CN213353387U - Slider core-pulling structure and injection mold - Google Patents
Slider core-pulling structure and injection mold Download PDFInfo
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- CN213353387U CN213353387U CN202021791505.1U CN202021791505U CN213353387U CN 213353387 U CN213353387 U CN 213353387U CN 202021791505 U CN202021791505 U CN 202021791505U CN 213353387 U CN213353387 U CN 213353387U
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Abstract
The utility model provides a slider structure of loosing core and injection mold. The slider core-pulling structure comprises a slider body, a core-pulling mechanism and a driving assembly. The utility model discloses technical scheme is through setting up the mechanism of loosing core, and when the mechanism of loosing core constantly kept away from the position displacement on front mould surface toward the spout, the slider core constantly is taken out from the hole of loosing core, and when the more and when darker of the hole site of moulding, spout on the accessible inclined plane and the mechanism sliding connection of loosing core utilize the inclination on inclined plane to adjust the mechanism of loosing core and take out the distance from the hole of loosing core to realize the operation of loosing core fast.
Description
Technical Field
The utility model relates to an injection mold technical field, in particular to slider structure of loosing core and injection mold.
Background
The injection molding is to inject a high-temperature molten plastic material into a mold, and obtain a molded plastic product after cooling and solidification, and the injection molding process mainly comprises the stages of mold closing, filling, pressure maintaining, cooling, mold opening, demolding and the like. Demoulding is the last link in the injection moulding process and is also a very important link. Although the plastic part is formed by cold setting, demoulding still has important influence on the quality of the plastic part, and improper demoulding mode can cause the defects of uneven stress of the plastic part during demoulding, product deformation during ejection and the like. Particularly, when the side core-pulling and demolding are performed, if the core-pulling and demolding are performed in the horizontal direction or the vertical direction, the mechanism is relatively easy to design space and structure, but the mechanism is relatively complex and difficult to design in the non-horizontal direction or the vertical direction, namely, the core-pulling and demolding at an oblique angle, and when the core-pulling and demolding mechanism under the working condition is designed, a core-pulling power source and the mechanism are narrowly installed.
The existing plastic part has more and deeper hole sites, and the plastic part is easy to wrap a die and is difficult to demould.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slider structure of loosing core and injection mold aims at solving the more and darker of current hole site of moulding, moulds the technical problem that the mould is difficult to the drawing of patterns of wrapping easily.
In order to achieve the above object, the utility model provides a slider structure of loosing core is applied to on the front mould, the front mould is provided with the die cavity, set up the coring hole that the slope set up in the front mould, the coring hole runs through the front mould, and with the die cavity intercommunication, the slider structure of loosing core includes:
the sliding block body is arranged on the surface of the front die, which is far away from the die cavity, in a sliding manner, an inclined surface is arranged on the sliding block body, and a sliding groove is formed in the inclined surface;
the core pulling mechanism is arranged in the core pulling hole in a sliding mode, one end of the core pulling mechanism extends to the cavity wall of the mold cavity, and the other end of the core pulling mechanism is arranged in the sliding groove in a sliding mode;
the driving assembly is connected with the sliding block body so as to drive the sliding block body to slide on the surface of the front die;
the surface of the front mold far away from the mold cavity is a horizontal plane, and when the driving assembly drives the sliding block body to slide on the surface of the front mold, the core pulling mechanism slides along the length direction of the sliding groove, so that the core pulling mechanism is pulled away or stretches into the core pulling hole
Preferably, the sliding groove is a T-shaped groove.
Preferably, in a direction from the driving assembly to the slider body, a distance between the inclined surface and a surface of the front mold away from the mold cavity gradually increases.
Preferably, the core-pulling mechanism includes:
a slider core;
the front mould insert is arranged in the core-pulling hole in a sliding mode, the front mould insert is located on the cavity wall of the die cavity, the front mould insert is connected with one end, far away from the sliding block core, of the sliding block body, and one end, far away from the sliding block core, of the front mould insert is connected with the sliding block body.
Preferably, the slider core-pulling structure further includes:
the pressing piece is arranged on the surface, far away from the die cavity, of the front die, a limiting groove is formed in one end, facing the die cavity, of the pressing piece, and the sliding block body is arranged in the limiting groove in a sliding mode.
Preferably, a guide groove is formed in the groove wall of the limiting groove, a guide protrusion is formed on the side wall of the slider body in a protruding mode, and the guide protrusion is arranged in the guide groove in a sliding mode.
Preferably, the core pulling mechanism further comprises:
the guide sleeve is arranged on the sliding block mold core in a sliding mode, and the peripheral wall of the guide sleeve is abutted to the hole wall of the core pulling hole.
Preferably, the slider core-pulling structure further includes:
the limiting inductor is arranged on the front die and is electrically connected with the driving assembly;
one end of the connecting rod is connected with the sliding block body, and the other end of the connecting rod extends to the limiting inductor;
the sensing piece is arranged at one end, far away from the sliding block body, of the connecting rod;
when the driving assembly drives the sliding block body to be far away from the core pulling mechanism and the sensing piece is abutted to the sensing port of the limiting sensor, the driving assembly stops moving.
The utility model also provides an injection mold, include as above-mentioned arbitrary slider structure of loosing core, injection mold still includes the front mould back mould, the front mould is provided with the die cavity, set up the hole of loosing core that the slope set up in the front mould, it runs through to loose core the hole the front mould, and with the die cavity intercommunication, the mechanism of loosing core slide set up in it is downthehole to loose core, the back mould set up in on the front mould, in order to seal the die cavity.
The utility model discloses technical scheme is through setting up the mechanism of loosing core, and when the mechanism of loosing core constantly kept away from the position displacement on front mould surface toward the spout, the slider core constantly is taken out from the hole of loosing core, and when the more and when darker of the hole site of moulding, spout on the accessible inclined plane and the mechanism sliding connection of loosing core utilize the inclination on inclined plane to adjust the mechanism of loosing core and take out the distance from the hole of loosing core to realize the operation of loosing core fast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the slider core pulling structure of the present invention;
fig. 2 is a schematic structural view of another embodiment of the slider core-pulling structure of the present invention;
fig. 3 is a schematic structural view of another embodiment of the slider core-pulling structure of the present invention;
fig. 4 is a schematic structural view of another embodiment of the slider core pulling structure of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a slider structure of loosing core 100.
As shown in fig. 1 to 4, the utility model discloses slider structure of loosing core 100 is applied to on front mould 200, front mould 200 is provided with die cavity a, set up the core pulling hole (not shown) that the slope set up in the front mould 200, the core pulling hole runs through front mould 200, and with die cavity a intercommunication, slider structure of loosing core 100 includes: the sliding block body 10 is arranged on the surface, away from the die cavity A, of the front die 200 in a sliding mode, an inclined surface B is arranged on the sliding block body 10, and a sliding groove C is formed in the inclined surface B; the core pulling mechanism 20 is arranged in the core pulling hole in a sliding mode, one end of the core pulling mechanism 20 extends to the cavity wall of the mold cavity A, and the other end of the core pulling mechanism 20 is arranged in the sliding groove C in a sliding mode; a driving assembly 30, wherein the driving assembly 30 is connected with the slider body 10 to drive the slider body 10 to slide on the surface of the front mold 200; the surface of the front mold 200 far from the mold cavity a is a horizontal plane, and when the driving assembly 30 drives the slider body 10 to slide on the surface of the front mold 200, the core-pulling mechanism 20 slides along the length direction of the sliding groove C, so that the core-pulling mechanism 20 is pulled away from or extends into the core-pulling hole
In this embodiment, since the core-pulling direction of the slider core-pulling structure 100 is different from the demolding direction of the front mold 200, and the core-pulling direction and the demolding direction of the front mold 200 are arranged at an included angle, when the core-pulling mechanism 20 is slidably arranged in the core-pulling hole, one end of the core-pulling mechanism 20 is slidably connected with the chute C, and the other end of the core-pulling mechanism extends to the cavity wall of the mold cavity a, and forms an injection mold cavity with the cavity wall of the mold cavity a, or an insert can be arranged at one end of the core-pulling mechanism 20 away from the slider body 10, so. Because the slider body 10 is provided with the inclined surface B, there are two kinds of inclination directions of the inclined surface B, and the distance between the surfaces of the inclined surface B and the front mold 200 away from the cavity a gradually increases from the inclined surface B of the slider body 10 to the direction of the side of the slider body 10 away from the inclined surface B, or the distance between the surfaces of the inclined surface B and the front mold 200 away from the cavity a gradually decreases from the inclined surface B of the slider body 10 to the direction of the side of the slider body 10 away from the inclined surface B. Therefore, when the core pulling mechanism 20 continuously moves to the position where the chute C is far away from the surface of the front mold 200, the slider mold core 21 is continuously pulled away from the core pulling hole, and when the hole positions of the plastic part are more and deeper, the chute C on the inclined plane B is in sliding connection with the core pulling mechanism 20, and the inclination angle of the inclined plane B is used for adjusting the distance of the core pulling mechanism 20 from the core pulling hole, so as to realize the quick core pulling operation.
It will be appreciated that the power source may be a pneumatic or hydraulic cylinder. And the travelling crane of the chute C can be an L-shaped or T-shaped structure to ensure that the core-pulling mechanism 20 does not depart from the chute C.
Specifically, the chute C is a T-shaped groove. As an alternative embodiment, the shape of the chute C may be an L-shaped or T-shaped configuration to ensure that the core pulling mechanism 20 does not disengage from the chute C. Two notches can be formed in one end, close to the slider body 10, of the core pulling mechanism 20, so that the notches of the T-shaped sliding chute C are in sliding connection with the two notches, and the relative position between the core pulling mechanism 20 and the chute bottom of the sliding chute C is limited.
Specifically, in the direction from the driving assembly 30 to the slider body 10, the distance between the inclined surface B and the surface of the front mold 200 away from the cavity a gradually increases. As an alternative embodiment, the inclined plane B is preferably inclined toward the core pulling mechanism 20, and the side of the slider body 10 away from the inclined plane B is externally connected with a power source, such as an air cylinder. When the slider body 10 slides from one side of the inclined plane B to the opposite side, the notch of the T-shaped chute C slides relative to the two notches, and the sliding core-pulling mechanism 20 gradually moves towards the position of the chute C away from the surface of the front mold 200, in the process, the oblique displacement of the core-pulling mechanism 20 can be decomposed into an upward displacement, so that the core-pulling mechanism 20 is separated from the core-pulling hole, and the core-pulling operation is realized.
Specifically, the core pulling mechanism 20 includes: a slider core 21; the front mold insert 22 is arranged in the core-pulling hole in a sliding mode, the front mold insert 22 is located on the cavity wall of the mold cavity A, the front mold insert 22 is connected with one end, far away from the slider body 10, of the slider core 21, and one end, far away from the front mold insert 22, of the slider core 21 is connected with the slider body 10. In this embodiment, in order to facilitate the processing of the core-pulling mold, the front mold insert 22 may be processed separately, and then the front mold insert 22 and the slider core 21 are connected to the end away from the slider body 10, and the front mold insert 22 is driven to slide in the core-pulling hole by the three slider cores 21, thereby realizing the core-pulling operation.
Specifically, the front mold insert 22 is far away from one end of the slider body 10 is provided with a clamping piece 241, and the slider core pulling structure 100 further includes: the auxiliary insert 24 is disposed on the cavity wall of the mold cavity a, the auxiliary insert 24 is disposed with a clamping groove F, and the clamping piece 241 is disposed in the clamping groove F, so that the auxiliary insert 24 is fixed on the front mold insert 22. In this embodiment, for some structures with a larger volume, a plurality of inserts may be required for assembly, so that the auxiliary insert 24 may be provided, the clamping groove F is formed on the auxiliary insert 24, the engaging member 241 is provided on the front mold insert 22, and the engaging member 241 is provided in the clamping groove F to connect the front mold insert 22 and the auxiliary insert 24, which is convenient for assembly.
Specifically, the slider core pulling structure 100 further includes: and the fastening piece 242 sequentially penetrates through the groove wall of the clamping groove F and the clamping piece 241 so as to fix the clamping piece 241 in the clamping groove F. As an alternative embodiment, a fastening member 242 may be provided to fix the engaging member 241 in the slot F, and the fastening member 242 may be a bolt or the like.
Specifically, the number of the slide core 21 is three, the number of the sliding grooves C is three, one end of each of the three slide cores 21, which faces the slide body 10, is slidably disposed in the three sliding grooves C, and one end of each of the three slide cores 21, which is far away from the slide body 10, is connected to the front mold insert 22. When the slider core 21 constantly keeps away from the position displacement on front mould 200 surface toward spout C, the slider core 21 constantly takes out from the coring hole, and because three slider core 21 respectively with three spout C sliding connection, the slider core 21 keeps in certain extent with spout C's tank bottom distance all the time, so that three slider core 21 can take out in step or stretch into the coring hole under slider body 10's drive downthehole, realize that a slider body 10 drags three slider core 21 simultaneously, reduce the time of loosing core.
Specifically, the slider core pulling structure 100 further includes: the pressing piece 40 is arranged on the surface of the front mold 200 far away from the mold cavity a, a limiting groove D is formed in one end, facing the mold cavity a, of the pressing piece 40, and the slider body 10 is arranged in the limiting groove D in a sliding mode. In this embodiment, a pressing member 40 may be fixedly disposed on the front mold 200, and the slider body 10 is slidably disposed in the limiting groove D to limit the position of the slider body 10, and provide a reaction force for the slider body 10 to prevent the slider body 10 from being separated from the front mold 200.
Specifically, a guide groove E is formed in a groove wall of the limit groove D, a guide protrusion 41 is formed on a side wall of the slider body 10 in a protruding manner, and the guide protrusion 41 is slidably disposed in the guide groove E. In this embodiment, the two symmetrical groove walls of the limiting groove D may be provided with guide grooves E, and the two symmetrical side walls of the slider body 10 are provided with guide protrusions 41, so that the sliding stability of the slider body 10 is improved and the slider core 21 is prevented from being jammed by the guide protrusions 41 and the guide grooves E in a sliding manner.
It can be understood that a wear-resistant member may be disposed between the bottom of the limiting groove D and the slider body 10 to prevent the slider body 10 from being damaged by friction. And a plurality of circular grooves can be arranged on the wear-resistant part, and lubricating oil is arranged in the circular grooves.
Specifically, the core pulling mechanism 20 further includes: and the guide sleeve 23 is arranged on the slider core 21 in a sliding manner, and the peripheral wall of the guide sleeve 23 is abutted to the hole wall of the core-pulling hole. In this embodiment, in order to improve the sliding stability of the slider core 21, a guide sleeve 23 may be disposed on the slider core 21, so that the guide sleeve 23 is fixed to the core pulling hole, and the slider core 21 is slidably connected to the guide sleeve 23, thereby effectively improving the sliding stability of the slider core 21.
Specifically, the slider core pulling structure 100 further includes: the limit inductor 50 is arranged on the front mold 200, and the limit inductor 50 is electrically connected with the driving assembly 30; one end of the connecting rod 60 is connected with the slider body 10, and the other end of the connecting rod 60 extends to the limit inductor 50; the sensing piece 70 is arranged on one end of the connecting rod 60 far away from the slider body 10; when the driving assembly 30 drives the slider body 10 to move away from the core pulling mechanism 20 and the sensing member 70 abuts against the sensing port of the limit sensor 50, the driving assembly 30 stops moving. In this embodiment, in order to limit the maximum displacement of the slider body 10, a limit sensor 50 may be disposed, a connecting rod 60 is disposed at an end of the slider body 10 away from the inclined plane B, and a sensing element 70 is disposed at an end of the connecting rod 60 away from the slider body 10, so that when the driving element 30 drives the slider body 10 away from the core pulling mechanism 20 and the sensing element 70 abuts against a sensing port of the limit sensor 50, the driving element 30 stops moving.
The utility model provides an injection mold (not shown in the figure), including the aforesaid slider structure 100 of loosing core, injection mold still includes front mould 200, back mould (not shown in the figure), front mould 200 is provided with die cavity A, set up the coring hole that the slope set up in front mould 200, the coring hole runs through front mould 200, and with die cavity A intercommunication, the mechanism 20 of loosing core slide set up in it is downthehole to loose core, back mould set up in on the front mould 200, in order to seal die cavity A. The specific structure of the slider core pulling structure 100 refers to the above embodiments, and since the injection mold adopts all the technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and are not repeated here.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a slider structure of loosing core, its characterized in that is applied to on the front mould, the front mould is provided with the die cavity, set up the coring hole that the slope set up in the front mould, the coring hole runs through the front mould, and with the die cavity intercommunication, the slider structure of loosing core includes:
the sliding block body is arranged on the surface of the front die, which is far away from the die cavity, in a sliding manner, an inclined surface is arranged on the sliding block body, and a sliding groove is formed in the inclined surface;
the core pulling mechanism is arranged in the core pulling hole in a sliding mode, one end of the core pulling mechanism extends to the cavity wall of the mold cavity, and the other end of the core pulling mechanism is arranged in the sliding groove in a sliding mode;
the driving assembly is connected with the sliding block body so as to drive the sliding block body to slide on the surface of the front die;
the surface of the front die, which is far away from the die cavity, is a horizontal plane, and when the driving assembly drives the sliding block body to slide on the surface of the front die, the core pulling mechanism slides along the length direction of the sliding groove, so that the core pulling mechanism is pulled away from or stretches into the core pulling hole.
2. The slider core pulling structure according to claim 1, wherein the sliding groove is a T-shaped groove.
3. The slider core pulling structure according to claim 1, wherein a distance between the inclined surface and a surface of the front mold away from the mold cavity is gradually increased in a direction from the driving assembly to the slider body.
4. The slider core pulling structure of claim 1, wherein the core pulling mechanism comprises:
a slider core;
the front mould insert is arranged in the core-pulling hole in a sliding mode, the front mould insert is located on the cavity wall of the die cavity, the front mould insert is connected with one end, far away from the sliding block core, of the sliding block body, and one end, far away from the sliding block core, of the front mould insert is connected with the sliding block body.
5. The slider core pulling structure according to claim 4, wherein the number of the slider cores is three, the number of the sliding grooves is three, the three slider cores are slidably disposed in the three sliding grooves respectively towards one ends of the slider body, and the ends of the three slider cores away from the slider body are connected to the front mold insert.
6. The slider core pulling structure of claim 4, further comprising:
the pressing piece is arranged on the surface, far away from the die cavity, of the front die, a limiting groove is formed in one end, facing the die cavity, of the pressing piece, and the sliding block body is arranged in the limiting groove in a sliding mode.
7. The slider core pulling structure according to claim 6, wherein a guide groove is formed on a groove wall of the limiting groove, a guide protrusion is convexly formed on a side wall of the slider body, and the guide protrusion is slidably disposed in the guide groove.
8. The slider core pulling structure of claim 4, wherein the core pulling mechanism further comprises:
the guide sleeve is arranged on the sliding block mold core in a sliding mode, and the peripheral wall of the guide sleeve is abutted to the hole wall of the core pulling hole.
9. The slider core pulling structure of claim 1, further comprising:
the limiting inductor is arranged on the front die and is electrically connected with the driving assembly;
one end of the connecting rod is connected with the sliding block body, and the other end of the connecting rod extends to the limiting inductor;
the sensing piece is arranged at one end, far away from the sliding block body, of the connecting rod;
when the driving assembly drives the sliding block body to be far away from the core pulling mechanism and the sensing piece is abutted to the sensing port of the limiting sensor, the driving assembly stops moving.
10. An injection mold, characterized in that, includes the slider structure of loosing core of any claim 1-9, the injection mold still includes the front mould back mould, the front mould is provided with the die cavity, set up the core pulling hole that sets up in the slope in the front mould, the core pulling hole runs through the front mould, and with the die cavity intercommunication, the mechanism of loosing core slide set up in the core pulling hole, the back mould set up in on the front mould, in order to seal the die cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021791505.1U CN213353387U (en) | 2020-08-24 | 2020-08-24 | Slider core-pulling structure and injection mold |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021791505.1U CN213353387U (en) | 2020-08-24 | 2020-08-24 | Slider core-pulling structure and injection mold |
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| CN213353387U true CN213353387U (en) | 2021-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276364A (en) * | 2021-06-11 | 2021-08-20 | 宁波明飞汽车零部件有限公司 | Automobile center console decorative plate forming die |
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2020
- 2020-08-24 CN CN202021791505.1U patent/CN213353387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276364A (en) * | 2021-06-11 | 2021-08-20 | 宁波明飞汽车零部件有限公司 | Automobile center console decorative plate forming die |
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Effective date of registration: 20220516 Address after: 410300 No. 22, yongyang Road, Liuyang high tech Industrial Development Zone, Changsha City, Hunan Province Patentee after: Changsha yinbaoshan new auto parts Co.,Ltd. Address before: 518000 Jianxing Road, Luorent Community, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SILVER BASIS TECHNOLOGY Co.,Ltd. |
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