CN222004290U - Core pulling mechanism, injection mold and loudspeaker cover plate - Google Patents
Core pulling mechanism, injection mold and loudspeaker cover plate Download PDFInfo
- Publication number
- CN222004290U CN222004290U CN202323532637.9U CN202323532637U CN222004290U CN 222004290 U CN222004290 U CN 222004290U CN 202323532637 U CN202323532637 U CN 202323532637U CN 222004290 U CN222004290 U CN 222004290U
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- pulling mechanism
- core pulling
- transverse
- guide rail
- ejector rod
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- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The disclosure provides a core pulling mechanism, an injection mold and a loudspeaker cover plate. The core pulling mechanism comprises a sliding block ejector rod, a transverse guide piece and an inclined guide piece, wherein the ejector rod is arranged in the external rear template in a penetrating manner, and the first end of the ejector rod is arranged on the external top plate; the transverse guide piece is fixedly connected to the second end of the ejector rod, the transverse guide piece is positioned between the sliding block and the ejector rod, a transverse guide rail is formed on the transverse guide piece, the extending direction of the transverse guide rail is perpendicular to the die assembly direction, and the sliding block is connected to the transverse guide rail in a sliding manner; the oblique guide piece is used for being installed at the back template, and the oblique guide piece is located the outside of slider, and the oblique guide piece is formed with the oblique guide rail, and the extending direction of oblique guide rail is inclined to the compound die direction, and the slider still sliding connection is in the oblique guide rail. Thus, the transverse guide piece and the ejector rod of the present disclosure can not increase the size of the rear mold, and the oblique guide piece reduces the thickness of the rear mold, so that the size of the rear mold is smaller, and the structural compactness of the rear mold is improved.
Description
Technical Field
The disclosure relates to the technical field of injection molds, in particular to a core pulling mechanism, an injection mold and a loudspeaker cover plate.
Background
The injection mold is a mold for molding a plastic part, and during injection molding, molten plastic is injected into a molding groove of the mold, and the plastic part is formed after cooling molding. Because the structure of the plastic part is generally complicated, in order to enable the plastic part to be ejected smoothly, the injection mold needs to be provided with a core pulling mechanism, and before the pushing mechanism ejects the plastic part, a sliding block of the core pulling mechanism is separated from the mold, so that the plastic part can be ejected smoothly by the pushing mechanism.
In the related art, for example, CN113619041a, a secondary core-pulling mechanism for a slide block of an injection mold, the core-pulling mechanism includes a slide block, a shovel machine and an oblique guide post, the slide block is driven by the oblique guide post to complete the core-pulling action, and the slide block is locked by the shovel machine during mold closing.
However, since the shovel is disposed on the upper side of the slider, the overall size of the rear mold is large, resulting in poor compactness of the rear mold as a whole.
Disclosure of utility model
The purpose of this disclosure is to overcome the shortcoming among the prior art, provides a mechanism of loosing core, injection mold and loudspeaker apron that makes the mould embryo size less.
The aim of the disclosure is achieved by the following technical scheme:
The core pulling mechanism comprises a sliding block, and further comprises:
the ejector rod is arranged in the external rear template in a penetrating way, and the first end of the ejector rod is used for being arranged on the external top plate;
The transverse guide piece is fixedly connected to the second end of the ejector rod, the transverse guide piece is positioned between the sliding block and the ejector rod, a transverse guide rail is formed on the transverse guide piece, the extending direction of the transverse guide rail is perpendicular to the die closing direction, and the sliding block is connected to the transverse guide rail in a sliding manner; and
The oblique guide piece is used for being installed on the rear template, the oblique guide piece is located on the outer side of the sliding block, an oblique guide rail is formed on the oblique guide piece, the extending direction of the oblique guide rail is inclined to the die assembly direction, and the sliding block is further connected with the oblique guide rail in a sliding mode.
In one embodiment, the thickness of the oblique guide protruding from the rear mold plate is smaller than the thickness of the slider protruding from the rear mold plate.
In one embodiment, the sliding block is provided with an inclined sliding groove, and the inclined guide rail is embedded in the inclined sliding groove.
In one embodiment, the cross section of the oblique guide rail in the extending direction is in a T shape, and the oblique sliding groove is a T-shaped groove.
In one embodiment, the sliding block is provided with a transverse sliding groove, and the transverse guide rail is embedded in the transverse sliding groove.
In one embodiment, the cross section of the transverse guide rail in the extending direction is T-shaped, and the transverse sliding groove is a T-shaped groove.
In one embodiment, the core pulling mechanism further comprises a friction plate fixedly connected to the outer side face of the sliding block, and the friction plate is used for contacting the inner wall of the rear template.
In one embodiment, the core pulling mechanism further comprises a guide sleeve, the guide sleeve is sleeved on the ejector rod, and the guide sleeve is used for being fixed in the rear template.
An injection mold comprising the core pulling mechanism of any one of the embodiments.
A loudspeaker cover plate is prepared by adopting the injection mold.
Compared with the prior art, the method has at least the following advantages:
The ejector rod is arranged in the external rear template in a penetrating way, and the first end of the ejector rod is arranged on the external top plate, so that the ejector rod is arranged in the rear mould, and the ejector rod is prevented from increasing the size of the rear mould; the transverse guide piece is positioned between the ejector rod and the sliding block, so that the transverse guide piece is positioned in the rear die plate, and the transverse guide piece is prevented from increasing the size of the rear die. The oblique guide piece is located the outside of slider, therefore the thickness that the oblique guide piece protruding in the back die holder can be designed less, for the shovel machine that sets up in the slider upside, this disclosure has reduced the thickness of back mould. So, the size of back mould can not be increased to horizontal direction spare and ejector pin of this disclosure, and the slant direction spare has reduced the thickness of back mould for the size of back mould is less, has improved the compact structure degree of back mould, has reduced injection mold's manufacturing cost, and then has reduced the required cost of backshell production.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present disclosure and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic view of a core pulling mechanism according to an embodiment;
FIG. 2 is a schematic view of a core pulling mechanism shown in FIG. 1;
FIG. 3 is a schematic view of a core pulling mechanism shown in FIG. 1;
FIG. 4 is a cross-sectional view of the core back mechanism shown in FIG. 3 taken along line A-A;
Fig. 5 is a sectional view of the core back mechanism shown in fig. 3 taken along line B-B.
Reference numerals: a rear mold core 10a; a core pulling mechanism 10b; a slider 100; an inclined chute 101; a transverse runner 102; ejector pins 200; a lateral guide 300; a transverse rail 310; a diagonal guide 400; a diagonal rail 410; friction plate 500; guide sleeve 600.
Detailed Description
In order that the disclosure may be understood, a more complete description of the disclosure will be rendered by reference to the appended drawings. Preferred embodiments of the present disclosure are shown in the drawings. This disclosure may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used in the description of the disclosure herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In order to better understand the technical scheme and beneficial effects of the present disclosure, the following further details are described in conjunction with specific embodiments:
As shown in fig. 1, the injection mold of an embodiment includes a rear mold, the rear mold includes a rear mold plate, a rear mold core 10a and a top plate, the rear mold core 10a is embedded in the rear mold plate, and the top plate is movably disposed at one side of the rear mold plate facing away from the rear mold core 10 a. The rear mold further comprises a core pulling mechanism 10b, and the core pulling mechanism 10b and the rear mold core 10a jointly form a forming groove.
As shown in fig. 1 to 5, in one of the embodiments, the core back mechanism 10b includes a slider 100, a push rod 200, a lateral guide 300, and an inclined guide 400, the push rod 200 being for penetrating into an external rear mold plate, a first end of the push rod 200 being for mounting to an external top plate. The transverse guide 300 is fixedly connected to the second end of the ejector rod 200, the transverse guide 300 is located between the slide block 100 and the ejector rod 200, the transverse guide 300 is formed with a transverse guide rail 310, the extending direction of the transverse guide rail 310 is perpendicular to the die assembly direction, and the slide block 100 is slidably connected to the transverse guide rail 310. The oblique guide 400 is used for being installed on the rear mold plate, the oblique guide 400 is located at the outer side of the slide block 100, the oblique guide 400 is formed with an oblique guide rail 410, the extending direction of the oblique guide rail 410 is inclined to the mold closing direction, and the slide block 100 is also connected to the oblique guide rail 410 in a sliding manner.
As shown in fig. 2 to 5, in the present embodiment, the top plate drives the ejector pin 200 to slide in the mold clamping direction, and the ejector pin 200 drives the lateral guide 300 to move in the mold clamping direction, so that the slider 100 moves along the lateral guide 310, and so that the slider 100 moves along the diagonal guide 410. When the core is pulled, the top plate drives the ejector rod 200 and the transverse guide 300 to move along the mold opening direction, so that the sliding block 100 moves along the transverse guide rail 310 in a direction away from the rear mold core 10a, and the sliding block 100 moves along the oblique guide rail 410 in a direction away from the rear mold core 10a, so that the sliding block 100 is separated from the rear mold core 10a in an oblique direction, and the core pulling action of the core pulling mechanism 10b is completed. When the slide block 100 is reset, the ejector rod 200 is reset to drive the slide block 100 and the transverse guide 300 to reset, so that the slide block 100 and the rear mold core 10a form a forming groove again.
The core pulling mechanism 10b is characterized in that the ejector rod 200 is arranged in the external rear mold plate in a penetrating manner, and the first end of the ejector rod 200 is arranged on the external top plate, so that the ejector rod 200 is arranged in the rear mold, and the ejector rod 200 is prevented from increasing the size of the rear mold; the lateral guide 300 is located between the ejector pin 200 and the slider 100 such that the lateral guide 300 is located inside the rear mold plate, avoiding the lateral guide 300 from increasing the size of the rear mold. The diagonal guide 400 is located at the outer side of the slider 100, so that the thickness of the diagonal guide 400 protruding from the rear die holder can be designed to be small, and the present disclosure reduces the thickness of the rear die relative to the shovel provided at the upper side of the slider 100. Thus, the lateral guide 300 and the ejector rod 200 of the present disclosure do not increase the size of the rear mold, and the diagonal guide 400 reduces the thickness of the rear mold, so that the size of the rear mold is smaller, and the structural compactness of the rear mold is improved.
As shown in fig. 1, in one embodiment, the thickness of the oblique guide 400 protruding from the rear mold plate is smaller than that of the slide block 100 protruding from the rear mold plate, and the structural thickness on the rear mold plate is smaller, thereby improving the structural compactness of the rear mold.
As shown in fig. 4 and 5, in one embodiment, the sliding block 100 is provided with a diagonal chute 101, and a diagonal rail 410 is embedded in the diagonal chute 101, so that the diagonal rail 410 is limited in the diagonal chute 101, and the sliding block 100 is ensured to slide along the diagonal rail 410.
As shown in fig. 4, in one embodiment, the cross section of the diagonal rail 410 in the extending direction thereof is T-shaped, and the diagonal chute 101 is a T-shaped slot, so that the diagonal rail 410 is confined in the diagonal chute 101.
In one embodiment, as shown in fig. 3, the slider 100 is provided with a transverse chute 102, and a transverse rail 310 is embedded in the transverse chute 102, so that the slider 100 slides along the transverse rail 310.
In one embodiment, as shown in fig. 3, the cross rail 310 is T-shaped in cross section in the direction of extension thereof, and the cross runner 102 is a T-shaped slot such that the cross rail 310 is constrained within the cross runner 102.
As shown in fig. 3, in one embodiment, the core pulling mechanism 10b further includes a friction plate 500, where the friction plate 500 is fixedly connected to an outer side surface of the slider 100, and the friction plate 500 is used for contacting an inner wall of the rear mold plate, so as to avoid mutual friction between the slider 100 and the inner wall of the rear mold plate, and prolong the service life of the slider 100.
As shown in fig. 3, in one embodiment, the core pulling mechanism 10b further includes a guide sleeve 600, the guide sleeve 600 is sleeved on the ejector rod 200, and the guide sleeve 600 is used for being fixed in the rear mold plate. In this embodiment, the guide sleeve 600 is used to guide the movement of the ejector rod 200, so as to improve the smoothness of the movement of the ejector rod 200.
The disclosure also provides a loudspeaker cover plate, which is prepared by adopting the injection mold.
Compared with the prior art, the method has at least the following advantages:
The ejector rod 200 is arranged in the external rear template in a penetrating way, and the first end of the ejector rod 200 is arranged on the external top plate, so that the ejector rod 200 is arranged in the rear mould, and the ejector rod 200 is prevented from increasing the size of the rear mould; the lateral guide 300 is located between the ejector pin 200 and the slider 100 such that the lateral guide 300 is located inside the rear mold plate, avoiding the lateral guide 300 from increasing the size of the rear mold. The diagonal guide 400 is located at the outer side of the slider 100, so that the thickness of the diagonal guide 400 protruding from the rear die holder can be designed to be small, and the present disclosure reduces the thickness of the rear die relative to the shovel provided at the upper side of the slider 100. Thus, the lateral guide 300 and the ejector rod 200 of the present disclosure do not increase the size of the rear mold, and the diagonal guide 400 reduces the thickness of the rear mold, so that the size of the rear mold is smaller, and the structural compactness of the rear mold is improved.
The foregoing examples represent only a few embodiments of the present disclosure, which are described in more detail and detail, but are not to be construed as limiting the scope of the disclosure. It should be noted that variations and modifications can be made by those skilled in the art without departing from the spirit of the disclosure, which are within the scope of the disclosure. Accordingly, the scope of protection of the present disclosure should be determined by the following claims.
Claims (10)
1. A core pulling mechanism, which comprises a sliding block and is characterized in that,
The core pulling mechanism further comprises:
the ejector rod is arranged in the external rear template in a penetrating way, and the first end of the ejector rod is used for being arranged on the external top plate;
The transverse guide piece is fixedly connected to the second end of the ejector rod, the transverse guide piece is positioned between the sliding block and the ejector rod, a transverse guide rail is formed on the transverse guide piece, the extending direction of the transverse guide rail is perpendicular to the die closing direction, and the sliding block is connected to the transverse guide rail in a sliding manner; and
The oblique guide piece is used for being installed on the rear template, the oblique guide piece is located on the outer side of the sliding block, an oblique guide rail is formed on the oblique guide piece, the extending direction of the oblique guide rail is inclined to the die assembly direction, and the sliding block is further connected with the oblique guide rail in a sliding mode.
2. The core pulling mechanism according to claim 1, wherein the thickness of the inclined guide protruding from the rear die plate is smaller than the thickness of the slider protruding from the rear die plate.
3. The core pulling mechanism according to claim 1, wherein the slide block is provided with an oblique chute, and the oblique guide rail is embedded in the oblique chute.
4. A core pulling mechanism according to claim 3, wherein the cross section of the diagonal rail in the extending direction thereof is T-shaped, and the diagonal chute is a T-shaped chute.
5. The core pulling mechanism according to claim 1, wherein the slider is provided with a transverse chute, and the transverse guide rail is embedded in the transverse chute.
6. The core pulling mechanism according to claim 5, wherein the cross section of the transverse guide rail in the extending direction is T-shaped, and the transverse sliding groove is a T-shaped groove.
7. The core pulling mechanism according to claim 1, further comprising a friction plate fixedly connected to an outer side surface of the slider, the friction plate being used for the inner wall contact of the rear mold plate.
8. The core pulling mechanism according to claim 1, further comprising a guide sleeve, wherein the guide sleeve is sleeved on the ejector rod, and the guide sleeve is used for being fixed in the rear template.
9. An injection mold comprising a rear mold comprising the core pulling mechanism according to any one of claims 1 to 8.
10. A horn cover plate prepared by using the injection mold of claim 9.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222004290U true CN222004290U (en) | 2024-11-15 |
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| GR01 | Patent grant |