. 6, wait mold
Afterwards, the sliding block 51 of injection mold positions built-in part 32 from side；As shown in fig. 7, after inductive switch obtains molding signal, driving
Mechanism 2 drives the retraction of pilot pin 1 and is detached from built-in part 32；As shown in figure 8, carrying out product injection molding, shaped article is obtained
3.It is unnecessary exposed effectively to prevent built-in part in this way, it is ensured that product keeps good appearance, promotes product quality.
As shown in figure 4, driving mechanism 2 includes that cylinder 21 and activity push away in other embodiments of the utility model
Plate 22, the cylinder body of cylinder 21 are fixed on 41 two sides of fixed form of injection mold, and movable push 22 is connected to the piston of cylinder 21
Bar top, 1 root of pilot pin are connected in movable push 22；21 quantity of cylinder is two, is uniformly arranged on movable push 22
Two sides.Beneficial effect by adopting the above technical scheme is: pushing movable push 22 to drive pilot pin 1 by two sides cylinder 21
Movement, it is ensured that pilot pin 1 runs smoothly, and improves the positioning accuracy of built-in part 32, it is ensured that injection mould slide block 51 is smooth when molding
With 32 joint match of built-in part.
As shown in figure 9, movable push 22 includes 221 He of the first plate body in other embodiments of the utility model
Second plate body 222,1 root of pilot pin are equipped with the stopper section 11 that outer diameter is greater than the main needle body outer diameter of pilot pin, set in the first plate body 221
There are the first groove body 224 of the first through hole 223 and evacuation pilot pin stopper section 11 that pass through for the main needle body of pilot pin, the second plate body
222 suppress the end face of pilot pin stopper section 11 and are paid by screw lock on the first plate body 221.By adopting the above technical scheme
Beneficial effect is: can be convenient the replacement and maintenance of pilot pin.
As shown in Figure 10, it in other embodiments of the utility model, is also set on the fixed form 41 of injection mold
There are the first limited post 42 and the second limited post 43 for limiting 22 shift position of movable push, the first 42 columns of limit pass through end face
Movable push 22 is contradicted to limit the position of movable push 22；The cylinder of second limited post 43 passes through movable push 22, the second limit
The end of position column 43 is equipped with a disk body section 431, and the second limited post 43 limits movable push 22 by the inner face of disk body section 431
Position；The adjustable in length of first limited post 42；Position-adjustable of the disk body section 431 on the second limited post 43.Using above-mentioned
The beneficial effect of technical solution is: can more be accurately controlled pilot pin 1 protrudes into position and retraction position, promoted product at
Type quality.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow the common skill in this field
Art personnel can understand the content of the utility model and be implemented, and not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.
Claims (7)
1. a kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning characterized by comprising
Pilot pin, one end are threaded through in injection mold, and top has and the matched positioning region of built-in part partial structurtes；
Inductive switch is used to perceive the open mold state of injection mold；
Driving mechanism is connect with inductive switch signal, and in injection mold die opening state, the driving mechanism drives pilot pin
In first position state, the first position state refers to that pilot pin is extend into molding mold cavity, the positioning of pilot pin
Portion matches positioning with built-in part；In injection mould closing state, the driving mechanism drives pilot pin to be in second position shape
State, the second position state refer to that pilot pin bounces back and is detached from built-in part.
2. the injection mold automatic core-pulling mechanism according to claim 1 convenient for built-in part positioning, which is characterized in that described
Driving mechanism includes cylinder and movable push, and the cylinder body of the cylinder is fixed on the fixed form two sides of injection mold, the work
Dynamic push plate is connected to the piston rod top end of cylinder, and the pilot pin root is connected in the movable push.
3. the injection mold automatic core-pulling mechanism according to claim 2 convenient for built-in part positioning, which is characterized in that described
Number of cylinders is two, is uniformly arranged on the two sides of movable push.
4. the injection mold automatic core-pulling mechanism according to claim 3 convenient for built-in part positioning, which is characterized in that described
Movable push includes the first plate body and the second plate body, and the pilot pin root is equipped with outer diameter and is greater than stopping for the main needle body outer diameter of pilot pin
Stopper, interior the first slot for being equipped with the first through hole and evacuation pilot pin stopper section that pass through for the main needle body of pilot pin of first plate body
Body, second plate body suppress the end face of pilot pin stopper section and are paid by screw lock on the first plate body.
5. the injection mold automatic core-pulling mechanism according to claim 4 convenient for built-in part positioning, which is characterized in that injection molding
The first limited post and the second limited post for limiting the movable push shift position, institute are additionally provided on the fixed form of mold
It states the first limited post and movable push is contradicted to limit the position of movable push by end face；The cylinder of second limited post passes through
Movable push, the end of the second limited post are equipped with a disk body section, and second limited post is limited by the inner face of disk body section and lived
The position of dynamic push plate.
6. the injection mold automatic core-pulling mechanism according to claim 5 convenient for built-in part positioning, which is characterized in that described
The adjustable in length of first limited post.
7. the injection mold automatic core-pulling mechanism according to claim 6 convenient for built-in part positioning, which is characterized in that described
Position-adjustable of the disk body section on the second limited post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821133850.9U CN208645925U (en) | 2018-07-17 | 2018-07-17 | A kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821133850.9U CN208645925U (en) | 2018-07-17 | 2018-07-17 | A kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208645925U true CN208645925U (en) | 2019-03-26 |
Family
ID=65785512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821133850.9U Expired - Fee Related CN208645925U (en) | 2018-07-17 | 2018-07-17 | A kind of injection mold automatic core-pulling mechanism convenient for built-in part positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208645925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589876A (en) * | 2022-02-25 | 2022-06-07 | 歌尔股份有限公司 | Thermoplastic body injection mold and injection molding method |
-
2018
- 2018-07-17 CN CN201821133850.9U patent/CN208645925U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589876A (en) * | 2022-02-25 | 2022-06-07 | 歌尔股份有限公司 | Thermoplastic body injection mold and injection molding method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20200717 |