CN207915934U - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN207915934U CN207915934U CN201820130372.XU CN201820130372U CN207915934U CN 207915934 U CN207915934 U CN 207915934U CN 201820130372 U CN201820130372 U CN 201820130372U CN 207915934 U CN207915934 U CN 207915934U
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- China
- Prior art keywords
- shell
- injection mold
- flash
- sprue gate
- open end
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Abstract
The utility model provides a kind of injection mold, include shell with receiving space and the mold core being housed in the receiving space, the mold core cooperatively forms mold cavity jointly with the shell, it is formed there through the sprue gate being connected to the mold cavity, the shell has the first open end, the mold cavity is arranged in the first open end of the shell, the shell includes the close mold cavity and surrounds the upper surface of first open end, and the lower surface being oppositely arranged with the upper surface, the injection mold further includes being recessed the flash groove to be formed towards the lower surface from the upper table, the flash groove is connected to the mold cavity, and it is oppositely arranged with the sprue gate.Injection mold provided by the utility model is equipped with flash groove in shell, is oppositely arranged with sprue gate so that extra plastic cement is assembled to form flash in flash groove, to shift weld bond, avoids forming weld bond at the edge of frame, influences quality.
Description
【Technical field】
The utility model is related to technical field of mold more particularly to a kind of injection molds.
【Background technology】
In recent years, Information technology is grown rapidly, and the popularity rate of audio frequency apparatus is higher and higher, requirement of the people to audio frequency apparatus
It is not limited only to the broadcasting of video/audio, more requires to propose more requirements, especially 5G epoch to the reliability of audio frequency apparatus
It arrives, Technology of Mobile Multimedia also develops therewith, and many audio frequency apparatuses have a variety of amusement functions, as video playing, number are taken the photograph
Picture, game, GPS navigation etc., as functional requirement is more and more, in component integration degree it is higher and higher, to product
Quality also require to be increasingly stringenter.
In audio frequency apparatus, loud speaker is a kind of common electronic component, is mainly used for the broadcasting of audio signal, knot
Structure design directly affects audio playback quality.The loud speaker of the relevant technologies includes frame, be fixed on the magnetic circuit system of frame and
Vibrational system, magnetic circuit system is for generating magnetic field, and vibrational system is driven to create vibration in magnetic field, to make a sound.
In the loud speaker of the relevant technologies, frame is often produced by injection molding process, and plastic cement enters note from sprue gate
The cavity of mould, plastic cement flows in cavity is gradually formed by curing frame, but when injection molding production frame, two strands of plastic cement flow meetings
Combined at the face of sprue gate and generate weld bond, weld bond is in the edge of frame, herein stress compare concentration, strength weak,
It is easy cracking, the reliability for influencing frame quality, reducing frame.Structure wall thickness is small especially at weld bond, and plastic rubber welding is strong
Spend weak, weld bond cracking risk bigger.
Therefore, a kind of new injection mold solution above-mentioned technical problem must be provided by having in fact.
【Utility model content】
The purpose of this utility model is to provide a kind of by the weld bond transfer of frame edge, improves the note of frame quality
Mould.
In order to achieve the above object, the utility model provides a kind of injection mold, includes the shell with receiving space
With the mold core being housed in the receiving space, the mold core cooperatively forms mold cavity, the shell jointly with the shell
It is formed there through the sprue gate being connected to the mold cavity, there is the shell the first open end, the mold cavity setting to exist
First open end of the shell, the shell include close to the mold cavity and surround the upper table of first open end
Face and the lower surface being oppositely arranged with the upper surface, the injection mold further include from the upper table towards the following table
Face is recessed the flash groove to be formed, and the flash groove is connected to the mold cavity and is oppositely arranged with the sprue gate.
Preferably, the flash groove is arranged with the sprue gate face.
Preferably, the flash groove includes the connecting pin being connected to the mold cavity and from the connecting pin to remote
The flash end extended from the sprue gate direction.
Preferably, the flash groove increases towards the depth that the lower surface extends from the connecting pin to the flash end.
Preferably, the flash groove gradually increases towards the depth that the lower surface extends from the connecting pin to the flash end
Greatly.
Preferably, the shell includes hollow frame, and the frame includes being passed through from the upper surface towards the lower surface
Wear the notch to be formed, the shell further includes the cast guiding piece being inserted in the notch, the cast guiding piece with it is described
Notch matches and is enclosed the receiving space with the frame；The notch is connected to the receiving space, the cast
Mouth is opened on the cast guiding piece.
Preferably, the cast guiding piece includes the upper surface close to the first open end and the inside close to the mold core
Face；The upper surface is run through in described sprue gate one end, and the other end runs through the medial surface.
Preferably, the aperture at the sprue gate is gradually reduced along the direction of the upper surface towards the medial surface.
Preferably, the shell further includes the second open end being oppositely arranged with first open end, the mold core one
End is matched with second open end, and the other end forms the mold cavity with the upper table face interval.
Compared with the relevant technologies, injection mold provided by the utility model is equipped with flash groove in shell, opposite with sprue gate
Setting so that extra plastic cement continues to flow to flash groove, and aggregation forms flash, forms weld bond in flash groove, thus will
Weld bond shifts, and avoids forming weld bond at the edge of frame, influences frame quality.
【Description of the drawings】
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 is the three-dimensional assembling schematic diagram of injection mold provided by the utility model and moulding；
Fig. 2 is the perspective exploded view of injection mold and moulding shown in Fig. 1；
Fig. 3 is injection mold and moulding shown in Fig. 1 along the sectional view of line A-A；
Fig. 4 is the enlarged drawing of injection mold and moulding part B shown in Fig. 3；
Fig. 5 is the vertical view of injection mold shown in Fig. 1；
Fig. 6 is injection mold shown in Fig. 5 along the sectional view of line C-C；
Fig. 7 is the enlarged drawing of the parts injection mold D shown in Fig. 6.
【Specific implementation mode】
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 describing, it is clear that described embodiment is only a part of the embodiment 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 making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig. 2, wherein Fig. 1 is that the three-dimensional assembling of injection mold provided by the utility model and moulding is shown
It is intended to；Fig. 2 is the perspective exploded view of injection mold and moulding shown in Fig. 1.The utility model provides a kind of injection mold
2, for plastic-injection to be molded, it is processed into moulding 1.
In the present embodiment, this case has frame 11 of the above-mentioned injection mold injection molding applied to loud speaker, in order to obtain preferably
Frame form is added to component associated with frame 11, such as pole piece 13, magnet steel 15 and pad 17 in the moulding 1
Deng, associated components are put into together in mold 2, then carry out frame 11 injection molding, accurate positionin and the peace of associated components may be implemented
Dress, the pole piece 13 are attached at the surface of the magnet steel 15, and the pole piece 13 and magnet steel 15 are contained in the frame 11, described
Pad 17 is embedded in the frame 11.
Certainly, in other embodiments, the moulding 1 can be only frame 11 or frame 11 and other structures
Combination.
The frame 11 is by plastic cement injection molding in the injection mold 2.
13 preferably rectangular ring-type of the pole piece is set there are four the first turning 131, the first turning described in two of which
131 are formed with the first resigning portion 132 to recess to inward side from outside；The magnet steel 15 is similar with the shape of the pole piece 13,
Preferably rectangular ring-type is set there are four the second turning 151, the second turning 151 described in two of which from outside to inward side to
Recess is formed with the second resigning portion 152, and first resigning portion 132, the second resigning portion 152 are corresponding with the pad 17 to be set
It sets so that the pole piece 13, magnet steel 15 and the pad 17 keep certain spacing distance, are conducive to the pad 17 certain
Space in carry out follow-up welding job.
Please refer to Fig. 3 to Fig. 4, wherein Fig. 3 is injection mold and moulding shown in Fig. 1 along the sectional view of line A-A；
Fig. 4 is the enlarged drawing of injection mold and moulding part B shown in Fig. 3.The pole piece 13, magnet steel 15 and pad 17 are positioned over
In the injection mold 2, with the frame 11 using injection molding forming method be integrally formed, can greatly promote the frame 11,
Bond strength between pole piece 13, magnet steel 15 and pad 17 so that the moulding 1 is applied to the process and assemble of loud speaker
When, loadspeaker structure is stablized.
As shown in Figures 2 and 3, the injection mold 2 includes having the shell 21 of receiving space and being housed in the receiving
Mold core 22 in space；The mold core 22 cooperatively forms mold cavity 20 jointly with the shell 21, is formed there through on shell 21
The sprue gate 24 being connected to the mold cavity 20；Plastic cement enters the mold cavity 20 by the sprue gate 24；The mould
Have cavity 20 to be molded for plastic-injection, is processed into the moulding 1.
As shown in Figures 2 and 3, the shell 21 includes the first open end 210, the close mold cavity 20 and surrounds institute
State the upper surface 212 of the first open end 210, the lower surface 214 being oppositely arranged with the upper surface 212 and with described first
The second open end 216 that open end 210 is oppositely arranged, 22 one end of the mold core are matched with second open end 216, the other end
The mold cavity 20 is formed with the interval of the upper surface 212, the mold cavity 20 is arranged in first open end 210.
The shell 21 includes hollow frame 211, and the frame 211 includes from the upper surface 212 towards the following table
The notch 2111 that face 214 is formed there through, the shell 21 further include the cast guiding piece 213 being inserted in the notch 2111,
The cast guiding piece 213 matches with the notch 2111 and is enclosed the receiving space with the frame 213；It is described to lack
Mouth 2111 is connected to the receiving space, and the sprue gate 24 is opened on the cast guiding piece 213.
As shown in fig. 6, the cast guiding piece 213 includes close to the upper surface 2131 of the first open end 210 and close
The medial surface 2132 of the mold core 22；The upper surface 2131 is run through in 24 one end of the sprue gate, and the other end runs through the inside
Face 2132.The aperture at the sprue gate 24 is gradually reduced along the direction of the upper surface 2131 towards the medial surface 2132.
As shown in figure 4, the mold core 22 is equipped with from it close to the surface of the mold cavity 20 to close to the mould type
The protrusion 221 that the direction of chamber 20 extends, the magnet steel 15, pole piece 13 sequentially pass through described raised 221, and the pole piece 13 is close to institute
State the surface of mold cavity 20 and raised 221 flush.
Please refer to Fig. 5 to Fig. 7, wherein Fig. 5 is the vertical view of injection mold shown in Fig. 1；Fig. 6 is injection molding shown in Fig. 5
Sectional view of the mold along line C-C；Fig. 7 is the enlarged drawing of the parts injection mold D shown in Fig. 6.Further, the injection mold 2
Further include from the upper surface of the shell 21 212 to the lower surface 214 recess formed flash groove 23, the flash groove 23 with
The mold cavity 20 is connected to, and is oppositely arranged with the sprue gate 24 so that extra plastic cement continues to flow to the flash
Slot 23, aggregation form flash, and weld bond is formed in the flash groove 23, to shift weld bond, avoid in the frame
11 edge forms weld bond, influences 11 mass of the frame, and the flash groove 23 is preferably arranged with 24 face of the sprue gate,
Two bursts of plastic cement flowings just combine in the flash groove 23 and generate weld bond, avoid plastic cement flash excessive and waste.
The flash groove 23 include the connecting pin 231 being connected to the mold cavity 20 and from the connecting pin 231 to
The flash end 233 extended far from 24 direction of the sprue gate.
Plastic cement in the mold cavity 20 flows to the flash groove 23 from the connecting pin 231, at the flash end
Aggregation forms flash in 233.
As shown in fig. 7, the flash groove 23 towards the depth that the lower surface 214 extends from the connecting pin 231 to described
Flash end 233 increases.Specifically, the flash groove 23 is towards the depth that the lower surface 214 extends from the connecting pin 231 to institute
It states flash end 233 gradually to increase, more flashes can be accepted, prevent plastic cement from flowing to the outside of the shell 21, influence institute
State the structure of frame 11.
In the present embodiment, from the connecting pin 231 to 233 direction of flash end, the cross section of the flash groove 23
Product is in consecutive variations, and certainly, in other embodiments, the cross-sectional area of the flash groove 23 can also be in discontinuous variation.
As shown in figure 4, when injection molding, the magnet steel 15, pole piece 13, pad 17 are sequentially placed in the mold core 22
On, fluidised form plastic cement flows to the mold cavity 20 by the sprue gate 24, with plastic cement flow cure, the frame 11 with
The magnet steel 15, pole piece 13,17 integrated injection molding of pad, obtain the moulding 1, and extra plastic cement flows to the flash
Slot 23 forms weld bond in the flash groove 23, generates flash portion 111；
After cooling down, the preparatory processing moulding 1 after molding is obtained, is carried in the frame 11 of the moulding 1
Flash portion 111 detaches the flash portion 111, obtains the moulding 1 of injection molding.
Specifically, manual manipulation method can be used, the flash portion 111 is detached from frame 11, hand can be passed through
Work breaks folding, can also apply mechanical pressure by tool to the flash portion 111, realize separation.
Above-described is only the embodiment of the utility model, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to this practicality
Novel protection domain.
Claims (9)
1. a kind of injection mold includes shell and the mold core being housed in the receiving space, the mould with receiving space
Core cooperatively forms mold cavity jointly with the shell, and the shell is formed there through the sprue gate being connected to the mold cavity,
The shell has the first open end, and in first open end, the shell includes close to described for the mold cavity setting
Mold cavity and the lower surface for surrounding the upper surface of first open end and being oppositely arranged with the upper surface, feature
Be, the injection mold further includes being recessed the flash groove to be formed towards the lower surface from the upper table, the flash groove with
The mold cavity is connected to and is oppositely arranged with the sprue gate.
2. injection mold according to claim 1, which is characterized in that the flash groove is arranged with the sprue gate face.
3. injection mold according to claim 1, which is characterized in that the flash groove includes being connected to the mold cavity
Connecting pin and from the connecting pin to far from the sprue gate direction extend flash end.
4. injection mold according to claim 3, which is characterized in that the depth that the flash groove extends towards the lower surface
Increase from the connecting pin to the flash end.
5. injection mold according to claim 4, which is characterized in that the depth that the flash groove extends towards the lower surface
Gradually increase from the connecting pin to the flash end.
6. injection mold according to claim 1, which is characterized in that the shell includes hollow frame, the frame
Include the notch being formed there through from the upper surface towards the lower surface, the shell further includes being inserted in pouring in the notch
Guiding piece is noted, the cast guiding piece matches with the notch and is enclosed the receiving space with the frame；It is described to lack
Mouth is connected to the receiving space, and the sprue gate is opened on the cast guiding piece.
7. injection mold according to claim 6, which is characterized in that the cast guiding piece includes close to the first open end
Upper surface and close to the mold core medial surface；The upper surface is run through in described sprue gate one end, and the other end is through described
Medial surface.
8. injection mold according to claim 7, which is characterized in that the aperture at the sprue gate is along the upper surface towards institute
The direction for stating medial surface is gradually reduced.
9. injection mold according to claim 1, which is characterized in that the shell further includes and first open end phase
To the second open end of setting, described mold core one end is matched with second open end, the other end and the upper table face interval shape
At the mold cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130372.XU CN207915934U (en) | 2018-01-25 | 2018-01-25 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130372.XU CN207915934U (en) | 2018-01-25 | 2018-01-25 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207915934U true CN207915934U (en) | 2018-09-28 |
Family
ID=63605816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820130372.XU Active CN207915934U (en) | 2018-01-25 | 2018-01-25 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207915934U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045941A (en) * | 2019-06-06 | 2020-12-08 | 河南裕展精密科技有限公司 | Injection mould |
| CN113752480A (en) * | 2021-09-23 | 2021-12-07 | 信义汽车部件（芜湖）有限公司 | Skylight glass injection mold |
| WO2024032024A1 (en) * | 2022-08-09 | 2024-02-15 | 青岛海尔空调器有限总公司 | Injection molding product mold, injection molding product mold processing method and injection molded product |
-
2018
- 2018-01-25 CN CN201820130372.XU patent/CN207915934U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045941A (en) * | 2019-06-06 | 2020-12-08 | 河南裕展精密科技有限公司 | Injection mould |
| TWI715063B (en) * | 2019-06-06 | 2021-01-01 | 新加坡商鴻運科股份有限公司 | Injection mould |
| CN113752480A (en) * | 2021-09-23 | 2021-12-07 | 信义汽车部件（芜湖）有限公司 | Skylight glass injection mold |
| CN113752480B (en) * | 2021-09-23 | 2023-04-18 | 信义汽车部件（芜湖）有限公司 | Skylight glass injection mold |
| WO2024032024A1 (en) * | 2022-08-09 | 2024-02-15 | 青岛海尔空调器有限总公司 | Injection molding product mold, injection molding product mold processing method and injection molded product |
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